Senior Software Engineer (.NET/ Azure)

🏢 Summary: Senior .NET Engineer role focused on modernizing and enhancing an insurance platform using Azure and microservices architecture. The position involves full-stack development, backend services in .NET Core, cloud deployment, and DevOps automation. The engineer will contribute to scalable, secure solutions and AI-driven initiatives within a cloud-native environment. 🗂️ Requirements: 5+ years of full-stack web application development, Proficiency in .NET Core (8–10), Experience with Entity Framework and Dapper, Experience building REST and XML APIs, Advanced MS SQL including query optimization and stored procedures, Experience with Azure App Service and Azure Container Apps, Hands-on experience with microservices architecture, Experience with Docker and containerization, Experience implementing CI/CD using Azure DevOps or similar tools, Familiarity with ReactJS, Vue.js or Angular, Knowledge of SignalR and WebSockets, Experience with GitHub Copilot, Understanding of secure coding practices 📃 Skills: .NET, C#, Azure, MS, SQL, Entity, Framework, Dapper, REST, XML, ReactJS, Vue.js, Angular, Docker, Microservices, CI/CD, Azure, DevOps, GitHub, Terraform, ARM, SignalR, WebSockets, Copilot 🏢 Description: We are seeking a skilled Senior .NET Engineer with expertise in Azure and full-stack development to join an exciting project for our client, a US-based insurance provider. This role focuses on enhancing the client's insurance platform through modernization and leveraging cutting-edge technologies. Responsibilities Work on the development and modernization of an insurance platform towards a modular and microservices architecture under Azure Implement backend services using .NET Core (8–10), Entity Framework and Dapper to ensure performance and scalability Build and integrate RESTful and XML-based APIs for application functionality and interoperability Develop advanced database solutions using MS SQL including query optimization and stored procedures Create dynamic responsive user interfaces using ReactJS or Vue.js Architect microservices and leverage Docker for efficient deployment and scalability Manage application deployment on Azure cloud platforms such as Azure App Service and Azure Container Apps Apply DevOps best practices for CI/CD, release management and automation with tools like Azure DevOps, Azure Repos, GitHub, Azure ARM or Terraform Contribute to AI-driven initiatives through the adoption of AI tools like GitHub Copilot Ensure adherence to secure coding standards throughout development processes Incorporate technologies for real-time communication including SignalR and WebSockets Work autonomously, manage time effectively and consistently meet project deadlines Collaborate with cross-functional teams to document technical solutions and specifications Requirements 5+ years of experience building full-stack web applications and delivering end-to-end solutions Proficiency in .NET Core (8–10), Entity Framework, Dapper, REST and XML-based APIs Advanced MS SQL skills including query optimization and stored procedure development GitHub Copilot experience and willingness to contribute to AI adoption within the team Expertise in Azure cloud platforms including Azure App Service and Azure Container Apps Familiarity with modern web frameworks such as ReactJS, Vue.js or Angular Hands-on experience with microservices architecture, Docker and containerization Skills in implementing DevOps practices for CI/CD and automation using Azure DevOps, Azure Repos, GitHub, Azure ARM or Terraform Awareness of SignalR and WebSockets for real-time communication Strong focus on secure coding practices and project deadline management Adaptability to work independently while effectively collaborating in a team environment and clearly documenting solutions 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: Hands-on .NET Architect role focused on designing and guiding delivery of secure, scalable, cloud-native enterprise platforms on Azure. The position combines deep technical expertise in C# and distributed systems with ownership of target architecture and production-grade solution design. Emphasis on microservices, platform engineering, data architecture, security, and DevSecOps practices. 🗂️ Requirements: Degree in Computer Science or related field, 10+ years in software engineering or solution architecture on Microsoft stack, Strong expertise in C# and .NET Core/.NET 8, Experience with ASP.NET Core and Web APIs, Architecture of distributed systems and microservices, Azure architecture across AKS and core Azure services, Design of integration-heavy enterprise platforms, Strong knowledge of SQL Server or PostgreSQL performance tuning, Understanding of scalability, availability, and resiliency patterns, Experience with containers, Kubernetes, and CI/CD, Knowledge of application security and secure coding practices, Foundational understanding of AI and machine learning concepts 📃 Skills: C#, .NET, ASP.NET, Azure, AKS, Microservices, APIs, SQL, SQLServer, PostgreSQL, Kubernetes, Docker, CI/CD, DevSecOps, ServiceBus, EventGrid, KeyVault, AppServices, Functions, APIManagement, Storage, Authentication, Encryption, Datadog, Dynatrace, ApplicationInsights, OpenTelemetry, Grafana, AI 🏢 Description: Description We are seeking a forward-looking, hands-on .NET Architect who can shape the target architecture for modern platforms while staying close to engineering delivery. The ideal candidate will combine deep expertise in C#, .NET, Azure, cloud-native architecture, distributed systems, APIs, data, and platform engineering with the ability to guide teams through practical, production-grade solution design. This role is suited to an architect who can think 3–5 years ahead, simplify complex landscapes, and help build secure, scalable, resilient, and configurable enterprise platforms. Requirements Bachelor’s or master’s degree in Computer Science, Engineering, or a related field 10+ years of experience in software engineering, solution architecture, or platform engineering, with significant experience in Microsoft technology stacks Strong hands-on expertise in C#, .NET / .NET Core / .NET 8, ASP.NET Core, Web APIs, background services, and enterprise application design Deep experience in architecting distributed systems using microservices, asynchronous messaging, event-driven design, and API-led integration patterns Strong Azure architecture experience, preferably across AKS, App Services, Functions, API Management, Key Vault, Service Bus, Event Grid, Storage, monitoring, and identity integration patterns Experience designing and supporting platforms, configurable product architectures, and integration-heavy enterprise solutions Strong understanding of relational databases and performance engineering, especially SQL Server and/or PostgreSQL, including schema design, indexing, query tuning, and transaction handling Solid grasp of non-functional architecture including performance, scalability, availability, fault isolation, observability, and disaster recovery Strong understanding of application and platform security including authentication, authorization, secrets management, encryption, secure coding, and compliance-oriented design Experience with containers, Kubernetes, CI/CD, infrastructure automation, and modern DevSecOps practices Ability to make sound architecture decisions with a balance of pragmatism, delivery speed, engineering quality, and long-term maintainability Strong communication and stakeholder management skills across product, engineering, architecture, operations, security, and client-facing teams Foundational understanding of AI concepts, including how machine learning models  work, common AI use cases, and basic principles of data handling. Ability to use AI‑powered tools and platforms to support daily tasks, with strong attention to detail and commitment to maintaining data accuracy. Fluent command of the Polish language (C1/C2) Desirable Qualifications and Skills Experience in insurance, Insurtech, BFSI, or other regulated, transaction-heavy domains. Exposure to policy administration, billing, accounting, claims, workflow orchestration, or reporting platforms within the insurance value chain. Experience with architecture frameworks and modeling approaches such as TOGAF, domain-driven design, UML, C4, or equivalent practical architecture methods. Familiarity with mixed technology landscapes involving .NET, Java/Spring Boot, enterprise workflow tools, and integration ecosystems. Experience with observability and reliability tooling such as Datadog, Dynatrace, Application Insights, Open Telemetry, Grafana, or similar. Working knowledge of Angular, React, or modern web application architecture patterns. Exposure to AI-enabled engineering, intelligent automation, or embedding AI capabilities into enterprise platforms. Leadership experience across globally distributed or virtual teams. What you can expect from us: Unique professional and personal development at one of the pioneer companies in professional insurance support. Ongoing professional training – to onboard you for a good start and your further professional development. Your own growth training budget - use internal and external development opportunities and take advantage of your own budget. LUXMED medical cover for you with full dental care, oncological preventive program and additional mental health support with helpline & individual sessions with a therapist.. 8-hour work time with a lunch break already included - spend the rest of the day doing what is important to you as intended in the #2h4Family program. Private life insurance - 80% of the premium is covered by an employer. Employee referral program - we appreciate you recommending your friends to join us. Additional days off - to celebrate your birthday, moreover, if you want to do a volunteering work, feel free to do so with some extra days off. Integration events - monthly delicious breakfasts, movie nights, board game nights, outdoor events. Lively and modern office in the City Centre with parking space for employees. A supportive and friendly atmosphere created by passionate people.

🏢 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.

🏢 Summary: Senior Software Engineer role focused on developing and maintaining a complex enterprise .NET platform, combining backend development, production troubleshooting, and performance optimization. The position involves working on identity-related systems and improving architecture, reliability, and code quality within a large-scale environment. The engineer will contribute to technical decisions and future platform evolution. 🗂️ Requirements: 5+ years commercial experience with C# and .NET, Strong knowledge of ASP.NET Core, Experience with asynchronous programming, Experience with dependency injection, Hands-on experience with Entity Framework Core, Strong understanding of SQL Server, Experience with query optimization, Experience with OAuth2, Experience with OpenID Connect, Experience with JWT, Experience supporting and troubleshooting production systems, Fluent English 📃 Skills: C#, .NET, ASP.NET, EntityFramework, SQLServer, OAuth2, OpenIDConnect, JWT, IdentityServer, Duende, ActiveDirectory, AzureAD, MicrosoftGraph, Quartz.NET, SignalR, Playwright, AzureDevOps, CI/CD 🏢 Description: We are looking for an experienced Senior Software Engineer to develop and maintain a complex enterprise .NET platform used by global organizations. This role combines backend development , production troubleshooting , performance optimization , and work on identity-related systems . 💼 Responsibilities: Design, develop, and maintain backend services built with C# and .NET Investigate and resolve complex production issues and customer-reported problems Optimize application performance, database queries, and system reliability Collaborate with Product, Support, and Engineering teams on technical solutions Improve architecture, code quality, and engineering standards Participate in technical discussions and contribute to future platform development ✅ Requirements: 5+ years of commercial experience with C# and .NET Strong knowledge of ASP.NET Core and modern .NET applications Experience with asynchronous programming and dependency injection Hands-on experience with Entity Framework Core Good understanding of SQL Server, query optimization, and database performance Experience with OAuth2, OpenID Connect, JWT Experience supporting and troubleshooting production systems Fluent English communication skills 🌟Nice to have: Experience with IdentityServer / Duende IdentityServer Understanding of Active Directory, Azure AD or Microsoft Graph Hands-on experience with Quartz.NET or similar scheduling frameworks Familiarity with SignalR, Playwright, Azure DevOps and CI/CD pipelines 🎁 We offer: Work on a mature enterprise product used globally Influence technical decisions and platform evolution Private healthcare Life insurance Multisport Opportunity to work with modern .NET technologies and large-scale systems

🏢 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: Lead .NET Engineer role focused on modernizing an insurance platform using Azure-based microservices architecture and modern frontend frameworks. The position combines hands-on development across backend, frontend and DevOps with technical leadership and AI-driven SDLC improvements. It involves building scalable, secure cloud-native solutions using .NET, React and Azure services. 🗂️ Requirements: 7+ years of full-stack web development experience, .NET Core (8–10) proficiency, Experience with Entity Framework and Dapper, Experience building REST and XML APIs, Strong MS SQL skills including optimization and stored procedures, Hands-on experience with Azure (App Service, Container Apps), Experience with ReactJS, Vue.js or Angular, Microservices architecture experience, Docker and containerization experience, DevOps experience with Azure DevOps, Azure Repos or GitHub, Experience with Azure ARM or Terraform, Familiarity with SignalR and WebSockets, Experience with GitHub Copilot, Knowledge of secure coding practices 📃 Skills: .NET, C#, Azure, ReactJS, Vue.js, Angular, MS SQL, EntityFramework, Dapper, REST, XML, Docker, Microservices, AzureDevOps, GitHub, Terraform, ARM, SignalR, WebSockets, GitHubCopilot 🏢 Description: We are seeking a skilled Lead .NET Engineer with expertise in Azure and React to help modernize and enhance the insurance platform for our US-based client. This role combines technical leadership with deep implementation ownership across backend, frontend, cloud and DevOps, driving AI adoption and delivering scalable, secure solutions. Responsibilities Modernize the insurance platform towards a modular and microservices architecture under Azure Provide technical leadership across backend, frontend, cloud and DevOps Champion AI adoption in SDLC by driving secure and measurable usage of tools like GitHub Copilot Implement backend services using .NET Core (versions 8–10), Entity Framework and Dapper Build and integrate RESTful and XML-based APIs for application functionality Design and optimize advanced MS SQL database solutions Utilize modern frontend frameworks such as ReactJS or Vue.js to develop dynamic user interfaces Architect microservices-based solutions leveraging Docker for deployment and scalability Deploy and manage applications on Azure platforms including Azure App Service and Azure Container Apps Apply DevOps practices for CI/CD, release management and automation using Azure tools Ensure secure coding practices throughout the development lifecycle Contribute to AI-driven initiatives leveraging GitHub Copilot Collaborate with team members and document technical specifications clearly Demonstrate awareness of SignalR and WebSockets for real-time communication Requirements 7+ years of experience in full-stack web application development Proficiency in .NET Core (versions 8–10), Entity Framework, Dapper, REST and XML-based APIs Expertise in MS SQL including query optimization, stored procedures and database design GitHub Copilot experience and readiness to contribute to AI adoption initiatives Cloud platform proficiency in Azure including Azure App Service and Azure Container Apps Competency in web frameworks such as Vue.js, ReactJS or Angular Background in microservices, Docker and containerization Experience implementing DevOps practices using Azure DevOps, Azure Repos, GitHub, Azure ARM or Terraform Familiarity with SignalR and WebSockets Strong focus on secure coding practices and development lifecycle standards Ability to work independently, meet project deadlines and collaborate within a team Leadership skills with the ability to manage time and document specifications effectively 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 .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: Senior .NET Developer / Architect role focused on building and optimizing a cloud-native travel booking platform in a microservices architecture. The position involves designing high-performance flight search and booking flows, integrating with GDS/NDC APIs, and ensuring scalability, reliability, and low-latency performance. The role combines deep technical expertise in distributed systems with strong domain knowledge in airline and travel technology. 🗂️ Requirements: 5+ years experience with C# and .NET, 5+ years experience in travel industry (flight shopping, booking engines, OTA, metasearch), Experience with GDS systems (Sabre, Amadeus, Travelport) and/or NDC APIs, Knowledge of airline concepts (PNR, e-ticketing, fare rules, availability, schedule changes), Experience with cloud-native and distributed architectures, Experience with high-throughput, low-latency systems, Experience with observability tools, Ability to design scalable APIs and asynchronous workflows 📃 Skills: C#, .NET, Azure, AWS, Microservices, REST, SOAP, GDS, NDC, Sabre, Amadeus, Travelport, OpenTelemetry, Grafana, ApplicationInsights, APIs, DistributedSystems, Caching, Concurrency, RateLimiting, CircuitBreakers, AsynchronousProcessing 🏢 Description: In Goelett, we are an extraordinary mix of travel industry experts, product, and software engineers, developing a successful online booking tool for corporations and large organizations. Today, as a part of the sector leader S4BT Group, we support 500k+ business users making thousands of bookings a day. We are seeking a Senior.Net Developer / Architect who is keen on working within a product development team, has a background in system and integration analysis, and is ready to take on a dynamic career opportunity by driving requirements analysis, resolving system issues, and enhancing product functionalities! Work model: hybrid (3 days in the office + 2 days remote / weekly) – office located in Warsaw, PL. What you will be doing: Develop clean, scalable code using C# / .NET in a microservices, cloud-native architecture (Azure/AWS). Design and implement high-performance travel search and booking flows (shopping, pricing, availability, ticketing). Integrate with GDS, NDC, LCC APIs. Work with flight and ancillary services including seat maps, baggage, fare families, upsell/cross-sell. Optimize search performance (latency, caching strategies, concurrency, rate limiting, resiliency patterns). Implement orchestration layers for multi-provider search aggregation and normalization of responses. Handle complex pricing logic (fare rules, combinability, branded fares, dynamic pricing). Monitor and optimize system performance, observability (logging, tracing, metrics), and reliability (SLAs/SLOs). Build and maintain scalable APIs (REST/SOAP), event-driven components, and asynchronous workflows. Ensure high availability and fault tolerance in distributed systems (circuit breakers, retries, fallbacks). What we're looking for: 5+ years of professional experience in software development using C# / .NET and modern cloud architectures. 5+ years of travel experience in travel business: flight shopping, booking engines, OTA platforms, or metasearch. Hands-on experience integrating with GDS (Sabre, Amadeus, Travelport) and/or NDC APIs. Solid understanding of airline concepts: PNR, e-ticketing, fare rules, availability, schedule changes, cancellations. Experience with high-throughput, low-latency systems and distributed architectures. Experience with observability tools (e.g., OpenTelemetry, Application Insights, Grafana). Ability to translate business requirements (conversion, pricing accuracy, availability) into technical solutions. What we offer: A truly global perspective – develop your international mindset by collaborating daily with colleagues from diverse cultures and backgrounds across the world. Real impact – contribute to shaping the future of one of the most user-centric companies in the travel-tech industry. Your ideas and solutions will reach thousands of users globally. Medical care – because your well-being matters. Multisport card – keep your body as active as your mind. Extra days off – celebrate your day with a paid day off for your birthday, and another to give back through volunteering. Language courses – grow your communication skills and connect effortlessly in our multicultural environment. Team integrations & fun events. Lunch vouchers – enjoy your breaks with tasty meals on us.

🏢 Summary: Senior Backend Engineer role focused on designing and developing cloud‑enabled web applications, APIs, and digital twin solutions for large-scale data center environments using Azure and NVIDIA Omniverse. The position involves full software development lifecycle responsibilities and collaboration with international teams on global simulation and visualization platforms. 🗂️ Requirements: 7+ years of experience in software development with .NET / .NET Core, Strong C# and .NET programming skills, Experience with REST API development, Experience with Entity Framework or other ORM, Knowledge of relational and non-relational databases, Experience with SQL Server, Experience with Azure cloud services, Proficiency with Git or similar version control systems, Experience processing large datasets, Knowledge of Infrastructure as Code (Terraform preferred) 📃 Skills: C#, .NET, .NETCore, REST, EntityFramework, SQLServer, Azure, AppServices, AzureSQL, AzureFunctions, ServiceBus, Git, Terraform, Omniverse, ORM 🏢 Description: We are seeking a Senior Backend Engineer who will work with local teammates as well as collaborate closely with our U.S.-based project management and development teams, contributing to the design and implementation of modern cloud‑enabled web applications, APIs, and digital twin solutions for large‑scale data center environments. This is a unique opportunity to work on global projects, leverage cutting‑edge technologies such as Azure Cloud and NVIDIA Omniverse APIs, and help shape the future of our next‑generation simulation and visualization platforms. Key Responsibilities Develop and maintain applications using .NET / .NET Core, and Azure cloud services Contribute to the development of digital twin components, including data ingestion, simulation logic, and integration with Omniverse APIs Collaborate with project managers and developers to ensure alignment with client requirements Participate in all stages of the software development lifecycle: design, coding, testing, debugging, and documentation Write clean, efficient, secure, and maintainable code following best practices Liaise with system analysts and business owners to refine requirements and improve applications Work with Azure services such as App Services, Azure SQL, Azure Functions, or Service Bus (depending on project needs) Requirements 7+ years of experience in software development (.NET / .NET Core, Entity Framework (or other ORM), REST APIs)) Strong C# / .NET programming skills and design principles Familiarity with relational/non relational database design and development (SQL Server preferred) Knowledge of Entity Framework or other ORM tools Proficiency with GitHub or similar version control systems Experience with processing large amounts of data Strong English communication skills, both spoken and written, enabling clear explanation of technical topics Ability to work independently and in a collaborative team environment Knowledge of IaC (Terraform preferred) Ideally You’ll Also Have Interest or experience in cloud‑based simulation, IoT, or digital twin technologies Exposure to Agile methodologies (Scrum) Microsoft Certified Developer Associate or Azure certification We offer Rewarding employment: Full-time employment with a salary that matches your qualifications Hybrid work model: Enjoy the flexibility of working from home, with just several office days per month Flexible hours: Start your day anytime between 7:30 and 10:00 AM Comprehensive benefits: Including Lux Med medical care, psychological support, life insurance, My Benefit cafeteria system, Multisport card co-financing, and a car/bike park sharing system Co-financed holidays: Enjoy "Wczasy pod Gruszą" for a well-deserved break Global projects: Engage in exciting international projects Inclusive networks: Join our diverse employee networks like Women's Network, OneWorld, PRISM, Careers Network, Green Team, SpeakUp, Collectively, and more Continuous learning: Participate in our Graduate Development Program, Learners’ Community, and self-learning platforms Language courses: Enhance your skills with courses in English, German, and Polish

🏢 Summary: Senior Fullstack Engineer / Tooling Architect responsible for designing and developing internal developer tools, automating testing and release processes, and modernizing the CI/CD toolchain for a large insurance project. The role combines backend development in C#/.NET, frontend collaboration in React, and DevOps pipeline and infrastructure automation. You will provide architectural guidance and implement quality frameworks supporting around 200 developers. 🗂️ Requirements: Minimum 5 years of software development experience, Expert knowledge of C# and .NET (latest versions), Hands-on experience building CLI tools and backend solutions, Experience with React or Angular, Practical experience with Azure DevOps Pipelines (YAML, scripting), Basic or intermediate knowledge of Terraform, Knowledge of Contract Testing (PACT), Experience with at least one E2E testing framework (Playwright or Cypress) 📃 Skills: C#, .NET, React, Angular, AzureDevOps, YAML, Terraform, PACT, Playwright, Cypress, CLI, APIs, Scripting 🏢 Description: Introduction We are looking for an experienced professional for the role of Senior Fullstack Engineer / Tooling Architect. In this role, you will design and develop internal developer tools as well as automate testing and release processes for a project delivered for a client from the insurance industry (HDI). You will join a 4-person technical team and deliver solutions used by approximately 200 developers across the organization. Project start: within 2–6 weeks. The project is planned until the end of the year, with the possibility of extension. Responsibilities Designing and implementing backend CLI tools and APIs in C# / .NET (latest versions) to automate documentation and release processes Developing and maintaining frontend interfaces supporting automation tools and documentation (mainly React; frontend-related tasks may also be delegated to other team members) Creating and managing Azure DevOps Pipelines (YAML, scripting) and supporting infrastructure configuration using Terraform (basic/intermediate level) Integrating mechanisms powered by Large Language Models (e.g. automatic test case updates based on Pull Requests) and applying them in the software development lifecycle Implementing software quality concepts, including Contract Testing (PACT) and E2E frameworks (e.g. Playwright, Cypress) — experience with at least one framework is sufficient Providing architectural guidance on integrating E2E testing with legacy systems and dedicated applications Designing and modernizing the CI/CD toolchain as well as acting as a technical leader within the team, including organizing work and taking ownership of the domain Requirements At least 5 years of experience in software development Expert knowledge of C# / .NET (latest versions) with hands-on experience in building CLI tools and backend solutions Experience with React and readiness to collaborate with frontend teams (Angular experience is also acceptable) Practical experience with Azure DevOps Pipelines (YAML, scripting) Basic/intermediate knowledge of Terraform (e.g. App Services configuration) Knowledge of Contract Testing (PACT) concepts and experience with at least one E2E framework (e.g. Playwright, Cypress) — nice to have Experience integrating tools powered by Large Language Models (OpenAI or similar) is considered an advantage English proficiency allowing smooth technical collaboration; German is welcome but not required A mindset focused on enabling teams and improving the productivity of other developers, combined with organizational and leadership skills We Offer Remote work with occasional visits to the office and the client site — work from home while having the opportunity (and sometimes the need) to meet in our Wrocław office Clear communication and a flat organizational structure — no unnecessary hierarchy and easy access to decision-makers An individual growth path — together with your leader, you will plan your development, supported by external training and knowledge-sharing sessions A supportive team culture — we value openness, trust, and mutual support Engaging projects — work on meaningful solutions across various industries such as e-learning, energy, finance, manufacturing, and logistics International teams and clients — improve your English and/or German in real project environments Language classes — company-funded English and German lessons at all levels, including sessions with native speakers Benefits package — private healthcare (LuxMed), life insurance (Unum), and Multisport card Focus on integration and wellbeing — regular team meetings, internal initiatives, squash and badminton groups, and many everyday activities that help build relationships and a positive atmosphere