Backend Software Engineer (Java/Python & LLM)

Job Title:

Backend Software Engineer (Java/Python & LLM)

Pay Rate:

$70/hr on W2 /HR

Duration:

12 months

Job Requisition:

WF000567

Location:

Phoenix, AZ / Charlotte, NC

Mode: Hybrid, 3 days onsite per week, 8 hours mandatory

Visa: USC, GC, GC EAD, L2 EAD, H4 EAD, TN

About the Role

Our client is seeking an experienced software engineer to develop backend applications and services using Java, Spring Boot, and Python within a modern event-driven technology environment. The role involves reactive application development, real-time data processing, API development, and integration with both relational and NoSQL databases.

The ideal candidate will also have exposure to cloud technologies and emerging AI capabilities, including LLMs, agentic architectures, prompt engineering, and agent-development frameworks. Experience supporting large enterprise environments or working with ADK or comparable agent frameworks is highly valuable.

Job Duties

• Develop and maintain backend services using

Java, Spring, and Spring Boot

.

• Build reactive applications and services using

Spring WebFlux and Reactive Programming

.

• Develop backend and data-oriented solutions using

Python

.

• Design and support event-driven application components using

Apache Kafka

.

• Develop stream-processing solutions and data pipelines with

Apache Flink

.

• Design, implement, and integrate

RESTful APIs

for enterprise applications.

• Work with both

MongoDB and Oracle

to support application and data requirements.

• Participate in development of scalable, distributed backend services.
• Support data flows involving real-time and event-driven processing.
• Apply appropriate database technologies based on application and data requirements.
• Contribute to cloud-based application development and deployment initiatives.
• Explore and integrate

LLM capabilities

into software solutions where applicable.

• Support development of

agentic architectures

and AI-enabled application workflows.

• Apply prompt engineering concepts when developing or integrating LLM-based functionality.
• Work with

ADK, Playbook, or comparable agent-development frameworks

when required.

• Collaborate with engineering teams to troubleshoot, enhance, and deliver production-quality software.

Requirements

• 4+ years of professional

Software Engineering

experience or equivalent experience demonstrated through work, training, military experience, or education.

• 4+ years of hands-on

Java

development experience.

• Strong experience with

Spring/Spring Boot

.

• 2+ years of hands-on

Python

experience focused on backend or data-driven development.

• Practical experience with

Reactive Programming and WebFlux

.

• Hands-on experience with

Apache Kafka

and event-driven architectures.

• Experience using

Apache Flink

for stream processing and data pipelines.

• Strong database experience with both

MongoDB and Oracle

.

• 2+ years of experience developing and consuming

RESTful APIs

.

• Experience with cloud technologies is preferred, with 3+ years desirable.
• Exposure to

LLMs, agentic architectures, and prompt engineering

is preferred.

• Familiarity with

ADK, Playbook, or similar agentic development frameworks

is preferred.

• Candidates with relevant large-enterprise or Wells Fargo experience are strongly aligned with the role.