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Senior Backend Engineer – High-Scale Systems | Python & FastAPI | Security SaaS. This is entirely a Python back-end development role (Python 3), where the core framework used is FastAPI and Kafka for the messaging queues. Senior Backend Engineer | Python, FastAPI & Scaling | Security SaaS.

I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. Collaborate closely with data engineers and AI teams to ensure scraped data is trusted and usable. Strong Python-based scraping experience (production, large-scale).

Full Stack Software Engineer Python and React. Are you curious about AI products but happier focusing on solid engineering than building models?. This role is a great fit for a full stack engineer who wants to work on a modern, high impact platform where good software design really matters.

Senior Python Scraping Engineer. I'm looking for a Python Scraping Engineer to join a growing AI-focused data team. Strong Python-based scraping experience (production, large-scale).

If you are a full stack engineer who enjoys building reliable, well designed systems and wants to work on a product with real impact, this could be a great next step. Do you enjoy building well engineered software that actually gets used?. Are you curious about AI products but happier focusing on so

Senior Algorithm Engineer (Python / Spark – Distributed Data Processing). Senior Algorithm Engineer (Python / Spark – Distributed Data Processing). We’re hiring a Senior Algorithm Engineer to join a data-intensive SaaS platform operating in a complex, regulated industry.

We are seeking a highly capable Python-focused Data Engineer to join a delivery-driven team building and supporting complex data platforms in Azure. This role is heavily weighted towards Python software engineering rather than traditional ETL-only work. Developing complex data flows with a strong em

Full Stack Engineer / Developer (TypeScript React Python) London / WFH to £120k. As a Full Stack Engineer within a small team, you will build and implement new features across the full tech stack, with a focus on frontend development with TypeScript and React but also with exposure to the Python ba

Senior ML Operations Engineer (Python)Salary: Up to £66,000 depending on experience Location: Manchester - (Hybrid working - currently 40% on site increasing to 60% within 12 months)Ref: J13060We are seeking a Senior ML Operations Engineer to take ownership of how machine learning models are deploy

A leading financial services training company in London is seeking a Senior Python Developer to work within an Agile team. The ideal candidate will possess strong development skills in Python, an understanding of Django and PostgreSQL, and a focus on code quality.

You have demonstrable experience as a senior software developer or engineer with a focus on Python (4+ years). Senior Software Engineer (Python). Maintain Infrastructure as Code and work with infrastructure teams to enhance CFC’s Engineering Platform.

A leading tech company is seeking a motivated Python Developer to join their engineering team. Candidates should have 2+ years of Python development experience and familiarity with modern backend frameworks.

The successful candidate will have over 3 years of experience with Python, and cloud platforms, and a strong interest in finance and AI. Responsibilities include collaborating with engineers to develop new features, taking ownership of the product, and keeping up with emerging technologies.

An ambitious AI tech startup in Central Leeds is seeking a Python Software Engineer to develop AI-focused software solutions. Ideal candidates have about 2+ years of software development experience, primarily in Python, along with familiarity in Typescript and Azure cloud services.

Up‑to‑date knowledge of the Python ecosystem: third party libraries, packaging in‑built Python libraries. Python Software Engineer, Trading Platform. In this role, you will be collaborating with people across the firm to provide cutting‑edge technology solutions that expand our existing trad

We welcome candidates at all experience levels – whether you’re early in your career and eager to learn, or a seasoned engineer seeking hands‑on technical work in the fintech domain. Participate in code reviews and contribute to engineering best practices. Good knowledge of Python and object��

The role combines practical engineering with opportunities to influence how engagement evolves, helping us deliver quick wins today while laying the groundwork for long‑term impact on participant trust, confidence, and research readiness. As the work is still in its early stages, you’ll often mo

A well-known technology company is looking for a Software Engineer in Greater London. This position requires extensive experience with Python and a solid understanding of agile methodologies. You will be responsible for designing and maintaining applications in Python while collaborating with teams

A modern consultancy based in Greater London is seeking a passionate individual with strong skills in Python testing automation and ETL testing. You will design and implement robust testing frameworks and ensure data quality, collaborating with engineers in a continuous build environment.

Mechanical Engineer with Python Experience - Freelance AI Trainer. Mechanical Engineers with strong Python skills. This role focuses on professional judgment and engineering rigor, not data labeling or traditional software development.

Candidates should have expertise in Java and Python programming languages, along with significant experience in AWS and other cloud platforms.

Engineering team is relatively flat under the CTO with Mid through to Staff Engineers all contributing code as their main role. Full Stack Product Software Engineer - £100-180k salary range - London Onsite - LLM AI Workflow Automation Product B2B - Mid or Senior. They are on the hunt for 3 new Deve

A global technology consultancy in the UK is seeking a talented Software Engineer to join their innovative team. Candidates should have experience with DataBricks, Python, and Scala, a strong understanding of big data technologies, and excellent problem-solving skills.

Python Software Engineer, Python, AWS | Python, TDD & BDD, Monitoring | Household Name | £650 - 750pd Outside IR35 | 6-month contract | Fully Remote (UK). This is a great opportunity for an engineer looking to expand their well-established career, who is excited about search, solving complex proble

A technology company specializing in supply chain solutions is seeking a Backend Engineer to lead the design and delivery of scalable services. The ideal candidate will have strong proficiency in Python and TypeScript, experience working with cloud technologies, and a passion for technology and prod

A leading financial data solutions provider in Greater London is seeking a Software Engineer specializing in AI and machine learning. Ideal candidates will have 3-5 years of experience in software engineering, a strong knowledge of AWS and NLP, and proven experience with ML model deployment.

Has 3+ years of experience in software engineering with deep expertise in Python frameworks like FastAPI or Django. As a Senior Python Engineer, you will architect and build AI-driven backend systems that automate complex property management operations. Collaborate with AI engineers to integrate pro

A leading tech recruitment firm is seeking a Contract Software Engineer - Python to work on a secure government project in London. The role involves building and maintaining backend services, ensuring robust and secure API contracts, and requires a hands-on approach to software engineering. The idea

Experience with one or more modern programming languages (primarily Rust and Python, but engineers from any background are welcome). Senior Python Software Engineer - London. Build out performance‑critical systems written in Rust, and contribute efficient, testable and maintainable code to our Pyt

A leading software testing company in Greater London is seeking a Graduate AI Test Automation Engineer to support the development of an innovative testing framework for generative AI agents. Ideal candidates should hold a degree in Computer Science or AI and possess strong Python skills alongside a

Senior Data Engineer (Python AWS SQL DBT) Cheshire to £90k. Apply now to find out more about this Senior Data Engineer (Python AWS SQL DBT) opportunity. As a Senior Data Engineer you'll lead a significant data re-architecture project, with the autonomy to make the critical data architecture decisio

A fast-growing technology company in the United Kingdom is looking for a mid-senior level data engineer. The role involves designing and building data pipelines using Python, ensuring uptime and fault tolerance.

Key qualifications include experience with Python, generating AI technologies, and a solid foundation in software engineering principles. A major financial services firm in Greater London is seeking a Software Engineer III to enhance financial impact assessments through technology solutions.

A leading technology firm is seeking a Mid-Senior Python Software Engineer to develop scalable systems processing large volumes of data in real-time. Ideal candidates have 5-7 years of Python experience, a strong grasp of distributed systems, and a knack for tackling challenges in fast-paced environ

An engineering consultancy in the United Kingdom is seeking a Software Development Engineer in Test (SDET) with expertise in API automation and data validation. The ideal candidate will have hands-on experience in Python, building automation frameworks, and validating AI-driven systems.

A leading data analytics firm in Greater London is looking for an Associate Analytics Engineer for a 1-year FTC. The role involves Python development, SQL reporting, and using Azure Databricks.

Data Engineer/Data Scientist role supporting Front Office operations with expertise in data engineering, and stakeholder management in investment banking environment. Senior Data Engineer / Data Scientist sought by leading investment bank based in the city of London. Data engineering experience buil

A leading technology company in the UK is seeking a Software Engineer with strong Python skills to advance video compression. Ideal candidates should have experience with Python, Linux, REST, and Docker.

An innovative Med-Tech company in Greater London is seeking a Full Stack Engineer proficient in Python and Vue.

Python Software Engineer – Visual Quality / Media – London Hybrid – Outside IR35. This role suits a pragmatic Python developer comfortable working in a technical, fast‑moving media technology environment. The Software Engineer must have full UK working rights and be able to attend the office

AWS/Python Software Engineer page is loaded## AWS/Python Software Engineerlocations: London UKtime type: Full timeposted on: Posted Todaytime left to apply: End Date: January 30, 2026 (13 days left to apply)job requisition id: JR102864Backend Software Engineersto join our team. If you'

A leading commodities trading firm in London seeks a Python Developer to support their power and gas desk. This role involves designing and maintaining Python applications, managing databases, and ensuring data quality. Candidates should have 4-5 years experience in investment management or trading,

As a Sr Lead Software Engineer at JPMorgan Chase within the Equities Electronic Trading team, you will play a crucial role in improving, developing, and delivering top‑tier technology products in a secure, stable, and scalable manner. Actively contribute to the engineering community as an advocate

Engineers on the team maintain and enhance a GenAI powered software stack that operates at the intersection of financial data, knowledge management, and data engineering. What We're Looking For** Required Skills Proficiency in Python, TypeScript, or similar language and its environment. Bachelor

Senior Software Engineer (Python / AWS). We’re looking for a Senior Software Engineer with deep experience in Python and AWS to help design, build, and scale distributed, data-driven Ad‑Tech systems. Python (FastAPI, Flask, or Django).

A leading global financial services firm based in Greater London is searching for a Lead Software Engineer. Candidates should have advanced knowledge in programming languages like Go or Python, experience with cloud native technologies, and proficiency in agile methodologies.

You will also play an important mentoring role within the team, supporting and guiding other data engineers and helping to raise engineering standards through thoughtful, hands on leadership. An AI first SaaS business that transforms high quality first party data into trusted, decision ready insight

Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience). Professional backend development experience using Python.