Senior Go Engineer - Fintech Microservices & APIs

Powens; Barcelona; Presencial; EUR 50.000 - 55.000; Jornada completa

Descripción de la vacante

Powens, a European Open Finance partner, is seeking a Senior Software Engineer to join the EMI team in Barcelona. You will design, build, and maintain scalable systems for electronic money services via a unified API and dashboard. The role emphasizes microservices, hexagonal architecture, and strong testing, with a focus on performance, reliability, and ongoing collaboration with product and tech leads.

Formación

• 2-3 years of software engineering experience.
• Strong knowledge of software design principles and patterns.
• Hands-on experience with hexagonal architectures and Domain Driven Design (DDD).
• Strong proficiency in Go (Python is a plus).
• Experience designing RESTful APIs (familiarity with GRPC is a plus).
• Knowledge of Kubernetes, RabbitMQ, SQL & NoSQL databases, Redis, Kafka, and Docker.
• Fluent English (Spanish and/or French are a plus).
• Comfortable working asynchronously, with strong written communication skills.
• Strong self-management skills, with the ability to prioritize independently in a remote-friendly environment.
• Sound judgment in using AI tools, with good review practices.
• Able to see projects through to completion while staying open to feedback and new approaches.
• Familiarity with AWS and core cloud-based web technologies is a plus.
• Experience with CI/CD pipelines is a plus.

Responsabilidades

• Design, develop, and maintain scalable, high-performance software systems.
• Build and improve testing automation to catch regressions before they reach production.
• Write unit and integration tests as a core part of your development process.
• Contribute to portal improvements supporting B2B2B and B2B2C onboarding flows
• Improve monitoring and visibility into transaction errors and bottlenecks using tools like Grafana.
• Collaborate with the Product Owner, Tech Lead, and other stakeholders to gather requirements and design effective solutions
• Communicate regularly with the team on roadmap progress and propose technical improvements.
• Analyze requirements and propose system solutions, evaluating different options with their pros and cons.
• Contribute to code quality through code reviews.

Conocimientos

Go

Domain Driven Design

Hexagonal architecture

RESTful APIs

English proficiency

Asynchronous work

Self-management

AI tool usage

Herramientas

Kubernetes

RabbitMQ

Docker

Kafka

Redis

GRPC

AWS

SQL

NoSQL

Descripción del empleo

Powens, a European Open Finance partner, is seeking a Senior Software Engineer to join the EMI team in Barcelona. You will design, build, and maintain scalable systems for electronic money services via a unified API and dashboard. The role emphasizes microservices, hexagonal architecture, and strong testing, with a focus on performance, reliability, and ongoing collaboration with product and tech leads.