#HSC

Curriculum vitae

Burak Haşıcı

Software Engineer · Full-stack

Location
Istanbul, Türkiye (UTC+3)

Full overlap with CET/CEST · Available via Employer of Record or B2B contract — no visa sponsorship required.

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Summary

Full-stack software engineer with 4.5+ years of production experience across proptech, fintech, and media, building and shipping products with React, Next.js, Node.js, NestJS, .NET, and React Native. Nearly three years in workplace experience technology, first building the Leesman platform and later returning to migrate it into HqO after the acquisition. Comfortable across the stack: TypeScript on the frontend, REST APIs and services on the backend, and AWS (Lambda, S3, SQS, RDS) in production. Designed and shipped a production B2B SaaS single-handedly across mobile, backend, and infrastructure. Daily user of AI tooling in real delivery work, including internal tools that cut multi-hour workflows to minutes. Experienced working with distributed teams across the UK, Germany, Poland, Slovakia, Australia, and the US.

Experience

HqO / Leesman (via ElephantApps)

Remote — Boston, US & London, UK

Software Engineer
Dec 25’ - Present
Frontend Developer
Dec 22’ - Jun 24’

Workplace experience and analytics platform for landlords and enterprise tenants. HqO acquired Leesman in 2024.

  • Returned to the product after HqO’s acquisition of Leesman to work on migrating the platform I had previously helped build — nearly three years in the same domain across both engagements.
  • Built full-stack features across HqO’s and Leesman’s platforms using React, Next.js, Node.js, and NestJS.
  • Delivered features in the events domain used by both tenants and landlords across more than 1,500 properties.
  • Built AI-powered internal tooling that automated report generation for the Leesman team, reducing a 4–7 hour manual workflow to under 5 minutes.
  • Cut load times on the main reporting dashboard by 50% through code splitting, memoisation, and query optimisation.
  • Worked asynchronously across four time zones with colleagues and customers in the UK, Poland, Slovakia, and the US, owning client requests end to end from clarification through delivery.

NonPublic

Remote — Sydney, AU

Frontend Developer
May - Nov 25’

Private markets and pre-IPO investment platform, ASIC-regulated (Australian Financial Services Licence). Six-month engagement to deliver the investor mobile application and company web presence.

  • Built and maintained customer-facing and back-office applications for a regulated investment platform, working with a distributed team across Australia and Germany.
  • Developed onboarding and KYC-adjacent flows in React, React Native, TypeScript, TanStack Query, and SASS.
  • Shipped an investor-facing mobile application with React Native.
  • Delivered the company marketing site with Next.js, TypeScript, SASS, and Sanity CMS, achieving a Lighthouse performance score of 100.

Fibabanka (via Veriport)

Istanbul, Türkiye

Frontend Developer
Jul 24’ - May 25’

Turkish commercial bank; the platform is used daily across all branches.

  • Migrated core banking screens (accounting, customer services, EFT) from a legacy Java/XML stack to React, Redux, and a customised Material UI theme, rolled out across all branches.
  • Reduced screen render times by roughly 50% compared to the legacy XML-based implementation.
  • Analysed and documented legacy Java/XML screen behaviour in Confluence to de-risk the migration.
  • Built and documented reusable components for the bank’s internal UI library using Storybook and JSDoc.

Digiturk (beIN Media Group)

Istanbul, Türkiye

Frontend Developer
Feb 22’ - Dec 22’

Pay-TV and sports broadcasting group.

  • Developed internal web applications for R&D projects using React, Redux, and Redux Saga.
  • Resolved production issues raised by call center teams through Jira.
  • Worked with Axios, Bootstrap, Styled Components, and Emotion across the UI layer.

Technical skills

AI & Agentic
Claude Code, Cursor, Codex, Antigravity
Languages
TypeScript, JavaScript, C#, Swift, Dart, Python, Java, C
Web & Mobile
React, Next.js, React Native, Expo, SwiftUI, Svelte
Backend & Cloud
Node.js, NestJS, Express, .NET, AWS, Docker
UI & Styling
TailwindCSS, Tailwind UI, Sass, Material UI, Ant Design, Bootstrap, Styled Components, Storybook, Framer Motion, Formik
State & Data
Redux, Redux Toolkit, Redux Thunk, Zustand, React Query, GraphQL, PostgreSQL, SQL Server, MongoDB
Testing
Vitest, Jest, React Testing Library, Cypress
Tooling
Git, GitHub, Bitbucket, VS Code, Xcode, Vercel, Figma, Sketch

Ways of working: Jira, Linear, Confluence, Miro, Slack, Microsoft Teams, Agile, Scrum

Education

  • Bahçeşehir University

    Marketing, Master’s Degree

    Feb 24’ - Jun 25’

  • Istanbul Kültür University

    Industrial Engineering, Bachelor’s Degree

    Sep 16’ - Mar 22’

Languages

Turkish
Native
English
C1 · working language for 4 years
German
A2