434 Open Application jobs in the United Kingdom

Application Developer

London - hybrid

8 Months+

Inside IR35- Umbrella only

Core Technical Skills:

React Native & Expo:

• Proficient with React Native and Expo open source modules (bare workflow)
• Strong React fundamentals: hooks, context, state management
• React Navigation, app routing JavaScript & TypeScript
• Advanced JavaScript (ES6+) and TypeScript
• Type safety and maintainability for large-scale projects
• Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules
• Native module integration in Expo
• React Native projects
• State Management & Storage Redux for complex state management MMKV for high-performance key-value storage

Nice to have skills:

• Architecture & APIs System Design
• Deep expertise in complex React Native architectures and patterns
• Subject matter expert for technical problem-solving and architectural guidance
• Designs solutions for the most challenging technical requirements GraphQL Integration Apollo GraphQL client expertise
• Query optimisation, caching, error handling
• Real-time subscriptions (coming soon)
• Integration Adobe Analytics implementation and mobile tracking
• Adobe Experience Manager (AEM) for content delivery
• Firebase Remote Config for feature configuration CI/CD
• Knowledge of native build processes and optimisation
• Go-to person for complex deployment and build issues
• GitLab CICD experience a plus Deep Technical Requirements
• Expert-level debugging and problem-solving across iOS/Android platforms

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!

Are you a hands-on engineer with a strong background in mechanical or manufacturing processes? Do you enjoy working at the intersection of design, production, and technical problem-solving? We’re supporting a well-established business in Cardiff as they grow their engineering function with the addition of an Application Engineer.

In this role, you’ll be responsible for developing and implementing processes for complex components and managing them into production. You'll be heavily involved in design, application development, and process optimisation — working closely with internal teams across production, quality and sales, as well as external partners and customers.
 

What you’ll be doing:

• Reviewing technical requirements to develop practical, production-ready engineering solutions
li>Designing jigs, fixtures and tooling
• Collaborating with machinists and subcontractors on finishing operations
• Writing work instructions and ensuring traceability standards are met
• Providing technical input across the project lifecycle, from costing to customer delivery
• Supporting continuous improvement and mentoring colleagues where needed
• Representing the business in customer-facing technical discussions
   

What we’re looking for:

A background in mechanical or manufacturing engineering
• Strong understanding of product development and manufacturing processes
• Solid CAD skills – ideally SolidWorks
< i>Someone who communicates well with both customers and internal teams
• A detail-oriented, proactive approach with a passion for engineering challenges

This is an opportunity to join a close-knit engineering team where you’ll take real ownership of your work, play a key role in project delivery, and help shape the future of specialist production capabilities.

If it sounds like an ideal opportunity for you, apply for immediate consideration.

Applications Engineer

Cantello Tayler Recruitment are currently recruiting for an Applications Engineer to join our client based in Uxbridge.

The successful Applications Engineer will be responsible for:

• Providing product and application support for customers both off-site and on-site
• Providing continued support for Sales Engineers
• Testing and creating reports for technical applications
• Launching new products to sales teams by giving presentations, demonstrations and tests
• Planning, designing, developing, and delivering training on existing products
• Proactively identifying areas to improve department operation efficiency and initiate projects to achieve such improvements

The Applications Engineer will have:

• Degree education in an engineering or technical discipline
• Eligibility to work in the UK
• Full UK driving licence
• Ability to communicate complex ideas in a concise manner
• Strong public speaking skills
• Ability to organise and prioritise diverse set of projects, tasks and activities for timely completion
• Ability to work as part of a team

If this Applications Engineer role is of interest to you, please click apply now or contact Marie Spratley in our Egham office.

We are seeking Mid-Level Application Software Engineers to join our clients growing team where you’ll play a key role in designing and developing cutting-edge software for audio and live performance technology, collaborating with a supportive and dynamic team dedicated to enhancing the live experience for artists and audiences alike.

What You’ll Do

• Develop and maintain desktop applications for audio and live performance environments
li>Work on cross-platform solutions for Embedded Linux, macOS, and iOS
• Collaborate in Agile teams, contributing to sprint planning, code reviews, and CI/CD pipelines
• Build intuitive graphical user interfaces (GUI) with Qt/QtQuick
• Integrate networking features using TCP/IP for seamless device communication
• Support the evolution of products that shape the sound of live performances globally

What We're Looking For

• Strong proficiency in C++ and C#
• Experience with multithreading and complex, concurrent software systems
• Familiarity with cross-platform desktop development (Embedded Linux/macOS/iOS)
• Understanding of Agile methodologies, CI/CD, and version control
• Networking knowledge (TCP/IP)
• Bonus: Experience or interest in Delphi, Flutter, and full-stack development
• Appreciation for audio mixing technology and live streaming
• Interest in hardware/software integration (FPGA/embedded systems)

You’ll Thrive Here If You…

• Are self-motivated, proactive, and eager to solve complex problems
• Communicate effectively and enjoy collaborating in a team
• Bring prior experience in audio technology or related fields (a plus, not a must)

Why Join?

• Innovative Culture: Help develop new products and enhance existing solutions at the forefront of audio technology
• Real-World Impact: Your work will be used by leading audio professionals on stages and in studios around the world
• Career Growth: Structured progression and opportunities to make a tangible impact
• Work-Life Balance: Flexible hours and a hybrid office model
• Collaborative Team: Work alongside passionate engineers dedicated to delivering the best in live audio technology

If you’re excited about shaping the future of live performance technology and want to work with a team that shares your passion for audio and music, apply now!

CDM are currently recruiting for Application Technicians for a client based in Newcastle Upon Tyne.

The application technicians are responsible for all of the final testing of systems, once they are built. You will be responsible for testing all fibre optic systems as well the electrical lines, hydraulic and pneumatic lines. You will do this with continuity testing, to make sure that all those systems are working throughout the entire product. You will also carry out hydrostatic high-pressure testing.

Up to 2 years worth of training will be provided with all the various forms of testing.

You will be working in a heavy engineering environment, which is very clean, modern, quiet and slow paced. You are also given a lot of autonomy to work within your small team as our client doesnt believe in having to micro-manage people. 

This position is a long-term agency role, which we would expect to last for at last 4 years of consistent work. You may also be offered a permanent role at some point however this is not guaranteed. 

Basic salary £(phone number removed) (inclusive of shift allowance) / £21.16ph

Shift Information 

Continental shift pattern which doesn’t involve working weekends. Which we believe along with the very slow pace of work, gives an excellent work/ life balance.

Day shift 6:45 – 18:45

Night shift 18:45 – 6:45

Ideally you will have 5+ years experience in a similar engineering or maintenance role.

If this role is of interest or for more information please contact Lewis or Ashton at CDM or email over your CV.

Application Specialist

+ 12 months +
+ Inside IR35
+ 575 a day
+ On site in malvern
+ DV Clearance required

We are seeking an experienced Application Specialist to support a key Defence programme. This role requires a deep understanding of the installation, implementation, and integration of COTS, MOTS, and MOD applications within secure environments.

• Install, configure, and integrate commercial, military off-the-shelf, and bespoke MOD applications.

• Ensure seamless application deployment in line with project and security requirements.

• Provide specialist technical input across the full application lifecycle.

• Collaborate with internal and external stakeholders to resolve complex technical challenges.

• Ensure compliance with MOD standards and security policies.

• Proven track record in application installation, integration, and implementation.

• Experience working within Defence or highly secure environments.

• Strong understanding of COTS and MOTS applications in MOD contexts.

• Excellent troubleshooting and problem-solving skills.

• Current DV clearance is essential.

If you'd like to discuss this application specialist in more detail, please send your updated CV to (url removed) and I will get in touch.

Xpertise are recruiting an Enterprise Application Architect for a leading professional services organisation in Leeds. This is a strategic, hands-on role where you’ll set the application strategy, define target and reference architectures, and govern designs across a complex, business-critical estate. You’ll translate outcomes into secure, scalable solutions (cloud and on-prem), coach delivery squads and partners, and raise the bar on engineering quality, performance, and resilience, accelerating time-to-value while keeping costs in check.

You will be responsible for:

• Leading, designing, and maintaining the application architecture.
• Defining standards, guidelines, and best practices.
• Working with analysts, developers, and stakeholders to translate requirements into technical solutions.
• Leading architecture reviews and mentoring development teams.
• Recommending tools, technologies, and frameworks.
• Ensuring alignment with enterprise architecture and security standards.
• Documenting designs and technical specifications.
• Troubleshooting and resolving architectural issues.
• Supporting migration, modernisation, and integration initiatives.

Skills & Experience:

• Degree in Computer Science, IT, or a related field.
• Significant experience leading software development and architecture across application migration, modernisation, and integration.
• Strong capability in documenting high-level designs, system workflows, and technical specifications.
• Deep understanding of architectural patterns (e.g., microservices, layered, serverless).
• Expert knowledge of big data tools (Kafka, Spark, Hadoop) and major cloud platforms (AWS, Azure, GCP) to inform technology recommendations.
• Proficiency in Java, C#, Python, or JavaScript/TypeScript.
• Experience with cloud platforms (AWS, Azure, Google Cloud) and DevOps practices.
• Familiarity with SQL/NoSQL databases, APIs, Docker/Kubernetes, and CI/CD pipelines.
• Confident communicator able to brief Senior Leadership and collaborate with stakeholders to gather requirements effectively.

Please get in touch for further information.