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I am Shivam Singh, a results-driven Full-Stack Developer with 4+ years of experience in designing and building enterprise-grade applications. I specialize in backend services with Java Spring Boot and Node.js, and frontend work with React.js. I design and integrate RESTful APIs and microservices using Hibernate and PostgreSQL, and I am proficient in deploying applications on AWS. I enjoy solving complex performance and data integrity challenges across finance, telecom, and healthcare sectors. I am open to relocation and eager to collaborate with cross-functional teams to deliver stable, scalable features on schedule.…I am Shivam Singh, a results-driven Full-Stack Developer with 4+ years of experience in designing and building enterprise-grade applications. I specialize in backend services with Java Spring Boot and Node.js, and frontend work with React.js. I design and integrate RESTful APIs and microservices using Hibernate and PostgreSQL, and I am proficient in deploying applications on AWS. I enjoy solving complex performance and data integrity challenges across finance, telecom, and healthcare sectors. I am open to relocation and eager to collaborate with cross-functional teams to deliver stable, scalable features on schedule.

Shivam Singh

Full Stack Developer, Web Developer, Front-End Developer, +5

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I am Shivam Singh, a results-driven Full-Stack Developer with 4+ years of experience in designing and building enterprise-grade applications. I specialize in backend services with Java Spring Boot and Node.js, and frontend work with React.js. I design and integrate RESTful APIs and microservices using Hibernate and PostgreSQL, and I am proficient in deploying applications on AWS. I enjoy solving complex performance and data integrity challenges across finance, telecom, and healthcare sectors. I am open to relocation and eager to collaborate with cross-functional teams to deliver stable, scalable features on schedule.…I am Shivam Singh, a results-driven Full-Stack Developer with 4+ years of experience in designing and building enterprise-grade applications. I specialize in backend services with Java Spring Boot and Node.js, and frontend work with React.js. I design and integrate RESTful APIs and microservices using Hibernate and PostgreSQL, and I am proficient in deploying applications on AWS. I enjoy solving complex performance and data integrity challenges across finance, telecom, and healthcare sectors. I am open to relocation and eager to collaborate with cross-functional teams to deliver stable, scalable features on schedule.

Available to hire

I am Shivam Singh, a results-driven Full-Stack Developer with 4+ years of experience in designing and building enterprise-grade applications. I specialize in backend services with Java Spring Boot and Node.js, and frontend work with React.js. I design and integrate RESTful APIs and microservices using Hibernate and PostgreSQL, and I am proficient in deploying applications on AWS.

I enjoy solving complex performance and data integrity challenges across finance, telecom, and healthcare sectors. I am open to relocation and eager to collaborate with cross-functional teams to deliver stable, scalable features on schedule.

Skills

Experience Level

Expert

Expert

Expert

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Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

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Language

Javanese

Advanced

English

Fluent

Work Experience

Full Stack Developer at Kofax

October 1, 2024 - Present

Led development of the Spring Boot microservices and REST APIs for invoice processing and document classification, reducing manual-touch rate by 40% on ~500K invoices per month by adding PO 2/3-way matching and duplicate detection. Refactored Hibernate-based payments/AP microservices with early validation, idempotent retries, and unified error handling, achieving a median-time-to-resolution improvement of ~35% and STP ≥98.5%. Built reusable React components in TypeScript for the document review portal, collaborated with UX to roll out WCAG-compliant features, and integrated OAuth2/JWT authentication for secure client access. Collaborated with QA to integrate Cypress and Postman in CI/CD workflows, reducing pre-release regression cycles by 45% and increasing deployment frequency from bi-weekly to weekly.

Full Stack Developer at Ericsson Global Services

May 1, 2023 - September 22, 2025

Designed and implemented scalable backend services with Spring Boot for real-time monitoring and auto-healing of mobile broadband faults, delivering analytics to 110K+ active users across global 5G nodes. Optimized AWS infrastructure (EC2, Lambda, S3) for high-availability analytics and regional multi-region deployment during peak traffic. Improved database performance for 30,000+ records per hour by applying partitioning, indexing, and query optimization on PostgreSQL and MySQL, reducing p95 latency from 820 ms to 310 ms. Implemented GraphQL queries and Memcached caching to provide real-time access to network sessions and device metrics (20,000+ records/hour). Established CI/CD pipelines with GitHub Actions and Terraform, with Prometheus and Grafana monitoring for observability and automated alerting.

Full Stack Developer at Accenture

December 1, 2021 - September 22, 2025

Developed Node.js microservices for the Rantikey Health Claims Platform, enabling scalable integration with third-party insurers and improving API response times. Built a secure, responsive React portal for patients and providers to track claim history, manage billing, and access EOBs, increasing session engagement and mobile accessibility. Refactored SQL queries and stored procedures to optimize large datasets, reducing query times from minutes to seconds during enrollment season. Automated infrastructure deployment with Terraform and AWS CloudFormation, securely storing medical documents in HIPAA-compliant S3 with server-side encryption. Designed and maintained GitLab CI/CD pipelines with unit tests, static analysis, and automated integration tests, reducing production bugs and improving deployment consistency. Integrated Apache Kafka for real-time claims streaming (~20,000 messages/hour) and Redis caching to accelerate queries, improving system responsiveness.

Full Stack Developer at Kofax

October 1, 2024 - Present

Led the development of Spring Boot microservices and REST APIs for invoice processing and document classification; implemented PO 2/3-way matching and duplicate detection to reduce manual touches on ~500K invoices/month; refactored payments/AP microservices with idempotent retries and unified error handling, raising STP to ≥98.5%. Built reusable React components for document review portals and integrated OAuth2/JWT authentication; collaborated with QA to adopt Cypress and Postman in CI/CD, reducing regression cycles by 45%.

Full Stack Developer at Ericsson Global Services

May 1, 2023 - October 10, 2025

Developed scalable backend services with Spring Boot for real-time mobile broadband monitoring, delivering API-driven analytics to 110K+ users globally. Optimized data retrieval and throughput, deployed AWS-based analytics with auto-scaling, and enhanced data access via GraphQL and Memcached; established CI/CD with GitHub Actions and Terraform, with Prometheus/Grafana monitoring for observability.

Full Stack Developer at Accenture

December 1, 2021 - October 10, 2025

Built Node.js microservices for health claims workflow, enabled secure patient/provider portal via React, and optimized SQL queries/stored procedures for large datasets. Automated infrastructure with Terraform/AWS CloudFormation, maintained CI/CD with GitLab CI, integrated Apache Kafka for real-time claims streaming (20,000+ messages/hr), and leveraged Redis caching for faster queries.

Full Stack Developer at Kofax

October 1, 2024 - Present

Led development of Spring Boot microservices and REST APIs for invoice processing and document classification; reduced manual touch rate by 40% on ~500K invoices/month via PO 2/3-way matching and duplicate detection. Refactored Hibernate-based payments/AP microservices with early validation, idempotent retries, and unified error handling; cut median resolution time ~35% and achieved STP ≥98.5%. Built reusable React components in TypeScript for document review portals; improved accessibility with WCAG-compliant features and increased portal adoption from 45% to 67%. Implemented OAuth2/JWT authentication; integrated Cypress and Postman into CI/CD; regression cycles reduced by 45%, deployments increased from bi-weekly to weekly.

Full Stack Developer at Ericsson Global Services

May 1, 2023 - October 10, 2025

Developed real-time mobile broadband monitoring platform; designed/restful APIs for network analytics serving 110K+ active users globally; improved data retrieval speed and throughput. Built scalable Spring Boot backend services for monitoring, fault detection, auto-healing; reduced critical-incident resolution time from hours to under 45 minutes during peak. Expanded AWS-based analytics across regions; enhanced availability with EC2, Lambda, S3. Optimized PostgreSQL/MySQL with partitioning/indexing; quick access to 30,000+ records/hour; improved p95 latency from 820 ms to 310 ms. Implemented GraphQL queries and Memcached caching for real-time session/device metrics; 20,000+ records/hour. Set up CI/CD with GitHub Actions and Terraform; added Prometheus/Grafana for observability; improved deployment frequency and issue resolution.

Full Stack Developer at Accenture

December 1, 2021 - October 10, 2025

Developed Node.js microservices for Rantikey Health Claims Platform; streamlined claims processing, provider search, benefit verification; improved API response times and scalable third-party integration. Built secure React portal for patients/providers to track claim history, manage billing, and view EOBs; session duration increased by 2+ minutes and mobile accessibility improved. Optimized SQL queries/stored procedures for claims/eligibility; reduced execution time from minutes to seconds during enrollment. Automated infra deployment with Terraform and AWS CloudFormation; HIPAA-compliant S3 with server-side encryption. Designed and maintained GitLab CI/CD pipelines with unit tests, static analysis, and integration tests; reduced production bugs and improved deployment consistency. Integrated Apache Kafka for real-time claims streaming; 20,000+ messages/hour; Redis caching to speed queries; improved responsiveness.

Full Stack Developer at Kofax

October 1, 2024 - Present

Led the development of Spring Boot microservices and REST APIs for invoice processing and document classification; reduced manual touch rate by 40% on ~500K invoices/month by adding PO-based 2/3-way matching and duplicate-detection; refactored Hibernate-based payments/AP microservices for B2B invoicing with early validation, idempotent retries, and unified error handling; improved STP to ≥98.5%; built reusable React components in TypeScript for document review portals; integrated OAuth2/JWT authentication; enhanced QA with Cypress and Postman in CI/CD, reducing pre-release regression cycles by 45% and increasing deployment frequency.

Full Stack Developer at Ericsson Global Services

May 1, 2023 - October 10, 2025

Oversaw development of a real-time mobile broadband monitoring platform; designed and optimized RESTful APIs for 110K+ active users across global 5G nodes; engineered scalable Spring Boot backend services for monitoring, detection, and auto-healing network faults; leveraged AWS (EC2, Lambda, S3) for high-availability analytics; enhanced DB performance (PostgreSQL, MySQL) with partitioning and indexing; embedded GraphQL and Memcached for real-time data access; deployed CI/CD with GitHub Actions and Terraform with Prometheus/Grafana monitoring.

Full Stack Developer at Accenture

December 1, 2021 - October 10, 2025

Developed Node.js microservices for the Rantikey Health Claims Platform; built secure React portal for patients and providers to track claims, manage billing, and view EOBs; refactored SQL queries/stored procedures to reduce query time; automated infrastructure with Terraform and AWS CloudFormation; maintained CI/CD with GitLab CI; integrated Apache Kafka for real-time claims streaming (~20,000+ messages/hour) and Redis caching to accelerate queries.

Full-Stack Developer at Kofax, USA

October 1, 2024 - November 18, 2025

Managed end-to-end development of a high-availability, microservices-based document processing and workflow automation application, from requirements to deployment and support. Built a responsive UI with React.js and developed 12+ RESTful APIs in Java/Spring Boot, with asynchronous messaging to improve scalability. Led database design and optimization, achieving sub-second reports through advanced indexing. Implemented CI/CD using AWS CodePipeline and CodeBuild, cutting release cycles from two weeks to two days. Migrated storage from on-premises to Amazon S3 and other AWS services with secure, encrypted handling. Wrote 500+ unit and integration tests with JUnit 5, enabling a test-driven approach and 90%+ code coverage for critical services. Collaborated across engineering, QA, and product to deliver high-quality features on schedule.

Full-Stack Developer at Ericsson Global Services, India

May 1, 2023 - May 1, 2023

Redesigned a legacy document processing application by implementing a container-based architecture with Java and Spring Boot, improving stability and supporting over 50,000 concurrent users. Led a team to design and integrate more than 20 RESTful web services using Node.js, enabling seamless data communication between on-premises systems and cloud applications. Automated cloud infrastructure setup on Google Cloud Platform (GCP) via Infrastructure-as-Code, reducing environment configuration time and storage costs. Implemented event-driven workflows with Google Cloud Functions processing millions of events monthly. Created end-to-end CI/CD pipelines with Jenkins to Kubernetes, boosting delivery efficiency and reducing deployment cycle time. Optimized SQL queries and database structures to boost data retrieval speeds for reporting by 60% while preserving data integrity.

Full-Stack Developer at Accenture, India

December 1, 2021 - December 1, 2021

Built dynamic, responsive UIs with React.js, improving performance and user engagement. Mentored two project teams, establishing standards for component-based development that increased code reuse. Developed and maintained 50+ server-side APIs with Java 8/J2EE (including JSP and JPA) and contributed to migrating from a monolithic to a microservices architecture with Spring Boot. Supported partial migration of data to MongoDB to accommodate diverse data formats and improve query performance. Implemented a structured testing process using Jest and Cypress for unit, integration, and end-to-end tests, reducing post-release defects. Collaborated with QA, DevOps, and product teams in Agile; facilitated CI/CD and continuous delivery.