trade matching infrastructure Requirements 5+ years experience building backend infrastructure in financial markets Direct experience integrating FIX APIs and broker bridges (PrimeXM required) Experience with CFDs Strong programming skills (Python, or similar) Deep understanding of execution logic, margin enforcement, and post-trade flows Nice to Have Experience with clearing systems, prime brokers, or liquidity providers Exposure to net settlement, per More ❯
Join Redslim as a Python Full Stack Engineer! At Redslim , were on a mission to harness the power of data to drive meaningful impact and positive change. We partner with some of the worlds most iconic consumer brands to turn complex datasets into transformative business intelligence solutions. Our commitment goes beyond innovation we care deeply about diversity, inclusion, and the … professional growth & wellbeing of our people. Now, were looking for a skilled, curious, and collaborative Python Full Stack Engineer to join our TechnologyProduct team and help shape the future of scalable, data-driven systems. Work location On-site, hybrid, or remote in Spain, France, Portugal or the UK flexibility is at the heart of how we work. What youll do … us craft seamless digital experiences while driving forward our data engineering and cloud-based capabilities. Your key responsibilities will include: Design, develop, and maintain web applications and APIs using Python, dotnet and React. Leveraging the capabilities of LLMs in your daily work and in features we build Collaborate with data engineers to build, optimize, and maintain data pipelines and ETL More ❯
Business Intelligence Engineer 12 Months Hybrid - London Inside IR35 Up to 500 a day Key Skills: Data modelling, data warehousing, Dashboarding Technical: AWS, SQL Python Key Responsibilities: - Build End to End dashboarding solutions to optimize EU CF Operations using AWS - Data source exploration, data warehousing expansion, horizontal datasets for downstream consumption - Work with customers to build Dashboards with the right … KPIs, Metrics for decision making - Data Quality checks, ETL/ELT processes, automation Technical Requirements: - Strong proficiency in SQL and Python programming - Extensive experience with data modeling and data warehouse concepts - Advanced knowledge of AWS data services, including: S3, Redshift, AWS Glue, AWS Lambda - Experience with Infrastructure as Code using AWS CDK - Proficiency in ETL/ELT processes and best More ❯
Adapt to diverse legacy stacks, including proprietary or niche technologies. Required Skills & Experience 5+ years of full-stack development experience. Strong coding skills in: C#, .NET Core & one of Python/JavaScript/TypeScript. Experience modernising or migrating legacy systems (e.g., WinForms, WebForms, classic ASP). Familiarity with AI developer toolchains (LangChain, Semantic Kernel, Devin). Solid understanding of automation … repositories. Experience with cloud platforms (Azure, AWS, GCP) and DevOps tools (Terraform, Docker, GitHub Actions). Exposure to AI-integrated developer environments like Cursor or Devin. Scripting experience in Python, TypeScript, or PowerShell. Soft Skills Autonomous and proactive in identifying automation opportunities. Strong communicator and collaborator in cross-functional teams. Eager to learn and experiment with evolving AI frameworks. Detail More ❯
Youll bring strong experience in Terraform , and ideally Pulumi , to lead environment development and set the standards for best practices in infrastructure automation. The development team primarily codes in Python , so an understanding of Python-based tooling and Pulumi would be particularly advantageous in helping to bridge development and operations effectively. Key Responsibilities Lead the design, implementation, and optimisation of … internal toolsets. Key Skills & Experience Proven experience in Site Reliability Engineering or Principal DevOps roles. Strong Infrastructure-as-Code (IaC) expertise using Terraform and (ideally) Pulumi . Proficiency in Python or familiarity with Python-based DevOps tooling and automation frameworks. Experience leading, mentoring, and scaling technical teams within fast-growing environments. Deep understanding of cloud infrastructure (AWS, Azure, or GCP More ❯
Performance Test Engineer (Python Automation for large-scale, low-latency, distributed VoD/Avod streaming video systems) Remote Europe/UK Location: Remote (Europe & UK only) Full-Time | 6-Month Contract | Start Date: within 1-2 weeks 325-350pd IR35 Outside TBC Were seeking a hands-on Performance Test Engineer/Performance Tester with Strong Python and automation expertise … build, and execute the performance testing strategy for a high-scale, ad-serving platform built on Akka-based Java microservices. Ideally Required to build automated load frameworks using Locust (Python). Its important to the end client that suitable candidates have solid experience in the streaming domain and with issues related to handling millions of concurrent users, and that they … z2bz0 years of performance engineering for large-scale, low-latency, distributed systems. Proven success meeting p95/p99 latency SLAs under high concurrency (millions of RPS). Strong Python and automation expertise able to design reusable, scalable test frameworks. Experience with distributed load testing and synthetic traffic modeling in the cloud. Analytical, structured, and effective communicator with strong documentation and More ❯
Senior Python Developer Location: Remote (London office available) Type: Full-time Were looking for an experienced Senior Python Developer to join a small, highly skilled engineering team building a next-generation Financial Services Regulatory Compliance platform. Youll work on complex systems that process and analyse tens of thousands of regulatory documents and millions of regulatory news items leveraging cutting-edge … AI and LLM technologies to deliver actionable insights. Key Responsibilities Design, develop, and maintain scalable backend systems using Python and FastAPI in an API-first architecture. Refactor and rebuild complex components of the existing platform to improve performance, scalability, and maintainability. Take ownership of key system modules while collaborating closely with a small, agile team of three engineers. Contribute to … to enhance automation and intelligence across the platform. Work cross-functionally with product and data teams to deliver new features and enhance existing capabilities. About You Extensive experience with Python, particularly in API-first development (FastAPI preferred). Strong understanding of modern software architecture, system refactoring, and scalability improvements. Comfortable working autonomously and taking ownership of major system areas, while More ❯
wants to play a part in shaping the technical vision of this business and work on their product from an early stage. What you'll work on: Backend APIs (Python/FastAPI): Build and maintain secure, high-performance services that drive AI features and data access at scale. RAG & vector search: Design and improve retrieval pipelines (embeddings, chunking, hybrid search … databases (pgvector, FAISS, Weaviate, Elasticsearch k-NN), embeddings, and hybrid search methods. Practical knowledge of chunking strategies, indexing, precision/recall trade-offs, reranking, and evaluation techniques. Proficient in Python (FastAPI) and React/Next.js . Solid experience with both SQL and NoSQL databases (Postgres, DynamoDB, etc.). Exposure to LLMs, embeddings, and vector search APIs . Strong understanding of More ❯
Innovative AI Start-up now requires a Python engineer to build innovative data solutions which power smarter and more relevant customer experiences. You will develop and design data pipelines, data models, backend APIs and an array of customer facing data services. The role: Own and improve our clients data infrastructure ensuring reliable and scalable services. Write and refine tests across … to deliver high impact work at pace. Design and develop dashboards to deliver insights. Shape the direction of our clients architecture, scalability and security. Key Requirements: Strong hands-on Python experience with a solid understanding of modern data tools. Extensive experience working with both SQL and NoSQL databases. Exposure to cloud services, infrastructure as code and CI/CD pipelines. More ❯
CPO/Systems Design technical Interview I've partnered with a growing Manchester based start-up, who have recently won 3 new clients and are looking for a senior Python engineer to help to scale and manage their Agentic AI product. The team currently sits with the CTO and Head of Engineering, with the HoE being very hands on. Due … to the increased workload, he is looking to hire a deputy, to take over some of his responsibilities. Skills Required : Python TypeScript Infrastructure as Code Terraform Experience with an AI coding assistant (Claude/Codex etc) A keen interest in, or experience with AI/ML More ❯
are working with a growing SaaS company that's building a powerful platform to help businesses manage employee shares and incentive plans. They are looking for a driven Senior Python/Django Developer in the UK to join their fully remote team and play a key role in the next phase of product growth. This is a hands-on role … world problems in legal and financial workflows. The platform is already delivering meaningful value to clients, and theres plenty of room for innovation. What Youll Be Doing Writing backend Python code to build and enhance core product features Working across the full development lifecycle; planning, building, testing, and shipping software Contributing to the platforms performance, reliability, and scalability Collaborating with More ❯
Data Integration : Build and maintain data pipelines using SQL and Azure Data Factory (ADF) . ML Ops : Implement CI/CD workflows, monitor model performance, and manage retraining pipelines. Python Development : Write clean, scalable code and manage version control using Git . Cross-functional Collaboration : Work closely with actuaries, analysts, and developers to translate data science into actionable insights. Innovation … ML trends and support team learning in tools and techniques. What Youll Bring Essential Experience: Strong hands-on experience with Azure ML or Azure-based production environments. Proficiency in Python , SQL , ADF (Azure Data Factory) , and Git . Solid understanding of ML Ops , CI/CD, and model lifecycle management. Ability to communicate technical concepts to non-technical stakeholders. Desirable More ❯
system architecture. What you will be doing Creating responsive, maintainable user interfaces using Next.js and related modern frameworks Designing and implementing backend services and APIs using Nest.js, Node.js, or Python Integrating analytics and intelligent functionality into full stack applications Working with both SQL and NoSQL databases for performance and scalability Deploying and maintaining services on cloud environments such as AWS … understanding of both SQL and NoSQL databases Experience with cloud platforms such as AWS or Azure Familiarity with Git and CI/CD pipelines Nice to have Experience with Python for data integration or analytics Background in enterprise SaaS environments Understanding of data-driven or machine learning features (advantageous but not essential) This position would suit a developer who enjoys More ❯
part of a collaborative development team solving real-world problems, building scalable solutions from prototype to production, and contributing directly to the companys growth milestones. Key Responsibilities Backend APIs (Python/FastAPI) : Build secure, scalable services powering AI features and data retrieval. RAG & Vector Search : Design and iterate retrieval pipelines using chunking, embeddings, hybrid search, and feedback loops. LLM Integration … contribute to technical strategy. Innovation : Explore and recommend new tools and frameworks for full-stack and AI development. Experience: 5+ years of full-stack development experience. Strong proficiency in Python (FastAPI) and React/Next.js. Experience with RAG systems, vector databases (pgvector, FAISS, Weaviate), and hybrid search. Deep understanding of chunking, indexing, reranking, and evaluation metrics. Solid experience with SQL More ❯
tool in the browser using WebGL and Three.js . Build and maintain React components to enable user interaction with different types of media (images, video, text). Integrate backend Python APIs and model outputs to drive visualizations based on real-time or precomputed neural data. Implement intuitive and responsive UI/UX for researchers, scientists, and public audiences. Work closely … Skills: Strong experience with WebGL , Three.js , or similar 3D graphics frameworks. Proficiency in React.js and modern frontend development (HTML/CSS/JavaScript or TypeScript). Solid understanding of Python , particularly in the context of APIs and backend integration. Ability to work independently and drive frontend architecture decisions. Experience building interactive, visual, or media-rich web applications. Desirable (Nice to More ❯
Senior Product Engineer Remote First (Occasional travel to London) | 100k + 10% Bonus Python, TypeScript, GCP/AWS Are you a software engineer with a product mindset? Do you ask questions about what youre building, challenge assumptions, and care deeply about solving real user problems? If so, this is the opportunity for you. This is an opportunity for a Senior … will thrive here if you are experienced and comfortable with: Collaborating with engineers and product teams to design and deliver high-quality, scalable solutions. Building and maintaining services using Python, TypeScript, and cloud platforms such as AWS or GCP. Working with serverless architectures, containerisation, and NoSQL databases. Championing observability, data-driven decision making, and continuous improvement. Influencing product direction by More ❯
Role | DevOps Engineer Company | SaaS, Database Encryption, Database Migration, B2B Size | 20 Areas | CI/CD, Cloud, IaC, Reliability Tech | Environment-agnostic (cloud and on-prem), Python, Terraform, K8s, Postgres, C++ Based | Anywhere in the UK Working | Fully remote Offer | Up to 85k + benefits Hi Workonomics is partnering with a recently funded B2B SaaS firm whose mission is to … the company scales. You'll bring: Good knowledge of cloud-native applications with experience across at least one (ideally 2+) cloud providers. Fluency with IaC (Terraform or similar), scripting (Python, bash...) and ability to read code in production. Experience designing CI/CD pipelines , ideally with Github Actions but equivalent tools are fine. Understanding of what direction to take when More ❯
new and existing networks (hardware, routing/switching, telco circuits, low-latency technologies, data centre connectivity). Use Network as Code principles automate with Ansible , Terraform , and coding in Python/Bash . Develop new features, improve observability, and enhance automation. Collaborate with vendors, circuit providers, and internal engineering teams. Support and improve infrastructure reliability across multiple regions. What Youll … Bring Solid experience as a Network Engineer or Systems Administrator ideally both. Hands-on coding ability Automation experience Ansible , Terraform , scripting in Python or Bash . Understanding of low-latency networking (TCP/IP, Multicast IGMP/PIM, Layer2/3, WAN). Familiarity with BGP , EVPN , Arista or Cumulus Linux , and firewall automation . Strong Linux knowledge (command line More ❯
creatively? Then look no further because we are what you have been looking for! We are looking for a Senior Principal Data Scientist with strong technical skills using either Python or R, experience leading teams and the ability to communicate with both technical and non-technical teams across the business. This role sits within Optum UK Health Analytics team responsible … that can be applied to the UK business. Who youll be We need you to demonstrate significant experience within data science. We want you to have experience in either Python or R together with experience leading data science teams. You will also have solid experience of creating and implementing both the strategic and technical direction of those teams. Being passionate More ❯
responsible for building scalable, high-performance Back End systems that power their banking platform. You Will: Design, develop and deploy scalable, high-performance Back End systems using Java/Python/Golang. Collaborate with the engineering team to define and implement new features and services. Roll features out to over 10,000,000 users and also close to … internal staff. You Have: Strong experience in Java/Python/Golang programming. Experience with AWS or other cloud platforms Strong test driven development Strong scalability and performance mindset Location - Full remote (from the UK) Duration - 6 months Rate Up to 700pd inside IR35 Senior Backend Developer - Up to 700pd Inside IR35 - Full Remote More ❯
Full-Stack Developer (Python/JavaScript) 100% Remote (UK-based) Up to 55,000 | Full-Time About the Role Our HealthTech client is building a cohesive, high-performing in-house engineering team to power their growing technology suite from web applications and data analytics platforms to AI tools and internal systems. Theyre looking for a Full-Stack Developer who enjoys … make a difference to peoples lives. What Youll Do Collaborate with engineers and product leads to build reliable, user-friendly web applications Develop and maintain APIs and services using Python (Flask or similar frameworks) Build and enhance modern front-end interfaces using JavaScript and React Implement best practices for modular architecture , reusable code , and streamlined deployments Contribute to front-end … consistency and tech stack standardisation Support AI, data processing, and user-facing integrations What Were Looking For Strong proficiency in Python and JavaScript Experience with Flask (or similar server-side frameworks) Solid React (or equivalent modern JS library) skills Comfortable with REST APIs, MongoDB , and cloud deployment Familiarity with CI/CD , containerisation , and scalable systems Self-motivated, collaborative, and More ❯
to integrate evaluation insights and drive model improvements. Required Skills & Qualifications Experience: 710+ years of proven experience in building and deploying complex software solutions. Languages (Priority): Strong proficiency in Python, Java, C, C++, or JavaScript especially for evaluating and refining model-generated code. Code Evaluation Expertise: Skilled in developing test harnesses, assessing code for correctness, efficiency, and security, and defining … measurable code quality metrics. GenAI Familiarity (Preferred): Understanding of LLMs, code generation, and model evaluation/fine-tuning workflows. Preferred Skills Priority Languages: Python, Java, C, C++, JavaScript Domain Expertise: STEM fields, data analysis/science, or data visualization Technical Stack: Web visualization platforms, SQL/databases, JSON, HTML, Markdown, and modern data libraries. Seniority: Tech Lead level suited for More ❯
cloud knowledge, ideally AWS as well as Terraform and Kafka experience. As well as this you will also be expected to have knowledge of GitLab as well as having Python experience is a must. As the AWS Engineer, you will be a self-starter who has excellent stakeholder management experience who can show outcome based work. You will also be … remote position but they have an office based in Southwark should you wish to go in. Skills required for the AWS Engineer: Knowledge of AWS Working experience of Kafka Python experience Excellent communicator This is a really exciting opportunity to rapidly grow your skill set and work closely with some of the most talented Developers and Analyst's within this More ❯
or a related field, and excited about continuous learning Skilled at designing and conducting experiments and 'what-if' scenarios to deliver actionable insight Experienced with discrete event simulation using Python (libraries such as SimPy, PySim, Simulus, and optimization libraries like PySci) Experienced with Agent-Based Modelling using Python, leveraging libraries such as MESA or AgentPy Proficient in translating simulation results More ❯
literacy and decision-making through accessible and high-impact reporting Tooling & Predictive Analytics Support the setup and optimisation of Amplitude to improve experimentation workflows (event setup by engineering) Leverage Python and SQL to deliver predictive models and analysis where valuable Help establish frameworks for innovation and continuous improvement in how we use data Who You Are: Must-haves 56 years … of experience in a data analyst or product analytics role Advanced SQL skills; comfortable querying complex datasets Intermediate Python skills (for deeper analysis or light modeling) Experience with A/B testing, ideally in a product-led growth or experimentation-heavy environment Strong knowledge of SaaS product analytics; ability to work cross-functionally with product and growth teams Nice-to More ❯
