Senior .NET Developer

🏢 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: Leadership role focused on defining architecture and standards for backend services in a .NET ecosystem while building a scalable, cloud-based platform. The position combines hands-on development, technical ownership, and mentoring of engineers in delivering reliable systems that support complex engineering processes. The role involves active participation in product and architectural decisions within a cloud and NoSQL environment. 🗂️ Requirements: Minimum 7 years experience in .NET/C# development, Experience in technical leadership or team leading, Practical experience with cloud platforms (AWS, Azure or GCP), Experience with NoSQL databases, Strong API design skills, Experience with system integrations, Focus on code maintainability and best practices, English level B2/C1, Residence or work authorization in Poland 📃 Skills: .NET, C#, AWS, Azure, GCP, NoSQL, API, Backend, Cloud, SOLID, CleanCode 🏢 Description: Jesteśmy częścią międzynarodowej organizacji notowanej na NASDAQ w Sztokholmie, działającej w 11 krajach. W Polsce mamy pełną autonomię. Sami wybieramy technologie, procesy i sposób pracy, zachowując najwyższe standardy. Realizujemy różnorodne projekty IT w Polsce i globalnie, w wielu obszarach i technologiach, co pozwala rozwijać kompetencje i zdobywać doświadczenie dopasowane do Twoich ambicji. Naszą współpracę opieramy na filozofii CARE. Rozumiemy ją jako odpowiedzialny dobór projektów, transparentną współpracę oraz długofalowe podejście do rozwoju. Dołącz do nas jako .NET Technical Lead Rozwijaj się w środowisku, które myśli o Twoim rozwoju tak samo, jak Ty. Twoje zadania: Technical Ownership: Definiowanie architektury i standardów rozwoju usług backendowych w ekosystemie .NET. Jesteś odpowiedzialny za to, by platforma była niezawodna i gotowa na obsługę złożonych procesów inżynierskich. Leadership & Mentoring: Prowadzenie zespołu inżynierów, wspieranie ich rozwoju poprzez code review oraz promowanie najlepszych praktyk (SOLID, Clean Code). Cloud: Wykorzystanie rozwiązań chmurowych oraz baz NoSQL do budowy stabilnego i wydajnego backendu. Business & Tech: Aktywny udział w projektowaniu rozwiązań, które wymagają zrozumienia specyficznych potrzeb zespołów technicznych. Jesteś partnerem dla interesariuszy przy podejmowaniu kluczowych decyzji produktowych. Rozwój produktu: Rozwijanie narzędzia wspierającego zarządzanie zmianą i współpracę w projektach – budujesz systemy, które rewolucjonizują codzienny warsztat pracy inżynierów Wymagania: Doświadczenie Seniora/Leada: Minimum 7 lat w software development (.NET/C#) oraz predyspozycje liderskie lub doświadczenie w prowadzeniu zespołu. Znajomość rozwiązań chmurowych: Praktyczne zrozumienie usług chmurowych (idealnie AWS ale Azure oraz GCP też są akceptowane) oraz doświadczenie z bazami danych NoSQL. Solidne fundamenty inżynierskie: Bardzo dobra znajomość projektowania API, integracji systemowych oraz dbałość o maintainability kodu. Kompetencje komunikacyjne: Swoboda w budowaniu partnerskich relacji w zespole i jasnym tłumaczeniu zawiłości technicznych. Angielski (min. B2/C1): Sprawna komunikacja w międzynarodowym środowisku biznesowym. Musisz mieszkać i/lub posiadać uprawnienia do pracy w Polsce. Co oferujemy? • Pracę w skandynawskiej kulturze opartej o logikę i dialog. • Benefity w obszarze zdrowia i sportu dopasowane do potrzeb. • Speed Coaching, krótkie sesje, które dają nowe perspektywy i rozwiązania. • Treningi sportowe, wewnętrzna drużyna, wspólne zawody. • Imprezy integracyjne i spotkania rozwojowe.

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

🏢 Summary: 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: Long-term remote B2B contract for an experienced Full Stack Software Engineer (React + .NET) to build cloud-native applications for the energy sector. The role involves developing scalable end-to-end solutions using React, .NET, PostgreSQL, and Azure in a microservices-based architecture. Work is conducted in an agile team during North American hours. 🗂️ Requirements: Minimum 3+ years of professional experience in full-stack development, Strong commercial experience with React and .NET, Proficiency in React hooks, context, React Query and state management, Solid knowledge of C# and building RESTful APIs in .NET, Experience with PostgreSQL including schema design and performance optimization, Hands-on experience with Azure and containerized applications, Experience with CI/CD pipelines such as GitHub Actions or Azure DevOps, Strong experience with test-driven development (TDD), Experience with Playwright or similar UI testing frameworks, Experience working with microservices architecture, EU citizenship and residence in Poland, English level minimum B2 📃 Skills: React, TypeScript, .NET, C#, PostgreSQL, Azure, AKS, ACI, Docker, Microservices, REST, Playwright, TDD, GitHub, GitHubActions, AzureDevOps, CI/CD, GraphQL, gRPC, DDD 🏢 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 Software Engineer (React+.NET) to join a remote development team working on modern, cloud-native applications for the energy sector. If you enjoy building scalable solutions, working with modern technologies, and collaborating in agile teams. Project information: Type of project: IT Services Office location: Poland Work mode: Remote Working hours: North American working hours – 13:00–21:00 CET, occasionally 15:00–23:00 CET Budget: 160–170 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 end-to-end features across the full stack using React, .NET, and PostgreSQL Build and maintain cloud-native solutions using Azure containerized environments and microservices architecture Create scalable backend APIs using .NET (C#) Design and implement modern React-based frontend components Write clean, maintainable code following test-driven development (TDD) practices Implement and maintain automated tests, preferably using Playwright for UI and end-to-end testing Collaborate with product owners, designers, and engineers in an agile team environment Participate in code reviews, design discussions, and architectural decisions Actively use GitHub Copilot to enhance development efficiency and quality Troubleshoot, debug, and optimize applications for performance and scalability Requirements: Minimum 3+ years of professional experience in full-stack development Strong experience as a Full Stack Developer with React and .NET Proficiency in React (hooks, context, React Query, state management) Experience with TypeScript is highly desirable Solid knowledge of .NET (C#) and building RESTful APIs Experience with PostgreSQL, including schema design and performance optimization Hands-on experience with Azure and containerized applications (e.g., Azure Container Apps, AKS, or ACI) Experience working with CI/CD pipelines such as GitHub Actions or Azure DevOps Strong experience with test-driven development (TDD) Experience with Playwright or similar UI testing frameworks Comfortable working with AI-assisted development tools such as GitHub Copilot Strong communication skills and ability to collaborate in agile development environments Good English communication skills, minimum B2 Nice to have: Experience with microservices or distributed architectures Knowledge of GraphQL or gRPC Familiarity with Domain-Driven Design (DDD) Experience using Azure DevOps Boards or Jira We offer: Remote working model Full-time job agreement based on on b2b Private medical care with dental care (covering 70% of costs) Multisport card (also for an accompanying person) Life insurance

🏢 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: Long-term backend role focused on building and maintaining system integrations in an Azure-native environment using C#/.NET. The position involves developing APIs and microservices, working with cloud services, and improving CI/CD and Infrastructure as Code solutions within an Agile/SAFe setup. The project connects internal and external systems to support real business operations. 🗂️ Requirements: Minimum 3 years of experience as a Backend or .NET Developer, Strong experience with C# and .NET 6+, Experience building and maintaining system integrations, Hands-on work with REST APIs, message queues, FTP, microservices, Experience with Azure or other cloud platforms (AWS, GCP), Basic knowledge of Infrastructure as Code, Experience with CI/CD pipelines, Experience working in distributed systems or microservices architecture 📃 Skills: C#, .NET, Azure, AWS, GCP, REST, APIs, Microservices, MessageQueues, FTP, Terraform, Bicep, Pulumi, AzurePipelines, GitHubActions, GitLabCI, Jenkins, TeamCity 🏢 Description: Do you want to build integrations that power real business operations across the globe? Are you ready to work in an Azure-native environment where you can grow your skills in cloud, messaging, and microservices? If you enjoy learning on the job and working closely with business and Scrum teams, this project could be a great fit. Join a long-term integration team in Poland, contributing to solutions that connect systems for clients, partners, and internal teams. Key responsibilities Develop backend applications in C# / .NET Build and maintain integrations between systems (APIs, messaging, microservices) Work with cloud services (mainly Azure) Support and improve CI/CD pipelines and Infrastructure as Code (IaC) solutions Troubleshoot and resolve integration issues Collaborate with other application teams in an Agile/SAFe-based environment Ideal candidate profile At least 3 years of experience as a backend or .NET developer Practical experience with C# and .NET (6+) Experience with system integrations (REST APIs, message queues, FTP, microservices) Familiarity with cloud platforms (Azure preferred, AWS/GCP acceptable) Basic understanding of Infrastructure as Code (Azure Bicep, Terraform, Pulumi) and CI/CD pipelines (Azure Pipelines, GitHub Actions, GitLab CI/CD, Jenkins, TeamCity) Comfortable working in a distributed systems / microservices environment Team-oriented, communicative, and eager to learn from both business and technical teams Conditions Location: Gdańsk (Olivia Centre) Work model: Hybrid (2-3 days in the office) Employment type: B2B Project duration: Long-term cooperation expected; the first contract for 6-12 months Salary: 100-150 PLN/h Recruitment steps Initial call with a KUBO recruiter Interviews with the client Decision and feedback

🏢 Summary: B2B opportunity for an experienced .NET Back-End Developer to build modern, scalable cloud-based solutions using C# and Azure. The role focuses on designing high-performance services, working with CosmosDB, and collaborating in an Agile team with exposure to AI-assisted development tools. This is a fully remote position with competitive hourly rates and long-term cooperation. 🗂️ Requirements: 5+ years of professional experience in .NET development, Strong experience with C#, Proven experience with Azure services, Experience with CosmosDB, Experience with TypeScript or JavaScript, Bachelor’s degree in Computer Science or related field, Ability to align with US-based team working hours, English language proficiency 📃 Skills: .NET, C#, Azure, CosmosDB, TypeScript, JavaScript, AI, Playwright, Selenium, Drupal 🏢 Description: For our client from the technology and industrial solutions sector, we are looking for a .NET Back-End Developer to join a talented development team working on modern, scalable software solutions. Responsibilities: Design, develop, and maintain high-performance back-end services using .NET and C#. Work extensively with Azure cloud services and CosmosDB to build scalable and resilient solutions. Collaborate with front-end developers, product owners, and other team members to integrate back-end services. Participate in code reviews, architectural discussions, sprint planning, and other Agile ceremonies. Use modern development tools and practices to improve productivity, code quality, and maintainability. Explore and apply AI-assisted tools where appropriate to support development, documentation, troubleshooting, and workflow efficiency. Contribute to improving development processes, engineering practices, and team knowledge sharing. Be a proactive problem-solver and continuous learner, staying current with relevant technologies and industry trends. Requirements: Application Development Experience: 5+ years of professional experience in .NET development. Cloud Development Expertise: Proven experience with C#, Azure services, and CosmosDB. Scripting / Front-End Knowledge: Experience with TypeScript preferred, or JavaScript. AI Tool Familiarity: Interest in or hands-on experience using AI tools to support software development, productivity, documentation, research, or troubleshooting. Educational Background: Bachelor’s degree in Computer Science or a related field. Flexibility: Ability to align somewhat with US-based team working hours. Communication: English language proficiency. Stack: Cloud: Azure, CosmosDB Back-End: .NET, C# Scripting / Tooling: TypeScript preferred, JavaScript acceptable Productivity / AI Tools: Familiarity with AI-assisted development or productivity tools is a plus Nice to have: Domain Knowledge: Background in Electrical Engineering or a related technical field. Background or interest in analog and mixed-signal hardware design. Knowledge of hardware or system simulation concepts. CMS Knowledge: Familiarity with Drupal. Test Automation Exposure: Familiarity with tools like Playwright or Selenium. Quality Mindset: Prior QA experience or understanding of QA methodologies is welcome. Offer: Cooperation based on a B2B contract and rate: 140-170 PLN/hour 100% remote work The support of a dedicated mentor. In the relationship, we focus on direct communication. When you join speedapp, you will be put in touch with a dedicated mentor who will make sure that you enjoy working with us and with the client. Events and integration meetings, as well as participation in various initiatives, e.g., sports. Access to the benefits offering (medical care, Multisport card). About Speedapp At speedapp, we believe that an organization is only as good as the people who make it up. We are a team of IT experts and other professionals working for our clients around the world (including Israel, Austria, USA). We go far beyond the HR category. We build IT teams and also help manage them. 👉 10 years of experience 👉 +100 clients worldwide +300 hires per year 💎 We have won the prestigious "Forbes Diamonds" award four times (2022, 2023, 2024, 2025). We are a member of the European Fast Growth Icons network and FinTech Poland. We are ranked 18th among the 100 fastest growing companies 2023 by Clutch.

🏢 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: Senior .NET Engineer role focused on developing and enhancing end-to-end financial applications using .NET, Angular, and Azure within an agile team. The position involves building, testing, and maintaining scalable solutions based on microservices and cloud technologies in a hybrid work model. The engineer contributes to high-quality code delivery and continuous improvement of business-critical systems. 🗂️ Requirements: 4+ years of experience in developing, testing, and launching applications, Strong knowledge of C# and .NET, Strong experience with Angular (v17 or v18 preferred), Experience with microservice architecture, Understanding of Cloud Computing concepts, Experience with Azure Cloud Services, Familiarity with SQL scripting (MSSQL), Knowledge of ASP.NET, Understanding of DevOps concepts and CI/CD, English proficiency at B1 level or higher 📃 Skills: C#, .NET, Angular, Azure, ASP.NET, SQL, MSSQL, CI/CD, Microservices, DevOps, Cloud 🏢 Description: We are seeking a skilled Senior .NET Engineer with experience in Angular and Azure, for our Client, a global leader in the area of banking, investment banking and financial services. You will work as part of a Poland-based agile development team that supports a growing business, continuously improving its custom end-to-end solutions in collaboration with users to address changing needs in the financial services space. As a development team, we are just as passionate about producing optimal business solutions as we are about technology. This position offers a hybrid model of work, with 3 days per week working from the office located in Wroclaw . Responsibilities Provide technology solutions that will solve business problems Develop, test, deploy, maintain, and enhance new and existing applications Provide technical expertise and recommendations for assessing new software projects and initiatives to support and enhance existing applications Deliver high-quality code aligned with guidelines and standards Conduct code reviews and test software as needed Collaborate with other engineers to develop and maintain code quality standards Add value to the team through your knowledge and programming skills, continually striving for outstanding performance Learn from your motivated and skilled colleagues, while also sharing your knowledge with other team members Requirements 4+ years of experience in developing, testing, and launching applications Strong knowledge of C# and .NET Strong experience with Angular (preferably with versions 17 or 18) Experience with microservice architecture and Cloud Computing concepts Familiarity with SQL scripting (MSSQL) Understanding of DevOps concepts, including CI/CD and the value of automated testing Commitment to fostering an inclusive workplace and valuing diversity Knowledge of ASP.NET Experience with Azure Cloud Services Strong written and verbal communication skills in English (B1 level or higher) 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.