4,264 Application Developers jobs in the United Kingdom

Based in newly refurbished offices in Guildford, this profitable software engineering company works with global corporations. Their software products allow users to develop sophisticated engineering models used within energy and renewables with future applications in banking and healthcare.

The software teams are highly educated (many with PhDs), and academic background is important in their technical recruitment approach.

Currently, they are looking to recruit a Software Development Engineer to join a nascent group to incorporate innovative AI / ML features into their software offerings. The focus is still on design, development and deployment of well-engineered scalable software solutions, the challenge is how to best utilise AI / ML into these software products.

Requirements:

- Strong academic background, minimally a Master’s in computer science, physics, engineering or similar, and ideally a PhD in a relevant subject area.- 

- Demonstrable experience developing desktop and web applications including production-grade software. This should include experience with software architecture and understanding how to support structured (SQL) and unstructured (RAG) data.

- Experience with Python and C++ / C# including how to integrate ML features.

The role does require relevant technical expertise, limited university / freelance projects are not sufficient.

On offer is an excellent remuneration package including a wide range of benefits. Successful candidates will need to undertake background checks and also work fully onsite to take up this role.

Keywords: Software Engineering, AI / ML Applications, Desktop / Web, Data Engineering Support, Python, C++, C#, Onsite, Guildford

Another top job from ECM, the high-tech recruitment experts.    

Even if this job's not quite right, do contact us now - we may well have the ideal job for you. To discuss your requirements call ecm or email your CV. We will always ask before forwarding your CV.

Please apply (quoting ref: CV27474 ) only if you are eligible to live and work in the UK. By submitting your details you certify that the information you provide is accurate.

Outside IR35

Hybrid working West Midlands

Key Responsibilities:

• Develop software solutions to improve work processes, including data processing and administrative tasks using Python.
• Enhance the existing reporting database which utilises Confluence and integrate Confluence data into Python KPI tracking systems.
• Support the transition of existing processes to Microsoft SharePoint, PowerApps, and Dataverse, and integrate these into the current Python process automation environment.
• Proactively define requirements and make software proposals, iterating to reach optimal solutions.

Job Requirements:

• Good degree or equivalent qualification in Software, Computer Science, or Software Engineering discipline (e.g., 2:1 or higher).
• Experience and proficiency in Python, including referencing external data sources via APIs.
• Knowledge of Linux, Docker, Git (Bitbucket), PostgreSQL, and HTML/JavaScript.
• Familiarity with O365, including Microsoft SharePoint online and Microsoft Dataverse.
• Clear thinker with a proactive attitude and strong communication skills.
• Experience using software development and project management tools.
• Ability to exhibit good logical analysis of data and problem-solving skills.
• Demonstrates clear ownership of tasks, with capability to build relationships internally and externally.

Personal Attributes
* Good Degree or equivalent (e.g. 2:1 or higher in a Software, Computer Science or Software Engineering discipline).
* Clear thinker, good communicator and pro-active attitude. Good at logical analysis of data and problem solving.
* Experience using software development and project management tools
* Demonstrates clear ownership of tasks. Able to build relationships internally/externally.
* Required Software knowledge and experience:
- Python (including familiarisation with referencing external data sources via API's)
- Linux
- Docker
- Git (Bitbucket)
- PostgreSQL
- HTML/JavaScript
- O365 (including Microsoft SharePoint online and Microsoft Data verse)

If you are a Software Development Engineer with the necessary skills and experience looking to contribute to the automotive sector through innovative software solutions, we would like to hear from you. Apply now to join our client's dynamic team.

Based in newly refurbished offices in Guildford, this profitable software engineering company works with global corporations. Their software products allow users to develop sophisticated engineering models used within energy and renewables with future applications in banking and healthcare.

The software teams are highly educated (many with PhDs), and academic background is important in their technical recruitment approach.

Currently, they are looking to recruit a Software Development Engineer to join a nascent group to incorporate innovative AI / ML features into their software offerings. The focus is still on design, development and deployment of well-engineered scalable software solutions, the challenge is how to best utilise AI / ML into these software products.

Requirements:

- Strong academic background, minimally a Master’s in computer science, physics, engineering or similar, and ideally a PhD in a relevant subject area.- 

- Demonstrable experience developing desktop and web applications including production-grade software. This should include experience with software architecture and understanding how to support structured (SQL) and unstructured (RAG) data.

- Experience with Python and C++ / C# including how to integrate ML features.

The role does require relevant technical expertise, limited university / freelance projects are not sufficient.

On offer is an excellent remuneration package including a wide range of benefits. Successful candidates will need to undertake background checks and also work fully onsite to take up this role.

Keywords: Software Engineering, AI / ML Applications, Desktop / Web, Data Engineering Support, Python, C++, C#, Onsite, Guildford

Another top job from ECM, the high-tech recruitment experts.    

Even if this job's not quite right, do contact us now - we may well have the ideal job for you. To discuss your requirements call ecm or email your CV. We will always ask before forwarding your CV.

Please apply (quoting ref: CV27474 ) only if you are eligible to live and work in the UK. By submitting your details you certify that the information you provide is accurate.

Role: Software Engineer

Location: Cambridge

Salary: Up to 60,000 DOE

Are you an experienced Software Engineer who thrives on solving complex problems and driving technical excellence? We're working with a forward-thinking organisation that's scaling rapidly and looking for a Software Engineer to play a pivotal role in taking their platforms to the next level.

This is a unique opportunity to join a business where technology underpins everything they do. You'll lead by example, championing best-practice design patterns, robust software architecture, and agile delivery. As the company prepares for significant growth, you'll help re-architect and harden systems to handle 10x-100x scale, ensuring the platform is built to last.

Beyond writing high-quality, maintainable code, you'll mentor junior engineers, influence "buy vs build" decisions, and strike the right balance between strong engineering principles and pragmatic solutions. You'll be the guardian of code quality, driving test coverage and long-term maintainability.

What we're looking for:

• 3+ years' experience in software engineering
• Strong background with C# and .NET
• Familiarity with Linux, Python, and Azure DevOps
• Experience in both start-up/scale-up and larger organisations
• Excellent communication skills
• Bonus: experience in robotics or hardware-based products

In return, you'll be joining a dynamic, collaborative environment where your expertise will make a tangible impact. If you're ready to step into a role where you can shape the engineering culture and technology of a scaling business, reach out to Fintan at TEC Partners.

• Deploying scripts, updates and fixes.
• Deploy applications via automation with configuration management tools.
• Input and upload translations.
• Verify all updates and carry out testing as required.
• Complete all relevant GxP documentation.

• Hold a relevant degree in computing, engineering or similar, or have equivalent working experience.
• Some experience in software engineering or software development.
• Experience using one or more of the following languages: Java, Javascript orReactNative.
• An engineering mindset and problem solving skills, with focus on testing.
• Familiarity with Git Branching and versioning strategy.
• Have an understanding of JSON file format.

Are you looking for an opportunity to shape the future of software quality in a forward-thinking company?

Are you experienced within C/C++ and Java?

If YES, you could be theSoftware Engineer we are looking for!

What are the benefits of a Software Engineer?

• Competitive salary
• Based in Kettering, Northants, this role offers a hybrid working option
• Career development opportunities
• Become a member of an Employee-owned trus
• Cycle to work scheme
• Option to buy additional leave
• Option to join Private medical insurance

What are your key responsibilities?

• Develop and maintain software applications that control our automated warehouse systems, ensuring high performance, scalability, and reliability.
• Collaborate with project managers, engineers, and clients to deliver tailored software solutions based on project specifications.
• Work on system integration and ensure that software interfaces smoothly with hardware and control systems.
• Conduct testing, troubleshooting, and debugging to optimise software performance and resolve issues.

What we are looking for?

• Degree in Computer Science, Software Engineering, or a related field.
• Experience in C/C++ and Java
• Competent in Linux (Unix) based operating systems and able to write shell scripts
• Experience with warehouse management systems (WMS) or automation systems is a bonus.

Apply now to start your next chapter!

Software Engineer (Rust, Python, and JavaScript)

Alton, Hampshire (Hybrid after probation)

Must be Eligible for SC Clearance

30,000 - 50,000 Depending on Experience

Join a specialist technical consultancy delivering innovative solutions across software development, data science, AI, and engineering. You'll work on a variety of multi-disciplinary projects applying programming, modelling, and analytical techniques to solve real-world problems.

Key Responsibilities:

• Develop software in a range of languages - currently including Rust, Python, and JavaScript (but we're flexible depending on project needs).
• Build and run mathematical models to support expert advice and decision-making.
• Apply statistical and computational methods to uncover insights from data.
• Research and apply new techniques, including AI and machine learning.
• Prepare clear, concise technical reports and presentations.

Skills & Experience:

• Degree in mathematics or a related scientific discipline.
• Strong mathematical ability.
• Programming skills - Rust, Python, and JavaScript are especially valued, but all experience is considered.
• Solid working knowledge of Microsoft 365.
• Strong written and verbal communication skills.

If you have the relevant skills for this role and are ready for the challenge, then please send your CV to (url removed)

Spectrum IT Recruitment (South) Limited is acting as an Employment Agency in relation to this vacancy.

A market leading Defence & Security client of ours is currently in the market for Software Engineering professionals to join their team based in Gloucester. In the role you will play a pivotal role in developing cutting edge software systems and applications. You'll be at the forefront of driving innovation and safeguarding digital infrastructures in the UK.

Typical responsibilities:

• Plan, coordinate, and carry out software development activities.
• Design and run tests to debug and improve software.
• Translate customer requirements into mission/business applications, following agreed standards and processes.
• Fix program errors and prepare operating instructions.
• Produce and maintain development documentation.

Required skills and experience:

• Proficiency in Java (plus experience with Python or other languages).
• Development experience on Linux.
• Strong knowledge of unit testing frameworks (e.g. JUnit 5).
• Skilled with Git version control.
• Experience with Agile/SCRUM.
• Database experience (Oracle, relational, and/or MongoDB).
• CI/CD pipelines (GitLab).
• Familiarity with Apache NiFi, Hibernate, Elasticsearch, and Kibana.
• Front-end experience with JavaScript/TypeScript & React.
• Proficiency with Atlassian Suite (Jira, Confluence, Bitbucket).
• Experience mentoring junior engineers.

Desirable skills and qualifications:

• Experience with JSF (Primefaces).
• Cloud development (AWS) and microservice/serverless architectures.
• Supporting and maturing CI/CD pipelines for cloud deployments.
• Knowledge of migrating on-prem workloads to the cloud.
• Hands-on use of AWS services such as EC2, EKS, Fargate, IAM, S3, and Lambda.

If this looks of interest or could potentially be a fit for you or someone you may know, please contact or feel free to hit apply!

Disclaimer:

This vacancy is being advertised by either Advanced Resource Managers Limited, Advanced Resource Managers IT Limited or Advanced Resource Managers Engineering Limited ("ARM"). ARM is a specialist talent acquisition and management consultancy. We provide technical contingency recruitment and a portfolio of more complex resource solutions. Our specialist recruitment divisions cover the entire technical arena, including some of the most economically and strategically important industries in the UK and the world today. We will never send your CV without your permission.

Software Engineer - London (Onsite, 5 Days per Week)
65,000 - 90,000 + Benefits

We are representing a specialist SME consultancy partnered with a leading AI and technology firm, delivering mission-critical solutions to the UK Defence and Intelligence community.

This is a unique opportunity to work on a cutting-edge new platform that is shaping the future of national security. The role is language-agnostic - we're not looking for expertise in one specific technology stack. Instead, we want highly skilled software engineers with strong experience in at least one modern programming language and the ability to quickly adapt and learn new ones.

You will be working at the forefront of innovation on programmes of national importance , collaborating with some of the brightest minds in the industry. This is a full-time, London-based position (onsite, Monday-Friday).

Due to the sensitive nature of the work, candidates must hold current SC or DV clearance.

If you're a high-calibre engineer seeking to apply your skills to projects that truly make a difference, we want to hear from you.

Apply now to join a forward-thinking team where your expertise will directly contribute to the UK's national security capabilities.

People Source Consulting Ltd is acting as an Employment Agency in relation to this vacancy. People Source specialise in technology recruitment across niche markets including Information Technology, Digital TV, Digital Marketing, Project and Programme Management, SAP, Digital and Consumer Electronics, Air Traffic Management, Management Consultancy, Business Intelligence, Manufacturing, Telecoms, Public Sector, Healthcare, Finance and Oil & Gas.