Mobile Developer (Android + iOS) - short-term project

🏢 Summary: B2B mid-level Flutter Developer role to build a greenfield fintech platform in the banking domain, focusing on mobile applications and frontend architecture. You will design and develop Flutter-based mobile solutions integrated with a React web layer, collaborating in a cross-functional team. The position offers real impact on architecture and core frontend services in a large-scale financial project. 🗂️ Requirements: Commercial experience with Flutter, Experience building mobile applications for Android and iOS using Flutter, Understanding of frontend architecture, Knowledge of state management patterns, Experience integrating REST APIs, Ability to design scalable and performant UI, Experience with code reviews and clean code practices 📃 Skills: Flutter, React, REST, Android, iOS, GCP, CI/CD, APIs, State-management 🏢 Description: Salary: 500-900 PLN/MD (B2B contract) 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 Flutter Developer , you will be part of a cross-functional squad responsible for designing and developing the mobile layer and parts of the frontend ecosystem 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. The project involves Flutter-based applications integrated with a React-based web layer , giving you exposure to both mobile and web frontend ecosystems. Responsibilities you'll have Design, develop, and maintain mobile applications using Flutter Collaborate with React developers on shared frontend architecture and API integration Build performant and scalable UI across mobile and web-integrated solutions Translate business requirements and UI/UX designs into clean, maintainable code Integrate 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 cross-platform frontend standards and patterns Communicate progress, blockers, and technical decisions in English Expected competences and knowledge Solid commercial experience in Flutter development (mid-level) Hands-on experience building mobile applications with Flutter (Android/iOS) Understanding of frontend architecture and state management patterns Experience with REST API integration Fluent English ( spoken and written) Availability to work from the office 3 days per week (Warsaw, Kraków, Tricity, or Rzeszów) Nice to have: Experience with React Familiarity with Google Cloud Platform (GCP) 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 Flutter React REST APIs GCP 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. Wymagania Oczekujemy Oferujemy

🏢 Summary: B2B contract role for an experienced Android Mobile Engineer to design and develop scalable native applications for a large-scale e-commerce platform. The position focuses on building high-quality Android apps using Kotlin and Jetpack Compose, with strong ownership over architecture and engineering standards. Work is in an elastic hybrid model with long-term cooperation on a high-traffic system. 🗂️ Requirements: Fluent Kotlin and Jetpack Compose experience, Strong knowledge of Android SDK and native Android development, Practical knowledge of OOP, algorithms, and data structures, Experience with Gradle build system, Experience with CI systems, Ability to design scalable and maintainable mobile architecture, English at B2 level 📃 Skills: Kotlin, Jetpack, Compose, Android, SDK, Gradle, CI/CD, OOP, TDD, KMM, Copilot 🏢 Description: Salary: 800 - 1080 PLN/MD + VAT (B2B) Remote: elastic hybrid from Warsaw (1-2 times per week) Why choose this offer? Impact on the development of the largest e-commerce system in Poland You can expect a flexible work organization Long-term cooperation within a stable ecosystem The Jit community will bring you a nice time during regular integration meetings Project We are looking for an experienced Mobile Engineer (Android) to join a newly established team dedicated to one of Poland’s leading e-commerce companies. In this role, you will combine strong technical expertise with autonomy in delivering high-quality native Android applications . You will play a key role in shaping the architecture, development standards, and engineering practices within the team, working on modern, scalable mobile solutions. You will design, build, and optimize Android applications using Kotlin and Compose, ensuring smooth performance, maintainability, and scalability. In addition to hands-on development, you will contribute to technical initiatives, best practices, and team knowledge sharing in a collaborative, innovative environment. Expected competences and knowledge Fluent in Kotlin and the Compose framework for UI In-depth knowledge of Android SDK and native Android development Practical knowledge of Object-Oriented Programming (OOP), algorithms, and data structures Familiarity with Gradle build processes and experience with Continuous Integration (CI) systems High degree of autonomy in organizing work and strong problem-solving skills Good communication skills in English (B2-level) Nice to have: Experience with modular architecture, e.g., Kotlin Multiplatform Mobile (KMM) Experience working with large codebases Practical knowledge of Test-Driven Development (TDD) and Pair Programming Experience with AI-aided software development, like Copilot Technologies you'll work with Kotlin Jetpack Compose Android SDK Gradle & CI/CD tools TDD AI-assisted development tools Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. 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: Remote B2B role for a Mobile Developer to build and optimize advertising components in a large-scale Android e-commerce application. The position focuses on native Android development combined with WebView-based ad integrations in a performance-critical environment. You will ensure high app performance while integrating JavaScript-driven advertising solutions. 🗂️ Requirements: 3+ years commercial experience in native Android development with Kotlin, Strong knowledge of mobile architecture patterns (MVVM, MVI, Clean Architecture), Hands-on experience with Android WebView and native-to-web communication, Solid knowledge of JavaScript, HTML and CSS, Experience with REST APIs and asynchronous programming, Ability to write unit and integration tests, Strong understanding of software engineering principles, Knowledge of data structures and algorithms 📃 Skills: Kotlin, Android, WebView, JavaScript, HTML, CSS, REST, Git, MVVM, MVI, CleanArchitecture, Asynchronous, UnitTesting, IntegrationTesting, DataStructures, Algorithms 🏢 Description: Salary: 960 - 1200 PLN/MD + VAT (B2B) Work Model: remote Why choose this offer? Impact on the development of the largest e-commerce system in Poland You can expect a flexible work organization The Jit community will bring you a nice time during regular integration meetings Project We are looking for a Mobile Developer to support a project in the Advertising domain for one of Poland’s leading e-commerce platforms. The engineer will work within a team responsible for the technological layer of ad delivery in a large-scale mobile application. You will contribute to building and optimizing advertising components in a performance-critical environment, balancing monetization goals with excellent user experience. This includes ensuring that advertising scripts and integrations do not negatively impact application performance (e.g., blocking the main thread). We are looking for a hybrid-minded developer who understands both native mobile development and web-based ad technologies—especially JavaScript execution within WebView contexts—while maintaining a strong foundation in the native Android stack. Expected competences and knowledge 3+ years of commercial experience in native Android development (Kotlin) Strong understanding o f mobile application architecture patterns (e.g., MVVM, MVI, Clean Architecture) Hands-on experience with Android WebView , including native-to-web communication Solid understanding of JavaScript, HTML, and CSS Experience with REST APIs and asynchronous programming Ability to write unit and integration tests Strong understanding of software engineering principles, data structures, and algorithms Proactive problem-solving mindset and passion for building high-quality user experiences (UX) Nice to have : Experience with high-traffic mobile applications Knowledge of RxJava/RxKotlin, Coroutines, or Jetpack Compose Familiarity with A/B testing Open-source contributions or active GitHub profile Experience in Agile/Scrum environments Technologies you'll work with Kotlin (Android) JavaScript HTML / CSS Android WebView REST APIs Git Jetpack Compose Coroutines / RxJava Client – why choose this particular client from the Jit portfolio? Our Client dominates the Polish e-commerce arena as the market leader since 1999 . With a user base of over 20 million and growing, this well-established platform is at the forefront of e-commerce, constantly striving for growth through market expansion and investment. As a major player in technology, our Client boasts a talented IT team of over 1,000 employees who focus on developing their own cutting-edge technologies. Jit Team has had a successful partnership with our Client since spring 2021 , with multiple software development teams dedicated to our Client's platforms. These teams operate autonomously, designing platform components through micro-services. Working with our Client offers a chance to contribute to a solution used by millions on a daily basis and to tackle the challenge of delivering software at a massive scale , where even a single second of delay can have a significant impact. This project provides a unique opportunity to work with state-of-the-art technologies and tools, making it a rare and valuable experience. 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-focused Software Developer role in a long-term project for a UK-based digital payments platform, building scalable and secure customer-facing applications. The position involves developing and enhancing Angular and Flutter applications with exposure to backend services and cloud solutions. You will work in cross-functional Agile teams delivering high-quality, business-driven technical solutions. 🗂️ Requirements: Minimum 3 years commercial experience in software development, Strong hands-on experience with Angular, Strong hands-on experience with Flutter, Very good knowledge of HTML, Very good knowledge of CSS, Very good knowledge of TypeScript, Very good knowledge of JavaScript, Experience with C#/.NET backend development, Practical knowledge of SQL Server, Understanding of NoSQL databases, Experience with RESTful APIs, Experience with unit testing, Experience with debugging, Experience working in Agile/Scrum, Experience using Git 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, REST, Git 🏢 Description: Salary: 600-800 PLN/MD net+vat B2B Work model: remote Why choose this offer? Work on real, customer-facing products used daily by clients in the UK and beyond Join a stable yet fast-evolving organization that combines corporate maturity with a tech-driven mindset Be part of a collaborative, product-focused team that values quality, ownership, and innovation Enjoy a people-first culture guided by FAIR™ values: Future-proofing, Approachability, Integrity, and Responsibility Project You will join a long-term project for a UK-based software and payments company delivering integrated digital platforms. The project focuses on building and enhancing scalable, secure, and user-friendly applications that support payment processing, digital services, and internal business operations. You’ll work in cross-functional Agile teams, closely cooperating with Product Owners, Designers, and other Engineers to translate business requirements into high-quality technical solutions. The role has a strong frontend focus (Angular & Flutter) while also giving exposure to backend services and cloud-based solutions. Expected competences and knowledge Minimum 3 years of commercial experience in software development Strong hands-on experience with Angular and Flutter Very good knowledge of HTML, CSS, TypeScript, and JavaScript Experience supporting backend development using C#/.NET Practical knowledge of SQL Server and understanding of NoSQL databases Familiarity with RESTful APIs , unit testing, and debugging Experience working in Agile/Scrum teams and using Git Strong communication skills, problem-solving mindset, and attention to detail Technologies you'll work with Angular Flutter TypeScript, JavaScript C#/.NET SQL Server NoSQL Client – why choose this particular client from the Jit portfolio? JIT Team has recently started a collaboration with this UK- based software and payments company , employing over 900 people and operating its Polish office in Krak ów . The organization specializes in integrated software, payment solutions , and digital services. At the core of they're culture are the FAIR ™ values — Future-proofing, Approachability, Integrity, and Responsibility — which guide everyday decisions and long-term strategy. T hey combine the agility of a tech-driven environment with the stability of an established leader, fostering a collaborative and innovation-focused workplace. 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: Junior-level role in a project building a high-performance, scalable messaging platform for financial institutions, focused on message transport, transformation, routing, and monitoring in a critical environment. The position offers hands-on experience with enterprise financial systems and development toward Java backend or DevOps paths. Work is in a hybrid model with on-call support in a time-sensitive setup. 🗂️ Requirements: Basic experience in Java, Interest in DevOps, Good command of English (spoken and written), Availability for on-call support (rotational shifts), Ability to work in time-sensitive environments, Problem-solving skills, Willingness to work on-site 2 days per week 📃 Skills: Java, Spring, SpringBoot, Kubernetes, OpenShift, Docker, ActiveMQ, IBMMQ, Elasticsearch, PostgreSQL, DB2, ArgoCD, GitOps, Incentage 🏢 Description: Salary: 252 - 350 PLN/ day net + vat (B2B/Civil contract) Remote: elastic hybrid from our office in Gdynia/Gdańsk (2 days per week on-site) Why choose this offer? International working environment High level of autonomy and collaboration within the team Scandinavian organizational culture supporting real work-life balance Opportunity to learn how financial products and markets operate Project You’ll join a project focused on building a robust, scalable, high-performance messaging platform for financial institutions. The system handles message transport, data transformation, routing, validation, sequencing, and monitoring. It’s a critical, high-throughput environment where reliability matters and attention to detail makes a real impact. Expected competences and knowledge Junior level with strong learning mindset): Basic experience in Java (commercial or solid personal projects) Interest in DevOps, with an eagerness to learn Good command of spoken and written English Problem-solving mindset and ability to react quickly to issues Responsibility and readiness to work in time-sensitive environments Openness to collaboration and knowledge sharing (tech + business teams) Availability for on-call support (morning/evening shifts on rotation) Nice to have: Spring Boot Kubernetes / OpenShift Docker Messaging systems (Apache ActiveMQ, IBM MQ) Elasticsearch Databases (PostgreSQL, DB2) GitOps (ArgoCD) Experience with low-code platforms (e.g., Incentage IMS) What you gain: Exposure to real-world, large-scale financial systems Fast learning curve in a complex enterprise environment Supportive team that helps you grow (no “figure it out alone” culture) Development path toward Java backend / DevOps / Site Reliability Engineer Technologies you'll work with Spring Boot Kubernetes / OpenShift Docker Messaging systems (Apache ActiveMQ, IBM MQ) Elasticsearch Databases (PostgreSQL, DB2) GitOps (ArgoCD) Low-code platforms (e.g., Incentage IMS) Client – why choose this particular client from the Jit portfolio? Jit Team is proud to partner with one of the leading European financial groups responsible for the registration, ownership records, and financial settlement of securities traded on financial markets in Norway and recently extended to other European markets. Jit Team has been a strategic partner to our client in the area of software development since 2017 . Over the course of the partnership, Jit Team's dedicated team working for our client has grown from three to over 30 people , who have worked on the modernization of legacy applications, the implementation of new systems, and the development of a private cloud-based platform to host a variety of financial systems . 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 Java Developer role in the KYC domain focused on designing and developing backend applications within a modern microservices architecture. The position involves building RESTful services, implementing testing strategies, and containerizing applications using Docker in an agile environment. The project operates on a modern Java stack with opportunities to work on scalable financial systems. 🗂️ Requirements: Minimum 5 years commercial experience with Java, Strong experience with Spring Boot, Proficiency in modern Java features, Experience designing and developing microservices, Experience building REST APIs and service communication, Experience with Docker and containerization, Ability to write unit and integration tests, Experience with relational databases, Understanding of Agile methodologies 📃 Skills: Java, Spring, SpringBoot, Microservices, REST, Docker, PostgreSQL, MsSQL, Kubernetes, AWS, GCP, Swagger, OpenAPI, SQL, JUnit 🏢 Description: Salary: 1000 - 1300 PLN/day on B2B Work model: Gdynia / Gdańsk / Warszawa ( 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 an experienced Senior Java Developer to join a modern technology stack and a team working within the KYC (Know Your Customer) domain . Responsibilities you'll have Design and develop backend applications using Java, leveraging modern language features (e.g., records, pattern matching, virtual threads) Write clean, maintainable, and testable code following best practices (Clean Code, SOLID principles) Implement unit and integration tests Build and maintain communication between services (REST APIs, messaging) Build and maintain Docker images and manage containers Expected competences and knowledge Min. 5 years of commercial experience with Java and Spring Boot Strong proficiency in modern Java features (e.g., records, pattern matching, virtual threads) Microservices Architecture : Familiarity with designing, developing, and deploying microservices Docker: Experience containerizing applications and managing Docker images/containers Proficient in writing clean, maintainable, and testable code Understanding of software development lifecycle and agile methodologies Database: Experience with relational databases (e.g., PostgreSQL, MsSQL) Additional skills Knowledge of Kubernetes or other container orchestration tools Exposure to cloud platforms (e.g., AWS, GCP) Experience with API documentation tools (e.g., Swagger/OpenAPI) 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.

🏢 Summary: Technical leadership role for an experienced Flutter developer to lead a mobile team, maintain and evolve an existing app portfolio, and drive migration to a new architecture. The position combines hands-on Flutter development with architectural decision-making and code quality ownership. Focus is on delivering scalable, high-quality mobile solutions for Android and iOS. 🗂️ Requirements: 5+ years mobile app development for Android or iOS, 3+ years hands-on Flutter experience, Strong knowledge of Dart and asynchronous programming, Experience with REST APIs and sockets, At least one Flutter app released to production, Understanding of mobile architecture and best practices, Solid knowledge of OOP and SOLID principles, Experience in technical leadership or senior role with team responsibilities, Commitment to clean, maintainable code and code reviews 📃 Skills: Flutter, Dart, Android, iOS, REST, Sockets, RxDart, Streams, OOP, SOLID, Architecture, Async, AppStore, GooglePlay 🏢 Description: We are seeking an experienced Lead Flutter Developer to join our team and assume a technical leadership position. You will coordinate and mentor the mobile development team, maintain our current app portfolio, and guide the transition to a new architecture. If you have a passion for mobile technologies, proven leadership abilities, and aim to make a significant impact on our products and solutions, we encourage you to apply. Responsibilities Lead the mobile development team to ensure smooth operations and achievement of project goals Coordinate team efforts and foster collaboration to meet deadlines and deliverables Maintain the existing app portfolio and contribute to the migration toward a new architecture Improve team processes by participating in planning, grooming, technical discussions and estimations Conduct regular code reviews, provide constructive feedback and support team members through coaching and mentoring Make architectural decisions to ensure solutions align with business and technical requirements Promote knowledge sharing and best practices while encouraging new ideas across the team Requirements At least 5 years of experience in mobile app development for Android or iOS Understanding of mobile architecture and platform-specific best practices Experience with REST APIs and sockets Minimum 3 years of hands-on experience with Flutter and knowledge of Dart, including async programming with Streams or RxDart At least one Flutter app released in production on the App Store or Google Play Background in OOP and SOLID principles Commitment to clean, maintainable code and supporting others in achieving the same Experience in a development team leadership role or a senior position with team responsibilities Strong communication skills and a collaborative mindset We offer/Benefits We gather like-minded people: Engineering community of industry professionals Friendly team and enjoyable working environment Flexible schedule and opportunity to work remotely within Poland Chance to work abroad for up to 60 days annually Business-driven relocation opportunities We provide growth opportunities: Outstanding career roadmap Leadership development, career advising, soft skills, and well-being programs Certification (GCP, Azure, AWS) Unlimited access to LinkedIn Learning, Get Abstract, Cloud Guru English classes We cover it all: Stable income (Employment Contract or B2B) Participation in the Employee Stock Purchase Plan Benefits package (health insurance, multisport, shopping vouchers) Strategically located offices featuring entertainment and relaxation zones, table tennis and football, free snacks, fantastic coffee, and more Referral bonuses Corporate, social and well-being events Please, note: The set of bonuses might vary based on the role you apply for – specifics will be discussed with our recruiter during the general interview. We will reach out to selected candidates exclusively. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

🏢 Summary: Senior Flutter Engineer role focused on designing and developing enterprise-grade mobile applications used globally. The position involves building scalable, secure, and high-performance Flutter apps integrated with backend services and enterprise systems. You will collaborate with cross-functional teams to deliver robust mobile architectures and maintain high code quality standards. 🗂️ Requirements: 5+ years of mobile application development experience, 3+ years of experience with Flutter and Dart, Strong knowledge of Flutter SDK and mobile architecture, Experience with scalable and modular mobile architectures, Experience with Clean Architecture, BLoC/Cubit or MVVM, Knowledge of Kotlin or Swift, Experience with native integrations and platform channels, Experience integrating REST APIs and backend systems, Strong knowledge of state management in Flutter, Experience with OAuth2 and OpenID Connect, Experience with Git, CI/CD and automated testing, Experience working in Agile/Scrum environments, Fluent English and Polish 📃 Skills: Flutter, Dart, FlutterSDK, REST, OAuth2, OpenIDConnect, BLoC, Cubit, MVVM, Kotlin, Swift, Git, CICD, Android, iOS, Azure, AzureAD, EntraID, MicrosoftGraph, WebView, PWA 🏢 Description: We build innovative digital products for the modern workplace in the Cloud, and we need your help. Our platform is used by hundreds of thousands of employees worldwide. We are looking for a Senior Flutter Engineer who will help us design and develop high-quality mobile applications used by enterprise clients around the globe. You will work closely with backend, security, and DevOps teams to build scalable and secure mobile solutions. Key responsibilities: designing and developing enterprise-grade mobile applications using Flutter and Dart, building scalable and modular mobile architectures, integrating mobile applications with backend services and REST APIs, implementing authentication and authorization mechanisms (OAuth2, OpenID Connect), ensuring high standards of code quality through code reviews, testing, and CI/CD, optimizing application performance, responsiveness, and UI rendering, collaborating with backend, security, UX, and DevOps teams, supporting the team in architectural and technical decisions. Apply if you have: 5+ years of experience developing mobile applications, at least 3 years of experience with Flutter and Dart, strong knowledge of Flutter SDK and mobile application architecture, experience designing scalable mobile applications, experience with architectural patterns such as Clean Architecture, BLoC/Cubit or MVVM, knowledge of native Android (Kotlin) or iOS (Swift), ability to implement native platform integrations and bridge Flutter with iOS/Android layers, experience integrating mobile apps with REST APIs and backend systems, strong knowledge of state management in Flutter (Bloc, Provider or similar), experience with authentication and authorization mechanisms (OAuth2, OpenID Connect), experience with Git, code review, CI/CD and automated testing, attention to performance, UI quality, and responsive mobile design, experience working in Agile / Scrum teams, strong communication skills and ability to work collaboratively, a good command of written and spoken English and Polish. Nice to have: experience integrating mobile apps with enterprise systems, experience with Azure ecosystem (Azure AD / Entra ID, Microsoft Graph), knowledge of mobile application security best practices, experience with WebView and PWA integration. We offer: work on a platform used by hundreds of thousands of employees worldwide, access to the latest technologies and tools, multidirectional professional development, certifications and knowledge-sharing opportunities, flexible work model (remote, hybrid or on-site), benefits package (private medical care, Multisport card).

🏢 Summary: Senior Frontend Developer with strong .NET background to design and build a financial web application (Economic Profitability Calculator) in an Agile environment. The role focuses on Angular-based frontend development with backend support in .NET, ensuring high code quality and CI/CD automation. Hybrid work model with close collaboration with Product Owner and domain experts. 🗂️ Requirements: 8+ years of experience with Angular, 5+ years of experience in web development (HTML, JavaScript, TypeScript, CSS), 3+ years of experience in .NET and C# web development, 3+ years of experience with SQL, 2+ years of experience with Docker and Kubernetes, Experience with CI/CD process automation, Experience working in Agile environment, English proficiency minimum B2 level 📃 Skills: Angular, TypeScript, HTML, JavaScript, CSS, .NET, C#, SQL, Docker, Kubernetes, MSSQL, Dapper, Git, JIRA, Bamboo, Confluence, Bitbucket 🏢 Description: Salary: 900 - 1200 PLN/day on B2B Work model: elastic hybrid from Gdynia / Gdańsk (at least 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 We are looking for a passionate developer with a strong focus on frontend development and a background in .NET to join the Economic Profitability Calculator Team of our financial sector client. You will play a valuable role in designing and building an EPC web application, working closely with Subject Matter Experts and having a real influence on the product. Responsibilities you'll have Designing and implementing EPC business processes with a strong focus on the frontend part Ensuring code quality through high test automation coverage, code reviews, and pair programming Working in an Agile setup Cooperating closely with the Product Owner and Subject Matter Experts Maintaining and extending CI/CD process automation Expected competences and knowledge 8+ years of experience with Angular 5+ years of experience in web development ( HTML, JavaScript, TypeScript, CSS ) 3+ years of experience in .NET and C# web development 3+ years of experience with SQL 2+ years of experience with Docker and Kubernetes Technology enthusiast focused on high product quality and good UX Passion for frontend development with experience in backend development Team-player mindset Willingness to continuously improve competences Good communication skills, including communication in English (min. B2 level) Nice to have Experience with UI test automation Experience with CI/CD tools (Bamboo) Experience using an AI coding assistant Technologies you'll work with Angular TypeScript HTML JavaScript CSS .NET C# Docker Kubernetes MS SQL Server Dapper Git Atlassian Stack (JIRA, Bamboo, Confluence, Bitbucket) 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.

🏢 Summary: Frontend Developer role in a financial project focused on developing and modernizing an Integrated Risk Management Application (IRMA). The position involves building high-quality, user-friendly interfaces and integrating them with backend services in an Agile environment. The role requires strong frontend expertise and collaboration with designers and backend developers. 🗂️ Requirements: Strong knowledge of HTML and CSS, Proficiency in TypeScript (latest versions), Experience with modern frontend frameworks (Vue.js, React or Angular), Understanding of state management concepts, Experience with web components, Experience with REST API integration, Familiarity with Git version control, Experience with unit and end-to-end testing, Ability to work in Agile environment 📃 Skills: HTML, CSS, TypeScript, Vue, React, Angular, State, WebComponents, REST, Git, Testing, Docker, CI/CD 🏢 Description: Salary: 900-1200 PLN/day on B2B Work model: hybrid from Gdynia / Gdańsk (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 modernising client's Integrated Risk Management Application (IRMA), a tool designed to streamline and optimise the management of non-financial risks across the organisation. The goal is to create an intuitive and efficient platform that supports risk management processes across all three lines of defence. Responsibilities you'll have Developing high-quality frontend solutions for a complex financial application Building intuitive and user-friendly interfaces for risk management processes Collaborating in an Agile, fast-paced environment Working closely with designers and backend developers Implementing and maintaining design systems and UI components Integrating frontend applications with REST APIs Writing and maintaining unit and end-to-end tests Expected competences and knowledge Strong knowledge of HTML and CSS Proficiency in TypeScript (latest versions) Experience with modern frontend frameworks ( Vue.js, React or Angular ) Understanding of state management concepts Experience with web components Familiarity with Git version control Experience with unit and E2E testing Nice to have: Knowledge of Docker Familiarity with CI/CD pipelines Understanding of UI/UX best practices Experience with tools like GitHub Copilot Technologies you'll work with HTML / CSS TypeScript Vue.js / React / Angular Web Components State management tools REST APIs Git Testing frameworks (unit & E2E) Docker (nice to have) CI/CD tools (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 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.