Sr Staff Engineer - Java / SpringBoot / AWS

At Early Warning, we've powered and protected the U.S. financial system for over thirty years with cutting-edge solutions like Zelle, Paze, and so much more. As a trusted name in payments, we partner with thousands of institutions to increase access to financial services and protect transactions for hundreds of millions of consumers and small businesses.

Positions located in Scottsdale, San Francisco, Chicago, or New York follow a hybrid work model to allow for a more collaborative working environment.

Candidates responding to this posting must independently possess the eligibility to work in the United States, for any employer, at the date of hire. This position is ineligible for employment Visa sponsorship.

Overall Purpose

This position is an important role in the development, test, and deployment of complex solutions.

Essential Functions

• Partners with software engineering, product, and architecture to shape engineering approaches, share knowledge and experience.

• Own the technical strategy for broad or complex requirements with insightful and forward-looking approaches that go beyond the direct team and solve large open-ended problems.

• Responsible for department-wide design, patterns and code approaches.

• Reviews and validates effectiveness of code output from multiple teams.

• Accountable for resolving technical conflict within and between multiple teams.

• Drive all aspects of technical architecture, design, prototyping and implementation in support of both product needs as well as overall technology strategy.

• Represent engineering in cross-functional team sessions and able to present sound and thoughtful arguments to persuade others. Adapts to the situation and can draw from a range of strategies to influence people in a way that results in agreement or behavior change

• Lead a broad functional area and direct efforts through the functional team members along with team's overall planning.

• Collaborate and partner with product managers, designers, and other engineering groups to conceptualize, build new features and create product descriptions.

• Actively own features or systems and define their long-term health, while also improving the health of surrounding systems.

• Assist support and operations teams in identifying and quickly resolving production issues.

• Develop and implement tests for ensuring the quality, performance, and scalability of our application.

• Develop and mentor other engineers. May serve as a technical leader for cross-functional projects.

• Actively seeks out ways to improve engineering standards, tooling, and processes.

• Supporting the company's commitment to risk management and protecting the integrity and confidentiality of systems and data.

Minimum Qualifications

• Education and/or experience typically obtained through a Bachelor's degree in computer science or related technical field.

• Twelve or more years of relevant related experience.

• Nine or more years of experience in the development of distributed systems, SaaS, cloud solutions, micro services.

• Hands-on Docker experience.

• Two or more years of experience in the development of front-end solutions. Hands-on familiarity with modern frameworks (Angular/React).

• Eight or more years of work experience with Java/Spring. Proficiency in Maven/Gradle.

• Demonstrated experience in delivering business-critical systems to the market.

• Ability to influence and work in a collaborative team environment across multiple departments.

• Experience designing/developing scalable systems.

• Experience with event-driven architecture and messaging frameworks (Pub/Sub, Kafka, RabbitMQ, etc).

• Working experience with cloud infrastructure (Google Cloud Platform, AWS, Azure, etc).

• Knowledge of mature engineering practices (CI/CD, testing, secure coding, etc).

• Knowledge of Software Development Lifecycle (SDLC) best practices, software development methodologies (Agile, Scrum, LEAN etc) and DevOps practices.

• Background and drug screen.

Preferred Qualifications

• AWS Cloud experience
• Java, SpringBoot, Rest APIs, microservices
• Knowledge of ACH/EFT
• Knowledge of real time payment networks (RTP, FedNow)
• FinTech experience
• Kubernetes experience
• Demonstrated experience defining and driving authentication and identity strategy across large-scale, multi-product ecosystems, balancing security, usability, fraud mitigation, and regulatory requirements.
• Proven ability to architect and evolve enterprise-wide authentication and session management platforms, setting long-term technical direction and influencing cross-organizational standards.
• Deep expertise in modern authentication frameworks, including passkeys (FIDO2/WebAuthn), federated identity, adaptive/risk-based authentication, and advanced step-up mechanisms.
• Extensive experience designing large-scale OAuth2/OIDC ecosystems, including token architecture strategy, JWT lifecycle governance, refresh and rotation policies, revocation models, and proof-of-possession patterns such as DPoP.
• Experience designing and operationalizing enterprise-grade device trust and integrity systems leveraging hardware-backed attestation, cryptographic signals, and privacy-aware device recognition techniques.
• Strong foundation in applied cryptography and secure key management at scale, including digital signatures, asymmetric cryptography, replay protection, and key lifecycle governance across distributed environments.
• Production experience implementing device trust and recognition capabilities using device attestation frameworks such as Apple App Attest, DeviceCheck, Play Integrity, or Android Key Attestation.
• Strong working knowledge of applied cryptography for authentication systems, including asymmetric key pairs, HMAC, digital signatures, replay protection, and secure key lifecycle management.
• Significant experience building and operating highly available authentication systems in distributed cloud-native environments (AWS or similar, Kubernetes, modern backend stacks) serving large user bases.

The base pay scale for this position in:
Phoenix, AZ/ Chicago, IL in USD per year is: $175,000 - $225,000.

Physical Requirements

Working conditions consist of a normal office environment. Work is primarily sedentary and requires extensive use of a computer and involves sitting for periods of approximately four hours. Work may require occasional standing, walking, kneeling and reaching. Must be able to lift 10 pounds occasionally and/or negligible amount of force frequently. Requires visual acuity and dexterity to view, prepare, and manipulate documents and office equipment including personal computers. Requires the ability to communicate with internal and/or external customers.

Employee must be able to perform essential functions and physical requirements of position with or without reasonable accommodation.

Candidates responding to this posting must independently possess the eligibility to work in the United States at the date of hire.

The above job description is not intended to be an all-inclusive list of duties and standards of the position.

Some of the Ways We Prioritize Your Health and Happiness

• Healthcare Coverage-Competitive medical (PPO/HDHP), dental, and vision plans as well as company contributions to your Health Savings Account (HSA) or pre-tax savings through flexible spending accounts (FSA) for commuting, health & dependent care expenses.

• 401(k) Retirement Plan-Featuring a 100% Company Safe Harbor Match on your first 6% deferral immediately upon eligibility.

• Paid Time Off -Flexible Time Off for Exempt (salaried) employees, as well as generous PTO for Non-Exempt (hourly) employees, plus 11 paid company holidays and a paid volunteer day.

• 12 weeks of Paid Parental Leave

• Maven Family Planning - provides support through your Parenting journey including egg freezing, fertility, adoption, surrogacy, pregnancy, postpartum, early pediatrics, and returning to work.

AndSOmuch more! We continue to enhance our program, so be sure tocheck our Benefits page here for the latest. Ourteamcan share more during the interview process!

Early Warning Services, LLC ("Early Warning") considers for employment, hires, retains and promotes qualified candidates on the basis of ability, potential, and valid qualifications without regard to race, religious creed, religion, color, sex, sexual orientation, genetic information, gender, gender identity, gender expression, age, national origin, ancestry, citizenship, protected veteran or disability status or any factor prohibited by law, and as such affirms in policy and practice to support and promote equal employment opportunity and affirmative action, in accordance with all applicable federal, state, and municipal laws. The company also prohibits discrimination on other bases such as medical condition, marital status or any other factor that is irrelevant to the performance of our employees.

Early Warning Services LLC is a proud participant in E-Verify, a federal program to help ensure a legal and authorized workforce. As part of our hiring process, we electronically verify the employment eligibility of all new hires through E-Verify. For more information on your rights and responsibilities under E-Verify please visit Home | E-Verify.