Software Engineer III - Java Backend

BOK Financial•Tulsa, OK

30d•Remote

About The Position

In this role, you’ll mentor the project team, share knowledge, and collaborate with the Solution Architect to determine project architecture. You’ll lead in developing projects, promoting best programming practices, and have influence over developers. Lastly, you’ll provide application support, develop and document applications, and maintain application documentation and configuration. As a Senior Software Engineer, you’ll be a hands-on technical leader and key contributor in a cross-functional team, often acting as a technical lead. You’ll design, build, and operate Java Spring Boot microservices and RESTful APIs on AWS (as we migrate from on-prem), using event-driven architecture and data stores like SQL Server, PostgreSQL, MongoDB, and Redis. You’ll drive execution, mentor others, and champion operational excellence. Our mission is to empower our company, teammates, and customers through resilient, customer-centric technology. We leverage our technical expertise and deep business understanding to deliver impactful solutions.

Requirements

Bachelor’s degree in a technology field and/or 8+ years of related experience.
5–8+ years of software engineering.
3–5+ years designing and building secure Java Spring Boot microservices and RESTful APIs.
Production experience on AWS (compute, messaging, storage).
Production experience with event-driven patterns (Kafka, SNS/SQS/Kinesis).
Production experience with container technologies (Docker, Kubernetes).
Proficiency with SQL Server or PostgreSQL.
Strong test discipline (unit/integration/contract).
Experience with CI/CD pipelines.
Experience with code review excellence.
Experience with observability tools (New Relic, Datadog, Splunk, etc.).
Experience with incident response.

Nice To Haves

Technology certifications are preferred.
Banking and Financial Service experience is preferred.
Securing APIs with Spring Security and OKTA.
Familiarity with AI-assisted development tools (GitHub Copilot, Amazon Q) and DevSecOps practices.
Experience building APIs integrated with Kong API Gateway, Apigee, or similar API Gateway.
Experience with MongoDB, Redis, or similar NoSQL technology.
Experience building services deployed to Tomcat, Jetty, or similar Java Servlet containers.
Infrastructure-as-Code (Terraform/CDK), containers/orchestration (EKS/ECS), or serverless (Lambda) experience.
Experience with schema registries, CDC, or stream processing.
PCI & SOX awareness.

Responsibilities

Mentor the project team and share knowledge.
Collaborate with the Solution Architect to determine project architecture.
Lead in developing projects and promoting best programming practices.
Provide application support, develop and document applications, and maintain application documentation and configuration.
Design, build, and operate Java Spring Boot microservices and RESTful APIs on AWS.
Utilize event-driven architecture and data stores like SQL Server, PostgreSQL, MongoDB, and Redis.
Drive execution, mentor others, and champion operational excellence.
Architect and implement Spring Boot microservices and RESTful APIs with best practices for domain-drive design, scalability, reliability, and maintainability.
Deliver features using event-driven architecture (Kafka, SNS/SQS/Kinesis), including publish/subscribe patterns, idempotency, retries, and error handling.
Model schemas and access patterns for SQL Server, PostgreSQL, MongoDB, and Redis; optimize for correctness, performance, and cost.
Develop using AI assisted- workflows with tools such as GitHub Copilot, Amazon Q, and Claude to accelerate coding, refactoring, documentation, and test generation.
Leverage agentic patterns for multistep tasks such as feature scaffolding, modernization, dependency analysis, and CI/CD interactions—with appropriate human-in-the-loop (HITL) controls.
Apply AI-assisted- PR review and security scanning, validating suggestions with engineering judgment and secure by design principles.
Continuously evaluate and improve how AI tools are used across the SDLC to increase throughput, quality, and developer experience.
Own testing strategy—unit, integration, and contract tests—while enforcing CI quality gates.
Help shape next generation- pipelines as we transition to AWS EKS.
Instrument services using New Relic; define SLIs/SLOs and participate in a minimal on-call rotation.
Follow secure coding practices and remediate findings; PCI & SOX awareness is helpful.
Lead design reviews, mentor peers, and guide pull requests with a high bar for craftsmanship.
Practice build-it/run-it ownership from development through production.