Demo

Senior Software Engineer (Java, Python, Kafka, Streaming)

Strategic Staffing Solutions
Phoenix, AZ Contractor
POSTED ON 4/20/2026
AVAILABLE BEFORE 5/21/2026

Senior Software Engineer (Java, Python, Kafka, Streaming)


Phoenix, AZ (Onsite/Hybrid)
? Contract: ~9 12 Months

Overview


We are seeking a Senior Software Engineer to build and scale modern, event-driven applications within a large enterprise environment. This role focuses on backend development, real-time data processing, and microservices architecture, leveraging both Java and Python.

The ideal candidate has strong experience with streaming technologies (Kafka/Flink), reactive programming, and building high-performance APIs.



Key Responsibilities



  • Design, develop, and maintain scalable backend services using Java (Spring Boot) and Python
  • Build and support event-driven architectures using Kafka
  • Develop real-time data pipelines and streaming solutions using Flink or similar technologies
  • Implement RESTful APIs and microservices
  • Apply reactive programming principles (e.g., WebFlux) to improve performance and scalability
  • Work with both NoSQL (MongoDB) and relational databases (Oracle)
  • Collaborate with cross-functional teams to deliver high-quality solutions
  • Contribute to system design, performance tuning, and continuous improvement



Required Qualifications



  • 4 years of software engineering experience
  • Strong expertise in Java (Spring / Spring Boot)
  • 2 years of Python (backend or data-focused)
  • Hands-on experience with Apache Kafka
  • Experience with Flink or other streaming/data pipeline technologies
  • Strong understanding of REST APIs and microservices architecture
  • Experience with MongoDB and/or Oracle databases



Preferred Qualifications



  • Experience with Reactive Programming (WebFlux or similar)
  • Exposure to cloud platforms (AWS, Azure, or Google Cloud Platform)
  • Familiarity with LLMs, prompt engineering, or agent-based architectures
  • Experience with modern AI frameworks or tools



Work Environment



  • Hybrid/onsite in Phoenix, AZ
  • Fast-paced, collaborative engineering team
  • Focus on modern architecture and real-time systems



Additional Notes



  • This is a hands-on engineering role (not purely design-focused)
  • Candidates should be comfortable working across multiple technologies (Java Python)
  • Ability to work in the U.S. without sponsorship constraints is required

Hourly Wage Estimation for Senior Software Engineer (Java, Python, Kafka, Streaming) in Phoenix, AZ
$60.00 to $73.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Senior Software Engineer (Java, Python, Kafka, Streaming)?

Sign up to receive alerts about other jobs on the Senior Software Engineer (Java, Python, Kafka, Streaming) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Income Estimation: 
$123,167 - $152,295
Income Estimation: 
$146,673 - $180,130
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Strategic Staffing Solutions

  • Strategic Staffing Solutions San Antonio, TX
  • Company Description Strategic Staffing Solutions (S3) is headquartered in Detroit and was founded in 1990. We are financially strong with more than $300 mi... more
  • 13 Days Ago

  • Strategic Staffing Solutions Richmond, CA
  • Job Title: Control Systems Engineer (PLC/SCADA) Location: Richmond, CA (On-Site) Duration: 12 Months Continuous Type: W2 Contract with a possibility to con... more
  • 14 Days Ago

  • Strategic Staffing Solutions Detroit, MI
  • STRATEGIC STAFFING SOLUTIONS (S3) HAS AN OPENING! Strategic Staffing Solutions is hiring multiple Customer Resolution Specialists for a contract opportunit... more
  • 15 Days Ago

  • Strategic Staffing Solutions Kansas, MO
  • STRATEGIC STAFFING SOLUTIONS (S3) HAS AN OPENING! Senior IT Support Kansas City, MO (Local/Onsite) 12 Months W2 contract role Work Hours: M-F, 8am - 5pm (O... more
  • 1 Day Ago


Not the job you're looking for? Here are some other Senior Software Engineer (Java, Python, Kafka, Streaming) jobs in the Phoenix, AZ area that may be a better fit.

  • Veracity Software Inc Phoenix, AZ
  • Location: Phoenix, AZ (Scheduled work-from-home days) Full Time Shift: 9/80 schedule - Every other Friday off The Senior Test Engineer is responsible for t... more
  • 9 Days Ago

  • DMSi Software Phoenix, AZ
  • A Sr Software Engineer should have multiple years of experience in Progress ABL and OE Databases and a strategic mindset with an interest in backend busine... more
  • 1 Month Ago

AI Assistant is available now!

Feel free to start your new journey!