Senior Mobile Engineer (Flutter)
North London (Hybrid- 4 days onsite)
£100,000–£135,000 + Generous Equity + Strong Package
Series A | High-Growth Tech
We’re partnered with one of Europe’s fastest-scaling technology start-ups, fresh off a major Series A raise and building at extraordinary pace.
This is not a typical mobile feature delivery role. This is an opportunity to help redefine how goods move in the digital economy- working at the intersection of mobile engineering, machine learning, and real-world operational systems.
The Team
* Close to 100 people globally and will be looking to almost double the team in 2026
* More than half in Engineering, Product and Data
* Culture built around experimentation, high standards and rapid feedback loops
* You’ll work closely with senior engineering leadership who have previously scaled large distributed systems and ML-driven platforms at global technology companies.
Tech Environment
* Cross-platform Flutter applications
* Will consider anyone from a native iOS/Android background who is happy to work in Flutter
* Backend systems built in Python, Rust and TypeScript
* Cloud-native architecture on GCP (BigQuery, Cloud Run)
* Extensive use of ML modelling and LLM inference
* Robotics and IoT integrations across operational workflows
What You’ll Do
* Take ownership of mobile engineering end-to-end using Flutter
* Work across the broader stack, from mobile through to data infrastructure
* Solve complex real-world problems (for example, computer vision for proof-of-delivery validation)
* Spend time in the field to understand how your technology impacts couriers and customers
* Ship quickly, iterate frequently, and continuously improve performance and user experience
This is a high-autonomy, high-impact role suited to engineers who thrive in fast-moving, intellectually rigorous environments.
Who This Role Suits
You are likely to succeed here if you:
* Enjoy working in a fast paced environment (Startup/scaleup vibes)
* Define problems clearly and measure impact rigorously
* Enjoy tackling complex technical challenges
* Move quickly and embrace iteration
* Take ownership from start to finish
* Value high standards and candid feedback
* Want to build technology that operates in the real world, not just on a screen
Package
* £100k–£135k base salary (depending on experience)
* Very competitive equity package with annual top ups
* Bupa private medical
* Gym Membership
* 25 days of holiday
* Enhanced Parental Leave
* Fully paid for team socials
* Hybrid working (4 days onsite in North London)
* Opportunity to join at a critical scale-up inflection point
Hiring Process (Typically Completed Within 1-2 weeks
* 30-minute Talent Screening
* 1-hour tech interview
* 2-hour design interview
* 1-hour team & culture fit interview
If you are a Senior Mobile Engineer looking to build apps that reshape an industry, this is a rare opportunity.