Contract Front End Development Jobs in London

13 of 13 Contract Front End Development Jobs in London

Front End Developer

South Croydon, Surrey, England, United Kingdom
Hybrid / WFH Options
Sanderson
Job Title: Front-End Developer (Public Sector - SC Cleared) Contract : £400-£450/day Outside IR35 Location : Hybrid (London-based) Duration : 6 months (Mid-December start - End of June) Security Clearance : SC Clearance required Overview We're looking for a talented Front-End Developer to join a newly formed Data Team within a public sector … serve as the primary access point for stakeholders to explore data, monitor performance, and make informed decisions. Key Responsibilities Interface Development :Design and build a centralised front-end application that integrates outputs from dashboards, reports, models, and data pipelines into a single, intuitive view. Accessibility Compliance :Ensure the interface meets WCAG 2.2 standards, promoting inclusive … drill downs using frameworks like React , Vue , or Angular , and libraries such as D3.js or Chart.js . API Integration :Collaborate with Data Engineers to ensure seamless integration with back-end APIs and data services, managing data flow and security. User-Centred Design :Participate in user testing and feedback sessions to iterate on design and functionality. Documentation & Scalability :Maintain component More ❯
Employment Type: Contractor
Rate: £400 - £450 per day, Inc benefits
Posted:

Full Stack Engineer Gen AI Focus

London, South East, England, United Kingdom
Hybrid / WFH Options
Morgan McKinley
to join their Automation Team, focusing on Gen AI solution building and automation. This is a senior, hands-on role where you'll design, build and optimise both back-end and front-end systems, contributing to cutting-edge AI initiatives across multiple projects. Key Responsibilities: Design, develop and maintain server-side logic using Python and manage … APIs for integration with third-party services. Develop front-end interfaces using JavaScript and frameworks such as React. Build and deploy Agentic systems and Retrieval-Augmented Generation (RAG) systems with Large Language Models (LLMs). Participate in privacy automation programs, including workflows for user approvals and reviews. Implement and maintain CI/CD pipelines in Jenkins to streamline … multiple initiatives simultaneously. Key Qualifications: Experience designing and developing operational support systems and automation solutions in Python. Experience leading code reviews and ensuring quality in team deliverables. Strong back-end development experience, with a focus on AML, data integrity and scalable solutions. Experience with front-end development (React/JavaScript) and More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Fullstack Python React Software Engineer

London, United Kingdom
Teksystems
LLM - Python React Engineer - Contract Opportunity London Hybrid based - 70% Python - 30% React Job Description We are seeking a highly skilled Python Fullstack Engineer with extensive experience in both front-end and back-end development. This role is very interesting as you will also be working with LLM's and AI/ML. Knowledge of LangChain or … Haystack or Llamalndex Essential Skills 10+ years of experience in designing and developing operational support systems and automation solutions using Python. Front-end development skills, including designing and implementing user interfaces using JavaScript and frameworks such as React. Back-end development skills, including maintaining server-side logic using Python, managing … the latest trends in AI/ML to influence design decisions. Develop test strategies, plans, cases, and scripts for both existing functionality and new features. Balance new feature development with documentation and on-time delivery. Communicate status and progress through sprint review reports, presentations, and demos for new features and MVPs. Participate in Scrum ceremonies and cross More ❯
Employment Type: Contract
Posted:

Contract Front End Developer / Outside IR35

London, South East, England, United Kingdom
Hybrid / WFH Options
Avanti
Contract Front End Developer/Outside IR35 We’re supporting a technology company who are scaling their product delivery and looking for an experienced Front End Developer to join on a contract basis. You’ll be working on new features, performance improvements, and delivering high-quality, maintainable code across web applications. You’ll be part of … a collaborative engineering culture with a strong emphasis on modern frameworks, accessibility, and best practices in front-end delivery. Tech stack includes: React Next.js (App Router, server-side) TypeScript Tailwind CSS Alby & Temporal UI component libraries/design systems GitHub/GitLab CI/CD This role is hybrid in London and sits outside IR35. If you More ❯
Employment Type: Contractor
Rate: £500 per day
Posted:

Tableau Developer

London, South East, England, United Kingdom
Harnham - Data & Analytics Recruitment
TABLEAU DEVELOPER £400 PER DAY INSIDE IR35 HYBRID - 2-3 DAYS PER WEEK (LONDON) 3-MONTH CONTRACT THE COMPANY: A leading organisation is seeking a highly skilled Front-End Tableau Developer with a strong focus on UI/UX design. THE ROLE: As a Tableau Developer, your responsibilities will include: Designing and building front-end Tableau … as the function scales. Working with Geospatial and mapping data. YOUR SKILLS AND EXPERIENCE: A proven track record in designing and building user-centric Tableau dashboards. Strong skills in front-end development with a clean, modern, and intuitive visual style. Deep understanding of design principles and data visualisation best practices. Comfortable working with Geospatial data More ❯
Employment Type: Contractor
Rate: £400 per day
Posted:

Full Stack Engineer AI/ML, Python, Agentic

London, South East, England, United Kingdom
Hybrid / WFH Options
Salt Search
ensuring quality in others' work. Hands-on experience with Selenium, and iOS functional automation. Experience with testing activities across the entire lifecycle of the project from inception to delivery. Front-End Development: Design and implement user interfaces using JavaScript, and frameworks such as React. Back-End Development: Develop and maintain server … Large Language Models (LLMs). Extract, transform, and load (ETL) data to build vector databases with embedding models. DevOps and Maintenance: Implement CI/CD pipelines to streamline development workflows in Jenkins. Monitor application performance and troubleshoot issues to maintain reliability and availability. Preferred Qualifications: Experience with building multi-agent systems and understanding of multi-agent design … within to inform and influence design decisions. Develop test strategies, plans, cases, and scripts for both existing functionality and new features. Contribute to multiple initiatives, balancing new feature development with documentation and on-time delivery. Communicate status and progress in a timely manner, including sprint review reports, presentations, and planning demos for new features and MVPs. Participate More ❯
Employment Type: Contractor
Rate: £500 - £700 per day
Posted:

Senior Java Developer

London, South East, England, United Kingdom
Proactive Appointments
experienced Senior Java Developer to join their dynamic technology team. This role offers the opportunity to work on high-impact financial applications, driving innovation and excellence in software development within a fast-paced and regulated environment. As a Senior Java Developer, you will play a key role in designing, developing, and maintaining enterprise-grade applications, while mentoring … reviews and provide constructive feedback. Collaborate with cross-functional teams to define, design, and deliver new features . Troubleshoot and debug complex issues. Required Qualifications Professional Java software development experience. Strong understanding of object-oriented programming and design patterns . Hands-on experience with Spring and Hibernate frameworks. Solid experience with relational databases (MSSQL, Oracle). Proven … Azure, or GCP). Exposure to microservices architecture . Familiarity with containerization (Docker, Kubernetes). Knowledge of NoSQL databases (e.g., MongoDB). Experience with message queues (Kafka, Solace). Front-end development exposure (React, Angular, Vue.js). Experience building CI/CD pipelines . Senior Java Developer Due to the volume of applications received for More ❯
Employment Type: Contractor
Rate: £600 - £700 per day
Posted:

Visual Designer with Power BI

London, United Kingdom
Experis
communication and stakeholder engagement skills Attention to detail and a user-first mindset Experience with creating bespoke Power BI theme files and custom visuals Background in design, HCI, or front-end development More ❯
Employment Type: Contract
Rate: £400 - £425 per day
Posted:

User Researcher Inside IR35 Government

South West London, London, United Kingdom
Hybrid / WFH Options
Interact Consulting Limited
You will be a User Experience (UX) Research specialist that is passionate about research, user centered design, and building great products. An advocate of rapid iterative testing during development and upfront product discovery research. You will have created and led UX Research processes and strategy within an agile development environment, whilst working across multiple … depth interviews, user groups, or remote evaluations, you will bring the right set of tools to solve the problem/answer the questions. Working closely with design and development teams to ensure the UX specification is successfully translated into visual design and code you must offer 3-4 years' experience working at an Agency or clientside doing user research, quantitive and qualitative research, or usability roles. The researcher would be consulting alongside a UX team of 2 designers, one junior researcher and two Front End developers and within a mature delivery team. You need to be highly experienced, able to lead on research planning and focussed on research rather than design. Due More ❯
Employment Type: Contract, Work From Home
Posted:

Java Swing Developer

London, United Kingdom
Ascendion
talented Java Developer with expertise in Swing and FX trading to join our team in London/Bromley. Develop and maintain Java applications with a focus on Swing for front-end development. Collaborate with traders and quants to create and enhance trading and pricing tools. Implement real-time data processing and analysis to support trading operations. Build and More ❯
Employment Type: Permanent, Contract
Posted:

Senior Platform Delivery Lead (BPMN & DMN - Camunda)

London, United Kingdom
Adecco
environment Experience in onshore and offshore delivery team leadership Experience in internal and third-party architecture and engineering resources management Experience in performance management of resources, training and development Thorough understanding of IT controls and software development lifecycle Positive mindset to drive excellence and continual improvement in IT service delivery Excellent analytical and problem … utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana More ❯
Employment Type: Contract
Posted:

Senior Platform Delivery Lead BPMN & DMN - Camunda

London, South East, England, United Kingdom
Adecco
environment Experience in onshore and offshore delivery team leadership Experience in internal and third-party architecture and engineering resources management Experience in performance management of resources, training and development Thorough understanding of IT controls and software development lifecycle Positive mindset to drive excellence and continual improvement in IT service delivery Excellent analytical and problem … utilisation. Mentor and Inspire: Lead, manage, and mentor your team, fostering a collaborative environment focused on results. Technical Skills: Orchestration: Camunda 8 (including Zeebe, Operate, Elasticsearch, etc.) Backend Development: Java 21, Spring Boot 3.x, Kafka Frontend Development: Angular 15+, React 18+, REST APIs CI/CD Tools: Jenkins, Docker, Kubernetes Monitoring & Alerts: Prometheus, Grafana More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:

Software Engineer - AI/ML

London, South East, England, United Kingdom
Adecco
is looking for an experienced Software Engineer to join their AI/ML team. This is a fantastic opportunity to contribute to cutting-edge solutions that support the development of innovative therapies and personalised medicine. Key Responsibilities Develop and maintain Python-based web applications and supporting infrastructure. Integrate AI/ML components across frontend, backend, data, and … e.g., pytest ). Strong experience with Google Cloud Platform (GCP) , including Cloud Run and core web infrastructure. Solid understanding of Infrastructure-as-Code tools (e.g., Terraform ) and modular development best practices. Familiarity with agile methodologies and modern DevOps practices. Hands-on experience with tools like Git/GitHub and continuous deployment workflows. Preferred Skills Experience with Docker … and multi-container application architecture. Backend development using FastAPI . Knowledge of AI/ML techniques , especially NLP and language models. Experience with Kubernetes and Google Kubernetes Engine (GKE) . Exposure to frontend development (e.g., React ) is a plus. Please apply with your updated CV if this opportunity aligns with your experience and career More ❯
Employment Type: Contractor
Rate: Salary negotiable
Posted:
Front End Development
London
10th Percentile
£343
25th Percentile
£405
Median
£509
75th Percentile
£638
90th Percentile
£738