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We’re hiring a Senior Software Engineer (Python) - Trading Systems to own and evolve a production options trading system. Collaborate directly with the founder and engineering team on architecture and roadmap. Python experience; you’ve shipped and owned production systems.

Salary:Circa £65k+ Up to 15%BonusSponsorship:Unfortunately, we are unable to offer sponsorship for this role Ifyou'rea Principal Software Engineer, who enjoys architecting complex systems, owning technical decisions, and crafting Python-powered solutions that mak. Title:Principal Software Engineer

Responsibilities You will be responsible for: Maintaining and troubleshooting automated test systems used on production lines Working closely with production teams to investigate test failures Performing rootcause analysis across software, hardware, and test infrastructure Improving the test system

Candidates should have strong skills in React, TypeScript, Python, and experience with AWS services.

You will have the opportunity to partner with key Engineering teams, alongside Operations and Site Reliability Engineering. You will be responsible for engineering solutions that strengthen and broaden our security capabilities in an environment that is changing daily whilst also working with vendor

The Senior Software Engineer will be a key contributor to full lifecycle software development, focusing on data management\workflows, infrastructure as code, and CICD pipelines. The Python Developer will be instrumental in building and maintaining our Python applications. Develop and maintain Python

As a Test System Software Engineer, you will work at the intersection of software, hardware, and manufacturing. Collaborating with colleagues from test engineering, R&D, mechanical and electrical engineering, and production line teams. This is not a QA or software‑only testing role.

The ideal candidate will have at least 2 years of software development experience, proficient in Python, SQL, and Git. Responsibilities include creating React applications, communicating project status, and working on software engineering projects as part of a team. A global automotive insights firm

A global research collaboration is seeking a Scientific Software Engineer to integrate and develop open-source tools for computational behavioral analysis and physics-based simulation. This fully remote role involves working with Python tools, tracking issues on GitHub, and enhancing software integr

Strong software engineering experience, with deep hands‑on expertise in Python. We work at the frontier of what is practical and valuable with LLMs—exploring agentic patterns, orchestration approaches, retrieval techniques, and emerging design ideas—while staying grounded in the fundamentals o

Strong software engineering experience, with deep hands‑on expertise in Python. We are looking for AI-first engineers who are excited not just by using the latest LLMs, agents, and emerging design patterns, but by applying them with strong engineering discipline, sound judgement, and a relentless

Senior AI Python Software Engineer (Perm, UK). Senior Python Software Engineer. About the AI Senior Python Engineer role.

A minimum of 5 years experience in software development using Python or equivalent, strong relational database knowledge and working knowledge of the major cloud service providers. As a Senior Python Engineer, you will own a full life cycle of development and be a senior contributor on a team respon

What You’ll Do* Design, build, and evolve Generative AI solutions for Markets use cases across asset classes* Engineer production-quality applications and services using Python* Apply modern AI patterns including LLM orchestration, agentic workflows, retrieval-based approaches, and structured eval

Data Engineers are key to this mission - building robust data infrastructure and tooling that powers insights, analytics, and software products used across the rail network. This role sits at the intersection of software engineering, data architecture, and delivery. Backend development in Python (or

Python Software Engineer - Observability Engineering - Quant Research. Python backend engineering experience. Observability Engineering team.

As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. Python Software Engineer – High-Frequency Trading. We're working with a high-frequency trading (HFT) firm that is looking to exp

Senior Software Engineer – AI Startup – Up to 140k 🚀🧠. Senior Software Engineer – AI Startup – Up to 140k 🚀🧠. Python, Flask, FastAPI, React, TypeScript, GCP (Backend Leaning).

Python Software Engineer needed for a remote role. Requires Python, MySQL, and experience in financial services.

Develop trading tools using Python, collaborate with traders, and build scalable production systems.

What will I be doing?• Applying advanced analytics, visualisation, and data science techniques to business challenges• Developing and deploying machine learning models and statistical solutions• Writing efficient SQL and prototyping new metrics• Structuring large, ill-defined problem

Staff Software Engineer – AI/ML (Agentic AI). They are seeking a Staff Software Engineer with experience in agent-based AI systems to help design and deliver advanced AI-driven products. Engineering | UK Remote / London (hybrid).

As we continue to expand, diversify, and modernise, joining us as an Apprentice Software Engineer, means you'll play a crucial role in our success and be part of this exciting motoring journey. LI-Hybrid This is the jobAs a Developer within a larger team of technical engineers, you will be responsi

Partner with Fastino engineering team to ship model updates directly to customers.

Active, hands-on use of AI engineering tools such as Claude, ChatGPT or similar in your development workflow. Opportunity to work in an AI-forward engineering environment. This role would suit an engineer who is already embedding AI into their development workflow and wants to work in a team where t

Contract Software Engineer - Up to £400 p/d - Fully Remote - Outside IR35. We are seeking a skilled Contract Software Engineer with strong expertise in full stack development to investigate, diagnose, and resolve defects across multiple layers of a complex application platform. This position demand

The role acts as a bridge between development and quality engineering, embedding testing into the full software delivery lifecycle. As a Test Automation Engineer, you will be responsible for defining test strategy and building robust automation frameworks that ensure quality, reliability, and perfor

Hiring: Forward Deployed Engineer (Fully Remote across the UK). This is a high-impact, customer-facing engineering role where you’ll architect and build custom solutions directly with enterprise clients. Forward Deployed / Solutions Engineering background.

Collaborate closely with data engineers, ML engineers and wider technical teams to deliver robust platform capabilities. As Lead Data Platform Engineer, you will:. This is an opportunity to step into a highly influential Data Platform Engineering role where you will shape, optimise and own a modern

Senior Rust Engineer – High-Frequency Trading. Real HFT or market making experience in Rust, or a background in ultra-high-performance, large-scale throughput systems where the engineering demands are genuinely comparable.

As a Principal Software Engineer, you will lead the design and development of high-quality, scalable software solutions that directly impact operational efficiency and system reliability for major clients. This role is suited to senior software engineers or tech leads passionate about building scala

Strong software engineering fundamentals. Software Engineer — Data Systems. We need an engineer who understands how architecture decisions affect performance, correctness, and operability.

Strong commercial experience with Python and common data libraries. This is an exciting opportunity to step into a high-impact Data Engineering role within a fast-scaling data and machine learning environment. You will sit at the core of the engineering function, working closely with a large data sc

These are backend-leaning fullstack engineering roles, ideal for engineers who enjoy owning features end-to-end while spending the majority of their time building scalable backend services and APIs. Strong Python backend engineering experience. Engineers who can ramp quickly and deliver from day one

A high-growth, privately backed Enterprise SaaS company is seeking a Senior Core Java Engineer to join its London-based engineering team. Senior Java Engineer (Core Java). This is an opportunity to work on low-latency, high-throughput distributed systems, solving complex engineering problems at scal

Mentor other engineers and contribute to engineering standards. Experienced software engineer with a track record of building and operating Rust services in production environments. Senior Software Engineer (Backend - Rust).

CUDA/GPU Systems Engineer (ML Infra). They’re looking for engineers with experience working close to the GPU layer. GPU performance engineering or HPC background.

UX‑first, often highly complex software. Our engineers pair forward‑thinking agile practices with an obsession for intuitive design, shipping products that feel effortless even when the logic underneath is anything but. You’ll join a smart, collaborative team that pushes each other to articula

As a Front End Developer you will join one of our multinational Scrum teams to create state-of-the-art software solutions. Engage across all phases of the software delivery lifecycle, including development, testing, release, and maintenance.

We’re looking for a Senior Full Stack Developer to join our engineering team and help build an advanced resource planning platform. This role is perfect for someone who enjoys variety, thrives in collaborative environments, and is passionate about delivering high-quality software. Collaborate with

Graduate / Junior Software Engineer. A Bachelor's degree in Computer Science, Software Engineering, or a related field. Familiarity with software design patterns and core engineering principles.

Coaching senior engineers and technical leads while improving engineering quality and decision-making across teams. AI-first engineering ways of working. Partnering with Tech Leads, Product Directors, and Engineering leadership on the company’s most important initiatives.

Senior Full Stack Engineer (React / Node / AWS). This role sits at the intersection of architecture, delivery, and hands-on engineering. Support and mentor engineers, removing blockers quickly.

Strong commercial experience in software engineering. A growing software business is hiring a. Working across the full software development lifecycle.

This role is ideal for a hands-on, high-performing engineer who is passionate about building scalable data platforms and enabling other engineers across the organisation. Experience enabling and supporting data engineering teams. We are looking for a Senior Data Platform Engineer who thrives on exec

UmbrellaDuration: 6 MonthsVacancy Details:Key Activities Software requirements analysisSoftware designImplementation (language is C)Module test and integration testTiming analysis, full software verification, authoring and execution of software test scriptsEssential ResponsibilitiesSoftware Developm

Senior Data ScientistPay up to £75,493, plus 28.Are you ready to use data science to influence and inspire improvements at huge scale?As a Senior Data Scientist, you'll join the Data Science Team within DWP's Working Age Services (WAS) - the area responsible for the digital services behind Universa

Our client, a leader in the Defence & Security sector, is currently seeking a Senior Manufacturing Test Engineer to join their team in Glenrothes.