Full Stack Java Developer - TX

Job#: 3023624

Job Description:

Client: Financial Service

Team: TBA

Job Title: Lead Software Engineer (Software Engineer 4 - Contingent)

Location: Zone 2 - On-Site

Contract Length: 12mo

Pay Rate: $111.25/hr (OT40)
Top Requirements:

8+ years software engineering experience (Java 21/17 + Python)

6+ years designing & leading REST/GraphQL API solutions

Hands-on experience architecting and scaling API platforms

Cloud engineering with Microsoft Azure + OpenShift

Terraform Infrastructure-as-Code (modules, policy-as-code, remote state)

3+ years technical leadership / tech lead experience

2+ years data center migration (on-prem cloud)

Expertise in distributed systems, microservices, and high-throughput APIs

Experience with AI/ML-enabled services

Plusses:

Experience with OpenShift operators, service mesh (Istio/Linkerd), Kubernetes (CKA/CKAD)

Experience with Azure Migrate, Database Migration Service, hybrid connectivity (ExpressRoute)

Performance engineering (JVM tuning, Python performance, SQL optimization)

Observability tooling (OpenTelemetry, Prometheus, Grafana, ELK, Log Analytics)

Advanced Terraform, Ansible, and policy-as-code (OPA/Conftest)

Certifications such as Azure Architect, Terraform Associate, RHCSA/RHCE, CKA/CKAD

Experience with CQRS, DDD, event sourcing, and advanced caching patterns

Job Summary:

In this contingent resource assignment, the consultant will engage in complex software engineering initiatives with broad impact and large-scale technical planning. The role involves evaluating multi-faceted engineering challenges, designing long-term architecture, and resolving complex issues that require deep analysis of multiple technical and organizational factors. The consultant will architect, build, and scale next-generation API platforms and applications using Java (21/17), Python, Angular, and GraphQL, while driving cloud-native delivery on Microsoft Azure and Red Hat OpenShift using Terraform-based Infrastructure as Code. The engineer will lead technical execution for on-prem to cloud migration efforts and contribute to high-performance distributed systems and AI/ML-enabled services. Strategic collaboration with client teams and adherence to policies, procedures, and compliance requirements are essential.
Day-to-Day Responsibilities:

Architect and implement next-generation API platforms and distributed systems

Design, code, test, debug, and document software across Java, Python, Angular, and GraphQL

Lead large-scale cloud-native engineering efforts on Azure and OpenShift

Build Terraform IaC modules and enforce engineering standards and governance

Drive data center migration execution, including planning and cutover

Build and optimize REST, GraphQL, and microservices-based integrations

Ensure performance, security, reliability, and compliance across systems

Collaborate with stakeholders, mid-level managers, and engineering peers

Provide technical leadership, mentorship, and guidance to less experienced engineers

Support CI/CD pipelines, automated testing, and secure DevOps practices

Implement observability, monitoring, and operational best practices

Work with SQL Server, Redis, Kafka/RabbitMQ, and hybrid cloud connectivity

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.