Senior Java Engineer

Jms Technical Solutions

• $130K — $135K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of hands-on experience in Java (8+/11+/17+) and backend development.
  • Expertise in Spring Boot / Spring Framework for microservices.
  • Proficient in designing and consuming RESTful APIs.
  • Solid understanding of distributed systems and system design principles.
  • Experience with data-intensive applications and backend services for data pipelines.
  • Strong debugging and performance tuning skills within production environments.
  • Familiarity with SQL/NoSQL databases.

Responsibilities

  • Own and enhance the Case Authorization platform for improving business workflows.
  • Design and implement robust backend services using Java and modern frameworks.
  • Collaborate with Data Engineering teams for data consistency from APIs to systems.
  • Build and maintain reconciliation logic for data accuracy across systems.
  • Analyze and optimize performance bottlenecks in existing services.
  • Develop reliable integrations with REST APIs and external data sources.
  • Implement production-grade error handling, logging, and observability frameworks.

Benefits

  • Full-time, onsite work environment in New York, NY.
  • Opportunity to play a critical role in a high-impact project.
  • Direct role within a leading financial services organization.
  • Collaboration with cross-functional teams and business stakeholders for impactful solutions.
Full Job Description
28th September, 2026

Our client in New York, NY, is seeking a Senior Java Engineer to join their team!

This is an onsite/full-time/direct-hire position
Salary range based on experience: $130K-$135K

Role Overview
We are seeking a Senior Java Engineer to play a critical role in evolving and stabilizing a high-impact Case Authorization and Data Reconciliation platform within a leading financial services organization.

This role goes beyond traditional backend development-you will act as an engineering owner, driving business-critical logic, improving system reliability, and partnering closely with stakeholders to deliver scalable, production-grade solutions.

Key Responsibilities
• Own and enhance the Case Authorization platform, enabling intelligent prioritization of business workflows
• Design and implement robust backend services using Java and modern frameworks
• Collaborate with Data Engineering teams to ensure end-to-end data consistency from APIs to downstream systems
• Build and maintain reconciliation logic to validate data accuracy across systems
• Analyze and optimize performance bottlenecks in existing services and integrations
• Develop reliable integrations with REST APIs and external data sources
• Implement production-grade error handling, logging, and observability frameworks
• Partner directly with business stakeholders to translate requirements into scalable technical solutions
• Contribute to system design, architecture decisions, and best practices

Required Skills & Experience
• Strong hands-on experience in Java (8+/11+/17+) and backend development
• Expertise in Spring Boot / Spring Framework for building scalable microservices
• Experience designing and consuming RESTful APIs
• Solid understanding of distributed systems and system design principles
• Experience working with data-intensive applications and backend services supporting data pipelines
• Strong debugging and performance tuning skills in production environments
• Familiarity with SQL/NoSQL databases
• Experience with error handling, monitoring, and logging frameworks
• Ability to work in cross-functional teams and communicate with business stakeholders

What We're Looking For
• Ownership mindset: Ability to take ambiguous requirements and drive them to completion
• Production maturity: Experience building systems that scale and handle real-world edge cases
• Problem-solving ability: Strong analytical skills to diagnose and resolve complex issues
• Business acumen: Ability to understand and translate business needs into technical solutions
• Consultative approach: Comfortable working directly with stakeholders and influencing decisions
• Or tailor this JD specifically for US hiring/visa/salary bands

Applicants must be authorized to work in the U.S.

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