Junior Full Stack Software Engineer (d/f/m)

Berlin

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What is Leapsome?

Leapsome is the AI-powered people platform revolutionizing HR for modern teams. Leapsome drives HR excellence and empowers high-performing teams by automating, connecting, and simplifying every HR process across the employee lifecycle — from onboarding and performance management to engagement and development. Built with ease of use in mind, our platform ensures high adoption by employees, managers, and People teams alike.

Our purpose is to make work fulfilling for everyone, and our vision is to reshape the future of work by being the leading People platform for HR excellence and high-performing teams. We enable companies to create environments where people can achieve their goals, learn and grow together, and build genuine motivation & engagement.

Trusted by thousands of organizations globally, Leapsome secured $60 million in Series A funding led by Insight Partners in March 2022. This funding allowed us to further develop our intelligent platform, create exceptional employee experiences, and expand into the US market.

It’s an incredibly exciting time to join Leapsome and be part of reshaping the future of work!

Your Opportunity

Are you a passionate developer at the start of your career, looking for a role that combines learning, hands-on development, and meaningful contributions? At Leapsome, we believe that junior engineers are critical contributors, not just learners. This position provides a unique opportunity to contribute meaningfully from day one while building the skills and experience needed to grow into a versatile full-stack engineer.

In this role, you’ll dive into our engineering and quality processes, starting with a strong focus on testing and automation to build a solid foundation in how our platform works. You’ll support our quality initiatives by designing and implementing automated tests, assisting with manual release testing, and addressing bugs or customer-reported issues. Over time, you’ll expand your responsibilities to include feature development, resolving customer issues, and contributing to cross-functional projects.

This is not a "sink or swim" environment. You’ll receive mentorship, access to cross-functional collaboration, and opportunities to experiment and learn in a supportive setting and with very experienced peers. You’ll actively contribute to ensuring quality and reliability while learning the intricacies of a scalable, innovative platform. If you’re passionate about quality, curious about solving complex problems, and excited to grow your career in engineering, this role is for you.

What is your job?

You will:

  • Collaborate with the QA and engineering teams to design and implement automated tests, including E2E, unit, and integration tests, using tools like Playwright, Vitest and Mocha/Chai

  • Support manual testing during scheduled release cycles, ensuring features meet our high-quality standards

  • Investigate and resolve bugs and customer-reported issues, deepening your understanding of the platform’s architecture and workflows

  • Contribute to the automation and streamlining of quality processes, leveraging innovative approaches like AI-driven testing

  • Develop smaller features and improvements, gradually building your full-stack development skills with mentorship from experienced engineers

  • Write clean, maintainable, and testable code, adhering to our standards for quality and performance

  • Gain hands-on experience with processes and workflows in a product engineering scaleup, learning how cross-functional teams collaborate to deliver high-quality features efficiently

  • Participate in code reviews, learning best practices and contributing your insights to improve team workflows

What is the technology stack?

  • Frontend: Vue.js, TailwindCSS, and a modern design system for a consistent, intuitive user experience

  • Backend: Node.js (TypeScript) with Express, MongoDB and NATS, built for scalability and modularity

  • AI/LLMs: Integration of state-of-the-art AI technologies, like GPT from OpenAI and LangChain, to create smarter workflows and enhance functionality

  • Infrastructure: Docker and AWS, ensuring robust CI/CD pipelines and scalable infrastructure

  • Testing: Automated testing using Playwright, Vitest, Mocha/Chai, and other tools to maintain high-quality, reliable codebases

  • Analytics: Mixpanel, Sentry, Datadog and custom solutions for data-driven development and monitoring

  • Collaboration: GitHub, Notion, and async communication tools for transparent teamwork

You’ll be a good fit if you:

  • Are a recent graduate or have up to 2 years of experience in software development and are eager to kickstart your career in a collaborative environment

  • Are passionate about quality and excited to learn through a hands-on focus on testing and automation

  • Have some experience with programming languages like JavaScript/TypeScript and frameworks such as Node.js or React/Vue.js

  • Are curious and proactive, with a desire to understand complex systems and improve them

  • Value pragmatic excellence, balancing learning with contributing to meaningful work

  • Are excited to grow into a versatile full-stack engineer, starting with QA and gradually taking on more responsibilities in development

  • Enjoy working closely with teammates, seeking mentorship, and contributing to a supportive, collaborative team culture

Benefits at Leapsome

  • Impact: Become part of a fast-growing scale-up taking over the People Performance & Enablement space by making work fulfilling for more than two million people by 2025

  • Teammates: Join a diverse and international team of talented, smart, and kind people

  • Feedback and recognition: We value feedback exchange and celebrating successes — big and small

  • Hybrid model: Enjoy our hybrid model by working from home or in our offices in the heart of Berlin, Germany

  • Flexible work: Experience a work-life balance with flexible hours and the option of working elsewhere for up to 2 months per year

  • Learning and Development: Develop your skills with a yearly development budget of €2,000 and access to Good Habitz platform

  • Vacation: Take 30 vacation days every year plus public holidays (or upgrade to 40 vacation days at adjusted pay) & benefit from a month-long paid sabbatical after 5 years with Leapsome

  • Health & Wellness: Stay active and healthy with a free Urban Sports Club membership and Oliva subscription

  • Mental health: Access to 1:1 therapy sessions via our mental health partner, plus company workshops and learning pathways on topics like mindfulness and digital wellness

  • Corporate Benefits: Get exclusive discounts and deals from our partners.

  • Work-from-home stipend: Receive a one-time work-from-home stipend of €1,000

  • Monthly team activities: Have fun at monthly team activities like kayaking, laser tag, and game nights

  • Competitive pay and pre-IPO equity package



Leapsome’s values

We stay true to our values in everything we do at Leapsome. 

  • Seek impact — What brought us together is the desire to make work fulfilling for everyone. We’re like-minded in that we seek out and hold ourselves accountable for the impact we want to have in this world.

  • Listen & learn — We thoroughly and genuinely seek understanding. It helps us to constantly grow together and learn from each other as well as from our customers and partners.

  • Challenge the status quo — We regularly challenge ourselves. We don’t walk the beaten path just because everyone else does. Instead, we reflect and seek out better ways.

  • Take ownership & pursue excellence — We’re a group of smart and dedicated people, and we trust each other to truly own our work. We’re not afraid of high expectations as we strive for excellence.

  • Be honest & transparent — We’re honest and transparent with each other and ourselves. We want to get to the core of it, always. We trust each other to handle all shared information with care.

  • Be kind & humble — We are more than just colleagues — we genuinely care for each other. We give each team member the appreciation they deserve and the support they need. We have no interest in serving our own ego.

Excited to be part of Leapsome? 😊

Just send us your CV. You won't need to input any information already mentioned on your CV later on - promise! 🤙

A cover letter isn’t necessary, but we’d really appreciate a brief answer to these questions: Why Leapsome? Why you?

We look forward to getting to know you!

You can find more about what our colleagues think about working at Leapsome here 👉 ✨✨✨ Glassdoor ✨✨✨ Kununu✨✨✨

Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply for jobs unless they meet every qualification. If you’re excited about this role but your experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles.


Help us make work fulfilling for everyone!

At Leapsome, we want work to be the best it can be for everyone. We help companies create environments where people can achieve shared goals, build authentic relationships, learn, and grow together.

Put simply; our purpose is to make work fulfilling for everyone. And we know how to get there. But we can only do this by “walking our talk” and building a diverse and inclusive company where people — not just the business — thrive.


Apply now 👇 or keep scrolling to read more about what makes Leapsome a unique workplace!

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* Salary range is an estimate based on our AI, ML, Data Science Salary Index 💰

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Category: Engineering Jobs

Tags: Architecture AWS CI/CD Docker Engineering GitHub GPT JavaScript LangChain LLMs MongoDB Node.js OpenAI Pipelines Playwright React Testing TypeScript Vue

Perks/benefits: Career development Competitive pay Equity / stock options Fitness / gym Flex hours Flex vacation Health care Home office stipend Paid sabbatical Startup environment Team events Wellness

Region: Europe
Country: Germany

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