Senior Java Backend Engineer – Reactive & Agentic AI

PTR Global; Phoenix (AZ); On-site; USD 125,000 - 178,000; Full time

Job summary

PTR Global is seeking a contingent resource for software engineering consulting, with emphasis on complex, large-scale initiatives and cross-functional collaboration. The role focuses on evaluating multifaceted challenges, ensuring compliance and alignment with deliverables, and partnering with client teams to drive outcomes.

The assignment spans 12 months with potential extension, offering a rate of $110.00 per hour and full-time consultant benefits per company policy.

Qualifications

• 4+ years of Software Engineering experience.
• 5+ years of Software Engineering experience (consulting/industry).
• 4+ years of Java experience, including Spring / Spring Boot.
• 2+ years of Python experience, backend or data-driven.
• Deep understanding of Reactive Programming (WebFlux).
• Hands-on experience with Apache Kafka for event-driven architectures.
• Experience with Flink for stream processing and data pipelines.
• Database expertise with MongoDB and Oracle (RDBMS).
• 2+ years of experience developing/using RESTful APIs.

Responsibilities

• Consult on complex initiatives with broad impact and large-scale planning for Software Engineering.
• Review and analyze complex multi-faceted, larger-scale or longer-term Software Engineering challenges requiring in-depth evaluation of multiple factors.
• Contribute to resolution of complex situations requiring understanding of policies, procedures, and compliance to meet deliverables.
• Strategically collaborate and consult with client personnel.

Skills

Software Engineering experience

Tools

Java

Spring / Spring Boot

Python

Reactive Programming

Apache Kafka

Flink

MongoDB

Oracle

RESTful APIs

Job description

Job Description:

In this contingent resource assignment, candidates may:

• Consult on complex initiatives with broad impact and large-scale planning for Software Engineering.
• Review and analyze complex multi-faceted, larger scale or longer-term Software Engineering challenges that require in-depth evaluation of multiple factors including intangibles or unprecedented factors.
• Contribute to the resolution of complex and multi-faceted situations requiring solid understanding of the function, policies, procedures, and compliance requirements that meet deliverables.
• Strategically collaborate and consult with client personnel.

Required Qualifications:

• 4 plus years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work experience, training, military experience, or education.
• 5 plus years of Software Engineering experience, or equivalent demonstrated through one or a combination of the following: work or consulting experience, training, military experience, education.
• 4 plus years of Java experience, including proficiency in Spring / Spring Boot.
• 2 plus years of experience with Python, focused on backend or data-driven development.
• Deep understanding of Reactive Programming, including WebFlux.
• Hands-on experience with Apache Kafka for event-driven architectures.
• Experience with Flink for stream processing and data pipelines.
• Database expertise with both MongoDB (NoSQL) and Oracle (RDBMS).
• 2 plus years of experience developing and using RESTful Application Program Interfaces (APIs).

Desired Qualifications:

• 3 plus years of experience with Cloud technologies.
• Exposure to LLMs (Large Language Models), agentic architectures, and prompt engineering concepts.
• Familiarity with ADK (Agent Development Kit), Playbook, or similar agentic frameworks.

Note:

• Past Sourcing Feedback / Candidate Profile Guidance
• Previous candidate pools included many individuals who did not have sufficiently relevant experience.
• Preference is for candidates with WF experience, ADK experience, or exposure to LLMs.
• Candidates without either WF experience or ADK/LLM exposure have generally not fared well during interviews or when being considered for potential offers.
• Location: Rose Garden, Phoenix or Charlotte, Brevard
• Interview: 30-minute Teams call
• Rate: $110.00

Duration:

• 12 months, with potential to extend up to 24 months and/or convert. Conversion capability is preferred but not required.
• The priority is finding the best-qualified candidate.

Pay Range: $XXX – $XXX
The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits including medical, dental, vision and 401K contributions as well as any other PTO, sick leave, and other benefits mandated by appliable state or localities where you reside or work.