Lead Frontend Engineer

🏢 Summary: Tech Lead role in a Java team responsible for designing, developing, and maintaining scalable, secure software solutions in a Scrum environment. The position combines hands-on Java development with technical leadership, focusing on architecture, microservices, and cloud-based systems on AWS. You will translate business requirements into robust technical solutions aligned with architectural and non-functional standards. 🗂️ Requirements: Strong commercial experience in Java development, Hands-on experience with Spring Boot in production, Experience with AWS in production environments, Experience designing microservices and distributed systems, Strong knowledge of software architecture and design patterns, Experience addressing non-functional requirements (scalability, security, performance), Experience with Docker and CI/CD pipelines, Experience building and maintaining REST APIs 📃 Skills: Java, SpringBoot, AWS, EC2, RDS, S3, CloudWatch, Microservices, Docker, CI/CD, REST, Security, Architecture, DesignPatterns, DistributedSystems 🏢 Description: Salary: 1300 - 1600 PLN/MD on B2B Work model: e lastic hybrid (Warsaw / Kraków / Tricity) or remote with occasional office visits Why choose this offer? You can expect a flexible work organization The international work environment will allow you to interact with the English language daily Scandinavian organizational culture will provide you with a work-life balance The Jit community will bring you a nice time during regular integration meetings Project We are looking for an experienced Tech Lead to join a Java development team responsible for designing, developing, and maintaining high-quality software solutions. This role combines hands-on engineering with technical leadership , focusing on building scalable, secure, and maintainable systems while mentoring the team and driving technical excellence. As a Tech Lead , you will play a key role in t ranslating business requirements into robust technical solutions , ensuring alignment with architectural standards , non-functional requirements (NFRs) , and the broader technology strategy . You will work in an autonomous, self-organizing Scrum team and actively contribute to both delivery and continuous improvement. Expected competencies and knowledge Strong hands-on experience as a Senior Software Engineer with a primary focus on Java development Ability to combine active coding with technical leadership and ownership of technical decisions within the team Proven experience in designing and delivering secure, scalable, and high-quality software solutions Extensive experience with Spring Boot and AWS in production environments Strong understanding of software architecture, design patterns, and non-functional requirements (scalability, security, performance) Experience in designing and working with microservices and distributed systems Ability to coach developers, promote best practices, and support a self-organizing Scrum team Experience working closely with Product Owners and cross-functional stakeholders to translate business requirements into technical solutions Very good communication skills and fluency in spoken and written English Technologies you'll work with Java Spring Boot (REST APIs, Security, Data) AWS (EC2, RDS, S3, CloudWatch) Microservices architecture Docker & CI/CD Nice to have: Kafka React Basic knowledge of C# Client – why choose this particular client from the Jit portfolio? Our client is a Scandinavian supplier of software and services for purchasing and tendering processes in highly formalized conditions, such as orders in accordance with public procurement law at the level of the European Union or individual member states. The delivery center is located in Utrecht. Client’s platforms allow to announce tenders and conduct the entire procedure of collecting and evaluating offers at every stage of the purchasing process. They are used both by public administration bodies at various levels in European countries and by purchasing departments of large companies and corporations. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Frontend Developer role focused on building modern web applications with interactive dashboards and data visualizations using React and TypeScript in a hybrid work model. The position involves collaboration with backend, product, and design teams while leveraging AI-assisted development tools to improve productivity and code quality. Candidates will contribute to scalable frontend architecture, charting solutions, and high-performance analytical interfaces. 🗂️ Requirements: 4+ years commercial frontend development experience, Strong React expertise, Strong TypeScript expertise, Experience with AI-powered development tools, Experience building data visualizations and interactive charts, Knowledge of charting libraries, Understanding of modern frontend architecture, Experience integrating REST APIs, Fluent English 📃 Skills: React, TypeScript, Highcharts, REST, GitHub, Copilot, ChatGPT, Cursor, Claude, Tailwind, Redux, Zustand, Jest, Cypress, Python 🏢 Description: Salary: 900 - 1000 PLN/MD on B2B Work model: hybrid from Gdańsk / Warszawa / Kraków / Rzeszów (2 days per week from the office) Availability: ASAP or within 14 days preferred Why choose this offer? Join a team building modern, data-driven web applications Work with a high-impact tech stack: React, TypeScript, AI tools Opportunity to create interactive dashboards and advanced data visualizations Collaborate with cross-functional teams (backend, product, design) Leverage AI-powered development tools to boost productivity and code quality Influence technical decisions and architecture discussions Project You will contribute to the development of modern web applications focused on interactive data visualization and dashboards . The project involves designing and implementing user-friendly, high-performance interfaces , including graphs, charts, and analytical views . You will work closely with backend developers and product stakeholders to deliver scalable and maintainable solutions. Responsibilities you’ll have: Develop and maintain modern web applications using React and TypeScript Build interactive dashboards and data visualization components Implement and enhance charting and graph solutions (e.g. Highcharts) Collaborate with cross-functional teams to deliver high-quality features Write clean, maintainable, and well-tested code Participate in code reviews and contribute to technical discussions Leverage AI-assisted development tools to improve productivity and code quality Expected competences and knowledge: Minimum 4 years of commercial experience in frontend development Strong hands-on expertise in React and TypeScript Experience with AI-powered development tools (e.g., GitHub Copilot, ChatGPT, Cursor, Claude) Proven track record of building data visualizations and interactive charts/graphs Familiarity with charting libraries (e.g., Highcharts or similar) Solid understanding of modern frontend architecture and best practices Experience integrating with REST APIs Strong problem-solving and communication skills Fluent English (written and spoken) Nice to have: Experience with Tailwind CSS Basic knowledge of Python Familiarity with state management libraries (Redux, Zustand, etc.) Experience with testing frameworks (Jest, React Testing Library, Cypress) Technologies you'll work with React TypeScript Highcharts (or similar charting libraries) REST APIs AI-assisted development tools (GitHub Copilot, ChatGPT, etc.) Tailwind CSS (nice to have) Redux / Zustand (nice to have) Jest / Cypress / React Testing Library (nice to have) Client – why choose this particular client from the Jit portfolio? Our Client engineers technologies that enable the world of tomorrow to do more with less. They meet the growing need for infrastructure, food supply, energy efficiency and climate-friendly solutions . Their products and services are used in areas such as refrigeration, air conditioning, heating, motor control and mobile machinery. They are also active in the field of renewable energy as well as district heating infrastructure for cities and urban communities. Their innovative engineering dates back to 1933 and today our Client is a world-leader , employing more than 27,000 employees and serving customers in more than 100 countries . They are still privately held by the founding family. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Frontend Architect role in a financial project focused on building secure, high-performance, interactive web applications supporting complex workflows and real-time data. The position involves shaping frontend architecture, developing Web Components, and ensuring code quality and performance across large-scale systems. Hybrid work model with strong emphasis on technical excellence and collaboration in international teams. 🗂️ Requirements: Strong expertise in HTML, CSS, JavaScript, TypeScript, Experience with Web Components and Lit, Solid understanding of Node.js and npm ecosystem, Experience writing unit tests with Vitest, Strong knowledge of frontend architecture and design patterns, Experience with performance optimization and Core Web Vitals, Ability to integrate REST and GraphQL APIs, Experience in large-scale, modular frontend codebases 📃 Skills: TypeScript, JavaScript, HTML5, CSS3, Sass, WebComponents, Lit, Node.js, npm, Vitest, Playwright, REST, GraphQL, CI/CD, GitHubActions, GitLabCI, Kafka, MQ, NinjaFork 🏢 Description: Salary: 900-1200 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on building secure, high‑performance, and highly interactive web applications that support complex business workflows, real‑time data processing, and seamless user experiences. You’ll play a key role in shaping the frontend architecture, ensuring code quality, and driving technical excellence across the team. Responsibilities you'll have Architect and implement complex, interactive user interfaces and single‑page applications using TypeScript and JavaScript Define and maintain best practices for frontend architecture, state management, and component reusability Develop and maintain Web Components using Lit, ensuring modularity and long‑term maintainability Optimize application performance, improve Core Web Vitals, and ensure smooth experiences across devices and browsers Collaborate closely with backend engineers, UX/UI designers, and product managers to deliver end‑to‑end product features Integrate with REST and GraphQL APIs, ensuring reliability, security, and consistency of data flows. Conduct performance audits, code reviews, and mentor other developers Contribute to CI/CD pipelines and deployment workflows (nice‑to‑have) Participate in system design discussions and influence technical decisions across the product Expected competences and knowledge Strong expertise in HTML, CSS, JavaScript, TypeScript Experience with Web Components and Lit Solid understanding of Node.js and npm ecosystem Experience writing unit tests with Vitest Strong knowledge of frontend architecture, design patterns, and performance optimization Ability to work with REST/GraphQL APIs Experience in large‑scale, modular frontend codebases Strong communication skills and ability to collaborate in cross‑functional teams Technologies you'll work with TypeScript, JavaScript Web Components, Lit HTML5, CSS3, Sass Node.js, npm Vitest, Playwright (optional) REST, GraphQL CI/CD tools (GitHub Actions, GitLab CI, or similar) Kafka, MQ systems (nice‑to‑have) NinjaFork (nice‑to‑have) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Mid-level Frontend Developer role in a greenfield fintech project building a large-scale banking platform from scratch. You will design and develop web and mobile user interfaces using React, shaping frontend architecture and standards within a cross-functional international team. The position offers real impact on core frontend services and architectural decisions from day one. 🗂️ Requirements: Commercial experience in frontend development (mid-level), Hands-on experience with React, Experience building web applications, Understanding of modern frontend architecture, Ability to integrate frontend with REST APIs, Fluent English (spoken and written), Availability to work from office 3 days per week 📃 Skills: React, JavaScript, TypeScript, REST, GCP, Flutter, CI/CD, HTML, CSS 🏢 Description: Salary: 500-800 pln/md B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Rzeszów / Kraków (3 days per week from the office) Why choose this offer? Opportunity to build a fintech platform from scratch (greenfield project) Real impact on architecture and core frontend services from day one Collaboration within a cross-functional, international team Work on a large-scale financial platform in the banking domain Project We are building a fintech platform from the ground up for a financial institution operating in the banking products space. As a Frontend Developer, you will be part of a cross-functional squad responsible for designing and developing the user-facing layer of this greenfield product . You will work within a mixed frontend-backend squad, collaborating closely with your Tech Lead, Senior Developer, Business Analyst, and QA Engineer. This is a rare opportunity to define the frontend architecture, UI patterns, and user experience of a financial platform from scratch - covering both web and mobile channels. Responsibilities you'll have Design, develop, and maintain frontend applications across web and mobile channels Build responsive, performant, and accessible user interfaces using React Collaborate within a cross-functional squad (Tech Lead, Senior Developer, BA, QA, Backend Developers) Translate business requirements and UI/UX designs into clean, maintainable frontend code Integrate frontend applications with backend APIs and services Participate in code reviews, technical discussions, and architectural decisions Write clean, testable, and well-documented code following best practices Contribute to establishing frontend standards, component libraries, and development patterns Communicate progress, blockers, and technical decisions in English Expected competences and knowledge Solid commercial experience in frontend development (mid-level) Hands-on experience with React (web applications) Fluent English (spoken and written) Availability to work from the office 3 days per week (Warsaw, Kraków, Tricity, or Rzeszów) Understanding of modern frontend architecture and best practices Nice to have: Familiarity with Google Cloud Platform (GCP) Familiarity with Flutter Experience in financial services or banking domain Experience in greenfield projects Knowledge of state management patterns, design systems, and component-driven architecture Technologies you'll work with React REST APIs GCP (optional) Modern frontend tooling and libraries CI/CD pipelines Client – why choose this particular client from the Jit portfolio? The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers. It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Tech Lead role in a greenfield fintech platform within the banking domain, responsible for shaping architecture and leading a cross-functional team. The position combines hands-on Java development with architectural decision-making in a microservices, event-driven environment. You will drive backend technical direction while collaborating closely on frontend integrations. 🗂️ Requirements: 7+ years commercial software development experience, Proven experience in Tech Lead role, Strong hands-on experience with Java, Strong knowledge of Spring ecosystem (Spring Boot, Spring MVC, Spring Cloud), Experience with microservices architecture, Experience with event-driven architectures, Practical experience with PostgreSQL or other relational databases, Understanding of frontend architectures (React and/or Flutter), Very good knowledge of fullstack application architecture, Experience with distributed systems, Fluent English 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringCloud, PostgreSQL, Microservices, EventDriven, React, Flutter, SQL, DistributedSystems 🏢 Description: Salary: 1300 - 1600 PLN/MD on B2B Remote: hybrid from Gdynia / Gdańsk / Warszawa / Rzeszów / Kraków (2 days per week from the office) Why choose this offer? Opportunity to build a fintech platform from scratch (greenfield project) Real impact on architecture and core frontend services from day one Collaboration within a cross-functional, international team Work on a large-scale financial platform in the banking domain Project We are building a new fintech platform from the ground up for a financial institution operating in the banking products space . As a Tech Lead , you will own the technical direction of a cross-functional squad (developers, QA Engineer, Business Analyst) and ensure high-quality delivery across both backend and frontend layers . This is a hands-on leadership role - you will split your time between coding, architectural decision-making, and mentoring the team. The project is fully greenfield, giving you the opportunity to shape architecture, development standards, and engineering culture from day one. Each Tech Lead works closely with a Delivery Manager (shared across several teams). Responsibilities you'll have: Lead a cross-functional team through the full delivery lifecycle Own the squad’s technical direction, primarily on the backend , with awareness of frontend implications Design and evolve system architecture in a microservices and event-driven environment Ensure high code quality through reviews, standards, and best practices Collaborate with the Delivery Manager and Business Analyst to translate business needs into technical solutions Align with other Tech Leads to ensure architectural consistency across teams Identify, communicate, and mitigate technical risks and dependencies Contribute hands-on to development on a regular basis Communicate technical decisions and trade-offs clearly in English Expected competences and knowledge Minimum 7+ years of commercial experience in software development Proven experience in a Tech Lead role Strong hands-on expertise in Java and the Spring ecosystem (Spring Boot, Spring MVC, Spring Cloud) Understanding of frontend and client-side architectures , with exposure to React and/or Flutter (ability to collaborate efficiently with frontend/mobile developers, review high-level solutions, understand integration points and trade-offs) Very good understanding of fullstack application architecture Experience with event-driven architectures (message brokers, asynchronous communication, events) Practical knowledge of PostgreSQL or similar relational databases Experience working with microservices and distributed systems Strong mentoring and technical leadership skills Fluent English (spoken and written) Nice to have: Hands-on or architectural experience with React and/or Flutter Experience with Kafka or similar messaging/streaming platforms Familiarity with Google Cloud Platform (GCP) Experience with Kubernetes and containerized deployments Background in fintech or banking projects Experience building and scaling greenfield systems Technologies you'll work with Java Spring (Boot, MVC, Cloud) PostgreSQL Microservices Event-driven architecture Nice to have: React Flutter Kafka GCP Kubernetes Client – why choose this particular client from the Jit portfolio? The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers . It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy. Wymagania Oczekujemy Oferujemy

🏢 Summary: Full-stack role focused on building and maintaining scalable web and mobile applications using React/React Native on the frontend and Java-based backend services within a microservices architecture. The position involves end-to-end feature development, REST API design, and ensuring performance, security, and scalability in a production environment. You will contribute to CI/CD, deployments, and continuous platform improvements in a modern tech stack. 🗂️ Requirements: 6+ years full-stack development experience, Strong experience with React or React Native, Strong command of Java, Experience building REST APIs, Experience with HTTP protocols, Understanding of frontend architecture and state management, Experience with SQL and NoSQL databases (PostgreSQL, MongoDB, Redis), Knowledge of CI/CD pipelines and deployment processes, Experience with microservices architecture 📃 Skills: Java, React, ReactNative, Node.js, REST, HTTP, SQL, PostgreSQL, MongoDB, Redis, Microservices, CI/CD, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: Salary: 1000-1300 pln/md on B2B Work mode: Elastic hybrid from Gdynia/Gdańsk (1-2 days per week from the office) Why choose this offer? End‑to‑end ownership w ith a modern tech stack Stability combined with continuous growth Autonomy and high‑quality collaboration Project The project focuses on building and maintaining scalable web and mobile applications used by a large and diverse user base. It involves developing modern, user‑friendly interfaces with React or React Native and integrating them with robust backend services built in Java . The system is based on RESTful APIs and microservices architecture, ensuring high performance, security, and scalability. You will work closely with product, design, and QA teams to continuously improve the platform and deliver high‑quality features to production. Responsibilities you'll have Design and develop responsive web and mobile applications using React or React Native Build and maintain backend services and APIs using Java (preferred) or Node.js Develop reusable components, modules, and libraries Design and implement RESTful APIs and microservices Integrate front-end applications with backend systems and third-party services Ensure application performance, scalability, and security Collaborate with cross-functional teams including designers, product managers, and QA Participate in code reviews and maintain code quality standards Support deployment, CI/CD pipelines, and production releases Expected competences and knowledge Over 6 years of experience in full-stack development Good experience with React or React Native Strong command of Java Experience building REST APIs and working with HTTP protocols Understanding of frontend architecture, state management, and component-based design Solid level of SQL / NoSQL (Postgres, Mongo, Redis) Knowledge of CI/CD pipelines and deployment processes Strong problem-solving and analytical skills Good command of AI-powered coding and trust in AI Strong communication and collaboration skills Ability to work independently and within a team Attention to detail and commitment to quality Ability to manage multiple tasks and priorities Adaptability and willingness to learn new technologies Nice to have Experience with microservices architecture Familiarity with cloud platforms (AWS, Azure, or GCP) Experience with containerization (Docker, Kubernetes) Knowledge of testing frameworks and automated testing Experience with mobile app deployment (App Store / Google Play) Technologies you'll work with Java React React Native REST APIs HTTP SQL (PostgreSQL) NoSQL (MongoDB, Redis) Node.js Microservices CI/CD pipelines AWS/Azure/GCP Docker Kubernetes App Store/Google Play AI Client – why choose this particular client from the Jit portfolio? Our client is an international financial services organization operating in the capital markets domain, focused on processing and analyzing large volumes of transactional data. The company develops modern data platforms that support trading, operational efficiency, and regulatory reporting. It operates in a fast-paced, highly regulated environment with a strong emphasis on scalability, data quality, and advanced analytics. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Senior Angular Developer role focused on leading the migration of a legacy insurance platform to a modern Angular (v21) stack in a hybrid work model. The position involves designing and maintaining frontend applications, collaborating across teams, and leveraging AI-assisted development tools. The project combines legacy system modernization with modern frontend architecture and best engineering practices. 🗂️ Requirements: Minimum 5 years commercial experience in frontend development, Strong expertise in Angular, Strong expertise in TypeScript, Solid knowledge of JavaScript (ES6+), Experience with legacy systems, Experience with AngularJS, Hands-on experience with AI coding assistants, Ability to write and review code using AI tools, Strong knowledge of frontend testing (unit, integration, e2e), Experience with REST APIs, Experience with Git, Experience with CI/CD pipelines 📃 Skills: Angular, TypeScript, JavaScript, AngularJS, REST, Git, CI/CD, Angular Material, Tailwind, Bootstrap, Cursor, Copilot, Claude, AI, HTML, CSS 🏢 Description: Salary: 900 - 1200 PLN/day on B2B Work model: elastic hybrid from Cracow (2 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis The Jit community will bring you a nice time during regular integration meetings Exposure to AI-assisted development Project We are looking for a Senior Angular Developer to join a team working on modern web applications in the insurance domain. The primary focus of this role is leading and contributing to the migration of a legacy system to a modern technological stack (Angular 21). The application is a configurable platform used by insurance agencies, operating between SaaS and PaaS models. Development is distributed across multiple teams, each responsible for different parts of the system. The environment combines deep legacy system understanding with modern frontend practices and AI-assisted development. Responsibilities you'll have Design, develop, and maintain frontend applications using Angular and TypeScript Lead and actively contribute to the migration of legacy systems to modern Angular architecture Collaborate with cross-functional teams working on different parts of the platform Work effectively with AI-assisted development tools and agents to increase productivity Ensure high standards of code quality, testing, and maintainability Participate in technical decision-making , architecture discussions, and solution design Support and mentor junior and mid-level developers Contribute to effort estimation, planning, and delivery Expected competences and knowledge Minimum 5 years of commercial experience in frontend development Strong expertise in Angular and TypeScript Solid understanding of JavaScript fundamentals Experience working with legacy systems , including occasional exposure to AngularJS Hands-on experience with AI coding assistants (e.g., Cursor, Claude Code, Copilot) and working alongside established AI agents Ability to effectively write and review code with AI assistance , while maintaining ownership and code quality Strong understanding of frontend testing concepts and practices (unit, integration, e2e) Technologies you'll work with Angular TypeScript & modern JavaScript (ES6+) AngularJS (in legacy parts of the system) AI-assisted development tools (e.g., Cursor, Claude Code, Copilot) and preconfigured AI agents UI frameworks (Angular Material, Tailwind, Bootstrap) REST APIs Git, CI/CD pipelines Nice to have: Experience with Java (useful for backend collaboration) Previous exposure to AngularJS migration projects Experience working in SaaS or PaaS platforms About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy.

🏢 Summary: Hybrid B2B role for a Python developer focused on building scalable applications, APIs, microservices, and AI-driven data transformation solutions in an international financial environment. The position involves developing integrations, CI/CD pipelines, and automation solutions using modern cloud and AI technologies. Candidates will collaborate closely with product and architecture teams while working with data enrichment, LLMs, and enterprise systems. 🗂️ Requirements: Advanced Python development, Advanced Flask or similar framework knowledge, Advanced REST API knowledge, Intermediate LLM experience, Intermediate Docker experience, Intermediate JavaScript knowledge, Intermediate PostgreSQL knowledge, SQLAlchemy knowledge, Experience with CI/CD pipelines, Experience with Git, Ability to write tests with pytest, Experience with data integrations and transformation, English communication skills, Hybrid availability in Gdynia, Gdańsk, Warszawa, or Łódź 📃 Skills: Python, Flask, REST, LLM, Docker, JavaScript, PostgreSQL, SQLAlchemy, React, CSS, SCSS, pytest, CI/CD, Git, TypeScript, Redux, Zustand, SharePoint, Artifactory, JFrog, Kubernetes, AWS 🏢 Description: Salary: 1100-1300 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2/3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project We are looking for a forward leaning developer to work closely with Product Owners, Solution Architects and Analysts to refine epics, user stories and business requirements into technical design and working software, with high development standards and to implement some of the industry best practices. Key topics in scope include data transformation as well as AI driven data enrichment, where the overall solution objective is to overlook that all parties involved act according to rules and regulations. And importantly, that this is done as efficiently as possible using modern ways of automation, including but not limited to AI. This involves building data integrations and data transformation logic, reading from and writing to various databases and APIs, securing data completeness and data reconciliations, building microservices and deployment pipelines, and utilizing LLMs both in the actual solutions (e.g. data enrichment) and for support in your role as developer. Responsibilities you'll have Develop and maintain scalable applications, APIs, and microservices using Python and modern frameworks. Collaborate with Product Owners, Architects, and Analysts to transform business requirements into technical solutions. Build and optimize data integrations, transformation processes, and AI-powered data enrichment capabilities. Ensure data quality, consistency, and reliability across databases, APIs, and enterprise systems. Develop and maintain CI/CD pipelines, automated tests, and deployment processes. Support the adoption of AI, automation, and engineering best practices to improve business processes and software quality. Work closely with stakeholders in an international environment to deliver efficient and innovative solutions. To succeed in this role, we believe that a candidate: is a team player who enjoys collaboration in a multicultural environment has a genuine interest to learn and develop within the area is appreciated for your positive approach and ability to turn challenges in to opportunities is good at engaging stakeholders at different levels is a skilled engineer at heart with passion for developing solutions and take pride in seeing your efforts paying off in form of a great business application Expected competences and knowledge Advanced knowledge in Python development and configuration Advanced knowledge of Flask (or similar) frameworks Advanced knowledge of REST APIs Intermediate LLM experience Intermediate Docker experience Intermediate JavaScript experience Intermediate knowledge of PostgreSQL and SQLAlchemy Familiarity with React Familiarity with CSS and SCSS Ability to write tests (preferably with pytest) Experience with CI/CD and creating pipelines Experience with Git Technologies you'll work with Experience with AI tooling Familiarity with TypeScript Familiarity with web components Familiarity with Redux/Zustand Experience with SharePoint API Experience with Artifactory (JFrog) Experience with Kubernetes Experience with cloud services (AWS) Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: B2B contract role for a Front-End Developer in a financial project focused on building and maintaining modern Angular applications consuming REST APIs. The position involves developing user-friendly solutions, integrating with data processing systems, and collaborating within an international team. Hybrid work model with strong emphasis on code quality and application optimization. 🗂️ Requirements: Experience with Angular Framework, Strong knowledge of TypeScript, Strong knowledge of JavaScript, Experience working with REST APIs, Expertise in Hadoop, Expertise in MapReduce, Ability to analyze and debug applications, Experience in data processing, Ability to optimize and reuse existing code, Experience working in software development teams 📃 Skills: Angular, TypeScript, JavaScript, REST, Hadoop, MapReduce 🏢 Description: Salary: 600-900 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (3 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on developing and maintaining modern front-end applications that consume REST APIs, supporting business processes and delivering user-friendly solutions for financial stakeholders. Responsibilities you'll have Designing, creating and maintaining front-end applications to consume REST APIs Writing code in accordance with application requirements Working as a member of a software development team to ensure high-quality standards Explaining complex technical topics in a clear, simple way for non-technical audiences Debugging and troubleshooting applications Making suggestions for enhancements to application procedures and infrastructure Collaborating effectively across teams and contributing to a positive work environment Building strong relationships and maintaining trust with team members and business stakeholders Expected competences and knowledge Experience with Angular Framework Strong TypeScript and JavaScript knowledge Expertise in Hadoop and MapReduce Strong communication skills Team player mindset with proven collaboration skills Ability to analyze and debug applications effectively Experience in working with REST APIs and data processing Capability to reuse and optimize existing code Proactive approach to improving processes and solutions Technologies you'll work with Angular Framework TypeScript JavaScript REST API Hadoop MapReduce Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Full-stack Developer role in the Cards Domain focused on modernizing financial systems through scalable microservices, distributed architectures, and integrations with legacy and target platforms. The position involves backend and frontend development using Java and Angular/React, event-driven solutions, and cloud-native technologies in a hybrid work model. 🗂️ Requirements: Minimum 2 years of frontend experience, Minimum 5 years of Java development experience, Experience with microservices architecture, Knowledge of event sourcing architecture patterns, Experience building distributed and scalable applications, Hands-on experience with Angular or React, Experience with Spring Framework, Knowledge of Docker and Kubernetes, Experience with REST APIs, Experience with Kafka, MQ and SQL, Experience integrating RESTful and SOAP/OSB services, Familiarity with Jenkins and Argo CD, Understanding of XML, JSON and Avro, Experience with Git, English level B1+/B2, Experience working in Agile/Scrum, Familiarity with Oracle DB integration 📃 Skills: Java, Spring, SpringBoot, Angular, React, Kafka, Kubernetes, Docker, REST, SOAP, OSB, Oracle, SQL, MQ, Jenkins, ArgoCD, Git, XML, JSON, Avro 🏢 Description: Salary: 1100-1450 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk / Warszawa / Łódź (2 days per week from the office) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis Scandinavian organizational culture will provide you with work-life balance, you will gain time for additional training (financed by Jit) The Jit community will bring you a nice time during regular integration meetings Project You will be involved in a financial project focused on the modernization and development of solutions within the Cards Domain. The project aims to build and maintain scalable microservices-based applications , integrate existing systems with the target platform, and support the transition from legacy solutions through translation and routing mechanisms. As a Full-stack Developer , you will work on both frontend and backend components, contributing to event-driven and distributed architectures while ensuring high performance, reliability, and seamless integration with multiple internal systems and services. Responsibilities you'll have Designing and developing a full-stack application Integration between existing applications and Cards target platform for Cards Domain Translation/routing mechanisms from old to new systems Developing microservices with Angular, REST APIs, Kafka/MQ/Oracle DB integration Ensuring the best possible quality and responsiveness of the applications Cooperation with internal/external stakeholders to implement the best possible solutions Expected competences and knowledge Minimum 2 years of front-end experience Minimum 5 years of Java Software Development experience Practical knowledge of event sourcing architecture patterns, microservices architecture , clean code and continuous integration Experience in building distributed, highly scalable and high throughput applications Knowledge and hands-on experience with Angular/React, Spring Framework, Docker, Kubernetes, REST, Kafka, MQ and SQL Experience with integrations towards RESTful and SOAP/OSB services Familiarity with DevOps tools such as Jenkins and Argo CD Understanding of data standards such as XML, JSON and Avro Experience with Kafka streaming platform and schema registry concepts Experience with version control tools such as Git English at B1+/B2 level Agile/Scrum methodology experience Familiarity with Oracle DB integration Technologies you'll work with Java Spring Boot Angular / React Kafka Kubernetes MQ REST APIs SOAP / OSB Services Oracle Database SQL Docker Jenkins Argo CD Git XML JSON Avro Client – why choose this particular client from the Jit portfolio? Jit Team has had an over-decade-long relationship with the leading financial group in the Nordic countries, and we are privileged to be our client's premier partner in Poland. At present, over 200 Jit personnel are engaged in the completion of more than 60 projects for this Norwegian major provider of financial services with a global presence and a strong focus on modern technology. Our customer's work atmosphere is epitomized by the Scandinavian culture , which is conducive to people who place emphasis on work-life balance and feedback culture . Furthermore, all projects are executed in international teams, giving constant exposure to the English language. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.