python backend developer jobs in City of Westminster

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

Senior Python Engineer | Fully Remote | High-Growth Startup (AI / Data / Cloud) Join one of the most exciting early-stage startups of the year — backed by previous huge success, led by an exceptional founding team, and already showing incredible product-market fit. This is a rare opportunity to get in early, take real ownership, and build the foundations of a next-generation platform at scale....

Senior Software Engineer - Backend & Data | Fully Remote (UK) Founding Engineer | Python | GCP | Terraform | Event-Based Systems | Data Pipelines An innovative, mission-driven LegalTech SaaS start-up is looking for a Senior Product Engineer (Backend & Data) with deep experience in Python, Product development, and Data engineering. Role Information: - Salary: Up to £100,000 (DOE) + Equity -...

Senior Data Engineer (Snowflake SQL Python) London / WFH to £85k Are you a skilled data technologist with strong leadership and stakeholder management skills? You could be progressing your career in a senior, hands-on Data Engineer position at a global tech company that provide data centric software solutions to major blue-chip and government organisations to enable them to discover and analyse...

You will develop and design data pipelines, data models, backend APIs and an array of customer facing data services.

About Aero A digital experience company, we sit at the intersection of insights, creativity and technology, crafting digital experiences that transform business performance. We’re a small, fully remote team with big ambitions. We work hands-on with our clients, giving our teams genuine ownership of their work. Every project you touch will be seen by thousands of people and will directly...

We are hiring a Satellite Operations Software Developer (remote or on-site Helsinki ) on behalf of our client, a pioneering space company that is building the world’s most advanced hyperspectral satellite constellation and developing AI-powered analytics to turn spaceborne data into actionable insights. Their mission is to tackle some of today’s greatest challenges — from climate change to food...

You will work closely with engineers and product managers to understand requirements, implement new features, and support the delivery of high-performance testing tools. You’ll be confident working with tools such as Flask, SQL, Docker, and Linux, and will have experience developing multithreaded applications and REST APIs.

Job Title: Software Engineer (AI HealthTech) Client: AI HealthTech Scale-Up – Backed by Top-Tier Investors, Led by World-Class Engineers Salary: Up to £100k + Bonus + Equity Location: Remote (UK-based) with an optional Holborn office Sells: Work on cutting-edge AI systems that power healthcare innovation at scale. Full remote flexibility across the UK, total ownership of greenfield projects,...

You will be working with arguably the most stable teams in crypto, and at the bleeding-edge of finance. Package incudes base salary (Up to 180,000 Euros), + RSU's + Bonus (8-15%) This opportunity is available in the below jurisdictions, the client is looking to hire people full-time (Not through B2B contract) and does not sponsor visas.

React Native Technical Lead – EdTech | Remote (UK) | Up to £85,000 Location: Fully remote (within the UK) Salary: Up to £85,000 + benefits Employment Type: Full-time, permanent Are you a hands-on React Native expert ready to shape the future of digital learning? We are working with a UK-based EdTech company on a mission to make high-quality education accessible to everyone — and are looking...

Compensation: £Competitive (Financial Services) About TradingHub Founded in 2010, we have grown from a united vision shared between two people to a team of over 140 across London, Toronto, New York and Singapore. We have achieved scale by building the best-in-class surveillance tooling, where our analytics bring the front office risk mindset to the compliance function. Though we have developed in...

Postdoctoral Research Associate in Network Data Science, Statistics and Probability Job Type: Full-Time. Starting Salary: £49017 - £57472 per annum plus benefits To find out more about the job please click the ‘apply for job’ button to be taken to Imperial job site About the role Applications are invited for Postdoctoral Research Associate positions in Network Data Science, Statistics and...

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)

For more than two decades, Orange Logic has empowered a wide range of clients with its digital asset management system, Orange Logic Platform. We’ve worked with almost every industry, from Finance to NGOs, Media giants to educational institutions, securing and organizing their assets. This role will enhance Orange Logic’s software by participating in the design, development, maintenance and...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate. We turn big ideas into the products, content and services millions of people love. And we do it all...

You will balance quality, latency, cost, and governance, collaborating closely with solution architects and client stakeholders to transform use cases into robust, observable AI services. Responsibilities: Develop LLM-powered applications-including assistants, agents, summarization, classification, extraction, and workflow automation-utilizing OpenAI/Azure OpenAI and open-weight models as needed.

Leading Sustainable E-Commerce | 35 Million Users | Mid & Senior Back End Engineers | TypeScript/Node/AWS | Up to £100K + Bonus | REMOTE (UK) or 1 Day Per Week (LDN) Company Our client is an extremely well known, digital marketplace focused on sustainable ecommerce. With over 35 million of active users globally, they’re redefining how people buy and sell second-hand fashion, aiming to make the...

Senior Data Engineer (Snowflake SQL Python) London / WFH to £85kAre you a skilled data technologist with strong leadership and stakeholder management skills?You could be progressing your career in a senior, hands-on Data Engineer position at a global tech company that provide data centric software solutions to major blue-chip and government organisations to enable them to discover and analyse...

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)