Senior Go Developer

FYST; España; Presencial; EUR 40.000 - 70.000; Jornada completa

Descripción de la vacante

A leading fintech company in Spain is seeking an experienced backend developer with strong expertise in Golang and a solid understanding of multithreaded systems. You'll play a key role in query optimization, data handling, and implementing new business logic. The ideal candidate will have robust skills in SQL and microservices. This position offers competitive compensation and the chance to grow alongside the company in a dynamic environment.

Servicios

20 days of vacation

Sick leaves

Performance reviews

Formación

• 5+ years of backend development experience, including 2+ years with Golang.
• Deep knowledge of Golang and multithreaded systems.
• Strong SQL skills and experience with relational databases.

Responsabilidades

• Optimize queries to enhance performance.
• Perform data synchronization and transfer tasks.
• Implement new business logic for application expansion.

Conocimientos

Backend development

Golang

SQL

Microservices

Multithreading

Domain-Driven Design

Communication in English

Fluent Russian

Herramientas

PostgreSQL

Redis

Kafka

RabbitMQ

gRPC

Descripción del empleo

WHAT YOU'LL BE WORKING ON

• Query optimization to improve performance and efficiency
• Data handling tasks including synchronization and transfer across services
• Implementing new business logic and expanding application functionality
• Integrating and optimizing system metrics for observability and monitoring

WHAT YOU NEED TO SUCCEED IN THIS ROLE

• At least 5+ years of experience in backend development, including 2+ years of production experience with Golang
• Deep knowledge of Golang and its ecosystem
• Solid understanding of multithreaded systems and concurrent programming principles
• Strong knowledge of SQL and experience working with relational databases
• Proven experience in developing and maintaining microservice architectures
• Strong understanding and practical application of software development principles: SOA, SOLID, KISS, DRY
• Experience in architectural design and readiness to propose and implement technical solutions
• Familiarity with Clean Architecture principles and Domain‑Driven Design (DDD)
• Experience in fintech is a plus, but not required
• Good written and verbal communication skills in English (B1–B2 level or higher) and fluent Russian language

OUR TECH STACK

Go, PostgreSQL, Redis, DynamoDB, Kafka, RabbitMQ, gRPC

WHAT WE OFFER

An opportunity to make something great even greater, you can be the reason why we grow, develop, and become the best fintech company on the market!

Career prospects

We are young, have huge ambitions, and it is important that our employees grow with us. Work with coworkers who are passionate about their business. Compensation that will fully correspond to the competence and knowledge, with yearly performance reviews.

Remote work

20 days of vacation time; bank holidays; sick leaves; additional birthday day off.

You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture