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$15k–$21k/mo
Full-time
Medical insurance, Sport subscription, Lunch subsidy, Life insurance, Online training, Certifications
Posted 5d ago
~40 hrs/week
Responsibilities
You will design, develop, and maintain scalable backend services and REST APIs within modern distributed environments. You will also collaborate with cross-functional teams to ensure high-quality delivery, perform code reviews, and support CI/CD processes.
Requirements
Candidates must have at least 5 years of commercial experience with .NET and C# along with strong knowledge of OOP and clean code principles. Proficiency in building distributed systems, RESTful APIs, and automated testing frameworks is required.
Full job description
Type of contract: Employment contract Salary range: 14 500 – 21 300 PLN gross/m
What will you do?
You will design, develop and maintain scalable backend services in modern distributed environments using .NET and C#. Working in Agile teams, you will take ownership of end-to-end delivery – from technical analysis and implementation to deployment and operational support. You will collaborate closely with architects, DevOps and QA to ensure high-quality, secure and reliable systems while actively contributing to improving engineering standards, software quality and delivery processes.
Your tasks
• Design and implement backend services and REST APIs using .NET/C# • Develop production-ready solutions in distributed and cloud-native architectures • Plan and execute development tasks independently • Contribute to technical design and architecture discussions • Write and maintain technical documentation and design notes • Perform code reviews and ensure adherence to engineering standards • Build and maintain automated tests (unit, integration, API) • Troubleshoot and resolve application and integration issues • Participate in Agile/Scrum ceremonies • Support CI/CD pipelines and deployment processes • Implement monitoring, logging and observability practices • Work with asynchronous processing and messaging systems • Share knowledge and support junior engineers
Your skills
• Min. 5 years of commercial experience with .NET and C# • Strong knowledge of OOP, SOLID principles and clean code • Experience with ASP.NET Core • Practical knowledge of asynchronous and multithreaded programming • Experience building RESTful APIs and distributed systems • Knowledge of event-driven architecture and messaging tools (e.g. RabbitMQ, Kafka, Azure Service Bus) • Experience with dependency injection and backend frameworks • Experience with CI/CD pipelines and Git-based workflows • Experience with automated testing frameworks (xUnit, NUnit, FluentAssertions) • Understanding of testing strategies (unit, integration, contract tests) • Knowledge of relational databases and Entity Framework Core • Ability to write efficient SQL queries and debug data issues • Familiarity with logging and monitoring tools • Strong problem-solving skills and ability to work independently • Experience working in Agile/Scrum teams • Good command of English
Nice to have
• Experience with Azure or AWS • Knowledge of Docker and Kubernetes • Experience with microservices architecture • Basic frontend knowledge (Angular, React, TypeScript) • Familiarity with gRPC • Experience in performance optimization and resiliency patterns • Practical use of AI coding assistants (e.g. Copilot, ChatGPT) • Knowledge of Spec-Driven Development • Experience in BFSI domain
We offer
• Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warszawa, Wroclaw (2 office days per week) • Working in a highly experienced and dedicated team • Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.) • Online training and certifications • Access to e‑learning platform • Work From Anywhere (up to 140 days/year abroad) • Social events
Related keywords
.NETC#BackendREST APIDistributed SystemsCloud-nativeAgileScrumCI/CDRabbitMQKafkaAzure Service BusOOPSOLIDClean CodeASP.NET Core
GFT Technologies is an AI-centric global digital transformation company. We design advanced data and AI transformation solutions, modernize technology architectures and develop next-generation core systems for industry leaders in Banking, Insurance, Manufacturing and Robotics. Partnering closely with our clients, we push boundaries to unlock their full potential. With deep industry expertise, cutting-edge technology, and a strong partner ecosystem, GFT delivers responsible AI-centric solutions that combine engineering excellence, high-performance delivery and cost efficiency. Our team of 12,000+ technology experts operate in 20+ countries worldwide offering career opportunities at the forefront of software innovation.
Let’s Go Beyond_
Legal Disclaimer: https://www.gft.com/int/en/legal-disclaimer
Offices: Schelmenwasenstr. 34, Stuttgart, Baden-Württemberg 70567, DE · Via Sile, 18, Milan, MI 20139, IT · 6th Floor, 7 Bishopsgate, London, EC2N 3AR, GB · Al. Rio Negro, núm 585, Ed. Jaçarí, 1 andar, cj 18, Barueri - Alphaville, São Paulo 06.454-000, BR · Avinguda Alcalde Barnils, 71, Sant Cugat del Vallès, Barcelona, 08174, ES
Information TechnologyServiceNowTechnologyBankingInsuranceIndustryCloudITSoftwareBlockchain
GFT Technologies is an AI-centric global digital transformation company. We design advanced data and AI transformation solutions, modernize technology architectures and develop next-generation core systems for industry leaders in Banking, Insurance, Manufacturing and Robotics. Partnering closely with our clients, we push boundaries to unlock their full potential. With deep industry expertise, cutting-edge technology, and a strong partner ecosystem, GFT delivers responsible AI-centric solutions that combine engineering excellence, high-performance delivery and cost efficiency. Our team of 12,000+ technology experts operate in 20+ countries worldwide offering career opportunities at the forefront of software innovation.
Let’s Go Beyond_
Legal Disclaimer: https://www.gft.com/int/en/legal-disclaimer
Offices: Schelmenwasenstr. 34, Stuttgart, Baden-Württemberg 70567, DE · Via Sile, 18, Milan, MI 20139, IT · 6th Floor, 7 Bishopsgate, London, EC2N 3AR, GB · Al. Rio Negro, núm 585, Ed. Jaçarí, 1 andar, cj 18, Barueri - Alphaville, São Paulo 06.454-000, BR · Avinguda Alcalde Barnils, 71, Sant Cugat del Vallès, Barcelona, 08174, ES
Information TechnologyServiceNowTechnologyBankingInsuranceIndustryCloudITSoftwareBlockchain