Backend Engineering
at Scale.
We design, build, and modernize distributed systems for Europe's most demanding enterprises. Golang. Microservices. Cloud‑native.
Modernizing critical trading systems — transforming Perl/Oracle monolith into AWS Lambda microservices architecture
EnergyAd delivery platform at 900 RPS serving Marktplaats.nl, 2dehands.be, and Kijiji.ca — Java monolith decomposed to Golang microservices
E-CommerceProduction pipeline powering the printing and distribution of 1.5 million daily newspapers across the Netherlands
Media & PublishingMail infrastructure serving 35 million daily active users — led engineering team, conducted 150+ technical interviews
TechnologyDistributed Systems Architecture
Designing and building microservices that handle millions of daily transactions. From system design to production deployment, with battle-tested patterns for reliability.
Legacy Modernization
Transforming monolithic applications into cloud-native microservices on AWS. Zero-downtime migrations that actually ship, with measurable performance improvements.
AWS Cloud Migration
End-to-end migration of on-premise and legacy infrastructure into AWS. Lambda, DynamoDB, SQS/SNS — architected for cost efficiency, resilience, and operational excellence.
High-Scale Platform Engineering
Building and optimizing platforms that serve millions of users with sub-second response times. Performance tuning, bottleneck elimination, and infrastructure that grows.
Ready to Scale?
Let's discuss how TOP CODERS B.V. can help engineer your next platform.
Amsterdam, Netherlands