Software Development Engineer III - Backend Development

Description : JD SDE 3 Backend.

Experience : 5+ years.

Work Mode : Work from Office.

Location : Bangalore.

Notice Period : [Specify if any preference].

Job Summary :

D Square Consulting Services is partnering with UONEX AI, Indias first AI-powered retail commerce platform, to hire a Senior Backend Software Engineer.

This role demands technical leadership, system architecture ownership, and mentoring of junior engineers to build scalable, fault-tolerant backend systems serving millions of users.

Required Skills & Experience :

- 5+ years of professional backend development experience.

- Deep expertise in Java 17+ including advanced features (Streams, Optionals, Records).

- Extensive experience with Spring Boot 3.x and Spring ecosystem (Data JPA, Security, Cache).

- Strong knowledge of PostgreSQL including query optimization, indexing, and partitioning.

- Proven experience with Redis for caching, session management, and pub/sub.

- Expert in RESTful API design and high-traffic backend service development.

- Skilled in Flyway or similar database migration tools.

- Strong understanding of microservices architecture, distributed systems, and design patterns.

- Excellent knowledge of security best practices, JWT, OAuth 2.0, and ABAC.

- Experience with cloud platforms (AWS/GCP), Docker, and CI/CD pipelines.

- Strong skills in performance tuning, load testing, and scalability.

Good to Have :

- Prior experience in e-commerce, retail tech, or marketplace platforms.

- Knowledge of AI/ML API integration (Claude/Chat GPT).

- Familiarity with GraphQL, Apache Kafka, RabbitMQ, and Elasticsearch.

- Experience in startup or scale-up environments.

- Contributions to open source or technical writing.

- Bachelors or Masters degree in Computer Science or related field.

Key Responsibilities :

- Drive technical decisions, enforce best practices, and reduce technical debt.

- Build and optimize RESTful APIs and microservices.

- Design and implement secure authorization/authentication systems.

- Oversee database schema design and query performance optimizations.

- Integrate Redis caching and advanced error handling.

- Collaborate with AI/ML teams to build AI-powered features and data pipelines.

- Mentor junior engineers and foster technical excellence.

- Participate in recruitment and team growth.

- Work closely with product, frontend, and DevOps teams for seamless delivery.

- Document technical designs, API specs, and system architecture.

Technology Stack :

- Backend : Java 17, Spring Boot 3.

- Database : PostgreSQL 15+, Redis 7, Flyway.

- AI Integration : Claude API (Anthropic).

- DevOps : Docker, AWS/GCP, CI/CD (Jenkins, GitHub Actions).

- Tools : Git, Maven/Gradle, IntelliJ IDEA/VS Code.

What We Offer :

- Lead impactful projects shaping the future of AI-powered retail commerce.

- Work with cutting-edge technology and industry experts.

- Opportunities for technical leadership and career advancement.

- Exposure to innovative AI integrations and modern backend systems.

- Flat, data-driven, and innovation-friendly work culture.

- Competitive salary, EPF coverage, and stock options (subject to vesting).