python backend developer jobs in Islington

Backend Software Engineer / Developer (Windows C / C++, C#) London to £70k FTC Are you a skilled Backend Software Engineer with strong C++ skills? You could be progressing your career in a senior, hands-on role at a global market data provider whilst enjoying a range of perks and benefits. As a Backend Software Engineer you will join an Agile team focussed on building and maintaining Exchange...

You will be responsible for designing, developing, and maintaining high-quality Python-based applications and services, working closely with cross-functional teams to deliver robust and scalable solutions. This role offers a flexible hybrid working arrangement, with one day per week onsite at one of our UK offices (London, Cardiff, or Glasgow) and the remainder working from home.

Senior Backend Developer Salary: Up to £90,000 per annum Client: Leading Data Centre Provider We're working with a well-established Data Centre Provider to recruit a highly experienced Senior Backend Developer. This is a remote role open to UK-based candidates, offering the chance to work on large-scale systems that support critical national infrastructure. This is an excellent opportunity for...

I am currently working with a London-based financial services client who are actively seeking a senior Python developer to work on the development of a business critical application within the risk space. What you'll need to succeed: Extensive Python application development experience within financial services - must have. Strong API development experience. Strong experience with Django 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...

Senior Backend Engineer Salary: £120K - £140K + Equity Location: London in office Data Idols are working with a rapidly scaling software company who are looking for a Senior Backend Engineer to join their team. The product sits at the intersection of AI systems, complex data workflows, and enterprise-grade reliability, turning sophisticated technology into tools that can be trusted in...

You will architect "Tier 0" services that filter and protect content across Who You Are * Expertise: Deep knowledge of Java and Python. The Stack: Experience with Ray, Apache Beam/Scio, dbt, and BigQuery. Mindset: Comfortable leading in ambiguous problem spaces and delivering end-to-end solutions at scale.

Senior / Lead AI Engineer – AI-First Product Platform Tech4Good Location: Remote-first (UK) | London preferred Salary: Negotiable Engagement: Permanent preferred (contractors also considered) I’m working with a high-growth, product-led technology company that is embedding AI at the core of its platform rather than treating it as an add-on. They already operate a mature, production system and are...

x3 Founding FS Engineer (Python, NextJS, TypeScript) ‍ (AI/LLMs) Salary up to £120k + Equity London - 2/3 days a week Can sponsor candidates already in the UK ✅ Opportunity to join a VC backed startup, building the future of LegalTech. ‍⚖️ With operations based in both the UK&US and partnerships with the biggest Law firms. Working with LLMs to automate workflows and creating agents to handle...

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

Job Title: Senior Systems Developer DETAILS We are seeking a highly skilled Senior Systems Developer with extensive experience in data architecture, system design, and enterprise-level application development. The successful candidate will be responsible for constructing scalable systems, designing robust data models, and guiding the technical direction of backend and data-driven solutions across...

Job Description: * We are seeking an experienced and skilled C++ Developer to join the team in Bromley, UK. The selected candidate will be responsible for delivering critical low-latency front-office pricing and trading solutions that support Global Markets businesses. This role requires strong backend development expertise and the ability to work in high-performance, real-time...

You will provide solutions across both Azure and AWS technologies and importantly have a demonstrable background in C#.

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...

Senior Software Engineer Node.js / AWS / React London (Hybrid, 3 days onsite) Are you the kind of Senior Software Engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance for a Senior Software Engineer to join a small, but ambitious tech-for-good / IoT startup based in the London City Centre thats building...

Lead Java Developer - £140k, Equity, Sign-on Bonus Java25, Springboot, Microservices, AWS, TDD, React I am working with a high‑growth FinTech that’s about to enter a huge new chapter. They are a fast‑scaling FinTech that’s in the middle of a major rebrand, new name, new logo, and a shift to a truly global financial platform. The full reveal is coming in this quarter, and the energy inside the...

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.

Software Engineer – PHP & Golang Fully Remote – Within UK PHP / Golang / JavaScript £60,000-£65,000 I’ve recently partnered with a leading Prop-Tech business in London who are looking to add a Software Engineer to their team who specialises in PHP & Golang! The company have seen rapid success over the past 10 years and have built an advanced platform used by their expanding portfolio of...

Senior Java Developer | Backend | Microservices | FinTech | London | Hybrid | £120k I'm proud to partner with a global financial organisation, creating an app that allows people in countries like Mexico, Argentina, Colombia, and Brazil manage money in digital dollars and digital euros and it’s designed to protect users from local currency devaluation and make international spending easier. The...

You will gain experience which will enable your career to take a leap forward.

You will deliver high-quality production code and design control system architectures for real time environments that support robotic movement, manipulation, and teleoperation.

You will be rewarded with an excellent package that includes: