Job Title: Back End Developer - Technical Lead

Location: Chennai (Onsite) Experience: 10+ Years Employment Type: Full-Time Notice Period: Immediate Joiners or Up to 15 Days

Job Summary

We are seeking an experienced Back End Developer - Technical Lead with 10+ years of experience to lead the design, development, and evolution of scalable, secure, and high-performance backend platforms. This is a hands-on technical leadership role for an engineer who has extensive experience making architectural decisions, designing distributed systems, and mentoring engineering teams.

Key Responsibilities

System Design & Architecture

- Design end-to-end backend architectures with a focus on scalability, resilience, maintainability, and security. :

- Define service boundaries, data ownership, communication patterns, and integration strategies. :

- Select and implement appropriate architectural patterns, including :

- Modular Monoliths :

- Microservices :

- Event-Driven Architecture :

- Layered Architecture :

- Hexagonal (Ports & Adapters) Architecture

- Evaluate architectural trade-offs between performance, scalability, cost, and operational complexity. :

- Create Architecture Decision Records (ADRs), High-Level Designs (HLDs), Low-Level Designs (LLDs), Data Flow Diagrams, and technical documentation. :

- Drive architecture reviews and establish backend engineering standards across teams.

Backend Engineering

- Build secure, scalable RESTful APIs, asynchronous services, and microservices. :

- Design solutions for background processing, scheduling, caching, and IO-intensive workloads. :

- Enforce clean architecture, SOLID principles, design patterns, and test-driven development. :

- Conduct code reviews focusing on quality, maintainability,



scalability, and performance.

Data Engineering & Storage

- Design and optimize relational databases including PostgreSQL and MySQL. :

- Develop efficient schemas, indexing strategies, query optimization, transactions, and isolation mechanisms. :

- Design scalable NoSQL data models using MongoDB, Redis, DynamoDB, or similar databases. :

- Select appropriate storage technologies based on consistency, scalability, and access patterns. :

- Plan database migrations, schema versioning, and backward compatibility strategies.

Distributed Systems

- Design highly available and fault-tolerant distributed systems. :

- Implement strategies for :

- Retry mechanisms :

- Timeouts :

- Circuit breakers :

- Idempotency :

- Horizontal scaling :

- Load balancing

- Build event-driven architectures using messaging technologies such as Kafka, RabbitMQ, Amazon SQS, or equivalent. :

- Understand consistency models, replication, partitioning, and distributed transaction patterns.

Cloud & DevOps

- Implement CI/CD pipelines for automated build, testing, and deployment. :

- Understand Kubernetes concepts including Pods, Services, Ingress, Autoscaling, and managed Kubernetes platforms. :

- Collaborate with DevOps and SRE teams on monitoring, logging, observability, and production reliability.

Technical Leadership





- Serve as the technical owner for backend platforms and services. :

- Lead architecture discussions and technical decision-making. :

- Mentor senior and mid-level engineers through technical guidance and code reviews. :

- Define engineering best practices, coding standards, and development processes. :

- Collaborate with Product Managers, Architects, QA, and Business stakeholders to translate business requirements into scalable technical solutions. :

- Drive continuous improvement initiatives across backend engineering teams.

Required Skills & Qualifications

- 10+ years of professional experience in backend software engineering. :

- Minimum 3+ years of hands-on production experience with FastAPI. :

- Expert-level proficiency in Python. :

- Solid expertise in designing RESTful APIs, asynchronous programming, and backend frameworks. :

- Extensive experience with relational databases such as PostgreSQL and MySQL. :

- Hands-on experience with at least one NoSQL database such as MongoDB, Redis, or DynamoDB. :

- Deep understanding of :

- Backend architecture patterns :

- Object-Oriented Design :

- SOLID Principles :

- Design Patterns (GoF) :

- Domain-Driven Design (DDD) :

- Clean Architecture

- Strong knowledge of distributed systems, scalability, resilience, and fault tolerance. :

- Experience designing and maintaining enterprise-scale backend platforms. :

- Practical experience with cloud infrastructure, containerization, and deployment automation. :

- Strong understanding of API security, OAuth2, JWT, authentication, and authorization mechanisms. :

- **Experience with Git, Agile/Scrum methodologies, and modern software devel

📌 Back End Developer - Technical Lead (Chennai)
🏢 Juara IT Solutions
📍 Chennai