Creating AI-assisted trend-intelligence tools @ WGSN

Baris Balli — senior full stack engineer crafting bold digital experiences.

I bridge the gap between engineering and product delivery. I guide cross-functional squads to turn complex roadmaps into resilient, revenue-generating software.

  • AI-guided product strategy
  • AWS + PostgreSQL data pipelines
  • Design systems & DX leadership
  • Microservices & GraphQL platforms
Baris Balli

WROCŁAW / REMOTE

Highlights

Experience
5+ yrs
Platforms scaled
10× growth
UI libraries shipped
3

Career

Work Experience

2019 — Present
Senior Full Stack Developer

WGSNLondon (Remote)

March 2025 — Present
  • Build AI-assisted trend-intelligence tools with Next.js, Nodejs, and MongoDB that unify workflows for research, editorial, and commercial teams
  • Ship data-ingestion services on AWS (Lambda, SQS, PostgreSQL) that condense millions of weekly signals into actionable scoring models
  • Create an official company-wide used Lambda framework to simplify the deployment of new services and micro-services
  • Collaborate with data scientists to productionize forecasting experiments, layering contract tests and Grafana-based observability around each release
Senior Full Stack Developer

CircaNew York City

April 2024 — February 2025
  • Led frontend development using Next.js and engineered a company-wide UI component library, enhancing development consistency and efficiency
  • Architected microservices using NestJS and contributed to the development of an internal backend framework, improving code reusability and standardization
  • Designed and implemented complex PostgreSQL queries and database migration scripts using TypeORM, ensuring seamless data transitions in production and development environments
  • Played a key role in scaling the platform infrastructure to support 10x user growth and significant market share expansion
Full Stack Developer

BeesafeWarsaw

August 2022 — May 2024
  • Implemented multiple micro-services using Nodejs, PostgreSQL, and Rabbitmq, reducing call center traffic by up to 80%
  • Introduced advanced technologies like NestJS and Kubernetes to the team
  • Took an active part in micro service architecture design to anticipate and avoid potential pitfalls
  • Initiated and developed r4bbit project to simplify RabbitMQ usage across the organization
Full Stack Developer

Alse Softwareİzmir

March 2021 — August 2022
  • Implemented web solutions for digitalizing companies using React, TypeScript, and Nodejs
  • Contributed to both frontend and backend development across multiple projects
  • Led customer meetings and handled architectural design of client applications
Software Developer Intern

Alse Softwareİzmir

January 2020 — March 2021
  • Assisted in developing web applications using JavaScript, TypeScript, and Node.js to help companies transition to digital platforms
  • Participated in multiple client digitalization initiatives, learning to translate business requirements into technical solutions
  • Collaborated with senior developers on implementing web solutions, gaining practical experience in modern development practices
  • Contributed to both frontend and backend development, laying the groundwork for my future full-stack role at the company

Case Studies

Latest Projects

Product + DX
Photo2Calories
TypeScript • Next.js • NestJS • PostgreSQL

AI-powered calorie estimation from food images. The project combines artificial intelligence with comprehensive food databases to provide accurate nutritional information.

  • AI implementation for photo analysis
  • AI agent creation for search in food databases
  • Complete payment system integration
  • Email verify and authentication
r4bbit
TypeScript • RabbitMQ

An industry-changing open-source library revolutionizing RabbitMQ usage in TypeScript. Developed over 7 months, this project adds powerful functionality while maintaining simplicity.

DOMEX
Rust • WebAssembly

A web application built entirely with WebAssembly and Rust, demonstrating modern web technology capabilities.

Academic Profile

Education

Applied Computer Science

Politechnika Wrocławska — Wrocław University of Science and Technology

2019 — 2023GPA 4.5 / 5

Achievements

  • Graduated with distinction (GPA 4.5/5)
  • Perfect 5/5 thesis on AI-driven developer tooling

Key disciplines

Distributed systemsAIAlgorithmsFunctional programmingEmbeddedRelational DBs

Notable projects

  • Led a 3-person team delivering production web platforms
  • Pitched and shipped a React Native prototype for faculty

Writing

Latest Articles

Browse the blog
Your npm audit Report is Crying Wolf (Mostly)

Filtering npm audit noise while staying alert to real supply-chain attacks.

How to Create a TypeScript NPM Library for Dummies?
JavaScript in Plain English

I wrote this article after successfully building deployment pipelines for r4bbitjs, to share the knowledge I drilled with the world

TypeScript Debugging Inside VSCode
JavaScript in Plain English

A comprehensive guide to debugging TypeScript applications in VSCode and Chrome DevTools

Kubernetes See Logs Of The Crashed Pod using Kubectl

A practical guide to debugging Kubernetes pods using kubectl commands

Collaborations

Get in touch

Let's build something bold

I'm currently partnering with product teams and founders on high-impact web experiences, developer tooling, and bespoke UI libraries.

Email
barisbll.dev@gmail.com
Timezone
CET (UTC+1)
Languages
EN / TR / PL
Project brief