Senior Software Engineer (Java/Backend)

We are looking for brilliant, creative, curious, and experienced Java backend software
engineers to join our applications team. This team delivers internal and customer-facing
applications to manage complex ad campaigns and to provide deep reporting, analytics, and data visualisation capabilities sourced from big data and machine learning technologies. They also help with a range of other offline and online projects, from our proprietary algorithms and systems for location data processing to integrations with third-party technologies to bring in additional data and decision capabilities. As a tech-first product company, this team works on things that are visible and matter to customers and the business!

Software engineers at Blis are more than just programmers - they’re people who are
builders, designers, and problem solvers at heart, people with a passion to make things
better. You will help innovate and design new features and products, work with the team to build them, and support and grow them after they’re live. We discuss ‘why’ as much as
‘what’ and ‘how’ in our planning meetings because we want you to see and help shape our future.

The Candidate needs to be based in Scotland

The Role:

• Innovate, implement, support, and iterate on our backend application systems,
  infrastructure, and code
• Write and improve robust and highly maintainable Java code
• Ensure our designs and systems are highly available, resilient, and secure
• Support and mentor other members of the team
• Commitment to Blis' Inclusion initiatives & 5 step sustainability plan

Required Knowledge:

● Java and the Spring Framework
● RESTful API and web-serving concepts
● Relational and non-relational database concepts
● Data structures and algorithms at scale
● Server-side Linux use and administration
● Cloud infrastructure concepts and utilisation
● Engineering design principles and when to go fast and when to go slow

Desired Knowledge:

● Devops topics including CI/CD, Jenkins, Docker, Kubernetes, Prometheus & Grafana
● Machine learning algorithms and how to implement them in
● Prior work within adtech or martech.

Expected Background:
● 5+ years experience building and architecting complex, customer-centric web and
offline applications
● Degree in Computer Science, Software Engineering, or similar
Key Technologies We Use (not necessarily required for the role):
● Google Cloud, Google Cloud Composer, BigQuery, Spark, Solr, Elasticsearch, Druid,
PostgreSQL, ScyllaDB, Redis, Kafka, Flink, Docker, Kubernetes, Kibana, Jenkins,
Prometheus, Grafana, Github, Java, Spring, Python, Scala, Javascript, AngularJS,
ReactJS

About US

Blis is the leading privacy-first, location-powered programmatic advertising partner. We deliver accurate targeting at scale without reliance on personal data, helping the world’s largest brands and media agencies drive key business outcomes through personalised and high-performing digital advertising.

Blis uses real-world and online data, as well as behaviour and lifestyle indicators, to profile and understand audiences better than anyone else. Using a global planning and measurement panel of 1.5 billion consented devices and taking an aggregated and anonymous approach to audience targeting, Blis reaches precise audiences at scale without reliance on personal data.

Established in the UK in 2004, Blis now operates in more than 40 offices across five continents. Working with the world’s largest and most customer-driven companies across all verticals including Unilever, Samsung, McDonald's, HSBC, Mercedes Benz and Peugeot, as well as every major media agency, Blis reaches over a billion mobile devices a year.

Our values

Brave

We're leaders not followers

An innovation and growth mindset helps us solve everyday challenges and achieve breakthroughs. Our passion drives
us to innovate. We don’t see barriers, just possibilities.
We take ownership and hold ourselves accountable for outcomes, good and bad – and we don’t pass the buck.

Love Our Clients

We're client obsessed

We do what we say and build trusted relationships with our partners for the long term.
We act with integrity. We put our clients at the centre of our business. We obsess over the best insights, ideas and solutions to deliver WOW and work with honesty and accountability to get it done.

Inclusive

We're one team

We are empathetic and embrace diversity. Everyone has a voice and can bring their authentic self to work.
We care about and support each other – with humility and good humour. Mutual respect and wellbeing are key. We strive to eliminate bias and be open and transparent.

Solutions Driven

We're action oriented

Speed matters in business, so we're solution-driven and action-oriented. We value simplification and calculated risk taking.
We are lean, agile and resourceful self-starters. We collaborate and break silos, working thoughtfully and with urgency to solve problems, while learning from mistakes and celebrating wins.