Design, develop, maintain, and enhance .NET microservices and backend APIs that support critical payment workflows
Analyse and optimise existing applications for performance, scalability, and reliability
Investigate and troubleshoot production issues, identifying root causes and delivering high-quality fixes
Refactor legacy components into modern, cloud-ready services
Contribute to improving engineering standards, code quality, and best practices through thoughtful code reviews
Collaborate with engineers, product managers, and QA to deliver high-impact features for millions of users
Mentor junior engineers, providing guidance on architecture, coding patterns, and engineering principles

5+ years of experience building highly scalable, customer-facing systems using modern .NET (C#, .NET 6/7/8)
Strong experience developing RESTful APIs and microservices using ASP.NET Core
Solid experience building and maintaining distributed services, with a focus on performance, resilience, and observability
Advanced proficiency in SQL Server, including optimisation of complex queries, stored procedures, and database schema design
Hands-on experience with caching technologies such as Redis
Proficiency in integrating with internal and external REST APIs
Experience working in event-driven or message-based architectures (Kafka, SNS/SQS, RabbitMQ – exposure is fine)
Solid understanding of cloud-native development, ideally with AWS (Lambda, API Gateway, DynamoDB, SNS/SQS, ECS/EKS)
Strong experience with Git-based workflows
Good understanding of secure coding, authentication/authorisation patterns, and modern internet security practices
Experience working in an Agile, cross-functional team
Strong verbal and written communication skills in English

Ongoing Training & Mentoring
Possibility to grow and experience different projects
Agile environment where your ideas are welcome
Be part of our collegial environment where responsibility and authority are shared equally amongst colleagues
Culture in which we don’t criticise failure but ensure we learn from our mistakes

.Net Engineer – Mid, Senior

Key skills