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Location
Remote (location not specified)
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 10, 2026. First seen by Alion on Oct 9, 2026.

Overview
Company
Impact
Profile match
Madiff is an IT consulting and staff augmentation company that provides remote agile teams, nearshore development teams and individual IT contractors to enterprise clients, with most of its hiring run from Warsaw. It works across retail, banking and insurance, telecom and media, automotive, energy, transportation and life sciences, recruits consultants in Poland and Portugal and sells its services into the UK, Ireland, France, Switzerland, Northern Europe and the US. Its openings cover .NET and full stack developers, data engineers and data scientists, AI architects, system and business analysts, QA testers, project managers and IT sales staff.

This is a remote position.

We are seeking skilled Backend Developers to join our engineering team focused on building and scaling a backend platform that interacts with blockchain protocols and high-throughput data pipelines. This role involves developing robust services in Python, managing cloud infrastructure, and supporting data storage and processing across both structured and unstructured datasets.

Responsibilities

  • Develop scalable and performant backend services using advanced Python, including asyncio and FastAPI
  • Integrate with SQL and NoSQL databases, primarily MongoDB
  • Build, test, and deploy services in Dockerized environments
  • Manage version control workflows using Git-based repositories
  • Ensure the quality and performance of backend logic in cloud-based deployments
  • Collaborate closely with frontend, DevOps, and data engineering teams

Requirements

  • Proven, hands-on experience in advanced Python development
  • Strong knowledge of asynchronous programming models (asyncio, async/await)
  • Proficiency in Docker containerization and deployment
  • Experience with MongoDB and data modeling for NoSQL solutions
  • Comfortable with Git workflows and team-based version control
  • Familiarity with Azure Cloud Services (e.g., Azure Functions, Blob Storage, Networking)
  • Proficient in English (minimum B2 level)

Nice to have:

  • Understanding of cryptocurrencies and blockchain protocols (e.g. bitcoin, ethereum, layer 2 solutions)
  • Experience building or integrating with smart contracts and decentralised systems
  • Experience with typescript or node.js (for integration and service orchestration)
  • Exposure to apache spark or databricks for data processing tasks

Benefits

  • Solid, competitive salary.
  • Work in multilingual, multinational and multicultural environment on international projects
  • Medical care
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