HubMub
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emagine

Senior Golang Developer

emagine
Portugal · Full-time · Not Applicable
This role is focused on designing, building, and maintaining reliable financial platforms, particularly in payment systems and ledger architectures, ensuring the integrity, scalability, and security of transactions.

Main Responsibilities

  • Design, develop, and maintain backend services using Golang
  • Build and manage payment processing workflows (wallets, transfers, settlements, reconciliation)
  • Design and maintain ledger systems ensuring accuracy, idempotency, and auditability
  • Ensure data consistency and integrity across high-volume transaction systems
  • Integrate with external payment providers, banks, and third-party APIs
  • Optimize system performance, scalability, and reliability
  • Implement security best practices (encryption, access control, fraud prevention)
  • Write clean, well-documented, and testable code
  • Participate in architectural decisions and technical reviews
  • Collaborate closely with product, frontend, and DevOps teams

Key Requirements

  • 5+ years of experience as a Backend Engineer
  • Strong proficiency in Golang
  • Proven experience with payments platforms, fintech systems, or digital wallets
  • Solid understanding of double-entry ledger systems
  • Experience with relational databases (MySQL, PostgreSQL)
  • Knowledge of RESTful APIs and microservices architecture
  • Experience handling high-throughput, low-latency systems
  • Strong understanding of transactional systems, consistency, and concurrency
  • Familiarity with Git, CI/CD pipelines, and Agile development

Nice to Have

  • Experience with cloud services (AWS, Azure)
  • Knowledge of additional programming languages (e.g., PHP, Python, Java)
  • Experience with containerization (Docker, Kubernetes)

Key Skills

Ranked by relevance

containerization microservices restful apis python docker devops mysql cloud cicd git aws php
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Country Guide

Portugal

Startup-friendly with strong expat appeal

Posted
May 18, 2026
Type
Full-time
Level
Not Applicable
Location
Portugal
Company
emagine

Industries

IT Services IT Consulting

Categories

Engineering Information Technology

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