Available to hire
Hi, I’m Tim Bowcock, a senior JavaScript tech lead with a track record of delivering high-quality, mission-critical software across fintech, healthcare, retail and public services. I’m passionate about code quality, testing, mentoring, and building robust CI/CD workflows. I excel at defining architectures, documenting APIs and integrations, and solving real-world business problems with scalable, maintainable code.
I enjoy turning complex, legacy, spreadsheet-driven processes into automated, reliable production systems and leading cross-functional teams to success in regulated environments. I’m comfortable in client-facing roles and thrive on practical collaboration, continuous improvement, and shipping value quickly.
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Language
English
Fluent
Work Experience
Tech Lead at Sherwen Studios
October 1, 2025 - September 30, 2025Led project to digitise grocery promotion processes for the UK's largest food wholesaler. Defined tech stack, architecture, testing requirements and infrastructure. Transformed eight-figure monthly revenue processes from spreadsheet/email workflows to production-ready software via greenfield PoC/MVP and user pilot. Built and mentored six developers over 18 months and handed over to in-house team. Stack included containerised Node.js and React microservices with AWS staging and on-prem UAT/production. Completed migration from legacy architecture/processes to well-defined, documented TDD, CI/CD and agile practices. Tools and integrations included Docker, Bitbucket, EC2/ECR/CodeArtifact, Jest, Playwright, OpenAPI, Mulesoft, SAP, Cursor, TypeScript, Prisma ORM and JWT auth.
Senior JavaScript Engineer at go-maestro.com
March 1, 2024 - September 30, 2025Developed Node.js microservice for Private Equity solution across EU/US portfolios; enabled data sharing between GPs/LPs and deal stakeholders in multi-investment deals. Built frontend testing framework with React Testing Library and Playwright; mentored team on testing best practices. Integrated into GitHub CI and deployed on Heroku/AWS with frontend stack including React, GraphQL, AG Grid and Redux.
Senior JavaScript Engineer at Motive Create
August 1, 2023 - September 30, 2025Created Node.js fintech backend on AWS. Responsible for code quality and testing across a team of ~eight developers. Championed TypeScript adoption; enhanced third-party integration testing and delivered milestones to end client. Two-month secondment to productionise and improve MVP created by offshore team.
JavaScript Tech Lead at Biogen
March 1, 2022 - September 30, 2025Led remote European design and engineering team for German video-on-demand MVP, part of a pharmaceutical brochure/education site. Delivered ahead of schedule; focused on CI test coverage and API improvements from suppliers. Tech: React/Next.js, GraphQL/RESTful APIs, Contentful, Lokalize, Storybook, styled-components. CI on GitHub with Jest, SonarQube, Storybook and AWS deployment.
Lead JavaScript Engineer at Accenture
April 1, 2021 - September 30, 2025Founding engineer on greenfield public safety platform. React/Node, GraphQL API; emphasis on reusable UI components across policing products. Grew team to three.
JavaScript Engineer at Jigsaw XYZ
March 1, 2020 - September 30, 2025Node.js microservice API for React Native fintech app; Open Banking integration using TypeScript, OpenAPI and PostgreSQL. Testing with Mocha/Chai; CI/CD to AWS.
JavaScript Engineer at Ericsson
December 1, 2019 - September 30, 2025Greenfield management of mobile networks. Node.js microservices and integrations with Remedy/ServiceNow, SSO/WAM. Agile methodology and CD to Azure via Jenkins.
Full stack JavaScript Engineer at Aevi
September 1, 2017 - September 30, 2025Developer portal for mobile payment fintech apps. Highly secure Node.js RESTful API backend; Angular 1.6; Agile, TDD with Selenium and Cucumber; CD to AWS on EC2/S3.
JavaScript Developer at The App Business
October 1, 2016 - September 30, 2025Web app for Met Office/Environment Agency flood warning reports. Isomorphic React in ES6/2015; Babel/Webpack. BDD using Gherkin/Cucumber and Selenium. CD to AWS.
JavaScript Developer at eGain
March 1, 2016 - September 30, 2025Suite of data visualization widgets using D3, dc.js, AngularJS; high-performance Node.js API with CouchDB NoSQL. Mocha/Selenium test framework.
Web App Developer at Exony
July 1, 2014 - September 30, 2025Modular tool for bespoke call centre data visualization on Node.js, CouchDB; vanilla JS and frameworks. TDD with Mocha/Webdriver/PhantomJS.
Node.js Developer at Wellcome Trust
March 1, 2013 - September 30, 2025Laboratory management system for human genome DNA sequencing project. Node.js API creation and consumption; Jasmine and Git.
Front-end Developer at Premier League
December 1, 2012 - September 30, 2025Video on-demand portal for football coaches using FFMPEG and HTML5 video.
Front-end Developer at Press Association
October 1, 2012 - September 30, 2025JavaScript widget for client sites using HTML5 Canvas and CSS3 to diagram events; cross-platform Canvas compositing.
UI Developer at Open University
July 1, 2012 - September 30, 2025Refactored homepage code and improved responsiveness.
Tech Lead at Sherwen Studios
October 1, 2025 - September 30, 2025Led a project to digitise grocery promotion processes for the UK’s largest food wholesaler; defined tech stack, architecture, testing requirements and infrastructure. Transformed eight-figure monthly revenue workflows from greenfield through PoC/MVP to production; mentored six developers over 18 months and moved the client to defined TDD, CI/CD and agile processes; stack included containerised Node.js and React microservices with AWS staging and on‑prem UAT/prod deploy; integrated Docker, Bitbucket, EC2/ECR, CodeArtifact, Jest, Playwright, OpenAPI, Mulesoft, SAP, Cursor, TypeScript, Prisma ORM and JWT authentication.
Senior JavaScript Engineer at go-maestro.com
March 1, 2024 - September 30, 2025Developed a Node.js microservice delivering a Private Equity solution across EU/US portfolios; enabled data sharing between GPs/LPs and deal stakeholders in multi-investment deals. Created frontend testing framework with React Testing Library and Playwright and promoted testing best practices. Integrated into GitHub CI and deployed on Heroku/AWS; frontend stack included React, GraphQL, AG-Grid and Redux.
Senior JavaScript Engineer at Motive Create
August 1, 2023 - September 30, 2025Created a Node.js fintech backend on AWS; drove code quality and testing across a team of ~eight; championed TypeScript adoption and enhanced third-party integration testing; delivered milestones to the end client; completed a two-month secondment to productionise an MVP from offshore team.
Tech Lead at Biogen
March 1, 2022 - September 30, 2025Led a fully remote European design and engineering team for a German video-on-demand MVP as part of a pharmaceutical brochure/education site; delivered ahead of schedule; emphasised CI/test coverage and API improvements from suppliers; tech stack included React/Next.js, GraphQL/RESTful APIs, Contentful, Lokalize, Storybook, and styled-components; CI on GitHub with Jest, SonarQube, Storybook and AWS deployment.
Founder Engineer at Accenture
April 1, 2021 - September 30, 2025Founder engineer on greenfield public safety platform. React/Node. GraphQL API; emphasis on reusable UI components across policing products; grew team to three.
JavaScript Engineer at Jigsaw XYZ
March 1, 2020 - September 30, 2025Node.js microservice API for a React Native fintech app. Integration with Open Banking; TypeScript, OpenAPI and PostgreSQL; testing with Mocha/Chai; CI/CD to AWS.
JavaScript Engineer at Ericsson
December 1, 2019 - September 30, 2025Greenfield management of mobile networks; Node.js microservices and integrations with Remedy/ServiceNow; SSO/WAM; Agile; CD to Azure via Jenkins.
Full Stack JavaScript Engineer at Aevi
September 1, 2017 - September 30, 2025Developer portal for mobile payment fintech apps; highly secure Node.js RESTful API backend; Angular 1.6; Agile, TDD environment with Selenium and Cucumber; CD to AWS on EC2 and S3.
JavaScript Developer at The App Business
October 1, 2016 - September 30, 2025Web app for Met Office/Environment Agency flood warning reports; isomorphic React in ES6/2015 using Babel and Webpack; BDD using Gherkin/Cucumber and Selenium; CD to AWS.
Full Stack Developer at eventridermasters.tv
June 1, 2016 - September 30, 2025Real-time Angular 1.5 leaderboard for equestrian events; Node.js RESTful API for scoring teams; deployed to Heroku, backed on JawsDB MySQL.
JavaScript Developer at eGain
March 1, 2016 - September 30, 2025Suite of data visualisation widgets using D3, dc.js, AngularJS; high-performance Node.js API with CouchDB NoSQL; Mocha/Selenium test framework.
Web App Developer at Exony
July 1, 2014 - September 30, 2025Modular tool for bespoke call centre data visualization on Node.js, CouchDB; vanilla JS and frameworks; TDD with Mocha/WebDriver/PhantomJS.
Node.js Developer at Wellcome Trust
March 1, 2013 - September 30, 2025Laboratory management system for human genome DNA sequencing project; Node.js API creation and consumption; Jasmine and Git.
Front-end Developer at Premier League
December 1, 2012 - September 30, 2025Video on-demand portal for Premier League football coaches using FFMPEG and HTML5 video.
Front-end Developer at Press Association
October 1, 2012 - September 30, 2025JavaScript widget white-label for PA client sites using HTML5 Canvas and CSS3 to diagram match events; cross-platform Canvas compositing.
UI Developer at Open University
July 1, 2012 - September 30, 2025Refactored homepage code (sociallearn.open.ac.uk) using jQuery and jQuery UI, Masonry and responsive Bootstrap.
Tech Lead at Sherwen Studios
October 1, 2025 - September 30, 2025Led a project to digitise grocery promotion processes for the UK’s largest food wholesaler; defined tech stack, architecture, testing requirements and infrastructure; transformed eight-figure monthly revenues from greenfield through PoC/MVP to production; oversaw and mentored six developers over 18 months; stack included containerised Node.js and React microservices deployed to AWS staging and on-prem UAT/production; facilitated migration from legacy architecture to a well-documented TDD, CI/CD and Agile workflow; tools and integrations included Docker, Bitbucket, EC2/ECR, CodeArtifact, Jest, Playwright, OpenAPI, Mulesoft, SAP, Cursor, TypeScript, Prisma ORM and JWT authentication.
Senior JavaScript Engineer at go-maestro.com
March 1, 2024 - September 30, 2025Developed a Node.js microservice for a Private Equity solution across EU/US portfolios; enabled data sharing among GPs/LPs and deal stakeholders in multi-investment deals; created a frontend testing framework with React Testing Library and Playwright; integrated into GitHub CI and deployed on Heroku/AWS; frontend stack included React, GraphQL, AG-Grid and Redux.
Senior JavaScript Engineer at Motive Create
August 1, 2023 - September 30, 2025Created a Node.js fintech backend on AWS; drove code quality and testing across a team of ~eight; championed TypeScript adoption; enhanced third-party integration testing; delivered MVP milestones and productionised work from offshore teams during a two-month secondment.
JavaScript Tech Lead at Biogen
March 1, 2022 - September 30, 2025Led a fully remote European design and engineering team for a German video-on-demand MVP; achieved ahead-of-schedule delivery; emphasised test coverage metrics as part of CI and API improvements from suppliers; tech stack included React/Next.js, GraphQL/RESTful APIs, Contentful, Lokalize, Storybook and styled-components; CI on GitHub with Jest, SonarQube, Storybook and AWS deployment.
Lead JavaScript Engineer at Accenture
April 1, 2021 - September 30, 2025Founding engineer on greenfield public safety platform; React/Node; GraphQL API; emphasis on reusable UI components across policing products; grew team to three.
JavaScript Engineer at Jigsaw XYZ
March 1, 2020 - September 30, 2025Node.js microservice API for a React Native fintech app; Open Banking; TypeScript; OpenAPI; PostgreSQL; testing with Mocha/Chai; CI/CD to AWS.
JavaScript Engineer at Ericsson
December 1, 2019 - September 30, 2025Greenfield management of mobile networks; Node.js microservices and integrations with Remedy/ServiceNow, SSO/WAM; Agile; CI to Azure via Jenkins.
Full Stack JavaScript Engineer at Aevi
September 1, 2017 - September 30, 2025Developer portal for mobile payment fintech apps; Node.js RESTful API; Angular 1.6; Agile; TDD with Selenium and Cucumber; CD to AWS on EC2/S3.
JavaScript Developer at The App Business
October 1, 2016 - September 30, 2025Web app for Met Office/Environment Agency flood warning; isomorphic React in ES6/2015 with Babel and Webpack; BDD using Gherkin/Cucumber and Selenium; CD to AWS.
Full Stack Developer at eventridermasters.tv
June 1, 2016 - September 30, 2025Real-time Angular 1.5 leaderboard for eventridermasters.tv equestrian events; Node.js RESTful API for scoring teams; deployed to Heroku, backed by JawsDB MySQL.
JavaScript Developer at eGain
March 1, 2016 - September 30, 2025Suite of data visualization widgets using D3, dc.js and AngularJS; high-performance Node.js API with CouchDB; Mocha/Selenium test framework.
Web App Developer at Exony
July 1, 2014 - September 30, 2025Modular tool for bespoke call centre data visualization on Node.js and CouchDB; TDD with Mocha/WebDriver/PhantomJS.
Node.js Developer at Wellcome Trust
March 1, 2013 - September 30, 2025Laboratory management system for human genome DNA sequencing; Node.js API creation/consumption; Jasmine; Git.
Front-end Developer at Premier League
December 1, 2012 - September 30, 2025Video on-demand portal for coaches; isomorphic React in ES5/ES6 with Babel/Webpack; BDD using Gherkin/Cucumber; Selenium; CD to AWS.
Front-end Developer at Press Association
October 1, 2012 - September 30, 2025JavaScript widget white-label for PA client sites; HTML5 Canvas with advanced Canvas compositing; cross-platform UI development.
UI Developer at Open University
July 1, 2012 - September 30, 2025Refactored homepage code (sociallearn.open.ac.uk) using jQuery/jQuery UI, Masonry and responsive Bootstrap.
Education
Qualifications
Industry Experience
Software & Internet, Financial Services, Healthcare, Education, Government, Life Sciences, Professional Services, Media & Entertainment
Skills
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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