Senior Fullstack Engineer - Custom Solutions

<div class="content-intro"><h3><strong>About Staffbase</strong></h3> <p>We inspire people to achieve great things together. Our mission is to help organizations unlock the power of inspirational communication with the first <strong>AI-native Employee Experience Platform</strong>. Our<strong> industry-leading and award-winning agentic AI communications channels</strong> - intranet, employee app and email solutions - create engaging experiences that connect and empower employees.</p> <p>Headquartered in Chemnitz, Germany and New York City, with offices in Berlin, London, Sydney, Tokyo, Prague, and Minneapolis–St. Paul, our diverse team of 550+ employees supports 1,500+ customers—reaching over 14 million employees—in transforming their employee experience.<br>We are proud to be a&nbsp;<strong data-stringify-type="bold">Unicorn</strong>&nbsp;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.</p></div><p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">We’re looking for an experienced Senior Fullstack Engineer to join a newly formed team at Staffbase that builds custom solutions — extending the functionality and capabilities of our award-winning employee communications platform to meet real customer needs. You’ll own solutions from beginning to end: shaping use cases together with stakeholders, building them across the stack, and validating them with the people who use them. You’ll also help bring structure to a growing team of mid-level engineers and mentor them along the way. We’re looking for empathetic, motivated team players who are driven by ownership and growth. Let’s talk!</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><strong>As part of our tech stack, we use: </strong>React.js, TypeScript, JavaScript, Node.js, Kotlin, Go, Java, MongoDB, REST APIs &amp; SDKs, Docker, Terraform, Selenium and Cypress, to name a few.</span></p> <h2><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><strong>Our environment</strong></span></h2> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Working with skilled and like-minded professionals in a team that values diversity and inclusivity</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">We aim to create a flexible and agile work environment that promotes the well-being and work-life balance of our employees</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">We believe that team events during working hours play a vital role in building an exceptionally effective team, and we encourage them</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">We are enthusiastic about technology and committed to using it to improve the world</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">We follow the “You build it, you run it” approach and take pride in it</span></li> </ul> <h2><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><strong>The team</strong></span></h2> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">You’ll join a newly formed team dedicated to building custom solutions that extend the Staffbase platform for our enterprise customers. We turn specific customer needs into reliable, scalable extensions — widgets, plugins, and integrations — that make our product work exactly the way each customer needs it to.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Because the team is new, there’s real room to shape how we work: to set engineering standards, bring structure to our processes, and grow together. That’s where you come in.</span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><strong>What you’ll be doing&nbsp;</strong></span></p> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Own the development of custom solutions end-to-end — from technical design through implementation, testing, and release</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Partner with stakeholders (customers, consultants, and internal teams) to define and detail use cases before development, then validate solutions and gather feedback afterward</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Build across the stack: customer-facing UI in React and TypeScript, backend services, and integrations with Staffbase and third-party APIs</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Mentor mid-level engineers and help bring structure, engineering standards, and good practices to a newly formed team</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Work in a cross-functional, agile setup and produce high-quality, well-tested code</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Give and receive valuable feedback in our code review process, and continuously learn and share knowledge with your peers</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Work iteratively — pushing code frequently, keeping a healthy CI/CD pipeline, and automating where it helps</span></li> </ul> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><strong>What you need to be successful&nbsp;</strong></span></p> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 14pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 14pt;">Solid professional experience (typically 5+ years) as a fullstack developer, including working within engineering teams and owning solutions from concept to delivery</span></li> <li style="font-family: arial, helvetica, sans-serif; fon