Digital Asset API & DevOps Engineer / Developer

Digital Asset Api & DevOps Engineer / Developer (Fte) As a key member of KeyBank's Digital Assets Technology team, the Digital Asset API & DevOps Engineer/Developer will design, develop, deploy, integrate and support cloud-based services connecting KeyBank's banking ecosystem with Digital Asset orchestration, custody, wallets, tokenized deposits, stablecoins and blockchain capabilities. The role focuses on KeyBank's GCP-hosted Digital Financial Assets application and the APIs and integrations connecting: KeyBank's core host systems and services KeyBank's systems of record and control Orchestration of Digital Asset products Digital Asset execution, custody and wallet services The engineer will collaborate with Digital Assets architecture, application, cybersecurity, cloud engineering, API engineering and DevOps teams, along with third-party SaaS Digital Asset providers, to build secure, resilient and reusable integrations. Core Responsibilities API Development and Integration Design, build, test and support APIs connecting the Digital Assets platform to KeyBank banking applications and external Digital Asset services. Create REST and SOAP interfaces and reusable integration services connecting to core and Saas vendor apps. Build API wrappers and middleware to separate Digital Asset business workflows from provider-specific interfaces. Support synchronous and asynchronous integrations through APIs, messaging, events, webhooks and approved file/batch interfaces. Define and implement standards for interface contracts, data models, validation, error handling, retries, idempotency and transaction correlation. Create reusable components that accommodate additional Digital Asset products, providers and networks without unnecessary redesign of KeyBank's banking integrations. Collaborate with KeyBank application teams to build and test application-specific APIs and integration patterns. GCP Application Development Build and support cloud-native Digital Assets services on Google Cloud Platform. Create containerized services, APIs and integration components using KeyBank-approved cloud patterns. Support the selected deployment architecture, using GKE and/or Cloud Run as appropriate to final architecture decisions. Develop services that connect to the Digital Assets operational data store and approved enterprise data services. Work with cloud and infrastructure teams to implement network, security, runtime configuration and environment requirements. Provide support across development, test, pre-production and production environments. Help test application performance, scalability, resilience and failover. Build capabilities that meet the needs of a highly available financial-services application. DevOps and CI/CD ResponsibilitiesBuild and maintain automated build, test and deployment pipelines for Digital Assets application and API components. Support source control, branching, artifact management and release management. Use approved automation and Infrastructure as Code practices to configure infrastructure and applications. Build, scan, deploy and administer containerized application components. Keep configurations controlled across development, test, pre-production and production environments. Integrate automated application tests into delivery pipelines. Add application health checks and deployment validation. Support rollback and recovery functions. Assist with application and environment provisioning. Assist with production releases and configuration management. Diagnose application, API, data, infrastructure and integration failures. Work with enterprise DevOps, cloud and platform teams to align the Digital Assets platform with KeyBank standards. Security and API Controls Establish secure authentication and authorization for internal and external APIs. Apply approved OAuth and JWT patterns where applicable. Connect applications to KeyBank's identity and access-management capabilities. Enable service-to-service authentication across Digital Assets application components. Use approved KeyBank capabilities to protect credentials, API keys, certificates, encryption keys and other application secrets. Support data encryption in transit and at rest in line with enterprise standards. Establish audit logging for applications, security and transactions. Follow secure API and application-development practices. Support appropriate separation of duties and controls over privileged access. Collaborate with Cybersecurity, Architecture, Risk and application teams from solution design through implementation and production readiness. Monitoring and Production Support Establish monitoring for Digital Assets applications, APIs and integrations. Create operational logs that make Digital Asset transaction processing visible. Support end-to-end transaction correlation across Layer 0, KeyBank's Digital Assets application, Layer 2 and Layer 3.Build monitoring and alerts for failed or delayed Digital Asset integrations. Implement appropriate health monitoring for APIs and application services. Help address production incidents affecting APIs, application services, cloud infrastructure, databases and external-provider integrations. Support capabilities for reconciliation and exception management. Assist with application recovery and controlled transaction replay. Create and maintain technical documentation, operating procedures and production runbooks. Contribute to production-readiness reviews. Provide production or on-call support as required. Data and Operational Store ResponsibilitiesBuild integrations between the application and the Digital Assets operational data store. Support the data needed to track Digital Asset transactions across their lifecycle. Implement transaction identifiers and correlation to support monitoring, reconciliation and troubleshooting. Define application data requirements with database and data-platform teams. Establish secure access between GCP-hosted services and the operational data store. Support the Digital Assets application's transaction-state, reference-data and configuration requirements. Contribute to data-retention, recovery, resilience and performance design as required by the application architecture. Required Knowledge and Experience Bachelor's degree in Computer Science, Engineering or Information Systems, or equivalent technical experience. Experience building enterprise applications, APIs and RESTful integrations. Experience designing distributed, public-cloud applications, preferably on Google Cloud Platform. Experience building or supporting containerized applications. Experience with CI/CD and automated software delivery. Experience with relational databases and operational data stores. Experience integrating applications through APIs, messaging, events, webhooks or file-based interfaces. Experience with application security, authentication, authorization, secrets and key management. Experience supporting production applications and diagnosing distributed application and integration issues. Strong software-development, problem-solving, analytical and diagnostic skills. Strong written and verbal communication skills. Ability to collaborate across architecture, cloud, infrastructure, cybersecurity, application-development and external-provider teams.