MitID Backend Developer (m/f/x)

🏢 Summary: Frontend Developer role focused on developing and maintaining secure digital identity web applications within a Scrum team. The position involves building Angular-based frontend solutions, implementing user-friendly interfaces, and ensuring security, accessibility, and code quality standards. The offer includes hybrid work, development budget, learning opportunities, and comprehensive health and wellness benefits. 🗂️ Requirements: 2+ years of experience developing Angular applications with TypeScript, Bachelor’s degree in computer science, engineering, related field, or equivalent experience, Proficiency in Angular 15+, Proficiency in NodeJS, Proficiency in TypeScript, Proficiency in React, Proficiency in JavaScript, Proficiency in HTML, Proficiency in CSS, Understanding of frontend development best practices, Knowledge of SOLID principles, Familiarity with monorepo frontend architecture patterns, Understanding of REST API principles, Experience with NGXS and OpenAPI, Experience with WCAG accessibility guidelines, Experience writing unit tests, Good communication and teamwork skills, Strong problem-solving skills 📃 Skills: Angular, TypeScript, NodeJS, React, JavaScript, HTML, CSS, NGXS, OpenAPI, REST, WCAG, Playwright, Jira, Confluence, Scrum 🏢 Description: IN GROUPE A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries. Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world. ABOUT THE TEAM & ROLE We are seeking a skilled and dedicated Frontend Developer to join our MitID development team. You will become part of a professional environment where all team members share a strong commitment delivering secure, reliable, and high‑quality digital identity solutions. We work in a collaborative Scrum setup with architects, developers, business analysts, testers, a Product Owner, and other key stakeholders. Together, we maintain, design and deliver enhancements and updates to the MitID platform. MAIN RESPONSABILITIES Maintaining and developing new functionality in the MitID web app. Writing clean, maintainable, and efficient code that is easy to read and modify by other team members. Follow security best practices to ensure that the user's data is protected from malicious attacks. Participate in code reviews to ensure that the code meets the team's coding standards and is consistent with the project's goals. Designing and implementing user-friendly interfaces that are intuitive and easy to use. Participation in Scrum team meetings including daily stand up, sprint kick-off and retrospective REQUIREMENTS 2+ years of experience developing complex Angular applications with Typescript. Bachelor’s degree in computer science, engineering, or any other related field, or any equivalent training, or work experience. Proficiency in Angular (version 15+), NodeJS, TypeScript, React, JavaScript, HTML and CSS. Strong understanding of frontend development concepts and best practices. Aware of SOLID principles, with a focus on simplicity and code readability. Familiarity with monorepo and best practice frontend architecture patterns. Good understanding of REST API principles and usage with NGXS and OpenAPI. Experience with WCAG accessibility guidelines. Strong unit test design awareness and experience writing unit tests. Team player with good communication, reasoning and compromising skills. Strong problem-solving skills and ability to work collaboratively with other developers, UX designers, and other stakeholders. The following competencies will be considered an advantage: Knowledge of frontend security features such as authentication mechanisms, secure communication protocols, and data encryption. Experience with agile development methodologies and tools such as Jira and Confluence. Experience with Playwright as frontend UI testing framework. BENEFITS OF JOINING IN GROUPE ✨ What you’ll get (beyond the job itself) At IN Groupe, we build secure identities and digital trust for millions of people worldwide - but we also make sure our teams feel secure, supported, and inspired every day. Here’s what that means in practice: Most important: employment based on an employment contract 🧑‍⚕️ Your health & security come first Private medical care (Medicover) - base package fully covered for you, with the option to include your loved ones Group life insurance - base package fully financed by the company Access to a benefits cafeteria - flexible and not limited to sports or culture 🧠 Grow your skills. Shape your path. Annual development budget (2000 PLN) - use it for conferences, books, or training that actually supports your work Access to IN Academy - our global learning platform co-created by employees across the group English classes during working hours 🏋️ Stay active, your way Multisport card (60% co-financed) with multiple package options Possibility to include family members - kids, students, and seniors 🏢 Work comfortably - in a way that suits you Hybrid model - 2 days from the office Free parking Office stocked with coffee, fresh fruit, and snacks 🤝 A team you actually want to spend time with We’re a growing, 40-person team in Poland - small enough to know each other, big enough to make an impact. Regular team integrations and meetups Monthly “Coffee Talks” - project updates, knowledge sharing, and good food Internal tech & topic meetups with invited speakers (you help choose the topics) 🎲 More than just work Ping-pong tournaments, board game sessions, and informal hangouts Community team - join it and have a real influence on company initiatives, events, and workplace experience 🌍 Work that matters You’ll be part of a global organization with a unique legacy (Imprimerie Nationale) and a clear mission: to protect identities and secure digital interactions for millions of people worldwide. 💡 Why it’s different here We combine the stability and scale of an international group with the atmosphere of a close-knit team in Poland. You’re not just joining a company - you’re helping build how trust works in the digital world.

🏢 Summary: The role focuses on end-to-end testing of secure digital identity solutions, covering both frontend and backend components with strong emphasis on backend/API test automation. You will design, execute, and maintain automated and manual tests, validate authentication and cryptographic flows, and ensure quality across CI/CD pipelines. The position operates within a Scrum team delivering high-security identity platform enhancements. 🗂️ Requirements: Technical education in software testing or software development, Minimum 5 years of software testing experience, Strong knowledge of test processes and structured test design techniques, Experience with risk-based testing, ISTQB Foundation certification, Experience with test automation tools (Cucumber, Selenium/Appium, ReadyAPI), Experience testing backend systems and APIs across multiple environments, Experience with log analysis and system monitoring during tests, Experience working in Agile/Scrum environment, Experience with Jira and test management tools 📃 Skills: Cucumber, Selenium, Appium, ReadyAPI, REST, JSON, HTTP, CI/CD, Jira, Scrum, ISTQB 🏢 Description: ABOUT COMPANY A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries. Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world. ABOUT THE TEAM You’ll join a team of experienced and dedicated colleagues who share a strong commitment to delivering secure, stable, and high-quality digital identity solutions. At MitID, reliability and IT security are at the core of everything we build, ranging from applied cryptography to user-facing authentication flows. The team works in a collaborative Scrum setup with architects, developers, business analysts, testers, a Product Owner, and other key stakeholders. Together, we design and deliver enhancements and updates to the MitID platform. ABOUT THE ROLE In this role, you will help shape new features by analyzing business logic changes and contributing to solution design. You will own the end‑to‑end testing process across frontend and backend, from test basis identification to structured execution and monitoring. A key focus is maintaining and expanding our backend‑focused test automation setup, including API and functional tests. You will design and document test cases, validate integrations, authentication flows, and cryptographic operations, and perform both exploratory and structured testing. Additionally, you will support deployments and ensure high‑quality delivery throughout our CI/CD pipeline. MAIN RESPONSABILITIES Take part in analysis of changes to business logic and contribute to the design of new features Take responsibility for the end-to-end test process for both frontend and backend from identifying the test basis, over test case design, to setting up the test set structure and monitoring the execution progress Maintaining, improving, and expanding our test automation setup , with a focus on backend/API automation. Designing and documenting test cases for both frontend as well as backend logic, integrations, and service‑to‑service communication. Writing and maintaining automated tests , including functional tests in Cucumber and REST/API tests in ReadyAPI. Testing backend components across multiple environments, ensuring data integrity and reliable service behavior. Validating protocol flows , authentication logic, cryptographic operations, and backend configuration changes. Execute both exploratory and structured tests Analysing test results, identifying root causes , and contributing to risk assessments of discovered defects. Participating in deployments and release activities , ensuring quality throughout the CI/CD pipeline. REQUIREMENTS A technical education within software testing or software development Min. 5 years of testing experience, and hands on knowledge about test processes, test design techniques and risk-based testing Strong understanding of test processes, structured test design, and QA methodologies ISTQB Foundation certification as a minimum Experience with test automation tools such as Cucumber, Selenium/Appium (if used for API test orchestration), and ReadyAPI Experience working with multiple environments, backend endpoints, log analysis, and system monitoring during tests Experience with agile development and Scrum Experience with Jira and test management tools Knowledge of REST, JSON, HTTP methods, authentication flows, or cryptographic concepts is a plus BENEFITS OF JOINING IN GROUPE ✨ What you’ll get (beyond the job itself) At IN Groupe, we build secure identities and digital trust for millions of people worldwide - but we also make sure our teams feel secure, supported, and inspired every day. Here’s what that means in practice: Most important: employment based on an employment contract 🧑‍⚕️ Your health & security come first Private medical care (Medicover) - base package fully covered for you, with the option to include your loved ones Group life insurance - base package fully financed by the company Access to a benefits cafeteria - flexible and not limited to sports or culture 🧠 Grow your skills. Shape your path. Annual development budget (2000 PLN) - use it for conferences, books, or training that actually supports your work Access to IN Academy - our global learning platform co-created by employees across the group English classes during working hours 🏋️ Stay active, your way Multisport card (60% co-financed) with multiple package options Possibility to include family members - kids, students, and seniors 🏢 Work comfortably - in a way that suits you Hybrid model - 2 days from the office Free parking Office stocked with coffee, fresh fruit, and snacks 🤝 A team you actually want to spend time with We’re a growing, 40-person team in Poland - small enough to know each other, big enough to make an impact. Regular team integrations and meetups Monthly “Coffee Talks” - project updates, knowledge sharing, and good food Internal tech & topic meetups with invited speakers (you help choose the topics) 🎲 More than just work Ping-pong tournaments, board game sessions, and informal hangouts Community team - join it and have a real influence on company initiatives, events, and workplace experience 🌍 Work that matters You’ll be part of a global organization with a unique legacy (Imprimerie Nationale) and a clear mission: to protect identities and secure digital interactions for millions of people worldwide. 💡 Why it’s different here We combine the stability and scale of an international group with the atmosphere of a close-knit team in Poland. You’re not just joining a company - you’re helping build how trust works in the digital world.

🏢 Summary: Backend Java Developer role focused on building secure, scalable backend services for national digital identity infrastructure. The position involves Java-based backend development, applied cryptography, REST APIs, CI/CD, and collaboration in a Scrum environment to deliver stable and secure authentication solutions. The offer includes hybrid work, development budget, training opportunities, and comprehensive employee benefits. 🗂️ Requirements: Experience developing enterprise IT systems, Strong experience with Java, Strong experience with SpringBoot, Strong experience with Hibernate, Experience with OpenShift, Understanding of cryptographic concepts, Experience with security-related systems, Experience with relational databases, Experience with Oracle, Experience with Jenkins, Experience with Jira, Experience with Confluence, Experience with JUnit, Understanding of REST APIs, Knowledge of backend architecture, Familiarity with DevOps practices, English proficiency 📃 Skills: Java, SpringBoot, Hibernate, OpenShift, Oracle, Jenkins, Jira, Confluence, JUnit, REST, DevOps, Angular, Scrum, CI/CD, Cryptography 🏢 Description: IN GROUPE A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries. Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world. ABOUT THE TEAM You will join a team of experienced specialists dedicated to delivering secure, stable, and high‑quality digital identity solutions. Reliability and IT security are at the core of everything we build — from applied cryptography to user‑facing authentication flows. The team operates in a collaborative Scrum setup, working closely with architects, developers, business analysts, testers, a Product Owner, and other key stakeholders. Together, we design and deliver enhancements and updates to the MitID platform. ABOUT THE ROLE As a Backend Java Developer , you will be part of a highly professional environment focused on building secure, reliable, and scalable backend services for national digital identity infrastructure. Your work will revolve around Java‑based backend development , applied cryptography, high availability, and continuous improvement of mission‑critical systems. You will design, develop, and maintain backend components, ensure code quality, troubleshoot complex issues, and contribute to the evolution of our platform. You will also collaborate closely with other team members to ensure seamless integration, stable deployments, and high‑quality delivery across environments. MAIN RESPONSABILITIES Backend software development — designing and implementing high‑quality backend components in Java. Writing clean and maintainable code based on technical and functional specifications. Technical documentation — preparing and maintaining documentation for knowledge sharing and reporting. Defect analysis — identifying, analyzing, and resolving software issues. Troubleshooting, debugging, and enhancing existing backend services. Verifying and deploying programs and systems across relevant environments. Contributing to continuous improvement initiatives within the development team. Collaborating with architects, testers, and other developers to ensure secure and stable delivery. REQUIREMENTS Experience in developing enterprise IT systems and complex backend solutions. Strong hands‑on experience with Java , Spring Boot , Hibernate , and containerized environments such as OpenShift . Understanding of cryptographic concepts and experience with security‑related systems. Experience with relational databases (preferably Oracle ). Practical experience with CI/CD tools such as Jenkins. Experience using Jira , Confluence , or similar platforms. Experience with automated testing tools such as JUnit. Strong understanding of REST APIs and backend architectural principles. Familiarity with DevOps practices and related toolchains. Proficiency in written and spoken English. Nice to Have Experience with frontend development (especially Angular ). Knowledge of Agile/Scrum methodologies. Motivation and ability to learn new technologies. Strong communication skills and the ability to collaborate effectively in a team. BENEFITS OF JOINING IN GROUPE ✨ What you’ll get (beyond the job itself) At IN Groupe, we build secure identities and digital trust for millions of people worldwide - but we also make sure our teams feel secure, supported, and inspired every day. Here’s what that means in practice: Most important: employment based on an employment contract 🧑‍⚕️ Your health & security come first Private medical care (Medicover) - base package fully covered for you, with the option to include your loved ones Group life insurance - base package fully financed by the company Access to a benefits cafeteria - flexible and not limited to sports or culture 🧠 Grow your skills. Shape your path. Annual development budget (2000 PLN) - use it for conferences, books, or training that actually supports your work Access to IN Academy - our global learning platform co-created by employees across the group English classes during working hours 🏋️ Stay active, your way Multisport card (60% co-financed) with multiple package options Possibility to include family members - kids, students, and seniors 🏢 Work comfortably - in a way that suits you Hybrid model - 2 days from the office Free parking Office stocked with coffee, fresh fruit, and snacks 🤝 A team you actually want to spend time with We’re a growing, 40-person team in Poland - small enough to know each other, big enough to make an impact. Regular team integrations and meetups Monthly “Coffee Talks” - project updates, knowledge sharing, and good food Internal tech & topic meetups with invited speakers (you help choose the topics) 🎲 More than just work Ping-pong tournaments, board game sessions, and informal hangouts Community team - join it and have a real influence on company initiatives, events, and workplace experience 🌍 Work that matters You’ll be part of a global organization with a unique legacy (Imprimerie Nationale) and a clear mission: to protect identities and secure digital interactions for millions of people worldwide. 💡 Why it’s different here We combine the stability and scale of an international group with the atmosphere of a close-knit team in Poland. You’re not just joining a company - you’re helping build how trust works in the digital world.

🏢 Summary: Backend Java Developer role focused on building secure, reliable, and scalable backend services for a national digital identity platform. The position involves Java-based development, applied cryptography, high availability, and continuous improvement of mission-critical systems. You will design, maintain, and enhance backend components within a Scrum team ensuring secure and stable deployments. 🗂️ Requirements: Experience developing enterprise IT systems and complex backend solutions, Strong hands-on experience with Java, Strong hands-on experience with Spring Boot, Strong hands-on experience with Hibernate, Experience with containerized environments, Understanding of cryptographic concepts, Experience with security-related systems, Experience with relational databases, Experience with CI/CD tools, Experience with automated testing, Strong knowledge of REST APIs, Understanding of backend architecture principles, Familiarity with DevOps practices, Proficiency in English 📃 Skills: Java, Spring, Hibernate, OpenShift, Oracle, Jenkins, JUnit, REST, CI/CD, DevOps, Jira, Confluence, Cryptography, SQL 🏢 Description: IN GROUPE A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries. Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world. ABOUT THE TEAM You will join a team of experienced specialists dedicated to delivering secure, stable, and high‑quality digital identity solutions. Reliability and IT security are at the core of everything we build — from applied cryptography to user‑facing authentication flows. The team operates in a collaborative Scrum setup, working closely with architects, developers, business analysts, testers, a Product Owner, and other key stakeholders. Together, we design and deliver enhancements and updates to the MitID platform. ABOUT THE ROLE As a Backend Java Developer , you will be part of a highly professional environment focused on building secure, reliable, and scalable backend services for national digital identity infrastructure. Your work will revolve around Java‑based backend development , applied cryptography, high availability, and continuous improvement of mission‑critical systems. You will design, develop, and maintain backend components, ensure code quality, troubleshoot complex issues, and contribute to the evolution of our platform. You will also collaborate closely with other team members to ensure seamless integration, stable deployments, and high‑quality delivery across environments. MAIN RESPONSABILITIES Backend software development — designing and implementing high‑quality backend components in Java. Writing clean and maintainable code based on technical and functional specifications. Technical documentation — preparing and maintaining documentation for knowledge sharing and reporting. Defect analysis — identifying, analyzing, and resolving software issues. Troubleshooting, debugging, and enhancing existing backend services. Verifying and deploying programs and systems across relevant environments. Contributing to continuous improvement initiatives within the development team. Collaborating with architects, testers, and other developers to ensure secure and stable delivery. REQUIREMENTS Experience in developing enterprise IT systems and complex backend solutions. Strong hands‑on experience with Java , Spring Boot , Hibernate , and containerized environments such as OpenShift . Understanding of cryptographic concepts and experience with security‑related systems. Experience with relational databases (preferably Oracle ). Practical experience with CI/CD tools such as Jenkins. Experience using Jira , Confluence , or similar platforms. Experience with automated testing tools such as JUnit. Strong understanding of REST APIs and backend architectural principles. Familiarity with DevOps practices and related toolchains. Proficiency in written and spoken English. Nice to Have Experience with frontend development (especially Angular ). Knowledge of Agile/Scrum methodologies. Motivation and ability to learn new technologies. Strong communication skills and the ability to collaborate effectively in a team. BENEFITS OF JOINING IN GROUPE ✨ What you’ll get (beyond the job itself) At IN Groupe, we build secure identities and digital trust for millions of people worldwide - but we also make sure our teams feel secure, supported, and inspired every day. Here’s what that means in practice: Most important: employment based on an employment contract 🧑‍⚕️ Your health & security come first Private medical care (Medicover) - base package fully covered for you, with the option to include your loved ones Group life insurance - base package fully financed by the company Access to a benefits cafeteria - flexible and not limited to sports or culture 🧠 Grow your skills. Shape your path. Annual development budget (2000 PLN) - use it for conferences, books, or training that actually supports your work Access to IN Academy - our global learning platform co-created by employees across the group English classes during working hours 🏋️ Stay active, your way Multisport card (60% co-financed) with multiple package options Possibility to include family members - kids, students, and seniors 🏢 Work comfortably - in a way that suits you Hybrid model - 2 days from the office Free parking Office stocked with coffee, fresh fruit, and snacks 🤝 A team you actually want to spend time with We’re a growing, 40-person team in Poland - small enough to know each other, big enough to make an impact. Regular team integrations and meetups Monthly “Coffee Talks” - project updates, knowledge sharing, and good food Internal tech & topic meetups with invited speakers (you help choose the topics) 🎲 More than just work Ping-pong tournaments, board game sessions, and informal hangouts Community team - join it and have a real influence on company initiatives, events, and workplace experience 🌍 Work that matters You’ll be part of a global organization with a unique legacy (Imprimerie Nationale) and a clear mission: to protect identities and secure digital interactions for millions of people worldwide. 💡 Why it’s different here We combine the stability and scale of an international group with the atmosphere of a close-knit team in Poland. You’re not just joining a company - you’re helping build how trust works in the digital world.

🏢 Summary: The role is for an experienced Software Tester responsible for end-to-end testing of secure digital identity solutions, combining strong manual testing with backend-focused test automation. The position covers frontend and backend validation, API and integration testing, and quality assurance within a CI/CD environment in an Agile setup. 🗂️ Requirements: Technical education in software testing or software development, Minimum 5 years of software testing experience, Strong manual testing skills, Solid knowledge of test processes and QA methodologies, ISTQB Foundation certification, Experience with Cucumber and ReadyAPI, Experience in API and UI testing, Experience working with multiple environments and backend endpoints, Ability to analyze logs and perform system monitoring, Experience working in Agile/Scrum, Experience with Jira and test management tools 📃 Skills: Cucumber, ReadyAPI, Playwright, REST, JSON, HTTP, API, UI, CI/CD, Jira, Scrum, ISTQB, Cryptography, Authentication 🏢 Description: ABOUT IN GROUPE A specialist in identity, secure transactions, and digital services, IN Groupe is the global leader in secure identity and trust services. Every day, our 4,000 employees across 40 countries work to ensure that everyone has access to a reliable and secure identity, both in the physical and digital worlds. With our solutions and our international network of 10 R&D centers, we support governments and businesses in more than 130 countries. Joining IN Groupe means helping to shape the future of the identity and secure transaction market. Become part of our international teams — driven by innovation and proud to design solutions that make life easier and protect personal data for millions of people around the world. ABOUT THE TEAM You will join a team of experienced specialists dedicated to delivering secure, stable, and high‑quality digital identity solutions. Reliability and IT security are at the heart of everything we build — from applied cryptography to user‑facing authentication flows. The team works in a collaborative Scrum setup, bringing together architects, developers, business analysts, testers, a Product Owner, and other key stakeholders. Together, we design and deliver enhancements and updates to the MitID platform. ABOUT THE ROLE As a Software Tester, you will play a key role in shaping new features by analyzing business logic changes and contributing to solution design. This position requires strong manual testing skills — approximately 50% of your work will be manual , and we are looking for someone who genuinely enjoys and values this part of the craft. You will own the end‑to‑end testing process across both frontend and backend, from identifying the test basis to designing test cases, executing tests, and monitoring progress. A significant part of the role involves maintaining and expanding our backend‑focused test automation , especially around API and functional testing — but we are not looking for automation‑only profiles. You will test integrations, authentication flows, cryptographic operations, and backend components across multiple environments. You will perform both exploratory and structured testing, support deployments, and ensure high‑quality delivery throughout our CI/CD pipeline. MAIN RESPONSABILITIES End‑to‑end test analysis — analyzing business logic changes and contributing to feature design. Owning the full test process for both frontend and backend, from test basis identification to execution monitoring. Manual testing — performing structured and exploratory tests across UI and API layers. Test automation maintenance with a focus on backend/API automation. Designing and documenting test cases for frontend, backend logic, integrations, and service‑to‑service communication. Writing and maintaining automated tests (Cucumber, ReadyAPI; basic Playwright knowledge is a plus). Testing backend components across multiple environments, ensuring data integrity and stable service behavior. Validating protocol flows, authentication logic, cryptographic operations, and backend configuration changes. Root cause analysis and contributing to risk assessments of discovered defects. Participating in deployments and release activities within the CI/CD pipeline. REQUIREMENTS Technical education in software testing or software development. Minimum 5 years of testing experience , including strong manual testing skills. Solid understanding of test processes, structured test design, and QA methodologies . ISTQB Foundation certification (minimum). Experience with Cucumber , ReadyAPI , and optionally Playwright . Experience with multiple environments , backend endpoints, log analysis, and system monitoring. Experience with API and UI testing . Familiarity with REST, JSON, HTTP methods, authentication flows , or basic cryptographic concepts is an advantage. Experience working in Agile/Scrum and with tools such as Jira and test management systems. BENEFITS OF JOINING IN GROUPE ✨ What you’ll get (beyond the job itself) At IN Groupe, we build secure identities and digital trust for millions of people worldwide - but we also make sure our teams feel secure, supported, and inspired every day. Here’s what that means in practice: Most important: employment based on an employment contract 🧑‍⚕️ Your health & security come first Private medical care (Medicover) - base package fully covered for you, with the option to include your loved ones Group life insurance - base package fully financed by the company Access to a benefits cafeteria - flexible and not limited to sports or culture 🧠 Grow your skills. Shape your path. Annual development budget (2000 PLN) - use it for conferences, books, or training that actually supports your work Access to IN Academy - our global learning platform co-created by employees across the group English classes during working hours 🏋️ Stay active, your way Multisport card (60% co-financed) with multiple package options Possibility to include family members - kids, students, and seniors 🏢 Work comfortably - in a way that suits you Hybrid model - 2 days from the office Free parking Office stocked with coffee, fresh fruit, and snacks 🤝 A team you actually want to spend time with We’re a growing, 40-person team in Poland - small enough to know each other, big enough to make an impact. Regular team integrations and meetups Monthly “Coffee Talks” - project updates, knowledge sharing, and good food Internal tech & topic meetups with invited speakers (you help choose the topics) 🎲 More than just work Ping-pong tournaments, board game sessions, and informal hangouts Community team - join it and have a real influence on company initiatives, events, and workplace experience 🌍 Work that matters You’ll be part of a global organization with a unique legacy (Imprimerie Nationale) and a clear mission: to protect identities and secure digital interactions for millions of people worldwide. 💡 Why it’s different here We combine the stability and scale of an international group with the atmosphere of a close-knit team in Poland. You’re not just joining a company - you’re helping build how trust works in the digital world.

🏢 Summary: Mid-level Backend Engineer role focused on building a cutting-edge FinTech platform for interbank intraday lending using Scala in an agile startup environment. The position involves delivering scalable, testable solutions through functional programming and TDD practices. The engineer will collaborate closely with the product team to incrementally develop and enhance the platform. 🗂️ Requirements: 3+ years of software development experience, Proficiency in Scala or similar language (e.g., Haskell), Understanding of reactive programming paradigms, Understanding of functional programming paradigms, Experience working in Agile environment, Experience working within Scrum framework, Ability to write testable, deployable and scalable code 📃 Skills: Scala, Haskell, Reactive, Functional, TDD, Scrum, Agile, Blockchain, DLT 🏢 Description: Are you a passionate backend engineer ready to take your skills to the next level? Join our Product Team as we build a cutting-edge FinTech platform for interbank intraday lending. This is your chance to be part of a dynamic, VC-backed startup and play a key role in shaping both our product and our company. Why Join Us? Fast-Paced Startup : Collaborate with a smart, agile team led by our hands-on technical co-founder. Your contributions will have a direct impact on our growth. Remote-First with a Weekly Anchor: Work remotely four days a week, and meet up with the team once a week at our Wrocław office to sync, collaborate in person, and keep the momentum going. Ownership : Receive equity options and be a true stakeholder in our success. Flexibility : Take advantage of a holiday schedule that isn’t tied to any specific country. Inspiring Team Off-Sites : Twice a year, we bring the entire team together for week-long off-sites in exciting locations (think Budapest, Bordeaux, Malta, and beyond). Modern AI-Augmented Workflow: We use Claude Code daily and invest in tooling that lets our engineers focus on the interesting problems. What You’ll Do Collaborate with our team to deliver incremental value through agile, systematic development cycles. Write clean, reusable, and efficient functional code using Scala , following TDD and engaging in pair-programming as needed. Ensure our solutions are testable, deployable , and scalable . Who You Are We’re looking for a proactive, mid-level backend engineer with: 3+ years of software development experience . Proficiency in Scala , or similar languages (e.g., Haskell ). A solid understanding of reactive and/or functional programming paradigms . Knowledge of Agile principles and experience working within the Scrum framework . (Nice-to-have) Experience using AI coding assistants effectively in a professional setting — knowing how to prompt well, scope tasks, and review AI-generated code critically. (Nice-to-have) An interest in or experience with blockchain/DLT technologies . (Bonus) A degree in Computer Science or a related field. About Us We are a forward-thinking FinTech startup backed by leading venture capital. Our mission is to revolutionize interbank lending through innovative technology. Agile principles guide our work, and we are committed to fostering a supportive, growth-oriented culture. If you’re excited about solving complex challenges, making an impact, and working in an environment that values both technical excellence and collaboration, we want to hear from you! Ready to Join? Apply now and start shaping the future of finance with us.

🏢 Summary: Senior Backend Software Engineer role in a fully remote cybersecurity product team focused on secure software supply chain solutions and AI-assisted development workflows. The position involves designing and delivering scalable backend systems, contributing to Go-based services, and working with cloud-native and containerized environments. Long-term B2B cooperation with high autonomy, enterprise-scale products, and international collaboration. 🗂️ Requirements: 5+ years of commercial software engineering experience, Backend development experience in a compiled programming language, Software architecture and distributed systems knowledge, Experience designing complete backend applications, Linux knowledge, Experience with AWS or GCP, Experience with Kubernetes and containerized environments, English level C1+, Ability to work independently in a remote international team 📃 Skills: Go, Rust, Java, C#, C++, Kotlin, Linux, AWS, GCP, Kubernetes, Docker, LLM 🏢 Description: Location: Poland (100% Remote) Employment: B2B (daily rate), up to 23 000 PLN net per month Language: English (C1+) About the Company Our client is a global cybersecurity company specializing in Software Supply Chain Security. They develop products that help organizations secure the software development lifecycle, manage Software Bills of Materials (SBOM), monitor security exposure, and leverage immutable databases for trusted data storage. Their solutions are used by some of the world's largest financial institutions, government organizations, defense agencies, insurance companies, and pharmaceutical enterprises. The company is also the creator of immudb, a well-known open-source immutable database. The engineering team is fully remote and consists of experienced software engineers located across Europe, with a growing presence in Poland. About the Role We are looking for an experienced Senior Backend Software Engineer who enjoys building complete, production-grade systems rather than working on isolated features. You will join a highly autonomous product engineering team responsible for developing modern cybersecurity products. The company is heavily investing in AI-powered software development and Agentic AI, using LLMs as an integral part of the engineering workflow while maintaining high standards for software quality, architecture, and security. This role is ideal for engineers who combine strong backend expertise with system design skills and enjoy taking ownership of medium-complexity applications from architecture to delivery. Your Responsibilities Design and develop scalable backend services using Go. Build secure, reliable software used by enterprise and government customers. Design application architecture and independently deliver end-to-end solutions. Work closely with a distributed engineering team on product development. Contribute to cloud-native, containerized environments. Use AI-assisted development tools and Agentic AI workflows to improve productivity while maintaining engineering quality. Participate in code reviews, technical discussions, and architectural decisions. Must-have Qualifications 5+ years of commercial software engineering experience. Experience with Go (Golang) , even if it has not been your primary programming language. Strong experience with at least one backend compiled programming language such as Java, Rust, C#, C++, Kotlin, or similar. Solid understanding of software architecture and distributed systems. Experience designing and building complete backend applications. Strong Linux knowledge. Experience working with cloud platforms (AWS and/or GCP). Experience with Kubernetes and containerized environments. Excellent communication skills in English (C1+). Ability to work independently in a fully remote, international team. Nice to Have Strong commercial experience with Go. Experience with Rust. Interest in cybersecurity or developer tooling. Experience working with AI-assisted development tools or LLM-based workflows. The Offer 100% remote work. Long-term B2B cooperation. Competitive daily rate (paid monthly, always on time). Performance bonus after the first year. Company offsites and team meetups 2–4 times per year (travel costs covered). No regular on-call rotations (only occasional weekend deployments 2–3 times per year).

🏢 Summary: Backend Software Engineer role focused on building and improving security-sensitive backend services and APIs for a global password and credential management product. The position involves designing robust business logic, access control systems, and integrations while ensuring high standards of security, reliability, and maintainability. Engineers contribute across the full development lifecycle in a collaborative, open-source-driven environment. 🗂️ Requirements: Production experience building backend applications with PHP, Strong knowledge of a modern PHP framework (CakePHP, Symfony or Laravel), Solid backend engineering fundamentals, Ability to design simple, robust solutions for complex problems, Experience with testing and maintaining high code quality, Ability to work on business logic, access control and security-sensitive systems, Collaborative working style with clear communication skills, Interest in security and privacy-focused software development 📃 Skills: PHP, CakePHP, Symfony, Laravel, SQL, PHPUnit, OpenAPI, Git, Docker, Linux, macOS, LDAP, OAuth, JWT, SCIM, WebAuthn, ActiveDirectory, JavaScript, Bash, Python, Go, Rust 🏢 Description: THE CLIENT Our client is a fast-growing cybersecurity product company rethinking how teams manage and share sensitive access. Their platform is trusted by 40,000+ organisations across 50+ countries - and growing fast. This is an engineering-led business: modern architecture, real technical challenges, and a strong focus on open source, privacy, and security. They’re building a fully remote, collaborative team and looking for engineers who take ownership and enjoy solving meaningful problems. If you want to work on a product with real impact at global scale - this is worth a conversation. THE ROLE: Our client is looking for a software engineer to join its Backend team and help build the systems behind its password and credential management products across Community, Enterprise and Cloud editions. This is a backend engineering role in a security-sensitive product environment. The API sits at the centre of how our client handles business logic, access rights, integrations, data integrity and long-term product reliability. The role is well-suited to an engineer who enjoys solving complex product problems, building sustainable systems, and balancing security, simplicity and maintainability. You would contribute across the full development lifecycle: understanding the problem, shaping the technical approach, implementing features, improving the codebase over time, and helping maintain a high standard of quality. This role will suit someone who likes ownership, thinks clearly about impact and trade-offs, and is motivated by building trustworthy software in an open-source environment. RESPONSIBILITIES: Build and improve backend services and API workflows across product suite Translate functional and product requirements into clear, reliable technical solutions Work on business logic, access control, integrations and security-sensitive application flows Help maintain and improve code quality, test coverage, performance and backward compatibility Contribute to technical design discussions and identify opportunities to simplify or strengthen the system over time Collaborate with product, support, security and engineering peers to refine and deliver solutions Contribute to documentation and knowledge sharing across the team CORE REQUIREMENTS: Experience building backend applications in production with PHP Strong backend engineering fundamentals with a modern framework such as CakePHP, Symfony or Laravel Ability to break down complex problems and design simple, robust solutions Good testing habits and attention to quality Comfort working across product, engineering and implementation questions - not just executing tickets Strong collaboration skills, openness to feedback, and a low-ego working style Interest in security, privacy, or building trustworthy software systems NICE TO HAVE: Experience working on security-sensitive applications or authentication / access-control problems Exposure to cryptography-related systems or secure integrations Experience with OpenAPI or well-structured public-facing APIs Experience maintaining long-lived software products Experience with directory integrations or identity systems such as LDAP, Active Directory, OAuth, JWT, SCIM or WebAuthn Experience contributing to open-source projects Familiarity with another language such as JavaScript, Bash, Python, Go or Rust Tools and technologies you’ll work with: You may work across technologies such as PHP, CakePHP, SQL, PHPUnit, OpenAPI, Git and Docker, in Linux and macOS-based development environments. We do not expect candidates to bring experience with every tool listed here. How you work You take ownership of problems, not just tasks You value simplicity and avoid over-engineering You communicate clearly and raise risks early You work well in an environment where feedback is frequent and constructive

🏢 Summary: Backend Software Engineer role focused on building and maintaining secure backend services and APIs for password and credential management products across Community, Enterprise, and Cloud editions. The position involves designing reliable business logic, access control mechanisms, and integrations in a security-sensitive environment. Engineers contribute across the full development lifecycle with strong emphasis on quality, maintainability, and security. 🗂️ Requirements: Commercial experience building backend applications in PHP, Experience with modern PHP frameworks (CakePHP, Symfony or Laravel), Strong backend engineering fundamentals, Ability to design robust solutions for complex problems, Experience writing tests and maintaining code quality, Understanding of security-sensitive systems or access control, Experience working with APIs and backend integrations, Proficiency with SQL and relational databases, Experience using Git for version control, Ability to work in Linux or macOS development environments 📃 Skills: PHP, CakePHP, Symfony, Laravel, SQL, PHPUnit, OpenAPI, Git, Docker, Linux, macOS, LDAP, OAuth, JWT, SCIM, WebAuthn, ActiveDirectory, JavaScript, Bash, Python, Go, Rust 🏢 Description: THE CLIENT Our client is a fast-growing cybersecurity product company rethinking how teams manage and share sensitive access. Their platform is trusted by 40,000+ organisations across 50+ countries - and growing fast. This is an engineering-led business: modern architecture, real technical challenges, and a strong focus on open source, privacy, and security. They’re building a fully remote, collaborative team and looking for engineers who take ownership and enjoy solving meaningful problems. If you want to work on a product with real impact at global scale - this is worth a conversation. THE ROLE: Our client is looking for a software engineer to join its Backend team and help build the systems behind its password and credential management products across Community, Enterprise and Cloud editions. This is a backend engineering role in a security-sensitive product environment. The API sits at the centre of how our client handles business logic, access rights, integrations, data integrity and long-term product reliability. The role is well-suited to an engineer who enjoys solving complex product problems, building sustainable systems, and balancing security, simplicity and maintainability. You would contribute across the full development lifecycle: understanding the problem, shaping the technical approach, implementing features, improving the codebase over time, and helping maintain a high standard of quality. This role will suit someone who likes ownership, thinks clearly about impact and trade-offs, and is motivated by building trustworthy software in an open-source environment. RESPONSIBILITIES: Build and improve backend services and API workflows across product suite Translate functional and product requirements into clear, reliable technical solutions Work on business logic, access control, integrations and security-sensitive application flows Help maintain and improve code quality, test coverage, performance and backward compatibility Contribute to technical design discussions and identify opportunities to simplify or strengthen the system over time Collaborate with product, support, security and engineering peers to refine and deliver solutions Contribute to documentation and knowledge sharing across the team CORE REQUIREMENTS: Experience building backend applications in production with PHP Strong backend engineering fundamentals with a modern framework such as CakePHP, Symfony or Laravel Ability to break down complex problems and design simple, robust solutions Good testing habits and attention to quality Comfort working across product, engineering and implementation questions - not just executing tickets Strong collaboration skills, openness to feedback, and a low-ego working style Interest in security, privacy, or building trustworthy software systems NICE TO HAVE: Experience working on security-sensitive applications or authentication / access-control problems Exposure to cryptography-related systems or secure integrations Experience with OpenAPI or well-structured public-facing APIs Experience maintaining long-lived software products Experience with directory integrations or identity systems such as LDAP, Active Directory, OAuth, JWT, SCIM or WebAuthn Experience contributing to open-source projects Familiarity with another language such as JavaScript, Bash, Python, Go or Rust Tools and technologies you’ll work with: You may work across technologies such as PHP, CakePHP, SQL, PHPUnit, OpenAPI, Git and Docker, in Linux and macOS-based development environments. We do not expect candidates to bring experience with every tool listed here. How you work You take ownership of problems, not just tasks You value simplicity and avoid over-engineering You communicate clearly and raise risks early You work well in an environment where feedback is frequent and constructive

🏢 Summary: 6-month full-time Graduate Program focused on backend development for modern web and e-commerce platforms. Participants gain hands-on experience building scalable backend applications, APIs, and AI-enabled features using contemporary technologies under senior developer guidance. The program includes practical work with databases, cloud environments, and collaborative product teams. 🗂️ Requirements: Solid understanding of backend development fundamentals, Basic knowledge of object-oriented programming, Hands-on experience or exposure to .NET, Java or Node.js, Understanding of REST API design and server-client communication, Basic knowledge of SQL databases, Basic knowledge of NoSQL databases, Familiarity with Git, Basic understanding of cloud concepts (deployments, environments, scalability), Ability to use AI tools for code generation, refactoring and debugging, Very good English (B2 or higher) 📃 Skills: .NET, Java, Node.js, TypeScript, REST, SQL, NoSQL, Git, Cloud, AI, OOP 🏢 Description: At Columbus , we don’t just implement technology - we give it a human dimension. As a global consultancy, we help organizations create real business value through digital transformation. In Poland, our Digital Commerce team designs and builds modern e-commerce platforms for our Scandinavian customers, providing the technology capabilities and engineering excellence. Location: Wrocław (4 days per week at the office) Start Date: July 2026 (6-month program, full-time) What You'll learn with us This is more than a junior role - it’s a 6-month structured Graduate Program designed to give you real skills and experience in IT. Under the guidance of experienced developers, you will learn how to: Build backend applications for modern web and e-commerce platforms (.NET, Java, Typescript or Node.js) Design and develop REST APIs and handle server-client communication Work with databases (SQL and NoSQL) and understand data modelling basics Build secure, scalable, and performant backend solutions Develop AI-enabled features and use AI tools to improve development workflow Collaborate with frontend developers, QA, product managers, and AI specialists Gain practical knowledge of cloud platforms, deployments, and environments What we’re looking for Solid understanding of backend development fundamentals , regardless of formal education background. Basic knowledge of object-oriented programming concepts and good engineering practices General knowledge of backend technologies , with hands-on experience or learning exposure to at least one of the following ecosystems: .NET, Java or Node.js Openness to working with various backend technologies and readiness to quickly learn and adapt to new languages, frameworks, and tools based on project and team needs. Understanding of API design and server-client communication (REST). Basic knowledge of SQL databases (e.g. relational concepts, queries, transactions) and NoSQL databases (e.g. document or key-value stores, use cases) Familiarity with Git Basic awareness of cloud concepts , such as deployments, environments, configuration, and scalability. Ability to use AI tools to support backend development (e.g. code generation, refactoring, debugging, log analysis). Engineering mindset with strong problem-solving and analytical skills . Very good English communication skills (at least B2 level). Curiosity, passion for technology , and a strong motivation for continuous learning. What's in it for You First and foremost - you’ll build, learn, ask, try, fail, improve - and actually grow with us. Additionally, we offer: Competitive compensation from day one: 8 000 – 10 000 PLN gross/month (Employment Contract). Practical e-commerce experience with AI-driven development. Participation in Columbus global accelerator network: you'll join online training sessions and a 3-day trip to our HQ in Ballerup, Denmark to meet other accelerators from around the world! 2 500 PLN for personal development budget Great benefits package, including the MyBenefit platform (e.g., Multisport, cinema tickets, vouchers), Luxmed, and life insurance. Opportunity to participate in company events, weekly team lunches, and fun team-building activities. We believe great teams are built by people with different perspectives and experiences. If you have a solid foundation and motivation to learn, we encourage you to apply!