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Software Engineer - Cypher Composite



Software Engineering
Malmö, Sweden
Posted on Friday, September 22, 2023
About Neo4j:

Neo4j is the world’s leading graph data platform, and is one of the 20 most popular databases in the world, and the leader in the rapidly emerging Graph Database category. We’re building the technology that enables connected data to solve the world’s most pressing problems.

In fact, 75% of the world’s Fortune 100 companies use Neo4j for their mission critical applications. We’re building the technology that enables connected data to solve the world’s most pressing problems, such as helping to cure cancers, address diabetes, and get humans to Mars. We're proud to fight fraud, crush pandemics, and even help journalists uncover the truth.

Find out more at and follow us at @Neo4j.
Our Vision:

At Neo4j, we have always strived to help the world make sense of data.

As business, society and knowledge become increasingly connected, our technology promotes innovation by helping organizations to find and understand data relationships. We created, drive and lead the graph database category, and we’re disrupting how organizations leverage their data to innovate and stay competitive.

The Role:

We are looking for a software engineer to join the Neo4j Cypher Composite Engineering Team. Cypher Composite is the
technology behind distributed query execution in the Neo4j Database Management System. Distributed query execution is a complex and interesting topic, involving query language design and implementation, as well as performant networking and concurrency.

As part of an energetic and fun team of engineers you will be working at the frontier of designing and implementing new capabilities for the Neo4j database. The amount of data handled by our customers is ever growing, and distributed query execution is more important than ever.

What The Work Is Like:

  • Designing and implementing features in different parts of the database stack, from the Cypher language implementation down to cluster networking. We have a development process focused on taking time to achieve quality and correctness. However, there is plenty of room for pragmatism and fast paced problem solving
  • Out methodology involves daily stand-ups, frequent pair programming, design meetings and retrospectives
  • Apart from coding features, we also track down both easy and tough bugs, fix downstream test failures, document features, participate in cross-team design meetings, and study the latest in database research
  • You will also spend time learning, thinking and experimenting. Specializing in topics that interest you and helping to grow yourself, the team and the product

What You Will Bring:

  • Experience developing production level software
  • Knowledge of Java, Scala or similar languages
  • Ability to work independently within a flexible software development organization
  • Ability to communicate about, and collaborate on, complex topics

Nice to Bring:

  • Understanding of the internals of databases, compilers or query languages
  • Experience with asynchronous and reactive programming
  • Experience of distributed systems though usage, administration or development
  • An interest in recent distributed systems developments (academic or industrial)
Why Join Neo4j?

Neo4j is, without question, the most popular graph database in the world. We have customers in every industry across the globe, and our products are a proven product/market fit. Joining our team is an opportunity to shape the future of data and analytics. Below are just a few exciting facts about Neo4j.

  • Neo4j is one of the fastest scaling technology companies in this industry. Well over $100M ARR and still rapidly growing.
  • Raised biggest round of funding in all of database history ($325M Series F).
  • Backed by world class investors like Google Ventures (GV), Neo4j has raised over $582M in funding and is currently valued at $2Bn. This puts them among the most well-funded database companies in history.
  • 75% of Fortune 100 use Neo4j with more than 800 enterprise customers including Comcast, eBay, Adobe, Lyft, UBS, IBM, Volvo Cars and many more.
  • Emil Eifrem (CEO) has built an amazing culture that prides itself on relationships, inclusiveness, innovation and customer success.
  • Countless awards in the industry. Massive Enterprises and individual developers/ data scientists love Neo4j. Strong sense of community and ecosystem is built around the platform.
  • A recent Forrester Total Economic Impact Study pegged Neo4j as delivering 417% ROI to customers.

We encourage you to apply even if you don’t 100% fit the qualifications above. Why? Because we are committed to building an environment that fosters belonging, which means valuing intellectually honest discussions and being receptive to new ideas and perspectives.

One of our central objectives is to provide an inclusive, diverse, and equitable workplace for everyone to develop their potential and have a positive, career-defining experience.

Neo4j Values:

Neo4j is a Silicon Valley company with a Swedish soul. We foster collaboration and each of us is empowered to contribute and put our innovative stamp on projects. We hire candidates who reflect the following Neo4j core values:

(we)-[:THRIVE_IN]->(:Culture {type: [‘Open’, ‘Inclusive’})
(we)-[:ASSUME]->(:Intent {direction:’Positive’})
(we)-[:WELCOME]->(:Discussions {nature: ‘IntellectuallyHonest’})

Neo4j is committed to protecting and respecting your privacy. Please read the privacy notice regarding Neo4j's recruitment process to understand how we will handle the personal data that you provide.

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