• Full Time
  • Anywhere

Your Impact:

You will be a critical member of our Digital team who will work alongside our world class engineering experts to build and run a huge range of products that codify engineering knowledge and really make a difference to the world.

Our software has been used to design major infrastructure projects, manage the most complex networks (such as water supply and treatment), drive critical engineering workflows and beyond. This is a genuinely exciting opportunity for the right candidate.

Your Impact

We’re passionate about building software that solves problems. In Jacobs we’re proud to solve problems that matter to society, from helping NASA go to Mars to delivering tomorrow’s infrastructure, smart cities and beyond.

You will be a part of Jacobs Digital who exist alongside an extensive portfolio of projects working with major clients across all sectors; an exciting boutique working in new ways with the support of wider Jacobs.

Digital is responsible for incubating, building and running new products and solutions for our customers – meaning you are joining a team of fast-moving problem solvers working on varied and interesting challenges. Our products range from established software to nascent ideas sparking into life; leveraging Lean Start-up to rapidly invest and incubate new products. We are a diverse team of technical experts from a range of backgrounds; you don’t need to come from an engineering background to succeed here.
The team is currently experiencing unprecedented growth and success. We are looking for a Principal Developer to join and help steer our exciting journey.

Role Description
Principal Developer is a senior role within the software development team, reporting directly to the Divisional Director for software development. You are an expert who will lead one or more of our products from a technical perspective working with a squad(s) of capable developers, data scientists, designers and beyond.

You will be a technical leader continuously striving to drive best practice and embody digital cultures such as Agile and Lean Start-up.
The successful applicant will become a senior part of a respected and hardworking team, providing support to clients and other team members alike. We will look to you to assess new ideas and help other products transition through the development lifecycle from alpha, through beta to live. Whilst the role is in the Development team the successful candidate will also work closely with the Data Analytics, Sales and Operations teams, gaining good knowledge and experience across a number of different skills. Applicants should be keen, hardworking and have excellent technical skills and background. There are significant advancement and leadership progression opportunities.

What we’re Offering

This is a real greenfield development opportunity; you’ll be working on triaging ‘new stuff’, as well as leading the implementation of new systems in a number of really critical areas. This work will be delivered in an agile manner, working with multi-disciplinary teams and across a variety of business areas. As a Principal Developer you’ll take ownership over the products, features and services your team looks after, being curious at heart with a desire to make things better. You’ll prioritise the focus on being one team with a passion for nurturing, coaching and sharing your knowledge with others whilst ensuring high quality code is delivered in line with project goals and delivery cycles and thrive using agile methods.


  • Design and development of new technical solutions for our products
  • Developing, maintaining and supporting our existing SaaS applications
  • Driving best practice in development ways of working such as agile
  • Working with varied stakeholders to draw out opportunities and generate new ideas; working autonomously to shape problems and solutions from a technical perspective
  • Supporting and mentoring junior team members
  • Here’s What You’ll Need:

  • 5+ years proven professional experience with / C#
  • Advanced/expert experience of T-SQL / SQL Server
  • Advanced practical HTML, JavaScript, JQuery, CSS, Responsive UI design
  • Able to work under pressure and to tight deadlines
  • Communicating and liaising effectively with colleagues, driving best practice implementation around agile and beyond
  • Flexible and able to adapt to new languages and technologies
  • Excellent communication and teamwork skills
  • Exemplary focus, ambition and attention to detail
  • Analytical mind who can bring clarity to difficult situations
  • Have initiative and the ability to work autonomously
  • Why Jacobs?

    We clear the way for inventive thinking so you have the support, means and space to deliver the boldest solutions for the extraordinary and every day. Jacobs. A world where you can.

    We clear the way for inventive thinking, so you have the support, means and space to deliver the boldest solutions for the extraordinary and every day. Jacobs. A world where you can. 

    Our Culture

    We’re invested in you and your success. Our values stand on a foundation of safety, integrity, inclusion and diversity. We put people at the heart of our business and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

    We aim to make inclusion and diversity core attributes of our identity, embedded in all our employment and business practices in all locations. We know that if we are inclusive, we’re more connected, and if we are diverse, we’re more creative.

    Jacobs partners with VERCIDA to help us attract and retain diverse talent. For greater online accessibility please visit to view and access our roles

    As a Disability Confident employer, we will interview all disabled applicants who meet the minimum criteria for a vacancy. We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

    If you have any queries regarding the application process, please contact the team here.


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