Senior .NET Engineer

Ciklum is looking for a Senior .NET Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior .NET Engineer, become a part of the Product Engine team. This bespoke, cloud-native system manages the entire credit lifecycle. Built on a modern tech stack and cloud infrastructure, it supports hundreds of thousands of active credit card customers and is being expanded to replace legacy systems for instalment loans across multiple markets. This project is with a global Financial Services Provider that focuses on providing responsible credit to underbanked customers in international markets. The current strategy centers on consolidating technology delivery to a single partner to drive efficiency and operational excellence. Responsibilities: Develop complex solutions comprising cloud infrastructure services and platform services using automated deployment methods Communicate effectively with technical peers and delivery team stakeholders Forge close links with architects, developers, analysts, and wider team members within the development team Prioritize individual workloads and escalate key issues as required to maintain project momentum Maintain self-sufficiency while contributing to high-quality software delivery cycles Requirements: Minimum 5 years' experience in developing complex solutions and managing technical teams Expert proficiency in .NET Core, C#, REST APIs, HTML/CSS, React, MVC, and Unit Testing / TDD Expert knowledge of AWS components: API Gateway, Lambda, ECS, Fargate, S3, Aurora RDS, DynamoDB, CloudFormation, Load Balancers, Route 53, SQS, SNS, EC2, Kinesis, and IAM Expert proficiency in Azure DevOps Pipelines, Docker, and Git/source control Valid AWS Certified Developer – Associate certificate as an advantage Expert soft skills: Fluent English, attention to detail, and ability to communicate effectively with both peers and delivery team stakeholders Desirable: Expertise in AWS monitoring tools: Elastic Search service & Kibana, and CloudWatch Proficiency in AWS CloudTrail and JIRA / Confluence What’s in it for you? Strong community: Work alongside top professionals in a friendly, open-door environment Growth focus: Take on large-scale projects with a global impact and expand your expertise Tailored learning: Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company-paid certifications Endless opportunities: Explore diverse domains through internal mobility, finding the best fit to gain hands-on experience with cutting-edge technologies Flexibility: Enjoy flexibility – full remote working possibilities Care: We've got you covered with company-paid premium medical package through Luxmed Benefits: Access the MyBenefit cafeteria platform, allowing you to choose perks that best suit your lifestyle and needs About us: At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress. With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward-thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions. Explore, empower, engineer with Ciklum! Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum. #LI-KZ1