Software Engineer - Language Tooling
Company
Location
London Area, United Kingdom
Posted At
8/7/2025
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Description
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 it’s 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 neo4j.com 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 Team
The language support for Neo4j's query language, Cypher, is used by thousands of developers daily across VS Code, Neo4j Browser, and other editors, providing intelligent autocompletion, syntax validation, formatting, and semantic analysis. We're seeking an ambitious engineer to join our team to help us advance the future of graph database developer experiences.
Our aim in the Developer Tools team is to build developer tooling that can help our users be successful in their work with Neo4j. As a member of our small team, you will have the opportunity to contribute to the planning process and we expect you to translate these ideas into high-quality software.
For example, this year we focused on things like version-specific linting that automatically adapts to different Neo4j server versions, advanced code formatting, and enhancing our transpiled semantic analysis to provide symbol tables. Most of our work is open source and available on our [GitHub repository].
The Role
We expect you to be proficient in TypeScript and have experience with language tooling concepts like parsers, ASTs, and code analysis.
Experience With These Technology Areas Is a Plus
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 it’s 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 neo4j.com 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 Team
The language support for Neo4j's query language, Cypher, is used by thousands of developers daily across VS Code, Neo4j Browser, and other editors, providing intelligent autocompletion, syntax validation, formatting, and semantic analysis. We're seeking an ambitious engineer to join our team to help us advance the future of graph database developer experiences.
Our aim in the Developer Tools team is to build developer tooling that can help our users be successful in their work with Neo4j. As a member of our small team, you will have the opportunity to contribute to the planning process and we expect you to translate these ideas into high-quality software.
For example, this year we focused on things like version-specific linting that automatically adapts to different Neo4j server versions, advanced code formatting, and enhancing our transpiled semantic analysis to provide symbol tables. Most of our work is open source and available on our [GitHub repository].
The Role
We expect you to be proficient in TypeScript and have experience with language tooling concepts like parsers, ASTs, and code analysis.
Experience With These Technology Areas Is a Plus
- Parser generation (ANTLR4)
- Extension development (VS Code, IntelliJ)
- JVM to JavaScript tooling (TeaVM)
- Monorepo management (pnpm)
- Web code editors (CodeMirror 6, React)
- Continuous integration (GitHub Actions)
- Language Server Protocol
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