Hybrid Senior Software Engineer – Berlin

at Ninox Software

• Job title: Senior Software Engineer – Berlin
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Android, Cloud, Docker, iOS, JavaScript, Jest, MacOS, Node.js, React, TypeScript
• Location requirements: Hybrid, Berlin, Germany

About the role

• Senior Software Engineer at Ninox Software building complex products and developing a React/TypeScript platform for business applications. Collaborating with teams to enhance software solutions with a focus on quality and performance.

Responsibilities

• Apply and combine your technical expertise, best practices, and the latest technologies to build and scale our React/TypeScript frontend and Node.js/TypeScript backend, powering our cross-platform app (Web, iOS, iPadOS, macOS, Android).
• Own features end-to-end—from designing responsive UIs and robust APIs to optimizing database performance and deployment pipelines.
• As a member of a fast-growing startup, collaborate with the Engineering team and closely partner with UX designers, content writers, product managers, and other stakeholders to deliver new product iterations.
• Elevate our automated testing strategy, monitoring, and alerting solutions to detect defects early and ship fixes quickly.

Requirements

• Degree in computer science or a comparable professional qualification.
• 7+ years of experience as a software engineer, with a strong focus on JavaScript/TypeScript on the backend and React on the frontend.
• Ability to transfer knowledge and learnings across different stacks and engineering disciplines.
• Expert in engineering practices — experienced implementing test-driven and behavior-driven development for frontend development and proficient with related frameworks and libraries (e.g., Jest).
• Strong believer in automation, with experience driving deployments, automated testing, and verification.
• Proven ability to ship code to production, understand Docker containers, and host applications in the cloud.
• Follow the "You build it, you run it" approach and take pride in operational ownership.
• Value clean code and clean architecture, and provide actionable, high-quality code reviews.
• Experience leading topics such as application architecture, design patterns, and refactoring.
• Understand performance concerns and how to build highly scalable, performant client-side applications that run on web and native platforms.
• Team player, eager to mentor junior colleagues and grow collectively as a team.

Benefits

• Diverse, multicultural, and highly motivated team.
• Excellent working conditions in our new office near Museum Island.
• Dog-friendly office in the heart of Berlin-Mitte.
• Fitness studio and wellbeing membership through Wellhub.
• Subsidized Deutschlandticket subscription.
• Subsidized company pension plan ("bAV").
• Option to work fully remote for up to 30 days per year.
• 30 days of vacation.