ARCHIVED
This job listing has been archived and is no longer accepting applications.
MisuJob - AI Job Search Platform MisuJob

Senior Fullstack Engineer Mobile (m/f/d)

Egym

Germany, Berlin permanent

Posted: February 3, 2026

Interested in this position?

Create a free account to apply with AI-powered matching

Quick Summary

As a Senior Fullstack Engineer with mobile focus, you will be involved in all parts of the product life cycle, driving the development of customer-facing features and improving backend systems.

Job Description

Your daily workout:
As a Senior Fullstack Engineer (m/f/d) with mobile focus for our online services you are involved in all parts of the product life cycle: enjoy working on end-to-end product development, bringing in your mobile frontend experience and helping to improve our backend systems. Are you up for that new challenge? Then we would like to welcome you to our team in Berlin!

• Feature Development: You drive the development of customer-facing features, from idea over user experience tests to implementation

• Technical Leadership: You provide technical leadership and direction to the team, helping define the team’s roadmap, architecture, processes, and best practices

• Platform Improvement: You participate in the Community of Practice to improve platform wellness within the organization, including bringing ideas for improvement and taking ownership of the next step

• Frontend Development: You create web-based user interfaces and tools and help us build our mobile frontend tech stack

• Code Quality: You write well-designed, testable, efficient code by using the best software development practices

• Collaboration & Communication: You can unblock yourself, support and effectively communicate cross-functionally in order to achieve results

• Technical Expertise: You seamlessly convert data structures, design scalable solutions that work across multiple teams and proactively identify bug-prone areas in the code

• Design & UX Focus: You are passionate about user experience, interaction design and responsive design

• Adapt to fast-paced Changes: You are interested in some of the latest trends of software engineering: build systems, test automation and continuous delivery


Your fitness level:
• Frontend Expertise: You have at least 5 years of hands-on experience and proficiency in frontend development and running web services

• Web Technology Proficiency: You are a native web technologist with excellent HTML and CSS skills—complex UIs are no challenge for you—and you possess advanced TypeScript knowledge

• Mobile PWA Enthusiast: You are passionate about building mobile progressive web apps. Experience in Ionic Framework, Ionic Portals, Capacitor, and debugging native apps is a big plus

• API integration and strategic state management expertise: You are experienced in integrating APIs, organising data into state and efficiently managing it using TanStack Query, Recoil, Jotai and any other state manager, with an understanding of the nuances of when they are needed or not

• Design System Knowledge: You have experience working with design systems like MUI or custom-built solutions as well as unit, integration, and end-to-end testing

• Backend Understanding: You are familiar with the Node environment and have some backend development experience—NodeJS and RESTful are a must, while Java or Golang is a plus

• CI/CD Proficiency: You have experience building pipelines and a strong understanding of end-to-end continuous delivery

• Database Experience: You have some experience working with databases, including running scripts, debugging by reviewing database structures, and hands-on experience with SQLite is a plus


Your training goal for your first 6 months:
• Ownership & Delivery: You take full ownership of your work, understand its architecture, and deliver on product requirements while continuously improving testability and functionality

• System Knowledge: You are familiar with the EGYM ecosystem and understand the roles of different teams within the software engineering department

• Team Integration: You seamlessly blend into the team and company culture

• Codebase Proficiency: You are proficient in working with and effectively contributing to our codebase


The equipment we provide:
• Learning time: Use 10% of your time on learning topics of your choice (conferences, hackathons, internal and external events, videos, books or innovation projects)
• Continuous Development: Develop your skills with varied, challenging tasks and regular feedback to benefit from a steep learning curve
• Tech Stack: Work with our modern tech-stack such as: Go, Kubernetes, Prometheus, Grafana, Terraform, gRPC or PubSub. Curious? Then see all the technologies we use here: https://tech-radar.co.ts.egym.com
• Dynamic & International: Be part of a motivated, ambitious and international team that uses English as a working language - get some team insights
• Work-Life-Balance: Enjoy a hybrid workplace model, lots of flexibility and 30 days of vacation
• Fit & healthy: Train for free with EGYM Wellpass in several thousand sports and health facilities across Germany and/or use our in-house gym with EGYM products
• Flex Budget: Use €60 per month flexibly for public transportation and a meal subsidy
• Mentoring Program: Exchange knowledge and grow together across teams and locations through our self-organized mentoring platform
• Discounts: Get a variety of great discounted offers, from fashion to leisure, through our employee benefits portal
• Bike Leasing: Stay active and use our leasing bike offer for your way to work or in your spare time
• Subsidized Pension: Profit from our employer-subsidized pension


Contact Information:
Upload your documents (CV, salary expectations and earliest possible start date) and specify the job ID #1883. 

Contact: Sven Bunkus

For further information: https://career.egym.com 

#LI-DNI

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply