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Salary
≈ $66k – $119k per year (Estimated)
Location
In office (Amsterdam)
Seniority
Senior · 5+ years exp

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

Overview
Company
Impact
Profile match
ITproposal is a Dutch IT services company headquartered in Amsterdam that provides service desk support, managed IT services, cybersecurity, cloud and network management, hardware and IT staffing to small businesses and enterprises. Founded in 2019 by Enes Bagci and Tunahan Gider, it serves more than 150 clients from offices in Amsterdam, Antwerp and Karaman, and places engineers on fixed-term assignments at client sites across Europe and beyond. Its job board lists contract roles such as Nutanix and networking support engineers in many countries, SAP Basis consultants, IAM engineers for SailPoint and other IT specialists in the Netherlands and Belgium.

Senior Python Developer

Requirement ID: 10799859

Location: Amsterdam, Netherlands

Work Arrangement: Fully Onsite

Start Date: ASAP

Duration: 6 months

Experience: 5+ years

Working Language: English

About the Role

We are looking for an experienced Senior Python Developer with strong expertise in Python application development and REST API development.

The successful candidate will work across data ingestion, APIs, and streaming services, contributing to the full software development lifecycle while collaborating with cross-functional teams to deliver scalable and reliable solutions.

Key Responsibilities

  • Develop and maintain REST APIs for relational and non-relational databases.
  • Design and develop scalable Python applications, packages, and modules.
  • Work with data formats including Parquet and Delta.
  • Participate in the complete software development lifecycle, from design through deployment and maintenance.
  • Develop and execute automated unit tests using pytest.
  • Implement and maintain CI/CD pipelines.
  • Work with SQL and NoSQL databases, including Cosmos DB.
  • Develop scalable web applications using frameworks such as Django and FastAPI.
  • Perform API testing, troubleshooting, optimization, and continuous improvement.
  • Collaborate with cross-functional teams to understand requirements and deliver high-quality solutions.
  • Apply Agile development practices throughout the software lifecycle.

Must-Have Skills

  • Minimum 5 years of professional Python development experience.
  • Strong experience developing RESTful APIs.
  • Experience working with both relational and non-relational databases.
  • Strong understanding of API testing, deployment, and maintenance.
  • Proficiency with Django and/or FastAPI.
  • Experience with SQL and NoSQL databases.
  • Experience with CI/CD pipelines and automation.
  • Experience writing automated tests using pytest.
  • Experience working with cloud platforms, particularly Azure or AWS.
  • Strong problem-solving and analytical skills.
  • Ability to work effectively in a collaborative Agile environment.

Desirable Skills

  • Azure Data Factory.
  • Databricks.
  • Cosmos DB.
  • Experience with data ingestion and streaming services.
  • Experience working with Parquet and Delta data formats.
  • Additional Azure cloud services.
  • Experience building high-performance and scalable cloud applications.

Ideal Candidate

The ideal candidate is a hands-on Python developer who is comfortable working across API development, data processing, cloud technologies, testing, and CI/CD.

They should be able to take ownership of development tasks while collaborating effectively with other developers, data teams, and business stakeholders.

Contract Details

  • Location: Amsterdam, Netherlands
  • Work Arrangement: Fully onsite
  • Start: ASAP
  • Duration: 6 months
  • Experience: 5+ years
  • Language: English
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