Four companies, one continuous line of increasing ownership.

Oldest first — each role’s teaser is always visible; “Full role details” expands into responsibilities, leadership, outcomes, the projects it produced, and its technology stack.

1. Dec 2007 — Dec 2010

   3 years

   Software Programmer

   Comnet Innovations Pvt. Ltd · Gurugram (IT Solutions and Services Provider)

   I developed reporting modules for logistics and sales data visualization

   Full role details

   Major responsibilities

   • I participated in SDLC activities, documentation, and QA support for internal tools
   • I collaborated with stakeholders to gather business requirements

2. Dec 2010 — Mar 2014

   3 years, 4 months

   Programmer

   PC Solutions Pvt. Ltd · Gurugram (Technology Solutions Provider)

   I built core enterprise services using Java and JSP for booking and operations platforms

   Full role details

   Major responsibilities

   • I refactored database queries, improving data layer performance by 20%
   • I contributed to version upgrades and performance enhancements

3. Apr 2014 — Aug 2015

   1 year, 4 months

   Senior Java Developer

   TeamLease Services Pvt. Ltd · Gurugram | Staffing and Recruitment Services

   AviationFinancial Systems

   I owned critical backend modules using Spring MVC, Spring Security and REST APIs in financial systems

   Full role details

   Major responsibilities

   • I spearheaded production issue triage, reducing mean time to resolution by 30%
   • I collaborated with onshore/offshore teams to align features with finance domain needs

   Business outcomes

   • Reduced mean time to resolution for production issues by 30%.

   Key achievements

   I reduced mean time to resolution for production issues by 30% through direct ownership of triage.

   Technology stack

   JavaSpring MVCREST APIs

4. Sep 2015 — Apr 2025

   9 years, 7 months

   Senior Java Developer → Lead Java Developer

   Opal BPM India Pvt Ltd · India

   RetailPackagingEnterprise SaaSIdentity & AuthenticationTrading & Marketplace PlatformsWorkflow Automation

   I joined as a Senior Java Developer (second engineering hire) and grew with the company as it scaled its product and engineering team over nine years, progressing into Lead Java Developer.

   Full role details

   Major responsibilities

   • I architected and led full-stack development of Opal's enterprise applications using Spring MVC, Spring Security, Spring Boot, Microservices, ExtJS, and React.
   • I led design and rollout of an OAuth2-based authentication and authorization system, standardizing security across multiple client deployments.
   • I owned deployment of critical services to UAT/production, including rollback and monitoring strategy.
   • During the last five years of my tenure, I provided technical leadership and mentoring to a team of 5–7 developers, establishing code-quality and system-design practices, while continuing hands-on architecture and backend work.
   • I defined CI/CD strategy using Jenkins and Docker, and implemented cloud-native deployments on AWS EC2.
   • I architected the Enterprise Exchange Platform — 16 interconnected microservices for multi-tenant trading, built on Java 21, Spring Boot 3.4.13, PostgreSQL, Kafka, and Redis.
   • I built the Beckn Protocol Verification Adapter ("WRI Connector") — an RFC 1.2.0-compliant identity-verification adapter in Python/FastAPI supporting multiple providers with Ed25519-signed multi-tenant isolation.

   Leadership responsibilities

   • During the last five years of my Opal BPM tenure, I provided technical leadership and mentoring to a team of 5–7 developers, establishing code-quality and system-design practices, while continuing hands-on architecture and backend work.

   Business outcomes

   • In continuous production use across Opal's private-brand retail client base for nine-plus years.
   • Scaled from a two-person starting point to a full engineering organization and product suite over that period.
   • OAuth2-based authentication and authorization standardized across multiple client deployments of the platform.
   • Running in production at 99.9% uptime.
   • Notification delivery at under 100ms.
   • Supports buyer/seller order management, trade matching, and settlement across 5 waste categories in a single multi-tenant platform.
   • RFC 1.2.0-compliant and running in production.
   • Supports 5+ identity-verification providers behind one adapter interface.
   • P95 API latency under 50ms.

   Key achievements

   I joined Opal BPM as a Senior Java Developer (second engineering hire) and progressed into Lead Java Developer over a 9-year, 7-month tenure.

   I architected the Enterprise Exchange Platform's 16-microservice trading system, running in production at 99.9% uptime with sub-100ms notification delivery.

   I built an RFC 1.2.0-compliant Beckn protocol adapter supporting 5+ identity-verification providers at sub-50ms P95 API latency.

   I led the standardization of OAuth2-based authentication and authorization across multiple client deployments of Opal's platform.

   During the last five years at Opal BPM, I provided technical leadership and mentoring to a team of 5–7 developers, establishing code-quality and system-design practices.

   Technology stack

   JavaSpring MVCSpring BootSpring SecurityMicroservicesExtJSReactAWSDockerJenkinsCI/CDOAuth2JWTREST APIsJava 21Spring Boot 3.4.13PostgreSQLKafkaRedisPython 3.12+FastAPICelery

Only the 4 job titles on verified record — shown as progression, not a resume list.

1. Software Programmer

   Comnet Innovations Pvt. Ltd · Dec 2007 — Dec 2010

2. Programmer

   PC Solutions Pvt. Ltd · Dec 2010 — Mar 2014

3. Senior Java Developer

   TeamLease Services Pvt. Ltd · Apr 2014 — Aug 2015

   As Senior Java Developer (engaged via TeamLease Services Pvt Ltd), I took ownership of critical backend modules within InterGlobe's financial systems, and led production issue triage for those modules — this was an individual-ownership role within a larger onshore/offshore delivery team.

4. Senior Java Developer → Lead Java Developer

   Opal BPM India Pvt Ltd · Sep 2015 — Apr 2025

   I joined Opal BPM as a Senior Java Developer (second engineering hire) in September 2015 and, over a 9-year, 7-month tenure progressing into Lead Java Developer, architected and led full-stack development of its enterprise applications — spanning Spring MVC, Spring Security, Spring Boot, Microservices, ExtJS, and React on the frontend side — while the product and engineering team scaled around that architecture. Technical leadership of a 5–7 developer team was concentrated in the last five years of that tenure.

Grouped by engineering concern; each group shows which role first introduced it.

Every industry tag is a direct read of a project’s own overview — not a separately claimed label.

Verified metrics and achievements only — nothing here is rounded up or estimated.

Six values, each backed by one specific, already-verified decision or practice above — not a list of adjectives.