April 25, 2026
AI Lead (with .Net)
Senior • Remote
30,240 - 36,960 PLN
Warsaw, Poland
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,
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Gliwice, Poland
5,500 - 7,000 PLN
🏢 Summary: Junior .NET Developer role focused on supporting the design, development, and maintenance of web and cloud-based applications using .NET, Angular, and AWS technologies. The position involves working with MS SQL databases, contributing to CI/CD pipelines, writing automated tests, and ensuring scalable and stable solutions under guidance. The role emphasizes collaboration, code quality, and adherence to best practices within a cloud-oriented environment. 🗂️ Requirements: Knowledge of .NET Framework, Knowledge of ASP.NET, Knowledge of asynchronous programming, Basic knowledge of RESTful API design, Basic knowledge of AI-powered coding tools, Familiarity with cloud solutions, Familiarity with MS SQL, Understanding of design patterns, Understanding of good programming practices, Basic knowledge of unit testing, Ability to design scalable and stable solutions, Ability to propose and compare technical solutions, English B2 level, Polish B2 level, Familiarity with Git, Understanding of SDLC methodologies 📃 Skills: .NET, ASP.NET, Angular, AWS, MS SQL, REST, Git, CI/CD, UnitTesting, SDLC, AsynchronousProgramming, GitHubCopilot 🏢 Description: Job Description: We are looking for a Junior .NET Developer to join our technology team. As a team member, you will assist in designing, developing, and maintaining applications using dotnet, angular and cloud technologies. The applications we create include Windows services, web applications, and components deployed using native AWS solutions. Responsibilities: Assist in designing, developing and maintaining applications Learn and work with cloud solutions. Write and maintain automated tests under guidance. Contribute to designing and implementing solutions with an emphasis on scalability and stability. Propose technical solutions for presented problems with support from team members. Work with MS SQL databases. Collaborate with other team members and share knowledge. Perform code reviews. Developing CI/CD pipelines. Maintain high code quality following best practices and design patterns. Work closely with Project Managers and other staff members to collect requirements, estimate work, and ensure that projects are delivered according to schedule. Requirements: Knowledge of .net framework and asp.net . Knowledge of asynchronous programming. Basic knowledge of API design principles (RESTful). Basic knowledge of AI-powered coding assistance like GitHub Copilot. Familiarity with cloud solutions. Familiarity with MS SQL databases. Understanding of basic design patterns and good programming practices. Basic knowledge of unit testing. Ability to design scalable and stable solutions with guidance. Ability to propose technical solutions with the comparison of advantages/disadvantages under supervision. English and Polish proficiency at B2 level. Ability to work in a team, good communication skills, and the ability to share knowledge. Familiarity with Git. Understanding of software development lifecycle (SDLC) methodologies. Nice to Have: Experience with AWS Cloud Services. Familiarity with monitoring and logging tools in AWS. Experience with GitHub. Experience with front-end technologies (Angular, AngularJS) is a plus. Understanding of containerization concept. Familiarity with building CI/CD pipelines. We Offer: Full remote position Employment Contract. Stable working environment with a focus on long-term cooperation. Optional English or Spanish lessons. Private medical care (Luxmed). Life insurance (Allianz). Multisport membership. Birthday leave Voluntary days
Technology
emagine Polska
.NET Developer
Senior
Hybrid
Brussels, Belgium
🏢 Summary: The offer is for a Senior .NET Developer with 5+ years of experience to design, develop, and maintain scalable backend applications using modern .NET technologies. The role focuses on building high-quality APIs, contributing to architectural decisions, and ensuring application reliability in cloud-based environments. It involves close collaboration with cross-functional teams and strong engagement in testing, CI/CD, and production support. 🗂️ Requirements: Minimum 5 years of experience with .NET development, Strong experience with C# and .NET Core, Solid understanding of REST APIs, Experience with Entity Framework Core, Strong knowledge of SQL, Experience with cloud platforms (Azure or AWS), Experience with CI/CD pipelines, Experience with Git version control, Experience with unit and integration testing, Experience with message broker systems, Familiarity with agile development practices 📃 Skills: C#, .NET, .NETCore, REST, EntityFramework, SQL, Azure, AWS, CI/CD, Git, UnitTesting, IntegrationTesting, MessageBroker, Angular, Docker, Kubernetes, Microservices 🏢 Description: Summary: We’re looking for a highly skilled .NET Developer with a minimum of 5 years of experience. This role focuses on solving complex problems, building high-quality software, and contributing to a collaborative engineering culture. The candidate should be passionate about clean architecture, modern .NET development, and delivering impactful solutions. Responsibilities: Analyze, design, develop, and maintain applications using .NET / .NET Core. Build scalable backend services (APIs). Collaborate with cross-functional teams (Business, Dev, Infra, etc.). Participate in code reviews to elevate engineering standards. Contribute to architectural decisions and technical roadmaps. Provide business support and monitor applications (level 2 support, incident resolution, and troubleshooting). Key Requirements: Strong experience with C# and .NET Core. Solid understanding of REST APIs, Entity Framework Core, and SQL. Familiarity with cloud platforms (Azure or AWS). Experience with CI/CD pipelines and version control (Git). Strong testing culture: unit tests, integration tests, and production validation. Familiarity with agile development practices. A mindset focused on quality, performance, and maintainability. Experience with a message broker. Nice to Have: Knowledge of microservices architecture. Experience with front-end frameworks (Angular). Background in distributed systems or high-availability environments. Knowledge of Docker & Kubernetes. Experience with Azure functions. Other Details: This position allows for flexibility and may accommodate remote work arrangements. Candidates should be prepared for collaborative team engagements with a focus on delivering high-quality software solutions.
Technology
7N
.Net Developer (desktop apps)
Mid
Remote
Gdansk, Poland
22,680 - 26,040 PLN
🏢 Summary: Remote Mid .NET Developer role in the logistics industry focused on developing and maintaining desktop applications within a complex environment. The position involves enhancing existing systems, deploying to production, and ensuring performance and reliability through continuous improvement. The project runs until the end of 2026 and follows Agile/Scrum methodology. 🗂️ Requirements: Minimum 5 years of commercial experience in .NET development (.NET Framework 3.5–4.7), Strong experience in developing desktop applications using WinForms, Solid knowledge of SQL and Entity Framework, Experience in building and consuming REST services, Experience with Git, Jira, Confluence, and CI/CD pipelines, Experience working in Agile/Scrum environment, Ability to perform testing, debugging, and troubleshooting 📃 Skills: C#, .NET, .NETFramework, WinForms, SQL, EntityFramework, REST, Git, Jira, Confluence, CI/CD, Agile, Scrum 🏢 Description: About the Project We are looking for Mid .Net Developer with experience in developing desktop apps to join a project from logistics industry . Work Mode: remote Start of the project: ASAP Duration of the project: till the end of 2026 Job Responsibilities Design, develop, and maintain .NET-based applications (including desktop solutions), ensuring alignment with business and user requirements Enhance and modify existing systems, working within a complex environment Deploy software to production and ensure its stability, reliability, and performance Continuously improve applications through optimization, refactoring, and performance tuning Collaborate closely with cross-functional teams including engineers, QA specialists, analysts, and Product Managers Participate in Agile/Scrum ceremonies and contribute to continuous improvement initiatives Write and maintain clear technical documentation covering system architecture and implementation processes Report bugs, track issues, and manage tasks using Jira Perform testing, debugging, and troubleshooting to ensure high-quality software delivery Share knowledge and best practices with team members Expectations Min. 5 years of commercial experience in .NET development (primarily .NET Framework 3.5–4.7 ) Strong experience with desktop applications (WinForms) Solid knowledge of SQL, Entity Framework, and REST communication Experience working with development tools and processes: Git, Jira, Confluence, CI/CD, and code reviews Proven ability to take ownership of tasks, quality, and deliverables in an Agile/Scrum environment We offer Ongoing support from a dedicated agent , taking care of your project continuity, client contact, necessary formalities, work comfort and development Consultant Development Program – advice on growth planning based on the latest trends and market needs in IT, including consultations with agents and growth mentors Access to 7N Learning & Development – a development and educational platform with webinars, a library of articles and industry reports, and regular invitations to one-time and recurring development events – technical, business, and lifestyle Spectacular integration events , both for you (e.g., annual Kick-Off trip , Christmas parties, or Summer Olympics sports events) and for your loved ones (e.g., family picnics, movie premieres) Professional development not only during the project – you can get involved in knowledge transfer to others within the 7N Services offering directed at 7N clients Relationships and access to the knowledge of the most experienced IT experts in the market – the average professional tenure of our consultants in Poland is over 10 years A complete benefits package , including funding for medical care, life insurance, sports cards for you and your loved ones, as well as discounts in stores in Poland and abroad About 7N Constantly searching for projects, difficult rate negotiations, lack of development support – sounds familiar? At 7N, you gain not only stability of contracts but also the personal involvement of a dedicated agent who ensures your professional comfort and continuous access to development initiatives. Our mission is to provide stable and rewarding collaborations that drive your success as an IT expert and the success of our clients. We build long-lasting relationships based on Scandinavian values and 30 years of experience creating IT solutions for over 200 organizations.
Technology
emagine Polska
.Net Developer
Senior
Remote
Lisbon, Portugal
🏢 Summary: The offer is for a Senior .NET Developer responsible for improving and refactoring core backend systems to enhance structure, maintainability, and security. The role focuses on reducing technical debt, enabling automation and AI integration, and ensuring high code quality through testing and CI/CD practices. The position involves hands-on development within legacy or monolithic environments and driving system modernization. 🗂️ Requirements: 5+ years experience in .NET / C# backend development, Experience with legacy or monolithic systems, Strong knowledge of clean code principles, Proven experience in refactoring existing codebases, Strong SQL and backend integration experience, Experience with APIs and service-based architecture, Experience with CI/CD pipelines, Experience with automated testing, Familiarity with TDD or BDD practices, Experience with Gherkin, SpecFlow, Cucumber or similar, Experience using AI tools in development workflows, Understanding of code structuring for automation and AI integration 📃 Skills: .NET, C#, SQL, APIs, CI/CD, TDD, BDD, Gherkin, SpecFlow, Cucumber, AI, Git, Docker, .NETCore 🏢 Description: Introduction & Summary: We are seeking a Senior .NET Developer with 5-8+ years of experience in backend development and .NET engineering. The successful candidate will drive improvement in code quality, reduce technical debt, and support system structuring for better predictability. With a focus on future automation and AI capabilities, you will help ensure code understandability, maintainability, and security. Main Responsibilities: Responsible for hands-on development and refactoring of core systems, with the aim of enhancing their structure and predictability. Develop and improve .NET-based systems. Reduce technical debt and increase maintainability. Support safe and efficient delivery. Ensure code is understandable, maintainable, and secure. Make systems testable and observable. Facilitate automation of workflows. Key Requirements: Strong experience with .NET / C#. Experience working with legacy or monolithic systems. Strong understanding of clean code principles. Experience with refactoring and improving existing codebases. Strong SQL and backend integration experience. Experience with APIs and service-based architecture. Experience with CI/CD pipelines. Experience with automated testing. Familiarity with TDD / BDD and security by design thinking. Experience with Gherkin / SpecFlow / Cucumber or similar. AI-related: Experience using AI tools in development workflows. Understanding of code structuring for automation and AI integration. Experience using AI for debugging, testing, or documentation support. Nice to Have: Experience with .NET Core. Experience with containerization. Exposure to AI-assisted testing or development tools. Experience improving system observability.