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7 mobile app developer jobs found

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mobile app developer Hybrid
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Duration not stated  (2) 6 Months or more  (2) Hourly/Freelance  (2) up to 6 Months  (1)
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Contract Spy
Jul 14, 2026
Hourly/Freelance
Mobile App Developer - Early-Stage Project at Cityloom, Edinburgh/Remote, £Freelance Rate
Contract Spy Hybrid (Edinburgh, UK)
Work setting:  Edinburgh-based (in-person or hybrid) Job type:  Freelance / Contract (with potential for a long-term role) Job description We're a small Edinburgh team building an interactive tourism app, a fun, story-driven way for travellers to explore cities, with a gamification element. We're looking for a talented mobile app developer to help bring the first version to life. This is a freelance contract to begin with, ideal for someone who enjoys early-stage projects and wants genuine ownership of what they build. For the right person, there's a clear path to a paid, long-term role as the project grows. You'd be working closely with the founder to build a cross-platform mobile app for iOS and Android, including features like maps, audio playback, in-app purchases, and user accounts. Whether you're an experienced developer or a recent graduate with a strong portfolio, we'd love to hear from you. What we're looking for Experience...
Contract Spy
Jul 07, 2026
Hourly/Freelance
Mobile App Developer - Early-Stage Project at Cityloom, Edinburgh/Remote, £Freelance Rate
Contract Spy Hybrid (Edinburgh, UK)
Work setting: Edinburgh-based (in-person or hybrid) Job type: Freelance / Contract (with potential for a long-term role) Job description We're a small Edinburgh team building an interactive tourism app, a fun, story-driven way for travellers to explore cities, with a gamification element. We're looking for a talented mobile app developer to help bring the first version to life. This is a freelance contract to begin with, ideal for someone who enjoys early-stage projects and wants genuine ownership of what they build. For the right person, there's a clear path to a paid, long-term role as the project grows. You'd be working closely with the founder to build a cross-platform mobile app for iOS and Android, including features like maps, audio playback, in-app purchases, and user accounts. Whether you're an experienced developer or a recent graduate with a strong portfolio, we'd love to hear from you. What we're looking for Experience building and...
Contract Spy
Jul 14, 2026
6 Months or more
Senior Product Designer (Mobile Scanning App) at Quantum Base, London/occasional Lancaster, 6 Months, £500-£600 per day
Contract Spy Hybrid (London, UK)
About Quantum Base Quantum Base has invented the Quantum-ID (Q-ID), a world leading technology solution that stops counterfeits. Our smartphone app (and SDK) verifies the authenticity of Q-IDs in just a few seconds using a very simple scan. We are the only smartphone authentication solution that is fundamentally 100% secure - and we achieve this using quantum physics. We are starting with security printing and brand protection, but the use cases are vast. Quantum Base has 41 patents and was founded by Professor Robert Young at Lancaster University. Our mission is to create a new global standard. About the Role We are looking for a contract Senior Product Designer to level up the user experience and user interface of our mobile app. Our app is deceptively simple, but the interface between digital and the physical isn’t straightforward. Our perfect candidate will know this, perhaps from working with scanning apps, augmented reality, KYC or identity...
Contract Spy
Jul 14, 2026
6 Months or more
Senior Product Designer (Mobile Scanning App) at Quantum Base, Lancaster/occasional London, 6 Months, £500-£600 per day
Contract Spy Hybrid (Lancaster, UK)
About Quantum Base Quantum Base has invented the Quantum-ID (Q-ID), a world leading technology solution that stops counterfeits. Our smartphone app (and SDK) verifies the authenticity of Q-IDs in just a few seconds using a very simple scan. We are the only smartphone authentication solution that is fundamentally 100% secure - and we achieve this using quantum physics. We are starting with security printing and brand protection, but the use cases are vast. Quantum Base has 41 patents and was founded by Professor Robert Young at Lancaster University. Our mission is to create a new global standard. About the Role We are looking for a contract Senior Product Designer to level up the user experience and user interface of our mobile app. Our app is deceptively simple, but the interface between digital and the physical isn’t straightforward. Our perfect candidate will know this, perhaps from working with scanning apps, augmented reality, KYC or identity...
Contract Spy
Jul 14, 2026
Duration not stated
Lead Android Engineer – Mobile Platform (Kotlin/Android SDK) at UST, Leeds/Remote, £Contract Rate
Contract Spy Hybrid (Leeds, UK)
Role description Lead Android Engineer – Mobile Platform (Kotlin / Android SDK) Leeds (Hybrid – 2–3 days onsite) Start: ASAP Employment Type: Fixed Term Employment/ Contract Inside IR35   About the Role We are looking for a Lead Android Engineer to drive technical design and delivery across our mobile platform. This is a hands-on technical leadership role, where you will take ownership of Android architecture, lead proof-of-concept (POC) initiatives, and build high-performance, secure, and scalable mobile applications. You will work closely with engineering teams, product stakeholders, and architects to define best practices and deliver robust mobile solutions that support business-critical use cases.   What You’ll Be Doing Lead Android technical design and architecture, ensuring scalable and maintainable solutions Drive POC development and innovation initiatives, validating new...
Contract Spy
Jul 07, 2026
Duration not stated
Lead Android Engineer – Mobile Platform at UST, Leeds/Remote, £Contract Rate
Contract Spy Hybrid (Leeds, UK)
Role description Lead Android Engineer – Mobile Platform (Kotlin / Android SDK) Leeds (Hybrid – 2–3 days onsite) Start: ASAP Employment Type: Fixed Term Employment/ Contract Inside IR35   About the Role We are looking for a Lead Android Engineer to drive technical design and delivery across our mobile platform. This is a hands-on technical leadership role, where you will take ownership of Android architecture, lead proof-of-concept (POC) initiatives, and build high-performance, secure, and scalable mobile applications. You will work closely with engineering teams, product stakeholders, and architects to define best practices and deliver robust mobile solutions that support business-critical use cases.   What You’ll Be Doing Lead Android technical design and architecture, ensuring scalable and maintainable solutions Drive POC development and innovation initiatives, validating new...
Contract Spy
Jun 18, 2026
up to 6 Months
Freelance Principal Product Designer at Red Badger, Hybrid/London, £Contract Rate Outside Ir35
Contract Spy Hybrid (London, UK)
Start date Monday, 22nd June Immediate Interviews 3-month initial contract duration (likely to extend) £ day rate OUTSIDE IR35 2 days / week in office working / 3 days per week remote working.   As a Principal Product Designer, you are a discipline expert. You set the benchmark for quality and best practice. You are passionate about what you do and motivate those around you. You are a strong consultant who can foster positive and trusted relationships with our clients. You're comfortable providing end-to-end product design leadership across a multi-team programme, as well as high-value consulting services to shape a client’s digital product strategy or to develop and launch early product initiatives to prove their value to senior stakeholders. You are a people person and, as a trusted advisor, you develop rapport with your team and clients. You are an integral part of the product team at Red Badger and a client-facing...
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