Описание:

As (Senior) Backend Engineer at Gymondo, you build and improve the scalable backend systems that power our platform for hundreds of thousands of active users. You work with a modern tech stack, establish new services using clean architecture principles, and help translate legacy concepts into maintainable, future-proof code. Your work directly shapes the technical foundation that enables Gymondo to grow — reliably, efficiently and at scale.

Задачи:

You build, improve and maintain scalable backend services using Golang and Gin-Gonic, following clean architecture and established design patterns
You design and implement REST APIs following OpenAPI standards, with a focus on clarity, reliability and long-term maintainability
You contribute to our microservice architecture — working on reliability, scaling, stateless applications and event-driven systems
You rebuild legacy concepts and translate them into well-known programming patterns with transparent and maintainable business logic
You develop data-driven features and are involved in all stages of the development process — from design to deployment
You work on our scalable, automated infrastructure using AWS, Kubernetes and Terraform
You participate in peer code reviews, write unit tests and champion agile development practices
You share knowledge, discuss better solutions openly and grow together with the team

Требования:

4+ years of professional experience in backend-focused development, including infrastructure
3+ years contributing to microservice architectures with a focus on reliability, scaling, stateless applications, event-driven systems and clean architecture
3+ years designing REST APIs following OpenAPI standards
Proven hands‑on experience with Golang and Gin-Gonic
Ability to design proof of concepts and prototypes
Standardised coding practices: peer code reviews, unit testing and a preference for agile development
An open mindset and genuine interest in state‑of‑the‑art technologies and methodologies
Fluent English
Будет плюсом: Experience with JVM languages (Kotlin / Java) and frameworks such as Ktor, Spring or Node.js;
A Product Engineer mindset: balancing technical excellence with business impact, proactively identifying trade‑offs that prioritise user value and speed‑to‑market without compromising long‑term system health;
Strong communication skills across the Product & Engineering team and additional stakeholders;
A collaborative, humble approach — you promote good relationships in your guild and are always willing to learn from others

Условия:

30 days of vacation per year + Christmas Eve & New Year's Eve as additional paid days off
Hybrid working model — 60% in the office, 40% from home, applicable to all working hours
Up to 4 weeks of work from abroad per year (Berlin-based roles)
Free Urban Sports Club M membership & access to Nilo Health for mental health and personal development
Free access to 7Mind, Gymondo & Buddyfit — our own digital wellbeing products
€30 monthly mobility budget via Navit
€1,000 annual training budget + a wide range of opportunities for personal growth and development
Family-friendly benefits — childcare costs & paid sick days for children
The office classics — fruit & vegetable basket, muesli & yogurt (also vegan), drinks & snacks
Pet-friendly office — four-legged colleagues are very welcome!

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7NXT Health Group