Freelance Web Developer jobs in Islington

Our client is seeking a Business Development Director to join on a permanent, full-time basis. This is a key growth role, responsible for driving new client acquisition across the UK & Ireland, with a strong focus on the professional services sector. The successful candidate will own the full sales cycle, building relationships with senior decision makers and delivering tailored solutions that...

You will play a key role in shaping front-end architecture, improving performance and accessibility, and supporting personalisation initiatives. The role also includes mentoring responsibilities and close collaboration with cross-functional teams.

You will lead engineers working across frontend, backend, UX and data, while collaborating closely with other technical teams to deliver robust, scalable products.

You will work alongside experienced specialists, influence technical direction, and play a key role in supporting the company’s next stage of growth

You will take a lead role in building high-quality, accessible, and maintainable front-end solutions across a single-page admin platform and a progressive web application. Working closely with UX, design, and backend developers, you will help shape front-end architecture, improve performance, and mentor other engineers.

Development Surveyor (Part-Time) - London Focus Role: Development Surveyor (Freelance / Part-Time) required for a medium sized construction company / developer. They generally deliver new build and refurb projects of residential and commerical property. Location: London-based (Hybrid/Remote with frequent site visits) Commitment: Part time role, will be 1-3 days per week (Flexible) Rate:...

Proclaim Developer – (Proclaim, Development, SQL, PowerAutomate, PowerApps, Python, CMS, Case management) – Permanent – Remote Charles Simon Associates are working with one of our long standing clients who are currently looking to recruit x2 Proclaim Developers on a permanent basis. As a leader in their field, the business is always looking for additional candidates who can add value to their...

Tier 1 Bank - .NET CORE / React / Banking / Architecture Role - C# Developer / .NET Core Duration - 6 months with very likely extensionLocation - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office Rate - £415 p/d inside IR35 Tech Stack C# .NET Core SQL / Oracle React / Typescript Role Deliver, modernise, and support business-critical applications, frameworks and services across...

Java Developer - Active SC, Java, REST Up to £420 per day (Inside IR35) London / Remote 6 months My client is an instantly recognisable Consultancy who are hiring a Java Developer with Active SC Clearance (Security Cleared), Java, ReactJS and NodeJS skills to work with a high profile end client. Key Requirements: Must have Active SC Clearance Strong experience in Java 1.8+ application...

Salesforce Developer Based at client locations, working remotely, or based in our Godalming or Milton Keynes offices. Up to £65k plus excellent company benefits. Due to the nature of this position, you must be willing and eligible to achieve a minimum of SC clearance. To be eligible, you must have been a resident in the UK for a minimum of 5 years and have the right to work in the UK. About...

Description Job Description a. Manage complex FIX implementations and upgrades. b. Respond to requests for technical assistance via phone, email or in person (remotely or on-site). c. Diagnose software and connection issues and recommend the appropriate solution. d. Analyze problems, answer questions, and provide training related to the software. e. Identify and test workarounds for bugs or...

Job Advertisement: Python Developer - Equity Derivatives - 13029 Daily Rate: Negotiable via Umbrella Company Contract Length: 12 months with potential to extend Working Pattern: Full Time, Hybrid 2-3 days a week in the office Location: London Are you a passionate Python Developer eager to make an impact in the exciting world of Equity Derivatives? Our client is on the lookout for a dynamic...

You will also be assigned an expert tutor and a support mentor who will work with you 1-2-1 or in group sessions to provide additional training and support. Once the HTML & CSS courses are complete, your trainer will move you forward to the next stage. Stage 2 – Additional Online Training (*up to 12 weeks)

Senior Dynamics 365 CE Developer Remote or Hybrid (London) Nigel Frank International are partnered with an established Dynamics 365 CRM End User who are looking for a Senior Dynamics 365 CE Developer to provide significant contributions to the design and build of enterprise solutions! Responsibilities Deliver high‑quality customisations across model‑driven apps, including forms, views, command...

You will work within a secure government environment, delivering and enhancing solutions on the Salesforce platform. This role offers the chance to work with cutting-edge Salesforce Industry Cloud technologies while contributing to a high-impact national project. Key Responsibilities

We’re looking for a Senior-level Software Engineer with strong JavaScript/TypeScript skills and experience across modern web stacks. You’ll be instrumental in our transition away from Drupal as we modernise and scale our platform. Tech Stack: At least 6-8 years commercial experience with JavaScript or TypeScript and Node Exposure of Laravel and/or Python (Django or Flask a...

We’re keen to speak to contractors who are available at short notice to join a financial services client in the City of London and work on a project to that will focus on enhancing and supporting existing platforms while contributing to automation, microservices, and greenfield initiatives in a fast-paced, business-facing environment. Please note this role is outside IR35 and requires 3 days a...

You will be working on new projects on the core web platform with other great developers in the UK.

You will have the opportunity to attend regular Development team events, professional development opportunities and potentially travel overseas to their international offices if this is of interest.

You will be responsible for the delivery of multi-channel campaigns across both brands. Responsibilities include: Planning and sequencing content-led marketing campaigns across email, social and web Writing clear, compelling copy across email, social, web, and campaign materials

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £415 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms SQL OracleTasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation)...

You will also be assigned an expert tutor and a support mentor who will work with you 1-2-1 or in group sessions to provide additional training and support. Once the HTML & CSS courses are complete, your trainer will move you forward to the next stage. Stage 2 – Additional Online Training (*up to 12 weeks)