Senior Fullstack Engineer (Web)

TL;DR

Senior Fullstack Engineer (Web): Building and optimizing high-load backend services using Node.js/NestJS and frontend solutions with React/Next.js for a global wellness ecosystem, with an accent on API design, database performance, and scalable component architecture. Focus on microservices architecture, solving complex concurrency challenges, and ensuring system reliability under heavy traffic while partnering with product and growth teams.

Location: Flexible (office, remote, or hybrid), with an office in Kyiv, Ukraine.

Company

hirify.global is a global wellness ecosystem empowering millions to become better physically, mentally, and emotionally.

What you will do

• Participate in the full development cycle, from technical research and solution design to release and production support.
• Design and build backend solutions using NestJS / Node.js / PostgreSQL.
• Work on the frontend with React, Redux Toolkit, and Next.js for a strong end-to-end product view.
• Reduce technical debt and improve stability, scalability, and overall code quality of the platform.
• Collaborate closely with Product and Growth teams to develop new features.
• Join architecture discussions, code reviews, and help shape engineering standards.
• Collaborate with SRE/DevOps to improve CI/CD, monitoring, and release processes.

Requirements

• 5+ years of hands-on experience with web development.
• 4+ years of backend experience with Node.js / NestJS.
• 3+ years of hands-on experience with JavaScript / TypeScript.
• Strong knowledge of PostgreSQL and experience with an ORM (TypeORM or Prisma).
• Solid frontend skills with React, Redux Toolkit, and Next.js.
• Good understanding of CSR, SSR, and SSG and when to use each.
• Experience writing unit and integration tests.
• Comfortable discussing architecture, design patterns, and best practices.
• English: B2 required.

Nice to have

• Actively use AI tools like Cursor, GitHub Copilot, ChatGPT, or Claude Code.
• Experience with AWS, Kubernetes, and CI/CD pipelines.
• Hands-on work with third-party services such as Payment providers, Email marketing platforms, or customer support tools.
• Understanding of product and business metrics like LTV, ARPU, CPA, and conversion rates.

Culture & Benefits

• A mission that inspires millions to become healthier and more confident.
• Trust without micromanagement; manage your time and make decisions independently.
• Significant growth opportunities, with 90% of leads growing within the company.
• Flexible work format: choose between office, remote, or hybrid.
• Comprehensive wellness benefits: corporate gym, massage, lunches, online workouts, partner discounts, and free product access.
• Health insurance & corporate doctor.
• 20 paid vacation days, paid sick leave, and additional days off around public holidays.
• Open communication, transparency across teams, and support for initiatives.
• Support for sports events and provision of modern equipment.
• Legal & finance support with experienced specialists.