CareerPlan

Senior Software Engineer

BarcelonaFull-time2026-10-10 → 2026-11-10
Hybrid

Core

Senior Software Engineer building scalable, high-availability core payment platform services and APIs for a global FinTech network.

Role type

Senior Software Engineer (Golang)

Builds

Core business products, high-availability services, and APIs for real-time global payments

Domain

FinTech / Payments / Distributed Systems

Required skills

Golang, Event-Driven Architecture, Message Brokers (Kafka, RabbitMQ, AWS SNS/SQS), Relational Databases (PostgreSQL, MySQL), API Design, Agile Methodology

Preferred skills

Fintech domain knowledge, Startup mindset, TDD, CI/CD practices

Technologies

Golang, AWS SNS/SQS, Apache Kafka, RabbitMQ, PostgreSQL, MySQL

Responsibilities

Design and implement new product features and services; Ensure scalability and performance of the core platform; Deliver high-quality, secure, and documented software; Champion Agile principles (code reviews, sprint planning); Evaluate new technologies and initiatives

Seniority

Senior, hands-on IC