Find your next tech and IT Job or contract Back-end

278 results
Contractor
Permanent

Job VacancyDéveloppeur Android (H/F)

SKOTT GROUP SAS
Published on
CI/CD
Firebase
Git

3 years
19k-34k €
200-310 €
Le Mans, Pays de la Loire
Conception et développement d'applications mobiles natives Android dans un écosystème digital et retail. Dans le cadre du développement et de la maintenance de son écosystème applicatif mobile, l'entreprise renforce son équipe de développement Android. Rattaché à l'équipe mobile, le consultant conçoit, développe et fait évoluer des applications Android natives à destination des utilisateurs internes et/ou des clients, dans un environnement exigeant en matière de qualité, de performance et d'expérience utilisateur. Il intervient sur l'ensemble du cycle de vie applicatif — de la conception technique à la mise en production — en collaboration avec les Product Owners, les designers UX/UI, les équipes back-end et les autres développeurs mobiles. Missions principales : - Concevoir et développer des applications Android natives en Kotlin, en appliquant les bonnes pratiques d'architecture (MVVM / Clean Architecture) et les standards de l'équipe - Développer les interfaces avec Jetpack Compose (et/ou XML sur le legacy) en lien étroit avec les maquettes UX/UI et le design system - Intégrer les données via des API REST (Retrofit / OkHttp), gérer l'asynchronisme (Coroutines / Flow) et la persistance locale (Room / DataStore) - Écrire des tests unitaires et instrumentés (JUnit, Espresso) et garantir la couverture et la non-régression - Participer à l'intégration et au déploiement continus (CI/CD), à la publication sur le Play Store et au suivi de la qualité (crash reporting, monitoring, performances) - Contribuer aux revues de code, au partage de bonnes pratiques et à l'amélioration continue de la base de code - Participer aux cérémonies agiles (sprint planning, daily, review, rétrospective) et estimer / documenter ses développements Environnement technique : Kotlin, Java, Jetpack Compose, Android SDK, Material Design, Coroutines, Flow, Retrofit, Room, Git, CI/CD, Firebase, Play Store.
View this job
Fixed term

Job VacancyLead AI Engineer

LA International Computer Consultants Ltd
Published on

7 months
SW1A 2AH, City of Westminster, England, United Kingdom
Lead AI Engineer £560 per day (Inside IR35) | 12-Month Contract | Remote with Occasional London Travel We are seeking an experienced Lead AI Engineer to join a high-profile government programme, leading the design and delivery of AI-enabled digital services and platforms. This role will provide technical leadership across multidisciplinary teams, shaping architecture, engineering standards, and AI implementation strategies while supporting the development of scalable, secure, and user-focused solutions. Key Responsibilities * Lead the design and delivery of AI-enabled digital products, platforms, and services * Provide technical leadership to front-end, back-end, and AI engineering teams * Define and implement solution architecture, engineering standards, and best practices * Drive the integration of Generative AI, LLMs, and machine learning capabilities into production services * Work closely with senior stakeholders, product teams, architects, and delivery leads to align technical solutions with business objectives * Mentor and develop engineering teams, fostering a culture of innovation and continuous improvement * Ensure solutions meet government requirements for security, accessibility, scalability, and resilience * Support technical governance, architecture reviews, and delivery planning activities Essential Skills & Experience * Significant experience in a Lead Engineer, Principal Engineer, Technical Lead, or AI Engineering Lead position * Proven experience delivering AI-enabled products and services in complex enterprise environments * Strong software engineering background across modern front-end and back-end technologies * Experience designing and implementing cloud-native architectures within Azure, AWS, or GCP * Strong understanding of Generative AI, LLMs, AI orchestration frameworks, and enterprise AI integration patterns * Experience leading multidisciplinary engineering teams through the full software delivery lifecycle * Excellent stakeholder management and communication skills * Previous experience delivering technology solutions within UK Government or Public Sector environments (essential) * Eligible to obtain and maintain BPSS clearance Desirable Experience * Experience delivering AI-enabled mobile applications * Knowledge of MLOps, DevSecOps, CI/CD, and Infrastructure as Code * Experience with vector databases, Retrieval-Augmented Generation (RAG), and AI agent frameworks * Exposure to GDS standards and government digital delivery practices Contract Details * Role: Lead AI Engineer * Rate: £560 per day * IR35: Inside IR35 * Duration: 12 months * Location: Remote, with occasional travel to London * Clearance: BPSS Eligible * Start Date: ASAP LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance. A multiple award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over consecutive years. We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. Please Note: If a high volume of applications is received, only candidates shortlisted will be contacted.
View this job
Permanent

Job VacancyProject Manager – Space and Satellite Communications

CGI
Published on

Leatherhead, England, United Kingdom
The Space, Defence and Intelligence business unit in CGI is a true IT Systems Integrator. We work, build, and operate bespoke, technically complex, mission-critical systems which help our clients keep us all safe and secure. We bring innovation to our clients using proven and emerging technologies, agile delivery processes and our deep expertise across the breadth of space, defence, intelligence, aerospace and maritime, all underpinned by our end-to-end cyber capability. We work collaboratively with global technology companies, cutting edge SMEs and academia to deliver the optimal solution for each client. CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching) which makes you a CGI Partner not just an employee. We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Shape the future of space and satellite communications with CGI. As a Project Manager, you'll lead high-impact projects across our Space business, helping deliver the ground segment capabilities behind advanced satellite missions while exploring emerging technologies including AI, 5G/6G and next-generation communications. Working with ESA, satellite operators, technology partners and multidisciplinary CGI teams, you'll take ownership from early ideas through successful delivery, turning ambitious concepts into measurable outcomes. You'll have the freedom to bring fresh thinking to complex challenges, build strong client relationships and identify opportunities for future growth, backed by a collaborative community of experts committed to helping you develop your career and make a lasting impact. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance. This is a hybrid position based in either Reading or Leatherhead.
View this job

Contract roles and jobs for Back-end

Fullstack Developer

The fullstack developer is proficient in both back-end and front-end development, creating complete solutions, including APIs and the databases required for the application.

Solutions Architect

The solutions architect designs robust back-end architectures to meet application requirements, integrating web services, databases, and distributed systems.

DevOps Engineer (Cloud)

The DevOps engineer automates and optimizes back-end processes using modern tools and Cloud environments, ensuring an efficient and scalable infrastructure.

API Developer

The API developer creates programming interfaces (APIs) that allow front-end applications to communicate efficiently with the back-end, facilitating data exchange between systems.

Connecting Tech-Talent

Free-Work, THE platform for all IT professionals.

Free-workers
Resources
About
Recruiters area
2026 © Free-Work / AGSI SAS
Follow us