Building innovative, robust software harness AI for the aviation sector
London / Mostly Remote; £40k - £100k DoE
This London based startup is tackling tough challenges in the aviation sector through innovative software solutions. They have sector expertise through their founders, and with venture investment already secured, they are growing their team and are looking for top rated software developer contributors to join their team.
As their latest team member, you’ll contribute to the build and scaling of mission-critical products, supporting complex, real-world operational workflows. You’ll collaborate with product and operational stakeholders, and understand the importance of a distributed and federated architecture.
Requirements:
SC Cleared Salesforce Developer - 6 months+ - £600-700pd Inside IR35 Remote with occasional travel to London (1-2 days per month)
The Salesforce Developer builds on and extends the capabilities of the Salesforce platform. You will use the full arsenal of tools and components within Salesforce, including Flows, OmniScript, Apex and LWC. While you will report into your project leads, you can expect some level of client and project stakeholder interaction.
Please note, you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role.
Role & Responsibilities
Ideally qualified with the following certifications:
This temporary contract is inside IR35 and will require working under the direction of the client delivery manager as part of a multi-disciplinary team. The successful candidate will follow established delivery processes and working practices
This temporary contract is the successful candidate to undergo and be eligible for UK Security Vetting at SC/DV level. Clearance sponsorship will be provided where required. Due to the nature of the work, candidates should meet the relevant residency requirements. If applicable, reserved post nationality restrictions will be confirmed by the client. Damia is committed to inclusive recruitment and welcomes applicants from all backgrounds.
Due to the secure nature of the position and working environment, you must have, or be eligible to obtain Security Clearance
More details relating to UK Security Clearance can be found here:
United Kingdom Security Vetting: clearance levels-Gov. UK
List of national security vetting clearance levels with guidance on who requires clearance and what checks are completed.
Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.
Please note that no terminology in this advert is intended to discriminate on the grounds of a person’s gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.
Should the role require the successful candidate to undergo and be eligible for UK Security Vetting. Clearance sponsorship will be provided where required. Due to the nature of the work, candidates should meet the relevant residency requirements. If applicable, Reserved Post nationality restrictions will be confirmed by the client. Damia is committed to inclusive recruitment and welcomes applicants from all backgrounds.
Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.
In this developer role, you will:
What it takes:
Languages
Python & Java.AWS technologies
Lambda (Python 3.7 and above),
S3 buckets
Step functions
SNS/SQS
GraphQL
IAM Roles
CloudWatch/CloudTrail
CloudFormation
AppSync
Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found on our website.
About The RoleTeam – UK Health, Adviser & Employer EngineeringWorking Pattern - Hybrid – 2 days per week in the Vitality London, Bournemouth or Stockport Office - Full time hoursWe are happy to discuss flexible working!Top 3 skills needed for this role:
What this role is all about:Our Software Engineers play a critical role in Vitality’s successful business model by building and maintaining software solutions, in line with quality and time parameters, to enable operation as a fully integrated composite business, offering brilliant products with seamless, intuitive customer journeys.The Principal Software Engineer leads and plans development across large or multiple teams, providing deep expertise in one technical specialism and strong capability across at least two others. In addition, this role is accountable for leading and embedding an AI-augmented software development lifecycle, where AI tools are used to amplify engineering effectiveness while maintaining clear human accountability for design, quality, security, and delivery outcomes.The role influences both internal teams and external third parties, ensuring that modern engineering practices, including AI-augmented development, are adopted responsibly, consistently, and in line with Vitality standards, governance, and risk appetite.Key ActionsImplement the software development lifecycle (AI-augmented)
Deliver to standards
What do you need to thrive?
So, what’s in it for you?
These are just some of the many perks that we offer! To view the extensive range of benefits we offer, please visit our careers page.If you are successful in your application and join us at Vitality, we will:
We commit to all these things because we want you to feel that you belong and are supported to be happy and healthy.About The CompanyWe’re incredibly proud to be recognised for the culture we’ve created — recently being named one of Glassdoor’s Best Places to Work 2026, and in 2024 we were delighted to be awarded Top 10 Places to Work in the Sunday Times Awards. We’ve been a purpose and values-driven business from day 1- long before it became fashionable. Our core purpose is to make people healthier and enhance protect their lives. Vitality pioneered shared-value insurance. We incentivise people to live healthier longer lives – they benefit, our business benefits, and society benefits. We’re successful because we attract, develop, and retain the best people – and because we care. Plus, you get to join our 1.7+ million members with access to our unique health insurance and healthy living programme, just to make sure you know our products inside and out.
Job Title: Full Stack Engineer
Role Type: Contract (3 month initial)
Location: London (Hybrid, 2-3 days onsite)
Our client is looking for an experienced Full Stack Engineer, with strong experience delivering solutions into complex end client environments, alongside excellent communication skills, energy and the ability to thrive in a high performing, client facing engineering team.
If this sounds like the role for you, please apply NOW and forward an up-to-date CV for consideration!
Fastest Growing Start-up in the UK | Defence
We are partnered with one of the UK’s fastest-growing start-ups. They are a very technically focused group building cutting-edge decision-making technology.
The company’s founding team has a real pedigree, with backgrounds from the UK Special Forces, Palantir and Helsing. They’ve been building for just over two years, and already have a lot of customers in the UK.
On-site | London
Up to 150,000 + Equity
Senior/Principal Software Engineers:
They’re looking to add Senior/Principal Engineers to their team. The team are open to hiring pure backend engineers or full-stack engineers. Their technical stack is Rust, Typescript and React on the frontend. They do not require any experience in any of these technologies; the team hire on pure technical acumen rather than years of experience with one language.
Bonus point if you have built:
No sponsorship is available at this time.
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:
What You’ll Do:
What We Offer:
49904MSR1
INDLON
The Portfolio Group are acting on behalf of our client in recruiting for this position.
Role Purpose
The Software Engineer will work as a hands-on individual contributor within a delivery team, responsible for developing high-quality software solutions. The role involves contributing to and, at times, leading design and engineering decisions, while delivering medium to high complexity work with minimal supervision.
Key Responsibilities
Skills & Experience
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
Software Engineer
Our new client are expanding their engineering capability and are looking for talented Software Engineers with a strong focus on Java to join a growing team. If you thrive in modern engineering environments and enjoy building scalable, high-quality services, this role will put your skills to work on meaningful, production-grade systems.
What You’ll Work On
You’ll be developing robust, secure, and efficient services using modern Java frameworks and tooling. Expect to contribute to API development, containerised applications, and cross-functional engineering initiatives.
Must-Have Skills
Nice-to-Have Skills
What You’ll Bring
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
Front Office C# Developer - Commodities DerivativesDay Rate: Up to £750/day (Umbrella)Duration: 6 months initiallyLocation: Marylebone - LondonWorking Arrangement: Hybrid - 3 days per week onsite
We’re looking for a Front Office C# Developer to join a London-based leading Global Markets business team supporting the end-to-end Commodities Derivatives trading platform panning pre-trade, pricing, risk, and post-trade through to accounting.
Key Responsibilities
Essential
Desirable
Reasonable Adjustments:
Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients.
If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
SENIOR WEB APPLICATION DEVELOPER – F# / ASP.NET Core / SQL / Web Development
F# / ASP.NET Core / SQL / React / Elmish / SAFE Stack
The Company:
A well-established and respected software development company, specialising in creating high-quality, web-based enterprise software for a range of clients within the health and social care sector.
The Role:
We are seeking an experienced Senior Web Application Developer to join our Core Engineering team. You will be responsible for designing, developing, testing, and supporting web-based enterprise software, primarily written in F#. Reporting to the Development Manager, you’ll collaborate with the team to analyze requirements, specify systems, and develop new features for existing systems or entirely new solutions. This role also involves managing small teams of developers for independent projects, driving best practices, and ensuring the delivery of high-quality software.
As a Senior Developer, you will also be involved in guiding clients to successful solutions, maintaining software dependencies, writing reports and queries for SQL databases, and ensuring proper packaging and delivery of software.
The Requirements:
Additional Experience (Desirable):
Why Apply:
WEB APPLICATION DEVELOPER – C# / F# / ASP.Net MVC / SQL / JavaScript C# / F# / ASP.Net MVC / SQL / JavaScript The company Long standing and respected Software House with a varied client base. The role Web Application Developer is required to design, develop, test and support (primarily) web-based enterprise software, written in C#. Reporting to the Development Team Leader you will analyse requirements, specify systems, features and processes as well as develop new features for existing systems or develop entirely new systems (usually in C# but possibly F#). Additionally you will write unit / integration / scenario tests for code (typically test-driven development) and reports and queries against SQL databases as well as ensuring software is packaged and delivered correctly. The requirements Possessing a 2;i or First Degree from a leading University (ideally Top 30 and not outside Top 50) preferably in a science / engineering / numerate discipline you will have least 1 year of hands-on C# development or other open-source software development which could have been obtained during university studies or your personal time. Additionally you must have experience of working on a website with SQL databases as backend. Experience of other web application frameworks such as ASP.Net MVC or Ruby on Rails would be useful as would unit / integration / system testing experience. Any experience of F#, JavaScript, Message Queuing, Service Orientated Architecture or Micro Services would be advantageous.
Lead Full Stack Java Developer - SC Cleared
NEW PERMANENT OPPORTUNITY FOR A LEAD FULL-STACK JAVA DEVELOPER IN LONDON WITH SC CLEARANCE
The Company
Join a specialist technology consultancy delivering complex, mission-critical projects across UK Government and national security sectors. You’ll be part of a collaborative, engineering-focused environment where innovation, reliability, and technical excellence drive everything they do.
Their teams work closely with public sector clients to design, build, and modernise secure systems that underpin national operations - tackling some of the most demanding challenges in government technology.
The Role
As a Lead Full Stack Java Developer, you will guide a small team of engineers while remaining hands-on in the design and development of high-performance, secure applications. You’ll play a key role across the full software lifecycle - from architecture and development to deployment and continuous improvement - ensuring solutions meet stringent performance and security standards.
You’ll work in a dynamic environment, collaborating with architects, DevOps specialists, and delivery leads to drive best practices and technical excellence across projects.
Key Responsibilities
Skills & Experience
Essential:
Desirable:
Why Apply?
If you’re an experienced Full Stack Java Developer with SC Clearance who thrives on tackling complex challenges and leading technical teams, this is a chance to make a meaningful impact on projects that truly matter.
Apply now to discuss this opportunity in more detail.
SENIOR SOFTWARE ENGINEER - eDV CLEARED
NEW PERMANENT JOB OPPORTUNITY AVAILABLE WITHIN A GLOBALLY LEADING NATIONAL SECURITY COMPANY FOR A SENIOR SOFTWARE ENGINEER WITH eDV CLEARANCE
WHO WE ARE?
We are recruiting Senior and Lead Software Engineers to work with a multi-national, industry leading National Security client in central London. Due to the nature of the work you must hold enhanced DV Security Clearance.
WHAT WILL THE SENIOR SOFTWARE ENGINEER BE DOING?
As a Senior Software Engineer, you will work with an experienced agile team to design and deliver packages of bespoke work, work development teams and liaise with customers. You will work through the entire software development life cycle from requirements capture to R&D, implementation to automation.
WE NEED THE SENIOR SOFTWARE ENGINEER TO HAVE….
IT WOULD BE NICE FOR THE SENIOR SOFTWARE ENGINEER TO HAVE….
TO BE CONSIDERED….
Please either apply by clicking online or emailing me directly to For further information please call me on . I can make myself available outside of normal working hours to suit from 7am until 10pm. If unavailable please leave a message and either myself or one of my colleagues will respond. By applying for this role you give express consent for us to process & submit (subject to required skills) your application to our client in conjunction with this vacancy only. Also feel free to connect with me on LinkedIn, just search Dominic Barbet. I look forward to hearing from you.
SENIOR SOFTWARE ENGINEER - DV CLEARED
KEY SKILLS:
SENIOR SOFTWARE ENGINEER / SENIOR SOFTWARE DEVELOPER / / LEAD SOFTWARE ENGINEER / JAVA DEVELOPER / JAVA ENGINEER / LEAD SOFTWARE DEVELOPER / SENIOR SOFTWARE DEVELOPER / DV CLEARED / DV CLEARANCE / DEVELOPPED VETTING / DEVELOPED VETTED / DEEP VETTING / DEEP VETTED / SC CLEARED / SC CLEARANCE / SECURITY CLEARED / SECURITY CLEARANCE
We are seeking an Intern Developer with strong communication skills and a keen interest in Financial Services. This role offers the opportunity to work closely with front office users, including traders and risk analysts, providing significant exposure to a variety of financial products. The ideal candidate will have experience in C# coding and a desire to rapidly expand their knowledge within the financial sector.
Key Responsibilities are, but are not limited to:
You will be part of a dynamic and collaborative work environment where CSR is embraced in our day-to-day business operation, innovation is encouraged and diversity is celebrated.
Minimal education level
Bachelor Degree / BSc Degree or equivalent
Academic qualification / Speciality
Experience
• Experience or knowledge in IT project management involving system changes, testing, and support
• Knowledge of FX cash and FX option products is desirable
Required skills
• Excellent written and verbal communication skills
• Ability to work effectively in a team and under pressure
Technical skills required
Senior Developer – FX Options Risk & Valuation Systems
We are seeking a highly capable Senior Developer to join our Front Office FX Options Technology team. This role involves hands-on work in building and enhancing systems used by the global FX Options Trading desk for risk, valuation, and real-time decision support. You will be working directly with Trading, Quant, and Technology colleagues across London, Hong Kong, and New York, contributing to a modern technology stack that includes TypeScript/React UI, C# services, PostgreSQL, and pricing services integrating with quant libraries.
Required Skills & Qualifications:
Nice to Have:
Day-to-day of the role:
The work includes small, fast-turnaround changes driven by trading needs and occasional larger initiatives requiring structured planning. You will often deliver a minimal viable change first, followed by strategic enhancements.
Key Responsibilities:
What We Offer:
To apply for this Senior Developer position, please submit your CV and cover letter detailing your relevant experience and why you are interested in this role.
Robert Half Technology are assisting a market leading financial services organisation to recruit a React Developer on a contract basis. Hybrid working - London based
Role
Profile
Company
Salary & Benefits
The salary range/rates of pay is dependent upon your experience, qualifications or training.
Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data:
Reed.ai is looking for a Senior Developer to join their team in Holborn, London.
Overview
Join a collaborative, forward-thinking team that values creativity, experimentation, and impact—and help redefine the future of recruitment through intelligent, human-centered technology.
We’re looking for a talented and experienced Senior Fullstack Developer to play a pivotal role in the development and growth of a brand-new AI recruitment platform as it prepares to enter the market this summer. This is a rare opportunity to take a product from Beta launch to full market release and beyond, shaping its trajectory at every stage.
You’ll be central to transitioning product development from an external agency to an in-house team, while driving technical excellence, user adoption, and long-term innovation. This is a chance to build something meaningful from the ground up—within a startup-style venture backed by the strength and stability of an established business.
Key Responsibilities
Skills and Experience
Minimum 8 years of commercial software development experience, with at least 3 years in a senior or technical lead role.
Proven expertise in full-stack development using:
Demonstrable experience building and scaling SaaS platforms in a production environment.
Strong understanding and practical application of Agile software development methodologies.
Hands-on experience integrating AI tools, APIs, or platforms into software solutions.
Domain experience in Recruitment Technology, HRTech, or closely related fields is a must.
Proficient in software architecture, microservices, RESTful API design, and cloud-native development (AWS, Azure, or GCP preferred).
Experience with CI/CD pipelines, automated testing, and DevOps practices.
Solid grasp of security best practices, data privacy, and GDPR compliance.
Excellent communication skills, with the ability to work effectively across multidisciplinary teams and stakeholders.
Strong problem-solving skills and a pragmatic approach to delivering solutions.
Desirable
Benefits
MarketAxess – a leading electronic trading platform in the US, European, and Asian markets – is hiring for a UK-based Software Engineering Apprentice to join the team supporting and developing our RFQ-hub platform.
This is an entry-level opportunity designed for someone who thrives in a fast-moving environment, enjoys problem-solving, and wants to build a career in software engineering. You’ll learn from experienced engineers while contributing to real production services, with a structured training program and protected time for off-the-job learning.
What you’ll do (with support):
Production support & operational learning:
Operations-driven software development:
Integration & connectivity (exposure):
What we’re looking for:
Entry requirements:
You may also have a combination of qualifications and experience which demonstrate the minimum foundation needed for the programme. In this instance you could still be considered for the programme.
If you hold international equivalents of the above qualifications, at the time of your application you must be able to provide an official document that states how your international qualifications compare to the UK qualifications.
For more information please visit the UK ENIC website.
Working hours: 37.5 hours per week
What you can expect from us:
Future prospects:
90% of QA apprentices secure permanent employment after completing: this is 20% higher than the national average.
About QA:
Our apprenticeships are the perfect way to gain new skills, earn while you learn, and launch yourself into an exciting future. With over 50,000 successful apprenticeship graduates, we’re a top 50 training provider, dedicated to helping you succeed.
Interested? Apply now!
Please be advised that this advert may close prior to the closing date stated above if a high number of applications are received. If you are interested in this vacancy please apply below as soon as possible.
The Skills You’ll Need: SharePoint Developer, DevOps. CSS, JavaScript, jQuery and HTML5
Your New Salary: UP TO £490 per day (umbrella)
Hybrid (3 days onsite and 2 day a week from home (it might change in the beginning for training purpose)
Temp for 6 Months initially. All roles will be rolling contracts up to 2yrs
Start: ASAP
SharePoint Office 365 Developer - What You’ll be Doing:
SharePoint Office 365 Developer - The Skills You’ll Need to Succeed:
Please follow us on Linkedin: company/people-first-team-japan
We would be grateful if you could send your CV as a Word document. If your application is successful, you will be contacted within 7 days. We regret that due to the high volume of applications we receive we cannot provide feedback on individual CVs. Please note that we can only consider candidates who are eligible to work in the UK and are able to provide relevant supporting documentation.
People First is committed to increasing diversity, and maintaining an inclusive workplace culture. We welcome applications from all qualified candidates regardless of their ethnicity, race, gender, religious beliefs, sexual orientation, age, marital status or whether or not they have a disability.
People First (Recruitment) Limited acts as an employment agency for permanent and fixed term contract recruitment and as an employment business for the supply of temporary workers. Please note that by applying for this job you accept our Terms of Use and Privacy Policy which can be found on our website.
Job Title: ServiceNow Developer
The Skills You’ll Need: ServiceNow, CIS-CSM certification
Your New Salary: £45-65 per hour
Hybrid
12 months Agency Temp
Start: ASAP
Working hours: 40 hours/wk
ServiceNow Developer - What You’ll be Doing:
This role is hands-on engineering to deliver ServiceNow solutions.
ServiceNow Developer - The Skills You’ll Need to Succeed:
Please follow us on Linkedin: company/people-first-team-japan
We would be grateful if you could send your CV as a Word document. If your application is successful, you will be contacted within 7 days. We regret that due to the high volume of applications we receive we cannot provide feedback on individual CVs. Please note that we can only consider candidates who are eligible to work in the UK and are able to provide relevant supporting documentation.
People First is committed to increasing diversity, and maintaining an inclusive workplace culture. We welcome applications from all qualified candidates regardless of their ethnicity, race, gender, religious beliefs, sexual orientation, age, marital status or whether or not they have a disability.
People First (Recruitment) Limited acts as an employment agency for permanent and fixed term contract recruitment and as an employment business for the supply of temporary workers. Please note that by applying for this job you accept our Terms of Use and Privacy Policy which can be found on our website.