10 of 10 Contract Node.js Jobs in the South East

Senior Software Engineer - HubSpot Contract

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £590 per day
stakeholders: Architect, Engineering leadership, Delivery, Commercial team Hybrid environment with flexible UK/EU remote options; Holborn office optional Required Skills & Experience Must-have: Node.js/TypeScript/JavaScript in production Experience with large, complex backend systems Cloud experience (preferably AWS; GCP/Azure also fine) System design & architecture experience ...

Lead Software Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £590 per day
Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design & architecture ...

Lead Software Engineer - Gaming Experience Needed Contract

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £590 per day
Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design & architecture ...

Lead Back-End Software Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
improvements.* (Nice to have) Drive smooth, reliable operation of CDM and HubSpot through clear technical ownership. Your Skills and Experience * Strong capability in Node.js, JavaScript and TypeScript within complex backend environments.* Confident designing scalable systems and making architectural decisions.* Effective collaborator with product, delivery and commercial teams.* Experience working ...

C# / C++ Software Engineer

Hiring Organisation
Certain Advantage
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£65 per hour, Benefits Overtime Rate
Knowledge of using Microsoft Windows and Linux operating systems Non-essential: Distributed simulation standards/Protocols (DIS, HLA, DDS) and web services development (JavaScript, Node JS or similar) Military Communications, Datalinks and Interfaces such as 1553/1760 and Ethernet TCP/IP Practical knowledge of System integration principles ...

Senior Analyst

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£47,000 - £56,000 per annum
expertise across projects and operational work Ensure secure, stable and scalable services across the learning systems landscape Technical environment Moodle VLE PHP JavaScript CSS NodeJS REST APIs Linux environments Integration with other enterprise systems Learning technology platforms such as lecture capture tools What they are looking for Strong Moodle development ...

Contract AI Systems Architect

Hiring Organisation
Spectrum IT Recruitment
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Proven experience building production-grade LLM systems Hands-on RAG implementation Experience with OpenAI and Anthropic APIs Strong vector database experience Backend architecture expertise (Node.js or Python) Experience designing structured JSON pipelines Experience working with offshore development teams B2B SaaS background would be highly desirable This is a unique position ...

Senior Backend Engineer Node.js, TypeScript

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £600 per day
Senior Backend Engineer (Node.js, TypeScript)Outside IR35 | Up to £600/day | 6 monthsUK/EU Remote | ASAP Start We're supporting a recently acquired sports and gaming technology business as they strengthen their senior engineering capability across core backend platforms and data systems. They're hiring 2x Senior Backend … roles will also support HubSpot integrations, though this is a nice to have rather than a core requirement. The RoleYou'll be working across Node.js and TypeScript services that power multiple websites, internal tools and commercial data platforms. This is a technical leadership position without line management, suited to engineers ...

Microsoft Teams App Developer / Microsoft 365 Solutions Developer

Hiring Organisation
Lynx Recruitment Ltd
Location
High Wycombe, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
limitations while delivering a robust UX Technical Environment Front End React TypeScript Microsoft Teams JavaScript SDK Fluent UI Backend & Cloud ASP.NET Core (C#) or Node.js Azure Functions and/or Azure App Service Azure SignalR or WebSockets Microsoft Graph API (Teams, users, meetings) Architecture & Concepts Real-time systems Role-based … building custom Microsoft Teams applications Strong Microsoft 365 and Azure experience Solid React and TypeScript skills Backend API development experience (C#/.NET or Node.js) Experience with real-time communication patterns Strong enterprise UX mindset — clear, accessible, and foolproof Ability to work with platform constraints and still deliver reliable solutions ...

Tech Lead - TypeScript - Node (Contract)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£575 - £590 per day
Delivery Manager Supported by 1 Architect; Product hire joining soon Distributed across UK & Poland; hybrid working with optional Holborn office Required Skills & Experience Node.js & TypeScript in production systems AWS or other cloud at scale Experience owning large, complex backend systems Proven mentorship or tech lead experience Strong system design & architecture ...