06/11/2026 updated

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Senior Frontend Engineer / Architect | React, TypeScript, Next.js | ex-Tesla, ex-Zalando

Krakow, Poland
Germany +3
info: Germany, Austria, Switzerland, Poland
Master of Science (MSc), Geographical Information Systems, Jagiellonian University
Krakow, Poland
Germany +3
info: Germany, Austria, Switzerland, Poland
Master of Science (MSc), Geographical Information Systems, Jagiellonian University

Profile attachments

2026-06-08_CV_Pawel_Kula.pdf

About me

15+ years building and shipping web applications - from seed-funded startups to Tesla, Zalando, MetLife, and Delivery Hero. I’ve opened offices, built teams, led hiring, and delivered products from zero to one. ENTJ personality type. I work best with smart, driven people. I love what I do.

AI AgentsVitestViteJavaScriptAgile MethodologyAmazon S3GitHubJavaScript LibrariesPython (Programming Language)PostgreSQLMongoDBMySQLSoftware ArchitectureAngular 2+Next.jsTypeScriptFront End (Software Engineering)Google CloudTailwindAWS LambdaAWS AppSyncBackendGitLabWebpackMaterial UIPlaywrightFull Stack DevelopmentGraphQLFront End Software DevelopmentReact ReduxProof of Concept
React & TypeScript Development
Extensive expertise in building production-grade web applications using React, TypeScript, and modern frontend frameworks such as Next.js, Redux, and Tailwind. Delivery of complex frontend architectures from greenfield to full ownership across multiple high-profile companies including Tesla, Zalando, and Delivery Hero.

Frontend Architecture & Technical Leadership
Strong background in designing scalable frontend architectures, setting engineering standards, and leading frontend teams. Experience opening offices, building teams from scratch, conducting technical interviews, and mentoring engineers at companies such as SoftwareOne and Grid Dynamics.

Full-Stack & Cloud Capabilities
Solid full-stack capabilities covering Node.js, NestJS, Express, PostgreSQL, MongoDB, and Prisma on the backend, combined with cloud and DevOps tooling including AWS, Google Cloud, and Docker. Delivered end-to-end products spanning frontend, backend, and infrastructure.

AI & LLM Integration
Hands-on experience integrating AI and LLM-powered features into products, including interview preparation tools, self-assessment, and job search strategy features using Open AI, Claude, Mistral AI and tools like Claude and Codex.

Testing & Quality Assurance
Proficiency in automated testing using Jest, Vitest, and Playwright, ensuring code quality and reliability in high-traffic production environments.

GraphQL & API Integration
Experience working with GraphQL in multiple projects, including platform rebuilds and React-based applications on AWS Amplify, using tools such as Amplify UI and GraphQL clients.

Web Performance Optimization
Track record of improving frontend performance and code quality, including reducing TypeScript errors by around 80% and implementing A/B tests that contributed to double-digit revenue growth at mobile.de.

UI/UX Integration & Component Libraries
Practical experience integrating UI/UX designs using MUI, Tailwind, styled-components, SASS, and CSS3, bridging the gap between design and technical implementation.

Build Tools & Developer Tooling
Familiarity with modern build and bundling tools including Webpack, Vite, Parcel, and version control workflows using Git and GitHub.

Languages

EnglishFluentPolishNative speaker

Project history

Software Architect

HintCraft

Internet & IT

< 10 team member

Building HintCraft, an AI-powered job landing platform for experienced professionals. Owns the product end to end: positioning, UX, frontend, backend, infrastructure, content and marketing. Built and launched the platform with Next.js 16, React 19, TypeScript, Mistral AI and PostgreSQL. Developed AI/LLM-powered features: interview preparation, self-assessment and job search strategy.

Lead Frontend Developer

Growney GmbH

Banking & Financial Services

10-50 team member

Led frontend development for two production applications built from scratch. Owned the frontend architecture working closely with product, backend and business team. Built a React-based application on AWS Amplify and took full technical ownership of the frontend. Created a Hugo + CloudCannon website for non-technical users. Tech Stack: TypeScript, React, GraphQL, Amplify UI, AWS, Vitest, Playwright, Chromatic.

Lead Software Engineer

Tesla

Automotive & Vehicle Manufacturing

>10.000 team member

Built frontend for Tesla's factory monitoring system used across gigafactories in the US, EU and China. Developed real-time dashboards for factory operations teams. Built tooling to detect issues faster. Set frontend standards adopted by the engineering team. Tech Stack: TypeScript, JavaScript, React, NestJS, Jotai, TanStack, Tailwind, nextJS, Postgres, TypeORM, Github, Jest, Playwright.

Senior Frontend Developer

mobile.de

Internet & IT

1000-5000 team member

Worked on mobile.de, Germany's largest used-car marketplace. Built and improved frontend features in a high-traffic production environment. Migrated a large frontend codebase to TypeScript, fixing 3,000+ TypeScript issues in one month. Reduced TypeScript errors by around 80%. Implemented Optimizely A/B tests that contributed to double-digit revenue growth.

Senior Frontend Developer

Delivery Hero SE

Internet & IT

>10.000 team member

Worked on mjam.net and pizza.de - leading food delivery platforms. Built and improved customer-facing frontend features in a high-traffic production environment. Implemented product experiments and UI changes delivering measurable conversion improvements. Conducted technical interviews for frontend engineering candidates. Tech Stack: React, Redux, TypeScript, SSR, styled-components, nodeJS.

Senior Frontend Developer

Axel Springer SE

Media & Publishing

>10.000 team member

bild.de platform rebuild using Vue.js + GraphQL for Germany's most-visited news site. Built custom video player UI from scratch, enhancing user engagement. Utilized TypeScript, Vue, GraphQL, and SASS.

Lead Frontend Developer

Smart Host GmbH

Internet & IT

50-250 team member

Solo dev: shipped 2 of 3 core features in first 3 months. Led frontend hiring: interviewed candidates, grew team to 4 engineers. Utilized TypeScript, React, Redux, D3.js, SASS, Parcel, Node.js, Docker, Google Cloud, and CircleCI.

Senior Frontend Developer

Zalando SE

Goods & Retail

>10.000 team member

Solo project: built Proof of Concept for Zalando's AMP (Accelerated Mobile Pages). Designed and shipped internal analytics tool from scratch. Used AMP, React, Redux, Node.js, Pug, SASS, Webpack, and AWS.

Software Architect

SoftwareOne

Internet & IT

>10.000 team member

Built and led a team of 12 senior UI developers: conducting interviews, organizing workshops, and mentoring team members. Collaborated with UX Lead and CTO to implement best frontend solutions. Architected scalable frontend foundations for a new enterprise platform (multi-million EUR investment). Utilized Angular, TypeScript, RxJS, D3, Sass, HTML5, nodeJS.

Principal UI Engineer

Raymond James

Banking & Financial Services

>10.000 team member

Served as Principal UI Developer for Raymond James, contributing onsite and remotely. Played a key role in opening a new office in Krakow and built a team of 6 UI engineers. Evaluated and recommended new technologies. Developed and maintained internal banking web applications. Employed AngularJS, JavaScript, LESS, and HTML5.

Senior Interactive Developer

Avanade

Internet & IT

1000-5000 team member

Delivered solutions for Fortune Global 500 brands: MetLife, Barclays, ADP, Royal Bank of Canada. Collaborated with designers and developers to bridge creative and technical requirements. Engaged in co-operative development with developers from the US, UK, Canada, and Poland. Hands-on programming in JavaScript (Vanilla, React, Redux, AngularJS), HTML5, CSS3 (SASS, LESS) and XAML.

Founder & Web Developer

Meritum
Founded web design studio serving SME clients from Poland and US. End-to-end delivery: requirements, design, development, deployment.

Certificates

Programming in HTML5 with JavaScript and CSS3

Microsoft

2014

Portfolio

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