Tech Lead, Backend

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🌐 United Kingdom, Czechia, +1 more countries – Remote

🇬🇧 United Kingdom – Remote 🇨🇿 Czechia – Remote 🇮🇹 Italy – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

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👻 Ghost score 10%

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Neo4j

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2007

☁️ SaaS

🤖 Artificial Intelligence

🏢 Enterprise

SaaS • Artificial Intelligence • Enterprise

Neo4j is a leading company that provides graph database technology, enabling organizations to connect and analyze vast amounts of data through its platform. As the creators of the Neo4j Graph Database and the Cypher query language, they offer solutions like Neo4j AuraDB and Neo4j Graph Data Science to help businesses deploy graph applications efficiently, whether self-managed or fully-managed. Their tools are designed for developers and data scientists to easily build and visualize graph-based applications, improving data relationships and insights. Neo4j supports various use cases, including fraud detection, knowledge graphs, and financial services, and is widely adopted by the developer and data science communities globally. With educational resources like GraphAcademy, they also support a large and growing global community of graph technology experts.

📋 Description

• Own core parts of the platform layer of GraphAware Hume, a graph-powered analytics platform • Provide technical guidance on graph architecture across the organisation • Anticipate product-level issues before they surface • Track, test, and evaluate new Neo4j features and ecosystem tooling against real workloads • Identify product opportunities and plan scalable Neo4j migrations • Drive architecture for modelling, querying, and scaling knowledge graphs • Set technical direction for transversal platform foundations and cross-cutting design decisions • Optimize Cypher queries and graph access patterns for latency, throughput, and scale • Mentor engineers and raise the team’s technical bar without formal management authority • Partner with Product Managers to translate product goals into scalable technical roadmaps • Design secure, scalable access-control systems for mission-critical environments • Build APIs for intuitive interaction with complex data • Orchestrate workflows automating graph analytics, inference, and real-time insights

🎯 Requirements

• Deep, hands-on Neo4j expertise, including advanced Cypher query performance optimization, profiling, and familiarity with GDS, APOC, and drivers • Experience modelling real domains as property graphs • Track record of leading architecture and technical direction for a team or product area • Proven ability to drive consensus across engineering teams for large-scale architectural changes • 8+ years of backend systems experience • Fluency in Java or a strong JVM background transferable to a Java codebase • Knowledge of Clean Architecture, Domain-Driven Design (DDD), and Test-Driven Development (TDD) • Advanced debugging and profiling techniques • Ability to write composable, maintainable, and testable code • Experience with Spring or similar frameworks for secure, modular, and scalable APIs • Working knowledge of CI/CD pipelines, Docker, and automated deployment workflows • Practical knowledge of secure software design and common vulnerabilities such as OWASP • Comfort with remote team collaboration and asynchronous communication • Role is aimed at candidates in the UK, Czechia, or Italy • Bonus familiarity with PostgreSQL, knowledge graphs, GraphRAG, LangChain, LlamaIndex, graph algorithms, Kafka, distributed systems, schema refactoring, migrations, versioning, observability, and performance tuning

🏖️ Benefits

• Opportunity to build real-world intelligence systems that help law enforcement and analysts save lives and protect communities • Work with innovative technologies including knowledge graphs, workflow engines, LLMs, and graph-native UIs • Contribute to product direction and technical vision alongside a senior engineering team • True autonomy from ideation to deployment • Collaboration with a world-class team across Europe and beyond • Growth in a non-micromanaged, excellence-driven environment • Inclusive, diverse, and equitable workplace • Career-defining development experience