20 of 20 Permanent Applications Developer Jobs in London

Tech Stack HTML5, CSS3, JavaScript, Angular, React Client Details My client is based in Slough, SL2 and offers one of the best training and development packages in the market, all inclusive. Job Opportunity Challenge: Develop ...

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Senior Mobile App Developer A leading retailer are looking for a Senior Mobile App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior Mobile App Developer, you will be responsible for building … Studio, GitHub, mobile CI/CD tools, automated testing frameworks and the app store deployment process. * Proven experience delivering high-quality iOS/Android applications in Agile environments. * Exceptional communication skills and ability to collaborate effectively with cross-functional teams. * Experience working with design systems and translating Figma ...

Development & Continuous Improvement Develop and maintain scripts to support platform configuration and data management Contribute to feature development across both legacy and cloud-based applications Identify opportunities to improve existing workflows, processes and system performance Cross-Functional Collaboration Work closely with development teams to interpret and implement new technical … role that combines platform support with software development, we'd love to hear from you. Important Notice: We are expecting a high volume of applications for this role and while we do our best to respond to as many applicants as we can, it isn't always possible ...

Castleton Commodities International (CCI) is hiring a Senior ETRM Application Developer to expand our Commodities Trading Application Development team. This role sits at the center of our end-to-end trading lifecycle and is responsible for building and enhancing the applications and integrations that support front … with Trading, Risk, Operations, and Technology teams to deliver scalable solutions with strong data quality, resiliency, observability, and control. Responsibilities Design, develop, and support applications and services across the end-to-end commodities trade lifecycle. Build and enhance integrations between ETRM platforms and systems utilizing Java & Oracle. Develop ...

Position: Python Application Developer with DevOps Department: Platform Engineering Reporting to: Senior Technology Manager Location: London or Amsterdam Hybrid role: 3 days a week from our office & 2 days working from home About this role At the JET Platform Engineering department, we are looking for someone … products and features Building robust and scalable software components and services using Python Designing and managing cloud infrastructure and automation for high availability Optimizing applications to maximize speed and scalability Creating and maintaining technical documentation, including runbooks Collaborating with global team members and stakeholders Taking a flexible, proactive approach ...

Position: Python Application Developer with DevOps Department: Platform Engineering Reporting to: Senior Technology Manager Location: London or Amsterdam Hybrid role: 3 days a week from our office & 2 days working from home Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. … products and features Building robust and scalable software components and services using Python Designing and managing cloud infrastructure and automation for high availability Optimizing applications to maximize speed and scalability Creating and maintaining technical documentation, including runbooks Collaborating with global team members and stakeholders Taking a flexible, proactive approach ...

Senior Mobile App Developer A leading retailer are looking for a Senior Mobile App Developer to join their Mobile Team to contribute to the development and evolution of their Mobile App. As the Senior Mobile App Developer, you will be responsible for building ...

highly product-focused role where you'll work directly with customers, understand how they operate in the real world, and build mobile applications that solve meaningful business problems. You'll have ownership from discovery through to production, collaborating closely with engineers, product leaders and customers to shape what gets … built. What You'll Be Doing Building cross-platform mobile applications using React Native and TypeScript Designing intuitive user experiences for complex workflows Developing offline-first functionality with reliable synchronisation Working with native iOS and Android capabilities when required Integrating AI-powered functionality into mobile products Collaborating directly with ...

that support FX trading. Your work will play a meaningful role in delivering reliable and efficient trading experiences. You\'ll focus on making our applications faster, more stable, and easier to scale. You\'ll work closely with engineers, product partners, and operations in a collaborative environment. You\'ll also … contribute ideas and help shape how we design and build our systems. WHAT YOU'LL BE DOING: Core Application Development Build and enhance backend applications using Java Design solutions that improve system reliability and scalability Contribute to improving performance and overall system stability Take ownership of features from development ...

that support FX trading. Your work will play a meaningful role in delivering reliable and efficient trading experiences. You’ll focus on making our applications faster, more stable, and easier to scale. You’ll work closely with engineers, product partners, and operations in a collaborative environment. You’ll also … contribute ideas and help shape how we design and build our systems. WHAT YOU'LL BE DOING: Core Application Development Build and enhance backend applications using Java Design solutions that improve system reliability and scalability Contribute to improving performance and overall system stability Take ownership of features from development ...

Avaloq Developer (Contract) Location: London Working Pattern: Hybrid - typically 2 days per week onsite Contract Length: 24 weeks July 2026 - December 2026) Hours: 40 hours per week Rate: Up to £685 per day (Inside IR35 via Umbrella) Job Title: Packaged/SaaS Application Engineer - Avaloq Developer The Opportunity We are seeking an experienced Avaloq Developer to join a high-profile banking programme,... WKCL1_UKTJ ...

Cordova App Developer £450/Outside IR35/Working from Home Cordova App Developer £450 per day (12 Months+/Option of working from Remote/Outside IR35) Length of contract: 12 months+ An experienced Cordova developer to join a team in a long … transport app. You must have proven experience as a mobile developer, with recent experience in designing, developing and deploying mobile applications with Apache Cordova. Location London, Bristol or Cornwall. Full option of working from remote. Essential Requirements and Skills In-depth knowledge of Apache Cordova Experience ...

Hopeghospital in Greater London is seeking a Senior Java Developer to design and maintain high-quality Java applications. The role involves collaborating with cross-functional teams to deliver scalable solutions, optimizing performance, and mentoring junior developers. Candidates must have strong proficiency in Java, Spring, Hibernate, and experience with ...

Vizrt is seeking an Azure Integration Developer/Cloud Solutions Developer to design, develop, and maintain scalable data pipelines and integrations using Azure services such as Logic Apps, Functions, and Data Factory. You will work with cross-functional teams to deliver robust, scalable cloud solutions ...

CTDI is looking for an experienced Cordova App Developer for a 12-month contract offering £450 per day. The role includes working on the mobile application lifecycle for a transport app, with remote working options available. Ideal candidates should have in-depth knowledge of Apache Cordova, experience with ...

secure, scalable web platforms and client portals with strong engineering standards and maintainable architecture. You will contribute to full-stack delivery for enterprise web applications, from architecture and implementation to performance optimization and production support. Core Responsibilities. Develop and maintain modern web applications and authenticated portals. Translate project ...

expected to demonstrate the Barclays Mindset - to Empower, Challenge and Drive - the operating manual for how we behave. Join Barclays as a Pricing Application Developer Where you will design and enhance software solutions using modern engineering practices to deliver key business and technology capabilities. This role supports ...

technology company in the United Kingdom seeks an enthusiastic Java Developer Intern to join its development team. This role provides a unique opportunity to gain hands-on experience in software development, working on real-world projects while enhancing your Java programming skills in a professional environment. Candidates should ...

with strong Excel and VBA skills to support a banking client in Greater London. This role involves developing and maintaining end-user applications while collaborating with various stakeholders. The ideal candidate will have proven experience in application development and support, and be proactive in driving continuous improvement ...