Software Engineer

About Neo4j: Neo4j is the leader in Graph Database & Analytics, helping organizations uncover hidden patterns and relationships across billions of data connections deeply, easily, and quickly. Customers use Neo4j to gain a deeper understanding of their business and reveal new ways of solving their most pressing problems. Over 84% of Fortune 100 companies use Neo4j, along with a vibrant community of 250,000+ developers, data scientists, and architects across the globe.At Neo4j, we're proud to build the technology that powers breakthrough solutions for our customers. These solutions have helped NASA get to Mars two years earlier, broke the Panama Papers for the ICIJ, and are helping Transport for London to cut congestion by 10% and save $750M a year. Some of our other notable customers include Intuit, Lockheed Martin, Novartis, UBS, and Walmart. Neo4j experienced rapid growth this year as organizations looking to deploy generative AI (GenAI) recognized graph databases as essential for improving its accuracy, transparency, and explainability. Growth was further fueled by enterprise demand for Neo4j's cloud offering and partnerships with leading cloud hyperscalers and ecosystem leaders. Learn more at  and follow us on LinkedIn.   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:Do you like to solve advanced and complex computer science problems? We are looking for a backend engineer with a special interest in database indexes and algorithm development who likes to solve technical challenges and deliver high-quality code to join our newly formed Index team You will be part of a brilliant, energetic, and fun team of engineers working on building core functionality for the graph database.You will be part of an international team based in Malmö, Sweden, and London, UK.What you will do:Build and ship features related to index, constraint and schemaEvolve vector search capabilities to support graph, similarity search and Gen AI use casesDesign and optimise the indexing subsystem to support complex graph queries and a variety of workloadsWrite high-quality, testable, and efficient codeWork with real-world scale and performance challengesWork together with our product managers to help set the roadmap for the work in the index area going forward. Promote new ideas, take an active part in feature discussions and roadmap prioritizationIntegrate research and technologies into the database core"Do what you want days" to work on your own product enhancements and integrationsYou'll thrive in this role if:You have an interest in how indexes in databases workYou are proficient in algorithm development in general.You are proficient in Java or a C-style programming languageYou are humble. Being able to discuss ideas and challenge each other to build better solutions togetherYou have good communication skills and a sense of humourYou may also have experience and interest in the following:LuceneMulti-threaded systemsPerformance profiling and optimisationDatabase management systemsLarge codebases#LI-Hybrid Why Join Neo4j? Neo4j is, without question, the most popular graph database in the world. We have customers in every industry globally, 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. It recently surpassed $200M in annual recurring revenue (ARR), doubling its ARR over the past three years. Raised the biggest funding round in database history ($325M Series F). Backed by world-class investors like Eurazeo, GV (formerly Google Ventures), and Inovia Capital, Neo4j has raised over $600M in funding and is currently valued at over $2Bn. This puts Neo4j among the most well-funded database companies in history.84% of the Fortune 100 and 58% of the Fortune 500 use Neo4j. Examples include Boston Scientific, BT Group, Caterpillar, Cisco, Comcast, Department for Education UK, eBay, NBC News, Novo Nordisk, Worldline, and others. Co-founder and CEO Emil Eifrem has built an amazing culture that prides itself on relationships, inclusiveness, innovation, and customer success.Countless industry awards. Massive enterprises and individual developers/data scientists love Neo4j. A strong sense of community and ecosystem is built around the platform.A recent Forrester Total Economic Impact Study cited Neo4j as delivering 417% ROI to customers. Neo4j was named as a Visionary in the 2023 Gartner Magic Quadrant for Cloud Database Management Systems among 19 other recognized global DBMS vendors. Neo4j was also ranked as a Strong Performer among 14 top vendors in The Forrester Wave: Vector Databases, Q3 2024.Research shows that members of underrepresented communities are less likely to apply for jobs when they don't meet all the qualifications. If this is part of the reason you hesitate to apply, we'd encourage you to reconsider and give us the opportunity to review your application. At Neo4j, we are committed to building awareness and helping to improve these issues. 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. We look forward to receiving your application. 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)-[:VALUE]->(relationships)(we)-[:FOCUS_ON]->(userSuccess)(we)-[:THRIVE_IN]->(:Culture {type: ['Open', 'Inclusive']})(we)-[:ASSUME]->(:Intent {direction:'Positive'})(we)-[:WELCOME]->(:Discussions {nature: 'IntellectuallyHonest'})(we)-[:DELIVER_ON]->(ourCommitments) 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. More information