.NET Developer

🏢 Summary: Senior .NET Developer role focused on designing and maintaining high-performance backend services using .NET and Azure for a scalable electronic components platform. The position involves building resilient cloud solutions, setting up test automation from scratch, and leveraging AI coding assistants in daily development. This is a 100% remote role requiring close collaboration with a US-based Agile team. 🗂️ Requirements: Minimum 8 years of professional experience in .NET development, Strong experience with C#, Experience with Azure cloud ecosystem, Experience with CosmosDB, Practical experience using AI tools in software development, Fluent English, Availability to attend meetings between 17:00 and 19:00 CET, Residence in Poland or eligibility to work in Poland 📃 Skills: .NET, C#, Azure, CosmosDB, Playwright, Selenium, GitHubCopilot, ChatGPT, Cursor, CI/CD, Git, TypeScript, JavaScript 🏢 Description: We are part of an international organization listed on Nasdaq Stockholm, operating in 11 countries. In Poland, we work with full autonomy. We independently choose our technologies, processes, and ways of working while maintaining the highest professional standards. We deliver a wide range of IT projects in Poland and internationally, across multiple domains and technologies. This allows our consultants to develop their competencies and gain experience aligned with their professional ambitions. Our collaboration is built around the CARE philosophy. For us, it means responsible project matching, transparent cooperation, and a long-term approach to professional growth. Join us as Senior .NET Developer Grow in an environment that cares about your development as much as you do. Your responsibilities Designing, developing, and maintaining high-performance back-end services using .NET and C# for an established, scalable system used for selecting electronic components and integrating with manufacturer databases. Working extensively with Azure cloud services and CosmosDB to build, maintain, and monitor resilient solutions. Setting up test automation structures and frameworks from scratch using tools like Playwright or Selenium . Actively leveraging AI coding assistants such as GitHub Copilot , ChatGPT , or Cursor to enhance productivity and troubleshooting, while proactively sharing AI-assisted development practices with the team. Collaborating directly with the US-based team in an Agile environment, actively participating in code reviews, sprint planning, and architectural discussions. Communicating with business stakeholders to understand requirements and translate them into effective technical solutions. Requirements Minimum 8 years of professional experience in .NET development, demonstrating a senior-level mindset and problem-solving capabilities. Experience with C# , the Azure cloud ecosystem, and CosmosDB . Practical experience in using modern AI tools in daily software development and a willingness to promote these practices. Fluency in English to ensure seamless communication with US managers and developers. Flexibility to align with US working hours, specifically attending daily meetings between 17:00 and 19:00 CET. You need to live in Poland and/or be eligible to work here. Nice to have: Background or interest in Electrical Engineering. General understanding of testing practices, CI/CD pipelines, and Git version control. Knowledge in TypeScript or JavaScript. What we offer 100% remote work Work in a Scandinavian culture built on logic and dialogue. Health and sports benefits tailored to your needs. Speed Coaching – short sessions that provide new perspectives and solutions. Sports training, an internal team, and opportunities to take part in competitions. Team events and development-focused meetups.

🏢 Summary: Opportunity for a junior Java developer to work in an agile, international environment delivering high-quality solutions for clients across various industries. The role involves designing, developing, testing, and maintaining reliable code while collaborating with global teams and using modern development practices. Projects include diverse technologies, with a strong Microsoft-based ecosystem and CI/CD practices. 🗂️ Requirements: Bachelor’s or Master’s Degree in Computer Science or related field, 1–3 years of commercial Java development experience, Strong knowledge of object-oriented programming, Understanding of data modelling, Knowledge of design patterns and architectural patterns, Experience with modern system development practices, Ability to perform unit and manual testing, Good English communication skills 📃 Skills: Java, OOP, DataModeling, DesignPatterns, Architecture, UnitTesting, .NET, C#, EntityFramework, MVC, AzureDevOps, Docker, SonarQube, Git, CI/CD 🏢 Description: Are you ready to take on a job in a leading IT services company where you will work alongside professionals from around the world? Take your career to the next level and develop your skills with us. Together, we’ll create strong, sustainable societies, successful companies, and better lives for us all. About the job An agile, international environment Clients from across different domains and industries Find bottlenecks, bugs and devise solutions Unit and manual testing, delivering high-quality solutions Design, develop, and maintain reliable code using the best practices Produce high-quality deliverables Accommodate business and technical requirements Work with different languages and technologies (they vary from project to project), a large part of our tech stack is Microsoft (.NET 6, C#, Entity Framework, MVC) with Azure DevOps, Docker, SonarQube, and Git for CI/CD)). About you: Graduate (Bachelor’s or Master’s Degree) of Computer Science or other related numerate discipline Have at least 1-3 years of commercial Java development experience after graduation Good English skills, both spoken and written Strong understanding of object-oriented programming and data modelling Familiar with various design, architectural patterns and modern system development Open towards and able to quickly learn new technologies Our perks and benefits: Access to the Benefit Platform (Medical Insurance, Life Insurance, Multisport card etc.) Scandinavian work environment Drinks and snacks available at the office Professional IT skills development support Internal training at the Netcompany Academy International cooperation with colleagues from Denmark, Norway, the UK and Vietnam Attractive offices with a great location in Warsaw: Puławska 180 (Metro Wilanowska) and Wronia 10 (Metro Rondo Daszyńskiego) English and Danish lessons at the office In Netcompany we believe that a diverse and inclusive workplace is central to our success, which is why all qualified candidates are invited to apply regardless of gender, sexual orientation, disability, age, religion and belief, ethnic background, nationality, gender identity or culture. We are committed to live out a culture where we provide equal opportunities for all.

🏢 Summary: Development of scalable, cloud-native applications using C#/.NET in a microservices architecture on Microsoft Azure. The role focuses on building high-performance, containerized systems, ensuring quality through CI/CD practices, and optimizing performance in modern cloud environments. Position requires strong engineering expertise and experience in travel-related solutions. 🗂️ Requirements: 5+ years experience with C# and .NET, 3+ years experience developing travel-related solutions, Experience with modern cloud architectures, Expertise in Microsoft Azure, Experience with containerized applications, Experience with SQL and NoSQL databases, Strong knowledge of microservices architecture, Understanding of API design principles, Knowledge of clean architecture and SOLID principles, Experience with CI/CD practices 📃 Skills: C#, .NET, Azure, SQL, NoSQL, Microservices, Containers, APIs, CI/CD, SOLID 🏢 Description: Our Client is a rapidly growing European technology company developing advanced digital solutions used by thousands of customers worldwide. The organization focuses on building scalable platforms and innovative products that support operational efficiency and business growth. Their engineering teams work in modern cloud environments and emphasize quality, user experience, and continuous delivery. The company operates internationally and continuously invests in product development and technology excellence. 📍 Location: Warsaw - once per week in the office 🚀 Your responsibilities Develop clean, scalable code using C# / .NET in microservices architecture and cloud-native environments Test and deploy systems and applications on Microsoft Azure Monitor and optimize system performance , identifying and resolving issues proactively Act as a technical expert for the system and support other internal teams Work in an Agile squad , with strong focus on user experience, quality assurance, and CI/CD practices Contribute to the engineering culture by sharing knowledge and applying best practices Work on projects that directly impact the company’s growth and product development 🎯 Our requirements 5+ years of professional experience in software development using C# / .NET and modern cloud architectures 3+ years of experience developing travel-related solutions Strong understanding of core software engineering principles and API design Proven expertise in building and managing high-performance containerized applications on Microsoft Azure Experience designing and managing SQL and NoSQL databases Deep understanding of microservices architecture, clean code, clean architecture, and SOLID principles Professional English proficiency ⭐ Nice to have Working knowledge of Angular / AngularJS Familiarity with AI tools supporting development workflows Experience working in Agile / Scrum environments Thank you for all applications. We will contact selected candidates. TQLO Sp. z o.o. – Employment Agency (KRAZ 33580)

🏢 Summary: B2B .NET Developer role focused on developing and maintaining a web-based platform hosted in Azure, including building new features and integrating third-party APIs. The position involves working in a small, independent team delivering increments in short cycles with CI/CD practices. Hybrid work model with one day per week in the office. 🗂️ Requirements: Minimum 2 years experience in web application development, Experience with C# and .NET, Experience with Azure, Experience with AzureFunctions, Experience integrating third-party APIs, Knowledge of CI/CD pipelines, Experience with AzureDevOps 📃 Skills: C#, .NET, Azure, AzureFunctions, AzureDevOps, CI/CD, APIs, Web 🏢 Description: Salary: 500 - 900 PLN / day (B2B) Remote: Hybrid from Gdańsk or Warsaw (1 day from office per week) Why choose this offer? You can expect a flexible work organization The international work environment will give you the opportunity to interact with the English language on a daily basis The Jit community will bring you a nice time during regular integration meetings Project We are looking for a .NET Developer to join our team to develop new functionalities and maintain our Client's web-based platform hosted in Azure. The tasks will include expanding the platform as well as integrating with third-party APIs. We offer work in an independent team focused on delivering value to the Clients in short cycles. Responsibilities you'll have Design, develop, and maintain software using C# Effectively communicate in an English-speaking environment Build and deploy code using CI/CD pipelines Expected competences and knowledge Minimum 2 years of experience in developing web applications Experience in working with Azure, especially Azure Functions and Azure Experience in integrating with third-party APIs Great communications skills Willingness to propose improvements and new solutions Knowledge of CI/DD pipelines in Azure DevOps is a plus Technologies you'll work with .Net Azure API Client – why choose this particular client from the Jit portfolio? Our client is a pioneering Norwegian startup specializing in shore power and energy infrastructure optimization. They transform manual and error-prone operations into automated, accurate, and seamless experiences. With their solutions, ports can automate processes to reduce manual errors, monitor real-time energy consumption, and centralize the management of power connections and billing. This comprehensive approach enhances operational efficiency and reduces costs, positioning our client as an innovative partner in the maritime sector. About Jit Team The Human Factor of IT - it’s not just a slogan, it’s a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 770 experienced experts , to whom we offer developmental projects, a wide range of benefits, and a proprietary professional development programme. Together with clients from around the world, we create innovative IT solutions delivered by highly specialised and efficient teams. Behind our maxim are also charitable and educational activities. We support schools, universities, and educational institutions by conducting workshops, running educational projects, sponsoring events, and donating learning equipment. We offer internships that help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We also support numerous charitable organisations helping people in need, children, and the elderly. We are a Polish company and we share what we have achieved over more than 15 years of activity. By supporting local initiatives, we contribute to the circulation of good energy.

🏢 Summary: Senior .NET Developer role focused on building and architecting cloud-native backend systems with AWS and CI/CD automation. The position involves designing microservices-based solutions, writing high-quality testable code, and contributing across the full project lifecycle in a spec-driven environment. Fully remote B2B contract with long-term cooperation potential. 🗂️ Requirements: Experience with modern .NET / .NET Core, Experience with AWS or Azure, Knowledge of microservices architecture, Knowledge of distributed systems, Ability to design system architecture, Experience writing integration tests, Experience writing end-to-end tests, Familiarity with BDD approach, Experience with CI/CD automation 📃 Skills: .NET, NETCore, AWS, Azure, CI/CD, Microservices, DistributedSystems, C#, BDD, IntegrationTesting, E2ETesting, Architecture 🏢 Description: Join an international IT company specializing in cloud services, managed services, and digital transformation for enterprises. As a Senior .NET Developer with a focus on AWS and CI/CD automation, you will participate in the project by providing backend support to the Tech Lead and a team. Key responsibilities Designing and architecting system components, Writing high-quality, testable code in .NET, Contributing to the development of modern cloud-native solutions, Working across the full project lifecycle (from discovery to delivery), Participating in planning and analysis (discovery, planning), Working in a “spec-driven” approach (based on specifications), Co-creating and refining specifications, acceptance criteria, and architectural decisions. Ideal candidate profile Experience with . NET (Core / modern .NET), Azure or AWS , Knowledge of architecture: microservices, distributed systems, Ability to translate business requirements into technical architecture, Writing integration and end-to-end tests, Familiarity with BDD (Behavior-Driven Development) approach. Conditions Type of cooperation: B2B contract Initial contract duration: 1st June- End of February 2027, with the intention to extend the cooperation or move top performers to another project. Rate: 130 - 160 PLN/h Benefits: Private healthcare, Multisport card and life insurance Work model: 100% remote from any location in Poland Recruitment steps Phone call with a Recruiter - Oliwia (approx. 20 min.) Interview with Client : Introductory conversation with the delivery team: review of your experience vs project needs, light technical questions, and verification of your comfort in a fully English‑speaking, international environment. Introductory interview : discussion of experience in relation to project requirements, technical questions. Final technical interview with Client : in‑depth technical questions, possibly practical task to see how you think, ask questions, and structure solutions. Decision and feedback

🏢 Summary: The role involves designing, developing, and maintaining applications on the .NET platform, including building new solutions and optimizing existing systems. It focuses on delivering high-quality, secure, and scalable software aligned with business needs in an international environment. The position requires active participation in architecture design, performance optimization, and continuous integration and deployment processes. 🗂️ Requirements: Minimum 3 years of experience in .NET development, Knowledge of MVC, Knowledge of REST API, Experience in team-based software development, Strong knowledge of MS SQL, Strong knowledge of ElasticSearch, Experience with Continuous Integration tools, Experience with Continuous Delivery approach, Knowledge of unit testing, Knowledge of integration testing, Very good command of English 📃 Skills: .NET, MVC, REST, MS SQL, ElasticSearch, Git, TeamCity, CI, CD, UnitTesting, IntegrationTesting 🏢 Description: Your responsibilities Design, create and maintain applications using the .NET platform and environment Understand requirements and transform them into functional applications in line with business objectives Maintain and upgrade existing applications and fix issues Rewriting/making changes in existing code structure to increase efficiency and performance Ensure error-free code that adheres to best coding practices Test, monitor, and make better solutions through incremental updates/new features/app optimization Identify bottlenecks and address issues to ensure the best performance Create architecture, specifications, and user interfaces of .Net applications Innovate and build high-quality software solutions leveraging the versatility of the .NET platform Implement best practices and methodologies for security, quality, and development approach Our requirements Min. 3 years of experience in working in the .NET environment; Knowledge of MVC, Rest API; Experience in team software development; Good knowledge of MS SQL and ElasticSearch; Using Continuous Integration tools (Git,Team City) and the Continuous Delivery approach; Knowledge of unit and integration tests; Very good command of the English language (work as part of an international team); Optional Knowledge of Umbraco, Angular, AWS This is how we work on a project Clean Code code quality measures code review design patterns static code analysis Continuous Deployment Continuous Integration Development opportunities we offer conferences abroad conferences in Poland development budget external training industry-specific e-learning platforms intracompany training mentoring soft skills training space for experimenting substantive support from technological leaders support of IT events technical knowledge exchange within the company the company supports open source projects time for development of your ideas What we offer Opportunities for constant development and work on exciting projects, Working in an international environment, English lessons, Attractive remuneration in Euro, Flexible working hours, Fully or partially paid training and development. Benefits sharing the costs of sports activities sharing the costs of foreign language classes sharing the costs of professional training & courses remote work opportunities flexible working time integration events corporate gym corporate sports team corporate library no dress code coffee / tea drinks parking space for employees leisure zone sharing the costs of tourist services sharing the costs of tickets to the movies, theater employee referral program charity initiatives family picnics

🏢 Summary: Remote Senior .NET Engineer role focused on developing, optimizing, and maintaining enterprise applications built on ASP.NET, .NET Core, and .NET Framework. The position involves performance tuning, database optimization, production troubleshooting, and contributing within a cross-functional agile team. Strong emphasis on system reliability, CI/CD practices, and collaboration in an English-speaking environment. 🗂️ Requirements: Bachelor’s degree in Computer Science or related field, Strong experience with .NET technologies (ASP.NET, .NET Core, .NET Framework), Solid experience with MSSQL databases and SQL, Experience with stored procedures and query optimization, Proven experience in debugging and performance optimization, Experience troubleshooting production systems, Familiarity with CI/CD tools (Jenkins, TeamCity, or Azure DevOps), Ability to work in cross-functional agile teams, Strong English communication skills 📃 Skills: C#, .NET, ASP.NET, MSSQL, SQL, StoredProcedures, Jenkins, TeamCity, AzureDevOps, CICD, Debugging, Performance, Git, DevOps 🏢 Description: Salary: up to 1300 PLN/MD on B2B Work model: remote Why choose this offer? Work in an agile and self-sufficient team with autonomy over development Collaborate with an English-speaking, multicultural team The client is one of the European leaders in its field and is building a completely new platform using the latest technologies The Jit community will bring you a nice time during regular integration meetings Enjoy work-life balance in a company that values flexibility and innovation Project We are looking for a highly skilled Senior .NET Engineer to join our dynamic team. In this role, you will focus on developing, improving, maintaining, troubleshooting, and optimizing applications built with ASP.NET, .NET Core, and .NET Framework. Your expertise in MSSQL databases, debugging, and performance improvement will be crucial in ensuring smooth system operations. Our teams follow a T-shaped, cross-functional setup , meaning engineers contribute beyond their primary expertise. You should be comfortable taking on small tasks in different areas , including bug fixes, PR reviews, or DevOps contributions . We value collaboration and adaptability over rigid role definitions. What you'll be doing Develop, improve, maintain and support applications developed in ASP.NET, .NET Core, and .NET Framework Identify and resolve software and database performance issues Optimize SQL queries and stored procedures to improve system efficiency Collaborate with cross-functional teams to debug and resolve production issues Implement performance improvements and ensure application reliability Work with build and deployment tools (e.g., Jenkins, TeamCity, Azure DevOps) Communicate progress and technical updates to stakeholders and team members Expected competences and knowledge Bachelor's degree in Computer Science, Engineering, or a related field Strong development experience in .NET technologies (ASP.NET, .NET Core, .NET Framework) Expertise in troubleshooting production system issues Solid experience with MSSQL databases, SQL, and stored procedures A proactive, problem-solving mindset Previous experience in debugging and performance optimization Familiarity with CI/CD tools such as Jenkins, TeamCity, or Azure DevOps Strong communication skills to interact with both technical and non-technical stakeholders Technologies you'll work with .NET Framework, .NET Core, ASP.NET MSSQL CI/CD Tools Debugging & Performance Optimization Version Control DevOps Contributions Client – why choose this particular client from the Jit portfolio? Our client is a Scandinavian supplier of software and services for purchasing and tendering processes in highly formalized conditions, such as orders in accordance with public procurement law at the level of the European Union or individual member states. The delivery center is located in Utrecht. Client’s platforms allow to announce tenders and conduct the entire procedure of collecting and evaluating offers at every stage of the purchasing process. They are used both by public administration bodies at various levels in European countries and by purchasing departments of large companies and corporations. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 500 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 .NET Developer role focused on building and evolving ATS systems with strong emphasis on architecture, distributed systems, and AI‑assisted engineering. The position combines hands‑on backend development with architectural ownership, promoting responsible and effective use of AI tools in daily development. You will design scalable, secure, and production‑ready systems aligned with real business processes. 🗂️ Requirements: 10+ years experience in backend or distributed systems development, Strong architectural design experience, Hands-on experience with .NET backend development, Experience designing modular monoliths and microservices, Experience with event-driven architectures, Experience integrating external systems with resiliency patterns, Knowledge of DDD, Knowledge of OAuth2 and JWT, Experience ensuring system reliability and scalability, Active use of AI tools in software development, Fluent English (C1+) 📃 Skills: .NET, C#, Microservices, DistributedSystems, EventDriven, DDD, OAuth2, JWT, REST, AI, Architecture, Observability, Scalability, Reliability, Microservices, ModularMonolith 🏢 Description: We are looking for an experienced .NET Developer to join our team working on ATS products for the 7N Group . You will play a key role in building and evolving systems that support real recruitment and business processes at scale. This role goes beyond hands‑on development. We’re looking for someone who will act as an AI advocate within the development team — a person who not only believes in the future of AI‑assisted software engineering, but also understands how to use AI tools effectively, responsibly, and pragmatically in day‑to‑day engineering and architectural work. You will help shape how AI is adopted across the team: accelerating development, improving design quality, and raising engineering standards — while keeping human judgment and accountability at the center. Tasks Use AI tools to accelerate architecture exploration, prototyping, and boilerplate creation Critically evaluate AI‑generated code , especially for distributed‑systems edge cases Own architectural decisions and guide system evolution Design and evolve modular monoliths and microservices , including event‑driven architectures Build reliable integrations with external systems (retries, circuit breakers, versioning) Apply DDD to align system architecture with real business processes Design secure‑by‑default systems (OAuth2, JWT, managed identities, rate limiting) Ensure production readiness through observability and ownership of incidents Expectations 10+ years of experience building backend and/or distributed systems Strong architectural mindset with hands‑on engineering experience Fluent++ English , with the ability and willingness to discuss complex technical topics Actively coding with AI tools and confident they represent the future of software engineering Deep understanding of system reliability, scalability, and failure modes High degree of ownership, self‑motivation, and proactivity in solving problems We offer Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors, Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle, Spectacular integration events, both for you (e.g., Admin and Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres), Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients, Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years, A complete benefits package, including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad. Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors,

🏢 Summary: Mid-Level .NET Developer role focused on building and maintaining online banking applications in a hybrid work model. The position involves developing scalable financial systems, integrating APIs, and ensuring high code quality in an Agile environment. You will contribute to digital transformation initiatives within modern fintech projects. 🗂️ Requirements: Minimum 3 years of experience with C# and .NET (Core, 5/6, Framework), Strong experience with MSSQL, Experience implementing REST APIs, Experience writing unit tests using xUnit and xRay, Knowledge of message queuing systems (RabbitMQ or Kafka), Knowledge of OOP and SOLID principles, Basic knowledge of Kubernetes and Docker, Experience with CI/CD tools, Familiarity with Agile/Scrum methodology, Communicative English proficiency, Legal right to work in the European Union 📃 Skills: C#, .NET, .NETCore, .NET5, .NET6, .NETFramework, MSSQL, REST, xUnit, xRay, RabbitMQ, Kafka, Kubernetes, Docker, OOP, SOLID, CICD, Bitbucket, JIRA, TeamCity, Agile, Scrum 🏢 Description: Unleash Innovation in Financial Technology — Shape the Future of Online Banking! Łódź-based opportunity with a hybrid work model (2 days in the office per month) As a Mid-Level .NET Developer , you will be working for our client, a leader in online banking, on cutting-edge financial technology projects designed to enhance user experience and system efficiency. Join a fast-paced environment where your expertise drives digital transformation and financial innovation. Your main responsibilities: Develop and maintain applications using C#, .NET Core Implement and integrate RESTful APIs Write unit tests to ensure code quality Follow and apply design patterns and best practices such as OOP and SOLID Work with MSSQL databases Collaborate with cross-functional teams using tools like Bitbucket, JIRA, and TeamCity Participate in Agile/Scrum meetings and contribute to sprint planning and review Troubleshoot and resolve complex technical issues You're ideal for this role if you have: At least 3 years of experience with C#, .NET Core, .NET 5/6, or .NET Framework Solid experience with MSSQL Basic knowledge of Kubernetes and Docker Experience in implementing REST APIs Proficiency in writing unit tests with xUnit and xRay Experience with message queuing systems (e.g., RabbitMQ, Kafka) Knowledge of design patterns and best practices (OOP, SOLID) Familiarity with Agile/Scrum methodologies Proficiency with CI/CD tools Strong problem-solving skills and attention to detail It is a strong plus if you have: (optional) Basic knowledge of COBOL Knowledge of WCF, WinForms Language required for the role: Communicative proficiency in English Communicative proficiency in Polish Eligibility to work in Europe: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: The role involves developing and maintaining a large-scale open banking platform focused on secure, high-performance API integrations with European financial institutions. The position centers on backend development in .NET and Java within cloud-based, distributed systems. You will design and optimize secure connectivity solutions aligned with PSD2 standards in an international, collaborative environment. 🗂️ Requirements: Strong experience building backend services using Java and .NET, Approximately 6 years of experience in C# programming, Solid knowledge of Java programming, Strong understanding of API design, Understanding of distributed systems, Experience working in cloud environments, Experience integrating with banks via PSD2 interfaces, Ability to write clean, maintainable, testable code 📃 Skills: C#, Java, .NET, APIs, PSD2, Cloud, DistributedSystems 🏢 Description: Join an international technology team building next-generation open banking solutions used across Europe. Our platform enables secure, reliable, and high-quality connectivity to financial institutions—powering innovative products and services in the digital payments ecosystem. You will work in a highly skilled, collaborative environment alongside teammates located mainly in Denmark, Ireland, and Romania. As a .NET Developer, you will contribute to the development, improvement, and maintenance of a large-scale open banking platform. You will work on advanced API solutions focused on security, data processing, monitoring, onboarding automation, and high-performance connectivity. This role is ideal for engineers who enjoy solving complex problems, working in modern cloud environments, and collaborating with international teams. Our expectations: Strong experience in building backend services (Java + .Net). Approximately 6 years of relevant experience in C# programming. Solid knowledge in Java programming. Solid understanding of API design, distributed systems, cloud environments. Experience in establishing bank connections through PSD2 interfaces. Ability to write clean, maintainable, and testable code. Experience working in fast-paced, product-centric environments. Collaborative mindset and eagerness to work closely with product and engineering peers. Proficiency in English, fluent Polish. Hybrid work 2-3 days per week (Gdansk). Proficiency in English, fluent Polish, Hybrid work 2-3 days per week (Warsaw or Gdansk). Main responsibilities: Design, develop, and maintain APIs and integration modules connecting the platform to thousands of European banks and financial institutions. Collaborate with engineers and product stakeholders to define requirements, set acceptance criteria, and deliver solutions. Contribute to architecture by ensuring scalability, maintainability, and adherence to best practices. Maintain quality through code reviews, testing, and continuous improvement initiatives. Solve complex problems involving performance, distributed systems, and regulatory constraints.