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Freelance

Principal Engineer (Golang/AWS Microservices) - 100% Remote/ 3 days ago

limango
Attractive
Application ends: 2026-03-04

Quick Summary

Principal Engineer sought for a 100% remote B2B contract role within the Post-Purchase-Experience team at limango, focused on migrating a PHP monolithic application to a modern Golang micro-service architecture on AWS. Requires high proficiency in Golang (minimum 3 years) and strong experience in PHP (minimum 3 years), extensive knowledge of AWS cloud architecture, asynchronous processing, and SQL/NoSQL databases. Responsibilities include defining architecture, writing high-quality backend code, and deploying applications using Terraform and ArgoCD within Kubernetes or Lambda environments.

Principal Engineer, Post-Purchase-Experience (100% Remote Possible)

Join limango IT, part of the OTTO Group, as a Principal Engineer in the Post-Purchase-Experience Team (PPX). We are a leading European e-commerce platform serving millions of customers across Germany, Austria, Poland, and the Netherlands.

This role is instrumental in renewing and enhancing our customer service and post-purchase processes. You will lead the renewal of our tech stack, transitioning from PHP monolithic applications to a modern, cloud-based micro-service architecture utilizing Golang and React/Next-js frontends.

We offer a B2B contract, flexible working hours, and the possibility of 100% remote work. You will work within an international team, collaborating closely with a dedicated Product Owner and the customer service team.

Key Responsibilities

  • Serve as the leading engineer responsible for defining and implementing architecture across various projects.
  • Write, test, and maintain high-quality backend code using Golang and PHP.
  • Participate in rigorous code reviews to maintain quality and adherence to best practices.
  • Collaborate with product managers to translate requirements into precise technical specifications.
  • Implement new features and enhancements focused on improving efficiency and data flow within post-purchase processes.
  • Deploy applications within the AWS environment, utilizing Terraform and ArgoCD for smooth operations within Kubernetes clusters or Lambda environments.
  • Stay current on industry trends, best practices, and emerging backend technologies.

Required Professional Experience

  • High proficiency in Golang (minimum 3 years) and a solid understanding of clean code practices.
  • Extensive knowledge of cloud-based architecture, preferably with AWS.
  • Strong experience with PHP (minimum 3 years).
  • Experience implementing asynchronous processing and messaging systems.
  • Good knowledge of databases (both SQL and NoSQL).
  • Familiarity with Lambda, K8s, Gitlab, Terraform, and ArgoCD is a plus.

Candidate Profile

  • Strong problem-solving skills and effective troubleshooting ability.
  • Fluent level of English (spoken and written) and excellent communication skills for cross-functional collaboration.
  • Ability to drive projects forward and adapt quickly to changing requirements.

Benefits & Culture

We offer challenging tasks, real impact, and a fast-paced learning environment. Benefits include private health care, a Multisport card, and English and German language classes.

Note for Limango Polska Sp. z o.o. applicants: Remuneration regulations provide for the possibility of obtaining an additional jubilee award and use of certain benefits (sport card, medical insurance, life insurance) under specific conditions. Remuneration is paid in arrears, on the last day of the calendar month.

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limango

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    Wrocław, dolnośląskie
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