Mantis is a technology business with a suite of data driven products for both media owners and advertisers - utilising its tech platform and products to help both sides of the digital ecosystem. Mantis prides itself in being at the forefront of innovation and producing the best of the best in AI data driven tools and products for media owners and advertisers. Built by Reach PLC and powered by IBM Watson, Mantis is the most powerful and precise approach to brand safety and contextual advertising available in the market today!

In 2025 we are continuing to grow and scale, and are looking to add ambitious and dynamic talent to our teams to help us achieve our goals.

Reach Plc is the UK’s largest commercial news publisher, home to the UK and Ireland’s most iconic digital platforms, magazines and newspapers, and is ranked 19th in the UK’s top 50 Inclusive Employers for 2023.

What You’ll Be Doing:

As a Junior Programmatic Trader at Mantis, you’ll play a crucial role within our Revenue Operations team, helping to drive the success of all operational and analytical functions. You’ll be responsible for developing and executing programmatic trading strategies across various digital advertising platforms, ensuring the seamless functionality and performance of our programmatic advertising products.

Your day-to-day will involve diving into data to extract actionable insights that influence business decisions. You'll use advanced analytics techniques to analyze datasets related to digital advertising campaigns, audience behavior, and content performance. You’ll also create comprehensive reports and dashboards to communicate key findings to both internal stakeholders and clients. Your work will directly impact the way we optimize campaigns and drive business growth.

You’ll have the opportunity to collaborate closely with various teams to make sure we continue delivering top-tier digital advertising solutions, while ensuring the smooth running of all our operations.

What You’ll Need to Succeed:

To succeed in this role, you’ll need a passion for digital technology, as well as strong analytical skills that will enable you to interpret and understand complex datasets. You should be highly numerate, with the ability to draw insights from data and make informed decisions based on your findings.

You’ll need a solid understanding of the digital advertising ecosystem, including ad-serving, DSPs, SSPs, DMPs, and exchanges. Proficiency in Microsoft Office or Google Suite, especially Excel or Sheets, will be key for working with data effectively. If you’ve had experience using analytical or digital advertising software, that’s a plus!

You should be comfortable working in a fast-paced environment where things are always changing, and you’ll need to thrive in a collaborative team setting, even if some of your colleagues are located elsewhere in the UK. If you’re eager to learn, grow, and play a key role in driving business success, this is the place for you!

This is a hybrid role, with 2-3 days per week required in our Canary Wharf office. If you’re ready to start your career in programmatic campaign management with a dynamic, innovative team, we want to hear from you!

What can we offer you?

We're offering a competitive salary and a range of fantastic benefits to help support you both personally and professionally. These include:

• Help saving for your retirement - join our pension scheme and we’ll match contributions up to 6%
• 25 days’ holiday per year when you join. After three, five and ten years’ service with Reach, you’ll accrue one additional day of annual leave. We also have a Holiday Purchase Scheme
• Giving back day - an additional day’s leave each year to support a cause close to your heart
• Enhanced family leave - including maternity, paternity and adoption - and you’ll be eligible after just six months’ employment
• Private Healthcare Cash Plan - free health cash plan so you can claim back cash for a range of medical expenses
• As one of the UK’s top 50 Inclusive Employers everyone’s invited to join our events, programmes and networks to celebrate diversity and build an environment where all our people can thrive
• Wellbeing support - including a 24/7 employee assistance programme (EAP) for you and your nearest and dearest
• Awesome career opportunities - you’ll have support from your line manager and a range of learning & development programmes
• We are also a member of the 30% Club, a global campaign aimed at increasing gender diversity at board and senior management levels

Reach plc believes diversity brings benefits for our customers, our business and our people. This is why we are committed to being an inclusive employer and encourage applications from all suitable applicants irrespective of background, circumstances, age, disability, gender identity, ethnicity, religion or belief and sexual orientation.