Java/Python Engineer- AZ

Job#: 3028527

Job Description:

Client: Financial Services

Job Title: Java/Python Engineer

Location: AZ

Contract Length: 9mo

Pay Rate: $68 - $74
Top Requirements

5+ years Software Engineering experience (or equivalent via consulting, training, military, or education).

4+ years Java (Spring / Spring Boot).

2+ years Python (backend or data-driven development).

Deep understanding of Reactive Programming (WebFlux, Reactor, functional pipelines).

Hands-on Apache Kafka (event-driven architectures, producers/consumers, partitions, schemas).

Experience with Apache Flink for real-time stream processing and data pipelines.

Strong database experience in MongoDB (NoSQL) and Oracle (RDBMS).

2+ years developing RESTful APIs (design, standards, versioning, idempotency).

Plusses

3+ years Cloud experience (AWS, Google Cloud Platform, or Azure).

Exposure to LLMs, agentic architectures, and prompt engineering.

Familiarity with ADK, Playbook, or other agent development frameworks.

Job Summary

This Senior Software Engineer (Software Engineer 4) will work on complex, large-scale software engineering initiatives requiring deep analysis, cross-functional collaboration, and strong architectural judgment. The role focuses heavily on Java/Spring, Reactive Programming, Python-based backend tasks, and event-driven systems, while supporting long-term platform modernization and distributed data pipeline development.

The engineer will design resilient microservices, build high-throughput data flow solutions using Kafka and Flink, and work with NoSQL + relational databases across cloud environments. This role requires engineering maturity, strong problem-solving skills, and comfort building solutions in dynamic, large-scale enterprise environments.
Day-to-Day Responsibilities

• Design, build, and enhance Java/Spring Boot microservices using reactive patterns.
• Develop backend components in Python for data processing and integration.
• Build and support Kafka-driven event architectures (topics, schemas, consumer groups).
• Implement and support Apache Flink pipelines for streaming and operational analytics.
• Develop, version, and optimize REST APIs (OpenAPI/Swagger-based ecosystems).
• Work across MongoDB and Oracle databases, optimizing queries and schema design.
• Contribute to cloud migration and modernization initiatives (AWS/Google Cloud Platform/Azure).
• Participate in Agile ceremonies: backlog refinement, sprint planning, standups, retros.
• Collaborate with cross-functional teams on design, architecture, integration, and deployment.
• Support LLM/AI/agentic workstreams where applicable.

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or .

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our 'Welcome Packet' as well, which an Apex team member can provide.