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# Backend Engineer

- **Company:** Dyflexis Bekijk Alle Vacatures
- **Location:** Den Haag, Netherlands (Remote available)
- **Experience:** Expert
- **Salary:** €6,933.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, PHP (Programming Language), Software Quality, Relational Databases, Software Debugging, DevOps, MySQL, Scrum Methodology, Query Optimization, Symfony, Backend, Gitlab-ci, Kubernetes, Front End Software Development, Domain Driven Design, Docker
- **Published:** August 19, 2026
- **Apply:** https://www.careerjet.nl/jobad/nlf7f1be600b478afdee25a52734675880

## About the Role

5+ years building backend systems that hold up under production traffic, with real input into the architecture decisions behind them
Solid experience with PHP (Symfony) and relational databases like MySQL, including hands-on query optimization
Experience debugging complex code and functionality using metrics and monitoring
A business-first thinker: familiar with Domain-Driven Design (DDD), making sure business rules are clearly and correctly implemented in code
Comfortable with ownership: you ship it, you own it
Proactive by default: you flag risks and blockers early, and give status updates without being asked
Experience with Docker and GitLab CI/CD; Kubernetes is a plus

## Description

How do we do it? We work in a fast-paced environment with short communication lines. There are no unnecessary meetings and no politics.
Our Focus? Ownership, clear communication, and getting things done together. We move quickly, learn by doing, and continuously improve how we support our customers. Right now, we're scaling across Europe and into the US, and we need a Backend Engineer that can carry that weight.
This is what you'll do
As our Backend Engineer, you'll build the engine behind our platform: designing features that hold up under enterprise traffic, optimizing the paths that can't afford to crack, and partnering closely with Frontend, Product, and DevOps to turn business needs into systems that simply work. Reliability doesn't just happen here, we design for it. You care about clean code, resilient systems, and top notch performance.
Create technical designs for features that handle enterprise traffic across regions, and optimize the critical paths for performance and reliability
Champion operational excellence, from code quality and testing to release readiness
Collaborate with Product Owners, UX designers, and DevOps to turn business needs into working systems, owning it end to end and flagging early when something's off track
Mentor engineers who are growing fast
Work in focused 6-week cycles, a deliberate post-scrum method built for builders


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