Transport for London
Senior Transport Visualisation & Data Developer
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Key Information
Job Title
Senior Transport Visualisation & Data Developer
(known internally as Senior Visualisation Modeller)
Salary
Circa £45,000 Grade: Band 2
Contract Type
TfL Reference: 5155
Team
Network Performance
Directorate
Chief Operating Officer
Contract Details
Full-time
Location
Southwark, London SE1, with hybrid working
Hybrid working within this role enables a balance of 50 per cent of time split between the office and home over a 4-week period. Hybrid working arrangements can evolve subject to business requirements
Application Closing Date
30 July 2026 @ 2359
All offers of employment are subject to satisfactory right-to-work checks. Candidates must be able to demonstrate their right to work in the UK. At the present time TfL is unable to offer visa sponsorship for this role.
Overview Of Project/Role
At TfL’s Network Performance, we're focused on keeping London moving. Working across one of the world's most complex urban transport networks, we use data, insight and innovative thinking to improve journey time reliability, reduce congestion and support better outcomes for everyone who travels around the capital. From enhancing bus priority and optimising traffic signals to supporting major programmes such as Superloop, our teams work collaboratively to deliver practical, customer-focused improvements that make a real difference to millions of journeys every day.
TfL’s Network Performance team is bridging the gap between complex transport analytics and high-impact stakeholder communication. We sit at the intersection of traffic engineering, data science, and interactive visual media.
We are looking for a Senior Transport Visualisation & Data Developer—a hybrid role for someone who understands traffic modelling methodologies and possesses the technical skills to transform heavy datasets into compelling, interactive visual stories.
Whether you are building 3D game-engine simulations of new road layouts, developing interactive R Shiny dashboards for decision-makers, or scripting custom data pipelines to streamline Vissim/Visum outputs, your work will directly influence major London transport initiatives like Superloop and signal optimisation programs.
You'll also play a key role in driving innovation, continually exploring new tools, technologies and techniques to enhance the way TfL visualises and communicates data, modelling outputs and network performance insights.
Key Accountabilities
- Technical Visualisation: Design and build high-quality 2D/3D visual assets, interactive dashboards (e.g., R Shiny), and game engine environments (Unity) to explain complex transport concepts to non-technical stakeholders
- Data & Modelling Integration: Develop custom scripts and automation tools to process, clean, and convert large traffic modelling outputs into visual pipelines
- Cinematic & Spatial Content: Create accurate 3D animations, flythroughs, and visual assets representing proposed engineering and traffic schemes for public consultations, broadcast, and executive briefings
- Process Optimisation: Collaborate with Transport Modellers to build custom tools and workflows that improve the speed, accuracy, and presentation of traffic models
- Stakeholder Engagement: Translate detailed transport analysis insights into clear, persuasive visual narratives for decision-makers and the public
- Standards & Innovation: Drive technical best practices across the team by exploring emerging visual technologies, real-time rendering tools, and data analytics frameworks.
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Skills
Skills, Knowledge & Experience
- Data Processing & Scripting: Strong coding capability (e.g., C#, Python, R, or C++) to write custom scripts, automate data processing, and handle large transport datasets (Essential)
- Visual & Spatial Design: Methodical approach to creating high-quality visual outputs with a keen eye for accurate spatial presentation, detail, and clear layout (Essential)
- Analytical & Problem Solving: Excellent numeracy and logical problem-solving skills, with a high standard for maintaining clean code and data accuracy (Essential)
- Technical Communication: Strong verbal and written communication skills, with the proven ability to translate complex engineering concepts into accessible visual formats for diverse audiences (Essential)
- Project Prioritisation: Ability to define technical requirements, manage individual deliverables, and deliver high-quality outputs to agreed deadlines (Highly Desirable)
Knowledge
- Transport Modelling Software: Working knowledge and clear understanding of standard micro/macro traffic modelling tools (e.g., Vissim, Visum, or LinSig) (Essential)
- Real-Time & Interactive Software: Working knowledge of interactive web applications or game engines used for visual rendering (e.g., Unity, R Shiny, 3ds Max) (Essential)
- Traffic Engineering Principles: Understanding of core traffic management concepts and signal control techniques (Essential)
- Urban Traffic Control (UTC): Awareness of London UTC systems and adaptive control strategies such as SCOOT (Desirable)
- Production Pipelines: Understanding of digital rendering, animation, and video post-production workflows (e.g., Adobe Creative Cloud / After Effects) (Desirable)
Experience
- Hybrid Visual & Data Delivery: Practical experience transforming complex raw datasets into interactive visual dashboards, 3D environments, or technical graphics (Essential)
- Traffic & Spatial Data Handling: Experience working directly with traffic modelling outputs, spatial datasets, or transport network data (Essential)
- Client & Stakeholder Presentation: Proven experience conceptualising and presenting visual proposals or technical insights to non-technical decision-makers (Highly Desirable)
- Industry Background: Experience gained within a transport planning, civil engineering, data visualization, or visual effects/design consultancy environment (Desirable)
- Education & Qualifications: Relevant degree, HNC, or equivalent practical experience in Traffic Engineering, Computer Science, Data Visualisation, or a related technical discipline (Essential)
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Additional Information
Interview for this role are scheduled to take place from 07 September 2026.
Application Process
Please apply using your CV and a one-page cover letter
- Think carefully about the skills, knowledge and experience in the advert and cover this in your CV and cover letter
- PDF format preferred and do not include any photographs or images
Equality, Diversity and Inclusion
We are committed to equality, diversity and inclusion. We want to represent the city we serve, which will help us become a more innovative and efficient organisation. Our goal is to make our recruitment as inclusive as possible. We are a disability confident employer who guarantee an interview to any disabled candidate who meets all of the essential criteria. We also use anonymising software that removes identifying information from CVs and cover letters to make the process fair.
Benefits
In return for your commitment and expertise, you will enjoy excellent benefits and scope to grow. Rewards vary according to the level of role but mostly include the below:
- Final salary pension scheme
- Free travel for you on the TfL network
- Reimbursement of 75% of the cost of a standard class Ticket for National Rail travel from home
- 30 days annual leave plus public and bank holidays
- TfL is committed to work-life balance, operating a hybrid working approach where business and role requirements allow
- Private healthcare discounted scheme (optional)
- Tax-efficient cycle-to-work programme
- Retail, health, leisure and travel offers
- Discounted Eurostar travel
We will make every effort to give you as much notice as possible, however some interviews/assessments could be organised at short notice.
Vetting Process
At Transport for London, safety, trust and fairness sit at the heart of how we recruit. Our Vetting Charter (https://tfl.gov.uk/corporate/careers/our-vetting-process) explains the checks we carry out before you join us, helping ensure we create a safe, inclusive and reliable network for everyone who depends on our services. We simply ask that the information you provide is honest and accurate so we can progress your application smoothly. If something doesn’t match or can’t be verified, we may not be able to move forward with your application, but we’ll always treat you with transparency, respect, and clear communication throughout.
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