Fullstack Developer (Node.js & Typescript)

🏢 Summary: Contract B2B Fullstack Developer role (hybrid in Wroclaw) focused on building and maintaining enterprise-grade financial platforms using Java/Spring Boot and Angular. The position involves developing microservices, scalable APIs, and responsive UI components while contributing to CI/CD and DevOps practices. The role requires ensuring high performance, security, and reliability within Agile teams. 🗂️ Requirements: Strong experience in Java 17/21+, Strong experience with Spring Boot, Experience with microservices architecture, Solid experience in Angular 14/16+, Experience with TypeScript, HTML, CSS, Experience building REST APIs, Experience with relational databases (Oracle, SQL Server, or PostgreSQL), Experience with Git, Experience with CI/CD tools (Jenkins or GitHub Actions), Understanding of secure application design, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CI/CD, Agile, Scrum 🏢 Description: We are looking for a talented and experienced Fullstack Developer to join our growing team at a global leader in financial services platforms. Work mode: Hybrid, 3 days from office in Wroclaw, Poland Type of contract: Contract: B2B only ( 1 year with extensions) Key Responsibilities: Design, develop, test, and maintain full-stack applications using Java/Spring Boot on the backend and Angular on the frontend. Build scalable APIs, microservices, and UI components for enterprise-grade platforms. Ensure application performance, code quality, security, and reliability through best engineering practices. Participate in code reviews, design discussions, and continuous improvement initiatives. Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes. Contribute to CI/CD pipelines , automated testing, and DevOps practices to improve software delivery. Support integration with databases, messaging systems, and third-party/internal enterprise services. Follow Agile/Scrum practices and actively participate in sprint ceremonies. Required Qualifications: Strong hands-on experience in Java  ( 17/21+) development , with Spring Boot and microservices architecture. Solid experience in Angular ( 14/16+) , TypeScript, HTML, CSS, and responsive UI development. Good understanding of REST APIs, backend integration patterns, and secure application design. Experience with relational databases such as Oracle, SQL Server, or PostgreSQL. Familiarity with source control tools such as Git, and CI/CD tools such as Jenkins, GitHub Actions, or similar. Understanding software development lifecycle, testing frameworks, and Agile methodologies. Strong analytical, problem-solving, and communication skills. Experience with version control systems, preferably Git. Benefits: Collaborative and supportive team culture Opportunity to work with global teams and stakeholders Exposure to innovative and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Full-stack Developer role on a large-scale, globally distributed payments platform processing millions of transactions. The position involves building and maintaining enterprise web applications with Java and Angular or React, focusing on performance, security, and scalability. Hybrid work model with collaboration across global teams in a fast-paced financial environment. 🗂️ Requirements: Bachelor’s Degree in Computer Science or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs, Solid understanding of HTTP, HTML, REST, JSON, Knowledge of full SDLC lifecycle, Experience with enterprise-scale web applications, Experience with Jira or ServiceNow, Experience with Splunk or log analysis tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, SDLC, Jira, ServiceNow, Splunk 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities ✅ What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Senior Fullstack Developer role focused on building new backend and frontend features for a large corporate investment platform within a digital innovation center. The position combines hands-on development with architectural input, code reviews, and active participation in Agile processes. The work emphasizes creating new solutions using modern Java and Angular technologies. 🗂️ Requirements: Minimum 5 years commercial experience in fullstack development, Proficiency in Java 8/17, Strong knowledge of Spring Framework, Experience with Java design patterns, Knowledge of JDBC, collections, memory management, Experience with Angular 14+, Strong TypeScript skills, Experience with RxJS and reactive programming, Hands-on experience with RDBMS, Strong SQL knowledge, Understanding of Git, Experience with npm, Knowledge of Web APIs, Familiarity with OpenAPI (Swagger), Experience working in Scrum environment 📃 Skills: Java, Spring, Angular, TypeScript, RxJS, JDBC, SQL, RDBMS, Git, npm, WebAPI, OpenAPI, Swagger, Scrum, Collections, MemoryManagement 🏢 Description: Get on board with B3 Consulting Poland – a Polish outsourcing company with Scandinavian roots. We value energy, logic, experience and freedom , all embedded in a truly Scandinavian work culture. At B3, our CARE philosophy is more than a slogan. It’s how we think and work every day – we care about people, tailor solutions to real needs, and take responsibility for what we build. We’re not just a workplace. We’re a community of passionate people who enjoy working together and learning from each other 🙌 We are currently looking for a Senior Fullstack Developer to help us build and grow a digital innovation center in Poland. You will join a team developing a corporate investment application where 90% of your work will focus on creating brand-new solutions . 🚀 Your mission on board: Development: You will be responsible for designing and implementing new backend and frontend features for large corporate investment platform. Architectural Influence: Beyond coding, you will actively participate in technical analysis and high-level discussions to shape the future of our systems. Quality & Collaboration: You will perform thorough code reviews and participate in Scrum events, ensuring the team delivers stable and scalable software. Proactive Innovation: We look for developers who take ownership, bring their own ideas to the table, and show initiative in improving our engineering standards. 🚀 What you’ll need to come on board: Senior Expertise: Minimum 5 years of commercial experience in fullstack development. Solid Backend Stack: Proficiency in Java 8 / 17 , the Spring Framework , and Java design patterns. You should have strong knowledge of JDBC, collections, and memory management. Modern Frontend Stack: Extensive experience with Angular 14+ , TypeScript, and reactive programming ( RxJS ). Database Mastery: Strong hands-on experience with RDBMS and SQL . Engineering Excellence: Good understanding of Git, npm, Web APIs, and OpenAPI (Swagger). Communication & Mindset: English at a minimum B2 level and a proactive attitude towards working in an Agile/Scrum environment. 🎁 What we offer Health & sports benefits tailored to your needs Free running and swimming trainings Internal triathlon team and joint competitions (Warsaw-based) Tailor-made development paths to deepen your expertise Cyclical initiatives that allow you to grow in other IT areas , not only your current stack Hybrid work - 1-2/week

🏢 Summary: Full-stack Developer role on a large-scale, globally distributed payments platform processing millions of transactions. The position involves building and maintaining enterprise web applications using Java and Angular or React, with strong focus on performance, security, and scalability. Hybrid work model with collaboration across global teams. 🗂️ Requirements: Bachelor’s Degree in Computer Science, Software Engineering or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs and web services, Solid understanding of HTTP, HTML, REST, JSON, Experience with full SDLC lifecycle, Ability to troubleshoot and perform root-cause analysis, Experience working with ticketing and log management tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, SDLC, Jira, ServiceNow, Splunk 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Full-stack Developer role on a large-scale financial payments platform processing millions of global transactions. The position involves building and maintaining enterprise web applications using Java with Angular or React, focusing on performance, security, and scalability. You will design RESTful APIs, troubleshoot complex issues, and contribute to high-impact, globally distributed projects. 🗂️ Requirements: Bachelor’s Degree in Computer Science, Software Engineering or related field, 7+ years of full-stack development experience, Strong experience with Java and Angular or React, Experience designing and building RESTful APIs and web services, Solid understanding of HTTP, HTML, REST, JSON, Experience with full SDLC, Experience working with enterprise-scale web applications, Experience with Jira or ServiceNow, Experience with Splunk or similar log analysis tools 📃 Skills: Java, Angular, React, REST, HTTP, HTML, JSON, Jira, ServiceNow, Splunk, SDLC 🏢 Description: 📌 We’re looking for an experienced Full-stack Developer to join a fast-paced, high-impact project in the financial / payments domain. You’ll be working on a large-scale, globally distributed platform that processes millions of transactions and powers critical payment flows used worldwide. The project focuses on performance, security, and scalability, with strong engineering standards and modern technologies. 📍 This is a hybrid role with 4 days remote and 1 day in-office (Warsaw or Gdańsk). What you’ll do: Develop and maintain enterprise-scale web applications using modern tech stacks (Java + Angular or React) Design, build, and test RESTful APIs and web services Troubleshoot and perform root-cause analysis on complex issues Collaborate with global teams on concurrent projects in a fast-paced environment Ensure code meets security, performance, and scalability standards Work with ticketing systems (Jira, ServiceNow) and log retrieval tools (Splunk) What we’re looking for: Bachelor’s Degree in Computer Science, Software Engineering, or related field 7+ years of hands-on development experience with full lifecycle SDLC knowledge Solid understanding of web technologies (HTTP, HTML, REST, JSON) Proven ability to handle multitasking, deadlines, and complex projects A proactive mindset: embraces new technology, tight timelines, and parallel projects Strong interpersonal and facilitation skills with clear written & verbal communication Excellent planning, organizational, and problem-solving abilities What we offer: Hybrid work: 4 days remote + 1 day in Warsaw or Gdańsk office Work on large-scale, impactful projects in the finance/ payments industry Collaborate with distributed global teams Opportunity to grow and learn in a fast-paced, technology-driven environment ✅ Benefits: Work with modern technologies and international teams Long-term and stable cooperation Professional growth opportunities 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Remote Full Stack Developer role focused on building and maintaining scalable digital health applications using Python and Vue.js. The position involves developing new features, contributing to MVPs and prototypes, and ensuring high performance and reliability in cloud-based environments. The role requires strong architectural understanding and hands-on experience with modern frontend and backend technologies. 🗂️ Requirements: 5+ years of frontend development experience, 5+ years of experience with Python, Strong experience with TypeScript, Strong experience with Vue.js, Understanding of SPA frameworks, Experience building scalable applications, Experience with cloud and DevOps tools, Fluency in English 📃 Skills: Python, Vue, TypeScript, JavaScript, SPA, React, Angular, Cloud, DevOps 🏢 Description: Full Stack Developer (Python+Vue) We are seeking a Full Stack Developer for a global life‑science company driving innovation in digital health . You will build and maintain scalable applications, working closely with cross‑functional teams and contributing to new features and MVPs. Success in this role requires strong system architecture skills, hands‑on experience with scalable software, and a passion for experimentation and rapid prototyping. Work mode : 100% remote Tasks Develop and maintain scalable frontend and backend components using Vue.js, TypeScript, and Python Collaborate with architects, product owners, and engineers to design high‑quality solutions Build new features , improve existing functionality, and ensure application performance and reliability Contribute to early MVPs , prototypes, and experimental solutions Participate in code reviews , ensure best practices , and support continuous improvement of the development process Work with modern cloud and DevOps tools to enable smooth delivery and deployment Expectations 5+ years of experience in Frontend Software Development 5+ years of experience with Python Strong hands‑on experience with TypeScript and Vue.js Solid understanding of SPA frameworks (React or Angular is a plus) Fluency in English We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development, Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and building scalable backend and frontend applications, with strong emphasis on Java/Spring-based microservices and React frontend. The position involves API development, cloud-ready architecture, CI/CD practices, and ensuring non-functional requirements such as security and resilience. The developer will collaborate cross-functionally to deliver reliable, high-quality solutions in an Agile environment. 🗂️ Requirements: Experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE and Spring Framework, Experience with Hibernate JPA, Experience building and consuming REST web services, Experience processing XML and JSON data, Experience with RDBMS databases (Oracle, PostgreSQL), Experience with MongoDB, Experience working in Agile/Scrum/Kanban methodologies, Experience with CI/CD pipelines, Experience with Jenkins, Experience with Docker, Experience with Git, Knowledge of Unix, Frontend experience with React.js, Experience with JavaScript and TypeScript, Understanding of code security principles 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing and maintaining scalable backend and frontend applications with strong emphasis on Java-based APIs, microservices, and cloud-ready architecture. The position involves building resilient solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires regular office presence in Cracow and offers a competitive hourly rate. 🗂️ Requirements: Hands-on experience with Java and Spring Boot for APIs and Microservices, Experience with Java/J2EE, Spring Framework, Hibernate JPA, Experience with REST web services and XML/JSON processing, Understanding of code security principles, Experience with RDBMS databases (Oracle, PostgreSQL) and MongoDB, Experience with CI/CD pipelines and Jenkins, Experience with Docker, GIT, shell scripting, Unix, Frontend experience with React.js, JavaScript, TypeScript, Experience working in Agile/Scrum/Kanban methodologies, Knowledge of data modelling and architecture design concepts 📃 Skills: Java, Spring, SpringBoot, J2EE, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, GIT, Unix, Shell, React, JavaScript, TypeScript, CI/CD, Microservices 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Hybrid B2B Full-stack Developer role focused on designing, developing, and maintaining scalable backend and frontend applications with strong emphasis on API and microservices architecture. The position involves building resilient cloud-ready solutions, ensuring non-functional requirements, and collaborating with cross-functional teams in an Agile environment. The role requires strong Java/Spring expertise, frontend experience with React, and hands-on knowledge of CI/CD and modern DevOps practices. 🗂️ Requirements: Hands-on experience developing APIs and Microservices using Java or Spring Boot, Experience with Java/J2EE application development, Experience with Spring Framework and Hibernate JPA, Experience building REST web services and processing XML/JSON, Understanding of code security principles, Experience with RDBMS databases, Experience with Oracle, PostgreSQL, or MongoDB, Experience working in Agile/Scrum/Kanban environments, Experience with CI/CD pipelines, Experience with Jenkins and Docker, Experience with shell scripting and Git, Knowledge of Unix, Frontend experience with React.js, Proficiency in JavaScript and TypeScript 📃 Skills: Java, J2EE, Spring, SpringBoot, Hibernate, JPA, REST, XML, JSON, Oracle, PostgreSQL, MongoDB, Jenkins, Docker, Git, Unix, React, JavaScript, TypeScript, CI/CD 🏢 Description: Summary: The Full-stack Developer role focuses on developing and maintaining applications across both backend and frontend, ensuring a balanced skill set in both areas to accommodate market demands. Work model: Hybrid (6 times per month work from office-Cracow) Business trips: n/a Start: ASAP/ one month notice period Assignment type: B2B Budget: 150-170 zł/h Main Responsibilities: Knowledge of Data modelling and Data Architecture concepts, security concepts, Architecture design, Business Functional Domains. Awareness of Infrastructure Design, Integration concepts, techniques, and patterns. Ensuring non-functional requirements (NFRs) are architected into the design, including API governance for various types of APIs. Developing skills for cloud design, creating resilient and flexible solutions. Building scalable and reliable product features through design, implementation, and maintenance of applications. Applying problem-solving and analytical skills to a variety of issues. Collaborating with cross-functional teams for scalable solutions. Estimating engineering efforts and creating realistic schedules. Identifying and resolving complex production issues. Rapidly fixing bugs and solving problems. Conducting design and code reviews, performing unit-testing for robustness and reliability. Utilizing source control and bug tracking systems effectively. Key Requirements: Hands-on experience in developing APIs and Microservices using core Java and/or Spring Boot; understanding of code security principles. Experience with application development in Java/J2EE, including Spring Framework and Hibernate JPA. Experience in developing reusable APIs and working with web services (REST), processing data (XML/JSON). Expertise in Agile/Scrum/Kanban methodologies, with experience in working with Databases (RDBMS) - Oracle, PostgreSQL, MongoDB. Expertise with CI/CD pipelines, Jenkins, Docker, shell scripting, and GIT; knowledge of Unix. Frontend experience with React.js, JavaScript, and TypeScript. Nice to Have: Experience in JavaScript frameworks such as React.js, Node.js, Angular, and jQuery. Familiarity with JavaScript build tools and dependency management. Experience in creating responsive web designs (Bootstrap, mobile, etc.). Experience with cloud platforms such as GCP, GKE, AWS is advantageous. Knowledge in system architecture and solution design. Experience with Python, Machine Learning, and Data Science.

🏢 Summary: Senior Full Stack Engineer role focused on building AI-powered enterprise product features across frontend and backend systems in a fully onsite Warsaw office. The position involves owning the full development lifecycle, collaborating with product and design teams, and improving performance, reliability, and user experience. The company offers a modern AI-focused engineering environment, B2B contract, stock options, and opportunities to work with enterprise-scale AI solutions. 🗂️ Requirements: Senior-level experience building production web applications, Frontend experience with React, Frontend experience with TypeScript or similar frameworks, Backend experience designing APIs and backend services, Experience working with full-stack architectures and data flows, Ability to make technical decisions balancing scope, quality, and delivery time, Security-focused mindset and experience handling sensitive data, Experience collaborating with engineering, product, and design teams, Experience using AI tools in software development workflows, Availability to work onsite in Warsaw 5 days a week 📃 Skills: React, TypeScript, Python, Node.js, APIs, AI, Claude, OpenAI, Codex, GitHub, Copilot 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and processes real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a Senior Full Stack Engineer who enjoys building complete product solutions from start to finish. In this role, you will understand customer needs, design the right technical solution, build new features, and improve them after release. You will work across both frontend and backend, taking ownership of the whole development process - from the first idea to production. The position is based in Warsaw and requires working from the office. Responsibilities Build and deliver product features across both frontend and backend. Turn product ideas into practical technical solutions with the right scope and priorities. Work across the full technology stack, including user interfaces, backend logic, APIs, and data flows. Work closely with product managers and designers, even when requirements are still changing. Improve usability, performance, reliability, and overall product quality. Monitor applications after release, analyze logs and system data, and continue improving the product. Use AI tools every day to improve development speed, workflows, and engineering processes. Maintain high standards for code quality, testing, and long-term ownership. Requirements Strong senior-level experience building and delivering production web applications. Strong frontend skills with React, TypeScript, or a similar modern web framework. Good backend experience designing APIs, backend services, and data flows. Strong product thinking with the ability to improve user experience and simplify complex workflows. Good judgment when making technical decisions and balancing scope, quality, and delivery time. A security-focused approach and experience handling sensitive data. Good communication skills and experience working with engineering, product, and design teams. Experience using AI tools as part of your daily software development work. Nice to have Experience building AI-powered products such as chat applications, search, recommendation systems, workflows, or AI agents. Experience with Python, Node.js, or both. Experience leading product areas with a high level of ownership. Good understanding of web performance, accessibility, and production quality. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.