Find your next tech and IT Job or contract Java Developer (Kotlin, Groovy...)

The Java developer is a web and application development professional specialized in using Java, a server-oriented programming language. They are also called: Java programmer, Java programmer-analyst, Java software development engineer. This IT technician analyzes the specifications provided by the client to identify a technical solution that meets their technical and functional requirements point by point. They are then responsible for custom designing all or part of the computer program in Java. Then comes the trial and testing phase of the applications. Once the program is operational, they can proceed with writing technical documentation and user guides. The Java developer can progress towards supervisory positions, project manager, IT technical manager or even a commercial career.

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Fixed term

Job VacancyDataState Data Engineer

LA International Computer Consultants Ltd
Published on

7 months
SW1A 2AH, City of Westminster, England, United Kingdom
Job title: DataStage Data Engineer Location: London (Hybrid) Day Rate: £514.00 per day Contract Length: 12 Months IR35 Status: Inside IR35 Public Sector Overview An exciting opportunity is available for an experienced DataStage Data Engineer to join a high-profile programme delivering complex data integration and migration solutions within a large-scale enterprise environment. The successful candidate will play a key role in designing, developing, and supporting robust data pipelines, ETL processes, and data warehouse solutions using a range of AWS and enterprise data technologies. This role requires a strong technical background in data engineering, ETL development, cloud-based data platforms, and DevSecOps practices. You will work closely with architects, developers, business stakeholders, and delivery teams to ensure the successful movement, transformation, and management of critical business data. Key Responsibilities * Design, develop, and maintain scalable ETL and data migration solutions using IBM DataStage. * Build and optimise batch and real-time data integration pipelines to support business and operational requirements. * Develop and enhance data warehouse solutions, ensuring high performance, resilience, and scalability. * Design and implement data solutions using AWS services, including Amazon Redshift, Amazon S3, and Amazon QuickSight. * Collaborate with cross-functional teams to analyse data requirements and translate them into technical solutions. * Support the adoption of DevSecOps principles, ensuring secure and automated deployment practices. * Develop and maintain high-quality code using Java and SQL. * Design, query, and optimise relational database structures and data models. * Implement source control, version management, and CI/CD processes using GitHub and/or GitLab. * Troubleshoot and resolve data-related issues, ensuring data integrity and platform stability. * Contribute to technical design reviews, code reviews, and best practice initiatives across the engineering team. Essential Skills & Experience * Strong commercial experience with IBM DataStage. * Proven expertise in data migration and ETL development, including both batch and real-time processing. * Experience designing and supporting enterprise data warehouse solutions. * Hands-on experience with: o Amazon Redshift o Amazon S3 o Amazon QuickSight * Strong understanding of DevSecOps methodologies and modern software delivery practices. * Proficiency in Java development. * Advanced SQL skills. * Experience working with relational databases. * Hands-on experience with GitHub and/or GitLab. * Strong analytical, problem-solving, and stakeholder engagement skills. * Ability to work effectively within Agile delivery environments. Desirable Skills * Experience implementing and monitoring data quality frameworks. * Knowledge of XML technologies and data formats. * AWS Certified Data Analytics or AWS Data Specialty Certification. * Experience working within large-scale cloud migration or transformation programmes. Candidate Profile The ideal candidate will be a proactive and technically strong Data Engineer with a proven track record of delivering enterprise-scale data solutions. They will possess excellent communication skills, a collaborative approach to problem solving, and the ability to operate effectively within fast-paced, complex environments. Due to the nature and urgency of this post, candidates holding or who have held high level security clearance in the past are most welcome to apply. Please note successful applicants will be required to be security cleared prior to appointment which can take a minimum 10 weeks. 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. An award-winning organisation, having secured the prestigious Queens Award for Enterprise: International Trade over multiple 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.
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Contractor

Contractor job2nd Level Application Support Engineer

Nexus Jobs Limited
Published on

£400
City of London, England, United Kingdom
2 Level Application Support Engineer We are looking for a experienced technical engineer to join our growing Equities business. The platform you will be looking after is used by multiple trading desks servicing a diverse set of clients and instruments. As part of the wider platform team you will be working closely Developers along with technical, analysis and testing colleagues. Investigation and resolution of the work items at hand will require competent technical skills and a keen intellect. The business is a growth area, with current investments taking place in all of the technology, business and middle office areas. Primary Responsibilities: Monitor application components. Global support and includes weekend availability to troubleshoot production related issues and perform checkouts. Expertise in operating windows and Linux environment with good command over any scripting language such as Shell, Perl, Python, etc. Knowledge of configuration Management systems such as Ansible. Strong Knowledge of CI tools such Bamboo or Jenkins. Ability to work both independently and in groups in an energetic, diverse environment. Debugging the system and fixing the production related issues. Handles complex operational tasks and recommends process and technology changes. Build monitor tools for production environments. Expedient deployment of new systems. Capacity planning and support for increasing volumes and business growth. Knowledge of networking and storage concepts. Escalate / follow-up on permanent fix for development related issues. Provide solutions for application automation. Manage communication of system and application outages to the end users whenever required. Resolve complex application and technical problems. Build, test and install software in Dev, QA, Prod/DR environment. Support complex efforts involving Analysis, Design, Development and testing of various application components Desired Experience/ Skills: Bachelor's degree, preferably in Computer Science, Engineering, or Mathematics Previous career roles in Support Analyst coupled with experience within the Financial industry at least 3+ yrs. Expertise in operating windows and Linux environment with good command over any scripting language such as Shell, Perl, Python, etc. Basic knowledge of infrastructure concepts. Nice to understand Devops tools such Bamboo or Jenkins. Hands-on experience in support of a real-time trading environment. Knowledge of support applications that use high-performance messaging/middleware. Strong analytical, and verbal and written communication skills. Strong Knowledge of FIX protocol. Java, C#, C++ development skills set, nice plus. Personal Attributes Good communication skills, including the ability to write clearly. Able to function effectively as a member of a team. Proactive with respect to personal and technical development. The position is based in the City London. The duration of this contract is 12 months. The rate for this assignment is circa £400 per day. Please do send your CV to us in Word format along with you daily rate in GBP and availability.
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Contractor

Contractor jobchef de projet technique (420 € max.)Connaissances en Java, Node.js et React.js

Hanson Regan Limited
Published on
Project management

6 months
400-420 €
Paris, France
Bonjour, Hanson Regan recherche un chef de projet technique (420 € max.)Connaissances en Java, Node.js et React.js pour une mission freelance de 6 mois renouvelable à Paris, à pourvoir dès que possible. Profil recherché Plus de 7 ans d'expérience en gestion de projets applicatifs (MOE). Expérience confirmée en : Gestion de projets de développement logiciel. Gestion de portefeuille applicatif. Gestion de la maintenance et du support applicatifs (TMA/MCO). Une expérience dans le secteur public est un atout. Compétences en gestion de projet Gestion de projets et de la maintenance applicative. Gestion budgétaire et suivi des échéanciers. Gestion des risques. Planification des livrables et coordination des parties prenantes. Animation de comités de pilotage et rédaction de rapports. Excellente connaissance des méthodologies Waterfall (modèle en V) et Agile (Scrum, Kanban). Maîtrise des outils de gestion de projet. Compétences techniques Gestion de la configuration et contrôle de version (Git, GitLab). Connaissance des bases de données (PostgreSQL, SQL). Bonne compréhension des environnements Java, Node.js et React.js. Connaissance des enjeux de sécurité et de conformité des applications : Audits de sécurité Accréditation/certification de sécurité Conformité au RGPD Normes d'accessibilité (RGAA) Exigences de préparation et de surveillance de la production __________ Environnement technique Plateforme cloud : Scalingo Front-end : React.js Back-end : Node.js, Java Base de données : PostgreSQL Gestion de versions : Git, GitLab Conformément aux exigences du client, les freelances doivent pouvoir travailler via leur propre entreprise. Nous n'acceptons malheureusement pas les candidatures via des sociétés de portage salarial pour ce poste. Si cette opportunité vous intéresse, merci de nous contacter au plus vite.
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Permanent

Job VacancyDevOps Engineer with AWS

Nexus Jobs Limited
Published on

£60k-80k
Leeds, England, United Kingdom
DevOps Engineer with AWS To successfully build and deliver our next-generation cloud-hosted and cloud-native technology platforms. You will work within product teams responsible for the full software development life cycle, from conception to deployment. You will support the teams to ensure that solutions and products being developed consider all functional and non-functional requirements including support, maintenance, capacity, security and with a focus on performance. In addition, you will use your skills and experience to help implement DevOps practices across all of IT and drive the modernisation of our platform going forwards. Key accountabilities Build and maintain production and non-production environments to ensure high availability and cost optimization Build and maintain continuous integration and deployment pipelines to achieve fast, effect software delivery Improve performance and scalability of existing systems to meet functional and non-functional requirements Monitor and troubleshoot infrastructure related issues to minimize incidents and achieve resolution SLAs Develop and document best practices for application build and deployment (CI/CD) Contribute to ensuring that applications perform to user expectations and are continuously improved and maintained Work with the Lead Software Engineers, Architecture team and the Solution Delivery teams to contribute to the on-time delivery of solutions and applications Obtain guidance and approval as required to advance activities and resolve issues Communicate regularly regarding the status of current software delivery activities, actively participating in all relevant Scrum ceremonies Maintain an up to date working knowledge of industry best practice in the areas of software engineering and development, supporting and mentoring Solution Delivery teams where necessary BS/MS degree in Computer Science or 4-8 years related experience AWS Certification(s) such as Solutions Architect Pro, DevOps Engineer Pro, SysOps Admin, Developer Associate. Ability to work effectively within a team and autonomously with minimal supervision Be confident with Infrastructure as Code and code release strategies. Have experience with application and infrastructure monitoring. Experience implementing and designing cloud native security concepts, DevSecOps, or MLOps. Agile development techniques and Project management (SCRUM, KANBAN etc.) You'll be familiar with a cloud-native approach You have a curiosity for new technologies and a thirst for automation, standardisation, continuous integration and continuous delivery Strong interpersonal skills with the ability to deal with individuals (internal and external) at all levels The ability to support people through change A strong problem solver and a self-starter with a 'can do' attitude. You will speak fluent English with excellent verbal and written communication skills Proficient with Git and Git workflows Exceptional understanding of AWS, containerisation technology, infrastructure and strong technical design skills. Experience with the full software development lifecycle and delivery using Agile practices. Automating cloud native technologies, deploying applications, and provisioning infrastructure. Infrastructure as Code, using CloudFormation, Terraform, or other tools. Azure DevOps Pipelines JIRA & Confluence Knowledge of IP networking, VPN's, DNS, load balancing and firewall. Develop platforms with scalability, security and performance in mind, leveraging the cloud. 5+ years of experience as a technical specialist. 2+ years of hands-on experience of programming in languages such as .Net, Java, C++, Python, Ruby, Go, Swift or similar object-oriented language. Experience with AWS - including but not limited to EC2, S3, RDS, Lambda and CloudFormation Experience of SQL and Windows severs would be beneficial Hands-on experience with microservices and distributed application architecture, such as containers, Kubernetes, and/or serverless technology. Proficient in leveraging CI/CD tools to automate testing and deployment An expert who can create tooling and automation which improve developer experiences and speed of delivery. Experienced in working in an agile environment (Scrum / Kanban). You'll be someone who is happy to work independently or collaboratively on multiple tasks. Overall you are a highly motivated DevOps engineer who is passionate about writing excellent code, have strong communication skills and keen to continuously learn and share knowledge with other The Client is happy to consider 2 days a week in the office or at a push 2 days a month. Salary circa £60K - £80K + Benefits. Please do send your CV to us in Word format along with your salary and availability.
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Contractor

Contractor jobDéveloppeur Fullstack java Angular/ Quarkus

Freelance.com
Published on
Angular
API
CI/CD

1 year
590-650 €
Ile-de-France, France
Nous recherchons un Développeur Web Full Stack Java / Angular 20 Senior pour intervenir au sein d'une équipe digitale en charge de parcours web à forte visibilité, dans un environnement grand compte. Intégré à une organisation en Feature Teams Agile, aux côtés de développeurs, Tech Leads, Product Owners et Proxy Product Owners, vous participerez à la conception et au développement de parcours digitaux front-to-back, notamment sur des problématiques d'avant-vente, de vente et d'espace client. Vos principales missionsDéveloppement Front-End Concevoir et développer des interfaces web interactives et responsives avec Angular. Participer au développement et à l'évolution de parcours digitaux grand public. Réaliser les tests unitaires et les tests d'intégration. Veiller à la qualité de l'expérience utilisateur, aux performances et à la compatibilité multi-navigateurs / multi-devices. Collaborer étroitement avec les Product Owners et Proxy Product Owners. Développement Back-End Concevoir, développer et maintenir des services et API REST en Java. Intervenir principalement dans un environnement Quarkus. Participer à l'intégration et à la gestion sécurisée des données. Contribuer aux choix d'architecture afin de garantir la robustesse, la fiabilité et l'évolutivité des applications. Qualité & collaboration Participer aux cérémonies Agile et aux revues de code. Collaborer avec les équipes produit et les différentes parties prenantes. Contribuer aux bonnes pratiques de développement et aux processus CI/CD. Rédiger la documentation technique : Technical Stories, diagrammes de séquence, documentation d'API, etc. Être force de proposition sur les évolutions et innovations liées aux parcours web.
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Contractor

Contractor jobResponsable de projets transverses | transformation asset servicing & déploiement SI

Mon Consultant Indépendant
Published on
Business Analysis
Enterprise Application Integration (EAI)
ERP

9 months
550-600 €
Paris, France
Mission de l'équipe : La mission intervient au sein d'un département spécialisé dans les activités d'Asset Servicing et de dépositaire, dans un contexte de transformation et d'amélioration continue. Sous la supervision directe de la Direction Technique, l'objectif est de piloter et coordonner les projets transverses du Département, en assurant leur avancement, leur gouvernance et leur bonne articulation entre les équipes métier, IT et MOA. La mission comporte également une dimension européenne, avec le suivi d'évolutions déployées au sein de différents hubs et la contribution, le cas échéant, au déploiement d'un nouveau système d'information. 1. Pilotage des projets de transformation La mission est responsable de l'animation et de la coordination des projets de transformation ou d'amélioration du Département. Elle devra notamment : · Structurer et piloter les différentes initiatives confiées. · Suivre leur avancement et sécuriser leur bonne exécution. · Coordonner plusieurs projets en parallèle. · Identifier les points de blocage et contribuer à leur résolution. · Être force de proposition sur les évolutions à mettre en œuvre. 2. Gouvernance et coordination transverse · La mission assure la gouvernance et le reporting des projets transverses. · Elle intervient comme point de liaison entre les différentes équipes du Département et notamment les équipes métier, IT et MOA. · Elle devra fédérer les différents contributeurs, assurer la circulation de l'information et garantir une visibilité claire sur l'avancement des initiatives. 3. Transformation des processus et déploiement SI La mission contribue activement aux évolutions organisationnelles et opérationnelles du Département. Les responsabilités couvrent notamment : · Le suivi des évolutions mises en œuvre au sein des hubs européens. · La coordination du programme de déploiement d'un nouveau système d'information, le cas échéant. · L'identification des axes d'amélioration des circuits opérationnels et des outils. · La formulation de propositions visant à améliorer l'efficacité des dispositifs existants. 4. Contribution aux enjeux stratégiques du Département · La mission participe activement aux sujets clés du Département et à sa gouvernance globale. · Elle devra apporter une capacité d'analyse, d'investigation et de prise de décision, tout en maintenant une forte capacité de collaboration avec les différentes équipes.
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Contractor

Contractor jobTest Lead Senior – Expert Automatisation (UFT One / Selenium / Playwright)

VADEMI
Published on
Agile Scrum
Appium
CI/CD

23 days
550 €
Châtillon, Ile-de-France
Notre client, un grand groupe de la distribution, structure et industrialise son activité d'automatisation des tests au sein de sa Test Factory. Il recherche un Test Lead Senior pour piloter et accélérer ses activités d'automatisation, avec un objectif clair : augmenter la couverture des TNR, raccourcir les cycles de qualification et mesurer les gains réellement obtenus. Vos missions Piloter les activités d'automatisation : priorisation des applications et scénarios éligibles (TNR en priorité), planification, suivi des charges, des délais et des livrables. Réaliser l'étude de faisabilité technique et économique, avec des objectifs et des gains mesurables. Développer et livrer des scripts d'automatisation de TNR opérationnels. Construire et tenir à jour un tableau de bord de suivi : avancement, couverture automatisée, fiabilité des scripts, gains de productivité. Animer les ateliers et les restitutions auprès des commanditaires, des équipes métiers et techniques, et des chefs de projet. Coordonner les parties prenantes (responsables d'applications, intégrateurs, équipes de tests) et assurer le reporting. Pourquoi cette mission Vous intervenez à la fois comme pilote et comme expert technique, avec une forte autonomie. Vous évoluez dans un cadre où la légitimité technique compte : le client attend un profil capable de concevoir, développer, challenger et accompagner. La mission est courte, avec des livrables précis, ce qui convient à un profil souhaitant un impact rapide et visible.
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Permanent

Job VacancySoftware Engineer

Nexus Jobs Limited
Published on

£60k-90k
London, England, United Kingdom
Software Engineer Our Client is looking for a Software Engineer with at least of 5 years of progressively complex experience in a directly related area, during which both professional and technical capabilities have been clearly demonstrated. Your expertise must include design and development experience with various relevant Microsoft platforms, tools, technologies, patterns, and techniques related to MSFT suites, Azure tools, integration, and data is required. Experience with industry/domains like pharmaceutical, finance, HR, sales, marketing, and manufacturing is highly preferred. Experience with healthcare industry regulations, data security and compliance standards (e.g. GDPR), and EDI standards (e.g. FHIR, HL7), etc. is very valuable. Developer certifications of Azure and/or Microsoft suite technologies is a big plus. A degree in computer science, software engineering, or a related field is required. Technical skills: In-depth knowledge and experience in programming, administrating, configuring, and integrating using/with MS Office/MS Office 365 suite, SharePoint Online, Power Apps/Power Automate, GitHub, MS Teams, etc. In-depth knowledge & development experience using Azure integration tools like Data factory, Logic Apps, etc. Along with knowledge of utilizing Azure SQL Server, Data lake, etc. In-depth knowledge & experience using Visual Studio, with one of the programming languages: C#/Java/JavaScript/Python, and PowerShell. Thorough understanding of the fundamental architecture of the cloud and on-prem MSFT Suite. Solid fundamentals and thorough understanding of exception handling principles and production/operational support solutions (alerts, dashboards, runbooks, etc.) Experience working with Azure DevOps and CI/CD pipeline. Knowledge and some experience of using Serverless, SOAP, XML, REST, JSON, EDI, XSLT, etc. Knowledge and some development experience using MS SQL Server (SSIS, T-SQL, Stored procedures, Functions, Views, Queries, Datatype conversions, etc.). Experience working with APIs, Postman/SOAPUI tools, MS D365, ServiceNow, Azure Analytics tools, Azure Synapse, Azure BYOD & Data verse, Azure DevOps, Informatica, BI tools, etc. is a big plus. General business skills: Excellent communication to translate and explain business requirements to technology & vice-versa. Analytical & methodical mindset with a problem-solving attitude is extremely important for the success of this role. Concise written, verbal, and presentation skills. Must be a team player who can earn a team's respect quickly. Ability to take initiative and be innovative. Ability to complete projects and achieve results in an ambiguous work environment. The Client is based in Trumbull CT USA – this is a remote role ideally from London UK. The salary will be in the range £60K - £90K. Please send your CV to us in Word format along with your salary and availability.
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Frequently asked questions about working as a Java Developer (Kotlin, Groovy...)

What is the role of a Java Developer (Kotlin, Groovy...)

The Java developer is a computer specialist who focuses on designing software and websites. As the name implies, they have Java programming language down pat! Passionate and versatile, the Java developer must possess solid technical skills and some essential qualities to provide their client with a customized IT solution.

How much does a Java Developer (Kotlin, Groovy...) charge

The mastered frameworks, the company's sector, its location and the technical issues to be solved are all criteria that affect the Java developer's salary. Nevertheless, their daily rate is relatively high, even for a beginner. The latter earns an average of 483 euros per day. Their salary will be around £40K.

What is the definition of a Java Developer (Kotlin, Groovy...)

The Java developer creates applications at the client's request using their preferred language: Java. For this purpose, they must comply with the requirements provided in the specifications. They develop the application, then manage the testing phase as well as maintenance and update planning

What type of mission can a Java Developer (Kotlin, Groovy...) handle

The tasks generally assigned to a Java developer are: • Definition of client needs; • Application programming; • Development of website structure; • Writing explanatory notes so that the written code lines are understandable by other stakeholders; • Adding new functionalities and improving the performance of an existing application; • Performing unit tests and integration tests; • Technical support; • Updating existing code.

What are the main skills of a Java Developer (Kotlin, Groovy...)

Knowledge of Java language must be complemented by knowledge of: • The J2EE development platform; • Other programming languages; • Oracle and SQL databases; • Tools and frameworks such as Spring, Spring boot, React, Angular, Hibernate, AWS, GWT, Struts or Docker; • Algorithms; • Security standards and procedures to combat cyberattacks; • The business environment (market, services, customers). Those who wish to work as Java developers must also master English.

What is the ideal profile for a Java Developer (Kotlin, Groovy...)

In addition to the diploma and technical skills, recruiters require future Java developers to be: • Rigorous and precise in writing code; • Creative; • Good listeners; • Able to work in an agile environment; • Flexible and available; • Able to communicate and explain their knowledge to non-technical people; • Curious, as computer programs and languages are constantly evolving. A strong sense of analysis and organization is also required!

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