Middle Node.js Backend Developer (FinTech / Contract) Offline

Location: Remote

Job Type: Project Contract 4 months

Start Date: ASAP (As Soon As Possible)

Please note: This is a contract position with an immediate start date. We are looking for a candidate who can quickly integrate into our team and begin contributing from day one.

About Us

TechChain Solutions is a dynamic technology firm focused on building high-performance financial platforms. We create sophisticated tools that empower users to navigate complex market environments with speed and reliability. Our team is driven by innovation, and we are currently developing a new trading platform from the ground up.

The Role

We are urgently seeking a skilled Mid-Level Node.js Backend Developer. You will join our core backend team, working alongside a Backend Lead and another Mid-Level Developer, and collaborating closely with our frontend team to ensure seamless integration.

This role is an opportunity to step into a project that is already in active development and features a well-structured, high-quality codebase. Your primary focus will be on implementing complex business logic, managing our database layer with Prisma, and working within our event-driven architecture powered by BullMQ. We will expect you to contribute code that matches our existing high standards for quality and maintainability.

Key Responsibilities (Core Requirements):

- Design, develop, and maintain high-quality backend services using Node.js and the Nest.js framework.

-  Implement and manage database schemas, queries, and migrations with Prisma ORM against a relational database (e.g., PostgreSQL).

- Build and integrate with various third-party REST and WebSocket APIs to support platform functionality.

- Develop the core logic for user management, business rules, and other essential platform features.

- Write clean, maintainable, and well-tested TypeScript code.

- Collaborate with the team to define and ship features in a fast-paced, agile environment.

- Ensure the application is optimized for performance, scalability, and low latency.

Required Qualifications & Skills (Must-Haves):

- 2+ years of professional experience in backend software development.

- Strong proficiency in Node.js and the modern TypeScript ecosystem.

- Proven, hands-on experience building applications with the Nest.js framework.

- Solid experience with relational databases and deep expertise using Prisma as an ORM.

- Expirience with message broker technologies (we use BullMQ)

- Demonstrable experience designing and consuming complex third-party APIs (REST, WebSocket).

- Proficiency with Git and modern development workflows.

- A proactive and independent mindset, with strong problem-solving skills suitable for a remote, fast-paced contract role.

Preferred Qualifications (Will be a Big Plus):

- A deep understanding of the Web3 ecosystem and core blockchain principles.

- Direct experience with Centralized Exchange (CEX) APIs for fetching order books, managing trades, and handling real-time market data.

- Experience with Decentralized Exchanges (DEXs), including a solid understanding of how Automated Market Makers (AMMs) work.

- Hands-on experience with Web3 libraries like Ethers.js for interacting with the blockchain.

- Familiarity with containerization technologies (Docker)

- Previous experience in a FinTech or trading environment.

What We Offer:

- Competitive compensation.

- A fully remote and flexible work environment.

- The opportunity to work on a high-impact, greenfield project with a modern tech stack.

- A focused and collaborative team culture.