2,576 to 2,600 of 2,704 Permanent ECMAScript Jobs

Mid-Level Software Developer - MedTech | Cambridge (Hybrid) ?? PHP | JavaScript | React | MySQL | AWS ?? £40,000 - £50,000 DOE Are you a Software Developer who wants to see your work make a real difference to people's lives? Join a growing MedTech business in Cambridge that's building innovative software to improve healthcare outcomes and empower clinicians worldwide. You'll be part … office (Tuesday, Thursday & Friday) and 2 days from home - giving you the balance of teamwork and flexibility. What You'll Be Doing Developing and maintaining scalable applications using PHP , JavaScript , and React . Working on new product features that directly impact healthcare professionals and patients. Writing clean, maintainable code and contributing to architectural discussions. Collaborating with other developers, product owners … a focus on performance and reliability. Working in a supportive environment that values learning, growth, and technical curiosity. What We're Looking For Commercial experience with PHP and modern JavaScript (React) . Good understanding of MySQL and relational database design. Experience deploying or maintaining services in AWS (or another cloud platform). Strong problem-solving skills and attention to detail. More ❯

Frontend Software Developer London (Remote) | £30,000–£45,000 + shares & bonus Tech: JavaScript, React, TypeScript, Next.js, HTML, CSS We’re partnered with a leading SaaS company in the HR technology space, looking for a junior to mid-level frontend developer to join their growing team. You’ll work on modern, responsive web applications, using React and the latest frontend … user experiences Write clean, maintainable React code and contribute to continuous improvement What we’re looking for: Some commercial frontend experience, ideally with React and TypeScript Solid knowledge of JavaScript, HTML5, and CSS3 Benefits: Remote working Share options and performance bonuses More ❯

Frontend Software Developer London (Remote) | £30,000–£45,000 + shares & bonus Tech: JavaScript, React, TypeScript, Next.js, HTML, CSS We’re partnered with a leading SaaS company in the HR technology space, looking for a junior to mid-level frontend developer to join their growing team. You’ll work on modern, responsive web applications, using React and the latest frontend … user experiences Write clean, maintainable React code and contribute to continuous improvement What we’re looking for: Some commercial frontend experience, ideally with React and TypeScript Solid knowledge of JavaScript, HTML5, and CSS3 Benefits: Remote working Share options and performance bonuses More ❯

Tech Stack: Shopify, Liquid, JavaScript, HTML, CSS 🏡 Remote working: UK-based only 💰 Salary: £35,000 to £45,000 We’re on the lookout for a Shopify Developer to join a growing UK-based Shopify agency working with some brilliant eCom brands. You’ll be part of capable team building, optimising, and evolving high performing Shopify stores. You’ll be working … based for time zone alignment and occasional meetups. What you’ll need: Solid experience working with Shopify (Liquid templating, custom themes, app integrations) Strong frontend development skills (HTML, CSS, JavaScript) A good eye for detail and clean, maintainable code Comfortable collaborating remotely and managing your own time Nice to have: Experience with Shopify Plus Familiarity with modern frameworks (React/ More ❯

no signs of slowing! Following huge investment we continued to grow this new Software Engineering function in Southampton. This Software Developer role would suit someone working in a Node.js, JavaScript & GCP environment! As Software Developer you will Code Development: Writing clear, quality, tested, and well-documented code. Deployment & Maintenance: Managing and supporting multiple services across different environments. Skill Development: Continuous … backend development, with opportunities to learn frontend technologies. Always looking at latest tech, they're utilising Bun so any experience of this would be useful. The tech stack includes JavaScript/Node.js Bun Express/Nest.js Jest GCP Terraform Docker & compose React Kuberbetes Writing good quality code is the focus of this role, working on a hybrid basis with More ❯

no signs of slowing! Following huge investment we continued to grow this new Software Engineering function in Southampton. This Software Developer role would suit someone working in a Node.js, JavaScript & GCP environment! As Software Developer you will Code Development: Writing clear, quality, tested, and well-documented code. Deployment & Maintenance: Managing and supporting multiple services across different environments. Skill Development: Continuous … backend development, with opportunities to learn frontend technologies. Always looking at latest tech, they're utilising Bun so any experience of this would be useful. The tech stack includes JavaScript/Node.js Bun Express/Nest.js Jest GCP Terraform Docker & compose React Kuberbetes Writing good quality code is the focus of this role, working on a hybrid basis with More ❯

Job Description: Skill: SAP CPQ, PythonLocation: Santa Clara, California/USANote:- This position is only for OnsiteJob Description/Responsibilities:Strong Object Oriented Programming skillsProficiency with Python, JavaScript, SQL and REST APIsPrior experience of working with platforms and knowing where to configure vs where to code is a plusPrior SAP CPQ experience is a mustCan use Eclipse IDE, GIT, Maven … agile methodologies and ceremoniesConfigure product and pricing using SAP CPQCustomization using Pything and JavaScript.Gather requirements and design the solutions.Develop solutions using technologies mentioned.Strong Object Oriented Programming skillsProficiency with Python, JavaScript, SQL and REST APIsPrior experience of working with platforms and knowing where to configure vs where to code is a plusPrior SAP CPQ experience is a mustCan use Eclipse IDE More ❯

practices. Your new role As a Full Stack Engineer, you will be responsible for designing and developing high-quality web applications. You'll work across the full stack, using JavaScript, Vue.js, HTML, and CSS to deliver responsive, scalable, and user-friendly solutions. You'll collaborate closely with product and engineering teams to implement new features, optimise performance, and ensure best … practices are followed throughout the development lifecycle. What you'll need to succeed Strong commercial experience in JavaScript and modern frameworks such as Vue.js. Solid understanding of HTML, CSS, and responsive design principles. Experience building and maintaining scalable web applications. Familiarity with RESTful APIs and integrating front-end with back-end services. A proactive, problem-solving mindset and ability to More ❯

client of Opus, who is a profitable, investment-backed SaaS company with serious growth plans! We’re hiring Backend-focused Ruby Developers or Full Stack Ruby Developers with modern JavaScript experience (React, Vue, etc.) to join their tech team in London. This is a rare opportunity to be part of a company that’s not only profitable but also growing … days/week in their London office (flexible based on team needs). What You’ll Bring: Strong experience with Ruby (Rails or other frameworks). Exposure to modern JavaScript (React, Vue, or similar). Passion for clean code, scalable systems, and collaborative development. Mentoring junior and mid-level developers More ❯

client of Opus, who is a profitable, investment-backed SaaS company with serious growth plans! We’re hiring Backend-focused Ruby Developers or Full Stack Ruby Developers with modern JavaScript experience (React, Vue, etc.) to join their tech team in London. This is a rare opportunity to be part of a company that’s not only profitable but also growing … days/week in their London office (flexible based on team needs). What You’ll Bring: Strong experience with Ruby (Rails or other frameworks). Exposure to modern JavaScript (React, Vue, or similar). Passion for clean code, scalable systems, and collaborative development. Mentoring junior and mid-level developers More ❯

Senior Web Developer, Vue.JS Hybrid working 2 - 3 days in Southampton, Hampshire VueJS, JavaScript, UI/UX Portfolio of work required £45k-£60k dependent on experience We are looking for a talented Senior Web/Front-End Developer to work on a range of B2C projects for a fast-growing company in Southampton. This is a team experiencing rapid growth … Your code will have a big impact on the user experience and the visual performance of the platform. Essential Criteria: 3+ years' experience in modern web front end development - JavaScript, HTML, CSS 2+ years' experience with Vue.js - (or strong transferable skills from Svelte) Comfortable working both with and without Figma files Strong eye for UI/UX and visual detail More ❯

model improvements. Required Skills & Qualifications Experience: 7–10+ years of proven experience in building and deploying complex software solutions. Languages (Priority): Strong proficiency in Python, Java, C, C++, or JavaScript — especially for evaluating and refining model-generated code. Code Evaluation Expertise: Skilled in developing test harnesses, assessing code for correctness, efficiency, and security, and defining measurable code quality metrics. GenAI … Familiarity (Preferred): Understanding of LLMs, code generation, and model evaluation/fine-tuning workflows. Preferred Skills Priority Languages: Python, Java, C, C++, JavaScript Domain Expertise: STEM fields, data analysis/science, or data visualization Technical Stack: Web visualization platforms, SQL/databases, JSON, HTML, Markdown, and modern data libraries. Seniority: Tech Lead level — suited for candidates who thrive on solving More ❯

most of the following key skills: - Strong Angular development experience gained working on web app builds - Solid user centred design experience (Figma, Zeplin etc) - Git Version control knowledge - Solid JavaScript, Typescript skills - Experience working in an agile, product led environment - any experience using AI in front end development or design would be a real plus In return for your hard … to join a business at the for front of national infrastructure innovation that will benefit millions then please apply now to be considered. Birmingham (hybrid) User interface, UI, Git, JavaScript, angular 14, React, Vue.js, agile, Figma, Zeplin, Typescript, AI More ❯

tools, delivering actionable insights, and driving data-informed decisions. Experience with Adobe Web SDK and Customer Journey Analytics is highly desirable. Key responsibilities include managing tag implementations. Proficiency in JavaScript, familiarity with SDLC, and comfort with agile sprint teams are essential. Responsibilities: Tag Management: Implement and maintain internal and third-party tags for data capture across digital assets. Quality Assurance … changes. Data Governance: Establish practices for data privacy, compliance, and security. Skills & Qualifications: Essential 7+ years' experience in Adobe Data Collection and Analytics, with strong skills in HTML, CSS, JavaScript, Excel, and data visualization (Tableau, PowerBI). Ability to work independently, design solutions, write technical documentation, QA, and troubleshoot data collection code in complex environments using tag management systems. Strong More ❯

tools, delivering actionable insights, and driving data-informed decisions. Experience with Adobe Web SDK and Customer Journey Analytics is highly desirable. Key responsibilities include managing tag implementations. Proficiency in JavaScript, familiarity with SDLC, and comfort with agile sprint teams are essential. Responsibilities: Tag Management: Implement and maintain internal and third-party tags for data capture across digital assets. Quality Assurance … changes. Data Governance: Establish practices for data privacy, compliance, and security. Skills & Qualifications: Essential 7+ years' experience in Adobe Data Collection and Analytics, with strong skills in HTML, CSS, JavaScript, Excel, and data visualization (Tableau, PowerBI). Ability to work independently, design solutions, write technical documentation, QA, and troubleshoot data collection code in complex environments using tag management systems. Strong More ❯

translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms leveraging modern frameworks (React, TypeScript/JavaScript, CSS, AWS Amplify, GraphQL). Apply AI-assisted tooling and automation throughout the development lifecycle — from code generation and testing to deployment and optimisation. Lead innovation by evaluating and integrating … in accessibility, privacy, and performance while maintaining clean, modern, and secure codebases. What You’ll Bring Strong background in front-end and full-stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability More ❯

translate stakeholder goals into functional and technical requirements , ensuring clarity between business need and technical delivery. Design and develop intelligent, adaptive web platforms leveraging modern frameworks (React, TypeScript/JavaScript, CSS, AWS Amplify, GraphQL). Apply AI-assisted tooling and automation throughout the development lifecycle — from code generation and testing to deployment and optimisation. Lead innovation by evaluating and integrating … in accessibility, privacy, and performance while maintaining clean, modern, and secure codebases. What You’ll Bring Strong background in front-end and full-stack development using React, TypeScript/JavaScript, and modern cloud environments (AWS, GCP, or similar). Experience working with headless CMS platforms such as Storyblok, and strong understanding of API design (REST/GraphQL). Proven ability More ❯

or enhancements being requested. Design, develop, and implement SPM solutions including workflows, catalog items, workspaces, and integrations to meet complex business requirements Configure and customize the ServiceNow platform using javascript and ServiceNow APIs to extend capabilities and enhance user experience Design and implement workflows to support business needs and increase automation Develop and configure integrations between ServiceNow and other enterprise … with the ServiceNow platform, specifically in the SPM module, and with good familiarity with ITSM, and the general ServiceNow platform Strong understanding of ITIL principles and practices Proficiency in JavaScript and ServiceNow API web services Proven experience with integrating ServiceNow with other applications Excellent analytical and problem solving skills Effective communication and interpersonal skills More ❯

start Up to £650 p/d outside IR35 12-month contract – aiming for November start date Hereford location – full-time on-site Experience in Palantir Foundry, Python/JavaScript, Data Structures, Cloud Infrastructure What will the Data Engineer be doing? Bridge technical and non-technical stakeholders, facilitating discussions with multidisciplinary teams, including military users. Data Integration – build clean, reliable … or Data Science. Analytical mindset with a drive to solve problems using data structures, storage systems, cloud platforms, front-end frameworks, and related tools. Proficiency in Python, TypeScript/JavaScript, or similar languages. Effective collaborator with both technical and non-technical teams, adaptable to fast-changing environments and shifting goals. To be Considered: Please either apply by clicking online or More ❯

Providing technical support related to the Power Platform ecosystem. Creating and maintaining clear, thorough documentation (a critical part of the role!). Building occasional custom components using C#.NET and JavaScript for more complex business needs. Managing access, roles, and data policies across Power Platform apps. Promoting the Power Platform internally and driving adoption across teams. Supporting training and onboarding in … business process automation and app life cycle management in the Power Platform. Solid documentation and process improvement skills. Basic experience with C#.NET for plugin or API development. Familiarity with JavaScript . A collaborative mindset with experience working across IT and business functions. Model Driven Apps & Canvass Apps Candidates should have owned the full development life cycle for substantial Power Platform More ❯

don't meet every qualification listed. Your Impact Design and implement application architecture that is scalable, maintainable, observable, and high-performing. Write clean, efficient, and well-documented Ruby/JavaScript (or other backend language) code. Conduct code reviews, review architecture, and contribute to engineering best practices. Identify and optimise performance bottlenecks across systems. Collaborate closely with cross-functional teams to … against vulnerabilities. What You'll Bring Proven experience delivering large-scale systems in production. Strong grounding in Domain-Driven Design, API-first architecture, and software design patterns. Proficiency in JavaScript (React/Next) or another backend language, with knowledge of Ruby as a plus. Experience with Pub/Sub, websockets, and Server-Sent Events (SSE). A strong product engineering More ❯

support GIS applications and workflows. 6. Application Development: Develop custom GIS applications, tools, and scripts to automate workflows and enhance GIS capabilities. Proficiency in programming languages such as Python, JavaScript, or SQL is required. 7. User Support and Training: Provide technical support and training to GIS users across the organization. Assist users with GIS software usage, troubleshooting, and best practices. … techniques, including geoprocessing, spatial statistics, and network analysis. • Experience with relational databases (e.g., SQL Server, PostgreSQL) and geodatabases. • Proficiency in programming languages commonly used in GIS, such as Python, JavaScript, or R. • Excellent analytical, problem-solving, and critical thinking skills. • Strong communication and interpersonal skills, with the ability to collaborate effectively with diverse stakeholders. • Proven ability to manage multiple projects More ❯

Based in the Herefordshire village of Much Marcle, Westons Cider is an independent cider-making company, making premium award-winning ciders since 1880. We are seeking a motivated and detail-oriented Junior IT Analyst to support our IT operations, data More ❯

We are looking for a Software Development Engineer to join our Letchworth or Christchurch team! As our Software Development Engineer, you will perform all software lifecycle phase tasks from planning to release and subsequent maintenance and support. Be able to More ❯

FP&A Systems Consultant Permanent Location: UK - Fully Remote Salary: £65,000 - £80,000 (+ bonus) Skills: Unit4 FP&A, Database Administration (SQL Server or Oracle), T-SQL or PL/SQL, ETL Tools (e.g., SSIS), Microsoft Server Operating Systems More ❯