Software Engineer Mobile (SwiftUi) (fixed-term) (all genders)

ToolTime; Berlin; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A fast-growing SaaS startup in Berlin is seeking an experienced iOS developer to build and shape a new application. You will collaborate with cross-functional teams and focus on delivering exceptional user experiences. The ideal candidate has over 5 years of experience in native iOS development, strong skills in Swift, and a solid grasp of modern mobile engineering principles. This fixed-term position offers a hybrid work model and a culture committed to learning and growth.

Leistungen

Custom benefits package

30 days of vacation

Flexible work model

Corporate benefits portal

Qualifikationen

• 5+ years of professional experience in native iOS development.
• Strong focus on delivering excellent user experiences.
• Deep familiarity with the iOS platform and best practices.
• Experience integrating iOS apps with backend APIs.

Aufgaben

• Build and own a new iOS application on top of a shared Kotlin Multiplatform core.
• Design and implement native iOS UI and platform-specific features.
• Collaborate closely with product, design, and backend teams.

Kenntnisse

iOS development

excellent UX

mobile engineering principles

Swift

REST/GraphQL integration

Kotlin Multiplatform

Tools

SwiftUI

Jetpack Compose

Terraform

Jobbeschreibung

🚀About us

At ToolTime, we build cloud-based software for trades people — a platform that digitizes workflows, reduces admin work, and gives craft businesses valuable time back in their day. Since 2019, our mission has been to simplify every step of their operations, from creating offers to tracking time.

Behind this mission stands a diverse team of +80 talented peopleworking together to modernize Germany’s trades industry in a meaningful and sustainable way.

What sets us apart? The energy of a modern SaaS startup combined with a strong financial foundation. With €55 million in funding and investors deeply connected to the trades sector, we’re well positioned to scale our product and impact even further.

ToolTime’s DNA is shaped by innovation, ownership, and continuous improvement — and we’re always looking for motivated people who want to push the industry forward with us.

If you’re looking for a meaningful role in a fast-growing, well-funded SaaS company, we’d love to hear from you.

⚠️ This is a fixed-term position (6 months), ideal for someone looking to make a real impact in a fast-growing startup.

🧑💻 You know you're a ToolTimer, if you:

• Are self-driven, strive for excellence, and thrive among talented colleagues.

• Want to shape a product with real industry impact — not just work in a ticket factory.

• Value open collaboration where every voice matters.

• Work best with colleagues who support you and set you up for success.

🕵🏼♀️ What we are looking for:

• 5+ years of professional experience innative iOS development

• Strong focus on delivering excellent UX and high-performing mobile experiences

• Deep familiarity with the iOS platform and best practices

• Strong grasp of modern mobile engineering principles, including modular architecture, clean code, and testability

• Solid understanding of strongly typed programming languages in general and Swift in particular

• Experience integrating iOS apps with backend APIs (REST/GraphQL)

• Experience with publishing, maintaining, and monitoring iOS apps in production

• Interest in the latest technologies aroundKotlin Multiplatform (KMP);any practical experience working alongside KMP or familiarity with Kotlin is a big plus

🖇️ Your tasks:

• Build and own anew iOS applicationon top of a sharedKotlin Multiplatform (KMP)core

• Design and implementnative iOS UI and platform-specific features, ensuring a polished, best-in-class user experience

• Drive key technical decisions together with staff engineers and architects

• Collaborate closely with product, design, and backend teams to deliver features that tradespeople love

• Define coding standards, best practices, and internal frameworks for the mobile codebase

• Ensure software quality through testing, CI/CD automation, and performance monitoring

• Contribute to shaping ToolTime’s long-term mobile strategy and platform direction

🧪 How we build

Our tech stack includes Kotlin, KMP, Jetpack Compose, SwiftUI as well as GraphQL communicating with our SpringBoot and Quarkus backends on AWS. Our infrastructure is managed with Terraform.

As we expand our mobile capabilities, you will play a key role in shaping architecture and setting the foundations for long-term growth.

• TechMondays: Mondays are fully dedicated to engineering — whether you want to tackle technical debt, explore new technologies, or refine infrastructure.

• Tech Forums: Our transparent decision-making format where all voices are heard and the best ideas win.

• A culture that values technology-first thinking, autonomy, and engineering excellence over unnecessary processes.

🌱 Your growth & development

• You’ll get insights into one of the best-funded startups in the trades industry and support us in a highly exciting growth phase.

• We foster a culture of curiosity, positivity, and collaboration (our core values).

• We value honest feedback and continuous learning, giving everyone the space to experiment — and make mistakes.

• Plenty of room for ownership, creativity, and personal growth.

🎁Flexibility & perks

• Build your own benefits package from more than 35 partners such as Urban Sports Club, Blinkist, 7Mind, Ikea, and many more.

• Access to our Corporate Benefits Portal with exclusive discounts on travel, sports, fashion, and more.

• 30 days of vacation, regular team & company events, plus two Company Weeks per year.

• A hybrid work model: 2 days per week in our vibrant Friedrichshain office, close to Boxi & Warschauer Straße — and the flexibility to work 3 days a week remotely from home, including Workation options.

If this sounds exciting — let’s find out if we’re a good fit.

Also check out our blog.

🌟 We are committed to diversity & inclusion

At ToolTime, we believe that diverse teams build better products. We welcome people of all abilities, genders, cultural backgrounds, ages and sexual orientations.

If you’re passionate about building great technology but don’t tick every single box in the job description, we still encourage you to apply. What matters most is your mindset, potential, and drive to grow — not just your resume.