51 to 75 of 76 Contract JavaScript Jobs

Managing User Lifecycle Fraud Reduction System Integration Experience Required: Minimum 7 years' experience: Protocols: OAuth2, OIDC, SAML, and JWT (JSON Web Tokens). Development: JavaScript/Node.js/React, React, Angular or Vue. Identity Concepts: RBAC, ABAC and FGA. APIs: RESTful API design and M2M. Why work through Contechs? Contechs ...

Expertise: ESRI Suite ArcGIS Pro, ArcGIS Enterprise, ArcGIS Online, Experience Builder, Dashboards, Field Apps Survey123/FieldMaps, Arcade Safe FME Arcade/Python/JavaScript SQL API integration CAD Bentley Open Buildings Designer/Autodesk Appreciation of coordinate systems and conversion between them Experience working with Ordnance Survey datasets Summary ...

Expertise: ESRI Suite – ArcGIS Pro, ArcGIS Enterprise, ArcGIS Online, Experience Builder, Dashboards, Field Apps – Survey123/FieldMaps, Arcade Safe FME Arcade/Python/JavaScript SQL API integration CAD – Bentley Open Buildings Designer/Autodesk Appreciation of coordinate systems and conversion between them Experience working with Ordnance Survey datasets Summary ...

with agentic coding tools (e.g., Claude Code or equivalent) as a primary workflow Strong experience with multi-agent orchestration and tool integration Proficiency in JavaScript/TypeScript and Node.js Experience designing and consuming REST APIs Proven track record of shipping AI agents to production environments Preferred Qualifications Experience with ...

Developer Role: Senior Web Application Developer (Full-Stack) Specialism(s): eCommerce, ASP.NET MVC 5, C#, React, Migrations, Microsites, Cloud-Native, HTML5/CSS3/JavaScript, API, CI/CD, IoC Containers, Agile Type: Contract, Daily Rate Duration: 3+ Months Location: London Pay Rate: £450 - £525 per day (Inside IR35 … implementation * Produce secure, maintainable, scalable, and fault-tolerant code following SOLID principles and OO design patterns * Contribute to front-end development using HTML5, CSS3, JavaScript, and modern React components * Participate in architectural discussions and propose improvements * Participate in code reviews, mentoring team members and ensuring consistency and maintainability * Manage source ...

robust, scalable services and platforms that enable secure operations across an organization. Proven experience in programming and scripting languages (e.g., Go, Python, Bash, Java, JavaScript ). Minimum Qualifications Bachelor's degree in computer science (or similar) with 5+ years of relevant industry experience Significant experience with Golang and Git/… quality, performance , etc. Experience leveraging ORMs to interact with databases efficiently Familiarity with Python, Java, Swift, C, C++ and/or Objective-C ; and JavaScript and/or Typescript/React is a plus ...

whereyou'll act as an escalation point for challenging issues that require deep technical expertise. Skills & Experience Webservices experience (Ability to read and understand) JavaScript (Basic understanding) Some experience with Unix/Linux environments Cloud - Ideally Azure/Entra - AWS or GCP accpetable also. SSO - Single Sign-On LDAP Services ...

platforms Technical Skills & Knowledge ESRI technologies: ArcGIS Pro, ArcGIS Enterprise, ArcGIS Online, Experience Builder, Dashboards Field applications: Survey123, Field Maps Scripting: Arcade, Python, JavaScript Database skills: SQL API integration experience CAD tools: Bentley Open Buildings Designer or Autodesk Strong understanding of coordinate systems and transformations Experience working with Ordnance Survey ...

Analytical mindset with a "find and fix" approach Available to start within the next two weeks Desirable Experience with LLM optimisation, structured data or JavaScript SEO What's on offer Salary up to £35,000 FTE Healthcare cash plan and company pension Birthday off and loyalty awards Real ownership ...

skills: Design and develop innovative cloud-native platforms and applications using AWS, data engineering, and CI/CD practices. Implement and optimize Java, JavaScript, React, and other relevant technologies for full-stack applications. Contribute to batch analytics, Python, and data engineering efforts. Ensure platform and application resilience through effective monitoring … processes, including sprint planning, daily stand-ups, and code reviews. Apply SRE principles to improve system reliability and performance. Proven experience in Java and JavaScript development, with a focus on cloud-native applications. Good understanding of AWS services Additional skills: Experience with containerization (Docker, Kubernetes) and orchestration tools (Helm, ArgoCD ...

resilient, auditable, and suitable for a financial services control environment Create and oversee build and delivery pipelines supporting applications written in Java, C# .NET, JavaScript (React JS), Python Ensure pipelines are production-grade, observable, and aligned to operational and audit expectations Cloud & Containerised Application Enablement Provide expertise in building cloud … experience designing and delivering enterprise-scale CI/CD solutions, with GitLab experience essential Strong hands-on experience supporting build pipelines for Java, C#, JavaScript, and Python Proven experience building reusable CI/CD frameworks supporting multiple teams and products Cloud & Containerisation Strong experience with cloud platforms and modern application ...

experience with a willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript Experience working with standard developer collaboration Tools: Github/Bitbucket, Jira, Confluence Optional Jenkins pipelines Test automation ABOUT THE PROJECT The Developer Experience (DevX) Standards … Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript Strong technical and analytical troubleshooting skills Experience in working with Agile including the use of Jira/Confluence. Understanding of Microservices Good interpersonal skills English (B2+ ...

Integrate applications using RESTful APIs Deploy applications and support releases into production Build responsive, accessible and well-structured user interfaces using HTML, CSS and JavaScript Contribute to front-end architecture and application design Collaborate with the business, architects and other multi-skilled team members to gather requirements and shape solutions … office. What we require Proven experience developing with React JS and React Native Strong experience with Redux Toolkit Solid understanding of modern JavaScript, HTML and CSS Experience building secure, customer-facing front-end applications Ability to work with web services that integrate with external systems Experience designing or working closely ...

Contract Full-Stack JavaScript Developer (AI Platform) Location: 3 days per week in London Office Duration: 4 weeks with a longer term extension afterwards. IR35 Status: Outside IR35 Rate: £500p/d – £600p/dOpus is partnering with a cutting-edge FinTech start-up to secure a Contract Full-Stack … JavaScript Developer .You’ll be joining a small, high-calibre team building a platform to improve workflows within the the FinTech space. They have a genuinely interesting problem at the intersection of frontend engineering, backend systems, and applied LLM tooling .This is a true 0–1 build , ideal ...

business stakeholders, contributing to a modern UI codebase with real users and real impact. Key Responsibilities Build and enhance modern web UIs using JavaScript/TypeScript and modern frameworks (e.g. React) Translate business requirements into clean, user-focused interfaces Work closely with backend teams to integrate APIs and real-time … features end-to-end: from design discussion to delivery Essential Experience Strong experience as a UI/Front - End Developer Solid knowledge of JavaScript , TypeScript , HTML , CSS , and modern UI frameworks Experience delivering production-grade web applications Comfortable working with business users and non-technical stakeholders Able to work independently ...

possibility of increased onsite presence aligned to delivery needs. Key Responsibilities - Developing and maintaining automation scripts using Playwright, with strong hands-on skills in JavaScript/TypeScript- Applying solid knowledge of CI/CD principles, integrating solutions using Azure DevOps and GitHub. - Writing high quality test cases and executing them … managing defects/bugs- Creating comprehensive test plans and test completion reports- What We Are Looking For (Automation Test experience with the following) - Playwright - Javascript/Typescript - Azure Devops - Must currently hold valid SC Clearance If you're interested in this role, click 'apply now' to forward ...

Skills 2–4+ years of customer-facing technical support experience Strong understanding of web application architecture Experience with one or more of the following: JavaScript, HTML, CSS, XML Experience with relational databases (e.g. MySQL, MariaDB, Oracle, PostgreSQL) Ability to write or debug JavaScript or other object-oriented code Hands ...

years of experience in software testing, with a focus on manual testing and test automation. You must be proficient in Java, Typescript and Javascript, with the ability to write and maintain test automation scripts. This experience must have been used in your most recent roles. Experience in nodejs frameworks such … Playwright or Cypress or other nodejs automation frameworks in Javascript is essential. Solid experience with Cucumber and BDD (Behaviour-Driven Development) practices. Please apply ASAP to find out more. ...

considered for the role, you must have the follwing essential skills/experience. Hybrid working Inside IR35 12 month contract Technical Skills & Knowledge Javascript - Able to read/understand and debug it SQL - Able to debug it (Not code) Understanding of object-oriented programming (e.g. Java) Familiarity with web application … architecture Exposure to scripting languages (JavaScript, Python, Perl, Shell scripting) Working knowledge of Linux/Unix environments Experience with relational databases (e.g. MySQL, Oracle) Key responsibilities Resolve complex technical issues for internal and external customers Act as a customer advocate , ensuring high satisfaction and success Troubleshoot and perform root cause ...

Frontend React Developer SC cleared Active SC Cleared required Inside of IR35 Role Overview We are seeking a Senior Front-End Developer to lead the delivery of accessible user-centric interfaces for a secure law ...

ServiceNow Developer - CONTRACT - 3 Months - Outside IR35 - Good Day Rate - Manchester (Hybrid 2 Days a Week) Harvey Nash has been exclusively engaged by a market-leading firm to recruit a Contract ServiceNow Developer on an ...

interfaces, mobile apps, and dashboards. Support field data collection using Survey123/Field Maps. Automate workflows using FME, APIs, and scripting (Python/JavaScript/Arcade). Convert CAD data to GIS formats. Maintain GIS datasets, including drone imagery. Respond to adhoc geospatial requests across the project. Skills & Knowledge ESRI … ArcGIS Pro, Enterprise, Online, Experience Builder Survey123/Field Maps Safe FME Python/JavaScript/Arcade SQL & API integration CAD (Bentley/Autodesk) Coordinate systems & OS datasets Candidate Profile Proactive, motivated, and collaborative Strong communicator and problem-solver Creative, organised, and able to manage time effectively Working Arrangements Flexible ...

maintain features for a stock management application Build responsive and performant user interfaces using React and Next.js Develop and integrate backend services using JavaScript Design, query, and optimise data models in PostgreSQL Collaborate with stakeholders to translate business requirements into technical solutions Participate in code reviews and ensure best practices … followed Troubleshoot, debug, and resolve application issues Contribute to documentation and knowledge sharing as required Required Skills & Experience Strong commercial experience with JavaScript Proven experience developing applications using React Hands-on experience with Next.js Solid experience working with PostgreSQL (schema design, queries, optimisation) Experience developing and supporting production applications Ability ...

maintaining, troubleshooting, and improving critical web applications, ensuring high availability and performance for end users. For this role, the key essential skills are: JavaScript, SQL & Unix/Linux 6 Months + Inside IR35 Key Responsibilities Provide 1/2 line support for web-based applications Investigate and resolve incidents, bugs … defects Perform root cause analysis and implement preventative measures Maintain documentation for systems, processes, and fixes Required Skills & Experience Strong experience with JavaScript in a production environment Basic knowledge of SQL (query writing, performance tuning, troubleshooting) Hands-on experience with Unix/Linux systems (shell scripting, log analysis, system commands ...

VMWare Specialists - VCF, VCP, VRNI, VMware SRM, VMware HCX, PowerShell, Python, JavaScript Our Global Enterprise client is looking for VMware Specialists to join their team, specialists with strong VMware Cloud Foundation (VCF) skills and experience. Start Date: ASAP Duration: 120 days (initially) Rate: Competitive IR35 Status: Inside Location: Remote with … your exam. VMware specialisations such as vRealize Automation (Aria Automation) and vRealize Operations (Aria Operations) skills. Automation skills including powershell, python and JavaScript will be beneficial in completing automation projects. VRealize Network insights - known as VRNI OR VMware SRM OR VMware HCX experience. Soft Skills: A strong desire to help ...