Full-Stack Developer (.NET/Azure/Python)

🏢 Summary: B2B Full-Stack Developer role focused on delivering modern web and AI solutions using Microsoft technologies for diverse industry projects. The position involves building scalable backend services in .NET and Azure, developing responsive front-end applications with React, and contributing to AI initiatives using Python. Work is performed in Agile teams with strong emphasis on clean architecture and high-quality code. 🗂️ Requirements: 5+ years of full-stack web development experience, .NET development experience (preferably .NET 8/9), Experience with Microsoft Azure services, Experience with React.js, Proficiency in JavaScript or TypeScript, Basic experience with Python and AI projects, Experience with Azure DevOps or other CI/CD tools, Knowledge of clean code principles, Knowledge of design patterns, Understanding of modern software architecture 📃 Skills: .NET, Azure, React, JavaScript, TypeScript, Python, AI, AzureDevOps, CICD 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available for both specialists open to work remotely (within Poland) or in hybrid mode (offices in Wroclaw and Krakow). Position: As Full-Stack Developer, you will broaden your experience by working in modern projects for various domains and industries. You will extend your skills in a wide range of tools, focusing on tasks such as: Consistently developing and delivering high-quality, low-defect, maintainable and robust code using modern Microsoft technologies like .NET and Azure Designing, prototyping and building AI solutions using Python , Azure and newest AI technologies Building responsive, user-friendly interfaces using Front-End technologies (e.g. React.js and JavaScript/TypeScript) Working directly with clients (both technical and business) to define and refine requirements Working closely with your project team using Agile methodologies Ensuring quality through adherence to technical best practice and through mentorship and feedback Working in projects for various industries: Energy, Automotive, Retail, Aviation, Finances, Health, Life Sciences and more. Required skills: For this role, you will need: 5y+ of experience with full-stack web development, including .NET (.NET 8/9 is a nice-to-have) Experience with MS Azure and its services Working knowledge of Front-End technologies ( React.js and JavaScript or TypeScript preferred) At least basic exposure to Python and AI projects Azure DevOps or other CI/CD tools Knowledge of clean code principles, design patterns and modern architecture English skills at B2 level (we communicate in English on a daily basis) If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: B2B .NET Developer role focused on delivering modern cloud-based solutions using Microsoft technologies and Azure. The position involves building high-quality web applications, contributing to CI/CD pipelines, and supporting AI-driven initiatives across various industries. Work is conducted in hybrid mode with Agile teams and direct client collaboration. 🗂️ Requirements: 3+ years of web development experience with .NET, Experience with Microsoft Azure services, Experience with Azure DevOps or GitHub Actions, Basic experience with Python, Knowledge of clean code principles, Knowledge of design patterns, Understanding of modern software architecture 📃 Skills: .NET, Azure, AzureDevOps, GitHubActions, Python, CICD, Agile, CleanCode, DesignPatterns, Architecture 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available for specialists open to work in hybrid mode (offices in Wroclaw and Krakow) - we can discuss the frequency of visiting the office. Position: As .NET Developer, you will broaden your experience by working in modern projects for various domains and industries. You will extend your skills in a wide range of tools, focusing on tasks such as: Consistently developing and delivering high-quality, low-defect, maintainable and robust code using modern Microsoft technologies like .NET and Azure Working with CI/CD tools such as Azure DevOps/GitHub Actions Designing, prototyping and building AI solutions using Python , Azure and newest AI technologies Working directly with clients (both technical and business) to define and refine requirements Working closely with your project team using Agile methodologies Ensuring quality through adherence to technical best practice and through mentorship and feedback Working in projects for various industries: Energy, Automotive, Retail, Aviation, Finances, Health, Life Sciences and more. Required skills: For this role, you will need: 3y+ of experience with web development using .NET (.NET 10 is a nice-to-have) Experience with MS Azure and its services Azure DevOps or GitHub Actions At least basic exposure to Python Knowledge of clean code principles, design patterns and modern architecture English skills at B2 level (we communicate in English on a daily basis) Nice to have: Experience in AI-related projects (commercial or non-commercial) Fluency in using assistive development tools (e.g. GitHub Copilot, Cursor, Claude Code) Experience in Microsoft Foundry or Copilot Studio Working experience with Docker Knowledge of Front-End technologies (e.g. React.js) If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: B2B hybrid .NET Developer role focused on building modern, high-quality solutions using Microsoft technologies for clients across various industries. The position involves developing and maintaining applications with .NET and Azure, contributing to AI-based solutions, and working within Agile teams. The role also includes collaboration with clients and participation in CI/CD processes. 🗂️ Requirements: 3+ years of experience in web development with .NET, Experience with Microsoft Azure services, Experience with Azure DevOps or GitHub Actions, Basic knowledge of Python, Knowledge of clean code principles and design patterns, Understanding of modern software architecture, English proficiency at B2 level 📃 Skills: .NET, Azure, AzureDevOps, GitHubActions, Python, CI/CD, Agile, Docker, React, AI 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available for specialists open to work in hybrid mode (offices in Wroclaw and Krakow) - we can discuss the frequency of visiting the office. Position: As .NET Developer, you will broaden your experience by working in modern projects for various domains and industries. You will extend your skills in a wide range of tools, focusing on tasks such as: Consistently developing and delivering high-quality, low-defect, maintainable and robust code using modern Microsoft technologies like .NET and Azure Working with CI/CD tools such as Azure DevOps/GitHub Actions Designing, prototyping and building AI solutions using Python , Azure and newest AI technologies Working directly with clients (both technical and business) to define and refine requirements Working closely with your project team using Agile methodologies Ensuring quality through adherence to technical best practice and through mentorship and feedback Working in projects for various industries: Energy, Automotive, Retail, Aviation, Finances, Health, Life Sciences and more. Required skills: For this role, you will need: 3y+ of experience with web development using .NET (.NET 10 is a nice-to-have) Experience with MS Azure and its services Azure DevOps or GitHub Actions At least basic exposure to Python Knowledge of clean code principles, design patterns and modern architecture English skills at B2 level (we communicate in English on a daily basis) Nice to have: Experience in AI-related projects (commercial or non-commercial) Fluency in using assistive development tools (e.g. GitHub Copilot, Cursor, Claude Code) Experience in Microsoft Foundry or Copilot Studio Working experience with Docker Knowledge of Front-End technologies (e.g. React.js) If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: B2B opportunity for a .NET Developer to work on modern, cross-industry projects using Microsoft technologies and Azure. The role focuses on building high-quality web solutions, contributing to CI/CD processes, and supporting AI-driven initiatives with Python and Azure. You will collaborate within Agile teams to design and deliver scalable, maintainable applications. 🗂️ Requirements: 3+ years of web development experience with .NET, Experience with Microsoft Azure services, Experience with Azure DevOps or GitHub Actions, Basic experience with Python, Knowledge of clean code principles, Knowledge of design patterns, Understanding of modern software architecture 📃 Skills: .NET, Azure, AzureDevOps, GitHubActions, Python, CICD, Docker, React, Agile, AI, CleanCode, DesignPatterns, Architecture 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available for specialists open to work in hybrid mode (offices in Wroclaw and Krakow) - we can discuss the frequency of visiting the office. Position: As .NET Developer, you will broaden your experience by working in modern projects for various domains and industries. You will extend your skills in a wide range of tools, focusing on tasks such as: Consistently developing and delivering high-quality, low-defect, maintainable and robust code using modern Microsoft technologies like .NET and Azure Working with CI/CD tools such as Azure DevOps/GitHub Actions Designing, prototyping and building AI solutions using Python , Azure and newest AI technologies Working directly with clients (both technical and business) to define and refine requirements Working closely with your project team using Agile methodologies Ensuring quality through adherence to technical best practice and through mentorship and feedback Working in projects for various industries: Energy, Automotive, Retail, Aviation, Finances, Health, Life Sciences and more. Required skills: For this role, you will need: 3y+ of experience with web development using .NET (.NET 10 is a nice-to-have) Experience with MS Azure and its services Azure DevOps or GitHub Actions At least basic exposure to Python Knowledge of clean code principles, design patterns and modern architecture English skills at B2 level (we communicate in English on a daily basis) Nice to have: Experience in AI projects (commercial or non-commercial) Working experience with Docker Knowledge of Front-End technologies (e.g. React.js) If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: B2B contract role to migrate multiple existing mobile applications to a unified React Native solution for a financial market project. The project spans approximately two years and involves working in an interdisciplinary team to rebuild apps currently developed in different technologies. The focus is on cross-platform mobile development using React Native with cloud and backend integrations. 🗂️ Requirements: 5+ years of mobile development experience, Experience developing both iOS and Android applications, Strong JavaScript and TypeScript knowledge, Strong React Native experience including Expo, Experience with Firebase services (Push, Crashlytics), Experience integrating REST APIs, Experience working with AWS cloud, English proficiency at B2 level or higher 📃 Skills: ReactNative, Expo, TypeScript, JavaScript, Firebase, Crashlytics, Push, AWS, REST, iOS, Android 🏢 Description: We’re looking for specialists open to cooperate on B2B basis, for our customer – Avanade Poland. Avanade website ; Privacy policy This role is available starting from July/August , for both specialists open to work remotely (within Poland) or in hybrid mode (offices in Wroclaw and Krakow). Position: The project is carried out for financial market and is planned for ~2 years. Main goal is to rewrite existing mobile apps - currently there is a few apps, written using different technologies (Flutter, MAUI), and the main challenge in the project will be to bring all of them to React Native. Project team size is estimated to be 44 specialists. You will join interdisciplinary team consisting of up to 8 Engineers. Tech stack: React Native, React Native Expo, TypeScript/JavaScript, Firebase services - Push, Crashlytics, AWS, REST API, Git, Google Play, App Store Connect, Scrum Required skills: For this role, you will need: 5y+ of experience with mobile development , including both iOS and Android apps Strong JavaScript/TypeScript and React Native skills (including Expo) Good working knowledge of Firebase (Push, Crashlytics) REST API Experience with AWS cloud English skills at B2 level (we communicate in English on a daily basis) Experience leading a small team of mobile devs will be a plus If you want to ask any questions before applying, feel free to reach out via LinkedIn !

🏢 Summary: Full-Stack Developer role on a long-term, enterprise-scale banking project, delivering web solutions using .NET and React in a regulated environment. The position involves end-to-end development, API integration, and database optimization within a global technology team. Work is fully remote from Poland with collaboration on complex financial systems. 🗂️ Requirements: 3+ years of full-stack development experience, Proficiency in C# and ASP.NET Core, Experience with .NET Web API, Strong knowledge of React including state management and component architecture, Experience with HTML5, CSS3, JavaScript or TypeScript, Experience designing and integrating RESTful APIs, Strong SQL Server skills including queries and stored procedures, Experience with Entity Framework, Knowledge of design patterns and database normalization, Experience with Azure DevOps for source control and CI/CD, Understanding of application security, performance, and scalability best practices, Bachelor's degree in Computer Science or related field 📃 Skills: C#, .NET, ASP.NETCore, WebAPI, React, HTML5, CSS3, JavaScript, TypeScript, REST, SQL, SQLServer, EntityFramework, AzureDevOps 🏢 Description: We are looking for an experienced Full-Stack Developer to join a long-term project for one of the world's leading professional services organizations. You will work within a global technology team delivering solutions for a UK-based banking client in a regulated, enterprise-scale environment. Location: 100% Remote (Poland) with occasional visits to Warsaw office Client: Global professional services firm, banking & financial services sector, UK Requirements 3+ years of experience in full-stack development, with proficiency in most of the following: C#, ASP.NET Core, .NET Web API React — state management, component architecture HTML5, CSS3, JavaScript / TypeScript RESTful API design and integration SQL Server — queries, stored procedures, functions, views Entity Framework Design patterns and database normalization Azure DevOps for source control and CI/CD Application security, performance, and scalability best practices Bachelor's degree in Computer Science or related field Nice to Have Azure Cloud Services and cloud-native architecture SFTP and encryption/secure file transfer protocols Experience with vendor software integration and custom interfaces Responsibilities Design, develop, and maintain web applications using .NET (C#, ASP.NET Core) and React Build responsive user interfaces with HTML, CSS, JavaScript, and React Develop and consume RESTful APIs to connect client-side and server-side components Implement and optimize data storage using SQL Server (stored procedures, functions, views) Perform coding, debugging, testing, and troubleshooting throughout the development lifecycle Maintain and enhance existing systems, fixing complex bugs and escalating risks where needed Capture detailed requirements from stakeholders and translate them into technical specifications Ensure adherence to coding standards, design patterns, and security best practices Collaborate with vendor teams and third-party integrations Monitor emerging technologies and contribute ideas for continuous improvement We Offer 100% remote work from Poland Occasional team meetups in Warsaw Long-term project with a prestigious international client Exposure to enterprise-scale banking solutions B2B Contract Private medical care ( Luxmed ) MultiSport sports card

🏢 Summary: Remote Full Stack .NET Developer role focused on building and maintaining enterprise-grade applications using Angular 20+ and ASP.NET Core (.NET 9+) within a Microsoft and Azure ecosystem. The position involves designing scalable solutions, integrating authentication and external systems, and deploying cloud-native applications using Docker, Kubernetes, and CI/CD pipelines. Long-term B2B project for EU citizens residing in Poland. 🗂️ Requirements: Strong commercial experience as Full Stack .NET Developer, Hands-on experience with Angular 20+, Very good knowledge of ASP.NET Core and modern .NET, Experience designing and developing RESTful APIs, Experience with Microsoft Azure services, Strong knowledge of Microsoft SQL Server, Experience with Entity Framework Core, Experience with Docker and containerized environments, Understanding of Kubernetes, Experience building and maintaining CI/CD pipelines, Strong SQL skills, Knowledge of authentication and authorization mechanisms including Azure AD, Experience in Agile environments, Very good English skills, EU citizenship, Residence in Poland 📃 Skills: Angular, ASP.NET, NET, C#, REST, Azure, MSAL, AzureAD, SQL, SQLServer, EntityFramework, Docker, Kubernetes, CI/CD, Vitest, xUnit, Moq, AzureDevOps 🏢 Description: In Cyclad, we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are currently looking for an experienced Full Stack .NET Developer to join a remote international team delivering enterprise-grade applications using modern Microsoft and Angular technologies. In this role, you will be responsible for designing, developing, and maintaining scalable applications while collaborating closely with cross-functional teams in an agile environment. Project information: Type of project: It services Office Location: Poland Work mode: Remote from Poland Budget: 120-140 PLN net/ h- B2B Project length: Long term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate’s availability) Project scope: Design and develop enterprise applications using Angular 20+ on the front end and ASP.NET Core (.NET 9+) on the back end Implement standalone components and signals-based architecture to build responsive and maintainable user interfaces Integrate Azure MSAL authentication, RESTful APIs, and external systems Build and optimize data access layers using Entity Framework Core and manage relational data in Microsoft SQL Server Ensure application security through authentication, authorization, and data protection mechanisms based on Azure Active Directory Deploy and manage application environments using Docker, Kubernetes, and CI/CD pipelines Develop and maintain comprehensive unit and integration tests for both front-end and back-end components using Vitest, xUnit, and Moq Collaborate with cross-functional teams to maintain shared libraries and continuously improve product functionality based on user feedback Troubleshoot, debug, and optimize applications to ensure scalability, reliability, and high performance Participate actively in code reviews by reviewing and approving Pull Requests from team members Document project progress, architectural decisions, and implementation outcomes using Azure DevOps Boards and Wiki Contribute to continuous improvement initiatives and promote development best practices across the team Competence demands: Strong commercial experience as a Full Stack .NET Developer Proven hands-on experience with Angular and .NET technologies Very good knowledge of ASP.NET Core and modern .NET development practices Experience designing and developing RESTful APIs Practical experience with Microsoft Azure services and cloud-native applications Strong knowledge of Microsoft SQL Server and relational database design Experience with Entity Framework Core Experience working with Docker and containerized environments Good understanding of Kubernetes and container orchestration Experience building and maintaining CI/CD pipelines Strong SQL skills and experience optimizing database queries Understanding of authentication and authorization mechanisms, including Azure AD integrations Experience working in Agile development environments Strong communication and collaboration skills Proactive approach, ownership mindset, and ability to independently lead feature implementations High attention to detail and commitment to code quality Very good English skills, both written and spoken We offer: Remote working model from Poland Full-time job agreement based on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person ) Life insurance Recruitment process: Introductory call Technical interview Final decision

🏢 Summary: Remote Fullstack Developer role focused on building and maintaining a modern cloud-based platform for the insurance and financial services sector. The position involves developing backend services in .NET and frontend components in Angular, deployed on Microsoft Azure. It is a long-term project within an international agile team. 🗂️ Requirements: Strong experience in fullstack development with .NET and Angular, Hands-on experience with .NET 8, .NET Core, ASP.NET Core, C# 10, Experience with Entity Framework, Proficiency in Angular and TypeScript, Experience with SQL databases, Experience with Microsoft Azure services: Service Bus, Azure SQL, App Service, Azure DevOps, Experience with cloud-based solution design and development, Experience with unit testing and code reviews, Proficiency with Visual Studio or JetBrains IDEs, Experience working in Agile environments 📃 Skills: .NET, .NET8, .NETCore, ASPNETCore, C#, EntityFramework, Angular, TypeScript, SQL, Azure, ServiceBus, AzureSQL, AppService, AzureDevOps, VisualStudio, JetBrains, UnitTesting, Agile 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. We are seeking an experienced Fullstack Developer (.NET + Angular) to join a remote development team. This role focuses on developing a modern technology platform that supports core business processes in the insurance and financial services sector. If you are an experienced fullstack developer who thrives in a collaborative environment, takes ownership, and proactively proposes solutions, this role is for you. Project information: Type of project: IT services Office location: Poland Work mode: Remote Budget: 100-130 PLN net /h - b2b Project length: Long-term Only candidates with citizenship in the European Union and residence in Poland Start date: ASAP (depending on candidate availability) Project scope: Develop backend services using .NET 8 / .NET Core / ASP.NET Core and C# 10 Implement frontend components using Angular and TypeScript Design and maintain scalable, reliable, and secure cloud-based solutions hosted on Microsoft Azure Work with Azure services including Service Bus, Azure SQL, App Service, and Azure DevOps pipelines Expand and maintain the existing code base, ensuring quality through unit tests and code reviews Collaborate with an international, distributed team following agile practices Ensure consistent implementation and alignment with modern software engineering best practices Requirements: Strong background in fullstack development with .NET and Angular Hands-on experience with .NET 8, .NET Core, ASP.NET Core, C# 10, and Entity Framework Proficiency in Angular, TypeScript, and SQL Experience with Visual Studio / JetBrains IDEs Azure experience: Service Bus, Azure SQL, App Service, Azure DevOps (pipelines and automation) Strong communication skills, proactiveness, attention to detail, and ability to lead feature implementations Agile mindset and experience working in team-based environments Nice to have experience in insurance or financial services projects We offer: Remote working model Full-time job agreement based on b2b and employment contract Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 Summary: B2B contract for a Mid/Senior FullStack Engineer to modernize and migrate legacy .NET applications to a modular, cloud-native Azure architecture in the banking sector. The role combines backend development in .NET with frontend work in React, focusing on refactoring legacy systems, building scalable APIs, and implementing CI/CD and observability practices. Hybrid work model with strong influence on architectural decisions and cloud migration. 🗂️ Requirements: 5+ years of commercial experience with C# and .NET (Framework and .NET Core/6+), Strong proficiency in EF Core and MSSQL (query tuning, transactions, indexing), Commercial experience with React and TypeScript, Experience building and securing REST APIs (authentication, versioning, validation), Familiarity with Azure services (App Service, Functions, SQL, Service Bus, Storage), Experience with automated testing (unit, integration, contract, E2E), Experience with CI/CD pipelines (Azure DevOps or GitHub Actions), Ability to work with legacy .NET codebases (ASP.NET MVC, Razor, WPF, WinForms), English at B2+ level 📃 Skills: C#, .NET, .NETCore, .NET6, .NET8, EFCore, MSSQL, T-SQL, React, TypeScript, REST, Azure, AppService, AzureFunctions, AzureSQL, ServiceBus, AzureStorage, xUnit, Jest, Playwright, Cypress, Git, AzureDevOps, GitHubActions, ASP.NET, MVC, Razor, WPF, WinForms, DDD, CleanArchitecture 🏢 Description: We are looking for FullStack Engineer (.NET & React) Location: Kraków / Hybrid (7 days in the office per month) Contract Type: B2B Contract Seniority: Mid / Senior About the Project Join a high-impact modernization initiative for a leading player in the banking sector . We are transforming a portfolio of approximately a dozen .NET applications and MSSQL databases into a modular, cloud-native Azure architecture. As a FullStack Engineer, you will play a dual role: evolving existing production services (including legacy UI and desktop components) while systematically extracting business logic to re-implement it into a modern, scalable ecosystem. This is a unique opportunity to influence the transition from monolithic architectures to high-performance, distributed cloud services. Your Responsibilities Design & Development: Build backend services and APIs using .NET 6/8 following Clean Architecture and DDD patterns. Frontend Evolution: Develop and maintain React + TypeScript frontends, managing the incremental migration from legacy UI modules. Modernization: Read, refactor, and extract complex business logic from legacy .NET codebases and T-SQL stored procedures. Quality Assurance: Write and maintain comprehensive automated tests (Unit, Integration, Contract, and E2E). DevOps & Observability: Create CI/CD pipelines (Azure DevOps/GitHub Actions) and instrument services for deep observability (metrics, logs, distributed traces). Collaboration: Participate in domain modeling, architecture discussions, and Agile ceremonies with Architects and Product Owners. Skills & Experience We Require Experience: 5+ years of commercial experience with C# and the .NET ecosystem (both Framework and .NET Core/6+). Database Expertise: Strong proficiency in EF Core and MSSQL (including query tuning, transactions, and indexing). Frontend: Solid production experience with React and TypeScript. Web Services: Practical experience in building and securing REST APIs (Auth, Versioning, Validation). Cloud: Familiarity with Azure services (App Service, Functions, SQL, Service Bus, Storage). Testing & Tooling: Experience with xUnit, Jest, and Playwright/Cypress, as well as disciplined Git practices. Legacy Handling: The ability to read and reason about legacy codebases (ASP.NET MVC, Razor, WPF, or WinForms). Communication: English at a B2+ level for technical documentation and team collaboration. Nice to Have Experience with Infrastructure as Code (Terraform or Bicep). Knowledge of Docker and Kubernetes (AKS). Background in migrating monoliths to microservices. Azure Developer Associate certification. What We Offer Impact: Real influence on the architecture and the cloud migration roadmap. Autonomy: Direct collaboration with Tech Leads and Architects in a flat structure. Modern Stack: Opportunity to work with the latest .NET versions (6/8) and React. Efficiency: Fast technical onboarding with immediate access to repos, CI/CD pipelines, and monitoring tools. Flexible Hybrid Model: Remote-first approach with only 7 planned days in the Kraków office per month. Benefits : Luxmed and Multisport Card

🏢 Summary: Senior Full-Stack Engineer role with a 50/50 backend and frontend focus, building scalable microservices-based applications using ASP.NET (C#) and React with TypeScript in a cloud-native environment. The position involves designing and maintaining REST APIs, developing responsive user interfaces, ensuring high test coverage, and contributing to architectural decisions with strong technical ownership. Poland-based employment (Umowa o Pracę) with remote flexibility and quarterly in-person collaboration. 🗂️ Requirements: MSc+ in Computer Science or equivalent, Minimum 5 years experience with ASP.NET and C#, Minimum 5 years experience building REST APIs, Minimum 5 years experience with React, Experience with TypeScript, Strong knowledge of microservices architecture, Knowledge of cloud design patterns, Experience with unit, integration, and end-to-end testing, High level of technical ownership, Fluent English (minimum B2), Poland residency 📃 Skills: ASP.NET, C#, REST, React, TypeScript, Microservices, AWS, Agile, DDD, UnitTesting, IntegrationTesting, E2ETesting, Cloud 🏢 Description: We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 50/50 front-/backend focus, ideal for someone who likes to take ownership, thrives in a dynamic product team, and enjoys mentoring others. This role could easily become a Tech Lead role in a foreseeable future. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you. This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (only, no B2B). What you will be responsible for Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles. Develop responsive user interfaces with React and TypeScript that enhance usability and performance. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Define, design and align feature architecture with the Head of Engineering to ensure consistency and scalability. Ensure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage. Support incident response and production issue resolution as per team standards. Actively contribute to team knowledge sharing and coach colleagues in technical best practices. What makes you a match Essential Qualifications: MSc+ in Computer Science or equivalent 5 years of proven experience in building secure REST APIs using ASP.NET , as well as developing solid front-end applications with React are non-negotiable must haves. Comprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns. Demonstrated ability of high technical Ownership and Tech Leadership are a requirement for this role. Bonus Skills: Hands-on experience with AWS infrastructure. Experience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD). Collaboration and Interpersonal Skills: Clear and adaptive communication with both technical and non-technical stakeholders. Strong sense of ownership, accountability, and proactive problem-solving. Languages: English: B2 - (No certificate required, but Fluency) German, Polish, Ukrainian: desired, not required What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record provider Remote.com , ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates may be asked to verify their identity their identity before speaking with our Recruiter. This step helps us prevent fraud and focus our resources on genuine applicants. About us Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Four Interviews — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.