Sr. Full Stack Developer (Java, APIs, React) – GCPThe Enterprise Payments IS Tech Specialist – Full Stack (Java, APIs, React) – GCP serves as a senior technical contributor on the Enterprise Payments technology team, leading the design, development, integration, and operational support of cloud?native payment solutions hosted on Google Cloud Platform (GCP). This role delivers secure, scalable back?end services and modern web user interfaces, aligned with enterprise architecture standards, business strategy, and regulatory requirements. This position plays a key role in delivering complex initiatives, modernizing payment platforms, and driving engineering best practices across cloud?native and event?driven architectures.We are seeking an experienced IS Tech Specialist with strong full?stack engineering skills (Java, API development, and React) and deep GCP expertise to support our Enterprise Payments platform. This role focuses on building cloud?native services and user experiences, system integration, and production support in an agile environment, enabling high?volume payment origination, processing, disbursement, and settlement capabilities. The ideal candidate brings strong hands?on experience with Java (e.g., Spring/Spring Boot), designing and implementing secure APIs (REST; familiarity with API management such as Apigee/API Gateway), and building web applications using React, while collaborating closely with product, business, and enterprise IT partners.
Experience with distributed systems and modern DevOps practices on GCP is essential.Key ResponsibilitiesServe as a subject matter expert (SME) for GCP technologies within the Enterprise Payments portfolioProvide hands?on technical leadership for cloud?native application development and supportDesign, build, and maintain highly available, event?driven payment systems on GCPDevelop serverless and container?based solutions using Cloud Functions, Cloud Run, and GKEDevelop and maintain back?end services using Java (e.g., Spring Boot), including performance tuning and resiliency patternsDesign, build, and version RESTful APIs, including contract-first design, documentation, and integration testingBuild and enhance web user interfaces using React and modern JavaScript/TypeScript practicesImplement messaging and event processing using Pub/SubBuild and manage data storage using Cloud SQL (PostgreSQL/MySQL), BigQuery, and FirestoreDesign and expose APIs using Apigee or API Gateway with secure authentication and authorizationImplement identity and access management using GCP IAM, Workload Identity, and Identity PlatformConfigure networking using VPC, subnets, firewall rules, load balancers, and private service accessMonitor and troubleshoot applications using Cloud Monitoring, Cloud Logging, Error Reporting, and TraceImplement security capabilities including Security Command Center, audit logging, and threat detectionAutomate infrastructure using Terraform and GCP Deployment ManagerEnable CI/CD pipelines using Cloud Build, Artifact Registry, and Git?based repositoriesPartner with business and technology stakeholders to translate requirements into technical solutionsProduce technical designs, estimates, and documentation aligned with SDLC standardsParticipate in incidents, problems, and change management processes using ServiceNowSupport production systems, including participating in on?call rotation with the teamEnsure compliance with internal controls, security policies, and regulatory requirementsMentor junior engineers and promote engineering best practicesBasic Qualifications9+ years of experience in software engineering or IS technical roles3+ years of hands?on experience developing and supporting cloud?native applications on GCPStrong proficiency in Java (Spring/Spring Boot) and JavaScript/TypeScript (React)Experience building and supporting secure RESTful APIs and asynchronous, event?driven integrations (OAuth2/OIDC or similar authentication approaches preferred)Experience with relational databases (PostgreSQL, MySQL) and NoSQL data storesHands?on experience with: Cloud Functions, Cloud Run, or GKEPub/Sub messagingCloud SQL, BigQuery, FirestoreIAM and security best practicesExperience with Infrastructure as Code (Terraform preferred)Familiarity with CI/CD pipelines and DevOps practicesStrong troubleshooting, analytical, and communication skillsBachelor's degree or equivalent practical experiencePreferred QualificationsExperience supporting enterprise?scale payment or financial systemsKnowledge of payment processing concepts (ACH, checks, debit/credit cards, Zelle, bill pay, etc.)Experience with Unix/Linux environments and scriptingFamiliarity with observability tools such as Splunk, Dynatrace, or DatadogExposure to AI?assisted development or automation toolsExperience working in regulated or highly controlled environments