Mobile First Jobs in London

26 to 50 of 73 Mobile First Jobs in London

Java Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Noir
Are you a highly skilled Java Developer with a passion for building scalable, high-performance financial systems? Do you enjoy working with cutting-edge technologies across backend, cloud, and mobile ecosystems? If so, this is a fantastic opportunity to join a growing FinTech organisation at the heart of digital transformation in financial services. Our client, an international financial technology … developing, and deploying next-generation financial applications. You will work on complex, high-availability systems built using Spring Boot , deployed on AWS EKS/Kubernetes , and integrated with modern mobile and analytics platforms. As part of a collaborative, Agile development team, you will be responsible for building robust microservices, managing data pipelines across PostgreSQL and Amazon Redshift , and delivering … performant, secure RESTful APIs used across web and mobile platforms. You’ll work closely with iOS and Android engineers to ensure seamless end-to-end integration, supporting mobile-first financial products that reach thousands of users daily. To succeed, you’ll need strong Java and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands More ❯
Posted:

Founding React Native Engineer (Full-Stack)

London Area, United Kingdom
Affinity Labs
your work distributed to thousands of users at launch, and compound impact across multiple products, not just one. Role Description You’ll lead end-to-end product development for mobile-first apps: scoping, building, testing, shipping, and iterating across tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive product development … paths. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails). Essential Requirements 3–6+ years building production mobile apps (React Native), with shipped apps. Strong React Native proficiency (Expo experience strongly preferred). Full-stack capability: backend in Python (FastAPI) and databases; API design; basic cloud infra … decisions Evidence of shipping quickly in small teams (portfolio/GitHub/TestFlight links). Desired Working deeply with Expo (EAS builds, OTA updates). CI/CD for mobile, App Store/TestFlight flows. Analytics, feature flagging, experimentation frameworks. Planning & execution in Linear (or similar). Tools & Stack Frontend (mobile): React Native (Expo). Frontend (web, when More ❯
Posted:

Founding React Native Engineer (Full-Stack)

City of London, London, United Kingdom
Affinity Labs
your work distributed to thousands of users at launch, and compound impact across multiple products, not just one. Role Description You’ll lead end-to-end product development for mobile-first apps: scoping, building, testing, shipping, and iterating across tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive product development … paths. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails). Essential Requirements 3–6+ years building production mobile apps (React Native), with shipped apps. Strong React Native proficiency (Expo experience strongly preferred). Full-stack capability: backend in Python (FastAPI) and databases; API design; basic cloud infra … decisions Evidence of shipping quickly in small teams (portfolio/GitHub/TestFlight links). Desired Working deeply with Expo (EAS builds, OTA updates). CI/CD for mobile, App Store/TestFlight flows. Analytics, feature flagging, experimentation frameworks. Planning & execution in Linear (or similar). Tools & Stack Frontend (mobile): React Native (Expo). Frontend (web, when More ❯
Posted:

Founding React Native Engineer (Full-Stack)

london, south east england, united kingdom
Affinity Labs
your work distributed to thousands of users at launch, and compound impact across multiple products, not just one. Role Description You’ll lead end-to-end product development for mobile-first apps: scoping, building, testing, shipping, and iterating across tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive product development … paths. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails). Essential Requirements 3–6+ years building production mobile apps (React Native), with shipped apps. Strong React Native proficiency (Expo experience strongly preferred). Full-stack capability: backend in Python (FastAPI) and databases; API design; basic cloud infra … decisions Evidence of shipping quickly in small teams (portfolio/GitHub/TestFlight links). Desired Working deeply with Expo (EAS builds, OTA updates). CI/CD for mobile, App Store/TestFlight flows. Analytics, feature flagging, experimentation frameworks. Planning & execution in Linear (or similar). Tools & Stack Frontend (mobile): React Native (Expo). Frontend (web, when More ❯
Posted:

Founding React Native Engineer (Full-Stack)

london (city of london), south east england, united kingdom
Affinity Labs
your work distributed to thousands of users at launch, and compound impact across multiple products, not just one. Role Description You’ll lead end-to-end product development for mobile-first apps: scoping, building, testing, shipping, and iterating across tight cycles. This is an early-stage, hands-on role with significant autonomy and responsibility to drive product development … paths. Build and integrate AI features (LLM/agent workflows, RAG/vector DB integration, eval hooks, cost/safety guardrails). Essential Requirements 3–6+ years building production mobile apps (React Native), with shipped apps. Strong React Native proficiency (Expo experience strongly preferred). Full-stack capability: backend in Python (FastAPI) and databases; API design; basic cloud infra … decisions Evidence of shipping quickly in small teams (portfolio/GitHub/TestFlight links). Desired Working deeply with Expo (EAS builds, OTA updates). CI/CD for mobile, App Store/TestFlight flows. Analytics, feature flagging, experimentation frameworks. Planning & execution in Linear (or similar). Tools & Stack Frontend (mobile): React Native (Expo). Frontend (web, when More ❯
Posted:

Senior Software Engineer - Tech Finance

London, United Kingdom
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. As a Senior Engineer More ❯
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Founding Full Stack Engineer

City of London, London, United Kingdom
Burns Sheehan
design and build the alpha version of their AI-powered platform from the ground up. Design, prototype and ship fast, customer-validated features across frontend and backend. Craft seamless, mobile-first experiences that feel intuitive, fast and personal. Experiment with GenAI tooling to supercharge your workflow and product capabilities. Collaborate closely with the cofounders in a small, high More ❯
Posted:

Founding Full Stack Engineer

London Area, United Kingdom
Burns Sheehan
design and build the alpha version of their AI-powered platform from the ground up. Design, prototype and ship fast, customer-validated features across frontend and backend. Craft seamless, mobile-first experiences that feel intuitive, fast and personal. Experiment with GenAI tooling to supercharge your workflow and product capabilities. Collaborate closely with the cofounders in a small, high More ❯
Posted:

Founding Full Stack Engineer

london, south east england, united kingdom
Burns Sheehan
design and build the alpha version of their AI-powered platform from the ground up. Design, prototype and ship fast, customer-validated features across frontend and backend. Craft seamless, mobile-first experiences that feel intuitive, fast and personal. Experiment with GenAI tooling to supercharge your workflow and product capabilities. Collaborate closely with the cofounders in a small, high More ❯
Posted:

Founding Full Stack Engineer

london (city of london), south east england, united kingdom
Burns Sheehan
design and build the alpha version of their AI-powered platform from the ground up. Design, prototype and ship fast, customer-validated features across frontend and backend. Craft seamless, mobile-first experiences that feel intuitive, fast and personal. Experiment with GenAI tooling to supercharge your workflow and product capabilities. Collaborate closely with the cofounders in a small, high More ❯
Posted:

Senior Software Engineer - A* funded and high growth Fintech,

City of London, London, United Kingdom
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Senior Software Engineer - A* funded and high growth Fintech,

london, south east england, united kingdom
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Senior Software Engineer - A* funded and high growth Fintech,

london (city of london), south east england, united kingdom
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Senior Software Engineer - A funded and high growth Fintech,

London, United Kingdom
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid

City of London, London, United Kingdom
Hybrid / WFH Options
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid

London Area, United Kingdom
Hybrid / WFH Options
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid

london, south east england, united kingdom
Hybrid / WFH Options
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Principal Software Engineer | High-growth, Purpose-Led and A* funded Fintech | Hybrid

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Austin Werner
at scale. The company operates at the intersection of technology and social impact, offering innovative and groundbreaking tools that enable financial stability across the world — all via a modern, mobile-first platform. Backed by leading venture capital and impact investors, the organisation is entering a new phase of growth, with engineering at the core. The Opportunity As a More ❯
Posted:

Cloud Platform Lead

London Area, United Kingdom
Mentmore
in a highly modernising legal technology environment but still remaining hands on with Cloud Azure Engineering, with a clear remit to support AI enablement, centralised integration, automation, and a mobile-first strategy across a global footprint. Key Responsibilities Platform Ownership s Strategy Act as the primary owner for the Azure cloud environment, including governance, cost management, architecture, and More ❯
Posted:

Cloud Platform Lead

City of London, London, United Kingdom
Mentmore
in a highly modernising legal technology environment but still remaining hands on with Cloud Azure Engineering, with a clear remit to support AI enablement, centralised integration, automation, and a mobile-first strategy across a global footprint. Key Responsibilities Platform Ownership s Strategy Act as the primary owner for the Azure cloud environment, including governance, cost management, architecture, and More ❯
Posted:

Cloud Platform Lead

london, south east england, united kingdom
Mentmore
in a highly modernising legal technology environment but still remaining hands on with Cloud Azure Engineering, with a clear remit to support AI enablement, centralised integration, automation, and a mobile-first strategy across a global footprint. Key Responsibilities Platform Ownership s Strategy Act as the primary owner for the Azure cloud environment, including governance, cost management, architecture, and More ❯
Posted:

Cloud Platform Lead

london (city of london), south east england, united kingdom
Mentmore
in a highly modernising legal technology environment but still remaining hands on with Cloud Azure Engineering, with a clear remit to support AI enablement, centralised integration, automation, and a mobile-first strategy across a global footprint. Key Responsibilities Platform Ownership s Strategy Act as the primary owner for the Azure cloud environment, including governance, cost management, architecture, and More ❯
Posted:

Cloud Platform Manager

London, UK
Mentmore
and business strategies. This is a pivotal leadership role in a highly modernising legal technology environment, with a clear remit to support AI enablement, centralised integration, automation, and a mobile-first strategy across a global footprint. Key Responsibilities Platform Ownership s Strategy Act as the primary owner for the Azure cloud environment, including governance, cost management, architecture, and More ❯
Employment Type: Full-time
Posted:

Remote Full Stack Engineer

London, UK
Hybrid / WFH Options
Stealth
closely with the founding leadership team, gain exposure across the entire business, and play a meaningful role in shaping product, architecture, and engineering culture. • Start date: ASAP • Location: Remote-first within the UK with occasional team sessions in London • Candidates must have the right to work in the UK • Compensation: Based on experience • Equity: Included through an employee share … SaaS or product-led environment • Strong knowledge of AWS services for production workloads • Professional experience building in Python (Django) with PostgreSQL • Confident working with React and Tailwind • Experience building mobile-first or responsive user experiences • Comfortable defining and promoting good engineering practices • Collaborative, delivery focused, and motivated to build high quality products • Helpful experience: media or asset management More ❯
Posted:

Remote Full Stack Engineer

East London, UK
Hybrid / WFH Options
Stealth
closely with the founding leadership team, gain exposure across the entire business, and play a meaningful role in shaping product, architecture, and engineering culture. Start date: ASAP Location: Remote-first within the UK with occasional team sessions in London Candidates must have the right to work in the UK Compensation: Based on experience Equity: Included through an employee share … SaaS or product-led environment Strong knowledge of AWS services for production workloads Professional experience building in Python (Django) with PostgreSQL Confident working with React and Tailwind Experience building mobile-first or responsive user experiences Comfortable defining and promoting good engineering practices Collaborative, delivery focused, and motivated to build high quality products Helpful experience: media or asset management More ❯
Employment Type: Part-time
Posted:
Mobile First
London
10th Percentile
£51,500
25th Percentile
£72,500
Median
£105,000
75th Percentile
£112,500
90th Percentile
£120,000