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Mobile Backend Developer (JAVA/Kotlin) 6 Month contract initially Based: Manchester - Max 3 days Onsite Rate: £Market rates (via Umbrella company) We have a great opportunity with a world leading organisation where you will be provided with all of the support and development to succeed. A progressive organisation where you can really make a difference. We have a great opportunity for a Mobile Backend Developer (JAVA/Kotlin) to join the team. Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster a developer community within your domain. The role involves mentoring junior staff, ensuring high-quality deliverables, promoting best practices like TDD and BDD, and leading engineering practices across the SDLC. Key Responsibilities: * Provide advanced technical expertise in Backend Development, supporting the team with effective solutions and practical insights. * Participate in all phases of the Software Development Life Cycle (SDLC), including requirements gathering, development, deployment, and ongoing maintenance. * Demonstrate a commitment to keeping up with industry trends, emerging technologies, and best practices, actively applying them in your work. * Contribute new ideas, tools, and methodologies to help foster a culture of continuous improvement and innovation within the team. * Share knowledge and mentor peers and junior engineers, supporting their growth and skills development. * Collaborate with technical leads, IT teams, and business stakeholders to understand project requirements, implications, and dependencies. * Review and provide feedback on technical documentation, suggesting improvements where appropriate. * Promote and practice best development approaches such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD) to deliver high-quality, maintainable code. * Apply design patterns to address complex problems, ensuring code is efficient, readable, and reusable. * Adhere to IT and Information Security policies and procedures in all engineering activities. Key Skills & Experience: * Preferred - Experience of building distributed scalable microservices using Java/Kotlin, Spring Boot, OAuth 2.0, Secure API design * Understanding of API design for mobile application with event driven architecture * Strong analysis and problem-solving skills * Knowledge of the financial services industry * Other technologies/areas: AWS, API Design, Automation testing This is an excellent opportunity on a great project of work, If you are looking for your next exciting opportunity, apply now for your CV to reach me directly, we will respond as soon as possible. LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Dans le cadre d'un renforcement , nous recherchons un développeur backend senior à Nantes. Le profil attendu doit être techniquement solide, avec une capacité de recul et d'accompagnement sur son métier. Vous rejoindrez une équipe en cours de formation avec 1 PO, 4 développeurs dont 1 lead, 1 QA, 1 Scrum Master, accompagné d'un expert fonctionnel et d'un ops. Les principales missions : - S’investir dans la vie de l’équipe, dans un cadre agile, et accompagner les autres membres grâce à votre expertise. - Concevoir, développer et livrer des solutions robustes, performantes et sécurisées. - Traduire des exigences fonctionnelles complexes en solutions techniques et les challenger si nécessaire. - Développer et améliorer les fonctionnalités en lien avec les besoins des applications clientes de distribution de mobilités. - Travailler en autonomie sur tout type de sujet backend. - Garantir la qualité et l’exploitabilité en production (tests, monitoring, alerting, résolution d’incidents). - Participer activement à l’intégration continue, aux déploiements et à l’usine logicielle. - Accompagner les autres développeurs de l’équipe. - Collaborer efficacement avec les équipes techniques, produit et architecture, ainsi qu’avec l’écosystème transverse (sécurité, enterprise architects, autres équipes de delivery) afin d’assurer la cohérence technique et fonctionnelle. - S’approprier les enjeux métier liés au marché des mobilités afin de concevoir des solutions pertinentes dans un environnement fonctionnel et technique complexe.

Kotlin Developer Our client is looking for a software developer with experience of Kotlin. You will have Extensive experience in implementing server-side application development, maintenance and Enhancement using Kotlin and Ktor Framework. Technical skills include: Kotlin, Ktor framework, AWS integration, Postgres databases, Gradle build tool. Responsibilities: * Responsible to implement, maintain and enhance application. * Responsible to perform end to end architecture and design. * Responsible to fine tune performance, deliver quality code and develop test case automation. The role is based on a hybrid working model, 2 days onsite in London and 3 days from home each week. The contract is for 3 months initially outside IR35. To be considered please send your latest CV LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Votre mission : Votre mission principale sera de réaliser des audits de code dans différents langages (Java, PHP, Python, C#, JavaScript, Swift, Kotlin, etc) Participer à de la rétro-ingénérie de charges malveillantes (analyse statique et dynamique) Collaborer avec les consultants sur différents types d'audits: test d’intrusion, audit d’architecture, audit de configuration, audit organisationnel Participer à des missions « Redteam » et des campagnes de « Phishing » Prendre part à la R&D de nos outils internes Rédiger ponctuellement des articles pour des magazines spécialisés et prendre part à des conférences Partager vos connaissances et vos découvertes avec les équipes Participer aux phases d’avant-vente pour cadrer le besoin technique

As a Java Developer you will be a key member of Development Guild within CDIO B&T Engineering team where part of your main task will be developing, designing and providing maintenance support of software products that meet our clients need by closely working in collaboration with other delivery groups and stakeholders throughout IT service development and delivery life cycles. Responsibilities Your responsibilities will include: Proposing, designing and building complex program solutions from supplied requirement specifications. Defining the software modules that comprise an integration build. Producing a build definition for generation of the software. Collaborating with other stakeholders in reviewing supplied requirement specifications. Managing competing priorities and documenting deliverables in accordance with agreed standards. Designing, implementing and operating controls and management strategies to maintain the security, confidentiality and integrity of information systems. Reporting task outcomes to stakeholders in a clear and concise manner. Support and maintenance of live services developed on legacy and/or modern technologies. Planning, designing and conducting tests of programs to deliver error-free systems. Coaching, mentoring and/or line management of junior colleagues. The post holder will work normal office hours and during the first three months they might be required to occasionally attend the office outside of normal working hours (e.g. to support software releases) and/or shadow a colleague already providing on-call support on an ad-hoc basis. On completion of 3 months in post, the post holder might then be required to provide part of a 24/7 on-call Rota.

L’entreprise souhaite renforcer son pôle technologique lyonnais en intégrant un Expert Craft capable d’incarner et de diffuser une culture d’excellence technique auprès des équipes et des clients. Cette mission intervient dans un contexte de forte exigence sur la qualité logicielle, l’industrialisation des pratiques de développement, et l’accompagnement des projets critiques portés par des grands comptes comme par des scale-ups en pleine croissance. L’Expert Craft jouera un rôle clé dans l’audit des solutions existantes, la mise en place de standards de haut niveau (Clean Code, architecture propre, tests avancés), ainsi que dans la structuration d’une vision technique durable. Il contribuera à définir les orientations technologiques tout en soutenant activement les équipes de développement dans leur montée en compétence

Nous recherchons pour l'un de nos clients un Développeur Fullstack Senior H/F à Nantes pour une mission démarrant dès que possible. Vous avez des connaissances solides en Kotlin/Java/Spring pour rejoindre l'équipe User Engagement. Vous concevez, développer, déployer et maintenez les fonctionnalités back afin de répondre aux exigences fonctionnelles exprimées dans le cadre de la conception de solutions ou d'applications. Vous intervenez sur la partie "back" des applications, mais aussi sur la partie CI/CD et sur l'infra as code. Vous maîtrisez des langages de développement back, ainsi que les framework les plus utilisés et les bonnes pratiques de développement de ces deux parties. Vos missions : • Développement de code Java et Kotlin et de tests : unitaires, d'intégration et end-to-end. • Revues de code. • Réalisation et rédaction d'études de conception technique. • Analyse d'anomalies & support aux problèmes d'exploitation; Capacité à investiguer la source d'un bug. • Contribution aux respects de critères d'acceptance d'une release. • Participation aux cérémonies agiles : daily meeting, estimation des tâches, rétrospective d'équipe. Participation à la qualité, la résilience, et la sécurité de l'application

Introduction et résumé : Nous recherchons un Développeur Backend Java/Kotlin/React expérimenté, avec un minimum de 5 à 6 ans d'expérience. Ce rôle implique la création et la maintenance de services essentiels au sein d'une architecture moderne. Les candidats doivent être à l'aise avec Java, Kotlin et des technologies front-end React. Une capacité à travailler en anglais est requise, bien que le niveau ne doive pas être fluide. Principales responsabilités : Création du service d’intégration entre un orchestrateur de réservations. Lead dans l’implémentation du projet api-tests automatises (Postman). Maintenance évolutive, incluant la correction de bugs et l'ajout de nouvelles fonctionnalités. Mise à jour des composants et refactoring selon les besoins. Migration du composant de chiffrement des moyens de paiement. Compétences clés requises : Java / Spring Boot (70 à 80%). Kotlin. React (30 à 10%). Micro-services : Soap / Rest. Base de données : SQL. Json. Cloud AWS. Atouts appréciés : Aisance dans la gestion de l'approche Domain Driven Design. Connaissance des patterns de développement web modernes. Expérience avec des outils d'intégration continue. Capacité à travailler en équipe et à prendre des initiatives. Autres détails : Démarrage ASAP pour une durée de 24 mois minimum avec un mélange de travail sur site (1 jour) et en télétravail (4 jours). Un environnement de travail dynamique et innovant vous attend.

🏭 Secteurs stratégiques : Banque d’investissement 🗓 Démarrage : ASAP PAS DE FULL REMOTE NI SOUS TRAITANCE MERCI 💡 Contexte /Objectifs : Au sein de l'équipe IT Equity Market Transverse en charge des applications : - référentiel produits Equity : agrégation et centralisation des données de différents provider autour des produits equity) - application qui gère les descentes d'executions et les reportings associés) La mission sera en majeur sur d'executionet reporting. Le projet consiste à faire évoluer l'application en lien avec le changement de version du software Market access en amont avec descente des executions pour booking dans le système front Sophis Equity. Le projet nécessite une réécriture partielle de l'application sur les modules de connexions et aux exchange via protocole FIX pour récupération des exécutions marchés et broker.

Java Developer Knutsford with Hybrid working £330 inside IR35 per day Required Skills and Experience: - Strong proficiency in Core Java programming with at least 5+ years of hands-on development experience - Extensive experience with Spring Framework (Spring Boot, Spring MVC, Spring Security) - Solid understanding of ORM frameworks, particularly Hibernate - Experience working with relational databases (MySQL, PostgreSQL, Oracle, etc.) - Familiarity with CI/CD pipelines and tools, specifically GitLab CI - Demonstrated experience in production support environments, including L3 support and troubleshooting production issues - Ability to analyze and resolve complex technical problems in live environments - Experience with version control systems (Git) ## Highly Valued Additional Skills: - Experience with AI-powered coding tools such as GitLab Duo, GitHub Copilot, or similar AI coding assistants - Knowledge of microservices architecture and RESTful API design - Experience with containerization technologies (Docker, Kubernetes) - Understanding of agile development methodologies - Experience with test-driven development and automated testing frameworks ## Responsibilities: - Design, develop, and maintain Java-based applications using Spring and Hibernate - Collaborate with cross-functional teams to define, design, and ship new features - Optimize application performance and scalability - Troubleshoot and resolve production issues as part of L3 support rotation - Participate in code reviews and contribute to technical documentation - Implement and maintain CI/CD pipelines using GitLab - Ensure code quality, reliability, and security through best practices ## Qualifications: - Bachelor's degree in Computer Science, Engineering, or related field (or equivalent practical experience) - Strong problem-solving skills and attention to detail - Excellent communication and teamwork abilities LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

**INSIDE IR35 £284 P/D, 2 DAYS ONSITE IN GLASGOW** * Technical Troubleshooting * Continuous Learning Software * Design Strategic Thinking * Change and Transformation * Digital and Technology * Computer Programming Teamwork * Secure Coding Practices * Test Automation Communication * Business Acumen Problem Solving * Tools Risk and Controls Additional Information for role: To be successful as an AVP Java developer, you should have experience with: * Core Java development * Test-driven development * Linux Scripting * Reviewing of other people's and AI-generated code * data engineering project Some other highly valued skills may include: * AI Prompt Engineering for code generation * Docker / Kubernetes * Hadoop (HDFS, HBase, Kafka, Spark etc) LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.

Nous recrutons un( e) consultant( e) ayant des expériences significatives sur Kubernetes On Premise pour intégrer les équipes de notre client parisien. MISSIONS: - Accompagnement des équipes de développement pour Dockeriser leurs applications - Réalisation de script shell et python - Réalisation de playbooks et de rôles ansible - Réalisation de déploiements Terraform - Une solide expérience "on premise" - Réalisation de pipeline groovy sur jenkins - Réalisation de chart Helm - Documentation des script d'automatisation - Assistance et support des équipes de développement - Communication avec les équipes d'infrastructure - Reporting

At CGI, you’ll play a key role in shaping mission-critical technology that supports some of the UK’s most important national functions. Joining our HOMBRE team, you will help deliver intelligent, event-driven solutions that improve decision-making across government, empowering teams with accurate, real-time insight. You’ll work in a collaborative environment where you can take ownership of meaningful challenges, contribute creative ideas to modern engineering approaches, and be supported by a community that values your growth. This is an opportunity to influence high-impact digital services, evolve complex rule-based systems, and build solutions that make a measurable difference across the Home Office landscape. 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. Due to the secure nature of the programme, you will need to either hold, or be willing and eligible to undergo, UK Security Clearance. This is a hybrid position.

Contexte : Dans un contexte de croissance, nous recherchons un·e alternant·e issu·e d’une école d’ingénieur (BAC+4/5) souhaitant se spécialiser dans le business développement de prestations intellectuelles IT. Vous travaillerez aux côtés d’un Ingénieur d’Affaires Senior, qui assurera votre montée en compétence progressive sur le métier. Cette alternance constitue une opportunité unique pour comprendre en profondeur le fonctionnement d’une ESN, développer vos compétences commerciales et évoluer sur un périmètre à forte dimension humaine et stratégique. Missions et Responsabilités : Développement commercial - Prospecter et cartographier le territoire commercial sur la région parisienne. - Identifier, ouvrir et développer de nouveaux comptes clients. - Élaborer une stratégie de comptes adaptée aux enjeux identifiés. - Conduire des rendez-vous commerciaux (qualification besoins, cadrage, négociation). - Construire et négocier les propositions commerciales ainsi que les contrats collaborateurs. Gestion des opportunités - Mener à bien des opportunités liées à nos offres : Assistance Technique, Centres de Services, Forfaits, Workpackage … - Suivre l’avancement des cycles de vente en lien avec les équipes internes. - Relation clients & management RH - Assurer le suivi régulier des comptes confiés. - Accompagner les collaborateurs en mission : points-mission, suivi opérationnel, formation, entretiens annuels. - Travailler en étroite collaboration avec l’équipe Recrutement pour le sourcing, la présélection et la qualification des candidats. Pilotage & reporting - Garantir un reporting fiable et régulier de l’activité commerciale et managériale à la Direction. - Participer à l’amélioration continue des outils, process et pratiques internes.

Dans le cadre du renforcement de son équipe technique travaillant sur des architectures backend complexes et fortement distribuées, notre client recherche un Développeur Backend Kotlin pour intervenir sur des environnements microservices à grande échelle, avec de forts enjeux de performance et de scalabilité. Cette mission s’inscrit dans un contexte cloud-native, avec une exposition à la fois sur Azure et AWS, au sein d’une organisation technique mature, structurée et orientée qualité industrielle. Vos missions : * Développer et maintenir des microservices backend en Kotlin dans un écosystème très fortement distribué * Intervenir sur des architectures impliquant un grand nombre de microservices interconnectés * Participer à la conception technique et aux choix d’architecture liés à la scalabilité, la résilience et la performance * Concevoir des APIs robustes, capables de supporter des volumes de charge élevés * Travailler sur des problématiques de montée en charge, de latence et de stabilité * Participer activement aux revues de code et aux bonnes pratiques d’ingénierie * Collaborer étroitement avec les équipes produit, DevOps et plateforme Les compétences techniques * Langage : Kotlin * Architecture : Microservices à grande échelle * Cloud : Azure & AWS * APIs : REST * Méthodologie : Agile / Scrum * Environnements à fort trafic et forte volumétrie

***REMOTE OCCASIONAL TRAVEL TO LONDON*** **INSIDE IR35** You will be part of the team that will be responsible for developing and maintaining features for the Android variant of an undisclosed App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also maintaining existing features. You will be involved throughout the entire product lifecycle being chiefly responsible for producing high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Responsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the App's Android application using Kotlin. - Create appropriate unit and integration tests for your work. - Write clean, maintainable and eNicient code, which follows best practices and coding standards. - Optimise solutions for performance and speed to provide an excellent user experience. - Ensure the application meets the Google Play store requirements. - Work closely with UI/ UX designers to ensure the application implements a consistent visual intuitive design. - Support what you deliver in production. The ideal candidate must: - Have 5+ years' experience of Android development using Kotlin and Android Studio. - Be passionate about mobile development, keeping up to date with the latest Android development trends and best practices. - Have a good understanding of Android design principles and interface guidelines. - Be someone who embraces collaboration when building solutions. - Have a good understanding of MVVM Architecture and associated design patterns. - Be able to apply SOLID principles to improve the code structure, quality and maintainability. - Have a DevOps mindset, understanding how software and infrastructure work together. - Have a good understanding of continuous integration, continuous delivery and how these are implemented via the use of pipelines. - Proactively look for solutions to any issues that arise in your domain. - Have experience with troubleshooting/ debugging application bugs and making performance improvements. - Have experience with using Gradle. - Have an understanding of mobile app analytics and its use to maintain stable, crash free applications. - Have knowledge of using Jetpack Compose. - Have experience with using native OS features such as push notifications, Health Connect and Intents. - Have experience of integrating with RESTful APIs. - Experience in handling concurrency (e.g. background tasks/ network activity without blocking the UI thread) Nice to have - Understanding the compilation process and how the code gets converted into an executable. - Knowledge or experience of using FHIR. - Understanding of good memory management practices, handling reference counting and/ or garbage collection LA International is a HMG approved ICT Recruitment and Project Solutions Consultancy, operating globally from the largest single site in the UK as an IT Consultancy or as an Employment Business & Agency depending upon the precise nature of the work, for security cleared jobs or non-clearance vacancies, LA International welcome applications from all sections of the community and from people with diverse experience and backgrounds. Award Winning LA International, winner of the Recruiter Awards for Excellence, Best IT Recruitment Company, Best Public Sector Recruitment Company and overall Gold Award winner, has now secured the most prestigious business award that any business can receive, The Queens Award for Enterprise: International Trade, for the second consecutive period.