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Contractor job
Mobile Backend Developer (JAVA/Kotlin)
LA International Computer Consultants Ltd
Published on
6 months
£425-525
M6 7WQ, Salford, England, United Kingdom
Mobile Backend Developer (JAVA/Kotlin) 6 Month contract initially + Extensions Based: Hybrid - 2-3 days onsite in Manchester Rate: £425 - £525 p/d - (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. We are 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.
Contractor job
Android Developer
Ahead Digital
Published on
Android
Kotlin
Mobile application
12 months
Brussels, Brussels-Capital, Belgium
We our looking for someone who will gather business requirements around functionality and translate those requirements into simple but effective Android solutions, designing mobile user interfaces. Your objective : developing Android applications to enhance mobile user experience for one of the biggest bank & insurance company in Europe. This assignment is a full-time freelance contract, to be filled promptly. On a day-to-day basis, you will be in charge of : Understanding business needs & project requirements Analyze the business requirements. Gather specifications and requirements based on technical needs and translate them into reliable Kotlin code Developing application Design and build advanced hybrid applications for Android platforms Create compelling mobile device specific user interfaces and experiences optimizing performance for the apps /web. Collaborate with cross-functional teams to define, design, and ship new features. Work on bug fixing and improving application performance. Help maintain code quality, organization, and automatization Communicating about the project Attend client/team meetings during development process. Communicate to the Project Manager with efficiency and accuracy any progress and/or delays. Engage in outside-the-box thinking to provide high value-of-service to clients. Monitoring technology Keep up to date on the latest industry trends in the mobile/web technologies. Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Job Vacancy
QA Engineer
Rise Technical Recruitment Ltd
Published on
£55k-70k
SW1A 2AH, City of Westminster, England, United Kingdom
QA Engineer (Manual Testing) Remote £55,000 - £70,000 DOE + Private Healthcare & Benefits This is an excellent opportunity for a QA Engineer to take ownership of the manual testing lifecycle for a B2B SaaS platform. If you thrive in environments where your work has a direct impact on accessibility and social mobility, this role offers the chance to lead release confidence across global web and mobile applications. This company is a Series A startup, breaking down barriers and making the world more accessible for everyone. Originally founded within the UK transport sector, they have developed award-winning, innovative solutions that prioritise dignity, safety, and inclusion for millions of users. In this varied role, you will move between established legacy projects and fast-moving greenfield expansions, ensuring that the data syncs perfectly between a Ruby on Rails backend and native iOS/Android client devices. You will embed yourself in the design phase to strengthen acceptance criteria before code is even written. The ideal candidate will be a process-driven QA professional with a deep understanding of web and mobile, such as offline modes and location services. You should be comfortable navigating a technical stack (Vue.js, Ruby, Swift, Kotlin) and have a proven track record of using tools like TestRail or Jira to bring clarity and structure to regression testing. This is a fantastic opportunity to join a purpose-led business during a period of international scaling. You will have the autonomy to decide what requires a manual pass and what should be handed to SDETs for automation, ultimately serving as the final gatekeeper for releases that millions will rely on. The Role: Lead the end-to-end testing lifecycle for web and mobile applications. Act as the final partner for Engineering, conducting rigorous smoke tests and regression passes to ensure high reliability. Maintain and expand the TestRail repository. Participate in design sessions to clarify acceptance criteria before a single line of code is written. The Person: Strong experience in manual QA for web and mobile, with the ability to navigate Ruby on Rails and Vue.js. Deep proficiency in native iOS (Swift) and Android (Kotlin) testing, including location services and offline mode constraints. A proven track record of improving QA workflows and using tools like TestRail and Jira for release. Experience testing SaaS platforms with complex user permissions, ideally within the Transport, Logistics, or Government sectors. Reference Number: BBBH270420 Rise Technical Recruitment Ltd acts an employment agency for permanent roles and an employment business for temporary roles. The salary advertised is the bracket available for this position. The actual salary paid will be dependent on your level of experience, qualifications and skill set and will be decided by our client, the employer. Rise are not responsible or liable for any hiring decisions made by the end client. We are an equal opportunities company and welcome applications from all suitable candidates.
Contractor job
MOBILE ARCHITECT
LA International Computer Consultants Ltd
Published on
6 months
£450-600
Newcastle upon Tyne, United Kingdom
REQUIRED: MOBILE ARCHITECT DURATION: 6 MONTH INITIAL CONTRACT IR35 STATUS: OUTSIDE LOCATION: FULLY REMOTE WITH VERY OCCASIONAL TRAVEL ROLE SUMMARY The Mobile Technology Architect is responsible for defining, owning, and governing the end-to-end mobile architecture for large-scale enterprise applications. This role spans iOS, Android, backend integration, AWS cloud platforms, security, and CI/CD, ensuring scalable, secure, and high-performing mobile solutions from concept through production. KEY RESPONSIBILITIES * Define and own mobile application architecture across iOS and Android platforms using Swift, SwiftUI, Kotlin, and Java. * Establish and govern architectural patterns such as MVVM, Clean Architecture, and modular design. * Design and validate backend integration patterns with scalable microservices built using Scala, Akka, or Java. * Define API contracts (REST ), error handling, versioning, and backward compatibility strategies. * Architect cloud-native solutions on AWS, including EC2, S3, Lambda, API Gateway, IAM, and networking. * Ensure secure authentication and authorization using OAuth2, OpenID Connect, JWT, and encryption standards. * Lead mobile CI/CD strategy using Bitrise, Jenkins, and GitHub Actions for build, test, and release automation. * Define push notification architecture using Firebase Messaging, including deep links and analytics tagging. * Drive performance, scalability, observability, and resilience across mobile and backend systems. * Lead technical reviews, mentor engineers, and provide architectural governance across teams. * Evaluate new technologies, run POCs, and recommend best-fit solutions in a technology-agnostic manner. * Support App Store and Play Store release strategies, versioning, and rollout controls. SKILLS AND TECHNICAL EXPERTISE * Strong expertise in Android development using Kotlin and Java. * Strong expertise in iOS development using Swift and SwiftUI. * Deep understanding of mobile architecture patterns such as MVVM and Clean Architecture. * Proficiency in designing and integrating backend microservices using Scala, Akka, or Java. * Hands-on experience with AWS cloud services and cloud-native design principles. * Strong knowledge of CI/CD pipelines and automation tools including Bitrise . * Expertise in API design, contract-first development, and system integration. * Strong foundation in application and mobile security best practices. * Experience with Firebase Messaging and mobile analytics. * Familiarity with containerization and orchestration technologies such as Docker and ECS. * Experience with Git-based version control and collaborative development workflows. * Knowledge of observability tools for logging, monitoring, and tracing. 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.
Contractor job
Senior Python developer H/F
HAYS France
Published on
4 months
€500-600
Luxembourg
Responsabilités clés : Our core technical stack is mainly Java, Spring and Angular with cloud-based environments using Docker and Kubernetes. Depending on the context, some of our teams also use MongoDB, Kafka, Python, RabbitMQ, Elastic Search, PostgreSQL, Kotlin, … As full-stack software engineer, your mission will be to: Deliver shippable features as part of our Scrum teams Suggest, influence, develop and implement innovative solutions to improve and enrich our software solution portfolio Depending on your experience, accompany and coach junior developers in your area of expertise
Contractor job
Medior Java & Python developer H/F
HAYS France
Published on
4 months
€500-600
Luxembourg
Responsabilités clés : Our core technical stack is mainly Java, Spring and Angular with cloud-based environments using Docker and Kubernetes. Depending on the context, some of our teams also use MongoDB, Kafka, Python, RabbitMQ, Elastic Search, PostgreSQL, Kotlin, … As full-stack software engineer, your mission will be to : Deliver shippable features as part of our Scrum teams Suggest, influence, develop and implement innovative solutions to improve and enrich our software solution portfolio Depending on your experience, accompany and coach junior developers in your area of expertise
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