Senior .Net Developer & AWS

🏢 Summary: The offer is for a senior developer responsible for developing and maintaining complex banking systems using .NET and related technologies. The role involves backend development, system integrations, database optimization, and working within microservices architecture in an Agile environment. The position requires strong experience with enterprise-level systems and CI/CD practices. 🗂️ Requirements: Minimum 5 years of experience in banking sector, Very good knowledge of .NET Core and .NET Framework, Experience with Transact-SQL and relational databases, Knowledge of MS SQL, Experience with Visual Studio 2022, Experience with SQL Server Management Studio, Knowledge of WebAPI, WCF, Web Services, Experience in object-oriented programming, Experience with Git, Practical experience with microservices architecture, Good knowledge of Spring Boot, Good knowledge of Spring Data JPA, Good knowledge of React (Next.js), Experience with GitLab CI and CI/CD, Experience working in Agile/Scrum, English for technical documentation and communication 📃 Skills: .NET, NETCore, NETFramework, SQL, TSQL, MSSQL, WebAPI, WCF, WebServices, Git, SpringBoot, SpringDataJPA, React, Next.js, Microservices, GitLabCI, CICD, VisualStudio, SSMS 🏢 Description: Twój zakres obowiązków Rozwój i utrzymanie aplikacji w technologii .NET Tworzenie i optymalizacja zapytań SQL oraz praca z bazą danych MS SQL Integracja systemów z wykorzystaniem WebAPI, WCF oraz Web Services Analiza działania oraz rozwój złożonych systemów informatycznych Współpraca z zespołem projektowym w metodykach zwinnych Praca z systemem kontroli wersji Git Tworzenie i utrzymanie dokumentacji technicznej Nasze wymagania Minimum 5 lat doświadczenia zawodowego w branży bankowej Bardzo dobra znajomość .NET Core oraz .NET Framework Doświadczenie w pracy z Transact-SQL oraz relacyjnymi bazami danych Znajomość MS SQL Doświadczenie w pracy z Visual Studio 2022 oraz SQL Server Management Studio Znajomość technologii integracyjnych takich jak WebAPI, WCF, Web Services Doświadczenie w programowaniu obiektowym Znajomość systemu kontroli wersji Git Umiejętność analizy i zrozumienia złożonych systemów IT Znajomość języka angielskiego umożliwiająca pracę z dokumentacją techniczną Doświadczenie w pracy w metodykach Agile Spring Boot – dobra znajomość Spring Data JPA – dobra znajomość React (Next.js) – dobra znajomość Architektura mikroserwisów – znajomość praktyczna (nie tylko teoretyczna) (szukamy osoby z doświadczeniem w microserwisach) GitLab CI – doświadczenie w CICD Doświadczenie w pracy w zespole Agile/Scrum Angielski na poziomie umożliwiającym komunikację i pracę z dokumentacją Mile widziane Doświadczenie w pracy w sektorze finansowym

🏢 Summary: The offer is for a .NET Developer responsible for designing, developing, and maintaining scalable backend applications and APIs within a collaborative engineering environment. The role focuses on high-quality software delivery, architectural contributions, and cloud-based solutions. It also involves application monitoring, incident resolution, and continuous improvement of engineering standards. 🗂️ Requirements: Strong experience with CSharp and DotNetCore, Experience building REST APIs, Proficiency with EntityFrameworkCore and SQL, Experience with Azure or AWS, Experience with CICD pipelines, Proficiency with Git, Experience with unit and integration testing, Knowledge of Agile methodologies, Experience with message brokers such as AzureServiceBus or RabbitMQ 📃 Skills: CSharp, DotNet, DotNetCore, REST, EntityFrameworkCore, SQL, Azure, AWS, CICD, Git, UnitTesting, IntegrationTesting, AzureServiceBus, RabbitMQ, Microservices, Angular, Docker, Kubernetes, AzureFunctions, Agile 🏢 Description: Summary: A highly skilled .NET Developer is needed to solve complex problems and enhance software quality within a collaborative engineering culture. Responsibilities: * Analyze, design, develop, and maintain applications using .NET / .NET Core * Build scalable backend services (APIs) * Collaborate with cross-functional teams (Business, Development, Infrastructure…) * Participate in code reviews and elevate engineering standards * Contribute to architectural decisions and technical roadmaps * Provide business support by monitoring applications and troubleshooting incidents Must Haves: * Strong experience with C# and .NET Core * Solid understanding of REST APIs, Entity Framework Core, and SQL * Familiarity with cloud platforms (Azure or AWS) * Experience with CI/CD pipelines and version control (Git) * Strong testing culture: unit tests, integration tests, and production validation * Knowledge of Agile development practices * Mindset focused on quality, performance, and maintainability * Experience with a message broker (Azure Service Bus or RabbitMQ) * Fluent in English; proficiency in French or Dutch is a plus Nice to Haves: * Knowledge of microservices architecture * Experience with front-end frameworks (Angular) * Background in distributed systems or high-availability environments * Knowledge of Docker & Kubernetes * Experience with Azure Functions Other Details: * Location: [Not specified] * Team Structure: Cross-functional collaboration is emphasized * Reporting Lines: [Not specified] * Project Context: Development and maintenance of impactful software solutions

🏢 Summary: Offer for an experienced .NET Developer to design, develop and maintain modern banking and financial systems based on microservices architecture and Microsoft Azure cloud. The role focuses on high-quality software development using DDD and CQRS principles in Agile environments. 🗂️ Requirements: 3–4 years of commercial experience as .NET Developer, Very good knowledge of .NET Core, Experience with DDD and CQRS, Practical experience with Entity Framework, Experience with MS SQL Server and T-SQL, Knowledge of Microsoft Azure cloud services, Experience with Apache Kafka or RabbitMQ, Knowledge of design patterns and coding best practices, Experience working in Agile/Scrum, English level B2–C1 📃 Skills: .NET, .NETCore, C#, DDD, CQRS, EntityFramework, MSSQL, T-SQL, Azure, Kafka, RabbitMQ, Microservices, ASP.NET, Oracle, PostgreSQL, Angular, TypeScript, RxJS, CSS, Docker, Kubernetes, Scrum 🏢 Description: O projekcie Poszukujemy doświadczonego .NET Developera do realizacji projektów dla sektora bankowego i finansowego. Osoba na tym stanowisku będzie odpowiedzialna za projektowanie, rozwój oraz utrzymanie nowoczesnych systemów opartych o architekturę mikroserwisową i rozwiązania chmurowe. Jeżeli cenisz wysoką jakość kodu, nowoczesne podejście do tworzenia oprogramowania oraz chcesz pracować przy rozwoju systemów o kluczowym znaczeniu biznesowym – zapraszamy do aplikowania. Twój zakres obowiązków Projektowanie, rozwój i utrzymanie aplikacji opartych o platformę .NET Tworzenie i rozwijanie rozwiązań zgodnych z zasadami DDD oraz CQRS Implementacja i rozwój usług oraz integracji systemowych Projektowanie i optymalizacja baz danych Współpraca z zespołami analitycznymi, testerskimi oraz DevOps Tworzenie dokumentacji technicznej Udział w code review oraz dbanie o wysoką jakość dostarczanego oprogramowania Współpraca w środowisku Agile/Scrum Nasze wymagania Minimum 3–4 lata doświadczenia komercyjnego na stanowisku .NET Developer Bardzo dobra znajomość .NET Core Doświadczenie w projektowaniu aplikacji zgodnie z podejściem DDD (Domain-Driven Design) oraz CQRS Praktyczna znajomość Entity Framework Doświadczenie w pracy z MS SQL Server oraz T-SQL Znajomość usług chmurowych Microsoft Azure Doświadczenie w integracji systemów z wykorzystaniem Apache Kafka i/lub RabbitMQ Znajomość dobrych praktyk programistycznych oraz wzorców projektowych Umiejętność pracy zespołowej i samodzielnego rozwiązywania problemów Znajomość języka angielskiego na poziomie B2–C1 Mile widziane Doświadczenie w pracy z ASP.NET MVC Znajomość baz danych Oracle oraz PostgreSQL Doświadczenie frontendowe z Angular Znajomość TypeScript, RxJS oraz CSS Doświadczenie w pracy z Docker Znajomość Kubernetes Doświadczenie w projektach dla sektora bankowego lub finansowego Znajomość architektury mikroserwisowej i systemów rozproszonych Oferujemy Udział w zaawansowanych projektach dla sektora bankowego i finansowego Możliwość pracy zdalnej lub hybrydowej Elastyczne godziny pracy Stabilną współpracę przy długoterminowych projektach Możliwość rozwoju kompetencji w obszarze architektury systemów, chmury i nowoczesnych technologii .NET Dostęp do nowoczesnych narzędzi i technologii Współpracę z doświadczonym zespołem ekspertów IT Atrakcyjne wynagrodzenie adekwatne do doświadczenia i kompetencji Jeżeli chcesz rozwijać nowoczesne rozwiązania technologiczne, pracować z architekturą opartą o DDD, CQRS i chmurę Azure oraz realizować projekty o dużej skali biznesowej – zapraszamy do aplikowania.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining scalable backend solutions within a DevOps-driven environment. The role involves full software development lifecycle participation, cloud integration, and performance optimization. The position requires collaboration in Agile teams and ensuring high code quality and seamless deployment processes. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments, Experience implementing CI/CD practices, Ability to optimize application performance and scalability 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOps, CI/CD, Agile 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: The offer is for a Backend .NET Developer responsible for building and maintaining robust backend systems while supporting full software development lifecycle and DevOps practices. The role involves working in Agile teams, ensuring high performance, scalability, and seamless integration of applications. The position also emphasizes containerization and cloud-based solutions using Azure. 🗂️ Requirements: Proven experience with .NET development, Strong knowledge of Docker, Strong knowledge of Kubernetes, Familiarity with Microsoft Azure, Experience with Azure DevOps Server, Experience working in Agile environments 📃 Skills: .NET, Docker, Kubernetes, Azure, AzureDevOpsServer, Agile, DevOps, Microservices 🏢 Description: Main Responsibilities Design, develop, and maintain robust backend solutions. Collaborate across teams to ensure seamless software integration. Participate in the full software development lifecycle. Implement DevOps practices for continuous integration and delivery. Optimize application performance and scalability. Review and improve code quality through peer reviews. Key Requirements Proven experience with .NET development. Strong knowledge of Docker and Kubernetes . Familiarity with Microsoft Azure and Azure DevOps Server . Experience working in Agile environments . Strong problem-solving skills. Nice to Have Experience with microservices architecture . Knowledge of additional programming languages. Familiarity with front-end technologies.

🏢 Summary: Development of backend functionalities for a smart shopping cashback platform using .NET Core in a microservices architecture. The role involves building and maintaining services, integrating with external partners, optimizing SQL Server queries, and ensuring high code quality through testing and best practices. Work includes active participation in backlog refinement and sprint planning. 🗂️ Requirements: Minimum 5 years of experience in .NET Core and C#, Experience in designing and optimizing SQL Server queries, Experience with message queue systems, Experience in building and maintaining microservices, Backend development in .NET Core 📃 Skills: .NET, C#, SQLServer, AzureServiceBus, EventHub, Kafka, MQ, Microservices 🏢 Description: Dla Klienta z branży finansowej poszukujemy .NET Developera. Współpracując z nami będziesz zaangażowany w rozwój platformy smartshoppingowej, aplikacji cashbackowej. Zadania: Projektowanie i implementacja nowych funkcjonalności backendowych platformy w technologii .NET Core Rozwój i utrzymanie mikroserwisów oraz integracja z zewnętrznymi partnerami Implementacja i rozwój wyszukiwarek treści Tworzenie i optymalizacja zapytań do baz danych (SQL Server, Cosmos DB) Udział w analizie wymagań, refinementach backlogu i planowaniu sprintów Dbanie o jakość kodu poprzez testy jednostkowe, code review i zgodność z dobrymi praktykami. Wymagania: Min. 5 lat doświadczenia w programowaniu w .NET Core / C# Tworzenie i optymalizacja zapytań do baz danych (SQL Server) Praca z systemami kolejkowymi (preferowane Azure Service Bus, Event Hub lub Kafka, MQ) Umiejętność analitycznego myślenia i pracy z dokumentacją Mile widziana: Doświadczenie w pracy z search engines, preferowany Azure AI Search, ale też inne np. ElasticSearch Znajomość Azure Cosmos DB lub inne bazy NoSQL (np. MongoDB) i wie, kiedy je stosowa Doświadczenie w tworzeniu aplikacji uruchamianych w chmurze Azure (AppServices, Functions, Storage, Application Insights/Log analytics) Tworzenie dokumentacji API (Swagger/OpenAPI) Doświadczenie w tworzeniu backendu dla aplikacji mobilnych

🏢 Summary: Development of online and mobile banking systems with focus on scalability, high performance and availability. The role involves building and enhancing a transaction system based on microservices architecture while ensuring high security standards. Work is carried out in a SCRUM environment. 🗂️ Requirements: Minimum 5 years of experience in .NET programming, Strong knowledge of C#, Strong knowledge of .Net Core, Strong knowledge of Entity Framework, Knowledge of microservices architecture, Knowledge of REST, Knowledge of SQL and query optimization, Experience with unit testing, Knowledge of application security, Understanding of distributed systems architecture, English proficiency at B2 level or higher, Higher education degree 📃 Skills: .NET, C#, .NetCore, EntityFramework, Microservices, REST, SQL, SCRUM, UnitTesting, Security, DistributedSystems, Kafka, Redis, DDD, CQRS 🏢 Description: Zadania: Rozwój bankowości internetowej oraz mobilnej, w szczególności: Rozwiązywanie problemów związanych ze skalowalnością, wysoką wydajnością i dostępnością systemów Rozwój systemu transakcyjnego opartego na architekturze mikroserwisowej Tworzenie oprogramowania zgodnego ze standardami bezpieczeństwa Praca w metodologii SCRUM Wymagania: Minimum 5 lat doświadczenia w programowaniu .NET. Bardzo dobra znajomość C#, .Net Core, Entity Framework. Znajomość architektury mikroserwisowej oraz REST. Znajomość SQL oraz sposobów optymalizacji zapytań bazodanowych. Znajomość zagadnień związanych z pisaniem testów jednostkowych. Znajomość zagadnień związanych z bezpieczeństwem aplikacji. Zagadnienia architektury rozproszonej. Znajomość języka angielskiego w piśmie i mowie (min. B2). Wykształcenie wyższe. Mile widziane: Znajomość: Apache Kafka od strony programistycznej. Redis. Wzorca Domain Driven Design. Zagadnień związanych z optymalizacją aplikacji. Wzorca CQRS.

🏢 Summary: The offer is for a Senior .NET Developer with 5+ years of experience to design, develop, and maintain scalable backend applications using modern .NET technologies. The role focuses on building high-quality APIs, contributing to architectural decisions, and ensuring application reliability in cloud-based environments. It involves close collaboration with cross-functional teams and strong engagement in testing, CI/CD, and production support. 🗂️ Requirements: Minimum 5 years of experience with .NET development, Strong experience with C# and .NET Core, Solid understanding of REST APIs, Experience with Entity Framework Core, Strong knowledge of SQL, Experience with cloud platforms (Azure or AWS), Experience with CI/CD pipelines, Experience with Git version control, Experience with unit and integration testing, Experience with message broker systems, Familiarity with agile development practices 📃 Skills: C#, .NET, .NETCore, REST, EntityFramework, SQL, Azure, AWS, CI/CD, Git, UnitTesting, IntegrationTesting, MessageBroker, Angular, Docker, Kubernetes, Microservices 🏢 Description: Summary: We’re looking for a highly skilled .NET Developer with a minimum of 5 years of experience. This role focuses on solving complex problems, building high-quality software, and contributing to a collaborative engineering culture. The candidate should be passionate about clean architecture, modern .NET development, and delivering impactful solutions. Responsibilities: Analyze, design, develop, and maintain applications using .NET / .NET Core. Build scalable backend services (APIs). Collaborate with cross-functional teams (Business, Dev, Infra, etc.). Participate in code reviews to elevate engineering standards. Contribute to architectural decisions and technical roadmaps. Provide business support and monitor applications (level 2 support, incident resolution, and troubleshooting). Key Requirements: Strong experience with C# and .NET Core. Solid understanding of REST APIs, Entity Framework Core, and SQL. Familiarity with cloud platforms (Azure or AWS). Experience with CI/CD pipelines and version control (Git). Strong testing culture: unit tests, integration tests, and production validation. Familiarity with agile development practices. A mindset focused on quality, performance, and maintainability. Experience with a message broker. Nice to Have: Knowledge of microservices architecture. Experience with front-end frameworks (Angular). Background in distributed systems or high-availability environments. Knowledge of Docker & Kubernetes. Experience with Azure functions. Other Details: This position allows for flexibility and may accommodate remote work arrangements. Candidates should be prepared for collaborative team engagements with a focus on delivering high-quality software solutions.

🏢 Summary: The role involves designing, developing, and maintaining .NET applications and services with a strong focus on code quality and system reliability. The position includes writing automated tests, participating in architectural discussions, and collaborating with QA and DevOps teams. It is suited for an experienced .NET Developer comfortable working with production systems and modern development practices. 🗂️ Requirements: Commercial experience as .NET Developer, Strong knowledge of C#, Strong knowledge of .NET Framework or .NET 6+, Experience with SQL databases, Understanding of software architecture, Knowledge of data modeling, Experience maintaining production systems, English proficiency B2 or higher 📃 Skills: C#, .NET, SQL, REST, Selenium, Gherkin, Jenkins, HTTPS, LDAP, SSH, SFTP, TLS, Architecture, DataModeling, UnitTesting, IntegrationTesting 🏢 Description: Responsibilities: Designing, developing, and maintaining .NET applications and services Write and maintain automated unit and integration tests Participate in code reviews and architectural discussions Collaborate with QA, DevOps, and product teams Requirements: Commercial experience as a .NET Developer Strong knowledge of C#, .NET Framework and/or .NET 6+ Experience working with SQL databases Understanding of software architecture designs and data modeling Experience maintaining production systems Communicative English (B2) Nice to have: Experience creating technical documentation Experience with REST API, Selenium, Gherkin, Jenkins, HTTPS, LDAP, SSH, SFTP, TLS What we offer: Flexible forms of employment and working hours (CoE or B2B) An interesting, challenging job in the dynamically developing Capital Group company; Work on innovative projects using modern technologies; Direct impact on shaping the image of the Capital Group's companies on the market; Possibility to develop competences in a wide range; Attractive salary; Stability of employment and a friendly work atmosphere; Cool benefits, among others integration meetings, internal company competitions, fruit Tuesdays, sweet Thursdays and much more;

🏢 Summary: Long-term project for a Senior/Expert .NET Developer focused on backend and API development within enterprise banking systems. The role involves developing and optimizing software solutions, working with legacy code, and providing technical leadership and mentorship. The position emphasizes high-quality standards, collaboration, and code excellence in a complex financial environment. 🗂️ Requirements: Strong knowledge of C#, Strong knowledge of .NET framework, Expertise in ASP.NET Core, Experience in API development, Experience with SQL Server design and development, Ability to analyze and troubleshoot legacy code, Solid understanding of OOP principles, Knowledge of software engineering best practices 📃 Skills: C#, .NET, ASP.NET, SQL, T-SQL, Git, Jenkins, Angular, HTML, CSS, JavaScript, Visual Studio, Postman, Swagger, Bitbucket, Bootstrap, SQL Server 🏢 Description: We’re looking for an Expert/Senior .NET Developer to join a long-term project for a leading client in the banking industry. Project Type: Enterprise banking systems – backend & API development, code optimization, and mentorship Responsibilities: Design, develop, and maintain software solutions Analyze, refactor, and troubleshoot legacy code Conduct code reviews and uphold high-quality standards Collaborate with QA and Business Analysts Mentor junior developers and provide technical leadership Must-Have Experience: Strong knowledge of C# and the .NET framework Expertise in ASP.NET Core and API development Experience with SQL Server (design & development) Ability to work with and troubleshoot legacy code Solid understanding of OOP and software engineering best practices Nice-to-Have: Familiarity with Git, Jenkins, and testing frameworks Understanding of cloud concepts & web security best practices Knowledge of frontend technologies (Angular, HTML, CSS, JavaScript) Tools & Tech Stack:Visual Studio, Postman, Swagger, Bitbucket, SQL Server Management Studio, T-SQL, Bootstrap (or similar)