Trabajos app developer en SheffieldCrear alertas

Founded by ___, creator and co-founder of ___ (Series B, $425M valuation), Colossal is building at the intersection of generative app development and commerce infrastructure. Think: Lovable for commerce. We're backed by Tier 1 investors: ___, ___, ___, and are planning to raise our seed round later this year. Why Colossal? We're building the world's first AI-native commerce infrastructure platform, working with bleeding edge technologies and paradigms to redefine how businesses sell online. Join our early team and help shape the future of AI commerce. We’re still in stealth, so get in touch to learn more. 🥷 What we’re looking for • 5+ years experience building service-oriented software products end to end, ideally at early-stage startups, • A strong understanding of AI-based developer tools, methods and paradigms, • Generalist mindset with experience across the full stack, • Strong understanding of CI/CD, cloud infrastructure, observability, and developer tooling, • Comfortable owning products and features end to end, and taking responsibility for performance and optimisation, • Strong communicator, able to distribute knowledge across the team effectively through documentation, talks, demos and presentations What you’ll do • Build and own core backend services for our commerce infrastructure tools, including billing, workflows, and financial operations, • Build features that integrate AI into real-world product experiences, • Play a key role in software architecture design, including research, writing POCs for further refinement How we hire • Initial call with the founder (30 mins), • Complete a take home exercise, • Task review and pair programming with a team member (1 hour), • Meet with the product team for 2-way interview (30 mins), • Offer stage (including reference checks) To apply, please send your resume and a brief intro describing your interest to:

📱 Junior Android Developer | Building the Future of Mobile !! IMMEDIATE JOINERS !! Mobile Engineer (Junior Android Developer) Location : London Work mode : Onsite Experience: 2–5 years CITIZEN & DEPENDENTS Are you a mobile enthusiast who lives for clean code and smooth UI transitions? We are looking for a Junior Android Developer with 1+ years of professional experience to join our engineering team. At this stage in your career, you’ve moved past "Hello World" and are ready to tackle real-world scalability, complex APIs, and the occasional Gradle headache. If you’re eager to learn from seniors while making a tangible impact on a product used by thousands, let’s talk. 🛠️ What You’ll Do • Feature Development: Collaborate with our product and design teams to build and ship high-quality features for our Android application., • Code Quality: Write clean, maintainable code in Kotlin (and some legacy Java) while following modern architectural patterns (MVVM/MVI)., • UI/UX Implementation: Turn Figma designs into pixel-perfect layouts using Jetpack Compose or XML., • Bug Squashing: Identify, debug, and fix performance bottlenecks and edge-case crashes., • Continuous Learning: Participate in code reviews, contribute to technical documentation, and stay up-to-date with the latest Android Jetpack libraries. ✅ What You Bring • Experience: 1+ years of professional experience in Android development (internships count if they were high-impact!)., • Language Proficiency: Strong foundations in Kotlin and a solid understanding of Java., • Android SDK: Familiarity with Activities, Fragments, Services, and Lifecycle components., • Networking: Experience working with RESTful APIs using Retrofit and handling JSON data., • Tooling: Proficiency with Git and a working knowledge of Android Studio., • Mindset: A "can-do" attitude and the humility to ask for help when a bug just won't budge. 🌟 Bonus Points if You Have: • A published app on the Google Play Store (send us the link!)., • Experience with Dependency Injection (Hilt/Dagger)., • Familiarity with Coroutines and Flow for asynchronous programming., • A passion for Material Design 3. 🚀 Why Join Us? • Mentorship: Work directly with Senior Developers who actually enjoy teaching., • Tech Stack: We stay on the cutting edge—no ancient legacy codebases here., • Growth: A clear path to becoming a Mid-level Developer within [Timeframe]., • Perks: [Insert Perks: e.g., Remote-first culture, Learning stipend, Health benefits].

!! IMMEDIATE JOINERS !! Software Engineer Location : Bournemouth / Scotland / London Work mode : Onsite Experience: 2–5 years CITIZEN & DEPENDENTS Are you a mobile enthusiast who lives for clean code and smooth UI transitions? We are looking for a Software Engineer with 1+ years of professional experience to join our engineering team. At this stage in your career, you’ve moved past "Hello World" and are ready to tackle real-world scalability, complex APIs, and the occasional Gradle headache. If you’re eager to learn from seniors while making a tangible impact on a product used by thousands, let’s talk. 🛠️ What You’ll Do • Feature Development: Collaborate with our product and design teams to build and ship high-quality features for our Android application., • Code Quality: Write clean, maintainable code in Kotlin (and some legacy Java) while following modern architectural patterns (MVVM/MVI)., • UI/UX Implementation: Turn Figma designs into pixel-perfect layouts using Jetpack Compose or XML., • Bug Squashing: Identify, debug, and fix performance bottlenecks and edge-case crashes., • Continuous Learning: Participate in code reviews, contribute to technical documentation, and stay up-to-date with the latest Android Jetpack libraries. ✅ What You Bring • Experience: 1+ years of professional experience in Android development (internships count if they were high-impact!)., • Language Proficiency: Strong foundations in Kotlin and a solid understanding of Java., • Android SDK: Familiarity with Activities, Fragments, Services, and Lifecycle components., • Networking: Experience working with RESTful APIs using Retrofit and handling JSON data., • Tooling: Proficiency with Git and a working knowledge of Android Studio., • Mindset: A "can-do" attitude and the humility to ask for help when a bug just won't budge. 🌟 Bonus Points if You Have: • A published app on the Google Play Store (send us the link!)., • Experience with Dependency Injection (Hilt/Dagger)., • Familiarity with Coroutines and Flow for asynchronous programming., • A passion for Material Design 3. 🚀 Why Join Us? • Mentorship: Work directly with Senior Developers who actually enjoy teaching., • Tech Stack: We stay on the cutting edge—no ancient legacy codebases here., • Growth: A clear path to becoming a Mid-level Developer within [Timeframe]., • Perks: [Insert Perks: e.g., Remote-first culture, Learning stipend, Health benefits]. #java #android #software #dotnet #c++ #c #immediatejoiner #softwaredevelop #developer

📱 Junior .Net Developer | Building the Future of Mobile !! IMMEDIATE JOINERS !! Junior .Net Developer (Android) Location : London Work mode : Onsite Experience: 2–5 years CITIZEN & DEPENDENTS Are you a mobile enthusiast who lives for clean code and smooth UI transitions? We are looking for a Junior .Net Developer (Android) with 1+ years of professional experience to join our engineering team. At this stage in your career, you’ve moved past "Hello World" and are ready to tackle real-world scalability, complex APIs, and the occasional Gradle headache. If you’re eager to learn from seniors while making a tangible impact on a product used by thousands, let’s talk. 🛠️ What You’ll Do • Feature Development: Collaborate with our product and design teams to build and ship high-quality features for our Android application., • Code Quality: Write clean, maintainable code in Kotlin (and some legacy Java) while following modern architectural patterns (MVVM/MVI)., • UI/UX Implementation: Turn Figma designs into pixel-perfect layouts using Jetpack Compose or XML., • Bug Squashing: Identify, debug, and fix performance bottlenecks and edge-case crashes., • Continuous Learning: Participate in code reviews, contribute to technical documentation, and stay up-to-date with the latest Android Jetpack libraries. ✅ What You Bring • Experience: 1+ years of professional experience in Android development (internships count if they were high-impact!)., • Language Proficiency: Strong foundations in Kotlin and a solid understanding of Java., • Android SDK: Familiarity with Activities, Fragments, Services, and Lifecycle components., • Networking: Experience working with RESTful APIs using Retrofit and handling JSON data., • Tooling: Proficiency with Git and a working knowledge of Android Studio., • Mindset: A "can-do" attitude and the humility to ask for help when a bug just won't budge. 🌟 Bonus Points if You Have: • A published app on the Google Play Store (send us the link!)., • Experience with Dependency Injection (Hilt/Dagger)., • Familiarity with Coroutines and Flow for asynchronous programming., • A passion for Material Design 3. 🚀 Why Join Us? • Mentorship: Work directly with Senior Developers who actually enjoy teaching., • Tech Stack: We stay on the cutting edge—no ancient legacy codebases here., • Growth: A clear path to becoming a Mid-level Developer within [Timeframe]., • Perks: [Insert Perks: e.g., Remote-first culture, Learning stipend, Health benefits].

Agentic Software Engineer Our client is a UK-based organisation operating in the medtech industry, with a team of around 200 people. They design and manufacture bespoke solutions that improve patients’ quality of life. They are investing significantly in technology and automation to support their next phase of growth. A key initiative is the development of a new digital platform that connects prescription workflows, manufacturing processes, and patient outcomes into a single integrated system. The role This is a hands-on lead role suited to someone who works agentically- using AI systems to plan, scaffold, and deliver complex development tasks, while applying strong engineering judgement to review and refine outputs. As the first dedicated developer on this platform, you will work closely with senior leadership from initial concept through to production delivery, playing a central role in shaping both the system and the future team. Our client is looking for someone entrepreneurial and highly proactive, who is comfortable engaging directly with clinicians and operational teams to understand real-world problems before building solutions. Key responsibilities: Direct AI coding agents across complex, multi-step development tasks, structuring context and taking full ownership of outputs Translate requirements, user journeys, and wireframes into working software Develop across the full stack: front-end interfaces, APIs, data models, and integrations Contribute to architectural decisions (data models, authentication, hosting, security) using senior-level judgement Maintain strong version control and deployment practices (Git, branching, code review, CI/CD) Work closely with clinical, operational, and manufacturing teams to inform product development Support the growth and shaping of the technical team over time Planned technology stack: Front-end: React + TypeScript, Tailwind CSS, shadcn/ui Mobile: Capacitor (shared codebase across web and mobile) Offline capability: Progressive Web App (PWA) Backend: Node.js with a single API and multiple front-end clients Database: PostgreSQL Hosting: AWS or Azure with infrastructure-as-code CI/CD: GitHub Actions with per-PR environments Deployment: Docker-based containerisation Authentication: Auth0 or Clerk (TBC) What our client is looking for: Strong full-stack development experience (React, TypeScript, Node.js) Experience designing REST APIs and working with relational databases (e.g. PostgreSQL) Practical cloud experience (AWS or Azure), including deployment and CI/CD pipelines Proven ability to work in an agentic way with AI development tools — structuring problems and critically evaluating outputs Strong understanding of authentication, authorisation, data modelling, security, and edge cases Excellent communication skills, with the ability to engage both technical and non-technical stakeholders A self-driven, entrepreneurial mindset, comfortable working autonomously within a small, high-impact team What’s on offer: Scope to shape a growing platform and team 25 days annual leave plus bank holidays Company pension scheme Flexible hybrid working Budget for AI tooling and productivity tools Interested? Please Click Apply Now We are particularly interested in hearing about: Projects delivered using AI-assisted development workflows Tools you use regularly How your development approach has evolved alongside AI advancements Agentic Software Engineer

Full-Time Mobile App Developer (. If you cannot provide shipped app links, please do not apply. Links to live apps you’ve shipped (App Store / Play Store).

A central government department is looking for an experienced App Developer to join a high‑security programme. Experience working in air‑gapped environments, including managing dependencies and build pipelines without internet access. We are proud of the diverse and inclusive community we have b

Join our existing dev team to create a ground-breaking Android app. We are a global network of highly skilled developers, activists and professionals - all on a mission to help solve the greatest threat of humankind!. Were making an environmental-social app.

A leading freelance marketplace in the UK is seeking an App Developer to create a user-friendly restaurant finder application. The ideal candidate has strong experience in web and mobile app development, particularly with frameworks like React Native or Flutter, and robust backend knowledge. This ro

Budweiser Brewing Group (AB InBev) is seeking a Native Mobile Application Developer based in London. The role focuses on developing and maintaining mobile applications for PerfectDraft devices using React Native.

A leading freelance marketplace is seeking a Freelance App Developer to create the EventEase mobile application for the events industry.

Reporting to the Head of Development, you will use your expertise in cross‑platform application development to deliver high‑quality, performant and secure applications using. Working with senior technical team to agree best practices and design approaches. Our colleagues are approachable and opt

A leading AI development company in the UK is seeking proficient programmers to work on innovative AI systems.The role offers fully remote work, a flexible schedule, and competitive pay starting at $40+ per hour.Candidates should be fluent in English and have experience in Kotlin or other programmin

A leading compliance software company is seeking a MAUI Developer to design and develop cross-platform applications.

An entrepreneur based in Gaborone, Botswana is seeking an app developer to build a service provider application designed for the events industry. The app, titled EventEase, will connect event service providers with clients, streamlining the process of discovering, booking, and managing event service

We have an exciting opportunity for an iOS Mobile App Developer to join our Engineering 'chapter' here at Tesco Mobile, where you will design, code and implement customised solutions for the Tesco Mobile iOS mobile app. You will work closely with a dynamic cross‑functional squad that includes iOS

Ideal applicants must have a strong portfolio in app development and content creation, demonstrating expertise in FlutterFlow and social media marketing. Twine is looking for a candidate in the United Kingdom to develop and launch a web and app-based Merchant Directory using FlutterFlow.

A leading recruitment agency is seeking an experienced App Developer to join a high-security government project.

A global entertainment company seeks a Senior Web Application Developer in Hammersmith, London. The ideal candidate will collaborate across teams to create engaging, secure web applications and contribute to ongoing enhancements.

We are looking for a highly skilled and experienced Flutter Mobile App Developer to join our dynamic team. Troubleshoot and fix bugs in existing applications. Optimize applications for maximum speed and scalability.

App Developer – Restaurant Finder. This role involves developing a user-friendly application that enables users to discover restaurants in their area, view daily meal offerings and deals, and interact with restaurant profiles by posting photos and leaving ratings. The project is in the planning an

A technology services company in the East Midlands is seeking an experienced Application Developer to support the stock management application development.

Net MAUI Mobile Application Developer in the UK. Net MAUI native app as part of a digital transformation initiative.

A leading AI integrator company is looking for Senior Agentic Application Developers to lead the full-stack development of AI-powered systems.

Apple App Store (and/or Google Play). If you cannot provide shipped app links, please do not apply. We’re hiring a full-time Mobile App Developer to build a.

A leading training centre is seeking an experienced application developer to create a comprehensive exam revision app for gas and renewable engineers in the UK. This remote, project‑based role involves developing mobile applications, understanding educational tech, and delivering user-friendly sol

Links to live apps you’ve shipped (App Store / Play Store). Full-Time Mobile App Developer (. We’re hiring a full-time Mobile App Developer to build a.

Apply and discuss multiple hypotheses to make well-informed decisions, especially in mental health and safeguarding situations. If you are inspired to make a difference in the lives of others, we invite you to apply and join us in our mission to enrich our community.

We’re building the hardware foundation for next-era computing.Plessey is a world-leading technology company driving the next generation of photonic devices and systems.With over 70 years of innovation, we combine research, materials science, process engineering, and manufacturing under one roof.We

Engaging with system designers, other engineering disciplines and software developers to in the design process to ensure that software meets requirements. Detailed knowledge of all types is not required, but a good understanding of the principals of the software lifecycle and the application to othe

Apply shift‑left testing practices, including unit, integration, and performance testing.

Please only apply if you are happy and able to work 2 days a week onsite in the South Essex area. Designing, developing, and maintaining web applications from the ground up. Collaborating with designers, developers, and business stakeholders.

Further details on application.

We are an Imperial College London med tech spinout building AI-powered clinical decision-support tools certified as Software as a Medical Device (SaMD).Our platform uses real-world EHR data to identify patients at risk of preventable harm — giving NHS clinicians time to act.We are a small, high-ow

Senior Platform Engineer (Azure / Kubernetes).UAE | On-site | $140,000–170,000 base + Discretionary Bonus.We’re hiring a Senior Platform Engineer to own production systems end-to-end, operating.Own production systems end-to-end: design and operate infrastructure on.Microsoft Azure, including rel

Software Engineer — Data Systems.We’re Metomic; a data security platform helping enterprises understand and protect sensitive data across their SaaS environments.We process large volumes of real customer data daily and our systems must remain fast, accurate, and reliable under load.Our product d

AYES is looking for a Software Engineer.Italy, is continuing its growth and expanding its.SW development, embedded systems, and software engineering.University degree (BSc or MSc) in.Computer Science, Software Engineering, Electronic Engineering, or a related field.Minimum of 3 years’ experience i

Metric has partnered with a leading quantum technology company developing next-generation quantum computing systems to hire a Quantum Software Engineer specialising in Quantum Error Correction (QEC).This role focuses on building the foundations of fault-tolerant quantum computation, designing and im

A Mobile iOS Developer will develop and maintain applications for end user groups and customers Analyze performance of applications, and troubleshoot problems Involved in the coding, testing and documentation of the proposed solution Responsible for the creation, modification, and testing of code In

We’re looking for a Senior QA Engineer to own product quality across our web, mobile and API platforms.This is not a ticket-closing role: quality needs to be considered across the full development lifecycle.You will be embedded in the product process from the start, contributing to acceptance cr

Their agents handle calls, respond to emails and WhatsApp messages, make bookings, process payments, and operate CRM systems in the same way a human would.

Senior Rust Developer - Perm - Aviation Technology. If you’re a Rust‑focused backend engineer with experience in aviation or operational systems, apply directly or get in touch to have a confidential conversation and learn more.

Your application will be considered in competition with others, and we aim to contact successful applicants within 5 working days. By applying for this position, you confirm that you have read and understood our Data Privacy Statement and give Bolt Technical authorisation to hold your provided data.

Develop and maintain low-level drivers and application firmware. Take ownership of defined subsystems with appropriate guidance.

Mobile Application Developer (Kotlin Multiplatform). Design, develop, and maintain mobile applications using Kotlin Multiplatform and Compose Multiplatform. Troubleshoot, debug, and optimise applications for performance and reliability.

We have an exciting opportunity for an Application Software Engineer to join a leading global audio technology business. They are looking to hire an Application Software Engineer to join a growing team working on complex, real-world products. This role will be focused on developing and enhancing app

Apple devices and the best AI tooling.