At Relief Applications, we harness technology to support humanitarian and development work. We design digital tools that help NGOs, UN agencies, and development actors respond faster and more efficiently to crises. From data platforms to AI-driven decision-making tools, our projects directly impact emergency response and long-term development

Our no-code application builder is a modular, no-code application builder developed by Relief Applications to help humanitarian and mission-driven organizations create tailored digital tools—without needing to code. Already in active use across various projects, it continues to evolve to meet growing user needs and ensure long-term sustainability.

We’re looking for a Tech Lead to guide its technical direction, ensure clean architecture, and strengthen the platform’s reliability and scalability for the future.

As Tech Lead, you will oversee the platform’s architecture while actively contributing to the codebase. You’ll work closely with a small, mission-driven team of developers and product managers to improve performance, maintainability, and functionality.

This role is ideal for someone who combines strategic thinking with hands-on coding, and who wants to contribute to building a tool with real-world social impact.

Objective

Provide hands on technical leadership for Relief Applications’ modular no code application builder Relief Apps, owning the platform’s architecture and long term technical direction while actively contributing to the codebase. Strengthen reliability, scalability, security, and maintainability across the full stack MongoDB, Node.js and Express, GraphQL and REST APIs, Angular in an Nx monorepo, Azure services and automation, and Linux and Nginx operations. Work closely with a small product and engineering team to align platform evolution with product priorities, raise engineering quality through clean code, peer reviews, documentation, and ensure sustainable delivery of a tool that supports real world humanitarian and mission driven programmes.

• Bachelor’s or Master’s degree in Computer Science / Engineering
• Minimum 5 years of relevant professional experience
• Strong portfolio of past projects or demonstrable achievements

TECHNICAL STACK

• MongoDB (v8+)
  • Cluster administration, replication, performance tuning
  • MongoDB Atlas configurations, aggregations and triggers
• Node.js & Express
  • Familiarity with the frameworks and best practices
  • Creation and improvement of REST APIs
  • Creation and improvement of GraphQL APIs
  • Middleware implementation and error handling
• Frontend Framework: Angular (v15+)
  • Module, service, and component architecture in an Angular/Nx monorepo
  • Working with other UI libraries (Kendo UI, Angular Material)
• Azure
  • Proficiency with the Azure portal and services: Functions, App Service, Front Door
  • Deployment automation (ARM templates, CLI, Azure DevOps, GitHub Actions)
• Linux Server Management
  • Ubuntu Server: installation, updates, security hardening
  • Nginx configuration and performance optimization

+ Not afraid to look into infrastructure + Practical, with a focus on long-term stability and performance

• Lead the design and evolution of Oort’s system architecture
• Contribute to backend and frontend development
• Ensure performance, security, and scalability across the stack
• Support a culture of clean code, peer reviews, and technical documentation
• Oversee deployments and infrastructure reliability
• Align platform development with product priorities and timelines

We welcome applications from candidates worldwide, within ±5 hours of Central European Time (CET/CEST).

OUR PERKS