715 Application Developers jobs in London

• Participate in the design, coding, testing, and debugging of software applications.
• Collaborate with senior engineers and cross-functional teams on project tasks.
• Write clean, maintainable, and efficient code according to established standards.
• Assist in the development of technical documentation.
• Learn and apply software development best practices and methodologies (e.g., Agile, Scrum).
• Contribute to code reviews and provide constructive feedback.
• Troubleshoot and resolve software defects and issues.
• Gain exposure to a variety of programming languages and technologies.
• Actively participate in team meetings and contribute to problem-solving discussions.
• Engage in continuous learning and professional development throughout the internship.

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a closely related technical discipline.
• Strong understanding of fundamental programming concepts and data structures.
• Proficiency in at least one programming language such as Python, Java, C++, or JavaScript.
• Familiarity with software development tools and version control systems (e.g., Git).
• Excellent analytical and problem-solving skills.
• Strong communication and teamwork abilities.
• Eagerness to learn and adapt to new technologies.
• Eligibility to work in the UK.
• Students nearing the completion of their degree are also encouraged to apply.

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.

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 4 years commercial experience with JavaScript or TypeScript and Node
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

49904MSR1

INDLON

Software Engineer - London (Hybrid) - up to 70,000 + Benefits - Ref 1947

I am currently recruiting for a Software Engineer to work for a fascinating company within the space domain that are pushing the boundaries of technology based in London. Salary up to 70,000 + Benefits.

The company is very highly regarded within the industry and has some incredible projects currently ongoing, some of which will make national headlines once delivered. They have grown from strength to strength and doubled in size last year, with ambitious but realistic growth plans forecast this year.

To support the business with its future plans as well as enabling them to be able to deliver upon their current project demands they have the need to appoint another Software Engineer on a permanent basis.

In this role as a Software Engineer, you will be responsible for coding in Rust and C/C++. Initially this will be on the ground software to integrate with mission control software, but this will diversify in time to be more focused on the flight dynamics element.

Essential Requirements:

• Degree educated
• At least 2 years' commercial experience as a Software Engineer or similar unless you have completed a PhD
• Experience with Rust or C/C++

Desirable Requirements:

• Experience developing software for Satellites. Ground Segment, Ground Station or Mission Control applications
• Embedded Software

This is a fantastic opportunity to join a growing company who are working on some of the most interesting and technically challenging projects the industry has to offer. This person will be someone who wants longevity within a company and ideally for someone who has the ambition to eventually lead a department in the future.

This is an immediate requirement, so have you have the required skills and experience, please get in touch immediately with an up to date copy of you CV or contact Adam on (phone number removed).

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.

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.

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.

We're looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You'll be instrumental in our transition away from Drupal as we modernise and scale our platform.

Tech Stack:

• At least 4 years commercial experience with JavaScript or TypeScript and Node
• Exposure of Laravel and/or Python (Django or Flask a plus)
• Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.)

What You'll Do:

• Build scalable applications using modern frameworks and clean architecture
• Contribute to backend services and APIs (Python or Laravel-based)
• Help re-platform and migrate to a modern stack
• Collaborate cross-functionally with UX, Product, and DevOps

What We Offer:

• A supportive environment that encourages professional growth and continuous learning.
• An inclusive, collaborative culture within one of the UK's leading business services providers.
• A competitive salary and benefits package.

49904MSR1

INDLON

Software Engineer - London (Hybrid) - up to 70,000 + Benefits - Ref 1947

I am currently recruiting for a Software Engineer to work for a fascinating company within the space domain that are pushing the boundaries of technology based in London. Salary up to 70,000 + Benefits.

The company is very highly regarded within the industry and has some incredible projects currently ongoing, some of which will make national headlines once delivered. They have grown from strength to strength and doubled in size last year, with ambitious but realistic growth plans forecast this year.

To support the business with its future plans as well as enabling them to be able to deliver upon their current project demands they have the need to appoint another Software Engineer on a permanent basis.

In this role as a Software Engineer, you will be responsible for coding in Rust and C/C++. Initially this will be on the ground software to integrate with mission control software, but this will diversify in time to be more focused on the flight dynamics element.

Essential Requirements:

• Degree educated
• At least 2 years' commercial experience as a Software Engineer or similar unless you have completed a PhD
• Experience with Rust or C/C++

Desirable Requirements:

• Experience developing software for Satellites. Ground Segment, Ground Station or Mission Control applications
• Embedded Software

This is a fantastic opportunity to join a growing company who are working on some of the most interesting and technically challenging projects the industry has to offer. This person will be someone who wants longevity within a company and ideally for someone who has the ambition to eventually lead a department in the future.

This is an immediate requirement, so have you have the required skills and experience, please get in touch immediately with an up to date copy of you CV or contact Adam on (phone number removed).