Permanent ECMAScript Jobs in London

151 to 175 of 398 Permanent ECMAScript Jobs in London

Netsuite Developer with Salesforce

London, United Kingdom
Hybrid / WFH Options
Confidential
platform including proficiency in NetSuite's SuiteScript and SuiteTalk APIs, and have experience with other cloud-based technologies. Experience with client-side technologies like JavaScript, HTML and web services (XML, SOAP, WSDL) Experience with SalesForce is a plus Expert at professional programming practices including source code control, versioning and documentation. more »
Posted:

Senior Full Stack Developer

City of London, London, United Kingdom
CMC Markets UK Plc
potential new functionality Manage your own work, keeping boards up to date and attending stand-ups Key Skills & Experience Tech stack includes: TypeScript/JavaScript, Jest, AWS Serverless (Lambda, DynamoDB, S3, etc...), GitHub Hands-on frontend development and delivery experience over a mix of languages and technologies. Youre familiar with more »
Employment Type: Permanent
Posted:

FX Quantitative Developer (Hybrid)

London, United Kingdom
Hybrid / WFH Options
Confidential
Exposure to or experience with basic software design patterns and principles Consistent demonstration of clear and concise written and verbal communication skills Experience with Javascript and/or the React.js framework would be useful and looked upon favourably. What we can offer you We work hard to have a positive more »
Posted:

Tech Lead -Exchange

London, United Kingdom
Hybrid / WFH Options
Confidential
products. The ability to convey complex ideas to both technical and non-technical audiences. A proficiency in multiple programming languages and platforms, such as JavaScript, Terraform, React etc. Experience with cloud platforms such as AWS, Azure and Google Cloud (AWS preferred) Familiarity with continuous integration, continuous deployment (CI/CD more »
Posted:

Solutions Specialist

London, United Kingdom
Hybrid / WFH Options
Confidential
enterprise clients, from requirements gathering through implementation and support. Proficiency in cloud-based technologies, APIs, databases, and integration frameworks. Experience with coding technologies like JavaScript/Ruby/Python, SQL Experience with MS Office, Confluence, Jira (including epics, stories, and sprints) Excellent communication skills, with the ability to effectively translate more »
Posted:

Senior Engineer

London, United Kingdom
Hybrid / WFH Options
Confidential
million trade events and generate 20 billion unique quotes per day. We practice agile, test-first and collaborative development using Java, Kotlin, C++, JavaScript and Oracle and leverage cutting-edge technologies such as MongoDB, ClickHouse, Kafka, Redis, Ignite, gRPC, Spark, and Tableau. We build cloud-ready solutions and host them more »
Posted:

Application Security Engineer

London, United Kingdom
Hybrid / WFH Options
Palantir Technologies
deploymentsWhat We RequireDevelopment or software engineering experience and a deep passion for information securityExperience with a modern high-level programming language (e.g. Java, Golang, Javascript, Python, etc.)Demonstrated experience evaluating code for vulnerabilities and weaknessesExperience with complex architectures and codebases (e.g. SOA or micro-services)Experience utilizing/with CodeQL more »
Salary: £ 70 K
Posted:

C# .NET Fullstack Developer - Insurance

London, United Kingdom
Adlam Consulting Ltd
plus years of experience required. Looking for a mid-level with 3 plus years experience in Fullstack development; C# - Back End; HTML, CSS, JavaScript, and various frameworks (eg, React, Angular) Front End. Responsible for the development of both Front End web applications and Back End development using C# and or … C# and across .NET Core and .NET Framework as we look to extend and modernise our existing systems. Entity Framework, React, RESTful, Razor Pages, Javascript, React, Angular, JQuery, Bootstrap, SQL Server, Version control (Git & DevOps), TDD, Jira, Azure DevOps development. Partly Remote - 3 days a week in the office + more »
Employment Type: Permanent
Salary: GBP 65,000 Annual
Posted:

Full Stack Developer

London, United Kingdom
Rullion
implement scalable and secure back-end systems using technologies such as PostgreSQL, Microsoft SQL, and Object Relation Modelling. Develop robust front-end applications utilizing JavaScript frameworks like Vue.js and jQuery, ensuring a seamless user experience. Participate in the full software development lifecycle, from requirements gathering and design to testing and … with proven experience in software engineering and programming. General knowledge of FX transactions and workflows within a brokerage or trading environment. Strong proficiency in JavaScript, Vue.js, JSON, and Spring Boot for front-end development. Experience with Microsoft technologies including .Net, .Net Core, .Net MVC, and Microsoft Azure. Proficiency in database more »
Employment Type: Permanent
Salary: £70,000
Posted:

Senior Full Stack Developer (Ruby/React)

London, United Kingdom
Confidential
project streams for the leadership team. Paying Up to 95k Hybrid in London Client Facing from the get go Tech Stack - Ruby on Rails, JavaScript, React, AWS Actively interviewing, please get in touch ASAP to register interest Senior Full Stack Developer(Ruby/React) - Hybrid - Up to 95k more »
Posted:

Dynamics 365 Developer CRM/Customer Service/Sales Enterprise/C#/Azure - Global

London, United Kingdom
Confidential
Extensive D365 CRM hands on development experience (mid level) Extensive experience of D365 CRM Customer Service and Sales Enterprise modules High proficiency in C#, Javascript, Typescript Exposure to Azure services, Power Platform and DevOps practices Experience deploying D365 CRM solutions in global organisations Any exposure to Peppermint or other solution more »
Posted:

Power Platform Developer - £50K - Remote

London, United Kingdom
Hybrid / WFH Options
Develop
team to deliver the business requirement while guiding on best value approaches. Skills Required: Dynamics 365 PowerApps and Power Automate Technical skills such as JavaScript, C#, .NET, Azure Logic Apps, Azure Functions Desirable to have experience with Dynamics 365 Customer Voice Experience with full development lifecycle. Planning, Analysis, Design, Implementation more »
Employment Type: Permanent
Salary: £50,000
Posted:

Mid- Senior Ruby Developer - Full Stack - London Hybrid

London, Broad Street, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
a number of developer positions available. I am currently still looking for 2+ developers with the below requirements: Ruby experience: 3-5+ years JavaScript experience: Vue, Typescript would be ideal good communication skills have a good understanding of best engineering practices have taken responsibility on leading/managing projects more »
Employment Type: Permanent
Salary: £60000 - £80000/annum
Posted:

Fullstack Node/React Engineer - SaaS platform

London, United Kingdom
Venture Up
and collaboration with team members.Team player, strong communication skills, and empathetic.Job InformationIndustry Technology Salary 90,000 - 110,000 per year plus benefits Tech Stack JavaScript; React Work Experience 4-5 years City London State/Province Greater London Country United Kingdom Zip/Postal Code W1 more »
Salary: £ 100 K
Posted:

Dynamics 365 Lead Developer - CRM/Customer Service/Sales Enterprise/C#/Azure - Global

London, United Kingdom
Smart-Sourcer
on development experience at a senior or lead level Extensive experience of D365 CRM Customer Service and Sales Enterprise modules High proficiency in C#, Javascript, Typescript Exposure to Azure services, Power Platform and DevOps practices Experience architecting and deploying D365 CRM solutions in global organisations Any exposure to Peppermint or more »
Employment Type: Any
Salary: GBP 96,000 Annual
Posted:

Java Developer

London, United Kingdom
Austin Fraser
complex systems. The opportunity to work with - Machine learning, ETL Pipelines, Natural Language processing and Data Visualisation Essential skills: Java 17 - Spring boot& Spring JavaScript (Vue/Node) AWS/Azure Elastic search/InfluxDB It's a rare opportunity to utilise JAVA on Machine Learning projects. If you are more »
Employment Type: Permanent
Salary: £60,000
Posted:

Senior Data Scientist

London, United Kingdom
Confidential
React on the Frontend. Tech & Data Science stack: Kubernetes & Docker on Google Cloud Python 3: Pandas, RabbitMQ, Celery, Flask, SciPy, NumPy, Dash, Plotly, Matplotlib Javascript, React, Redux PostgreSQL, Redis Prometheus, Alert Manager, DataDog If you joined the company in a Data Science role you would be working on sophisticated pricing more »
Posted:

Lead Software Engineer

London, United Kingdom
LinuxRecruit
tech stack with a mindset of using the best tools for the job. You have the opportunity to get hands-on with Golang, Python, JavaScript, Kubernetes, Terraform and AWS. A flexible hybrid model of working is on offer, with an easily accessible central London office. You would be rewarded with more »
Salary: £ 100 K
Posted:

Full Stack Engineer

London, United Kingdom
Hybrid / WFH Options
Confidential
You will have a direct impact on users, the growth of business revenue and their core products. Tech Stack: Ruby, Ruby on Rails, Vue.js, Javascript, HTML , CSS, AWS, Heroku, PostgreSQL, MongoDB. You will need: 3 years experience in Software Engineering with Ruby on Rails. A strong product-focused mindset and more »
Posted:

Senior Fullstack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Tec Partners
status. Keywords If you have experience in any of these areas, we encourage you to apply: Fullstack, Front End, Back End, Python, AWS, React, JavaScript, Golang, Generative AI, Machine Learning, startups, supply chain, logistics, delivery networks. Contact Interested candidates are encouraged to apply by emailing more »
Employment Type: Permanent
Salary: £100000 - £130000/annum equity
Posted:

Application Security Engineer

London, United Kingdom
Confidential
and engineering teams. Write comprehensive guidance for the selected security tooling. Provide technical support for our products. Experience & Core Technical Skills: Proficiency in Python, JavaScript, or Java. Experience deploying Application Security Tooling (SCA/SAST/DAST/IaC Security) into DevOps environments. Deep understanding of application security across Web more »
Posted:

Ruby developer

City of London, London, United Kingdom
Movement8
Ruby Developer - £65k - £80k Skills Ruby, Ruby on Rails, JavaScript, HTML, CSS, Sidekiq, PostgresQL. Here at Movement8, we have an exciting opportunity working with a fast-growing SaaS company based in the heart of London. They have rapidly gained enormous traction, growing their number of users by more than more »
Employment Type: Permanent
Salary: £75,000
Posted:

Lead Full Stack Engineer

London, United Kingdom
Spectrum IT Recruitment
make pivotal decisions on how the system is designed and architected. This is a hands-on role, requiring exceptional coding skills for Java/JavaScript based applications. There will be line management requirements however this is secondary to being the technical lead. Key responsibilities: Design, architect, and code cutting edge more »
Employment Type: Permanent
Salary: £90000 - £95000/annum
Posted:

Software Engineer (Smart Lighting)

Harlow, London, United Kingdom
Ernest Gordon Recruitment
high tech smart lighting systems Developing, debugging and coding embedded devices Training and development where needed THE PERSON: Full stack web developer for Node.js, JavaScript and Embedded Linux Knowledge of embedded web servers, like STB (Set Top Box) or Routers Commutable to Harlow Keywords: Embedded Software, Software Engineer, Web Developer more »
Employment Type: Permanent
Salary: £60,000
Posted:

SEO Lead

London, England, United Kingdom
Central Employment Agency (North East) Limited
work effectively across cross-functional teams Creative problem-solving abilities and a proactive approach to identifying opportunities for improvement. Familiarity with HTML, CSS, and JavaScript is a bonus, but not a requirement. JBRP1_UKTJ more »
Posted: