Backend developer

Experience Level: Mid-Senior Level

About the Role

We’re looking for a talented and detail-oriented back-end engineer to help design, code, and maintain the server-side logic of our modern web applications. You’ll be working on greenfield development along with integrating and creating APIs. Ideal candidates are detail-oriented, experienced in building scalable services, and comfortable working in a fast-paced, startup, and collaborative environment.

Key Responsibilities

• Design, build, and maintain scalable and secure RESTful APIs using Node.js and a library like Express
• Integrate third-party APIs and data services to support product features
• Create, integrate, and manage authentication and authorization
• Work with a database such as Mongo
• Optimize application performance, error handling, and monitoring
• Ensure high code quality through testing, documentation, and code reviews
• Contribute to infrastructure, DevOps, and deployment processes as needed
• Collaborate with front-end engineers and others as needed to ensure a smooth user experience
• Thoroughly test and debug code as needed

Requirements

• At least 3−5 years of experience in back-end or full-stack development
• Strong knowledge of Node.js, Express (or equivalent) and JavaScript or TypeScript
• Expertise working with MongoDB (or similar NoSQL databases)
• Solid understanding of RESTful architecture, API versioning, and security
• Experience with tools like Postman, Swagger/OpenAPI, and Git
• Ability to write clean, maintainable, modular code and follow best practices
• Strong debugging and problem-solving skills
• Experience with greenfield development

Nice to Have

• Experience with Docker, CI/CD pipelines, or microservices
• Familiarity with testing frameworks (e.g., Jest)
• Experience with OAuth/JWT authentication and authorization patterns
• Experience with AI/LLM APIs and prompt engineering (e.g., OpenAI, Grok, HuggingFace Transformers)
• Knowledge of vector databases (e.g., Weaviate)

What We Offer

• A collaborative, product-focused team culture
• Opportunities to shape the back-end architecture and best practices
• Competitive salary and benefits
• Flexible working hours and remote-friendly culture
• A company culture that encourages and rewards hard work and gets things done