Software Development Engineer 3

Software Development Engineer III (SDE-3)

Role Overview
We are looking for a highly skilled Software Development Engineer III (SDE-3) with strong expertise in Java backend development, distributed systems, and microservices architecture. The candidate will be responsible for designing, developing, and scaling high-performance backend services that power last-mile delivery and fulfilment operations.
The ideal candidate should have strong problem-solving skills, sound architectural judgment, and the ability to drive technical initiatives independently. Experience in last-mile delivery, logistics, e-commerce, order management, or fulfilment systems is preferred.

Key Responsibilities

• Backend Engineering: Design, develop, and maintain scalable, reliable, and high-performance backend services using Java and Spring Boot.
• System Design: Drive the design of distributed systems, microservices, REST APIs, and event-driven architectures.
• Last-Mile Solutions: Build and enhance services supporting delivery allocation, driver availability, order tracking, delivery promise, route optimisation, and delivery status management.
• Scalability and Performance: Identify and resolve performance bottlenecks, optimise database queries, and ensure services can handle high transaction volumes.
• Messaging and Integration: Design asynchronous workflows using Kafka or similar messaging platforms, ensuring reliable event processing and data consistency.
• Database Engineering: Design efficient data models and queries using relational and NoSQL databases, with a strong understanding of indexing, partitioning, and caching.
• Technical Ownership: Take ownership of features end to end, from requirement analysis and solution design to implementation, deployment, and production support.
• Engineering Excellence: Establish coding standards, write unit and integration tests, conduct code reviews, and improve overall software quality.
• Reliability and Observability: Implement logging, metrics, tracing, alerting, and fault-tolerance mechanisms to maintain service reliability.
• Technical Leadership: Mentor junior engineers, collaborate with product managers and cross-functional teams, and contribute to architectural and technical decisions.

Required Skills and Qualifications

• 8+ years of professional software development experience, with strong hands-on expertise in Java.
• Strong knowledge of Java 11 or later, object-oriented programming, collections, concurrency, multithreading, and JVM fundamentals.
• Hands-on experience with Spring Boot, Spring Framework, RESTful APIs, and microservices.
• Good understanding of distributed systems, service-to-service communication, resiliency patterns, and eventual consistency.
• Experience with Kafka or equivalent event-streaming/message-broker technologies.
• Strong knowledge of SQL databases such as PostgreSQL or MySQL, including query optimisation and data modelling.
• Experience with NoSQL databases such as MongoDB or similar technologies.
• Familiarity with Redis or other caching solutions.
• Experience with Docker, Kubernetes, CI/CD pipelines, and cloud platforms such as AWS, Azure, or GCP.
• Strong debugging, analytical, problem-solving, and communication skills.
• Ability to independently drive technical solutions and make sound engineering decisions.

Preferred Qualifications - Last Mile and Logistics Domain

• Experience building software for last-mile delivery, logistics, e-commerce, or supply-chain platforms.
• Understanding of delivery lifecycle management, including order assignment, dispatch, pickup, delivery, cancellations, and returns.
• Familiarity with driver/rider availability, capacity planning, delivery slot allocation, and order-to-driver assignment.
• Exposure to route optimisation, distance and ETA calculations, geospatial systems, and mapping services.
• Understanding of delivery promise and on-time delivery (OTD) / on-time handover (OTH) metrics.
• Experience with real-time event processing, location updates, and high-volume status tracking.
• Exposure to order management systems (OMS), warehouse management, fulfilment, or store-based picking operations.