Senior Java/Python Backend Engineer (Software Engineer 4 - Contingent

Experis Technology Group; Phoenix (AZ); On-site; USD 90,000 - 96,000; Full time

Job summary

ManpowerGroup client is seeking a Senior Java/Python Backend Engineer to join the team as a Software Engineer 4 - Contingent. The role focuses on building reliable real-time data services powering AI/agentic workflows and event-driven architectures.

The backend stack relies on Java and Python, with Spring WebFlux for reactive processing, and uses Kafka and Flink to manage streaming data pipelines and ingestion. You will contribute to API design and data workflows, working across teams.

Qualifications

• 4+ years of Software Engineering experience.
• 4+ years of Java experience with Spring/Spring Boot.
• 2+ years of Python backend development.
• Deep understanding of reactive programming and Spring WebFlux.
• Experience with Kafka for event-driven architectures and Flink for streaming data.

Responsibilities

• Design, build, and maintain backend services processing real-time data streams.
• Develop and integrate RESTful APIs using Java and Python for data workflows.
• Implement reactive, nonblocking services with Spring WebFlux for high throughput.
• Work with Kafka and Flink to build streaming pipelines and processing logic.
• Collaborate on AI/agentic backend components where applicable.

Skills

Java

Python

Reactive programming

REST APIs

Spring WebFlux

Tools

Spring Boot

Apache Kafka

Apache Flink

Job description

Our client is seeking a Senior Java/Python Backend Engineer (Software Engineer 4 - Contingent) to join their team. As a Senior Java/Python Backend Engineer (Software Engineer 4 - Contingent), you will be part of the [Department Name] supporting [Team Name(s)]. The ideal candidate will have strong backend engineering fundamentals, hands-on reactive programming experience, and the drive to build reliable real-time data services that can power AI/agentic workflows.

Job Title:Senior Java/Python Backend Engineer (Software Engineer 4 - Contingent

Location:Phoenix, AZ (Rose Garden) or Charlotte, NC (Brevard)

Pay Range: 65-70/hr

What's the Job?

• Design, build, and maintain backend services that process real-time data streams and support event-driven architectures.
• Develop and integrate RESTful APIs using Java and Python to enable downstream systems and data workflows.
• Implement reactive, nonblocking services using Spring WebFlux to ensure high-throughput, resilient processing.
• Work with Apache Kafka and Apache Flink to build streaming pipelines, event ingestion, and continuous processing logic.
• Collaborate on AI/agentic components by applying LLM and prompt engineering concepts to backend workflows (as applicable to the team’s approach).

What's Needed?

• 4+ years of Software Engineering experience, or equivalent demonstrated through one or a combination of work experience, training, military experience, or education.
• 4+ years of Java experience, including proficiency with Spring / Spring Boot.
• 2+ years of Python experience focused on backend or data-driven development.
• Deep understanding of reactive programming, including hands-on experience with Spring WebFlux.
• Hands-on experience with Apache Kafka for event-driven architectures and experience with Flink for stream processing and data pipelines.

What's in it for me?

• Opportunity to work on real-time backend systems that combine streaming data, reactive services, and modern API development.
• Chance to apply AI/LLM and agentic concepts in a backend context, where your engineering decisions directly impact system behavior.
• Work with both NoSQL and RDBMS data stores, including MongoDB and Oracle, to build end-to-end solutions.
• Engage in a focused 30-minute Teams interview process and move quickly toward next steps.
• Potential for extension up to 24 months and/or conversion, with conversion eligibility preferred.

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup® (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast-changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells – creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in-demand talent.