Senior Mobile Engineer
BoltSalary not specified
Full Time
Senior (5 to 8 years)
Not SpecifiedCompensation
Expert & Leadership (9+ years)Experience Level
Full TimeJob Type
UnknownVisa
FintechIndustries
Requirements
- 8–10+ years in mobile engineering, with at least 3+ years production-level React Native experience
- Solid background in iOS or Android native development - confident extending and maintaining native modules when required
- Proven experience building and maintaining mobile apps with significant active user bases
- Deep understanding of UX, performance bottlenecks, and platform-specific edge cases
- Strong technical judgment with the ability to balance trade-offs, influence direction, and adapt the stack as needed
- Excellent communication skills and experience collaborating with product, design, and backend peers
- Experience in consumer-first industries, ideally with high-scale apps (>100K MAUs)
Responsibilities
- Lead the design and implementation of our first mobile app, with React Native as the preferred approach, while keeping flexibility to evolve the tech stack as the product matures
- Drive key architecture decisions - navigation, state management, animations, and performance tuning - ensuring scalability and maintainability
- Act as the guardian of mobile UX and performance: define what should be built in React Native and where native development is the better fit
- Partner with backend and product teams to deliver seamless, end-to-end user journeys
- Establish mobile engineering foundations - coding standards, CI/CD pipelines, testing practices, and observability - from the ground up
- Mentor future mobile hires, scale the team, and actively contribute to the hiring process
Skills
Key technologies and capabilities for this role
Questions & Answers
Common questions about this position
What experience level is required for the Mobile Tech Lead role?
The role requires 8–10+ years in mobile engineering, with at least 3+ years of production-level React Native experience, plus a solid background in iOS or Android native development.
What is the preferred technology stack for this position?
React Native is the preferred approach for the mobile app, with flexibility to evolve the tech stack, and experience in iOS or Android native development for extending modules.
Is this a remote position or does it require office work?
This information is not specified in the job description.
What is the salary or compensation for this role?
This information is not specified in the job description.
What makes a strong candidate for this Mobile Tech Lead position?
A strong candidate has proven experience building high-scale mobile apps with >100K MAUs, strong technical judgment to balance trade-offs, excellent communication skills, and experience in consumer-first industries.
Checkout.com
High-performance payments platform for enterprises
About Checkout.com
Checkout.com provides a payments platform that helps businesses process payments, send payouts, and manage card programs. The platform is designed for large enterprises and growing businesses, allowing them to handle high volumes of transactions quickly and reliably. It integrates with clients' existing systems and offers a range of payment services, generating revenue through transaction fees and subscriptions. Unlike many competitors, Checkout.com focuses on providing a comprehensive, cloud-based solution that supports the financial operations of its clients across the globe. The goal of Checkout.com is to streamline payment processes and enhance the payment experience for both businesses and their customers.
London, United KingdomHeadquarters
2012Year Founded
$1,780.1MTotal Funding
SERIES_DCompany Stage
Fintech, Financial ServicesIndustries
1,001-5,000Employees
Benefits
Work-life balance - Flexible working and plenty of time off to unwind. We’ll even give you your birthday off.
Recognition - Peer recognition program and quarterly Hero Awards. We celebrate success together.
Career development - Tailored career development and learning pathways. We’ll help you unlock your potential.
Celebrating diversity - Internal community groups and cultural events. We celebrate our differences.
Staying healthy - A global wellness programme and private health insurance. We support your wellbeing.
Security for the future - Comprehensive plans for you and your loved ones. We’ll take care of you.
Giving back - Employee-led community outreach, payroll giving and a volunteering day. We care about your causes.
Risks
Checkout.com faces increased competition from emerging fintech startups.
Economic instability in the UK and EU may impact Checkout.com's revenue.
Regulatory scrutiny on data privacy could increase compliance costs.
Differentiation
Checkout.com offers payments in over 150 currencies with in-country acquiring.
The platform integrates fraud filters and reporting through a single API.
Checkout.com supports major international cards and local payment methods.
Upsides
Checkout.com is expanding in Japan, enhancing its global presence.
The partnership with Zing increases digital payment methods and product growth.
Checkout.com launched Octopus for online payments, a first for global PSPs.
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