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Senior Software Engineer


London, GB


Last.fm tracks users’ listening habits on hundreds of streaming platforms and provides in-depth insights about their listening, identifies top tracks and artists, rates how mainstream they are and then uses that data to make hyper-personalised music recommendations. For over 15 years we have been the world’s premier music recommendation engine, powering listening for both our users and our partners alike. Our deep, global knowledge of music extends from the top 100 to the most obscure bands in the world, all from our London HQ. Last.fm - Your Music Counts.

What is the role:

  • You’ll be joining 10 talented developers on the Last.fm software engineering team, which is responsible for building and maintaining the Last.fm website and all of the services and jobs which power it.
  • You will be responsible for crafting, building and maintaining reliable systems at web scale to manipulate and derive insights from our large, unique music listening datasets
  • You will use Spark, Dataproc and other technologies to apply insights about music gathered from a variety of sources, including data gathered from our users, to help us improve our platform
  • Using Java and Python, you will help us to build and maintain a variety of services which underpin Last.fm’s website, API, apps and Scrobbling infrastructure.
  • You will work closely with other developers and product managers and be encouraged to influence the development of the product by providing input into the architecture of the software and our data pipelines we build.
  • You will be responsible for helping to maintain a development path that keeps us true to our principles and ensuring we scope, define and deliver a product which provides a dependable and consistently good experience for end-users and partners.
  • You will apply your own experience from past roles in areas such as data generation to help us develop techniques and methods which improve the quality of these systems.

Upcoming Key Projects:

  • Improving foundational technologies such as our music catalogue and catalogue of users’ music listening histories
  • Reducing the time taken for newly released music to be coordinated into our catalogue
  • Identifying and correlating the many variations of songs and albums so that they contribute to a unified, coherent, stable and reliable dataset
  • Identifying new ways to infer correlations between messy user generated content and the ordered, structured catalogue of music that exists in the world
  • Identifying hidden trends in our data such as up-and-coming artists or genres
  • Rolling out new data insights and visualisations for personalised listening reports
  • Developing new technology solutions to enable users to delve into their listening history
  • Real-time listening and trending stats for artists and individual tracks


What skills do you need:

  • Experience working with data ingestion pipelines
  • Experience with software engineering best practices ( Git, CI/CD, Unit Testing )
  • Experience crafting solutions with distributed systems
  • Years of experience with Java and/or Python in an Agile team
  • Computer Science degree level knowledge of Algorithms, Data Structures.
  • Whether you are a leader or hope to one day be, you will be a change maker by challenging the status quo, Lead with passion and purpose Drive collaboration and Lead with openness to individual differences and diverse perspectives.




What are our benefits
As well as being supported with your career goals Permanent and Fixed Term Contract employees will be entitled to:

  • Private Medical Insurance after completing 3 months of employment
  • Season Ticket Loan
  • Cycle to work scheme
  • TV Package Discount
  • Contributory Pension Scheme
  • Discounted Gym Membership
  • Discounts for Local Shops and Restaurants and Access to Reward Gateway
  • We are happy to talk about flexible working


Our Values:
Our values are intertwined and work together to drive the business outcomes we seek, and once combined we believe these will power our company forward.
•    Optimism & Determination : We share a positive belief that we can navigate and thrive in the landscape ahead
•    Inclusivity & Collaboration :We Embrace new and divers voices, act with care and work together to capture opportunities and manager through challenges 
•    Agility & Adaptability : We think entrepreneurially, are resilient in change and move quickly to anticipate and create what’s next


ViacomCBS is an equal opportunity employer.

At ViacomCBS, the spirit of inclusion feeds into everything that we do, on-screen and off. From the programming and movies we create to employee benefits/programs and social impact outreach initiatives, we believe that opportunity, access, resources and rewards should be available to and for the benefit of all. We work hard to ensure that everyone with whom we engage receive equal protection from all types of harm or abuse, regardless of age, disability, gender, racial heritage, religious belief, sexual orientation or identity; an obligation we take very seriously. 


We are proud to be a Disability Confident Employer, and we take our responsibility in safeguarding children and adults seriously. We guarantee to interview all disabled applicants who meet the minimum criteria of the role applied for. For those who will be required to interact with children, we will carry out background checks prior to joining. 

Should you need any support during the recruitment process, please advise your recruiter or email UK.recruitment@vimn.com where we will support your request as suitably possible. Additionally, if you have a disability or a long-term condition (including hidden conditions such as mental health, autism, dyslexia, etc), our amazing partner Evenbreak can provide additional help and advice. Find out more at https://hive.evenbreak.co.uk

ViacomCBS believes in creating environments that allow our primary focus to remain on providing entertainment, education and information to our millions of viewers around the world. As part of this commitment to health and safety, ViacomCBS requires COVID-19 vaccines for current U.S. employees, including all newly hired employees, subject to applicable law. Union employees are subject to what is outlined in their applicable collective bargaining agreement.