C++ Developer (Backend)

Company: Delta6Labs Fintech Private Limited
Apply for the C++ Developer (Backend)
Location: Noida
Job Description:

C++ Developer (Backend)

We’re looking for a C++ engineer to own and evolve a low-latency for crypto trading. You’ll work on real-time order routing, execution, market-data integration, DB-backed configuration, and client-scoped WebSocket/HTTP APIs.

Job Location: Noida, India

What You’ll Do

• Build and improve core trading features like order handling, execution, and market data processing.

• Work on real-time systems for handling orders and market data efficiently.

• Integrate with crypto exchanges using APIs (REST/WebSocket or FIX).

• Develop backend APIs (WebSocket/HTTP) for orders, trades, and market data.

• Manage configurations using databases and ensure systems stay in sync.

• Debug and fix issues in production systems.

• Improve system performance, reliability, and monitoring.

What We’re Looking For

• Good experience in modern C++ (C++17 or later).

• Basic understanding of multithreading and performance optimization.

• Familiarity with backend systems or real-time applications.

• Understanding of databases (preferably PostgreSQL).

• Comfortable working in a Linux environment.

Nice to Have

• Experience with trading systems or financial concepts (orders, trades, etc.).

• Knowledge of WebSockets or FIX protocol.

• Exposure to crypto exchange APIs.

• Understanding of data precision or numerical calculations.

What You’ll Work On

• Real-time data streaming for clients (orders, trades, positions).

• Improving order routing and system performance.

• Enhancing backend services and APIs.

Why Choose Delta6labs?

At Delta6labs, each member of our team is an integral part of our growth and success, we promote an environment where all employees can leverage the wealth of our collective knowledge, passion, and creativity. This is your opportunity to join a passionate team, who are leading the industry through innovation, growth, and value. Alongside amazing colleagues and engaging work, we want to help you get the best out of your career.

We offer continuous learning and development to take your skills to the next level! It’s not just about being the best you can at work, but we also offer a variety of benefits:

• Competitive salary and paid holidays

• Flexibility working hours to support work-life balance

• Health and well-being initiatives

• Team-building office trips and events

If you’re looking to grow, make an impact, and be part of a team that truly values your contributions. welcome to Delta6labs.

Note: Interested candidates may send their resume to recruitment@delta6labs.com. Only shortlisted applicants will be contacted.

Posted: March 25th, 2026