Full Stack Developer

Senior Full Stack Developer (Freelance) - Bluesquare - Remote/Hybrid

CET±2 preferred

Start ASAP

Full job profile: https://www.bluesquarehub.com/blog/vacancies/frontend-full-stack-developer-openhexa/

Bluesquare is a data and digital solutions company working across global health and development. Clients include the WHO, World Bank, Gates Foundation, and others. Our platforms operate in 30+ countries.

We are hiring a senior full-stack developer with a front-end focus to work on Pathways, a Gates-funded initiative analysing vulnerabilities affecting women and children in low- and middle-income countries. You will be a core contributor to the Segment Explorer, a NextJS/Typescript application connected to our data platform OpenHEXA, to which contributions are also expected.

Key responsibilities

• Develop and maintain modern, responsive web applications

• Work closely with design, data, and infrastructure teams

• Ensure clean integration between frontend (React/NextJS) and backend (Python/PostgreSQL/Strapi)

• Contribute to OpenHEXA’s broader roadmap

Tech stack

Typescript, NextJS, Strapi, Python, PostgreSQL, ODK, Superset, GCP, Kubernetes, Terraform

Requirements

• Strong experience with modern JS/TS and API development

• Solid understanding of software architecture and UX principles

• Familiarity with data processing and visualisation, headless CMSs, and Python/Django

• English fluency; French an asset

Offer

• Freelance contract

• Flexible, remote work

• Impactful projects with prominent global health actors

• Team of 70+ across Europe and Africa