karan soni

Backend Engineer

Bengaluru, Karnataka, India5 yrs 9 mos experience

Highly StableAI Enabled

Key Highlights

Designed scalable data platforms handling millions of transactions.
Led successful migration to microservices architecture.
Achieved significant performance optimizations in backend systems.

Stackforce AI infers this person is a Backend Engineer specializing in E-commerce and scalable distributed systems.

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Skills

Core Skills

Distributed SystemsMicroservicesEvent-driven MicroservicesAgile Methodologies

Other Skills

JavaSpring BootKafkaCouchbasePostgreSQLAzureDockerKubernetesREST APIsApache KafkaCircuit BreakerSagaJenkinsAnthropic ClaudeGenAI API Extensions

About

Senior Backend Engineer with 5.5+ years of experience designing distributed systems, event-driven microservices, and large-scale data platforms. Currently working at Tesco, where I design and build multi-tenant product data platforms handling 1M+ SKUs and processing 1M+ reads and 100K+ writes per day. My work focuses on: • Distributed systems and platform architecture • Event-driven microservices using Kafka • System design (HLD/LLD) • Data platforms and data pipelines • Cloud deployment on Azure (AKS) • CI/CD, observability, and production systems • Scalability, high availability, and performance optimisation • Leading engineers, architecture discussions, and stakeholder collaboration Tech stack: Java, Spring Boot, Kafka, PostgreSQL, Couchbase, Azure, Docker, Kubernetes.

Experience

5 yrs 9 mos

Total Experience

5 yrs 9 mos

Average Tenure

5 yrs 9 mos

Current Experience

Tesco bengaluru

2 roles

SDE-2

Promoted

Oct 2022 – Present · 3 yrs 8 mos

Senior Backend Engineer designing distributed systems and data platforms for Tesco’s product ecosystem, building event-driven microservices and scalable multi-tenant platforms.
▸ Architected a high-performance Product Microservice (Java 21, Spring Boot 3.x) managing 500K+ product records with low-latency REST APIs
▸ Designed Product Matching Service using Apache Kafka + Couchbase — enabling dynamic search, sorting, and multi-facet filtering across complex product attributes
▸ Led monolith-to-microservices migration using Circuit Breaker, Saga, and event-driven patterns — improving scalability by 50% with 99.9% availability
▸ Implemented Transaction Outbox Pattern ensuring reliable, idempotent Kafka-based downstream integrations
▸ Optimised PostgreSQL queries via indexing and execution-plan analysis, reducing API response times by ~40% under peak load
▸ Leveraged Azure (AKS, Blob Storage, Azure DevOps) for containerised deployment — cut infra provisioning time by 60%
▸ Redesigned CI/CD pipelines (GitHub Actions, Jenkins, Docker, Kubernetes) — reduced release cycle by 70%, zero-downtime deployments
▸ Achieved 80%+ unit test coverage with JUnit 5, Spock, Mockito; enforced SonarQube quality gates; integrated New Relic APM cutting MTTR by 35%

JavaSpring BootKafkaCouchbasePostgreSQLAzure+4

Graduate software developer

Sep 2020 – Oct 2022 · 2 yrs 1 mo

Joined Tesco's technology graduate programme, contributing to backend microservices development from day one.
▸ Developed and maintained backend services using Java, Spring Boot, and PostgreSQL within an Agile/Scrum team
▸ Built and optimised database queries and indexing strategies for high-volume data access patterns
▸ Contributed to CI/CD pipeline setup using Jenkins and Docker for automated testing and deployment
▸ Collaborated on migrating legacy components toward a microservices architecture
▸ Achieved strong unit test coverage using JUnit and Mockito following TDD practices
▸ Gained hands-on experience with Apache Kafka for event-driven service communication

JavaSpring BootPostgreSQLJenkinsDockerApache Kafka+2