Senior Fullstack Engineer

JobsCloseBy Editorial Insights

Staffbase seeks a Senior Fullstack Engineer to join the Berlin onsite team building an AI-native Employee Experience Platform; you’ll own web clients, REST services, and contribute to replacing a legacy editor with a high-performance WYSIWYG tool. The role sits in a fast, cross-functional Scrum environment that values ownership, feedback, and continuous delivery, with competitive pay, LTIP, hybrid options, generous vacation, and social impact days. To stand out, highlight hands-on React.js and TypeScript plus Java or Kotlin, plus any MongoDB, Docker, Kubernetes, GitHub Actions, Prometheus and Grafana experience; demonstrate problem solving, collaboration, quality code, and English communication; show you thrive in inclusive, high-velocity settings.

About Staffbase

We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first AI-native Employee Experience Platform. Our industry-leading and award-winning agentic AI communications channels - intranet, employee app and email solutions - create engaging experiences that connect and empower employees.

Headquartered in Chemnitz, Germany and New York City, with offices in Berlin, London, Sydney, Tokyo, Prague, and Minneapolis–St. Paul, our diverse team of 750+ employees supports 2,000+ customers—reaching over 16.4 million employees—in transforming their employee experience.
We are proud to be a Unicorn company—privately valued at over $1 billion—demonstrating strong growth, innovation, and lasting impact in our industry. Together, we’re shaping the future of workplace communication.

We're on the lookout for a talented Senior Fullstack Engineer to join our Staffbase team and help us build an awesome AI-native Employee Experience Platform. We are looking for empathetic and motivated team players who are motivated by growth and ownership. Let’s talk! 

As part of our tech stack, we are using: React.js, Typescript, Kotlin, Go, Java, MongoDB, Terraform, Docker, Selenium and Cypress, to name a few.

Our environment

• Working with skilled and similar-minded professionals in a team that values diversity and inclusivity
• We aim  to create a flexible and agile work environment that promotes the well-being and work-life balance of our employees
• We believe that team events during working hours play a vital role in building an exceptionally effective team, and we encourage them
• We are enthusiastic about technology and committed to using it to improve the world

We follow the "You build it, you run it" approach and take pride in it.

The Team
Join our a highly efficient, cross-functional team dedicated to redefining the content creation experience at the heart of our platform. We are on a mission to replace our legacy content editor with a modern, high-performance WYSIWYG editor that empowers communicators to build beautiful content effortlessly. We pride ourselves on a culture of proactive ownership, mutual support and high velocity. As the core team driving our editor rewrite, you’ll collaborate closely with multiple internal teams to bring a unified vision to life. If you thrive in a supportive, fast-paced environment where your initiative is valued and "collaboration" is a daily practice rather than a buzzword, you’ll feel right at home.

What you’ll be doing

• Responsible for improving and developing both our web-based clients, including native apps, and our RESTful web services
• Work in a cross-functional scrum team and produce high-quality and tested code
• Give and receive valuable feedback in our code review process and continuously learn and share knowledge with your peers
• Being open to feedback and taking ownership of your work are essential
• Take ownership for the topics you care about, ranging from the features you produce over the quality of our work to the environment we work in
• You work iteratively, frequently pushing code, ensuring a good CI/CD pipeline, and automating where possible

What you need to be successful

• Strong problem-solving skills and ability to work collaboratively in a fast-paced, dynamic environment
• Passion about the things you build and want to make a difference
• Experience in React.js, TypeScript and Java/Kotlin
• Ideally, you have worked with MongoDB, Docker, GitHub Actions, Kubernetes, Prometheus and Grafana before and have a good understanding of REST and Microservices
• Preferably, you have worked in an agile environment before
• You value quality as well as clean code and learning new things
• Good English communication skills
• You are a self-starter who can work independently and as part of a team
• Understanding and appreciative diversity and inclusivity in the workplace

What you'll get

• Competitive Compensation - we offer attractive salary packages including LTIP (unit-based Long Term Incentive Plan)
• Flexibility - we offer flexible working time models and the option of hybrid work, and support this with a yearly flex work allowance of €1560
• Recharge - with 31 vacation days annually (incl. one floating holiday), plus pro rata fully paid Fridays off during August
• Support - we’re offering a company pension scheme
• Volunteers Day - you’ll get one day off per year for supporting a social project