Flutter Developer (greenfield project)

🏢 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: Hybrid Delivery Manager role for a greenfield fintech platform in the banking domain, responsible for end-to-end delivery across multiple agile squads. The position focuses on coordinating large cross-functional teams, managing risks and dependencies, and ensuring timely delivery of a large-scale financial system. Offers real impact on processes and collaboration within an international environment. 🗂️ Requirements: Proven experience as Delivery Manager or Project Manager managing multiple agile teams, Experience delivering software projects with teams of 20+ members, Strong knowledge of agile methodologies, Experience in delivery planning, dependency management, and risk management, Ability to manage stakeholder reporting, Solid understanding of software development lifecycle, Fluent English (spoken and written), Availability to work hybrid, 3 days per week in office (Warsaw/Kraków/Rzeszów/Gdańsk) 📃 Skills: Agile, Scrum, SDLC, Java, Spring, Flutter, React 🏢 Description: Salary: 1300-1600 PLN/ MD (B2B) Work model: hybrid, 3 days per week in office (Warsaw/ Kraków/ Rzeszów/ Gdańsk) 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. Expected competences and knowledge: MUST HAVE Proven experience as a Delivery Manager, Project Manager, or similar role managing multiple agile teams simultaneously Experience managing delivery for software development projects with teams of 20+ people Strong understanding of agile methodologies and ability to adapt processes to team needs Experience with delivery planning, dependency management, risk management, and stakeholder reporting Ability to work effectively with technical teams; solid understanding of software development lifecycle, without necessarily being a developer Fluent English ; ability to communicate freely in a professional setting (spoken and written) Availability to work from the office 3 days per week in one of the following locations: Warsaw, Kraków, Tricity, or Rzeszów NICE TO HAVE Prior experience in the financial services or banking domain Experience with greenfield projects and team ramp-up / scaling Experience coordinating between technical and business stakeholders in a multi-squad setup Familiarity with Java/Spring or Flutter/React technology stacks Responsibilities you will have: Own end-to-end delivery across 3 cross-functional squads: planning, tracking, risk management, and reporting Coordinate squad-level work to manage cross-squad dependencies and ensure consistent progress toward project milestones Work with Tech Leads to resolve blockers, manage scope, and maintain realistic delivery timelines Collaborate with the Product Owner and Business Analysts to ensure requirements are clearly understood and properly prioritized Facilitate agile ceremonies and ensure effective team processes (sprint planning, retrospectives, demos) Manage the gradual team ramp-up: coordinate onboarding of new squad members as the team scales Provide regular delivery reports and status updates to project leadership (weekly cadence) Identify delivery risks early and implement mitigation plans Communicate effectively in English with all stakeholders, including technical teams and senior leadership 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: Senior Java Developer role in a greenfield fintech project focused on building a large-scale banking platform from scratch. The position involves designing and developing core backend microservices, shaping architecture, and contributing to technical decisions within a cross-functional agile team. The offer provides real impact on architecture and engineering standards in an event-driven, microservices-based environment. 🗂️ Requirements: Minimum 6 years of commercial software development experience, Strong hands-on experience with Java, Very good knowledge of Spring Boot, Spring MVC, Spring Cloud, Experience with event-driven architectures and asynchronous processing, Experience with microservices architecture, Practical experience with PostgreSQL or other relational databases, Understanding of frontend architecture and React concepts, Experience working in Agile/Scrum methodology, Fluent English, spoken and written 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringCloud, Microservices, PostgreSQL, React, Kafka, GCP, Kubernetes, SQL, REST, Agile, Scrum 🏢 Description: Salary: 1000 - 1300 PLN/MD on B2B Work model: 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 Senior Java Developer , you will join a cross-functional squad (backend and frontend developers, QA, Business Analyst) and work on designing and developing core backend components. This is a greenfield initiative , where architecture, standards, and development patterns are defined from day one. Senior engineers play an active role in shaping technical direction and ensuring high code quality. You will work closely with Delivery Manager in an agile setup. Responsibilities you'll have: Design, develop, and maintain backend services using Java Build and evolve microservices based on the Spring ecosystem Work with event-driven and asynchronous communication patterns Collaborate closely with frontend and platform teams Actively participate in code reviews and ensure high engineering standards Contribute to architectural and technical decision-making Support and mentor less experienced developers Identify and address technical risks and bottlenecks Communicate technical topics effectively in English Expected competences and knowledge: Minimum 6 years of commercial experience in software development Strong hands-on expertise in Java Very good knowledge of Spring (Spring Boot, Spring MVC, Spring Cloud) Experience with event-driven architectures (message brokers, asynchronous processing, events) Practical experience with PostgreSQL or another relational database Experience working in microservices-based environments Understanding of frontend architecture and concepts , with particular focus on React (ability to collaborate efficiently with frontend developers, review high-level solutions, understand integration points and trade-offs) Familiarity with agile methodologies (Scrum / Agile) Fluent English (spoken and written) Nice to have: Experience with React Experience with Kafka or similar streaming platforms Familiarity with Google Cloud Platform (GCP) Experience with Kubernetes and containerized deployments Background in fintech or banking projects Previous work on greenfield systems Technologies you'll work with Java Spring (Boot, MVC, Cloud) PostgreSQL Event-driven architecture Microservices Nice to have: React 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: 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: Manual QA Engineer role in a greenfield fintech platform for the banking domain, focused on ensuring high quality of backend services and frontend applications within a cross-functional team. The position involves designing and executing comprehensive manual tests across web and mobile channels in a high-reliability financial environment. Hybrid work model with real impact on testing processes from project inception. 🗂️ Requirements: Commercial experience in manual software testing (mid-level), Experience in test case design and test planning, Experience with structured testing methodologies, Experience testing web applications, Experience testing mobile applications, Ability to test frontend (UI/UX) and backend (API, database) layers, Experience with functional, regression, integration and exploratory testing, Ability to create and maintain test documentation, Experience with defect reporting and tracking, Fluent English (spoken and written) 📃 Skills: ManualTesting, TestDesign, TestPlanning, FunctionalTesting, RegressionTesting, IntegrationTesting, ExploratoryTesting, API, REST, Postman, Swagger, JIRA, Confluence, SQL, MobileTesting, WebTesting 🏢 Description: Salary: 300 - 500 PLN/MD B2B Work model: e lastic hybrid (3 days per week from the office in Gdynia / Gdańsk / Warsaw / Rzeszów / Kraków) 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 QA Engineer , you will be embedded in a cross-functional squad, responsible for ensuring the quality of both backend services and frontend applications. This is a manual testing role - you will design test strategies, write test cases, execute tests, and work closely with developers and the Business Analyst to catch defects early and maintain a high quality bar. Quality expectations for this project are high. You will be testing financial products and services where correctness and reliability are critical. Responsibilities you'll have Design and execute manual test cases for backend services and frontend applications within your squad Develop and maintain test plans , test scenarios , and test documentation for assigned product areas Perform functional, regression, integration , and exploratory testing across web and mobile channels Collaborate with developers to understand implementation details and identify high-risk areas for testing Work with the Business Analyst to validate that delivered features meet acceptance criteria and business requirements Report, track , and verify defect resolution Maintain clear and actionable defect documentation Coordinate with the QA Lead on testing standards, processes, and cross-squad test coverage Communicate test status, risks , and quality metrics in English to the squad and stakeholders Expected competences and knowledge Solid commercial experience in manual software testing (mid-level proficiency expected) Experience with test case design, test planning , and structured testing methodologies Experience testing web applications and mobile applications Ability to test both frontend (UI/UX) and backend (API, database) layers Strong analytical skills and attention to detail - ability to identify edge cases and non-obvious defects Fluent English - ability to communicate freely in a professional setting (spoken and written) Nice to have Prior experience testing financial services or banking applications Familiarity with API testing tools (Postman, REST-assured, or similar) Basic understanding of Java/Spring backend stack and Flutter/React frontend stack Experience with test management tools (Jira, TestRail, Zephyr, or similar) Experience working in greenfield projects where testing processes need to be established from scratch Technologies you'll work with Postman Swagger REST API JIRA/Confluence SQL 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: B2B Java Backend Developer role in a greenfield fintech project focused on building a large-scale, event-driven banking platform from scratch. The position involves designing and developing backend services and APIs using Spring within a microservices architecture. You will shape core architecture decisions while working in a cross-functional, international team. 🗂️ Requirements: Minimum 3 years commercial experience in Java backend development, Hands-on experience with Spring Boot, Spring MVC or Spring Cloud, Experience with event-driven architecture and asynchronous processing, Experience with relational databases and PostgreSQL, Ability to design database schemas and write SQL queries, Fluent English (spoken and written) 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringCloud, PostgreSQL, SQL, Microservices, EventDriven, Kafka, GCP, Kubernetes 🏢 Description: Salary: 600-900 PLN/MD on 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 backend services from day one Work in an event-driven, microservices-oriented environment 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 Java Developer, you will be part of a cross-functional squad responsible for designing, developing, and delivering backend services for this greenfield product. You will work closely with your Tech Lead, Senior Developer, Business Analyst, and QA Engineer within a mixed frontend-backend squad. This is a unique opportunity to shape the architecture and codebase of a large-scale financial platform from day one, working in an event-driven, microservices-oriented environment. Responsibilities you'll have: Design, develop, and maintain backend services and APIs for the fintech platform in greenfield project Implement business logic in Java using the Spring framework within an event-driven architecture Work with Postgres databases - design schemas, write queries, and ensure data integrity Collaborate within a cross-functional squad (Tech Lead, Senior Developer, BA, QA, Frontend Developers) to deliver product increments Participate in code reviews, technical discussions, and architectural decisions within the squad Write clean, testable, and well-documented code following team standards and best practices Contribute to continuous improvement of development processes and tooling Communicate progress, blockers, and technical decisions in English to team members and stakeholders Expected competences and knowledge: Min. 3 years of commercial experience in Java backend development (mid-level proficiency expected) Hands-on experience with the Spring framework (Spring Boot, Spring MVC, or Spring Cloud) Experience with event-driven architecture (message brokers, asynchronous processing, event sourcing or similar patterns) Working knowledge of Postgres or comparable relational databases (schema design, SQL, migrations) Fluent English - the ability to communicate freely in a professional setting (spoken and written) Nice to have: Experience with Kafka or similar distributed messaging/streaming platforms Familiarity with Google Cloud Platform (GCP) services Experience with Kubernetes (K8s) and containerized deployments Prior experience working in the financial services or banking domain Experience building systems from scratch (greenfield projects) Technologies you'll work with Java Spring (Spring Boot, Spring MVC, Spring Cloud) PostgreSQL Event-driven architecture Nice to have: 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.

🏢 Summary: Hybrid Flutter and React developer role focused on building and maintaining mobile (iOS/Android) and web applications in the e-commerce domain. The position involves developing new features, integrating with backend APIs, and contributing to architectural decisions. The offer emphasizes modern technologies, technical ownership, and impact on product direction. 🗂️ Requirements: Strong experience with Flutter and Dart, Experience building mobile applications for iOS and Android, Knowledge of mobile architectures (MVVM, MVC or similar), Experience integrating REST or GraphQL APIs, Ability to debug and optimize mobile applications, Strong knowledge of React, Proficiency in JavaScript or TypeScript, Experience with modern frontend development (Hooks, state management), Solid knowledge of HTML and CSS, Experience implementing UI based on Figma designs 📃 Skills: Flutter, Dart, React, JavaScript, TypeScript, HTML, CSS, REST, GraphQL, MVVM, MVC, Figma, iOS, Android, Hooks, StateManagement 🏢 Description: Salary: 1000 - 1300 pln/md B2B Work model: elastic hybrid from Gdynia (at least 2 days per week from the office) Why choose this offer? We focus on modern technologies and a flexible approach – working in an environment where efficiency, collaboration, and autonomy matter. An organizational culture driven by innovation , transparency , and strong partnership within the team. The opportunity to work with leading brands in the e-commerce industry. A smaller organizational structure that allows for a real impact on project direction and technology decisions. Responsibilities (Flutter / Mobile) Design and develop mobile applications (iOS / Android) using Flutter Implement user interfaces based on designs and design systems (Figma) Integrate mobile applications with backend services ( REST / GraphQL APIs ) Ensure high code quality, performance, and application stability Participate in mobile architecture and technical decision-making Maintain and further develop existing mobile applications Additional Responsibilities (React / Web Frontend) Develop and maintain web applications using React Implement responsive and user-friendly interfaces Collaborate on building and maintaining shared UI components Integrate frontend applications with backend services and manage application state Competences and knowledge Flutter / Mobile Strong experience with Flutter and Dart Proven experience in building mobile applications for iOS and Android Understanding of mobile application architectures (e.g. MVVM, MVC , or similar) Experience with API integration Ability to debug, optimize, and improve mobile application performance Frontend / React Strong knowledge of React and JavaScript / TypeScript Experience with modern frontend development (hooks, state management) Solid understanding of HTML and CSS (or CSS-in-JS solutions) Nice to Have Experience with publishing applications to App Store and Google Play Familiarity with CI/CD pipelines for mobile or frontend projects Experience with testing ( unit / widget / e2e ) Knowledge of Material Design guidelines Experience working in Agile / Scrum product teams Understanding of backend systems or overall system architecture Client – why choose this particular client from the Jit portfolio? Polish clothing company originating from Gdańsk is one of the notable examples of business success. Over more than thirty years of its existence, it has come a long way from a small local import company to a major player in the apparel market. Today, it operates in over 25 markets , runs a network of more than 2,000 physical stores , and is rapidly expanding its international e-commerce presence. In recent years, the company has been focusing its investments primarily on IT, which has become a key driver of its business growth. 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: Short-term contract for an experienced Mobile Developer to build and maintain cross-platform mobile applications using Flutter for Android and iOS. The role focuses on delivering high-performance, responsive apps with strong architecture and best practices. The project runs until the end of June in an international environment. 🗂️ Requirements: Commercial experience as Mobile Developer (regular or senior level), Strong hands-on experience with Flutter, Experience with Android development, Experience with iOS development, Knowledge of mobile application architecture, Experience in building, testing and releasing mobile apps, Ability to work independently, English proficiency minimum B2 📃 Skills: Flutter, Android, iOS, Dart, Mobile, Git, CI/CD 🏢 Description: Salary: 800 - 1000 PLN/MD + VAT (B2B) Remote: elastic hybrid from Gdynia Why choose this offer? Opportunity to work with an international client from the safety/technology sector 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 Project We are looking for a Mobile Developer (Flutter + Android / iOS) who will join to our client operating in the safety and risk management industry for a short-term project running until the end of June. You will be responsible for developing and maintaining mobile applications across both platforms, ensuring high performance, responsiveness, and a seamless user experience. Expected competences and knowledge Proven commercial experience as a Mobile Developer (regular to senior level) Strong hands-on experience with Flutter and Android / iOS development Solid understanding of mobile application architecture and best practices Experience in building, testing, and releasing mobile applications Ability to work independently and take ownership of tasks Strong problem-solving skills Good communication skills in English - min. B2 level Technologies you'll work with Flutter Android / iOS 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 in a fintech environment focused on developing Java-based backend services and end-to-end features for financial reporting and cash flow calculations. The position involves working with microservices, APIs, frontend integrations, and AI coding tools in a fast-paced, ownership-driven team. Candidates will contribute across backend and frontend layers while supporting CI/CD processes and production releases. 🗂️ Requirements: 5+ years of backend or full-stack development experience, Strong Java proficiency, Experience with REST APIs and microservices, Experience with HTTP integrations, Basic experience with Angular, React, or similar frontend frameworks, Knowledge of PostgreSQL, MongoDB, and Redis, Understanding of CI/CD pipelines and deployment processes, Active usage of AI coding tools, Experience in fintech or financial domain 📃 Skills: Java, REST, Microservices, HTTP, Angular, React, PostgreSQL, MongoDB, Redis, CI/CD, Docker, Kubernetes, AWS, Azure, GCP, Copilot, Cursor 🏢 Description: Salary: 1000 - 1300 PLN/MD on B2B Work model: hybrid from Gdańsk (2 days per week from the office) Availability: ASAP / up to 30 days' notice period Why choose this offer? - Work in a fintech environment on complex financial instruments and calculations - End-to-end ownership – from backend logic to delivering complete features - Broad tech exposure: backend, microservices, and frontend layers (Angular/React) - Work culture focused on ownership, autonomy, and fast delivery Project You will work on a fintech solution focused on complex financial instruments and calculations. The team builds and maintains Java-based backend services and APIs supporting financial reporting, cash flow calculations, and monthly statements. The role involves end-to-end feature delivery, including occasional work on frontend layers (Angular or similar), as well as integrations with third-party services. The project emphasizes accuracy, reliability, and the use of AI coding tools in daily development. Responsibilities you'll have: - Design, develop, and maintain robust backend services and APIs in Java - Deliver end-to-end features (e.g. financial reports, cash statements, calculations) - Work across the stack - including frontend layers (Angular or similar) when needed - Integrate systems with frontend applications and third-party services - Participate in code reviews and ensure high code quality standards - Support CI/CD pipelines and production releases - Actively use AI coding tools (agentic coding, Copilot, Cursor) in daily workflow Expected competences and knowledge: - At least 5 years of experience in backend or full-stack development - Strong proficiency in Java - Experience with REST APIs, microservices, and HTTP integrations - Basic hands-on experience with frontend frameworks (Angular, React, or similar) - Solid knowledge of databases (PostgreSQL, MongoDB, Redis) - Understanding of CI/CD pipelines and deployment processes - Active usage of AI coding tools (required) - Experience in fintech / financial domain (highly preferred) Nice to have: - Experience with microservices architecture - Familiarity with cloud platforms (AWS, Azure, GCP) - Experience with containerization (Docker, Kubernetes) - Experience with automated testing Technologies you'll work with: - Java - REST APIs & Microservices architecture - Angular / React (basic functional usage) - PostgreSQL / MongoDB / Redis - CI/CD pipelines - Docker / Kubernetes (nice-to-have) - Cloud platforms: AWS / Azure / GCP (nice-to-have) 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.

🏢 Summary: B2B role for a senior Fullstack Developer to build a greenfield financial application (Structured Loan Manager / Covenant) in an Agile environment. The position involves developing backend and frontend features, ensuring high‑quality UI/UX, and delivering end‑to‑end tests in close collaboration with business stakeholders. Hybrid work model with strong focus on modern technologies and collaboration. 🗂️ Requirements: Minimum 6 years commercial experience with React, Minimum 5 years experience with JPA, Practical experience with Java and Spring Boot, Experience with Java 17+, Experience in Agile teams, Ability to design and implement UI/UX solutions, Experience with end-to-end testing, Experience breaking down requirements into user stories 📃 Skills: React, Java, SpringBoot, JPA, Java17, Agile, Selenium, Liquibase, Maven, Cucumber, E2E 🏢 Description: Salary: 1000 - 1300 PLN/MD 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 Structured Loan Manager / Covenant , developed by a Structured Finance team in Poland . The application is a greenfield project that is just starting. There is a close and dedicated business team responsible for delivering requirements. The team works in an Agile setup with a strong focus on collaboration and high communication. You will be involved in a financial project Structured Loan Manager / Covenant , developed by a Structured Finance team in Poland. The application is a greenfield project that is just starting. There is a close and dedicated business team responsible for delivering requirements. The team works in an Agile setup with a strong focus on collaboration, transparency, and high communication standards. As a developer, you will work on both backend and frontend development, taking responsibility not only for delivering high‑quality code but also for ensuring a strong user experience in the UI. The role also includes breaking down requirements into stories and delivering end‑to‑end tests . Responsibilities you'll have Developing backend and frontend features within a greenfield application Designing and implementing high-quality user experience in the UI Collaborating closely with the business team on breaking down requirements into stories Implementing application changes and improvements Preparing and executing end-to-end tests Actively participatin g in Agile ceremonies and team communication Expected competences and knowledge React minimum 6 years of commercial experience Practical knowledge of Java and Spring Boot Motivation and readiness to further develop Java and backend skills JPA - minimum 5 years of experience Experience working in Agile teams Nice to have: Selenium Liquibase (database versioning) Maven Cucumber (testing) Technologies you'll work with React Java 17+, Spring Boot, JPA End-to-end testing Maven, Liquibase 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 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.