
Machine Learning Engineer
Hybrid
London, United Kingdom
Full Time
13-03-2025
Job Specifications
About Us:
fifty-five is a new kind of data company that helps brands leverage data to improve marketing, media, and customer experience through a combination of specialised consulting and technology services.
As the data and marketing pillar of the Brandtech Group, we offer services that blend strategy consulting, cloud services, media consulting, and customer experience expertise.
fifty-five comprises more than 400 digital experts. Digital consultants, tracking and media specialists, engineers, and data scientists work closely together to deliver top-tier marketing advice and technical assistance to brands across various industries, globally.
A partner to advertisers in data collection, activation, and utilisation, we help organisations become true omnichannel entities, mastering the efficiency of their digital ecosystem and its synergies with the physical world.
Based in London, we operate across three time zones from our 10 offices located in Paris, London, Geneva, Milan, Shanghai, Hong Kong, Shenzhen, Taipei, Singapore, and New York.
About the Role:
Within the Data Science team, you will actively participate in projects carried out by fifty-five on behalf of its clients. These projects encompass the application of machine learning methods to optimise site conversion rates and enhance the performance of the digital media mix for leading advertisers.
As an ML Engineer, you must master machine learning techniques to address a wide range of use cases while considering client activation constraints. Innovation will be central to your work, as you continuously enhance the performance of fifty-five's offerings and adapt to new tools and constraints (such as privacy considerations).
You will collaborate closely with Data Engineers and Data Analysts and will play a role in helping them develop their skills.
Tasks & Responsibilities:
Design, develop, and maintain data science solutions for our clients (scoring models, time series models, attribution models, etc.).
Conduct scientific research to foster innovation in daily projects.
Implement data transformation and processing logic to ensure high-quality, reliable data is available for analysis and reporting.
Monitor and troubleshoot data pipeline issues, ensuring timely resolution and minimal impact on business operations.
Collaborate with internal consulting and client teams to understand data requirements and deliver data solutions that meet business needs.
Effectively engage with clients at all levels, translating complex technical concepts into clear, actionable insights and maintaining strong relationships throughout project lifecycles.
Required Experience:
Graduated from a leading institution with a specialisation in a STEM field, you have 2-3 years of experience in data science. Demonstrated proficiency in data science missions and have successfully delivered complex machine learning projects
Required Skills:
Analytical and proactive mindset
Proficient with both python and SQL
Understanding of data science algorithms, how to train and evaluate them comprehensively
Good working practices, such as code versioning and familiarity with CI/CD
Ability to explain technical solutions clearly to non-technical or less technical stakeholders
Some experience working in the cloud, such as GCP or AWS is a plus
Fluency in English
If this sounds like you, please get in touch! We'd be delighted to speak with you.
In return, we can offer the following benefits:
Being part of a multicultural, dynamic and fast-growing team
Continuous (and certified) training on the digital ecosystem and technologies (initial training for all new employees, followed by recurring training sessions)
Private medical coverage through AXA
Transport for London travel card allowance - covering 50% of zone 1-2 allowance
The flexibility to work remotely for part of the week - this will continue post Covid
25 days holiday per year, in addition to UK bank and public holidays
Company pension plan
Company-sponsored sporting and social activities
Monthly Codecademy subscription - reimbursable upon completion of chosen training path
Cycle to Work Scheme
About the Company
fifty-five was founded in 2010 by former Google executives who understood and anticipated the potential of data in brands' marketing strategies. Our team has mastered a rare combination of consulting, technical skills and marketing understanding to offer high value data-based services to its clients. Headquartered in Paris, with deep European roots, we operate across 3 time zones from our 10 offices located in Paris, London, Geneva, Milan, Shanghai, Hong Kong, Shenzhen, Taipei, Singapore and New York. We're hiring! Pleas... Know more
Related Jobs


- Company Name
- Referment
- Job Title
- Senior DevOps Engineer - Blockchain
- Job Description
- About Our Client: Our client is the first regulated digital asset custody solution built by institutions for institutions. They provide secure, compliant custody services for digital asset investment. As demand for digital asset infrastructure accelerates, our client leads the way in delivering innovative, secure, and scalable solutions. Their mission is to drive institutional adoption of digital assets while maintaining the highest standards of security. Role Summary: Our client is seeking a talented Production Support & Development Engineer to join their growing engineering team. The role will focus on providing production support and development for the client platform, which connects to exchanges, liquidity providers, and MPC/HSM vaults. This is a key role in developing a secure and scalable digital asset custody solution. Key Responsibilities: Production System Engineering: Ensure platform stability through monitoring, alerting, and service management Architectural Design: Contribute to the platform's architecture and long-term vision Development & Engineering: Contribute to backend development and integrations Out-of-Hours Support: Provide periodic support for maintenance and incident resolution Integration Work: Integrate with third-party products, exchanges, and financial intermediaries Security-First Approach: Maintain a security-first mindset, adhering to secure coding practices Hybrid Working: This role offers hybrid working, allowing for flexibility in how and where you work, balancing time in the office with remote work. Qualifications & Experience: Proven experience in production support, Azure Cloud, container orchestration (Docker/Kubernetes), DevSecOps, and secure coding practices


- Company Name
- Bright Purple
- Job Title
- Senior MLOps Engineer
- Job Description
- Senior MLOps Engineer - Hybrid/Dundee Salary up to £70,000 We are looking for a Senior MLOps Engineer to join a Scottish company working on cutting edge AI solutions. You will play a pivotal role in ensuring that ML initiatives drive value effectively while maintaining operational excellence. The Role: Managing and optimising existing ML model deployments to ensure reliability and efficiency. Continuously improving the architecture, processes, and tools used for model deployment, monitoring, and lifecycle management. Collaborating closely with data scientists to understand and implement model requirements. Partnering with R&D teams to align technical strategies and integrate ML solutions into broader systems. Implementing robust CI/CD pipelines, monitoring systems, and infrastructure automation. Upholding best practices in security, cost management, and infrastructure design for cloud environments. The Ideal Candidate: 4+ years of experience in MLOps, DevOps, or software engineering roles. Strong programming skills in Python and familiarity with ML frameworks. Extensive experience with AWS services (e.g., SageMaker, ECS, Lambda) and cloud environments. Proficiency with containerization and orchestration tools (Docker, Kubernetes). Experience with version control systems and CI/CD pipelines. Knowledge of data engineering concepts (e.g., ETL, data pipelines). Ability to troubleshoot complex production systems.. If you have the skills and desire for this, then please email your CV to claire.webber@brightpurple.co.uk Bright Purple is an equal opportunities employer: we are proud to work with clients who share our values of diversity and inclusion in our industry.


- Company Name
- Rolls-Royce
- Job Title
- Electronics Engineer
- Job Description
- Job Description Electronics Hardware Engineer Full time Solihull / Hybrid An exciting opportunity has arisen for an Electronics Hardware Engineer to join the Electronics Programme team who design, develop & maintain Control & Monitoring Units for Rolls-Royce applications, ultimately helping to create new product lines. This is a chance for you to join a growing team and help us in improving our current processes for a brighter future. We are looking for an individual who is driven and likes working to a high standard in the area of safety critical, harsh environment electronics systems. While we encourage specialisation, we also offer options to cross-specialise and develop skills across a number of different areas. We’re proud to be part of the pathway to net zero as we power society for generations to come. Work with us and we’ll welcome you into an inclusive culture, one that invests in your continuous learning and development, and gives you access to a wide breadth and depth of experience. You’ll support the design, development, testing, verification, qualification and support for electronic control and monitoring units. Participate in the planning and implementation of policies and procedures to ensure that the activities considered during the life cycle of an electrical product are carried out in a consistent and appropriate manner. Why Rolls-Royce? Rolls-Royce is one of the most enduring and iconic brands in the world and has been at the forefront of innovation for over a century. We design, build and service systems that provide critical power to customers where safety and reliability are paramount. We are proud to be a force for progress, powering, protecting and connecting people everywhere. We want to ensure that the excellence and ingenuity that has shaped our history continues into our future and we need people like you to come and join us on this journey. We’ll provide an environment of caring and belonging where you can be yourself. An inclusive, innovative culture that invests in you, gives you access to an incredible breadth and depth of opportunities where you can grow your career and make a difference. What We Offer We offer excellent development opportunities, a competitive salary, and exceptional benefits. These include bonus, employee support assistance and employee discounts. Your needs are as unique as you are. Hybrid working is a way in which our people can balance their time between the office, home, or another remote location. It’s a locally managed and flexed informal discretionary arrangement. As a minimum we’re all expected to attend the workplace for collaboration and other specific reasons, on average three days per week. What You Will Be Doing Deliver electronic design work packages in support of a control and instrumentation electronic unit. Elicit and capture the high level customer requirements for an electronic unit, being able to work in parallel and with some degree of uncertainty. Ensure methods employed in the product design and developments are technically sound and appropriate for the project being undertaken and to company processes Work packages include detailed specification, concept design, detailed design and definition, integration of the system and unit verification and qualification, ensuring that detailed requirements are achieved and critical safety hazards identified are mitigated. Skills/Experience Educated to degree level in a relevant discipline. A minimum of 2 years experience in Electronics Engineering role. Electronics speciality could include Power Supply Design, Analogue Design, Digital Design or EMC Experience preferable in an aerospace or safety critical environment. We are an equal opportunities employer. We’re committed to developing a diverse workforce and an inclusive working environment. We believe that people from different backgrounds and cultures give us different perspectives which are crucial to innovation and problem solving. We believe the more diverse perspectives we have, the more successful we’ll be. By building a culture of caring and belonging, we give everyone who works here the opportunity to realise their full potential. We welcome applications from people with a refugee background. You can learn more about our global Inclusion strategy at Our People | Rolls-Royce Closing date: Thursday 27th March 2025 Job Category Electrical and Electronics Posting Date 13 Mar 2025; 00:03 Posting End Date 27 Mar 2025


- Company Name
- Oscar
- Job Title
- Senior Software Engineer
- Job Description
- Senior Software Engineer | Fulfillment and Logistics | Bournemouth | £45,000-£55,000 DOE Are you an experienced Senior Software Engineer looking for a new opportunity? I'm working with a fast-growing tech company that’s building software for the fulfilment and logistics industry. They’re looking for a skilled PHP (Laravel) and Angular developer to join their talented development team and help shape the future of their products. The Role: As a Senior Software Engineer, you’ll be a key in the developments leading to a cloud-based Warehouse, Fulfilment, and Logistics platform that'll be used globally. You’ll collaborate with an amazing team of engineers, designers, and product owners to develop solutions. You'll be working with modern tech stacks and have a real impact on the direction of the product. Tech Stack: You’ll be working with: PHP (Laravel) – Core system development JavaScript (Angular) – Frontend & mobile apps Also: Google Cloud Platform (GCP) – Cloud infrastructure Go & Node.js – Microservices Kubernetes & Docker – For containerized deployments MySQL & ElasticSearch – Database and search functionality What They’re Looking For: Strong commercial experience with Laravel and Angular A proactive mindset, eager to take on challenges Someone excited to work with modern tech! This is a fantastic opportunity to join a company that’s scaling fast, offering you exposure to exciting projects and the chance to make a real impact. Interested? Apply below as this could be the role for you! Senior Software Engineer | Fulfillment and Logistics | Bournemouth | £45,000-£55,000 DOE