AYANK KUMAR

Backend Engineer

Gurugram, Haryana, India1 yr 10 mos experience

AI Enabled

Key Highlights

Improved workflow efficiency by 40% in enterprise applications.
Reduced operational errors by 85% through automation.
Delivered high-performance search services with 62% faster query responses.

Stackforce AI infers this person is a Backend Engineer specializing in Fintech and enterprise solutions.

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Skills

Core Skills

JavaSpring Boot

Other Skills

SQLREST APIsMicroservicesAngularAWSDockerRedisElasticsearchLogstashApache KafkaHibernateJWTJUnitLog4j2SOAP APIs

About

I have hands on experience in transforming business requirements into scalable solutions, from API design, database optimization, and robust service logic to client collaboration, CI/CD deployments, and post-launch enhancements. Experience building large-scale enterprise systems used by thousands of users, improving workflow efficiency by 40%, scaling to hundreds of concurrent sessions, and reducing operational errors by 85%. Hands-on expertise in distributed systems, event-driven architecture, WSO2 middleware, rate limiting (Bucket4j), database optimization, database views, and RBAC-based authorization. Delivered high-performance search services using Elasticsearch + Redis caching with 62% faster query responses. Built secure, production-ready backend services with JWT authentication, audit trails, validations, and unit testing (JUnit). Developed cloud projects with Nginx reverse proxy, SSL, CI/CD, OAuth 2.0, Razorpay integrations, and GPS-based algorithms and real-time systems using Core Java, multithreading, sockets, and networking. Skilled in Java, Spring Boot, SQL, REST APIs, SOAP APIs, Microservices, Angular, TypeScript, JavaScript, AWS (EC2, RDS, VPC, Amplify, Elastic Beanstalk), Docker, Redis, Elasticsearch, Logstash, Apache Kafka, Hibernate, JWT, JUnit, Log4j2, PostgreSQL, MySQL, MongoDB, Oracle and Agile development. Strong foundation in Data Structures & Algorithms, competitive programming (Knight on LeetCode, Specialist on Codeforces). Actively seeking opportunities as a Backend Engineering, Software Development, Distributed Systems, Microservices, Cloud Engineering and Full Stack Development (Angular + Spring Boot) in fintech and enterprise domains.

Experience

1 yr 10 mos

Total Experience

1 yr 7 mos

Average Tenure

3 mos

Current Experience

Sun king

Backend Software Engineer

Mar 2026 – Present · 3 mos · Gurugram, Haryana, India · Remote

JavaSpring BootSQLREST APIsMicroservicesAngular+10

Iffco tokio general insurance co. ltd.

Java Full Stack Engineer

Jul 2024 – Feb 2026 · 1 yr 7 mos · Gurugram, Haryana, India · On-site

Engineered scalable enterprise applications using Angular, Spring Boot, SQL, and REST/SOAP APIs, including a Commercial Policies Processing Dashboard adopted by thousands of users nationwide. Improved workflow efficiency by 40% and ensured stable scaling to hundreds of concurrent sessions through optimized database locking and performance tuning.
Integrated enterprise systems such as Documentum Server and Core IBM Policy System via WSO2 middleware, implementing rate limiting (Bucket4j), and custom database views that increased data retrieval performance by 30%.
Automated complex workflows across Accounts, Operations, and Claims by applying JWT authentication, RBAC, extensive validations, and JUnit-backed unit tests. Reduced manual data errors by 85% and improved auditability using Log4j2-based detailed logging and audit trails.
Spearheaded development of a 5-stage Bulk Excel Uploader supporting bi-directional data flow across departments. Streamlined cross-team collaboration, reduced operational delays, and increased workflow consistency with modular validation and processing layers.
Designed and deployed a high-performance Competing Policies Search microservice using Elasticsearch, Logstash, and Redis caching. Enabled fast keyword-based search across all policy records and reduced high-demand query times by 62%.
Modernized legacy Oracle Forms/PL-SQL processes into an Angular + Spring Boot architecture. Translated complex business rules into optimized SQL queries, secure API endpoints, and maintainable backend logic.
Delivered secure, maintainable, and production-ready solutions through business logic injection, role-based access control, detailed logging, and structured API design.
Collaborated with cross-functional teams, participated in code reviews, and adhered to Agile practices while maintaining high-quality codebases using Git/SVN, JUnit.