Fullstack Developer

🏢 Summary: Contract opportunity for a Fullstack Developer to design and deliver web applications using modern Python and JavaScript frameworks, with a focus on AI-driven solutions. The role involves building and maintaining backend services, developing responsive frontend interfaces, and deploying applications in a cloud environment. Onsite presence is required in the Greater Copenhagen Area with a hybrid setup. 🗂️ Requirements: Strong backend development experience with Python, Experience with FastAPI, SQLAlchemy, Alembic, Proficiency in JavaScript and TypeScript, Experience with React and NextJS, Experience with PostgreSQL, Knowledge of Qdrant or other vector databases, Experience with Azure cloud platform, Experience with Docker containerization, Ability to develop and maintain fullstack web applications, Availability to work onsite minimum 3 days per week 📃 Skills: Python, FastAPI, SQLAlchemy, Alembic, JavaScript, TypeScript, React, NextJS, PostgreSQL, Qdrant, Azure, Docker, LLM, LangChain, LangGraph 🏢 Description: Introduction & Summary We are seeking a highly skilled Fullstack Developer. The ideal candidate will possess extensive experience in backend and frontend development, with proficiency in Python and JavaScript frameworks. If you have a passion for developing innovative solutions and a keen interest in AI technologies. Main Responsibilities As a Fullstack Developer, you will be responsible for designing and implementing web applications and services. Your focus will be on enhancing user experiences through effective software solutions. Develop and maintain backend services using Python with FastAPI. Implement frontend solutions utilizing React / NextJS. Work with PostgreSQL (Relational) and Qdrant (Vector) databases. Utilize Azure and Docker for deploying applications. Collaborate with cross-functional teams to define, design, and ship new features. Ensure code quality and maintainability throughout the development process. Debug and optimize existing applications. Key Requirements Strong experience in backend development using Python (FastAPI, SQLAlchemy, Alembic). Proficient in frontend technologies, specifically Javascript/Typescript with React / NextJS. Experience with relational databases, particularly PostgreSQL. Knowledge of vector databases like Qdrant. Familiarity with cloud platforms such as Azure. Experience with Docker for containerization. Experience with LLM / AI technologies is a plus. Bonus: Familiarity with LangGraph / LangChain for Python. Nice to Have Previous experience with AI-driven applications. Understanding of software design patterns and best practices. Experience in agile development methodologies. Start: ASAP End: End of September 2026 Location: Greater Copenhagen Area Onsite/remote: min. 3 days onsite per week

🏢 Summary: B2B contract opportunity for a Fullstack Developer to build and maintain scalable web and mobile applications using Angular, Flutter, and .NET technologies in a hybrid model. The role involves developing frontend and backend components, designing RESTful APIs, and ensuring security, performance, and quality within Agile teams. The position offers collaboration with cross-functional teams and growth across modern technologies. 🗂️ Requirements: Minimum 2 years of software development experience, Strong knowledge of Angular and Flutter, Proficiency in HTML, Proficiency in CSS, Strong knowledge of TypeScript, Strong knowledge of JavaScript frameworks, Experience with C#, Experience with .NET, Experience with SQL Server, Experience with NoSQL databases, Ability to design and implement RESTful APIs, Experience with Git, Experience working in Agile methodologies 📃 Skills: Angular, Flutter, HTML, CSS, TypeScript, JavaScript, C#, .NET, SQL, SQLServer, NoSQL, REST, Git, Agile 🏢 Description: We’re looking for a Fullstack Developer (m/f/n) to join our client's dynamic development team and help build high-quality, scalable applications that make an impact. You’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions — and have the opportunity to grow your skills across multiple technologies. What you’ll do: Develop, maintain, and enhance applications using Angular and Flutter Support backend development with C#/.NET and SQL Design and implement RESTful APIs and integrate them with frontend applications Ensure application security, performance, and scalability Perform unit testing, debugging, and participate in code reviews Collaborate in Agile sprints, contributing to planning, development, testing, and deployment Work closely with the Product team to translate requirements into technical solutions Stay up to date with emerging technologies and suggest process improvements What we’re looking for: 2+ years of software development experience Strong knowledge of Angular, Flutter, HTML, CSS, TypeScript, and JavaScript frameworks Experience with C#/.NET and SQL Server (plus NoSQL) Familiarity with Git and Agile methodologies Strong problem-solving skills and attention to detail Excellent communication and teamwork skills A proactive mindset and eagerness to learn new technologies Nice to have: Experience with Ionic or Cordova Knowledge of Azure or AWS cloud platforms Familiarity with Azure Functions, Azure DevOps, and CI/CD pipelines Experience with authentication frameworks (OAuth, JWT, IdentityServer) Interest in cross-platform development Offer: Contract type: B2B via Shimi Rate: 100 PLN/h netto+VAT Work model: hybrid (3 days at the office in Cracow) Benefits: Multisport and Luxmed cards

🏢 Summary: Full-Stack / Backend Developer role focused on building and maintaining scalable applications and REST APIs that support client products. The position involves developing new integrations, enhancing existing backend and frontend systems, and improving platform performance and reliability. You will contribute to architecture improvements and work within a cloud-based environment. 🗂️ Requirements: Minimum 3 years commercial experience, Experience with Java, Experience with Spring Boot, Experience with AWS, Experience with MongoDB, Experience with PostgreSQL, Experience with React.js, Experience designing REST APIs, Knowledge of backend architecture, Experience with cloud environments, Understanding of clean code principles, Experience working in Agile environment 📃 Skills: Java, SpringBoot, AWS, MongoDB, PostgreSQL, React, REST, Agile, Cloud, Architecture 🏢 Description: We are looking for an experienced Full-Stack / Backend Developer to join our team and help build scalable applications and APIs supporting our clients’ products. You will work on both backend and frontend solutions, contributing to product development, system improvements, and ongoing platform stability. Your Responsibilities Develop new APIs to support client integrations and business features. Maintain and enhance existing backend and frontend applications. Fix bugs and improve application performance and reliability. Upgrade and support operational aspects of the platform. Identify opportunities to improve product quality, architecture, and development processes. Collaborate with developers, product teams, and stakeholders to deliver high-quality solutions. Participate in code reviews and contribute to best engineering practices. Required Skills Minimum 3 years of commercial experience with: Java Spring Boot AWS MongoDB PostgreSQL React.js Experience designing and developing REST APIs. Knowledge of backend architecture and modern web applications. Experience working with cloud-based environments (AWS). Understanding of software development best practices and clean code principles. Ability to work in an Agile development environment.

🏢 Summary: The role involves developing and enhancing a language proficiency testing platform as part of an agile team, focusing on scalable backend and cross-platform frontend solutions. The position requires strong experience in microservices, serverless architecture, CI/CD, and cloud-based systems, along with active participation in code reviews and technical decision-making. You will work on improving code quality, testing practices, and system reliability in a remote or hybrid model. 🗂️ Requirements: 7+ years of software development experience, Fluency in English, Experience with microservices architecture, Experience with serverless architecture, Experience with CI/CD pipelines, Strong knowledge of unit, integration, and E2E testing, Strong knowledge of Java and related frameworks, Experience with relational databases and MongoDB, Experience with messaging systems (AWS SQS required), Strong knowledge of JUnit, Knowledge of backend security best practices and OWASP, Experience with AWS cloud services, Experience with Docker, Experience with cross-platform frontend development, Experience with Angular and React ecosystems 📃 Skills: Java, Play, Spring, SBT, Maven, Gradle, MongoDB, SQL, SQS, RabbitMQ, Kafka, JUnit, OWASP, AWS, Docker, Selenium, Sonar, Angular, TypeScript, React, Redux, MUI, Electron, Axios, Jest, Vitest, Karma, Jasmine 🏢 Description: Full Stack Developer will involve developing and enhancing a platform designed for conducting language proficiency tests. Your responsibilities: Work on an agile engineering team, following Agile best practices while writing maintainable and scalable code and influencing team decisions Collaborate with stakeholders to design and test new product functionalities Review the code of other team members and provide constructive direction. Promote a culture of sharing through mentoring and knowledge exchange Drive continuous improvement of code quality, customer experience, and maintainability of products/features Independently clarify technical requirements, assess development estimates, and apply a broad range of design approaches We are looking for you, if you have: 7+ years of experience Fluency in English is a must Experience on Microservice and Serverless architecture Experience on CI/CD practices Solid testing knowledge – E2E, unit testing, integration testing, etc. Technicall skills: Java: Play3 Framework/Spring Boot SBT, Maven, Gradle MongoDB and Relational Databases Bus messaging systems. AWS SQS is a must, but other technologies like RabbitMQ and Kafka will also be considered Strong Junit knowledge Backend security best practices, including familiarity with OWASP Experience with AWS technologies, Docker, Selenium, Sonar Cross-platform development Angular 13 + TypeScript React + Redux + Material UI (MUI) + TypeScript Electron Axios Jest, Vitest, Karma and Jasmine We offer: Participation in interesting and demanding projects Flexible working hours A great, non-corporate atmosphere Stable employment conditions (contract of employment or B2B contract) Opportunities for development and promotion Attractive package of benefits Work model: remote or hybrid (2 days per week from the office) We reserve the right to contact the selected candidates.

🏢 Summary: Mid/Senior Fullstack Developer role focused on designing and developing modern web applications across the entire technology stack. The position involves full software lifecycle participation, including architecture design, backend and frontend development, database modeling, API integrations, testing, and CI/CD processes. The developer will build new solutions and enhance existing systems with strong emphasis on quality, performance, and automation. 🗂️ Requirements: Minimum 2 years of web application development experience, Experience delivering at least 3 projects end-to-end, RWD development using Bootstrap 4 and BEM, Very good knowledge of HTML5, CSS3, SASS, SCSS, JavaScript, Experience with React or Angular or Vue or Redux, Experience with REST API integration, Experience with Python frameworks: Django or Flask or FastAPI, Experience with SQL and NoSQL databases, Experience with Docker or Podman, Experience with CI/CD pipelines, Experience writing tests using unittest or pytest, Experience with Git version control 📃 Skills: HTML5, CSS3, SASS, SCSS, JavaScript, React, Angular, Vue, Redux, Python, Django, Flask, FastAPI, SQL, NoSQL, REST, Docker, Podman, CI/CD, unittest, pytest, Git, Bootstrap, BEM, RWD 🏢 Description: Szukasz projektu, w którym będziesz mieć realny wpływ na rozwój nowoczesnych aplikacji webowych, uczestniczyć w projektowaniu architektury oraz pracować nad rozwiązaniami obejmującymi cały stack technologiczny? Dla naszego klienta poszukujemy Mid/Senior Fullstack Developera, który wesprze zespół w tworzeniu nowych aplikacji webowych oraz rozwoju istniejących rozwiązań. Osoba na tym stanowisku będzie uczestniczyć w pełnym cyklu wytwarzania oprogramowania – od analizy wymagań biznesowych, przez projektowanie i implementację, aż po wdrożenie i utrzymanie systemów. Twój zakres obowiązków: Projektowanie i rozwój aplikacji webowych: Tworzenie oraz rozwijanie nowoczesnych aplikacji webowych w oparciu o technologie frontendowe i backendowe, z uwzględnieniem wymagań biznesowych, wydajnościowych oraz jakościowych. Współpraca przy analizie i planowaniu rozwiązań: Ścisła współpraca z Product Ownerem, analitykami oraz interesariuszami biznesowymi w zakresie zbierania wymagań, planowania prac, estymacji zadań i proponowania optymalnych rozwiązań technologicznych. Implementacja nowych funkcjonalności: Projektowanie i rozwój nowych modułów systemowych, integracji oraz funkcjonalności wspierających realizację celów biznesowych organizacji. Projektowanie i rozwój warstwy danych: Tworzenie, rozwój i optymalizacja struktur baz danych SQL i NoSQL, modelowanie danych oraz zapewnienie wydajnej komunikacji pomiędzy aplikacją a warstwą bazodanową. Integracja systemów i rozwój API: Implementacja oraz rozwój usług opartych o REST API, integracja z systemami zewnętrznymi oraz zapewnienie niezawodnej wymiany danych pomiędzy komponentami rozwiązania. Dbałość o jakość i automatyzację procesów: Tworzenie testów jednostkowych i automatycznych, udział w procesach CI/CD, wykorzystanie konteneryzacji oraz wdrażanie dobrych praktyk programistycznych zapewniających wysoką jakość kodu. Współpraca zespołowa i rozwój architektury: Aktywny udział w pracach zespołu projektowego, code review, dzieleniu się wiedzą oraz współtworzeniu architektury rozwijanych rozwiązań. Dokumentacja techniczna: Przygotowywanie i aktualizacja dokumentacji technicznej, projektowej oraz powykonawczej, wspierającej utrzymanie i dalszy rozwój aplikacji. Nasze wymagania: Minimum 2 lata doświadczenia w tworzeniu aplikacji webowej Przynajmniej 3 projekty realizowanych w zespole kilku osobowym lub samodzielnie - w pełnym cyklu wdrożenia rozwiązania od identyfikacji źródeł danych do uruchomienia aplikacji. Umiejętność wytwarzania stron internetowych w technice RWD (Bootstrap 4) w metodologii BEM Bardzo dobra znajomość HTML5, CSS3, SASS, SCSS oraz JavaScript Doświadczenie w pracy z jednym z Framework’ów: ReactJS , Angular, Vue, Redux Umiejętność pracy z API REST Znajomość technologii Python DJango, Flask, FastAPI Doświadczenie w pracy z bazami danych SQL jak i NoSQL Preferowane środowisko programistyczne: VS Code, PyCharm Znajomość konteneryzacji (Docker/Podman) Doświadczenie z procesami CI/CD Doświadczenie z GIS Umiejętność pisania testów z wykorzystaniem unittest/pytest Praca z wykorzystanym system kontroli wersji GIT Mile widziane: Doświadczenie z K8s Doświadczenie z GitLab Znajomość Jenkins oraz Selenium

🏢 Summary: Fullstack Developer role focused on building and maintaining a global digital product supporting resale and service operations. The position covers end-to-end ownership of micro frontends and microservices, from development to production deployment. The role emphasizes scalability, performance, cloud infrastructure, and modern development practices. 🗂️ Requirements: Strong backend experience with Java or Kotlin, Solid frontend development experience with React or similar framework, Experience working in AWS cloud environment, Practical knowledge of microservices architecture, Experience with CI/CD pipelines, Ability to work in trunk-based development model, Experience with event-driven systems such as Kafka, Experience with Kubernetes-based deployments 📃 Skills: Java, Kotlin, React, AWS, Kubernetes, Kafka, GitLab, Microservices, Microfrontends, CICD, Trunkbased, Eventdriven 🏢 Description: Join our project and help build a global digital product used by retailers and service advisors around the world. We are looking for an experienced Fullstack Developer to join the team with a product that supports resale operations and service processes by delivering accurate, optimised information to employees across the dealer network. This is a great opportunity for someone who enjoys working across the full application lifecycle, from development to production. You will be part of a team that owns the product end-to-end — from building new functionality to deploying and maintaining it in production. This is a hands-on engineering role where you will work closely with other developers, contribute to a shared codebase, and help ensure the product remains stable, scalable, and high-quality. What you will work on: Developing and maintaining micro frontends and microservices Improving system performance, stability, and scalability Integrating the platform with internal and external services Continuously improving code quality and development practices Contributing throughout the full lifecycle of the application, including production deployment What we are looking for: Strong experience in backend development using Java/Kotlin Solid understanding of frontend development with React or a similar framework Experience working in cloud environments , preferably AWS Practical experience with microservices architecture Experience with CI/CD pipelines and modern software development practices Ability to work in a trunk-based development setup Experience working with event-driven systems , such as Kafka Strong familiarity with AI-assisted and agentic workflows as part of everyday software development Tech stack: Frontend: React, micro frontends Backend: Kotlin & Java, microservices Infrastructure: AWS, Kubernetes CI/CD: GitLab Pipelines Messaging: Kafka

🏢 Summary: Junior+ Fullstack Developer role focused on building and maintaining an API-first medical platform and AI-powered medical agent using text and voice technologies. The position combines backend (Python) and frontend (Vue/Nuxt) development while ensuring compliance, automated testing, and readiness for medical audits. You will contribute to high-performance feature development and support a certified medical device in preparation for market entry. 🗂️ Requirements: Ability to work independently on backend (Python) and frontend (Vue/Nuxt) tasks, Experience with modern, typed, asynchronous Python in web development, Experience with Vue.js and Nuxt.js, Practical knowledge of relational databases, Familiarity with automated testing using Pytest and Playwright, Familiarity with static code analysis tools, Ability to follow established architectural and design patterns, Experience maintaining CI/CD pipelines, Comfortable using English and Polish in written and spoken communication 📃 Skills: Python, Vue, Nuxt, PostgreSQL, Pytest, Playwright, Pylint, Mypy, GitLab, Docker, Kubernetes, LLM, RAG, CI/CD, WebAPI 🏢 Description: We're a remote-first company that gathers folks passionate about redesigning healthcare for millions of people on the planet. If you are led by an ambition to make a good impact in the surrounding world, we would love to meet you. Your impact We are looking for a junior plus-level Fullstack Developer to support the development of our products. We mainly focus on two projects: Sophisticated medical agent that utilizes both text and voice technologies, where we are currently transitioning from a high-growth development phase to market readiness. MGP (Medical Guidance Platform) - a modular, API-first B2B platform currently used by multiple enterprise clients. As we prepare for critical audits and market entry, you will balance maintaining a mature codebase with the rapid development of new, high-performance features. This isn't just about writing code; it’s about developing a certified medical device that will change patient outcomes. You’ll be working with Web APIs, LLMs, and automated testing to ensure our medical assistant remains robust, compliant, and ready for global scale. Responsibilities Developing an API-first platform and a medical agent, specifically tackling the challenges of multitenancy and the integration of text/voice LLM technologies Contributing within technical lifecycle of our Medical Device features (from effort estimation and risk assessment to ensuring all development meets the rigorous documentation standards required for medical audits) Supporting the product development as a full-stack developer with an even split between backend (Python) and frontend (Vue/Nuxt) Supporting the team’s efforts in maintaining a robust CI/CD pipeline and automated testing, ensuring the balance between rapid feature growth and mature system maintenance Supporting other teams with technical knowledge, especially Tech Support or Customer Success Working with agentic tools like Cursor or Claude Code Working in an environment where automated testing, code reviews, and technical documentation are part of the daily definition of 'done’ Role requirements Ability to work independently with an even split between backend (Python) and frontend tasks (Vue/Nuxt) Experience with modern, typed, and asynchronous Python used in web development Experience with frontend technologies (we use Vue.js and Nuxt.js) Being comfortable with fast-paced environments Ability to follow established Architectural or Design Patterns Practical knowledge of relational databases (we use PostgreSQL) Familiarity with automated testing (Pytest + Playwright) and static code analysis (Pylint, Mypy) Comfortable using English and Polish for both written and spoken communication Nice to have Familiarity with concepts related to LLMs (RAGs, vector databases, prompt engineering, and performing evaluations of model outputs) Familiarity with CI/CD and DevOps concepts or tools like Docker, Docker Compose, CI/CD pipelines (we are using GitLab CI), and Kubernetes

🏢 Summary: Contract B2B Fullstack Developer role (hybrid in Wroclaw) focused on building and maintaining enterprise-grade financial platforms using Java/Spring Boot and Angular. The position involves developing microservices, scalable APIs, and responsive UI components while contributing to CI/CD and DevOps practices. The role requires ensuring high performance, security, and reliability within Agile teams. 🗂️ Requirements: Strong experience in Java 17/21+, Strong experience with Spring Boot, Experience with microservices architecture, Solid experience in Angular 14/16+, Experience with TypeScript, HTML, CSS, Experience building REST APIs, Experience with relational databases (Oracle, SQL Server, or PostgreSQL), Experience with Git, Experience with CI/CD tools (Jenkins or GitHub Actions), Understanding of secure application design, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CI/CD, Agile, Scrum 🏢 Description: We are looking for a talented and experienced Fullstack Developer to join our growing team at a global leader in financial services platforms. Work mode: Hybrid, 3 days from office in Wroclaw, Poland Type of contract: Contract: B2B only ( 1 year with extensions) Key Responsibilities: Design, develop, test, and maintain full-stack applications using Java/Spring Boot on the backend and Angular on the frontend. Build scalable APIs, microservices, and UI components for enterprise-grade platforms. Ensure application performance, code quality, security, and reliability through best engineering practices. Participate in code reviews, design discussions, and continuous improvement initiatives. Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes. Contribute to CI/CD pipelines , automated testing, and DevOps practices to improve software delivery. Support integration with databases, messaging systems, and third-party/internal enterprise services. Follow Agile/Scrum practices and actively participate in sprint ceremonies. Required Qualifications: Strong hands-on experience in Java  ( 17/21+) development , with Spring Boot and microservices architecture. Solid experience in Angular ( 14/16+) , TypeScript, HTML, CSS, and responsive UI development. Good understanding of REST APIs, backend integration patterns, and secure application design. Experience with relational databases such as Oracle, SQL Server, or PostgreSQL. Familiarity with source control tools such as Git, and CI/CD tools such as Jenkins, GitHub Actions, or similar. Understanding software development lifecycle, testing frameworks, and Agile methodologies. Strong analytical, problem-solving, and communication skills. Experience with version control systems, preferably Git. Benefits: Collaborative and supportive team culture Opportunity to work with global teams and stakeholders Exposure to innovative and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk

🏢 Summary: Long-term remote Full-Stack Developer role for a UK banking client within a global enterprise environment. The position involves building and maintaining .NET and React applications, integrating REST APIs, and working with SQL Server in a regulated financial services setting. Offers exposure to enterprise-scale banking solutions with a B2B contract and remote work from Poland. 🗂️ Requirements: 3+ years of full-stack development experience, Proficiency in C#, Experience with ASP.NET Core, Experience with .NET Web API, Experience with React, Knowledge of HTML5, Knowledge of CSS3, Knowledge of JavaScript, Knowledge of TypeScript, Experience with RESTful APIs, Experience with SQL Server, Knowledge of stored procedures, functions, and views, Experience with Entity Framework, Understanding of design patterns, Knowledge of database normalization, Experience with Azure DevOps, Knowledge of CI/CD, Understanding of application security, performance, and scalability, Bachelor's degree in Computer Science or related field 📃 Skills: C#, ASP.NET, .NET, React, HTML5, CSS3, JavaScript, TypeScript, REST, SQL, SQLServer, EntityFramework, AzureDevOps, CI/CD, Azure, SFTP 🏢 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: 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