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 Customer Application. The primary mobile application serves as a critical self-service tool for over 800,000 users. It is currently undergoing a technology refresh, migrating to a modern framework to improve scalability, performance, and accessibility compliance across the organization's European footprint.

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:

• Lead the development of complex solutions comprising cloud infrastructure and platform services utilizing automated deployment methods
• Apply agile methodology to software development processes
• Communicate effectively with peers and delivery team stakeholders
• Forge close links with architects, developers, analysts, and wider team members

Requirements:

• Minimum 5 years' experience in this role developing complex solutions
• Expert proficiency in .Net Core, C#, REST APIs, Microservices, and Unit Testing / TDD
• Expert knowledge of AWS components: IAM, Lambda, DynamoDB, RDS, SQS, SNS, S3, Cloudfront, ECS, API Gateways, and Infrastructure as Code using Cloudformation
• Expert proficiency in OpenAPI/Swagger and test tooling like Apium & Postman
• Expert skills in Azure DevOps pipelines (YAML), Docker, and Git/source control (branching & pull requests)
• Expert knowledge of code quality and security scanning tools: Sonarqube and Snyk
• Expert proficiency in monitoring and logging: AWS Elastic Search & Kibana, CloudWatch, AWS Alerts, Dashboards, and Xray
• Expertise in JIRA, Confluence, and SCRUM software development processes
• Valid AWS Certified Developer – Associate certificate (required from day 1)
• Fluent English speaking and excellent attention to detail

Desirable:

• Competency in working within a Product Operating Model

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.

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