3D Repo

Join our award-winning team and disrupt the global technology space!

C# Software Engineer

Position: Full-time
Location: London, UK
Salary: Competitive (dependent on experience) + equity + pension

3D Repo is looking for a highly motivated C# Software Engineer to join our award winning team. Our ideal candidate will have at least three years of industry experience developing commercial C# software and understands what it takes to create production ready software.

The role is primarily contributing to a full life cycle development of our Plugins to CAD software, using C#/.NET technology framework. The products you create will provide a well designed UI interface for users to link up their CAD software with 3D Repo RESTful APIs; facilitating a seamless integration between different products.

This is an opportunity to be a valued member of a small development team working in an Agile environment, where what you say and do matters.


  • Contribute to development in C#
  • Participation in creating UI/UX designs
  • Supporting any customer requests/troubleshooting
  • Creating well designed UI in WPF
  • Participating in peer code review
  • Work collaboratively with other members of SCRUM team


  • Developing a platform utilised by the AEC industries biggest companies and high profile projects
  • Opportunity to revolutionise the construction industry
  • Opportunity to learn new skills and be involved in developing other parts of the system (ReactJS/NodeJS/C++/MongoDB)
  • Technical training and personal development opportunities available


  • Comfortable to work both independently and collaboratively
  • Strong knowledge in software engineering
  • At least 3 years of industry experience in an OOP language
  • Competent with C#, WPF, .NET framework
  • Familiar with creating clients for RESTful APIs
  • Understands the concept of concurrency/threading in C#

Bonus skills

  • Knowledge in 3D graphics
  • Strong skills in mathematics
  • Experienced with Unity
  • Experience in creating UX designs/wireframes
  • Experience in developing software utilising CAD/ BIM software APIs
  • Experience with MERN stack

UI/UX Designer

Position: Full-time
Location: London, UK
Salary: Competitive (dependent on experience) + equity + pension

3D Repo is looking for a highly motivated and talented UI/UX Designer to join our award-winning start-up team. We’re looking for someone with an eye for detail, excellent graphic design skills and the ability to design modern and efficient user experiences. Our ideal candidate will be skilled in Material Design, A/B testing but also capable of creating coherent company branding and web presence. We expect our Designer to always think of customers first and pro-actively search for customer feedback to ensure the product meets the user requirements.

The company is scaling from 8 to 16 employees over the next 12 months and therefore you’ll be joining at an important stage of the journey bridging the gap between design and software. The product is already proven and in use by some of the most prestigious clients worldwide. Thus, what we need is to improve user experience, polish the interface and deliver great and easy to use product to our growing user base worldwide. You can sign-up and test it for yourself at: https://www.3drepo.io/sign-up

Applicants may be asked to provide a portfolio of previous work, as well as mock-ups for how they would re-design 3D Repo.io


  • Collaborate with stakeholders to create strategic designs and user-experience decisions for new functionalities and features;
  • Evaluate the state of the current product and suggest improvements to the existing user experience and user interface;
  • Analyse competing products to understand their approach to similar features
  • Take a user-centric design approach and device meaningful usability tests;
  • Translate concepts into user flows, wireframes, mock-ups and prototypes that lead to intuitive user experiences;
  • Work closely with developers to turn designs into practical solutions.


  • Develop and improve a platform utilised by the construction industry’s biggest companies and high-profile projects;
  • Revolutionise how large infrastructure schemes such as Crossrail and HS2 are delivered;
  • Work closely with developers and clients to turn ideas into solutions;
  • Technical training and personal development.


  • 2 years+ of UX/UI design experience for software, web application, or mobile devices;
  • Good understanding of UX/UI design best practices;
  • Knowledge of UX processes and their role in website design;
  • Competent in standard prototyping software;
  • Experienced in using image editing software to create bespoke graphical images;
  • Excellent communication skills;
  • Confident in conducting user research to generate meaningful output towards your designs;
  • Pride in your work, with a keen eye for detail.

Bonus skills

  • Photo & video editing experience;
  • Experience in MarvelApp, Adobe XD;
  • HTML5, CSS3, and JavaScript;
  • Understanding of common software development practices including GitHub;
  • Familiar with Material Design.

About 3D Repo Ltd

3D Repo is a multi-award winning spin-off from Virtual Environments, Imaging and Visualisation at University College London backed by Sussex Place Ventures, a £30m VC fund fully owned by London Business School. The team has developed a cutting-edge SaaS platform, blurring the boundaries between 2D GIS and 3D BIM online. Instead of architects, consultants and contractors sharing massive proprietary files in a costly and time consuming manner, they can simply point their web browser to an encrypted online repository in order to examine all project stages virtually in 3D, even on mobile devices. Over the past 2 years, 3D Repo worked on several prestigious projects with blue chip companies such as ARUP, Balfour Beatty, British Telecom, Costain, Crossrail, Highways England, HP and SAP among others. 3D Repo has been named one of Top 20 UK Tech Innovators by Growth Business.

In 2014, 3D Repo won the MongoDB World Innovation Award, the UCL Bright Ideas Award and the Breakthrough Information Technology Exchange Award. In 2015, 3D Repo won Cognicity Challenge by Canary Wharf Group as well as Innovate UK, Horizon2020 and EIT Digital grants. In 2016, 3D Repo was shortlisted for the Best Investment in Disruptive Tech 2016 Awards by the UK Business Angels Association and won Highly Commended prize in the worldwide Information Technology Awards by the Institution of Engineering and Technology (IET). In 2017, 3D Repo won the Premier Award in Digital Innovation by the Chartered Institute of Building and was shortlisted for the British Construction Industry Awards in the Product Innovation category.


London, United Kingdom


8 full-time employees

Working Hours

Flexible working with core hours
between 11am and 4pm