Senior Software Engineer

SpotX·Queens Square, Belfast, BT1 3FG·Salary available on request


About SpotX:

We are a global software company with development offices in Belfast. In Belfast we build out new applications that run on a platform operating at volumes many times higher than stock exchanges. We compete against the world’s biggest tech companies to support Ad Funded businesses. Our customers include many household names in the media and gaming industry.

The role:

SpotX is looking for highly talented and motivated Sr Software Engineer with an interest in back-end development. We are looking for someone who is versatile, methodical, excited by modern technology and enjoys focusing on tackling software challenges. Does that sound like you?

Making an immediate impact:

  • Develop new tools and technologies in the video ad serving space
  • Be part of a cross functional engineering team
  • Assess and continuously improve the development lifecycle
  • Influence the direction of our products and technology choices
  • Build and shape the team culture and working environment

What your day-to-day will look like:

Most of us will start our day with coffee and snacks from the kitchen before catching up with your team at stand-up where you will discuss plans for the day. 

After stand-up, you’ll start working on your projects, you may want to put the headphones on and get stuck in or work through a problem with another team colleague. 

We work hard to keep an open, collaborative atmosphere where no questions, suggestions or ideas are off limits. If you think a darkened room, whiteboard or game of pool or table tennis will help solve your technical challenge that’s cool with us.

Our team employs a range of technologies so you could gain exposure to some or all of the following: Scala, Python, SQL, Cassandra, Druid, Hadoop and Kafka and more.  

Preferred SpotX’er talents:

  • Awesome development and design skills
  • Experience in OO and/or Functional programming languages
  • The desire and ability to continue learning
  • 5+ years experience delivering successfully in an agile environment
  • Demonstrated ability to lead the development of features/components
  • Experience with: Git, SQL

Bonus SpotX’er talents:

  • GitHub account - we like developers who like developing!
  • Experience working at scale and with distributed systems
  • Web scale environments
  • Experience with: Docker, Scala, REST APIs and Linux/Unix
  • Experience mentoring junior developers

SpotX Perks:

  • Company paid social events and treats (e.g. boat trips, bowling, pub quiz, etc)
  • Subsidised Gym Membership
  • Active Social Committee
  • Stocked snack cupboard & beer fridge!
  • Free Friday breakfasts 
  • Weekly Scone and Fruit delivery
  • Great work-life balance and flexibility
  • Great holidays, (25 days plus 10 bank holidays PLUS exceptional extras over Christmas!)
  • Company pension plan and healthcare 
  • Learn in a fun, casual, team environment
  • Amazing office location with panoramic views
  • Free concert viewing from our office overseeing Custom House Square!
  • Games room - ping pong, pool, games consoles

​ ​SpotX Core Values: 

Customer Service, Integrity, Respect, Initiative, Collaboration, Innovation and Adaptability

SpotX is an equal opportunities employer

Learn more at and follow @SpotX on Twitter and LinkedIn.

How to Apply

Please apply through the link above which will take you to our job on our careers page

If you would like more information please feel free to contact me at


Mob: 07951 600001 

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