Software Engineer

🏢 Summary: Full-time Senior JavaScript Engineer role focused on building and evolving a scalable Design System for a global consumer platform. The position involves owning complex frontend features, creating reusable UI components, and ensuring accessibility and high-quality architecture. You will work cross-functionally with UX and product teams to deliver robust, documented, and versioned frontend solutions. 🗂️ Requirements: 5+ years frontend web development experience, Advanced proficiency in React, Advanced proficiency in TypeScript, Advanced proficiency in CSS, Experience building scalable libraries or modular UI components, Experience with Design Systems, Knowledge of WCAG 2.1/2.2 accessibility standards, Experience with versioned code libraries and release management, Upper-intermediate English proficiency 📃 Skills: JavaScript, React, TypeScript, CSS, Next.js, SASS, Playwright, Node.js, MongoDB, AWS, CI/CD, WCAG, Figma 🏢 Description: Salary range: B2B - 40-43 E/h + VAT 💰 Ciklum is looking for a Senior JavaScript Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior JavaScript Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. You will join a high-impact Design Systems team alongside other Senior Engineers to own high-impact workstreams and cross-functional partnerships. Our goal is to provide a seamless experience for millions of users on a global consumer review platform through robust, documented, and accessible UI patterns. You will operate with high autonomy, turning initial product needs into reusable components that enable product teams to move faster and more consistently. Responsibilities: Feature Ownership: Take end-to-end ownership of complex system features such as Data Visualization suites, theme engines, or complex search/filtering patterns System Architecture: Build for flexibility and reusability, ensuring features solve problems for multiple product teams without creating maintenance bottlenecks UX Collaboration: Work in close partnership with UX designers to bridge the gap between Figma and code, ensuring technical feasibility during design reviews Product Integration: Act as the dedicated technical point of contact for product areas to identify patterns that should be integrated into the core library Accessibility Standards: Own the accessibility (A11y) for your features, ensuring components meet WCAG 2.1/2.2 standards Release Management: Manage the lifecycle of features within a versioned code library, ensuring safe releases and clear migration paths Technical Documentation: Produce clear, comprehensive documentation so that stakeholders, engineers, and AI agents can understand and extend your work Mentorship: Participate in code reviews and RFCs, providing constructive feedback to help other engineers grow while maintaining a high quality bar Requirements: Core Expertise: Advanced, hands-on proficiency with React, TypeScript, and CSS Frontend Experience: 5+ years of professional experience in frontend web development Systems Thinking: Proven experience building scalable libraries, shared infrastructure, or modular UI components Inclusivity: Strong understanding of building accessible interfaces and applying WCAG standards Strategic Execution: Ability to take vague requests, break them down into manageable tracks, and deliver at a steady, predictable pace Communication: Upper-intermediate or higher level of spoken and written English Desirable: Design Systems: Proven experience contributing to a professional Design System or a major open-source project Modern Tooling: Experience with Next.js, CSS Modules, SASS, or Styled Components Testing: Familiarity with end-to-end testing frameworks like Playwright Infrastructure: Understanding of AWS cloud infrastructure or CI/CD practices Backend: Exposure to Node.js, MongoDB Personal skills: Accountability: You take ownership and follow through on your responsibilities Drive: You're proactive and results-oriented, always seeking better ways to solve problems Self-development: You stay curious, seek feedback, and aim for continuous improvement Effective communication: You communicate your ideas clearly and collaborate effectively in a team Mentoring: You're open to helping less experienced team members and sharing knowledge What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Want to learn more about us? Follow us on Instagram , Facebook , LinkedIn . Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

🏢 Summary: Full-time Senior .NET Engineer role focused on modernizing a legacy application through incremental migration and performance-aligned redesign. The position involves analyzing complex stored procedures, building clean data access layers, and implementing comprehensive testing strategies within a cross-functional team. The project emphasizes data synchronization, hybrid data solutions, and automation tooling. 🗂️ Requirements: Strong experience with C# and .NET for building data access layers and ORM implementations, Ability to analyze and refactor complex SQL Server stored procedures, Experience with MongoDB and NoSQL patterns, Proven experience with TDD and writing unit/integration tests, Experience with Python for scripting and migration tooling, Experience using LLM/AI tools for code analysis and documentation, Understanding of event-driven architectures with Kafka, Familiarity with enterprise architectural patterns 📃 Skills: C#, .NET, SQL, T-SQL, SQLServer, MongoDB, TDD, UnitTesting, Python, LLM, AI, Kafka, SpringBoot, ORM 🏢 Description: Salary range: B2B - 39-40 E/h + VAT 💰 Ciklum is looking for a Senior .NET Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior .NET Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Project Description: Modernizing Legacy application. Responsibilities: Analyze existing stored procedures and document business logic Design clean, testable .NET data access interfaces Write unit/integration tests prior to implementation Execute incremental migration with parallel validation Ensure performance parity with legacy procedures Requirements: C#/.NET - Strong experience building data access layers, repositories, and ORM implementations SQL Server/T-SQL - Ability to analyze and deconstruct complex stored procedures MongoDB - Experience with NoSQL patterns for potential hybrid data solutions TDD/Unit Testing - Proven track record writing comprehensive test suites before implementation Python - For scripting, automation, and migration tooling LLM/AI Tools - Experience leveraging AI for code analysis, conversion assistance, and documentation generation Kafka - Understanding of event-driven architectures for data synchronization Spring Boot - Familiarity with enterprise patterns (transferable to .NET architecture) What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Want to learn more about us? Follow us on Instagram , Facebook , LinkedIn . Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

🏢 Summary: Full-time Senior Automation QA Engineer role focused on designing and scaling automated testing frameworks and infrastructure, ensuring high product quality and reliable CI/CD integration within a cross-functional team. The position involves architecting automation solutions from scratch, developing UI and API tests, and maintaining testing infrastructure. B2B contract with a salary range of 35–38 EUR/h + VAT. 🗂️ Requirements: Strong experience with C#, Proven experience in Automation QA, Experience with .NET Core, Experience with unit testing, Experience with integration testing, Experience with Git, Ability to design and build test automation frameworks from scratch, Experience integrating automated tests into CI/CD pipelines 📃 Skills: C#, .NET, NETCore, Automation, UI, API, CI/CD, Git, UnitTesting, IntegrationTesting 🏢 Description: Salary range: B2B - 35-38 E/h + VAT 💰 Ciklum is looking for a Senior Automation QA Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior Automation QA Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. Together, we will work on the project focused on building and scaling automated testing frameworks and infrastructure to ensure high product quality and reliable CI/CD integration. Responsibilities: Architect test automation frameworks from scratch Develop automated functional UI tests and API or service-level tests Integrate automated scripts into the CI/CD process Develop, maintain and expand automated testing infrastructure Devise and document test frameworks, coding standards, preferred design patterns, and development methodologies Ensure code quality through peer reviews and adherence to guidelines and standards Define quality metrics and implement measurements to determine test effectiveness and overall product quality within the automation process Prepare conclusions and reports regarding the quality of the product under test Collaborate with QA team members to automate manual test processes Manage, analyze and mitigate testing risks Onboard new team members to the project Provide technical guidance and advice for testing teams Requirements: Strong experience with C# Proven Automation QA experience Experience with .NET Core Experience with unit and integration testing Experience with Git What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance, mental health support, and financial & legal consultations About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Want to learn more about us? Follow us on Instagram , Facebook , LinkedIn . Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

🏢 Summary: Full-time Senior DevOps Engineer role focused on maintaining and improving cloud infrastructure for a healthcare mental health platform. The position involves managing Kubernetes environments on GCP, automating infrastructure with Terraform, and supporting CI/CD and production reliability in a distributed team. The offer includes B2B contract up to 35 EUR/h + VAT with full remote work in Poland. 🗂️ Requirements: Strong experience with Kubernetes, Strong experience with Google Cloud Platform (GCP), Strong experience with Terraform, Experience with Python, Familiarity with Atlantis, Ability to support CI/CD processes, Experience troubleshooting production environments, Good English communication skills, Availability for daily overlap with Pacific Time 📃 Skills: Kubernetes, GCP, Terraform, Python, Atlantis, CI/CD, Helm 🏢 Description: Salary range: B2B - up to 35 E/h + VAT 💰 Ciklum is looking for a Senior DevOps Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior DevOps Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. The client is a healthcare platform focused on mental health services. It enables clients to schedule appointments with psychologists and psychotherapists while integrating with various US insurance providers and mental health networks. The platform offers subscription packages for mental health and ensures accessibility through multiple insurance options. Responsibilities: Maintain and improve cloud infrastructure on GCP Manage and support Kubernetes-based environments Develop infrastructure automation using Terraform Collaborate closely with a Senior Infrastructure Engineer on platform reliability and scalability Support CI/CD processes and infrastructure operations Troubleshoot production issues and ensure system stability Contribute to infrastructure best practices and technical improvements Work closely with distributed teams in an international environment Requirements: Strong experience with Kubernetes Strong experience with Google Cloud Platform / GCP Strong experience with Terraform Experience with Python, since the team supports a lot of Python work Familiarity with Atlantis as part of the core infrastructure components Helm as a nice-to-have Strong communication skills, both verbal and written, to collaborate effectively with team members and stakeholders Good command of English, both spoken and written Availability for 2 hours of overlap per day with Pacific Time, either in the Pacific morning or Pacific late afternoon / end of day, mainly for handoffs What`s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We’ve got you covered with company-paid medical insurance About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

🏢 Summary: Senior Software Engineer role focused on building and modernizing strategic backend platforms that connect operational and regulatory systems, supporting a multiyear cloud migration roadmap. The position involves designing scalable, data-driven solutions in Java within an Agile team, leveraging cloud and DevOps practices. The role follows a hybrid model with 3 days per week onsite in Wroclaw or Krakow. 🗂️ Requirements: Bachelor’s degree in Computer Science or relevant certification, Strong back-end development experience in Java, Experience with DevOps CI/CD pipelines, Hands-on experience with Azure DevOps, GitHub, or GitLab, Practical experience with Test-Driven Development (TDD), Experience delivering solutions on Azure, AWS, or GCP, Solid understanding of cloud architecture, Knowledge of software design principles, Experience with data streaming and real-time or batch processing 📃 Skills: Java, Azure, AWS, GCP, CI/CD, AzureDevOps, GitHub, GitLab, TDD, Databricks, Kubernetes, DataStreaming, BatchProcessing, Cloud, DevOps 🏢 Description: We are looking for a Senior Software Engineer to join an agile team focused on developing strategic technology solutions that connect operations and regulatory systems. Our work plays a crucial role in enabling the client to meet regulatory obligations and unlock value from its wealth of data. The project is part of a multiyear roadmap to migrate to cloud technology and enhance existing platforms. You’ll work in a small, autonomous Agile team with colleagues across global locations, in an inclusive and collaborative environment. If you are passionate about innovation and continuous learning, we want to hear from you. This role offers a hybrid model, with 3 days per week working from the client's office in Wroclaw or Krakow. Responsibilities Design and develop strategic platform features that enable seamless trade execution flows between core systems, transforming epics and features into robust solutions Collaborate closely with agile team members during sprints to iteratively deliver product requirements Work with the product team to understand, refine, and implement required functionality Engineer solutions that leverage cloud technologies as part of a multiyear migration and modernization roadmap Develop and optimize data-driven applications, ensuring the client can unlock value from its wealth of data Utilize Java and related technologies to build scalable, high-performance backend services Requirements Bachelor’s degree in Computer Science or a relevant certification Strong back-end development experience in Java Proven experience with DevOps CI/CD pipelines and tools such as Azure DevOps, GitHub, or GitLab Solid understanding and hands-on experience with Test-Driven Development (TDD) Well-versed in cloud architecture, with delivery experience on Azure (preferred), AWS, or GCP Strong grasp of software design principles Experience working with modern technologies such as data streaming, real-time and batch processing; familiarity with Databricks and Kubernetes is a plus We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Full Stack Engineer role focused on building and scaling core platform functionalities within a cross-functional product team. The position involves end-to-end ownership of features, from design to deployment, using a modern TypeScript-based stack on AWS. The engineer will develop scalable microservices and frontend components that support millions of global users. 🗂️ Requirements: 7+ years of professional software engineering experience, Strong hands-on experience with TypeScript, Node.js, and React, Proven experience with AWS services: API Gateway, Lambda, ECS, SQS, SNS, Experience designing event-driven and microservices architectures, Proficiency with NoSQL and relational databases, Experience with CI/CD pipelines and Docker, Experience with observability and monitoring tools 📃 Skills: TypeScript, Node.js, React, AWS, APIGateway, Lambda, ECS, SQS, SNS, MongoDB, DynamoDB, PostgreSQL, Jenkins, GitLabCI, GitHubActions, Docker, CloudWatch, Datadog, REST, Microservices, NoSQL, CICD 🏢 Description: Salary range: B2B - up to 43 E/h + VAT 💰 Ciklum is looking for a Senior Full Stack Engineer to join our team and work directly with our partner, Trustpilot, in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the client: Trustpilot is on an incredible journey to become the universal symbol of trust. As the world’s largest independent consumer review platform, they bring consumers and businesses together to foster transparency and improvement. With over 300 million reviews and 64 million monthly active users, the work we do together has a massive global impact, helping millions of people make better choices every day. About the role: As a Senior Full Stack Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. As the world’s largest independent consumer review platform, they bring consumers and businesses together to foster transparency and improvement. With over 300 million reviews and 64 million monthly active users, the work we do together has a massive global impact, helping millions of people make better choices every day. In this role - you are fully integrated into feature teams. You will work on core platform functionalities that drive product-led growth, managing the critical customer lifecycle including sign-up, onboarding, sales, and retention. Your work will influence the experience of over 60 million monthly Trustpilot users globally! You will join a cross-functional "full ownership" team where you have a say in the direction of projects and technological choices. Responsibilities: Collaborative Development: Work alongside Product, Design, and Data Science in a team that owns its product and codebase from end-to-end End-to-End Ownership: Participate in every stage of the lifecycle—from ideation and design to architecture, implementation, deployment, and maintenance System Design: Drive technical decision-making and build scalable backend services and clean, reusable frontend components using TypeScript Scale & Innovation: Build and maintain RESTful APIs and distributed cloud services within an event-driven microservices architecture Team Leadership: Support and inspire your colleagues with your technical expertise and a problem-solving mindset Requirements: Experience: 7+ years of professional experience in software engineering Core Tech: Strong, hands-on expertise with TypeScript, Node.js, and React AWS Infrastructure: Proven experience with API Gateway, Lambda, ECS, SQS, SNS Architecture: Deep understanding of event-driven and microservice architectures Databases: Proficiency with NoSQL (MongoDB, DynamoDB) and Relational databases (PostgreSQL) DevOps & Tooling: Experience with CI/CD (Jenkins, GitLab CI, GitHub Actions), Docker, and observability tools like CloudWatch or Datadog What`s in it for you? Remote Collaboration: Enjoy the flexibility of remote work or join us in our offices across Europe Human Connection: We value a great atmosphere and host team F2F workshops a few times a year to brainstorm and bond in person Continuous Growth: Benefit from a tailored education path, including internal meetups, a Udemy license, and company-paid certifications Comprehensive Care: We offer medical insurance, mental health programs, and a welcoming, open culture Global Reach: Your work will build solutions used by millions to promote trust and transparency online Be bold, not bored! If you're ready to build the heart of trust with a world-class engineering team, we’d love to see your application.

🏢 Summary: B2B Full Stack Engineer role focused on building and scaling core platform functionalities within a product-led growth environment. The position involves end-to-end ownership of features, developing scalable backend services and reusable frontend components in a cloud-based microservices architecture. You will work on high-impact systems supporting millions of global users. 🗂️ Requirements: 4+ years of professional software development experience, Strong hands-on experience with TypeScript, Strong hands-on experience with Node.js, Strong hands-on experience with React, Experience with AWS services (S3, ECS, Lambda), Experience with event-driven architecture, Experience with microservices architecture, Proficiency with MongoDB and DynamoDB, Proficiency with PostgreSQL, Experience with Docker, Experience with CI/CD pipelines, Familiarity with observability tools (CloudWatch or Datadog) 📃 Skills: TypeScript, Node.js, React, AWS, S3, ECS, Lambda, MongoDB, DynamoDB, PostgreSQL, Docker, CI/CD, CloudWatch, Datadog, REST, Microservices 🏢 Description: Salary range: B2B - 30.5 E/h + VAT 💰 Ciklum is looking for a Full Stack Engineer to join our team and work directly with our partner, Trustpilot, in the Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the client: Trustpilot is on an incredible journey to become the universal symbol of trust. As the world's largest independent consumer review platform, they bring consumers and businesses together to foster transparency and improvement. With over 300 million reviews and 64 million monthly active users, the work we do together has a massive global impact, helping millions of people make better choices every day. About the role: As a Full Stack Engineer, you will be part of a cross-functional team with full ownership of the product and codebase. In this role, you are fully integrated into Trustpilot's feature teams. You will work on core platform functionalities that drive product-led growth, managing the critical customer lifecycle including sign-up, onboarding, sales, and retention. Your work will influence the experience of over 60 million monthly Trustpilot users globally! You will join a cross-functional full ownership team where you have a say in the direction of projects and technological choices. Responsibilities: Collaborative Development: Work alongside Product, Design, and Data Science in a team that owns its product and codebase from end-to-end End-to-End Ownership: Participate in every stage of the lifecycle: from ideation and design to architecture, implementation, deployment, and maintenance System Design: Participate in technical decision-making and build scalable backend services and clean, reusable frontend components using TypeScript Scale & Innovation: Build and maintain RESTful APIs and distributed cloud services within an event-driven microservices architecture Team Excellence: Contribute to planning, troubleshooting, and code reviews while inspiring the team with your problem-solving mindset Requirements: We are looking for engineers who are passionate about high-quality code and technical excellence: Experience: 4+ years of professional experience in software development Core Tech: Strong, hands-on expertise with TypeScript, Node.js, and React AWS Infrastructure: Experience with S3, ECS, Lambda Architecture: Familiarity with event-driven and microservice architectures Databases: Proficiency with NoSQL (MongoDB, DynamoDB) and Relational databases (PostgreSQL) DevOps & Tooling: Familiarity with Docker, CI/CD pipelines, and observability tools like CloudWatch or Datadog Desirable: Hands-on experience with AWS services: SQS, SNS, API Gateway, CloudWatch Understanding of Infrastructure as Code (e.g., CloudFormation) Experience with GCP services like BigQuery Exposure to other languages (Python, .NET, or PHP) and frontend styling (SASS, Styled Components) Experience with end-to-end testing using Playwright What`s in it for you? Remote Collaboration: Enjoy the flexibility of remote work or join us in our office locations across Europe Human Connection: We value a great atmosphere and host team F2F workshops a few times a year to brainstorm and bond in person Continuous Growth: Benefit from a tailored education path, including internal meetups, a Udemy license, and company-paid certifications Comprehensive Care: We offer medical insurance, mental health programs, and a welcoming, open culture Global Reach: Your work will build solutions used by millions to promote trust and transparency online Be bold, not bored! If you're ready to build the heart of trust with a world-class engineering team, we'd love to see your application.

🏢 Summary: Software Engineer role in a long-term international project, working in a cross-functional team responsible for full product lifecycle from design to production support. The position involves backend and frontend development using modern technologies in an iterative delivery model. Hybrid work model with 5 days per month in the office. 🗂️ Requirements: Minimum 5 years of commercial software development experience, Experience with at least one programming language: Kotlin, Python, or JavaScript, Willingness to work across backend and frontend technologies, Working knowledge of Unix/Linux environments, Understanding of databases: MongoDB, Redis, PostgreSQL, Experience with HTTP APIs and RESTful services, Ability to provide production support and troubleshoot performance and security issues, Good English communication skills 📃 Skills: Kotlin, Python, JavaScript, Unix, Linux, MongoDB, Redis, PostgreSQL, REST, HTTP, .NET, C# 🏢 Description: Software Engineer (Kotlin / Python / JavaScript) Location: Kraków or Warsaw (hybrid — 5 days per month in the office) Contract type: B2B — 130–140 PLN/h Project: Long-term international project About the Role We are looking for a Software Engineer to join a collaborative product team working in an iterative delivery model. The team is responsible for the full lifecycle of the product — from design and development to production support — following the principle: “you build it, you support it.” This role offers an opportunity to work with modern technologies across backend and frontend, while continuously learning new programming languages and tools. Key Responsibilities Work in a cross-functional team of 4–6 engineers Break down requirements into user stories and deliver iteratively to production Design technical solutions aligned with architectural guidelines Provide production support, including troubleshooting bugs, performance, and security issues Identify and manage technical debt alongside new feature development Collaborate closely with team members, including pair programming Ensure high quality and maintainability of delivered solutions Requirements Minimum 5 years of relevant commercial experience Experience with at least one programming language (Kotlin, Python, or JavaScript preferred) Willingness to learn multiple technologies across backend and frontend Working knowledge of Unix/Linux environments Understanding of databases from a usage perspective (MongoDB, Redis, PostgreSQL) Experience with HTTP APIs (RESTful services) Good English communication skills (team communication in English) Nice to Have Knowledge of .NET / C# What We Offer Hybrid work model — only 5 days per month from the office (Kraków or Warsaw) Private medical care (Medicover) Sports card (Multisport or equivalent) Life insurance Long-term, stable cooperation Opportunity to work with modern technologies in an international environment Support for professional development and learning

🏢 Summary: Full-time hybrid Software Engineer role focused on building responsive, AI-driven web applications for enterprise platforms using modern JavaScript technologies. The position involves developing high-quality React-based interfaces, applying TDD and CI practices, and collaborating within cross-functional Agile teams. Long-term B2B contract based in Warsaw with competitive salary. 🗂️ Requirements: 6+ years experience with JavaScript, 6+ years experience with TypeScript, Strong knowledge of design patterns in JavaScript, Proficiency in React with Redux, Experience with Next.js, Understanding of functional programming concepts, Strong knowledge of asynchronous programming, Experience with Git and branch management, Experience debugging front-end applications, Experience creating and integrating custom packages, Understanding of object-oriented programming principles, Practical experience with HTML5, Practical experience with CSS3, Experience in Agile environments, Ability to develop cross-browser compatible code 📃 Skills: JavaScript, TypeScript, React, Redux, Next.js, HTML5, CSS3, Git, TDD, CI, Agile 🏢 Description: 💰 Salary: 14,500-17,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ B2B We are looking for a Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results. Requirements: 6+ years of experience working with JavaScript and TypeScript Solid understanding of design patterns and how to apply them in JavaScript development. Proficiency in a modern front-end JavaScript framework such as React.js with Redux; experience with Next.js is an advantage. Familiarity with functional programming concepts. Strong grasp of asynchronous programming and its best practices. Knowledge of Git and experience with branch management. Experience troubleshooting front-end issues and using relevant debugging tools. Familiarity with creating and integrating custom packages. Good understanding of object-oriented programming principles and their use in JavaScript. Ability to perform effectively under pressure and meet strict deadlines. Practical experience with HTML5 and CSS3. Experience working within Agile development environments and practices. Strong communication and organizational abilities. Skilled in developing cross-browser compatible code. A Bachelor’s degree in Computer Science or a related field is preferred. Key Responsibilities: Creating and building responsive user interfaces using React. Applying and maintaining test-driven development (TDD) practices along with continuous integration processes. Working closely with a cross-functional team that includes project managers, analysts, and sales representatives to deliver high-quality, interactive products within deadlines. Promoting and implementing best practices in testing, accessibility, and performance optimization. Partnering with design, backend, QA, and product teams to develop reliable, user-focused solutions.

🏢 Summary: Software Engineer role focused on modernizing a mission-critical aviation platform by developing cloud-hosted backend services and scalable cloud-native solutions in AWS. The position involves backend modernization, Kubernetes and container management, CI/CD automation, and operational reliability improvements in a distributed engineering environment. The role offers hybrid work flexibility, B2B or UoP employment, and benefits including healthcare and life insurance. 🗂️ Requirements: Experience developing backend applications in cloud environments, Strong knowledge of AWS and cloud-native architectures, Hands-on experience with Linux, Hands-on experience with Docker, Hands-on experience with Apache, Hands-on experience with Java, Hands-on experience with Spring Boot, Experience with Kubernetes and containerized workloads, Experience with CI/CD, Experience with Infrastructure as Code, Experience with automation, Understanding of cloud security, Understanding of monitoring and production support practices, Strong troubleshooting and problem-solving skills, Ability to work independently and collaborate within distributed teams, English level B2 or higher 📃 Skills: AWS, Linux, Docker, Apache, Java, Spring, Kubernetes, CI/CD, IaC, Automation, SQL, MySQL, Security, Monitoring 🏢 Description: We are looking for a Software Engineer to join a team responsible for modernizing a mission-critical aviation platform used by tens of thousands of customers worldwide. You will help design, build, and evolve cloud-hosted backend services that support the distribution of aviation data across desktop, mobile, and aircraft-connected workflows. This is a unique opportunity to work on a high-impact product while contributing to a large-scale modernization initiative focused on cloud-native architecture, automation, scalability, security, and operational excellence. Working closely with cross-functional teams, you will help transform a well-established platform into a modern, resilient, and highly scalable ecosystem capable of supporting future growth and new product offerings. Key responsibilities Develop and modernize backend services hosted in AWS Design and implement scalable, resilient cloud-native solutions Build and improve APIs, integrations, and automated backend processes Enhance CI/CD pipelines, infrastructure automation, monitoring, and observability Manage and troubleshoot Kubernetes-based environments and containerized applications Support production systems and drive reliability, security, and operational improvements Collaborate with product, mobile, desktop, QA, and DevOps teams to deliver high-quality solutions Leverage AI-assisted development tools to improve engineering efficiency while maintaining high standards of quality and security Ideal candidate profile Experience developing backend applications in cloud environments Strong knowledge of AWS and cloud-native architectures Hands-on experience with Linux, Docker, Apache, Java and Spring Boot Experience with Kubernetes and containerized workloads Experience with CI/CD, Infrastructure as Code, and automation Understanding of cloud security, monitoring, and production support practices Strong troubleshooting and problem-solving skills Ability to work independently and collaborate within distributed teams English min. B2. Nice to Have: Experience modernizing legacy applications and services Experience with SQL Server and MySQL Experience building highly available and resilient production systems Experience using AI-assisted software development tools Conditions Employment type: B2B or UoP Location: Gdańsk Work model: 1 day a month in the office in Gdańsk or less frequently, depending on your availability Salary: 190 PLN net/h - to negotiate Benefits: life insurance, private healthcare, Multisport card