126 to 150 of 1,054 Permanent ECMAScript Jobs

Software Developer

Hiring Organisation
Ballantyne Technology Limited
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Experience with Microsoft SQL Server Experience or exposure to Azure Understanding of unit testing/integration testing Desirable: Azure DevOps CI/CD pipelines JavaScript, HTML, CSS Experience working in Agile or Scrum teams Salary & Benefits £45,000 – £55,000 base salary Annual bonus of approximately 10% Remote/hybrid ...

Power Platform Developer

Hiring Organisation
Henderson Drake
Location
Ipswich, Suffolk, United Kingdom
Employment Type
Permanent
Salary
GBP 40,000 - 44,000 Annual
solutions. Desirable Experience Any exposure to the following would be beneficial but is not essential: Azure services APIs and system integrations HTML, CSS, and JavaScript Azure DevOps C#/.NET Salesforce integrations Agile development environments Why Apply? Work alongside an experienced Senior Power Apps Developer Gain exposure to a wide ...

Senior Ruby-on-Rails Developer

Hiring Organisation
Reed
Location
Peterborough, Cambridgeshire, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
Full Stack Developer (or similar) Proficiency in Ruby and TypeScript Solid with Ubuntu , MySQL , and AWS Comfortable with front-end tech (HTML, CSS, JavaScript) A sharp eye for detail and a problem-solving mindset Strong communicator and self-starter in a remote setup Bonus Points For: Bringing AI into ...

Full Stack Engineer

Hiring Organisation
Wave Talent
Location
Maidenhead, England, United Kingdom
NoSQL databases Infrastructure: Modern CI/CD pipelines, automated testing and observability tooling What you’ll bring Strong full-stack experience with JavaScript/TypeScript, React and Node.js Proven ability to take ownership of engineering projects end-to-end Experience working across multiple services or codebases in a product team ...

Senior Ruby Engineer - £110K

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
strong ability to align technical direction with business strategy in fast-moving, product-centric environments. Key requirements: Ruby & Ruby on Rails Full-Stack Engineering: JavaScript, TypeScript, React, Hotwire, Stimulus Node.js & React exposure beneficial API Design: REST, GraphQL, external integrations Data Stores: PostgreSQL, MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud ...

Frontend Developer

Hiring Organisation
Searchability®
Location
Leeds, England, United Kingdom
stakeholders, you'll help deliver secure, scalable and accessible solutions using modern technologi es. 🔧 Essential Sk ills• Commercial experience with R eact• Strong JavaScript, TypeScript, HTML & CSS sk ills• Experience working with REST APIs• PostgreSQL or other open-source datab ases• Git and collaborative development workf lows• Strong understanding ...

Senior Software Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
Supported by a talented Development team with 6 developers and other technical staff. Requirements Minimum 5 years of experience in commercial C# .NET Development JavaScript/TypeScript, HTML + CSS Angular Azure DevOps (CI/CD) Desirables C# .NET Core Azure Serverless experience (App Services, Functions, Storage, Service Bus, etc. ...

Technical Lead (Copilot)

Hiring Organisation
Cloud Decisions
Location
England, United Kingdom
Experience with Azure DevOps, Git, CI/CD and ALM. Strong understanding of low-code development alongside pro-code technologies such as Power Fx, JavaScript, C# or Azure Functions. Experience working within Agile product teams. Excellent stakeholder engagement and communication skills. A passion for AI, automation and continuous improvement. Desirable ...

Senior Dynamics Developer

Hiring Organisation
Reed
Location
Newport, Gwent, Wales, United Kingdom
Employment Type
Full-Time
Salary
£47,766 - £58,575 per annum, Inc benefits
Platform (Power Apps, Power Automate) Solid understanding of architecture patterns such as microservices and SOA Proficiency in at least one of the following: C#, JavaScript/TypeScript, or Python Experience writing and maintaining unit tests Strong integration experience across Azure services Working Arrangements Hybrid working model with some on-site ...

Java Software Engineer

Hiring Organisation
Halian | Managed Services, Recruitment Agency & Contract Staffing
Location
Bracknell, England, United Kingdom
standards Key Skills & Experience Strong commercial experience in Java Proven experience developing microservices architectures Solid experience with SQL/relational databases Frontend experience with JavaScript Experience with CI/CD pipelines and DevOps practices Strong understanding of software engineering principles and best practices Experience working in Agile environments Desirable Experience ...

Frontend Vue.js Developer

Hiring Organisation
Urban Environments Ltd
Location
Brighton, England, United Kingdom
ApexCharts, or D3.js). Performance Optimisation: Experience handling large, complex datasets in the frontend without compromising performance. Core Frontend Stack: Strong command of TypeScript, JavaScript (ES6+), HTML5, CSS3, and modern async workflows (REST APIs). Tooling & Version Control: Solid experience with Git and Node.js-based environments. Collaboration & Communication: Ability ...

Quality Assurance Test Analyst

Hiring Organisation
Peregrine
Location
England, United Kingdom
strategies. Knowledge of non-functional testing e.g. Performance, Security and Accessibility – including test types, test tools, and standards Active SC clearance HTML CSS JavaScript Node ...

Software Developer (Full Stack)

Hiring Organisation
Clarksons Research
Location
Worcester, England, United Kingdom
demonstratable technical skills: Very strong skills in . NET development in C# Very strong skills in frontend languages and frameworks such as: Angular, Typescript, JavaScript, Bootstrap, Kendo UI Very strong skills in backend services such as: C#, WebApi, Python Strong skills of using data providers such as: SQL Server, Experience ...

Senior Full Stack Software Developer

Hiring Organisation
Corpay
Location
Central London, London, United Kingdom
Employment Type
Permanent
equivalent experience. Experience: 8+ years of professional software engineering experience. Required Experience: C# and .NET development across web and/or desktop applications. JavaScript or TypeScript. SQL Server, relational database design, stored procedures, and T-SQL. HTTP APIs and service-oriented or distributed systems. Message queues, service buses, asynchronous processing ...

Senior Software Engineer

Hiring Organisation
Danaher
Location
Surrey, United Kingdom
Employment Type
Full Time
performant, scalable, and easy for teams to adopt. We’re looking for someone with strong, hands‐on experience across our core tech stack — Java, JavaScript/TypeScript, Serverless architectures, Terraform, and Kubernetes. If you also bring skills in Jenkins, React, or Python, that’s a fantastic bonus and will help ...

Full Stack Angular Software Engineer

Hiring Organisation
Avaloq
Location
City of Edinburgh, United Kingdom
Employment Type
Full Time
Qualifications Proven track record working in of front-end development, with a strong focus on Angular including NgRx and RxJS Proficient in HTML5, CSS3, JavaScript, TypeScript and RESTful API integration Experience in Java, Hibernate, JPA, ORM and microservices, object-oriented and functional programming and solid understanding of responsive web design ...

Full Stack Developer

Hiring Organisation
Outserve
Location
Stafford, Staffordshire, West Midlands, United Kingdom
Employment Type
Permanent
Salary
£55,000
them, when to challenge their output, and how to get the best from them without losing ownership of the code Desirable Frontend experience with JavaScript frameworks such as React or similar Familiarity with e-commerce ecosystems, accounting platforms (e.g. Xero), or inventory/ERP systems Experience working in small, collaborative ...

Associate Software Engineer Level II

Hiring Organisation
DWP Digital
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£35,000
code that drives meaningful large-scale impact from day one. What skills, knowledge and experience will you need? Strong grounding in programming fundamentals using JavaScript/TypeScript and Node.js, with hands-on experience in at least one modern framework (e.g. React, Next.js, or Express). Practical knowledge of at least ...

Senior/Staff Software Engineer, Backend

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
stable as we grow. Security, compliance, and permissions models that protect our customers and meet enterprise‐grade standards. Tech Stack includes: Node.js (TypeScript & JavaScript), Dart/Flutter, C++, MySQL (Aurora), Redis, OpenSearch, AWS (Fargate, Lambda, CloudWatch), Docker, Terraform, GitHub Actions Requirements 8+ years of professional software engineering experience, specifically ...

Software Engineer (DV Security Clearance)

Hiring Organisation
CGI
Location
Manchester, United Kingdom
Employment Type
Full Time
Apps, Kubernetes, OpenShift, MicroK8s; • Infrastructure as Code (IaC), automation & configuration management; • Ansible (plus Puppet, Saltstack), Terraform, CloudFormation; • NodeJS, REACT/MaterialUI (plus Angular), Python, JavaScript; • Big data processing and analysis, e.g. Apache Hadoop (CDH), Apache Spark; • RedHat Enterprise Linux, CentOS, Debian or Ubuntu. • Java 8, Spring framework (preferably Spring boot ...

Software Engineers (DV Security Clearance)

Hiring Organisation
CGI
Location
Gloucestershire, United Kingdom
Employment Type
Full Time
Apps, Kubernetes, OpenShift, MicroK8s; • Infrastructure as Code (IaC), automation & configuration management; • Ansible (plus Puppet, Saltstack), Terraform, CloudFormation; • NodeJS, REACT/MaterialUI (plus Angular), Python, JavaScript; • Big data processing and analysis, e.g. Apache Hadoop (CDH), Apache Spark; • RedHat Enterprise Linux, CentOS, Debian or Ubuntu. • Java 8, Spring framework (preferably Spring boot ...

Senior Dynatrace Consultant

Hiring Organisation
NETbuilder
Location
Greater London, England, United Kingdom
automation Broader observability tooling knowledge advantageous: Splunk, Elastic, Datadog, Cribl Application-stack and programming awareness advantageous: Java and/or .NET, web technologies (JavaScript), SQL/relational databases, and distributed/microservices architectures (J2EE, .NET, microservices) Strong client management — comfortable with senior stakeholders and able to challenge constructively Direct line ...

Principal Artificial Intelligence (AI) Platform Engineer/Architect

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
model and tooling landscape Azure/Microsoft ecosystem experience advantageous but not mandated Technical Skills Proficiency in a range of languages, including Python, C#, JavaScript, or TypeScript Experience with modern development practices (CI/CD, testing frameworks, containerization) Extensive experience with cloud infrastructure (AWS, Azure, or GCP) and managed services ...

Software Engineer

Hiring Organisation
VoCoVo
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
Salary
52000 to 58000 GBP Annually
Exposure to and an understanding of MQTT and the Eclipse foundations Sparkplug certification. What you'll do Develop robust, scalable applications using TypeScript/JavaScript to support team and product goals. Contribute to the refinement and the delivery of epics. Proactively identify technical risks and implement effective mitigation strategies. Collaborate ...

Full Stack Engineer

Hiring Organisation
Newpage Solutions
Location
City Of Bristol, England, United Kingdom
Bachelor’s degree in computer science, Software Engineering, or related field with 3+ years of relevant professional experience. Strong production experience with Python and JavaScript/TypeScript ,NextJS across backend and frontend. Experience building applications involving MCPs, APIs, UI, and backend systems Hands-on experience with modern frontend frameworks (such ...