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Fullstack Engineer - HR Integrations

Staffbase

Staffbase

People & HR
Prague, Czechia
Posted on Jul 10, 2025

About Staffbase

We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication. Our award-winning communications channels - intranet, employee app and email - deliver experiences that drive engagement and inspire hearts and minds.

We’re headquartered in Chemnitz, Germany, with offices in many locations throughout the world, including New York, London, Berlin and Dresden. Our international team counts more than 750 employees from 45+ nationalities and we have a growing base of 2200+ customers that want to transform their employee experience. We are rapidly scaling, post-Series E ($115 million funding), have strong-growing revenue, and our customers love us.

You’ll be joining a brand new integrations team based in our Prague office, helping to lay the foundation for how we connect with external systems. This is a unique opportunity to shape the direction and culture of a new engineering team from the ground up.

In this role, you'll focus on building HR integrations using Merge.dev—a powerful unified API platform that enables connectivity with dozens of HRIS systems through a single API. You'll create reusable UI widgets and components that let customers manage and automate HR data connectivity with ease.

This is an ideal role for frontend-leaning fullstack developers excited by solving integration challenges through beautiful UX and scalable frontend architecture.

This is an initial 12-month fixed term contract with the view of becoming a long-term opportunity as we grow our Prague hub.

What you’ll be doing

  • Develop intuitive frontend experiences using React.js, TypeScript, and related tools
  • Collaborate with designers and backend engineers to build robust and user-friendly integrations
  • Extend and adapt backend services in Java/Kotlin where needed
  • Build seamless, consistent UI components to help unify the integration experience across systems
  • Partner with the product team to continuously refine user flows and technical scope
  • Contribute to an agile, collaborative team culture rooted in experimentation and curiosity

What you need to be successful

  • 3+ years of experience in frontend development with React, JavaScript/TypeScript
  • Basic familiarity with Java/Kotlin and willingness to work in backend areas
  • Experience building and consuming REST APIs as well as CI/CD pipelines, automated testing, and microservices
  • You are comfortable working in a fullstack environment that is weighted more towards the frontend (React, JavaScript & TypeScript), but also has responsibilities for the backend (Java/Kotlin)
  • Passion for UI/UX and eagerness to create polished frontend experiences
  • Proactive mindset and eagerness to grow into fullstack ownership
  • Familiarity with integration tools such as Merge.dev or Zapier is a bonus but not necessary
  • You have great enthusiasm for learning and adapting in a scale-up SaaS environment
  • You are a self-starter who can work independently and as part of a team.
  • Understanding and appreciation of diversity and inclusivity in the workplace.
  • Excellent English communication skills

What you'll get

  • Competitive Compensation - we offer attractive salary packages including LTIP (unit-based Long Term Incentive Plan)
  • Flexibility - we offer a hybrid work model, and support this with a monthly flex work allowance of Kč 3.000
  • Growth Budget - all employees get a yearly budget for external training of Kč 25.000 and one day off for growth per year (increase to two days in 2nd year)
  • Recharge - with 31 vacation days annually (incl. one floating holiday), plus pro rata fully paid Fridays off during August
  • Wellbeing - Monthly Wellbeing Allowance Kč 900 from fitness to mental health, hobbies to relaxation
  • Team Building - Regular team and office events including the yearly Staffbase Camp
  • Volunteers Day - you’ll get one day off per year for supporting a social project
  • Employee Referral Program - one of your friends is a fit to one of our full-time openings? Refer them and get a referral bonus paid