Senior Software Engineer – Backend Services

Winzons; India; On-site; INR 2,800,000 - 4,500,000; Full time

Benefits offered by this job

Stock options

Medical insurance

Brand exposure to Silicon Valley scale

Job summary

Tekion India Private Limited is seeking a Senior Backend Engineer to design, build, and scale robust Java-based services powering complex business workflows in a fast-moving, AI-native environment. Strong ownership, deep Java expertise, and hexagonal architecture are essential as you collaborate across product, QA, AI/ML, and engineering teams.

You will design and implement Spring Boot microservices, work with MongoDB, PostgreSQL, Cosmos DB, Kafka, and Elasticsearch, and own components

Qualifications

• 5+ years backend engineering experience with Java and Spring Boot.
• Strong knowledge of hexagonal architecture and domain modeling.
• Experience with Kafka, MongoDB, PostgreSQL, and distributed stores.
• Familiarity with Elasticsearch and high-throughput caching.
• Cloud exposure on AWS and CI/CD practices.
• Ability to mentor juniors and participate in design discussions.

Responsibilities

• Design and build Java microservices following hexagonal architecture.
• Develop REST APIs, Kafka event flows, and domain services.
• Model MongoDB and PostgreSQL schemas for multi-tenant apps.
• Implement Cosmos DB data models and partition strategies.
• Own components end-to-end from design to deployment.
• Integrate Elasticsearch for search and analytics workloads.
• Tune Redis/Aerospike for caching and session state.
• Identify bottlenecks and optimize performance across services.
• Participate in architecture reviews and code reviews.
• Mentor junior engineers and promote AI-native engineering practices.

Skills

Java 21

Spring Boot 3.x

Hexagonal architecture

Kafka

MongoDB

PostgreSQL

Cosmos DB

Elasticsearch

Redis / Aerospike

AWS (EKS, MSK, S3)

Education

Bachelor's or Master's in CS

Tools

MongoDB

PostgreSQL

Cosmos DB

Elasticsearch

Redis / Aerospike

Kafka

AWS

Job description

Company Name: Tekion India Private Limited

Job Role: Senior Software Engineer – Backend Services

Work Type: Full-Time

Experience: 5+ Years

Qualification: Bachelor’s or Master’s Degree in Computer Science or related field

Location: Chennai

Role Overview :

We are looking for a Senior Backend Engineer to design, build, and scale robust backend services that power complex business workflows.

This role requires strong ownership, deep Java expertise, a solid grounding in hexagonal architecture, and the ability to collaborate effectively across product, QA, AI/ML, and engineering teams in a fast-moving, AI-native environment

Key Responsibilities :

• Design and build Java (Spring Boot 3.x) microservices following hexagonal architecture - clean domain logic isolated from MongoDB, PostgreSQL, Cosmos DB, and Kafka adapter implementations.
• Develop and maintain REST APIs, Kafka event consumers/producers, and domain service logic for campaign, scoring, attribution, and customer profile workflows.
• Build and manage MongoDB document schemas and PostgreSQL relational schemas for high-throughput, multi-tenant use cases.
• Implement Cosmos DB data models for event and state storage with appropriate partition key and consistency strategies.
• Take end-to-end ownership of components - from domain design and hexagonal adapter implementation through deployment and ongoing optimization.
• Integrate with Elasticsearch for campaign search, customer lookup, and full-text query workloads.
• Configure and tune Redis or Aerospike for frequency cap enforcement, scoring cache, and session state management.
• Identify and resolve performance bottlenecks across services, event pipelines, and data layers.
• Participate actively in design discussions, architecture decisions, and code reviews.
• Mentor junior engineers and act as a role model for code quality, hexagonal design, and AI-native engineering best practices

Skills & Qualifications :

• 5+ years of backend engineering experience; Bachelor's or Master's degree in Computer Science or a related field.
• Strong Java 21 and Spring Boot 3.x expertise; solid grasp of hexagonal architecture and clean domain modeling.
• Experience with Kafka : consumer/producer patterns, at-least-once delivery, idempotent processing, and event-driven service design.
• Hands-on MongoDB experience : document schema design, indexing, aggregation pipelines, multi-tenant isolation.
• PostgreSQL experience : schema design, query optimization, migration management.
• Familiarity with Cosmos DB or equivalent distributed key-value / document stores.
• Experience with Elasticsearch for search and analytics workloads.
• Experience with Redis or Aerospike for high-throughput caching patterns.
• Familiarity with cloud-based systems on AWS (EKS, MSK, S3).
• Strong debugging, performance tuning, and system optimization skills.
• Familiarity with Agile/Scrum development practices and CI/CD pipelines

Good to Have :

• Experience with Temporal workflow orchestration.
• Familiarity with AI-native integration patterns : MCP tool registration, scoring API contracts, LLM gateway usage.
• Working knowledge of Python for understanding AI/ML service outputs and integrating scoring results.
• Background in enterprise-scale SaaS platforms : eCommerce, supply chain, or similar

Perks & Benefits :

• Competitive compensation and generous stock options.
• Medical insurance coverage.
• Work with some of the brightest minds from Silicon Valley's most dominant and successful companies.