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A leading developer of optical fibre based products and systems is now looking for a Senior Optical Development Engineer to join their growing site in Oxfordshire. We are looking for an experienced Optical Development Engineer who is looking for an exciting new role where you will join a team of multidisciplinary engineers to work on exciting next generation optoelectronics sensors. Your primary responsibility will be to lead the design and development of laser / fibre based optoelectronics devices. Ensuring delivery of complex projects is on time and to budget, you will support the development of the technology roadmap. You will be responsible for leading and working at all stages of the product life cycle, from initial customer enquiry to design, to prototype, sample, test, manufacturing and final delivery to customer. In this key Senior role, you will enjoy a range of excellent benefits, a competitive salary and an excellent working environment with strong support for further career and personal development. Experience: As a Senior Engineer, you should have at least 5 years commercial experience in the development of fibre systems and optical sensors. You should also have a good understanding of fibre optic alignment techniques, and optical inteferometric systems, coupled with a working knowledge of Python. Qualifications: A minimum of a Bachelors Degree in Engineering, Physics, Electronics, Optics or a related field is essential. Additional Information: Candidates must be resident in the UK and be eligible to live and work in UK, without ever requiring sponsorship. Copies of Passports and Visas will be requested for verification. Salary / benefits: Depend on Experience, c£60k plus benefits. Job Term: Permanent, Full Time, Onsite Skills: R&D, Optical Development Engineer, Physics, Photonics, Fibre Optics, Fiber Optics, Optoelectronics, Optical Sensors, Design, Development, Qualification, Alignment, Simulation, Characterisation, Electronics, Manufacturing, Characterisation, Labview. To Apply: Please send covering letter and CV to Iona Mulligan

We are seeking a talented Mid-Level Python Developer to join our growing technology team. This is an excellent opportunity for a developer with strong Python expertise and hands-on AWS experience to build and enhance cloud-native applications, integrations, and automation solutions. You will work cl

Develops custom Python software for engineering and automation, collaborating with engineers and stakeholders.

Develop Python-based tools and platforms for a global hedge fund, collaborating with investment teams to improve trading performance.

Develops and maintains a FastAPI-based headless service, REST APIs, and a technical audit service for IAM systems, ensuring production standards and high traffic handling.

Seeking a senior Python developer for a remote, 6-month contract role focusing on backend services and APIs.

Develops intelligent systems, designs/builds features and APIs using Python and TypeScript for automation in financial services.

Software Developer (Python) role, offering up to £140,000 + bonus.

Senior Python Django Developer sought by a FTSE100 retailer to architect, build, and scale high-performance AI-powered algorithmic platforms. Responsibilities include designing backend services, optimizing data processing, and mentoring junior developers.

Develop Python modules for analytics and optimization.

Develops network automation solutions using Python, Django/Flask, and container technologies.

Python Developer needed to build and maintain a research environment for a global investment management fund.

Advanced proficiency in Python, modern machine learning libraries, cloud environments (e.

NielsenIQ is seeking a Principal Data Scientist to shape high‑impact, client‑relevant Data Science concepts and ensure strategic coherence across teams and domains.The role emphasizes conceptual work, influencing direction, and scaling value across Media Measurement, Audience Activation, and Per

IAG Loyalty, a leader in travel and loyalty experiences, is seeking a commercially minded Data Science Lead to join the Data Products Leadership Team in London.The role blends technical leadership with hands-on delivery across ML solutions that drive customer engagement, profitability and growth acr

Proficiency in Python and familiarity with high‑performance computing environments.

At CoMind, we are developing a non-invasive neuromonitoring technology that will result in a new era of clinical brain monitoring.In joining us, you will be helping to create cutting‑edge technologies that will improve how we diagnose and treat brain disorders, ultimately improving and saving the

We see the world differently at Capstone Investment Advisors.Capstone Investment Advisors, LLC (“Capstone”) is a global asset manager, dedicated to exploring alpha opportunities in derivatives and complementary strategies that persist across market cycles.AUM (as of May 1, 2026) and 306 employee

We’re seeking a future team member for the role of Senior Vice President, Senior Software Engineering, Developer Experience to join our Developer Experience (DevEx) team. Create developer‑friendly templates, quick start guides, and troubleshooting tools to help feature teams quickly create perfo

Strong Python‑based modelling experience.

United States Digital Space LLC in the United Kingdom is seeking a Lead Data Scientist to set technical direction and deliver high-impact, scalable AI solutions for public and private sector clients.You will mentor cross-functional teams, shape technical standards, and build long-term client relatio

On is seeking a Principal Data Scientist specializing in personalization and customer algorithms to set the strategic direction for customer modeling across the business.You will lead high-impact initiatives to architect, train, and deploy personalization models that drive measurable value for custo

Expedia Group is seeking a Senior Data Scientist in London to provide analytics and decision support for the Localization product within Content Product Analytics.You will partner with cross-functional teams to understand user behavior, run experiments, and solve problems using statistics and causal

Advanced knowledge of Python, Deep Learning frameworks, and cloud technologies.

Tripadvisor is seeking a Principal Product Data Scientist to shape vision, set the technical direction, and drive strategic impact through innovative analytical solutions.You will partner with Product, Engineering, Design, and Commercial teams to define metrics, build scalable data platforms, and ad

Capstone Investment Advisors is seeking a data-focused professional in London to join the Data and AI group.You’ll integrate diverse data sources, work with quants and engineers, and develop data-driven decisions for investment strategies.The role emphasizes problem-solving, collaboration and inno

Candidates should have strong programming skills in Python and R, a foundation in statistical methodologies, and excellent communication abilities.

At Data Idols, we are working with a high-growth technology business using advanced data science, machine learning and operational intelligence to solve complex real-world movement and optimisation problems at scale.They are now looking for a Staff Data Scientist to lead the development of geospatia

Sanderson Government & Defence is seeking a Data Scientist with active SC clearance for a 6-month contract in a hybrid working environment.The role offers a day rate of £570 and requires close collaboration with Engineering and MI teams to deliver data-driven insights.The successful candidate will

Golang Developer Position: Golang Developer Experience: 2+ Years Location: Mumbai (Equinox, BKC, Kurla) - Work from Office Job Summary We are looking for a skilled Golang Developer with 2+ years of hands-on experience.

SBS is seeking a Lead/Principal Data Scientist in the UK to shape and deliver advanced data science solutions across products and client engagements.This senior role combines deep technical expertise with strategic leadership in a hybrid London-based arrangement.You will develop scalable AI/ML model

We established the company in 2014 because we thought that AI would be the most important technology of our time.Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI.You can read about our real-world impact here.We innovate, build and depl

Ideal candidates bring data science, ML, and analytics expertise, proficiency in Python/SQL, and a track record of evaluating AI-driven solutions.

Optimize developer workflows by streamlining build orchestration, dependency management, and CI/CD pipelines to accelerate software delivery while reducing friction. Experience delivering large‑scale, mission‑critical developer platforms in an enterprise or high‑scale environment. We’re seek

Write advanced SQL and Python to build scalable, automated analytics pipelines and self-serve dashboards. You have advanced proficiency in SQL and Python, with ability to write clean, production-quality code.

CoreWeave is seeking a Data Scientist to join the Monolith Data Science team, building a reliability platform that blends telemetry, anomaly detection, and optimization to improve cluster performance and cost.You will deploy models in production, collaborate with engineering, design experiments, ana

The ideal applicant will possess strong Python and SQL skills, experience with geospatial data, and the ability to build impactful data products.

We’re seeking a future team member for the role of Senior Vice President, Senior Software Engineering, Developer Experience to join our Developer Experience (DevEx) team. Background in Developer Experience (DevEx), Platform Engineering, or Build/Release Engineering. Create developer-friendly templ

Advanced Python and SQL skills; familiar with XGBoost, scikit-learn, pandas, MLFlow.

We are seeking a talented quantitative developer to join our Treasury Markets Data Science team. Python microservices that run quantitative models in production.

Marshmallow in London is seeking a Staff Data Scientist for Claims to lead AI initiatives across risk decisioning and automation.You’ll bridge data science, engineering and product to deploy robust models in production and drive measurable impact.You’ll own end-to-end ML and Generative AI system

Strong Python/SQL, XGBoost, scikit-learn, and MLFlow experience required; familiarity with SHAP/LIME/PDP for explainability is preferred.

Expedia Group in London is seeking a senior data scientist to advance the Localization product within Content Product Analytics.You will partner with cross-functional teams to understand user behavior, design experiments, and apply causal inference to guide product decisions.You will develop ML mode

Global FTSE PLC is seeking a Senior Data Scientist – AI, Risk & Assurance to help build a new analytics capability from the ground up.You will shape the AI strategy for Internal Audit, deploy ML models and build data pipelines for continuous risk monitoring.You will work with cloud platforms (Azur

Strong proficiency in Python and scientific computing libraries (NumPy, pandas, SciPy, scikit‑learn, PyTorch or TensorFlow).

We're on a mission to make migration easy.We started building Marshmallow in 2017.Since then, we've grown from 3 to 700+ people, gained unicorn status, raised ~£140M over three funding rounds, turned profitable, insured millions of drivers and lent millions in car loans.But we're only just getting