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Java Backend Engineer with 3+ years of experience building scalable microservices and API connectors for product companies and startups. Skilled in Spring Boot, Kafka, REST APIs, and CI/CD automation. Driven by a passion for technology, continuous learning, and delivering reliable solutions that improve business operations.…

Ankur Singh

Back-End Developer, Web Developer, Full Stack Developer, +4

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Java Backend Engineer with 3+ years of experience building scalable microservices and API connectors for product companies and startups. Skilled in Spring Boot, Kafka, REST APIs, and CI/CD automation. Driven by a passion for technology, continuous learning, and delivering reliable solutions that improve business operations.…

Available to hire

Java Backend Engineer with 3+ years of experience building scalable microservices and API connectors for product companies and startups. Skilled in Spring Boot, Kafka, REST APIs, and CI/CD automation. Driven by a passion for technology, continuous learning, and delivering reliable solutions that improve business operations.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Hindi

Fluent

Work Experience

Backend Developer at Target (Contractor via AndorTech)

June 1, 2025 - Present

Resolved SCA vulnerabilities to improve backend security and compliance. Designed architecture for Authorization and Audit services with scalable, secure access control. Collaborated cross-functionally to define integration patterns for identity management.

Backend Developer at BarRaiser

April 1, 2025 - September 26, 2025

Developed a retrier mechanism to handle API failures, improving reliability of external integrations. Integrated ATS with internal tools, boosting recruitment workflow efficiency by 12%. Debugged and resolved backend issues related to misconfigured subnets and VPC settings, restoring service connectivity. Diagnosed and fixed failures in AWS Step Functions executions by identifying faulty Lambda integration and timeout issues.

Backend Developer at NoBroker.com

September 1, 2024 - September 26, 2025

Built REST APIs for society management (NoBrokerHood) using Spring Boot and Hibernate. Enhanced visitor management system by optimizing core logic and DB queries. Improved API performance by 28% using caching and performance tuning techniques. Implemented monitoring and alerting for real-time issue detection and minimal downtime.

Backend Developer at Target (Contractor via AndorTech)

June 1, 2025 - Present

Backend Developer at BarRaiser

April 1, 2025 - September 26, 2025

Developed a retrier mechanism to handle API failures, improving reliability of external integrations. Integrated ATS with internal tools, boosting recruitment workflow efficiency by 12%. Diagnosed and fixed failures due to misconfigured subnets and VPC settings, restoring service connectivity. Diagnosed and fixed AWS Step Function failures by identifying faulty Lambda integration and timeout issues.

Backend Developer at NoBroker.com

September 1, 2024 - September 26, 2025