javascript jobs in London

Job Title: BackEnd Technical Support Developer Location: London, UK Work Pattern: Hybrid – 3 days onsite, 2 working from home Salary: up to £50,000 per annum + on call bonus Job Position: Permanent Additional Info: This position does require you to be on call every 5th week (extra pay on top of your salary) We are looking for a dedicated...

We’re looking for a talented and driven CRO/UX Lead to join our clients in-house digital team at a fashion brand. You’ll be responsible for leading conversion rate optimisation strategy and enhancing the user experience across the ecommerce platform. This is an exciting opportunity for someone passionate about data-driven design and creating seamless,...

Project descriptionJoin the Equity Accelerator programme, a strategic multi-year transformation initiative focused on modernizing Prime Finance Equities platforms. The role involves developing and enhancing institutional-grade trading and post-trade systems using cloud-native, event-driven architectures while delivering advanced client-facing features....

Third Republic are exclusively working with a Payments company that are based in London but now operate on a remote model. Due to hyper-scaling, they are looking for strong Front End Developers with experience using modern frameworks such as VueJS Angular.JS, React & Redux What You'll Be Doing: Role: Ownership of your domain Independent path to production...

About the Role We are seeking a hands-on ServiceNow Developer to build, integrate and support telecom solutions across TSM, TSOM, CSM, ITSM and CMDB/CSDM. Key Responsibilities: · Configure and develop ServiceNow solutions and telecom service-assurance workflows. · Develop Business Rules, Script Includes, Client Scripts, UI Policies, ACLs and...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

About Us:Based in San Francisco, California, Turing is the world's leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who...

DescriptionRole overview We are looking for a highly experienced, hands-on Lead CRO Developer to build and deliver A/B and multivariate experiments across our client accounts. This is fundamentally a development role. The majority of the role is hands-on coding, implementation, QA and troubleshooting of experiments, not CRO strategy, programme management,...

Our client in London is seeking a Triage Specialist for a 6 month hybrid role (3 days in office, 2 days remote) The main function of a Triage Specialist is to investigate the product quality of Ads/Commerce products and provide technical resolution to Customer/Sales.Investigation and Troubleshooting:Lead end-to-end investigation of the most complex,...

We are exclusively working with an exciting Branding company who are shaping the Entertainment/Media industry with their innovative and analytics technology platform. As a business they thrive of the start to finish attitude, someone who isn't afraid to get their hands dirty and solve complex problems, high energy and comfortable working outside of rigid...

OverviewKey Duties (Including but not limited to):Develop and document proprietary software packages that integrate third party modelling software with the company’s existing software/databasesSoftware analysis of advanced scientific data to model potential catastrophic eventsMaintain the company’s software and develop methodologies to help the Company...

Software Engineer I am currently recruiting for a Software Engineer to join a leading organisation within the public sector. Within this role, the ideal candidate must have previous experiences of working across the full stack including: Java, AWS and Springboot. Location - Fully Remote Salary - £65,000 Responsibilities Design, develop and maintain complex...

DescriptionCreditstar Group is a rapidly growing international consumer finance company, headquartered in Tallinn, Estonia and operating in multiple European markets.At the core, we are a financial technology company that uses automated processes, algorithms and data analysis to make financial instruments easily available to a population of more than 175...

C3 AI (NYSE: AI), is the Enterprise AI application software company. C3 AI delivers a family of fully integrated products including the C3 Agentic AI Platform, an end-to-end platform for developing, deploying, and operating enterprise AI applications, C3 AI applications, a portfolio of industry-specific SaaS enterprise AI applications that enable the digital...

Job Reference: NJ0308Date Posted: 24 September 2026Recruiter: Nexus Jobs LimitedLocation: West LondonSalary: 55,000 to 60,000Sector: I.T. & CommunicationsJob Type: PermanentWork Hours: Full TimeContact: Jas GujralEmail: : Apply for this job nowJob DescriptionFull Stack Dot Net Software DeveloperOur Client is an established leader in the travel...

Company DescriptionAt The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across 30+ countries, we strive for fair and unbiased...

gTech Ads mission is to serve as a proactive strategic partner to the largest advertisers in the UK, managing sustainable growth through technical innovation, growth services, and operational excellence. We are transforming our role from traditional operational support into a core business partner accountable for our customers' long-term success. Minimum...

About 1st Formations At 1st Formations, we empower entrepreneurs to start, run, and grow their businesses with confidence. Running a business shouldn’t be slowed down by company formation, statutory compliance, accounting, or payroll. From day one, these essentials should be seamless, reliable, and intelligently handled — freeing founders to focus on...

Senior Web Security EngineerAbout iProoviProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI...