API Architect

Job Summary Our client, a leading banking and financial services organization, is seeking an experienced API Architect. This hands-on role will support the Data API Platform team, responsible for managing and enhancing more than 400 enterprise APIs. The ideal candidate brings a strong blend of API architecture and development expertise, with experience designing Contract DetailsContract type: ContractContract Length: 19-weekContract Dates: 08/17/2026 - 12/31/2026Location: Cupertino, CAInterview Process: Multiple Video Interviews (Coding & Architecture Focused) Core ResponsibilitiesLead the architecture, design, development, and deployment of enterprise-grade applications utilizing Java, Spring Boot, and microservices architectureDrive API platform strategy and development for a large-scale environment supporting more than 400 APIsDesign, build, and maintain robust APIs and backend services using Spring Framework, Hibernate, REST, JSON, and KafkaArchitect and implement cloud-native solutions leveraging AWS, Docker, Kubernetes, and automation technologiesDevelop scalable and secure microservices that support multiple business linesCreate and maintain technical architecture deliverables, design standards, and infrastructure recommendations aligned with business objectivesLead API and microservices solution delivery while remaining actively involved in hands-on developmentMonitor, analyze, and remediate application and infrastructure vulnerabilitiesPartner with product, QA, DevOps, operations, and business teams to deliver high-quality software solutionsParticipate in Agile ceremonies, sprint planning, estimations, and retrospectivesProvide application support, troubleshooting, root cause analysis, and on-call support as requiredManage and prioritize API product and feature backlogsEstablish and enforce engineering best practices, coding standards, and architectural patternsBuild strong relationships with business and technical stakeholders to translate business needs into effective API solutionsContribute to long-term technology strategy, standards, policies, and modernization initiatives Required Skills & Experience15+ years of hands-on Java development experience10+ years of experience designing, developing, and supporting large-scale enterprise systems6+ years of experience building microservices-based solutions5+ years of experience working with Spring Boot in enterprise environments5+ years of technical leadership experience, including mentoring and guiding development teamsExtensive expertise with Spring Boot, Spring Framework, and microservices architectureStrong experience with AWS, Docker, Kubernetes, CI/CD pipelines, infrastructure automation, and DevOps practicesExperience with Kafka or other event-streaming technologies such as RabbitMQExpertise in REST APIs, JSON, and modern API development methodologiesExperience with Hibernate or comparable ORM frameworksStrong understanding of event-driven architecture and distributed systemsExperience with API development tools such as IntelliJ, Eclipse, Postman, Git, and CucumberExperience designing and implementing Web APIs, GraphQL, and gRPC servicesDeep understanding of software architecture, design patterns, scalability, and application securityStrong analytical, communication, and problem-solving skills Preferred Skills & ExperienceExperience working within large enterprise API platform environmentsCloud experience in both AWS and Azure environmentsFront-end development experience with React.js, Node.js, and JavaScriptFinancial services or banking industry experienceExperience building common frameworks, reusable tooling, and platform servicesExposure to platform engineering or API governance initiativesExperience supporting highly scalable distributed systems Key Competencies & BehaviorsTechnical LeadershipInitiative & OwnershipStrategic Architecture ThinkingStakeholder CommunicationTeam MentorshipCross-Functional CollaborationContinuous Improvement MindsetAdaptability & Agility Work EnvironmentLocation: Cupertino, CAWork Model: HybridSchedule: 3 days onsite per week Compensation & BenefitsPay Range: The approximate pay range for this position is between $60.00 and $86.00. Please note that the pay range provided is a good faith estimate. Final compensation may vary based on factors including but not limited to background, knowledge, skills, and location. We comply with local wage minimums.Medical, Dental, & Vision Insurance PlansEmployee-Owned Profit Sharing (ESOP)401K offered About KellyMitchell At KellyMitchell, our culture is world class. We’re movers and shakers! We don’t mind a bit of friendly competition, and we reward hard work with unlimited potential for growth. This is an exciting opportunity to join a company known for innovative solutions and unsurpassed customer service. We're passionate about helping companies solve their biggest IT staffing & project solutions challenges. As an employee-owned, women-led organization serving Fortune 500 companies nationwide, we deliver expert service at a moment's notice. 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