Senior Software Developer (Backend)

November 6, 2026

Remote

Senior

Warszawa, Poland

Indeed

Description

A senior backend developer is needed for a communications platform team covering SMS, E-mail, Push Notifications and WhatsApp channels within the platform and its CRM solution. The role focuses on designing and developing backend services in Go, building and maintaining APIs and service logic, and delivering features with CircleCI, AWS and MongoDB in an Agile/Lean environment underpinned by DevOps and CI/CD. The team pairs on complex challenges, runs code reviews collectively and shares responsibility for quality alongside a dedicated tester.

Responsibilities

Design and develop backend services using Go as part of delivery
Build and maintain APIs and service logic that power communications channels within the platform and its CRM solution
Work with Circle CI, AWS and MongoDB as needed for feature delivery
Collaborate with developers, product managers and testers to ship reliable increments
Participate in code reviews, testing and continuous improvement of delivery practices
Work with an energized, friendly and customer-focused cross-functional team
Use cutting edge Agile and Lean ways of working underpinned by DevOps and CI/CD

Requirements

Bachelor's degree in Computer Science or relevant field (preferred)
4+ years of experience with a general-purpose programming language, 2+ in Golang
Experience designing and maintaining APIs and service-oriented backends, including webhooks and event-driven systems
Knowledge of MongoDB
Solid understanding of the practical application of agile development methods in an Agile/Lean/Continuous Delivery environment
Knowledge of modern Quality and Testing principles
Comfortable learning new technologies and systems
Basic knowledge of code versioning tools
Strong written and verbal communication
Prior CRM or club-management experience
Working knowledge of SQL and relational databases
Exposure to AWS or similar cloud platforms
Knowledge of tooling around continuous deployment