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Backend engineer and hands-on technical architect with 19+ years of software delivery experience, including more than a decade building production systems with Node.js, JavaScript, TypeScript and AWS. Specialises in backend platforms, API design, microservices, event-driven and serverless architectures, cloud infrastructure, observability and security. Experienced across the full engineering lifecycle—from discovery and architecture through implementation, automated testing, infrastructure as code, CI/CD, incident investigation and production support. Proven in regulated and high-throughput environments (banking, crypto compliance, online trading, betting and enterprise SaaS) and comfortable as an individual contributor, technical lead or cross-team architect.…Backend engineer and hands-on technical architect with 19+ years of software delivery experience, including more than a decade building production systems with Node.js, JavaScript, TypeScript and AWS. Specialises in backend platforms, API design, microservices, event-driven and serverless architectures, cloud infrastructure, observability and security. Experienced across the full engineering lifecycle—from discovery and architecture through implementation, automated testing, infrastructure as code, CI/CD, incident investigation and production support. Proven in regulated and high-throughput environments (banking, crypto compliance, online trading, betting and enterprise SaaS) and comfortable as an individual contributor, technical lead or cross-team architect.

Jaspal Gahunia

Pro

Web Developer, Back-End Developer, Software Engineer, +2

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Backend engineer and hands-on technical architect with 19+ years of software delivery experience, including more than a decade building production systems with Node.js, JavaScript, TypeScript and AWS. Specialises in backend platforms, API design, microservices, event-driven and serverless architectures, cloud infrastructure, observability and security. Experienced across the full engineering lifecycle—from discovery and architecture through implementation, automated testing, infrastructure as code, CI/CD, incident investigation and production support. Proven in regulated and high-throughput environments (banking, crypto compliance, online trading, betting and enterprise SaaS) and comfortable as an individual contributor, technical lead or cross-team architect.…Backend engineer and hands-on technical architect with 19+ years of software delivery experience, including more than a decade building production systems with Node.js, JavaScript, TypeScript and AWS. Specialises in backend platforms, API design, microservices, event-driven and serverless architectures, cloud infrastructure, observability and security. Experienced across the full engineering lifecycle—from discovery and architecture through implementation, automated testing, infrastructure as code, CI/CD, incident investigation and production support. Proven in regulated and high-throughput environments (banking, crypto compliance, online trading, betting and enterprise SaaS) and comfortable as an individual contributor, technical lead or cross-team architect.

Available to hire

London, United Kingdom

Backend engineer and hands-on technical architect with 19+ years of software delivery experience, including more than a decade building production systems with Node.js, JavaScript, TypeScript and AWS. Specialises in backend platforms, API design, microservices, event-driven and serverless architectures, cloud infrastructure, observability and security.

Experienced across the full engineering lifecycle—from discovery and architecture through implementation, automated testing, infrastructure as code, CI/CD, incident investigation and production support. Proven in regulated and high-throughput environments (banking, crypto compliance, online trading, betting and enterprise SaaS) and comfortable as an individual contributor, technical lead or cross-team architect.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Work Experience

Senior Software Technologist, Systems & Standards at Mytaverse

February 1, 2023 - Present

Own the architecture and hands-on development of the Spatial Manager Node.js/TypeScript backend and CMS, defining service boundaries connecting web and Unreal Engine clients. Designed advanced role and access control for personas and event eligibility, including automated enrolment via an external Training Management System. Built incident tooling (Report-It Now) that correlates logs across web/backend/Unreal, performs LLM-assisted analysis and surfaces version-tagged findings in an operator console. Led a logging audit and standardised structured logging and failure-path handling. Diagnosed and resolved distributed reliability issues including WebSocket join/race conditions and Unreal world-entry/stream-session anomalies. Identified production PII exposure and implemented Content Security Policy and Subresource Integrity for the CloudFront/S3 web app. Won and delivered an Emirates programme covering cabin-crew and pilot training with aircraft-specific configuration and staged removal

Senior Software Technologist at AND Digital

September 1, 2021 - February 1, 2022

Developed Node.js backend services for a new CRM used by a global recruitment company, helping launch and extend the platform for the Dubai market.

Senior Software Technologist / Tech Lead at Cegid

May 1, 2020 - November 30, 2022

Launched a public API consumed by enterprise clients including KPMG France. Refactored SQL processing to execute large workloads asynchronously. Acted as framework guardian for the core platform, guiding Paris-based teams building business functionality on top of it. Led a delivery squad, translated technical requirements into engineering standards, mentored developers and reviewed most pull requests.

Senior Software Technologist / Tech Lead at Xapo

August 1, 2019 - April 30, 2020

Rebuilt a global compliance application in Node.js to support multiple territories and new third-party compliance providers. Removed defects inherited from a legacy application and introduced automated delivery with comprehensive test coverage. Produced system documentation and guided the team in structured review, automated testing, defensive programming and coding standards.

Senior Software Technologist at Cabiri at LEGO

April 1, 2019 - August 31, 2019

Ported business logic from a Java monolith to Node.js AWS Lambda services. Integrated services with SAP and commercetools, connecting the React client to AWS Lambda through GraphQL. Refactored existing code and provided technical guidance via review and pair programming.

Senior Software Technologist / Tech Lead at Publicis Sapient at HSBC

October 1, 2018 - April 30, 2019

Built greenfield Node.js microservices for the launch of HSBC Kinetic (SME business application) and contributed to the React front end. Produced solution designs, data flows and API call chains, then implemented them within a Tier 1 banking environment. Coordinated delivery across engineering teams in the UK and India.

Senior Software Technologist at Yupana Systems

October 1, 2017 - October 1, 2018

Extended the core Node.js/C++ framework for a white-label accounting platform, enabling third-party teams to build new business functionality. Created a public API configurable with client-specific business rules. Migrated London and Paris teams from virtual machines to Docker and implemented CI/CD for unit, lint and integration testing with automated image publishing.

Head of Technology & Development at Accelerate Digital

December 1, 2015 - October 31, 2017

Owned technology strategy, development delivery and DevOps for a digital agency. Architected Node.js microservice platforms, multi-region web applications and middleware for third-party APIs. Led hiring and mentoring and introduced code review, testing, CI and engineering standards.

Senior Software Engineer at Interactive Investor

February 1, 2014 - December 31, 2015

Helped modernise a business-critical online trading platform from a Zend monolith to high-throughput microservices using Node.js and AWS SQS/SNS. Led projects, supported Scrum activities and mentored developers.

Senior Software Engineer at OpenBet

April 1, 2010 - February 28, 2014

Developed and supported real-time betting systems, including the Bet Placement System, and delivered performance improvements for peak sporting events. Helped launch Coral.co.uk and Sportsbet.com.au. Worked as an analyst, release manager and international trainer.

Software Engineer at Thales UK Defence

November 1, 2006 - April 30, 2010

Developed security-cleared real-time and multi-threaded C++ systems for electronic-warfare and radar applications across UNIX and Windows. Worked throughout requirements and UML design through implementation, simulation, integration and support.