Senior Software Engineer (Java/GraphQL)

TL;DR

Senior Software Engineer (Java/GraphQL): Building and enhancing agentic data platforms and search systems with an accent on graph-based query design, API performance, and scalable backend architecture. Focus on integrating complex knowledge graphs, optimizing distributed systems, and ensuring high reliability for scientific discovery tools.

Location: London, UK or Amsterdam, Netherlands (Radarweg).

Salary: €86,900 - €144,600 (if performed in Amsterdam).

Company

hirify.global is a global leader in information and analytics, combining vast datasets with innovative technology to advance science and improve health outcomes.

What you will do

• Design and implement graph-based search services to power intelligent discovery systems.
• Develop robust applications using Java, Spring Boot, and GraphQL Federation.
• Integrate with AWS services including DynamoDB, RDS, S3, and Kinesis for data pipelines.
• Champion clean code, SOLID principles, and engineering best practices across the team.
• Collaborate with product managers to deliver advanced search and recommendation features.
• Ensure system reliability through proactive monitoring and logging with New Relic and Coralogix.

Requirements

• 4+ years of professional software engineering experience in distributed systems or search platforms.
• Strong expertise in Java and the Spring Boot ecosystem.
• Hands-on experience with GraphQL and REST API design.
• Solid background in cloud-native architectures using AWS and Kubernetes.
• Proven track record of building scalable backend systems and APIs.
• Collaborative mindset with a focus on delivering business value.

Nice to have

• Experience with Apollo Router or advanced GraphQL federation strategies.
• Background in data modelling for graph-based systems.
• Familiarity with search platforms or AI-driven discovery systems.
• Experience working in high-throughput, distributed systems.

Culture & Benefits

• Flexible working hours to support work-life balance.
• Comprehensive pension plan and generous vacation entitlement.
• Support for family care with maternity, paternity, and adoption leave.
• Personal choice budget and internal community networks.
• Employee Assistance Program and various employee discounts.