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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.

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.

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

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

Full Stack Software Engineer Python and React. Collaborating with engineers, product and design teams. A strong engineering culture that values clean code and learning.

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 global trading firm in London is seeking a Software Engineer to enhance and optimize their autotrading systems. The ideal candidate has strong programming skills in C/C++ and Python, expertise in distributed systems, and the ability to solve complex problems.

They’re expanding their core engineering team and are seeking a Python Software Engineer to help design and build the next generation of research, data, and trading infrastructure. Are you a world-class Python engineer ready to push your technical limits in one of the most intellectually rigorous

A rapidly growing AI start-up in London is seeking an AI Engineer to join their team. Ideal candidates will possess expertise in SQL, Python, and LLM driven workflows, with a strong academic background.

A tech consultancy based in Central London is seeking a Python Developer to enhance a key platform. The role involves backend development, primarily with Python and some C, in an Agile environment.

A leading financial services firm in the Greater London area is hiring a Lead Software Engineer to work on trading and investment projects. Candidates should have formal training in Software Engineering and strong analytical skills.

Engineer a suite of performant, scalable and reusable RESTful micro-services and APIs using Python. Exposure to python concurrency through python multiprocessing would be advantageous. As a Lead Software Engineer at JPMorgan Chase within Equities Delta One business, you serve as a Lead Engineer on o

A leading AI development company in the United Kingdom is seeking an experienced Software Engineer to write and evaluate Python code for agentic AI systems. Join us to shape how AI agents understand complex engineering tasks.

The ideal candidate should possess strong Python skills, experience with REST APIs, and proficiency in SQL. A fast-growing software business is seeking a Backend Engineer to contribute to their market-leading ticketing platform.

This position is ideal for strong Python engineers eager to design resilient systems and automate complex environments. A financial technology firm in Greater London is seeking a Software Engineer to enhance their global trading and research platforms.

Senior Python Engineer (Fully Remote, UK). Collaborating closely with other senior engineers to make pragmatic, production‑ready engineering decisions. This is a hands‑on engineering role for someone who enjoys.

As a Lead Software Engineer at JPMorganChase within the Electronic Trading Technology Connectivity team, you are an integral part of an agile team that works to enhance, build, and deliver trusted market-leading technology products in a secure, stable, and scalable way. Formal training or certificat

A cutting-edge technology company in Greater London is seeking a Full-Stack Engineer to contribute to their decision intelligence offering. The role involves integrating AI solutions, building products using Python and TypeScript, and collaborating with cross-functional teams to enhance customer exp

Senior Machine Learning Engineer | Python | PyTorch | Machine Learning | Large Language Models | RAG | Remote, UK. Senior Machine Learning Engineer | Python | PyTorch | Machine Learning | Large Language Models | RAG | Remote, UK. Strong Python skills and adaptability across frameworks and tools (e.

This hybrid role requires expertise in React, Python, and AWS, focusing on scalable data workflows and robust APIs. A leading sports data company in Greater London is seeking a Full Stack Engineer to design and implement software applications for their Horse Racing technology stack.

A fast-growing fintech startup is seeking a Python Software Engineer to build AI-driven financial technology products. The ideal candidate will have strong commercial experience with Python and backend systems, and show a proactive mindset towards AI development.

A leading technology consultancy in the United Kingdom is seeking a Full Stack Python Developer to join their strategic digital programmes. The role involves working with backend systems using Python and frontend frameworks like Angular, focusing on scaling and modernizing applications hosted on GCP

A London-based technology company is looking for a Full Stack Engineer to design, build, and deliver core product features. Candidates should have 2 to 5 years of experience, strong skills in TypeScript and Python, and a product-focused mindset.

A leading multi-asset trading firm in London is seeking a talented Full Stack Software Engineer to join its growing technology team. The ideal candidate has over 2 years of experience with Python and React, and a degree in Computer Science is preferred.

The ideal candidate should have deep proficiency in Python and at least 5 years of experience in software engineering, capable of leading a small team. A global logistics provider in the UK seeks a Mid-Senior level Software Engineer to design, develop, and maintain high-performance software solution

A fast-growing AI start-up is seeking Python engineers to join their team in the UK. Candidates should have experience in shipping production workflows and be ready to collaborate closely with the implementation team, guided by a staff engineer.

A legal AI software company is seeking a Senior Python Software Engineer to work closely with enterprise customers on bespoke solutions.

The engineer will focus on building a FastAPI-based service for IAM and support the technical aspects of production systems. Ideal candidates have over 5 years of Python experience, familiarity with FastAPI and robust QA strategies. A recruitment agency is seeking an AWS Software Engineer for a 6-mo

The ideal candidate will have 7+ years of software engineering experience and the ability to mentor junior engineers. A systematic trading firm headquartered in Surrey is seeking a Senior Software Engineer / Technical Lead to lead a growing research platform team. This role combines technical leader

Our systems power websites, clinics across the UK, secure analytics and research systems, pipelines that process highly sensitive health and genetic data, and we are continuing to grow our engineering capability to support this ambition. Move across the stack—from front‑end features built with T

If you’re a Python engineer ready to take on more responsibility, mentor others, and work in an environment where engineering discipline matters, this role is designed for you. You will report directly to a Principal Software Engineer and work alongside experienced engineers who value clarity, qua

A leading tech consultancy in the United Kingdom is seeking a talented Python + React Developer to join a dynamic engineering team. Ideal candidates should have strong technical expertise in Python and React, experience in agile environments, and exposure to cloud platforms.

A dynamic start-up in the energy sector is seeking a Junior-Mid Fullstack Engineer (React/Python) to work 2-3 days a week in London. Key qualifications include experience in Python and Django, with AWS knowledge being a plus.

The role involves complex data analysis, utilizing Python and SQL to deliver insights for financial services clients.

A leading automation software company in Greater London is seeking a systems-level engineer to build its core machine learning platform. Ideal candidates will have at least 5 years of experience, deep knowledge of Rust and Python, and familiarity with cloud services.

Candidates should have over 5 years of experience in software engineering, proficiency in Python, and familiarity with Cloud services and data engineering. A global financial services leader is seeking a Software Engineer III to join their Markets Research Technology team in London.

Up-to-date knowledge of the Python ecosystem: third party libraries, packaging in-built Python libraries. Minimum of 3 years of experience building demanding, live systems in Python. In-depth knowledge of Python and keeps up with current standards (3.

A technology consulting firm in London seeks a Python Developer to enhance its structured notes platform. Strong Python skills, familiarity with Kubernetes, and a willingness to learn are essential.

A leading financial services firm is seeking a skilled Machine Learning Engineer to enhance their Data team. The ideal candidate should have over 2 years of experience in a data-driven role with proficiency in Python and SQL.

A leading provider of analytical solutions is seeking a Senior Python Software Engineer with a strong mathematical background. The ideal candidate will design and develop advanced Python-based modules for optimization and analytics, work with modern technologies including SciPy and Pandas, and colla

A leading clean energy firm in Greater London is seeking an AI Engineer to design and build an agentic AI framework. The ideal candidate should have strong Python skills, experience with AWS, and be comfortable managing AI services and infrastructure.

If you're a Python engineer who enjoys solving real systems problems for ML teams, share your CV and we'll talk through fit, on‑site expectations, and interview process. This is hands‑on engineering with real ownership. If you like building Python systems that make machine learning research actu

As an Associate – Equities Front Office Marking and Analytics Software Engineer in the Marking and Analytics team, you will design, develop, and enhance applications critical to our Equity Derivatives trading and sales desks. Utilize best-in-class technologies such as Python, Java, and React/Redux

As a Lead Software Engineer, fullstack developer at JPMorgan Chase within the Global Technology division, you will serve as a leader within an agile team, designing and delivering strategic uplifts to market-leading technology products in a secure, stable, and scalable way. Directly contribute to th

A logistics technology company in London is seeking a Junior Software Engineer to develop scalable software solutions focused on AI and automation. The role involves creating front-end features in React, working with Python, and collaborating with diverse teams. Ideal candidates should have a good u

About the roleWe’re looking for a full-stack Python engineer to join our Central Operations team. We generally use React & NextJS* Strong engineering principles & practices: design patterns, testing, clean code and a good reviewer* Previous experience working in a product-focused team* A keen

Responsibilities include designing engineering problems, evaluating AI outcomes, and validating results using Python. A leading AI project organization in the UK is looking for automotive engineers for part-time, project-based roles. Candidates should have a degree in Automotive Engineering or relat

Education to degree level, ideally in a computer science, mathematical or engineering discipline or equivalent experience. Experienced with Python and Typescript. As a Lead Software Engineer, fullstack developer at JPMorgan Chase within the Global Technology division, you will serve as a leader with