Senior Java Developer - FIX Connectivity (FinTech)

IO Tech Solutions Limited; Hong Kong; On-site; HKD 900,000 - 1,500,000; Full time

Job summary

IO Tech Solutions Limited seeks a Senior Java Developer to architect and build high-performance FIX connectivity solutions in a FinTech setting. You will collaborate with product and operations teams, driving new features from concept to deployment.

The role emphasizes event-driven architectures, RESTful APIs, and microservices, with strong focus on automated testing and robust DevOps practices in a fast-paced environment.

Qualifications

• 7+ years building enterprise Java services, 5+ years with Spring Framework.
• Experience with message queues and event-driven systems (ActiveMQ, RabbitMQ, Kafka).
• RESTful API design using OpenAPI/Swagger and microservices.
• Practical FIX protocol knowledge or experience is a plus.
• Strong automated testing within Agile environments.
• Proficient in Git, Jenkins, Docker, Nexus; familiar with Kubernetes.

Responsibilities

• Architect and develop robust, scalable software per client standards.
• Collaborate with product teams to design and deliver features.
• Work in Agile DevOps to deploy releases and adhere to release processes.
• Monitor production systems to troubleshoot and resolve performance bottlenecks.

Skills

Java & Spring Expertise

Event-Driven Architecture

API Development

Microservices

FIX Protocol

Agile Testing

CI/CD & DevOps

Design Patterns & EIP

Problem Solving

Communication

Execution

Docker & Kubernetes

Tools

ActiveMQ

RabbitMQ

Kafka

OpenAPI/Swagger

Git

Jenkins

Nexus

Docker

Kubernetes

Job description

Senior Java Developer - FIX Connectivity (FinTech)

As a Senior Java Engineer, you will design, build, and maintain high-performance software systems aligned with enterprise standards. You will collaborate closely with product and operations teams in a fast-paced Agile and DevOps environment, ensuring the seamless delivery and proactive monitoring of new software features.

Key Responsibilities

• Architecture & Development: Architect and develop robust, scalable software solutions according to client standards and architectural guidelines.
• Product Collaboration: Partner closely with the product team to design, refine, and deliver impactful new features.
• DevOps & Deployment: Work within an Agile framework to deploy new software releases seamlessly, adhering strictly torelease processes.
• System Monitoring: Assist in monitoring production systems to proactively identify, troubleshoot, and resolve performance bottlenecks.

Critical Technical Skills

• Java & Spring Expertise: 7+ years of experience building enterprise-grade Java services, with at least 5+ years dedicated to the Spring Framework.
• Event-Driven Architecture: Solid experience implementing message queues and event-driven systems, specifically using ActiveMQ, RabbitMQ, or Kafka.
• API Development: Extensive experience designing and developing RESTful services, with strong proficiency in OpenAPI and Swagger.
• Microservices: Proven hands-on experience designing and deploying microservices architectures.
• Domain Knowledge: Practical knowledge or direct experience working with the FIX protocol.
• Agile Testing: Deep understanding of automated testing best practices within an Agile development lifecycle.
• CI/CD & DevOps: Strong grasp of SDLC best practices using Git, Jenkins, Continuous Integration, Docker, Nexus, and Kubernetes.
• Design Frameworks: Advanced knowledge of software design patterns and enterprise integration patterns (EIP).
• Problem Solving: Strong analytical, troubleshooting, and organizational skills.
• Communication: Excellent interpersonal skills with the ability to collaborate across cross-functional teams.
• Execution: Proven ability to commit to strict deadlines and deliver high-quality results under pressure.

EnvironmentPerformanceFinTechSpringConnectivityAPIContinuous IntegrationSpring FrameworkDevelopmentSDLCDesign PatternsRabbitMQKafkaCollaborationOperationsFeaturesCI/CDOrganizational SkillsMicroservicesArchitectureDevOpsAgileInterpersonal SkillsIntegrationKubernetesJenkinsPressureTroubleshootingDockerSoftwareTestingProblem SolvingGitDesignJavaCommunication