I am a full stack developer with over 8 years of experience designing and delivering secure, high-performance web applications and microservices. I specialize in Node.js, NestJS, Express.js, and TypeScript, and have strong skills in cloud services such as AWS and Azure, along with CI/CD pipelines. I am proficient in both frontend and backend technologies, including modern frontend frameworks and backend services with strong architectural patterns. I strive to build robust, scalable, and efficient systems while collaborating effectively across teams. Currently, I work at Allianz Technology architecting microservices and real-time systems, with deep expertise in REST and GraphQL APIs, real-time communication, and observability tools. I bring a comprehensive approach to full stack engineering with attention to security, performance, and user experience, leveraging advanced testing, authentication standards, and innovative cloud infrastructure solutions.

Jason Cole

I am a full stack developer with over 8 years of experience designing and delivering secure, high-performance web applications and microservices. I specialize in Node.js, NestJS, Express.js, and TypeScript, and have strong skills in cloud services such as AWS and Azure, along with CI/CD pipelines. I am proficient in both frontend and backend technologies, including modern frontend frameworks and backend services with strong architectural patterns. I strive to build robust, scalable, and efficient systems while collaborating effectively across teams. Currently, I work at Allianz Technology architecting microservices and real-time systems, with deep expertise in REST and GraphQL APIs, real-time communication, and observability tools. I bring a comprehensive approach to full stack engineering with attention to security, performance, and user experience, leveraging advanced testing, authentication standards, and innovative cloud infrastructure solutions.

Available to hire

I am a full stack developer with over 8 years of experience designing and delivering secure, high-performance web applications and microservices. I specialize in Node.js, NestJS, Express.js, and TypeScript, and have strong skills in cloud services such as AWS and Azure, along with CI/CD pipelines. I am proficient in both frontend and backend technologies, including modern frontend frameworks and backend services with strong architectural patterns. I strive to build robust, scalable, and efficient systems while collaborating effectively across teams.

Currently, I work at Allianz Technology architecting microservices and real-time systems, with deep expertise in REST and GraphQL APIs, real-time communication, and observability tools. I bring a comprehensive approach to full stack engineering with attention to security, performance, and user experience, leveraging advanced testing, authentication standards, and innovative cloud infrastructure solutions.

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Work Experience

Full Stack Developer at Allianz Technology
June 1, 2023 - Present
Architected and maintained microservices using Node.js (Express and NestJS) for appointment scheduling, user data syncing, and payment orchestration. Built real-time communication systems with Socket.IO and Redis Pub/Sub for instant updates. Created modular REST and GraphQL APIs secured with JWT, OAuth2, and rate-limiting middleware. Developed background job queues handling transactional emails, SMS notifications, and third-party service syncs like Stripe and Sendinblue. Applied observability tools including OpenTelemetry, Sentry, and metrics for Prometheus and Grafana. Delivered real-time dashboards using React 18, Redux Toolkit, and Tailwind CSS. Collaborated with design teams using Storybook, Figma, and Zeplin to develop reusable frontend components.
Full Stack Developer at Infostream
May 31, 2023 - August 18, 2025
Developed RESTful microservices with NestJS implementing clean architecture and dependency injection. Maintained integrations with external APIs such as Salesforce and Stripe using axios and node-fetch. Implemented ETL-style data ingestion with node-cron and streaming tools. Designed role-based access control using RBAC, Passport.js, and custom Express middleware. Built dashboards with Vue 3, Pinia, and Vuetify. Applied frontend performance optimizations including lazy loading, code splitting, and SSR with Nuxt.js. Managed token refresh workflows and guarded routing for secure API consumption.
Frontend Developer at Leidos
December 31, 2017 - August 18, 2025
Developed modular UI components with Vue 2, Vuex, and AngularJS for marketing and analytics dashboards. Migrated legacy codebases using jQuery and REST APIs into component-based architecture. Ensured browser compatibility, performance profiling, and WCAG accessibility compliance. Maintained backend utilities in Node.js such as image optimization, sitemap generation, and API bridges. Created build-time tooling with Gulp, Webpack, and CLI scripts. Authored custom Express middleware for API authentication and static asset caching.

Education

Bachelor of Computer Science at Durham University
April 1, 2012 - April 1, 2016

Qualifications

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Industry Experience

Software & Internet, Financial Services, Professional Services