Senior Fullstack Engineer Mobile (m/f/d)

EGYM GmbH; Berlin; Vor Ort; EUR 65.000 - 85.000; Vollzeit

Zusammenfassung

A leading tech company in Berlin is seeking a Senior Fullstack Engineer (m/f/d) focused on mobile technologies. In this role, you will be involved in all parts of the product lifecycle, from feature development to platform improvement. Ideal candidates should have a strong background in frontend development, excellent skills in HTML, CSS, and TypeScript, and a passion for building mobile applications. Enjoy flexible working hours and a dynamic team environment that values innovation and collaboration.

Leistungen

Flexible working hours

30 days of vacation per year

Monthly travel subsidy

Qualifikationen

• At least 5 years of hands-on experience in frontend development.
• Proficient in HTML, CSS, and advanced TypeScript knowledge.
• Experience in building mobile progressive web apps is a plus.

Aufgaben

• Drive development of customer-facing features.
• Provide technical leadership to the team.
• Create web-based user interfaces and tools.

Kenntnisse

Frontend development

Web technologies (HTML, CSS, TypeScript)

API integration

Mobile PWA development

CI/CD processes

Database experience

Tools

NodeJS

Ionic Framework

SQLite

Jobbeschreibung

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 desig
• 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: Benefit from flexible working hours, home office possibilities and 30 days of vacation per year
• 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
• Mobility: Enjoy a monthly travel subsidy of 45€ for public transport

Contact Information

Upload your documents (CV, salary expectations and earliest possible start date) and specify the job ID #1587.

Contact: Lara Kaul

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