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Certain Advantage are recruiting on behalf of our Trading client for an AI Engineer on a contract basis for 6-12 months initially in London. This will require some onsite days in Central London during the week. We are seeking Engineers skilled in python with a strong focus on GenAI AI and LLMs to lead the integration of cutting-edge language technologies into real-world applications. If you’re someone passionate about building scalable, responsible, and high-impact GenAI solutions then this could be for you! We’re looking for Engineers offering competent core technical skills in Python Programming, Data Handling with NumPy, Pandas, SQL, and use of Git/GitHub for version control. Any experience with these GenAI Use Cases would be relevant and desirable; Chatbots, copilots, document summarisation, Q&A, content generation. To help make your application as relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below; System Integration & Deployment Model Deployment: Flask, FastAPI, MLflow Model Serving: Triton Inference Server, Hugging Face Inference Endpoints API Integration: OpenAI, Anthropic, Cohere, Mistral APIs LLM Frameworks: LangChain, LlamaIndex – for building LLM-powered applications Vector Databases: FAISS, Weaviate, Pinecone, Qdrant (Nice-to-Have) Retrieval-Augmented Generation (RAG): Experience building hybrid systems combining LLMs with enterprise dataMLOps & Infrastructure MLOps: Model versioning, monitoring, logging Bias Detection & Mitigation Content Filtering & Moderation Explainability & Transparency LLM Safety & Guardrails: Hallucination mitigation, prompt validation, safety layers Azure Cloud Experience Collaboration & Delivery Cross-functional Collaboration: Working with software engineers, DevOps, and product teams Rapid Prototyping: Building and deploying MVPs Understanding of ML & LLM Techniques: To support integration, scaling, and responsible deployment Prompt Engineering: Designing and optimising prompts for LLMs across use cases Model Evaluation & Monitoring Evaluation Metrics: Perplexity, relevance, response quality, user satisfaction Monitoring in Production: Drift detection, performance degradation, logging outputs Evaluation Pipelines: Automating metric tracking via MLflow or custom dashboards A/B Testing: Experience evaluating GenAI features in production environments Does this sound like your next career move? Apply today! Working with Certain Advantage We go the extra mile to find the best people for the job. If you’re hunting for a role where you can make an impact and grow your career, we’ll work with you to find it. We work with businesses across the UK to find the best people in Finance, Marketing, IT and Engineering. If this job isn’t for you, head to (url removed) and register for job alerts and career guidance tips

Full Stack Software Engineer – Python & React. You are a well-rounded software engineer who enjoys turning complex ideas into well-functioning, production-grade systems. If you are a pragmatic, product-minded engineer who enjoys full stack development and solving real-world software challenges, th

Work with one of the industry's pioneers in open source with intelligent engineers at every level from engineer to CTO and CEO level. Canonical is looking for an experienced Python developer with a background in MongoDB who will help us to build a fully managed MongoDB solution based on Juju. You ar

Do you enjoy building well engineered software that actually gets used?. You will work closely with AI specialists, product and design, but your focus will always be on strong software engineering fundamentals. This role is a great fit for a full stack engineer who wants to work on a modern, high im

The Software Assurance Group at Oracle is seeking a talented Senior Software Developer to join our machine learning engineering team, which works at the forefront of enabling secure, scalable, and highly available AI-powered solutions. Senior Cloud Software Engineer - Pyhon. In this role, you will e

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

Understanding of software quality principles and practices. 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. Mo

Fluent in Python and software engineering fundamentals, comfortable with highly scalable data processing libraries. Working with software and data engineers, data scientists and market analysts, you'll help bridge the gap between scientific experiments and commercial products by ensuring 100% uptime

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

Interested? If you’re a Python engineer looking to step into a senior‑level role, working on meaningful software in a regulated environment, this is worth a conversation. Senior Python Software Engineer. If you’re a Python engineer ready to take on more responsibility, mentor others, and work

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

Formal training or certification in software engineering concepts, and advanced proficiency. 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

Up-to-date knowledge of the Python ecosystem: third party libraries, packaging in-built Python libraries. In-depth knowledge of Python and keeps up with current standards (3. Knowledge of CI software, such as TeamCity or Jenkins.

Are you a software engineer who thrives on building robust, scalable products with a strong foundation in mathematics and analytics? We’re specifically looking for an engineer—not a data scientist—to join ScanmarQED as a Senior Python Software Engineer and play a key role in developing the cor

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. If you like building Python systems that make machine learning research actually work at scale - this one's for you. Proper engi

As a Senior Lead Software Engineer at JPMorgan Chase within the Commercial & Investment Banking's Athena Trade Risk & Services team, you will build the next generation of trade structuring tools and components needed by teams across Markets and used globally by our trading desks and support teams. F

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. Formal training or certif

A leading tech consultancy in the United Kingdom is seeking a talented Python + React Developer to join a dynamic engineering team. This role involves collaborating with Solution Architects to shape technical solutions and deliver high-quality software while promoting modern development practices. I

A fast‑growing fintech startup is looking for a Python Software Engineer to join a hyper‑scaling engineering team building AI‑driven financial technology products. Python Software Engineer – Fintech Startup. Strong commercial experience as a Python Software Engineer, focusing on APIs and bac

As a Software Engineer II at JPMorgan Chase within the Applied AI/ML group, we are seeking someone with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. In this role, you will work alongside Data Scientists to build

Candidates should have 4-6 years of software engineering experience and strong Java skills, with an eagerness to learn Python. A systematic hedge fund in London seeks a Senior Software Engineer to join a collaborative team working on technology-driven solutions. The role involves managing projects,

Python Expert: You have deep experience with Python. Founding Full-Stack Senior Engineer (UK ONLY) - Fully Remote. We are a lean team of two founders looking for a Founding Engineer.

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

Full-Stack focused Software Engineer. Our systems power web sites, 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. Experience working on b

This Software Engineer should be able to effectively communicate both with internal teams and with clients. Self-starter who is enthusiastic for software work in a software-as-a-service company. Good knowledge of software methodologies, tools, and typical architectural patterns.

Contributes to software engineering communities of practice and events that explore new and emerging technologies. Formal training or certification on software engineering concepts and applied experience. We have an exciting and rewarding opportunity for you to take your software engineering career

A leading financial services firm in London seeks a Software Engineer II to develop on the Athena platform. This role involves executing software solutions and collaborating closely with teams to create secure, scalable technology products. The ideal candidate should have strong programming skills i

As a Lead Software Engineer at JPMorgan Chase within the Technology Division, 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. Leads communities of practice across Software Engineerin

Python Software Engineer – High-Frequency Trading. We're working with a high‑frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developer

As a Senior Software Engineer, you will be a key member of our growing engineering team, responsible for designing, building, testing, deploying, and maintaining scalable systems. Extensive experience in software development using Python or similar languages. Excellent collaboration and communicatio

We currently have a headcount of 7: 4 focused on AI applications and 3 software engineers. We are proud of our tech stack and with the help and guidance of all our software engineers, we want to keep it that way by always being open to new innovative ideas. You’ll play a crucial role in the backen

A logistics technology company in Hammersmith is seeking a Senior Software Engineer to troubleshoot complex issues and deliver production-ready code. The role requires proficiency in Java and Python, along with experience in Agile environments.

We currently have a headcount of 7: 4 focused on AI applications and 3 software engineers. We are proud of our tech stack and with the help and guidance of all our software engineers, we want to keep it that way by always being open to new innovative ideas. On the server‑side we mainly use Python,

A diversified trading firm in London seeks a Python Software Engineer to join a new team enhancing tools for Traders and Quantitative Researchers. Ideal candidates possess over 3 years of experience, proficiency in modern Python standards, and strong communication skills.

A leading financial institution in the United Kingdom is seeking experienced Software Engineers to design and develop scalable technology products. This role is available at Software Engineer II and III levels. You will work in an agile team, focusing on Java or Python to create high-quality code, m

My client is looking for an experienced Python Software Engineer to join their rapidly expanding development team, leveraging Python to streamline and automate critical processes. Exceptional professional growth opportunities in a tech-focused company, allowing you to enhance your skills as a Python

The ideal candidate will have over 3 years of experience in software development with Python, strong knowledge of software design, and be passionate about coding best practices. A leading motor insurance provider in London is looking for a Software Engineer to enhance their pricing and underwriting

Python Lead Software Engineer - Athena PostTrade - Vice President. Leads communities of practice across Software Engineering to drive awareness and use of new and leading-edge technologies. Formal training or certification on software engineering concepts and proficient advanced experience.

Formal training or certification on software engineering concepts and applied experience. We have an exciting and rewarding opportunity for you to take your software engineering career to the next level. As a Software Engineer II at JPMorganChase within the Commercial & Investment Bank - Securities

Senior Software Engineer (Python). You have demonstrable experience as a senior software developer or engineer with a focus on Python (4+ years). You hold an undergraduate degree or can demonstrate equivalent knowledge in Computer Science, Software Engineering, Logic, Applied Statistics, Actuarial S

Software Engineer, Python at DRW – London. Up‑to‑date knowledge of the Python ecosystem: third‑party libraries, packaging in‑built Python libraries. DRW is seeking an exceptional Software Engineer responsible for designing and developing tools and infrastructure used by Traders and Quantit

Do you want to build robust systems that empower financial freedom? As a Senior Backend Engineer, you’ll design, develop, and maintain scalable, secure, and high-performing backend systems that power our innovative products.

A leading energy provider in the UK is seeking a Python Software Engineer to design and manage cutting-edge software platforms. The ideal candidate should have experience with Python, AWS, and CI/CD practices.

Senior Software Engineer (Python/Django). Verisk Maplecroft is looking for a Senior Python/Django developer who is passionate about delivering high-quality software solutions and embraces the challenges presented by the ever-changing landscape of web development. You will be part of a multi-discipli

We are looking for a self‑motivated software engineer with experience developing in Python, to work on test automation tools or Linux based embedded hardware. Canonical is hiring a Python Software Engineer to join the Certification team, who make the tools which enable us to know that a desktop, l

We are looking for a Software Engineer to join our team on its quest to make the worlds most loved construction software. We are dedicated to creating highly performant, user-friendly, intuitive software. It's built with Python (numpy), Postgres and React and has interesting backend scaling challeng

You will design, build, and maintain software that meets user needs, following best practices in coding and security. Responsibilities include developing software, coaching junior team members, and identifying production issues. A consulting firm in the UK is seeking a software developer to join the

Builds engineering stack required for Data and AIML products, including data engineering, backend engineering, Cloud infra DevOps and MLOps. Contributes to software engineering communities of practice and events that explore new and emerging technologies. Formal training or certification on software