Senior Backend Developer Python jobs in London

Mustard Systems

Description At Mustard Systems, we leverage statistical modeling to dive into sports events and help us make informed predictions about future outcomes. By utilising our unique datasets, advanced statistical models, and custom-built software, we strive to accurately forecast sports results. We value

N Consulting Global

Role Title: Python Backend Developer Work mode: Hybrid, 3 days WFO Contract duration: 12 months Location: London -------------------------------------- JOB DETAILS Role Title: Python Backend Developer Experience: 5+ years Backend Developer Role - JD Biosphere Responsibilities Design sophisticated ba

Python Developer Day Rate: £400 Outside IR35 Duration: 6-months Start Date: ASAP (No long notice periods please) Are you actively looking for your next Python contract and ready to start within the next few weeks? We're working with a Data-Driven Technology Business who are looking for additional su

Role: Mid-Level Backend Engineer (Python/Java) Positions: 2 Location: London / City (Hybrid - 3 days in office) Contract: Permanent or Contractor (Inside IR35) Opportunity Summary: Python Developer for Transforming Structured Notes Trading Join a high-impact initiative to re-platform a Tier 1 Invest

Waracle are looking for a Senior Developer for an exciting new role joining our world-class digital technology consultancy and home to a diverse, smart, curious and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest

Python Engineer – Sports betting Hedge Fund – London *Please note this role cannot sponsor. Please do not apply if you are seeking sponsorship* Job Summary Python Engineer is required for a successful startup delivering innovative solutions to the sports betting industry. They capitalize on advanced

Plentific

About Us At Plentific, we’re redefining property management in real time. Our mission, is to lead real estate through the transformative journey into “The World of Now,” enabling us to empower property professionals through our innovative, cloud-based platform. We harness cutting-edge technology and

eFinancialCareers

Python Developer Inside IR35 Contract - Up to £800 per day 3 Days per week in London 6-Month Initial Contract (2 Years+ Project Scope) Start Date : April 2026 We have partnered with a leading Commodities Trading Firm who are looking to reinforce their Development teams. You'll be working directly wi

Research Central

About the role We are currently looking for an experienced Backend Developer who has the capability, know-how and wherewithal to help drive forward the company's technical vision whilst remaining very hands on. This is an exceptional opportunity to join a young mobile & web product team. You'll

TEaM Consulting

Company Description Overview Specialist role Developer Summary of the work We're looking for a Senior Python Developer to join a central Government Service. You'll be working in a multi disciplinary agile team, continuously improving the end-to-end user journey for buyers and suppliers and architect

Qodea

Description Work where work matters. Elevate your career at Qodea, where innovation isn't just a buzzword, it's in our DNA. We are a global technology group built for what's next, offering high calibre professionals the platform for high stakes work, the kind of work that defines an entire career. W

Requirements Must have: - At least 4 years of Python experience - Experience with TypeScript and JavaScript - Strong expertise in Python web development frameworks (e.g., Django) - Experience working in cloud environments such as AWS, Azure, or GCP - Experience with CI/CD tools and practices - Bache

Join a team of superheroes! 👊 Teamtailor is an Employer Branding & ATS SaaS platform used by over 3.000 companies 🤩, 110.000 users🕺🏻 in 90 countries around the world 🌏 Working at Teamtailor means working at a young, international, and fast-pace tech startup with smart people who are passion

Thrive IT Systems

Seeking a Specialist with 5 to 7 years of experience in Angular Python and AWS to design and develop scalable secure web applications and cloud native solutions leveraging AWS S3 and API Gateway Key Responsibilities · Work within a small development team to produce clean efficient code based on spec

Waracle are looking for a Lead Developer to join our world-class digital technology consultancy. We are home to a diverse, smart, curious, and ambitious community of specialists in technology-driven transformation. We work with ambitious clients to help them solve their biggest business and customer

We're working with a powerhouse global consumer brand on this exciting opportunity to lead a high-impact technical transformation. As a Lead Python Engineer, you will spearhead the architecture and delivery of critical system synchronisations and scalable backend services. This is a high-visibility

About the role This is a junior trainee-level role to help build a successful software development career. Following an initial intense training programme, successful candidates will be assigned to our various project teams to assist in the conception, development, and support of technology projects

Lifelancer

Job Title: Senior Python Backend (Data Streaming) Job Location: London, UK Job Location Type: Remote Job Contract Type: Full-time Job Seniority Level: Mid-Senior level Our client is a Series C Silicon Valley HealthTech with teams in San Francisco and London. We are hiring a Backend Engineer to work

*About Wintermute** Wintermute is one of the largest crypto-native algorithmic trading companies in digital assets. We provide liquidity algorithmically across most cryptocurrency exchanges and trading platforms, a broad range of OTC trading solutions as well as support high profile blockchain proje

*Job Description** 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