26 to 50 of 73 Mobile First Jobs in London

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯