Fullstack Developer - Crypto Data & ML Platform

Search X Recruitment; Den Haag; On-site; EUR 58,000 - 78,000; Full time

Benefits offered by this job

Laptop or laptop allowance

25 vacation days

Travel allowance or public transport

Job summary

Search X Recruitment is seeking a Fullstack Developer for a crypto fintech start-up in the Netherlands. You will build data pipelines and ML-powered features, develop backend services in C#/.NET and Python, and bring model outputs to life in the frontend using TypeScript and React.

The role emphasizes CI/CD, testing, monitoring, and scalable production deployments. You will typically work a 40-hour week, with optional 32/36-hour arrangements, and a path to a permanent contract.

Qualifications

• Three+ years of software development experience.
• Strong backend in C#/.NET and/or Python; hands-on TypeScript and React.
• Experience training/evaluating ML models and deploying data pipelines.
• Familiar with REST APIs, relational databases, Git and automated testing.

Responsibilities

• Develop data pipelines to collect, process and validate market and blockchain data.
• Build backend services and REST APIs; integrate frontend with data outputs.
• Bring model outputs to life in frontend applications using React/TypeScript.
• Maintain CI/CD, automated tests, monitoring and deployments; ensure quality and performance.

Skills

C#/.NET

Python

TypeScript

React

REST APIs

Machine Learning

Education

University degree

Tools

PostgreSQL

Azure

Git

CI/CD

Docker

Job description

Search X Recruitment is seeking a Fullstack Developer for a crypto fintech start-up in the Netherlands. You will build data pipelines and ML-powered features, develop backend services in C#/.NET and Python, and bring model outputs to life in the frontend using TypeScript and React.

The role emphasizes CI/CD, testing, monitoring, and scalable production deployments. You will typically work a 40-hour week, with optional 32/36-hour arrangements, and a path to a permanent contract.