826 to 850 of 872 JavaScript Jobs in London

integrations, and building developer resources (APIs, SDKs, technical documentation). Solid experience across Integrations, Full Stack Web Development, and Cloud Architecture. Proficiency in one or more of the following: JavaScript, Node.js, Python (or equivalent modern frameworks/languages). Demonstrated success in leading technical teams, particularly those focused on integrations or developer-facing products. Exceptional interpersonal and communication skills – able …/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/Full Stack Developer/Solutions Architect/Cloud Engineer/Platform Integrations Lead/Node.js/JavaScript/Python/API/Cloud Architecture/Swagger/Computer Science/Software Engineering/Integration Architect/API Solutions Lead/Technical Project Manager/SaaS Platform Engineer More ❯

Minimum 5+ ServiceNow CIS certifications Experience 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability todemonstrate advanced scripting and integration skills-JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. What's in … Minimum 5+ ServiceNow CIS certifications Experience 3 product lines outside of ITSM (e.g. ITOM, ITAM, HAM/SAM, SPM, HR, CSM, etc.) Ability todemonstrate advanced scripting and integration skills-JavaScript, SQL, API Web Services Experience integrating ServiceNow with Cloud Infrastructure (e.g AWS, Azure, GCP) Security Clearance is desirable, or the ability to obtain SC clearance is required. Locations London Birmingham More ❯

I am currently working with a global engineering client who are actively seeking a Fullstack .Net Developer on a long-term contract basis. What you'll need to succeed 10+ years' .Net Development experience, ideally in a large-scale organisation. More ❯

I am currently working with a global engineering client who are actively seeking a Fullstack .Net Developer on a long-term contract basis. What you'll need to succeed 10+ years' .Net Development experience, ideally in a large-scale organisation. More ❯

What You'll Do Framework front-end experiments using HTML, JavaScript, and CSS for the Spotify website. Deploy experiments using our in-house testing tool or a third-party tool. Work across a diverse tech stack including React, PHP, and Next.js. Develop bold and tactical experiment hypotheses based on data and research insights. Focus on driving key performance indicators (KPIs … and with marketing and business stakeholders for campaigns or specific traffic sources. Who You Are 2+ years of experience coding with front-end technologies required to run experiments, including JavaScript, CSS, HTML Experience in conversion rate optimization, A/B testing and master A/B test principles and methodologies Experience working with JavaScript frameworks such as React, Angular is More ❯

authorization and identity federation. Expertise with single sign on, OAuth2, OIDC, PKI, PSD2 SCA knowledge and possession based authentication. ForgeRock developer experience with PingGateway, PingAM, PingIDM and PingDS, including JavaScript coding of PingGateway scripted routes, and PingAM authentication tree nodes Strong hands-on coding across either JavaScript or Java, and you must be comfortable in designing extensible IAM APIs for More ❯

Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote Charles Simon Associates are exclusively recruiting for an Integration Engineer on an initial 3-month contract with the potential to extend. Location: Remote Day Rate: £450–£550 per day Inside IR35 Start Date: Ideally W/C 29th September Role Overview: We are looking for a skilled Integration … Strong knowledge of HL7 v2.x, HL7 v3, and FHIR interoperability standards. Hands-on experience with integration engines such as Mirth Connect, Rhapsody, Cloverleaf, or InterSystems Ensemble. Proficiency in Java, JavaScript, Python, or C#/.NET for scripting and interface development. Experience designing and consuming REST/SOAP APIs (JSON, XML). Solid understanding of healthcare workflows and clinical systems (Epic … . Strong SQL/database skills for data transformation and troubleshooting. Familiarity with healthcare data security protocols and compliance frameworks. Integration Engineer – (Healthcare, HL7, FHIR, Cloverleaf, APIs, Java, Python, JavaScript) – Contract – Remote More ❯

Dynamics 365 and Power Platform Developer Javascript, C#, .NET Remote (must be UK based and eligible for SC Clearance) No sponsorship can be offered About the Role We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer to join a growing digital transformation team. This is a hands-on technical role where you will implement, configure, and extend Dynamics … and solution architecture in a collaborative, innovative environment. Key Responsibilities Implement and configure D365 CE modules, including entities, forms, views, workflows, and business rules. Develop custom plugins, workflows, and JavaScript to extend D365 CE functionality. Build and maintain Power Automate flows , Power Apps, and Power Pages solutions. Integrate D365 CE with external systems using Azure Logic Apps, APIs, and other … with cross-functional teams to deliver high-quality solutions. Skills & Experience Proven hands-on experience with Dynamics 365 CE/D365/Dynamics CRM . Strong coding skills: C#, JavaScript, custom plugins, Web API, SDK . Experience with Power Platform : Power Automate, Power Apps, Power Pages. Knowledge of integrations with Azure services, SSIS, and SQL Server. Understanding of Dynamics More ❯

Dynamics 365 and Power Platform Developer Javascript, C#, .NET Remote (must be UK based and eligible for SC Clearance) No sponsorship can be offered About the Role We are seeking an experienced Dynamics 365 Customer Engagement (CE) Developer to join a growing digital transformation team. This is a hands-on technical role where you will implement, configure, and extend Dynamics … and solution architecture in a collaborative, innovative environment. Key Responsibilities Implement and configure D365 CE modules, including entities, forms, views, workflows, and business rules. Develop custom plugins, workflows, and JavaScript to extend D365 CE functionality. Build and maintain Power Automate flows , Power Apps, and Power Pages solutions. Integrate D365 CE with external systems using Azure Logic Apps, APIs, and other … with cross-functional teams to deliver high-quality solutions. Skills & Experience Proven hands-on experience with Dynamics 365 CE/D365/Dynamics CRM . Strong coding skills: C#, JavaScript, custom plugins, Web API, SDK . Experience with Power Platform : Power Automate, Power Apps, Power Pages. Knowledge of integrations with Azure services, SSIS, and SQL Server. Understanding of Dynamics More ❯

Senior Netsuite Developer Our Client is a leading company who are looking to recruit a Senior Netsuite Developer with Javascript and SQL with extensive Netsuite OneWorld expertise. You will have a degree in Computer Sciences or equivalent certifications. Must have technical working knowledge of NetSuite OneWorld Financials platform, including relevant NetSuite certifications. Ideally have at least 5 to 7 years … experience of developing in Javascript and Oracle SQL in order to develop applications for Netsuite including a minimum 5 years in NetSuite OneWorld. Experience of full software delivery lifecycle including capturing business requirements, developing solutions, user testing & training, post go-live support and optimisation. Experience of integrating Finance packages with other strategic solutions including CRM and eCommerce platforms. Must be More ❯

SC Clearance (UK resident for the last 5 years with no trip abroad over 28 consecutive days) Essential: Experience with GDS prototyping toolkit and Coding experience with HTML, CSS, Javascript/Nunjucks Role Overview We're seeking a user experience designer who can take ownership of the design lifecycle from discovery through to delivery. You’ll be working alongside multidisciplinary … Develop digital and paper-based prototypes quickly to test ideas Contribute to inclusive design practices that meet accessibility standards Code low-fidelity or functional prototypes using HTML, CSS, and JavaScript when needed Required Skills and Experience Eligible for SC Clearance Hands-on experience applying Government Digital Service standards and design principles Familiarity with GDS prototyping toolkit Proficiency with industry-standard More ❯

SC Clearance (UK resident for the last 5 years with no trip abroad over 28 consecutive days) Essential: Experience with GDS prototyping toolkit and Coding experience with HTML, CSS, Javascript/Nunjucks Role Overview We're seeking a user experience designer who can take ownership of the design lifecycle from discovery through to delivery. You’ll be working alongside multidisciplinary … Develop digital and paper-based prototypes quickly to test ideas Contribute to inclusive design practices that meet accessibility standards Code low-fidelity or functional prototypes using HTML, CSS, and JavaScript when needed Required Skills and Experience Eligible for SC Clearance Hands-on experience applying Government Digital Service standards and design principles Familiarity with GDS prototyping toolkit Proficiency with industry-standard 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 Digital Transformation deployment, go live, service introduction and post go live activities.* Develop and provide technical guidance and oversight of customisations, including plugins, workflows, Power Automate flows, and JavaScript, ensuring efficient, reusable, and well-documented code.* Integrate D365 CE with other applications and systems using tools like Azure Logic Apps, Power Automate, and custom APIs.* Oversee the Dynamics … arise.What you need:* In-depth understanding of the Dynamics 365 Customer Engagement (CE) platform, including its architecture, entities, relationships, security model, and customisation.* Proficiency in programming languages including C#, JavaScript and JSON with strong knowledge in Dynamics CRM and Power Platform, Unified Service Desk (USD), SQL Server Reporting Services (SSRS), SSIS packages development and Azure Cloud and integration.* Proficiency in More ❯

Responsibilities: Independently design and develop automation solutions using Python, focusing on operational support systems and automation. Lead code reviews and ensure code quality. Develop and implement user interfaces using JavaScript and React. Develop and maintain server-side logic using Python, managing APIs, and integrating third-party services. Design and manage databases in Postgres, ensuring data integrity and security. Build and … systems and automation solutions in Python. Experience leading code reviews. Hands-on experience with Selenium and iOS functional automation. Experience with testing activities throughout the project lifecycle. Proficiency in JavaScript and React for front-end development. Experience with Python for back-end development, API management, and third-party service integration. Experience with Postgres database design and management. Expertise in building More ❯

Responsibilities: Independently design and develop automation solutions using Python, focusing on operational support systems and automation. Lead code reviews and ensure code quality. Develop and implement user interfaces using JavaScript and React. Develop and maintain server-side logic using Python, managing APIs, and integrating third-party services. Design and manage databases in Postgres, ensuring data integrity and security. Build and … systems and automation solutions in Python. Experience leading code reviews. Hands-on experience with Selenium and iOS functional automation. Experience with testing activities throughout the project lifecycle. Proficiency in JavaScript and React for front-end development. Experience with Python for back-end development, API management, and third-party service integration. Experience with Postgres database design and management. Expertise in building 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 ❯

technology from anywhere in the world. Key Skills We're Looking For Python (Flask): A solid foundation in Python is essential for this role, particularly with the Flask framework. JavaScript (React): Experience in JavaScript is required, ideally with React for building intuitive user interfaces. NoSQL Database Experience (CosmosDb): Familiarity with NoSQL databases, preferably CosmosDb, is an integral part of the More ❯

technology from anywhere in the world. Key Skills We're Looking For Python (Flask): A solid foundation in Python is essential for this role, particularly with the Flask framework. JavaScript (React): Experience in JavaScript is required, ideally with React for building intuitive user interfaces. NoSQL Database Experience (CosmosDb): Familiarity with NoSQL databases, preferably CosmosDb, is an integral part of the More ❯

Role :Java Fullstack Lead Location :London, UK(Hybrid) Duration: Fulltime Responsibilities: • 12+years of overall experience with strong Front end development experience • Hands on multiple skills such as Java, Python, JavaScript, Framework using Java & React tech stack • Backend experience: Java 17 with Sprint Boot 3.0.5 • Frontend experience: React17 with Material UI v5. Responsibilities: • 12+years of overall experience with strong Front end … development experience • Hands on multiple skills such as Java, Python, JavaScript, Framework using Java & React tech stack • Backend experience: Java 17 with Sprint Boot 3.0.5 • Frontend experience: React17 with Material UI v5. More ❯

Senior Ruby Developer - Up to £100,000 - SaaS Salary: Paying £70,000 - £100,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer base and … of scale, performance, and innovation head-on. They take great pride in the company culture they've built with low attrition across the board. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more, moving fast with interviews (Senior Ruby Developer). Senior Ruby Developer - Paying Up to More ❯

Senior Ruby Developer - Up to £100,000 - SaaS Salary: Paying £70,000 - £100,000 depending on experience Location: Hybrid working in Central London Office Tech Stack: Ruby on Rails, JavaScript, React, AWS👩🏻‍💻 The Company 🚀 I’m working with a scaling SaaS company that’s transforming the way businesses operate within their respective industry. They have a large customer base and … of scale, performance, and innovation head-on. They take great pride in the company culture they've built with low attrition across the board. Desired Skills ⚙️ Ruby on Rails JavaScript React AWS Please apply now if you'd be interested in finding out more, moving fast with interviews (Senior Ruby Developer). Senior Ruby Developer - Paying Up to More ❯

leading international eCommerce organization committed to driving innovation through AI. We are looking for a Senior Frontend Developer to lead the modernization of our core systems, utilizing React and JavaScript to enhance performance and efficiency. Your expertise will be key in transforming our technology stack and implementing AI-powered solutions. About the Role: Play a pivotal role in transforming our … workflows. Modernize critical systems and implement intelligent solutions that support business growth and efficiency. Key Responsibilities: Lead the migration of legacy systems to a modern tech stack using React, JavaScript, and cloud platforms. Design and implement AI-driven solutions to improve code quality, automate tasks, and boost productivity. Collaborate with IT and product teams to redesign and enhance core business More ❯

Senior Dynamics Developer Job Description Our client is an established Dynamics 365 CE end user who are seeking a talented mid/senior Dynamics 365 CE Developer to join their forward-thinking delivery team in London. This hybrid role is More ❯

Senior Dynamics Developer Job Description Our client is an established Dynamics 365 CE end user who are seeking a talented mid/senior Dynamics 365 CE Developer to join their forward-thinking delivery team in London. This hybrid role is More ❯