Senior Mobile Software Engineer – FinTech (Fully Remote)

Interact Consulting Ltd; London; Hybrid; GBP 75,000 - 80,000; Full time

Job summary

A leading fintech company seeks a Senior Mobile Software Engineer for a fully remote position with one day per month in the London office. You will develop cutting-edge mobile solutions, mentor junior engineers, and work in a collaborative environment. Attractive salary up to £80,000 plus benefits including bonus and generous leave.

Benefits

Pension (10% employer contribution)

30 days holiday per annum

Supportive, collaborative work environment

Opportunity to work on innovative fintech products

Qualifications

• Proven experience building and maintaining mobile applications on Android and iOS.
• Expertise in Kotlin (Android) and Swift (iOS) development.
• Experience with test-driven development (TDD) and automated testing frameworks.

Responsibilities

• Develop and maintain high-quality mobile applications for Android and iOS.
• Own the full application development lifecycle.
• Collaborate with teams to define, design, and ship new features.

Skills

Kotlin

Swift

Problem-solving

Attention to detail

Mobile security best practices

Tools

Git

JIRA

Job description

Senior Mobile Software Engineer – FinTech (Fully Remote) .

Location: London, Fully Remote
Category: Permanent Jobs
Salary: 75-80k + Pension, Healthcare, Bonus
Ref: JT/JC/5923

Contact Name: James Clarke
Telephone: [phone]

Senior Mobile Software Engineer - FinTech (Fully Remote, 1 Day/Month in London)

Location:Fully Remote (UK-based), with 1 day per month in our London office (travel at own expense) Salary:Up to £80,000 per annum Bonus:12.5% of salary per year Pension:10% employer contribution Holiday:30 days per annum

About the Role

We are a dynamic fintech company looking for an experienced Senior Mobile Software Engineer to join our growing team. You'll have the opportunity to shape the future of our mobile products, working on innovative solutions that empower our customers and drive business success.

This is a fully remote position, with just one day per month required in our London office (travel to be arranged and paid by the individual). You'll collaborate with talented engineers, product managers, and designers to deliver world-class mobile experiences.

Key Responsibilities

• Develop and maintain high-quality mobile applications for both Android and iOS platforms.
• Own the full application development lifecycle, from architecture to deployment and beyond.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure code quality through rigorous code reviews, test-driven development (TDD), and robust CI/CD practices.
• Mentor junior engineers and contribute to a culture of continuous learning and improvement.
• Stay up-to-date with emerging technologies and industry best practices.
• Proven experience building and maintaining mobile applications on both Android and iOS.
• Expertise in Kotlin (Android) and Swift (iOS) development.
• Strong understanding of native mobile application architecture and design patterns.
• Experience with test-driven development (TDD) and automated testing frameworks.
• Familiarity with agile methodologies and collaborative development tools (e.g., Git, JIRA).
• Ability to work independently and as part of a distributed team.
• Excellent problem-solving skills and attention to detail.
• Experience with cross-platform frameworks (e.g., React Native, Flutter) is a plus.
• Knowledge of modern mobile security best practices.
• Experience mentoring or leading engineering teams.
• Competitive salary up to £80,000 per annum
• 12.5% annual bonus
• 30 days holiday per year
• Supportive, collaborative work environment
• Opportunity to work on innovative fintech products

How to Apply

If you're passionate about mobile development and want to make a real impact in fintech, we'd love to hear from you! Please send your CV and a brief cover letter outlining your relevant experience.