Backend Engineer

Zyoin Group; Bengaluru Urban; On-site; INR 3,500,000 - 6,000,000; Full time

Job summary

Zyoin Group in Bengaluru, India, is seeking a Staff Backend Developer to help a fintech startup scale its core systems from the ground up.

You will own architecture, optimize performance, and manage high concurrency while collaborating closely with product and engineering teams. Proficiency with Redis, PostgreSQL, and ClickHouse is essential, along with a solid CS foundation, CI/CD discipline, and 8+ years of production backend experience. Bachelor's or Master's degree is required.

Qualifications

• 8+ years of backend development in production.
• Experience scaling compute and I/O-intensive apps.
• Strong CS fundamentals: data structures and algorithms.
• Experience with Redis, PostgreSQL, and ClickHouse.
• Fintech experience is a plus.
• CI/CD and SDLC knowledge.

Responsibilities

• Architect, refine, and scale complex backend systems.
• Improve performance for speed and reliability.
• Design for high concurrency and large data volumes.
• Collaborate with engineering and product teams to define requirements.
• Promote coding excellence and deployment discipline.

Skills

High concurrency

System design

Performance optimization

Production environment

CI/CD

Backend development

Education

Bachelor's or Master's degree in CS/Engineering

Tools

Redis

PostgreSQL

ClickHouse

Job description

We're looking for a Staff Backend Developer — Fintech startup setting up their operations in India.

Why Join?

Get an opportunity to be of the founding member of the team and develop product from scratch.

About Role and the work:

Inference Optimization

• Architect, refine, and elevate the capabilities of complex backend systems, with a laser focus on efficiency, durability, and scale.
• Elevate application performance, optimizing for speed, scalability, and resource allocation.
• Forge robust methodologies to manage high concurrency and vast data volumes, setting new industry benchmarks.
• Collaborate intimately with engineering and product peers to crystallize requirements into resilient, scalable architectures.
• Demonstrate proficiency with advanced storage solutions and databases like Redis, PostgreSQL, and ClickHouse, enhancing system integrity.
• Champion coding excellence, testing rigor, and deployment precision, driving best practices across the development lifecycle.

What We're Looking For:

You've built something that runs in production at a meaningful scale and you understand why it's fast.

Candidates from premium colleges/institutes preferred.

Requirements:

• Minimum of 8 years of experience in backend development in a production environment.
• Proven experience in scaling compute and I/O-intensive applications.
• Strong foundation in computer science, with a deep understanding of data structures, algorithms, and system design principles.
• Experience in handling concurrent requests at scale and optimizing large-scale systems for performance and reliability.
• Experience with database technologies such as Redis, PostgreSQL, and ClickHouse.
• Experience in the financial sector, particularly in developing fintech applications or systems, is a plus.
• Solid understanding of software development life cycle, continuous integration, and continuous delivery (CI/CD) practices.
• Excellent problem-solving abilities and strong communication skills.

Educational Requirement:

Bachelor's or Master's degree in Computer Science, Engineering, or a related field.