Senior Software Developer - Backend

Role Overview

We are looking for a highly skilled Senior Backend Developer with deep expertise in system design, scalable architecture, and complex problem-solving. The role demands strong ownership of backend systems built primarily on Ruby on Rails, with exposure to Python, Golang, and Java. You will play a key role in designing and building highly configurable,

rule-driven systems that power critical business workflows.

Key Responsibilities

• Lead end-to-end backend feature development from system design and architecture to production deployment and optimization.
• Design and build high-performance, scalable, secure, and fault-tolerant backend systems.
• Architect and implement rule-based engines and configurable workflow systems for complex business logic.
• Drive microservices architecture including service design, communication, deployment, and monitoring.
• Work extensively on low-latency, high-throughput, real-time backend systems.
• Perform in-depth system design discussions, trade-off analysis, and architecture reviews.
• Write clean, reusable, testable, and highly efficient code following best engineering practices.
• Optimize database performance across relational (PostgreSQL, MySQL) and NoSQL systems.
• Own production-grade services, ensuring reliability, observability, and continuous performance improvements.
• Mentor junior engineers and conduct code reviews focused on quality, scalability, and maintainability.
• Collaborate closely with product, frontend, mobile, QA, and DevOps teams to deliver robust systems.
• Participate in on-call rotations and production incident management.

Required Skills & Expertise

• Primary Expertise:

Strong hands-on experience in Ruby on Rails for building large-scale backend systems.

Working proficiency in Python, Golang, or Java for services or

performance-critical components.

• Core Engineering Strengths:

Excellent command over Data Structures & Algorithms.

Strong problem-solving and analytical thinking for complex backend

challenges.

Deep understanding of system design principles for scalable, distributed applications.

Proven experience with microservices architecture (design, deployment, versioning, monitoring).

• Databases & Storage:

Strong knowledge of PostgreSQL / MySQL.

Experience with NoSQL databases (MongoDB, Redis, DynamoDB, etc.).

Hands-on experience with caching strategies, indexing, sharding, and query optimization.

• Scalability & Architecture:

Strong understanding of:

High availability

Horizontal scaling

Load balancing

Asynchronous processing

Message queues & event-driven systems

Ability to design configurable, rule-driven, and policy-based backend

systems.

• Engineering Excellence:

Strong proponent of clean code, SOLID principles, testability, and

performance optimization.

Hands-on experience with CI/CD pipelines and DevOps collaboration.

Exposure to containerization and cloud-native systems is a plus.

• Soft Skills:

Excellent communication skills.

Strong ownership, accountability, and decision-making ability.

Ability to influence architecture and mentor team members.

Good to Have

• Domain exposure to Fintech, SaaS, or large-scale consumer platforms.
• Knowledge of Node.js ecosystems.
• Practical understanding of DevOps practices, cloud infrastructure, and observability tools.

Educational Qualification

• B.Tech / MCA / BSc / MSc in Computer Science, Engineering, or a related field.