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Hi, I'm Daniel Chen, a Senior Software Engineer passionate about turning AI research into real-world, scalable software. I specialize in building end-to-end cloud-native platforms, event-driven architectures, and AI-powered products using Node.js, React, Next.js, Prisma, and OpenAI LangChain. Based in Bristol, I enjoy collaborating with cross-functional teams to ship production-grade systems that deliver measurable impact. I mentor junior engineers, drive sprint planning, and champion robust CI/CD, testing, and security practices. In my spare time I explore AI tooling, cloud-native patterns, and multilingual systems to help organizations solve complex problems and create social value.…Hi, I'm Daniel Chen, a Senior Software Engineer passionate about turning AI research into real-world, scalable software. I specialize in building end-to-end cloud-native platforms, event-driven architectures, and AI-powered products using Node.js, React, Next.js, Prisma, and OpenAI LangChain. Based in Bristol, I enjoy collaborating with cross-functional teams to ship production-grade systems that deliver measurable impact. I mentor junior engineers, drive sprint planning, and champion robust CI/CD, testing, and security practices. In my spare time I explore AI tooling, cloud-native patterns, and multilingual systems to help organizations solve complex problems and create social value.

Daniel Chen

PRO

Full Stack Developer, Front-End Developer, Back-End Developer, +2

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Hi, I'm Daniel Chen, a Senior Software Engineer passionate about turning AI research into real-world, scalable software. I specialize in building end-to-end cloud-native platforms, event-driven architectures, and AI-powered products using Node.js, React, Next.js, Prisma, and OpenAI LangChain. Based in Bristol, I enjoy collaborating with cross-functional teams to ship production-grade systems that deliver measurable impact. I mentor junior engineers, drive sprint planning, and champion robust CI/CD, testing, and security practices. In my spare time I explore AI tooling, cloud-native patterns, and multilingual systems to help organizations solve complex problems and create social value.…Hi, I'm Daniel Chen, a Senior Software Engineer passionate about turning AI research into real-world, scalable software. I specialize in building end-to-end cloud-native platforms, event-driven architectures, and AI-powered products using Node.js, React, Next.js, Prisma, and OpenAI LangChain. Based in Bristol, I enjoy collaborating with cross-functional teams to ship production-grade systems that deliver measurable impact. I mentor junior engineers, drive sprint planning, and champion robust CI/CD, testing, and security practices. In my spare time I explore AI tooling, cloud-native patterns, and multilingual systems to help organizations solve complex problems and create social value.

Available to hire

Bristol, United Kingdom

Hi, I’m Daniel Chen, a Senior Software Engineer passionate about turning AI research into real-world, scalable software. I specialize in building end-to-end cloud-native platforms, event-driven architectures, and AI-powered products using Node.js, React, Next.js, Prisma, and OpenAI LangChain. Based in Bristol, I enjoy collaborating with cross-functional teams to ship production-grade systems that deliver measurable impact.
I mentor junior engineers, drive sprint planning, and champion robust CI/CD, testing, and security practices. In my spare time I explore AI tooling, cloud-native patterns, and multilingual systems to help organizations solve complex problems and create social value.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

Work Experience

Full Stack Developer at Ticket Tailor

July 1, 2018 - May 31, 2020

➕Built and maintained the ticketing and event management platform using Node.js (Express), React, and PostgreSQL, serving thousands of concurrent users. ➕Integrated payment systems (Stripe, PayPal) and designed secure transaction flows with PCI-compliant practices. ➕Introduced Next.js for server-side rendering, improving SEO and initial load times by 40%. ➕Designed real-time notification systems using RabbitMQ and Socket.io for instant updates on sales, refunds, and attendee check-ins. ➕Deployed services using Docker, Nginx, and AWS EC2, implementing CI/CD pipelines via Jenkins and GitLab CI. ➕Optimized API latency and implemented robust logging/monitoring with ELK stack, improving system observability.

Software Engineer at Apple

June 1, 2020 - May 31, 2023

➕Contributed to large-scale internal applications and APIs built with Node.js, Next.js, and React, ensuring pixel-perfect design and top-tier performance standards. ➕Integrated machine learning APIs for smart recommendations, leveraging Python (FastAPI) microservices and internal AI frameworks. ➕Implemented event-driven microservices using Kafka and AWS Lambda, achieving millisecond response times for critical features. ➕Enhanced app security and data privacy following Apple’s Secure Coding Guidelines, including OAuth2.0, JWT, and Keychain integration. ➕Developed internal tools for build automation, code linting, and peer code review pipelines that improved code quality metrics by 30%. ➕Collaborated in cross-functional agile teams, delivering performant, accessible, and internationalized applications at Apple scale.

Senior Lead Engineer at Fortell.ai

June 1, 2023 - October 31, 2024

➕Led development of AI-powered conversational and data collection platform using Next.js, Prisma, and Supabase as the core stack for scalable, serverless delivery. ➕Integrated OpenAI, LangChain, EdenAI, ElevenLabs, and Speechify APIs to enable real-time conversation, speech synthesis, transcription, translation, and AI-driven analysis. ➕Architected an offline-first experience using IndexedDB and service workers to ensure uninterrupted functionality in low-connectivity environments. ➕Implemented retrieval-augmented generation (RAG) pipelines with vector databases (Pinecone / Supabase Vector) for contextual, domainspecific AI responses. ➕Built event-driven messaging and background processing with Kafka and Supabase Realtime, enabling scalable AI task orchestration and data synchronization. ➕Deployed serverless and containerized workloads on Vercel and GCP Cloud Run, implementing CI/CD pipelines, automated testing, and infrastructure monitoring. ➕Collaborated closely with AI researchers and product teams to transform prototypes into production-ready, multilingual AI products serving global organizations.

Senior Software Engineer at ScienceSoft

November 1, 2024 - October 15, 2025

➕Architected and developed microservice-based enterprise platforms using Node.js (Express) and React, integrating scalable REST and GraphQL APIs. ➕Led design of AI-driven analytics modules using LangChain, OpenAI API, and vector-based RAG pipelines for real-time client data insights and predictive dashboards. ➕Implemented event-driven architectures using Kafka and AWS SNS/SQS, improving system scalability and responsiveness across distributed components. ➕Deployed cloud-native services on AWS (ECS, Lambda, CloudFormation, RDS) ensuring high availability, performance, and CI/CD automation via GitHub Actions. ➕Collaborated with data and QA teams to enforce code quality, conduct code reviews, and maintain system-wide architectural integrity. ➕Mentored junior engineers, led sprint planning, and optimized developer workflows to reduce delivery time by 25%.