Tech Lead - Sr. Software Engineer

Tech Lead - Sr. Software Engineer Location: Tulsa -TUL, Dallas -DAL, Fayetteville -FAY, Houston -HOUS, Kansas City -KSCY, Lincoln -LNCL, Little Rock -LTLRK, Memphis- Memph, Oklahoma City -OKC, Overland Park -OVPK, St Louis -STLPL Areas of Interest: Software Development Pay Transparency Salary Range: Not Availble Application Deadline: 05/29/2026 BOK Financial Corporation Group includes BOKF, NA; BOK Financial Securities, Inc. and BOK Financial Private Wealth, Inc. BOKF, NA operates TransFund and Cavanal Hill Investment Management, Inc. BOKF, NA operates banking divisions: Bank of Albuquerque; Bank of Oklahoma; Bank of Texas and BOK Financial®. Bonus Type Discretionary Summary 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. Job Description As a Tech Lead Senior Software Engineer, you’ll be a hands‑on technical leader and key contributor in a cross‑functional team with clear accountability for technical direction, and delivery execution. 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, provide architectural leadership, champion operational excellence and mentor others by fostering a culture of ownership, learning and high software engineering standards. Team Culture 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. Mindset Ownership customer obsession growth mindset think big — start small, bias for action, and relentless pursuit of engineering excellence. Why Join Us Impact: Build platforms used across the business; modernize critical systems, development agentic-first solutions. Growth: Leadership development, career advancement, and cutting‑edge tech adoption. Culture: Inclusive, collaborative, and innovation‑driven. Career Paths: Multiple advancement opportunities available. How You'll Spend Your Time Modern Software Development Design & Build: Architect and implement Spring Boot microservices and RESTful APIs with best practices for domain‑driven design, scalability, reliability, maintainability and provide technical leadership in the decomposition of legacy or monolithic systems into well‑bounded, cloud‑native services. Event Driven Systems: Deliver features using event‑driven architecture (Kafka, SNS/SQS/Kinesis), including publish/subscribe patterns, idempotency, retries, and error handling. Data & Storage: Model schemas and access patterns for SQL Server, PostgreSQL, MongoDB, and Redis; optimize for correctness, performance, and cost. Agentic AI–First Engineering Develop using AI assisted workflows with tools such as GitHub Copilot, Amazon Q/Kiro, 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. Review and validate AI‑generated outputs to ensure security, correctness and standards alignment. Quality, Delivery & Operations Quality Engineering: Own testing strategy—unit, integration, and contract tests—while enforcing CI quality gates. CI/CD & Automation: Help shape next generation pipelines as we transition to AWS EKS and Serverless Lambda. Observability & SRE: Instrument services using New Relic; define SLIs/SLOs and participate in a minimal on‑call rotation. Security by Design: Follow secure coding practices and remediate findings; PCI & SOX awareness is helpful. Technical Leadership: Lead service‑level architecture decisions, including API design, data models, messaging patterns, mentor peers, guide pull requests with a high bar for craftsmanship and provide AWS deployment strategies. Serve as the primary escalation point for complex technical challenges impacting delivery and balance speed, quality and sustainability to maintain predictable delivery outcomes. Operate What You Build: Practice build it/run it ownership from development through production. Education & Experience Requirements This level of knowledge is normally acquired through the completion of a bachelor’s degree in a technology field and/or 8+ years of related experience. Technology certifications are preferred. It is also preferred that the candidate have Banking and Financial Service experience. Must‑Have 8–10+ years of software engineering, with 6–10+ years designing and building secure Java Spring Boot microservices and RESTful APIs. Production experience on AWS (compute, messaging, storage), event‑driven patterns (Kafka, SNS/SQS/Kinesis), and container technologies (Docker, Kubernetes) Proficiency with SQL Server or PostgreSQL. Strong test discipline (unit/integration/contract), CI/CD pipelines, and code review excellence. Experience with observability tools (New Relic, Datadog, Splunk, etc.) and incident response. Experience with Postman to build, test, monitor and document APIs. Nice‑to‑Have Practical experience applying domain‑driven design tactical concepts: bounded contexts, aggregates, entities, value objects into hexagonal microservices. Securing APIs with Spring Security and OKTA Familiarity with AI‑assisted development tools (GitHub Copilot, Amazon Q/Kiro) and DevSecOps practices. Experience building APIs integrated with Kong API Gateway, Apigee, or similar API Gateway and the testing of APIs with Kong Insomnia. 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. BOK Financial Corporation Group is a stable and financially strong organization that provides excellent training and development to support building the long term careers of employees. With passion, skill and partnership you can make an impact on the success of the bank, customers and your own career! Apply today and take the first step towards your next career opportunity! the companies in BOK Financial Corporation Group are equal opportunity employers. We are committed to providing equal employment opportunities for training, compensation, transfer, promotion and other aspects of employment for all qualified applicants and employees without regard to sex, race, color, religion, national origin, age, disability, pregnancy status, sexual orientation, genetic information or veteran status. Tulsa, OK, US, 74101 Houston, TX, US, 77001 Fayetteville, AR, US, 72701 Dallas, TX, US, 75001 Memphis, TN, US, 38119 Little Rock, AR, US, 72002 Oklahoma City, OK, US, 73102 Kansas City, MO, US, 66012 Overland Park, KS, US, 66204 St. Louis, MO, US, 63102 Lincoln, NE, US, 68501 Top 3 reasons to apply Investing in our talent and building a great workplace is a top priority for us. For more than a century, BOK Financial Corporation has helped fuel the success of clients and communities. Since our humble beginnings in Tulsa, Oklahoma, we’ve grown into a diversified financial services company that serves consumers, small businesses and international corporations—and everything in between. Facts: Operations focused in an eight‑state footprint 5,000 team members

• 49.7 billion in assets
• 114.6 billion in assets under management and administration
• 8 million donated to local nonprofits in 2024

59,000+ volunteer hours by our employees in 2024 Nearest Major Market: Tulsa Nearest Secondary Market: Oklahoma Job Segment: Testing, Developer, Solution Architect, Java, Database, Technology #J-18808-Ljbffr BOK Financial Corporation