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Tawsif Aqib.
Senior Backend Engineer at Polarsteps
Backend services
Distributed systems
Technical leadership

I’m a senior backend engineer at Polarsteps, based in the Netherlands. I design and build backend services and distributed systems, and I’ve worked as both an individual contributor and an engineering manager. I value pragmatic solutions, incremental delivery, and software that’s easy to operate.

Feel free to .

TL;DR

2012 → now
From web and mobile applications to distributed backend services.
Core work
Backend services, distributed systems, and pragmatic architecture.
Product domains
Travel, payments, logistics, subscriptions, and lending.
Roles
Individual contributor, technical lead, and engineering manager.
Company mix
Startups, scale-ups, enterprises, and technology services.
Project work
Greenfield builds, product evolution, migrations, and platform reliability.

Experience

Senior Backend Engineer2026–present
Hybrid · Netherlands
Senior Application Developer2025–2026
Hybrid · Netherlands
Engineering Manager2024–2025
Hybrid · Netherlands
Lead Engineer2023–2024
Hybrid · Netherlands
Senior Software Engineer2021–2023
Hybrid · Germany
Senior Software Engineer2020–2021
Remote · Lithuania
Engineering Manager2017–2019
On-site · Bangladesh
Web Application Developer2012–2012
On-site · Bangladesh

Toolkit

Languages
  • Go
  • Python
  • PHP
  • TypeScript
  • Elixir
Application platforms
  • FastAPI
  • Laravel
  • Symfony
  • Phoenix Framework
  • Node.js
Data infrastructure
  • PostgreSQL
  • MySQL
  • Redis
  • RabbitMQ
  • Kafka
Infrastructure
  • Kubernetes
  • Docker
  • GCP
  • AWS
Observability
  • Datadog
  • Sentry
  • Grafana
  • Prometheus
Architecture
  • Domain-driven Design
  • Event-driven Architecture
  • Distributed Systems
  • Hexagonal Architecture

Writing

Speaking