Backend Developer

CofounderHubs

Posted by

Emma

Freelance

Recurrent

Base compensation

USD7.5k - 8.7k/month

+ Equity (up to 13% of the company)

Negotiable

Remote (anywhere)

Posted about 9 hours ago

Backend Developer Responsibilities: Authentication: - Implement JWT login and logout. - Apply bcrypt password hashing. - Manage sessions. - Develop authentication middleware for protected routes. API Security: - Set up rate limiting per IP and per user. - Conduct input validation. - Configure CORS. - Implement security headers. Database Management: - Set up PostgreSQL with connection pooling. - Execute database migrations. - Transition from local JSON files to a relational database layer. - Perform CRUD operations. API Design: - Design RESTful endpoints. - Utilize proper status codes. - Implement error handling that does not leak internal information. Communication: - Explain backend work to a non-technical project owner in plain language. - Maintain and scale an existing codebase developed by a previous engineer.

Proficient

API Security

Authentication

Back-end development

JSON Web Token (JWT)

Middleware

Node.js

PostgreSQL

REST API

TypeScript

Jobs posted: 1

User since: Oct 2026

About CofounderHubs:

CofounderHubs is a living hub where startups find co-founders, talent, capital curiosity, and open roles — without juggling five different networks. It is made for the people building startups, providing a shared ground where their journeys meet.

mission:

To empower startup builders by connecting them with the right co-founders, talent, capital, and opportunities, simplifying the process of finding and collaborating with key partners.

Reputation:

(17)

Jobs posted: 6

Signalers: 362

Domain created: Mar 2026

Feedback summarized by AI: Applicants who reached late stages reported serious security concerns, citing suspicious requests for local execution of files, malicious code, and recruitment scams involving sudden job deletions and a refusal to conduct direct, professional calls.Applicants who didn’t reach the late stages reported a smooth and excellent recruitment process, noting that their interactions with the team were consistently positive and professional throughout their engagement.

www.cofounderhubs.com/

learn more about CofounderHubs

Backend Developer

Emma

Responsibilities

Skills wanted:

Language(s) required:

Ronald Roper

About CofounderHubs:

mission:

www.cofounderhubs.com/

Admin access needed