Brand Ambassador - Limitless Growth Solutions - London

The role will contribute to the ongoing design and development of a robust modelling framework by improving model capabilities, strengthening model controls and enhancing the consistency of model usage across the team. A key responsibility will be supporting the translation of business and actuarial

CONTRACT ROLE - Media Mix Modelling (MMM) Contractor | Fully Remote | Up to £550 p/d | Short-Term (12 Days Over 4 Weeks) THE OPPORTUNITY We're looking for an experienced Media Mix Modelling (MMM) Contractor to support an upcoming engagement, working within an existing Python-based modelling environment. This is a purely technical, non-client-facing role, focused on extending an existing MMM framework, preparing and validating data, and ensuring the model is ready for execution. The work is delivery-focused and well-suited to someone comfortable picking up an existing codebase, working independently, and contributing to a fast-moving modelling engagement with minimal oversight. THE ROLE As an MMM Contractor, you will: • Review and update existing Python-based MMM notebooks to incorporate additional media channels, • Prepare and validate input data from multiple sources prior to modelling, • Perform data cleaning, transformation, and feature engineering, • Run, calibrate, and sense-check MMM model outputs, • Support model validation and quality checks to ensure outputs are robust and usable, • Document methodology, assumptions, and any updates to the modelling approach, • Proven experience delivering Media Mix Models end-to-end, • Strong Python skills, including working in notebook-based environments (e.g. Jupyter), • Experience working with existing codebases and extending models, • Experience with data wrangling, transformation, and pipeline preparation, • Familiarity with MMM techniques and frameworks such as:, • Bayesian MMM, • PyMC / PyMC-Marketing, • Robyn (or equivalent), • Experience working with marketing data (media channels, spend, performance metrics), • Exposure to both B2B and B2C brand environments, • Experience with causal inference or econometrics approaches, • Experience validating MMM outputs against business performance, • Familiarity with cloud environments (AWS, GCP, Azure) Please apply directly or email with your CV and availability. KEYWORDS Media Mix Modelling, Marketing Mix Modelling, MMM, Python, PyMC, PyMC-Marketing, Robyn, Bayesian Modelling, Econometrics, Marketing Analytics, Adstock, Saturation, Data Science, MMM Contractor

Live Event Crew - Logistics Supervisor Job Summary This a excellent opportunity for anyone who believes themselves to be a great communicator, enjoys managing people, enjoys problem solving and has a talent for logistics. Silverback is well established crewing company with 18 years experience and it is our personal approach and professional attitude that separate's us from other crewing companies. The job would require you to build relationships with our crew and create excellent lines of communication. You to be part of a team, working together with the goal of placing the best crew on each job day after day, ensuring each job has the relevant amount of experience. It can often be a fast paced environment where our clients demand last minute crew and it is in this element of the job where moving crew around and problem solving comes in. We pride ourselves on having an incredibly positive office environment, where the balance of fun and work is struck easily. Responsibilities To book and manage crew on jobs effectively. To follow process in order to prevent any issues for clients or Silverback. To have excellent communication and personable skills. To have a passion for logistics and problem solving.

• Build models across credit, insurance, pricing, and more., • Leading model development from the ground up to drive business impact., • A great next step for a data scientist who thrives in the modelling space.We’re looking for a Senior Data Scientist with a passion for building risk models. If you’re the kind of data scientist who doesn’t just tweak existing models but creates them from scratch, this is your chance to make a real impact!What you’ll be doingThis role is all about risk (we can’t stress that enough!). We’re looking for someone technically strong (likely a data scientist or similar) with a proven background in modelling risk across different environments.As part of a specialist Risk Modelling Team, you’ll operate in a collaborative, matrix-style environment. Your work will include model development, enhancement, and forecasting, ensuring outputs are accurate, robust, and clearly communicated.This role is also a chance to work on variations of risk, you’ll model across multiple areas and projects, outside of a highly regulated environment. They need someone adaptable, curious, and genuinely passionate about risk modelling. Your projects could include insurance risk, asset risk, financial risk, pricing risk, credit risk, climate risk and more.You’ll thrive on building and enhancing models from the ground up, bridging the gap between complex statistical techniques and clear, actionable insights for stakeholders. You’ll work closely with senior leaders, collaborate across functions, and play a key role in strategic projects. Sound like you? Apply now!What experience you’ll need, • Strong background in risk modelling and using these insights to inform business decisions, • Proven experience building risk models from scratch and enhancing existing ones, • Excellent skills in R, Python, or SAS, • Experience leading complex model updates (both operational enhancements and full development projects) with clear communication of outcomes, • Ability to present to stakeholders and translate risk issues into business applications, • Exposure to multiple risk types (insurance, pricing, climate, asset, credit, etc.), • Knowledge of model risk management, • Experience working outside regulated risk environments, • Desirable: Industry experience in finance, automotive, or similar sectors, plus exposure to advanced techniques like machine learning or predictive modellingWhat you’ll get in returnUp to £90,000 base salary, plus a strong bonus and a comprehensive benefits package. You’ll work from the London office three days per week, with flexibility to work remotely the rest of the time.What’s next?Apply with your CV, and we’ll be in touch to arrange a conversation if it’s a good fit!

Information Modeller - Data, Sparx EA, UML, BPMN / ArchiMate £Market Rate (Inside IR35) London / Remote (1-2 days in office per month) 6 Months initial contract My client is a large International Consultancy, who are hiring an Information Modeller with strong Data experience and working knowledge of Sparx EA, UML, BPMN / ArchiMate to work closely with a high profile end customer. Key Requirements: • Proven Information Modelling experience, • Strong background in Data (Governance, Modelling, Architecture), • Demonstrable experience with Sparx Enterprise Architect, • Previous experience of UML for interaction notation regarding interfaces and integrations as well as class notation for static and integration data, • Working knowledge of BPMN / ArchiMate for processes / strategy, • Experience of applying agreed modelling techniques, standards, patterns and tools, • Ability to enable users to find information through appropriate use of metadata and search tools, • Previous experience of contributing to the development of solution architectures in business, infrastructure or functional areas, • Capability to organise knowledge assets and oversee the lifecycle of identifying, capturing, classifying, storing and maintaining assets, • Ability to develop the physical schema for a relational database from a subset of an information model (simple concepts, enumerations, compositions, generalisations, simple constraints, complex constraints, time series / historical data etc), • Working knowledge of developing interaction diagrams and message request / response payloads for GET, DELETE, POST, PUT, and PATCH http requests, • Proven experience in the Energy / Construction / Transport / Engineering sector(s) Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk

Senior Data Modeller / Principal Data Modeller London - Hybrid (3 Days in Office) Salary: Up to £90,000 This is an exciting opportunity to join a high-growth consultancy environment where you will shape data modelling standards, influence enterprise-level design, and work directly with senior stakeholders across complex financial services programmes. If you enjoy combining hands-on modelling with broader architectural thinking, this role offers significant impact and clear progression. The Company They are a well-established consulting firm with a strong footprint across financial services and energy. Their data capability exceeds 300 specialists, and their Data Architecture function is known for delivering high-quality modelling, strategy and metadata solutions across large-scale transformation programmes. They operate in a collaborative, low-ego environment where expertise is valued and career progression is structured and transparent. The Role As a Senior or Principal Data Modeller, you will: • Lead and deliver hands-on data modelling across complex programmes., • Design relational and dimensional models for transactional, analytical and enterprise environments., • Define modelling frameworks, standards, and guardrails for large transformations such as migrations., • Shape and document metadata, lineage, catalogues and source-to-target mapping., • Contribute to ETL design and data movement patterns across platforms., • Work with JSON, XML, Parquet and other semi-structured formats used across financial systems., • Engage senior stakeholders and guide best practice within multidisciplinary teams., • Principal level: provide thought leadership, support revenue activity and lead client-facing presentations. Your Skills and Experience You will be a strong fit if you can demonstrate: • Deep commercial experience in hands-on data modelling (relational and dimensional)., • Ability to design logical and physical data models and explain modelling decisions to stakeholders., • Experience working in consulting, financial services, or energy environments., • Capability in ERWin or similar modelling tools such as Sparx, RSA, Visio or related platforms., • Understanding of ETL flows, metadata management and how data is structured for AI, ML, BI and analytics use cases., • Comfort operating in client-facing settings and contributing to delivery outcomes., • Principal level: additional experience in leadership, client development or shaping solution direction. What They Offer • Exposure to major financial services organisations and high-impact data programmes., • Supportive culture with ongoing learning and a strong data community. How to Apply If you are interested in this Senior or Principal Data Modeller position, please apply with your CV and we will be in touch soon.