Senior Software Engineer

Company: Webologix Ltd/ INC
Apply for the Senior Software Engineer
Location: Sheffield
Job Description:

We are seeking a highly experienced Senior Software Engineer with strong expertise in Java backend development and hands-on experience with Neo4j Graph Database. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance backend systems and graph-based data solutions. The role requires strong technical leadership, architecture skills, and the ability to collaborate across cross-functional teams.

Key Responsibilities

  • Design, develop, and maintain scalable backend applications using Java technologies.
  • Architect and implement graph-based solutions using Neo4j for complex relationship-driven data models.
  • Develop RESTful APIs and microservices-based applications.
  • Optimize database design, Cypher queries, and graph traversals for performance and scalability.
  • Collaborate with product managers, architects, and engineering teams to translate business requirements into technical solutions.
  • Drive software design reviews, code reviews, and technical discussions.
  • Ensure application security, reliability, availability, and performance.
  • Troubleshoot and resolve production issues, conducting root cause analysis when required.
  • Mentor junior and mid-level engineers and promote engineering best practices.
  • Participate in architecture decisions and contribute to platform roadmap initiatives.
  • Implement CI/CD pipelines and support DevOps practices for seamless deployments.

Required Technical Skills

  • Strong expertise in Java 11/17+
  • Deep understanding of:
  • Spring Boot
  • Spring MVC
  • Spring Security
  • Spring Data
  • Hibernate/JPA

Database & Graph Technologies

  • Strong hands-on experience with Neo4j
  • Cypher Query Language
  • Graph Data Modeling
  • Performance Tuning and Query Optimization
  • Neo4j Clustering and Scalability
  • Graph Algorithms and Relationship Analysis

API & Integration

  • RESTful APIs
  • Messaging technologies such as Kafka or RabbitMQ
  • Docker and Kubernetes
  • Monitoring and logging tools

Development Practices

  • Test-Driven Development (TDD)
  • Unit and Integration Testing
  • Design Patterns

Required Qualifications

  • Bachelor’s or Master’s degree in Computer Science, Engineering, or related discipline.
  • 10+ years of software development experience in enterprise applications.
  • Minimum 3+ years of hands-on experience working with Neo4j or other graph databases.
  • Proven experience building large-scale distributed systems and microservices.
  • Strong understanding of data structures, algorithms, and system design.
  • Excellent problem-solving and analytical skills.
  • Strong written and verbal communication skills.

Preferred Qualifications

  • Experience with Graph Data Science (GDS) library and graph analytics.
  • Experience in knowledge graphs, recommendation engines, fraud detection, or network analysis platforms.
  • Certifications in Java, Cloud Technologies, or Neo4j.
  • Experience working in high-volume, customer-facing platforms.

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Posted: September 29th, 2026