Ramp-Ready Tech Lead: Java, C++, Enterprise Integration

ANTHONY OHA

Tech Lead Developer Java + C++ + Enterprise Integration + Workflow + ACL Teamcenter PLM Ramp-Ready Houston, TX +1-304-***-**** **************@*******.*** linkedin.com/in/anthony-oha-1202183b6 US Citizen PROFESSIONAL SUMMARY

Tech Lead Developer with 12+ years architecting, building, and supporting enterprise Java and C++ applications across regulated and engineering-adjacent environments. Deep tenure in Java + Spring Boot + JEE + JAX-WS + SOA web services, C++ systems programming, XML + SQL + workflow + ACL design, enterprise system integration, and technical leadership of development teams. Ramp-ready on Siemens Teamcenter PLM platform (ITK + RAC + SOA + BMIDE + Active Workspace) via direct transferability from Java + JEE + workflow + access-control + enterprise-integration foundations. Strong on code reviews, mentoring junior + mid-level developers, troubleshooting + RCA, and collaborating with cross-functional stakeholders to design scalable solutions. Comfortable with ERP + CAD + enterprise-application integration patterns. US Citizen, 100% remote ready, comfortable with distributed and remote team environments. ELIGIBILITY + PLATFORM RAMP NOTE

US Citizen Houston, TX 100% remote ready comfortable with distributed + remote team environments. Platform note: deep Java + Spring Boot + JEE + C++ + enterprise integration + workflow + ACL tenure; ramp-ready on Siemens Teamcenter PLM

(ITK + RAC + SOA + BMIDE + Active Workspace) via direct transferability from Java + JEE + XML + SOA + workflow + access-control + enterprise-integration foundations. TECHNICAL SKILLS

Teamcenter PLM (Ramp-Ready):Teamcenter ITK (C++ integration toolkit), RAC (Rich Application Client), Teamcenter SOA

(services + clients + bindings), BMIDE (Business Modeler IDE), Active Workspace (AWC); ramp-ready via Java + JEE + XML + workflow + ACL transferability Java + JEE: Java 8 / 11 / 17 / 21, J2EE / Jakarta EE, Spring Boot, Spring Security, Spring MVC, Hibernate

/ JPA, Maven, ANT, JEE servlets, JAX-RS + JAX-WS

C++: C++11 / 14 / 17 / 20, STL, RAII, smart pointers, systems programming + native extensions + JNI bridges, CMake, GoogleTest, valgrind

Web Services + SOA: SOAP (JAX-WS + Apache CXF + Axis2), WSDL + XSD + XSLT, REST (JAX-RS + Spring MVC), OpenAPI 3.x, service-oriented architecture patterns + contract-first design Enterprise Integration: ERP integration (SAP + Oracle ERP + Microsoft Dynamics), CAD integration patterns (CATIA

+ NX + Creo awareness via PLM ecosystem), middleware (MuleSoft + Apache Camel + Spring Integration)

Workflow Development: Workflow design + automation across enterprise platforms, BPMN-style process modeling, state machines, approval routing + escalation + delegation patterns Access Control (ACL): Role-based access control (RBAC) + attribute-based access control (ABAC), claims-driven authorization, group + role + permission hierarchy, audit-trail enforcement XML + Data Formats: XML, XSD, XSLT, JAXB, Jackson, Gson, JSON Schema, Protobuf, Avro, fixed-record + structured-data interchange

Build + Tooling: Maven (primary), ANT, Gradle, CMake (for C++), multi-module reactor builds, repository tooling (Nexus + Artifactory), CI/CD pipelines

Databases: Oracle 11g / 12c / 19c, SQL Server, PostgreSQL, MySQL, DB2, advanced SQL + stored procedures + triggers + query tuning + EXPLAIN PLAN App Servers + Hosts: WebSphere ND awareness, Tomcat, JBoss / WildFly, Liberty, Jetty, Linux (RHEL + Ubuntu + CentOS) + Windows Server admin

Cloud + DevOps: AWS (ECS + Lambda + RDS + S3), Azure (Entra ID + Key Vault + App Service), Docker, Kubernetes, Git + GitHub + GitLab + Azure DevOps CI/CD, Jenkins, Terraform Technical Leadership: Code reviews + architectural decisions + trade-off analysis + technical mentorship of junior + mid-level developers + best-practice authorship + dev-standard enforcement Troubleshooting + RCA: Diagnose + resolve complex technical issues, distributed-tracing-first debugging, RCA + post-mortem authorship + corrective-action tracking, performance + reliability + security tuning System Upgrades + Migrations: Strangler-fig migrations, dual-write + dual-read, feature flags, schema evolution, version upgrades + platform modernization + zero-downtime cutover patterns AI-Assisted Dev: Cursor + Claude Code + GitHub Copilot, validates + refines AI output, integrates AI into daily engineering workflow

Methodology: SDLC + Agile + Scrum + waterfall hybrids, sprint planning + grooming + retros, ADRs + documentation discipline, cross-functional + cross-time-zone collaboration PROFESSIONAL EXPERIENCE

Tech Lead Developer (Java + C++ + Enterprise Integration + Workflow + ACL + Teamcenter Ramp-Ready) METECS Aug 2020 - Present

- Led development, customization, and support activities for enterprise Java + C++ applications across regulated and engineering-adjacent customer engagements: Spring Boot + JEE + JAX-WS + JAX-RS + Maven + ANT + C++ systems programming + Linux + Windows Server hosts.

- Designed and developed solutions using JEE + SOA + XML + workflow patterns transferable directly to Teamcenter ITK (C++ integration toolkit) + RAC (Rich Application Client) + SOA + BMIDE (Business Modeler IDE) + Active Workspace (AWC). Ramp-ready on Teamcenter PLM platform via Java + JEE + workflow + ACL + enterprise-integration foundations.

- Customized workflows, access controls, and business processes to meet organizational requirements across customer deliveries: RBAC + ABAC + claims-driven authorization, group + role + permission hierarchies, audit-trail enforcement, approval routing + escalation + delegation patterns.

- Enhanced enterprise data models and implemented scalable solutions through dimensional modeling + schema evolution + version upgrades + zero-downtime cutover discipline.

- Developed and maintained integrations between enterprise applications and ERP / CAD / other business systems: SAP + Oracle ERP + Microsoft Dynamics ERP awareness + CAD + PLM ecosystem integration patterns via REST + SOAP + JAX-WS + middleware (MuleSoft + Apache Camel).

- Provided technical leadership and guidance to development teams: code reviews + architectural decisions + trade-off analysis

+ technical mentorship of junior + mid-level developers + best-practice authorship + dev-standard enforcement.

- Diagnosed and resolved complex technical issues: distributed-tracing-first debugging + RCA + post-mortem authorship + corrective-action tracking + performance + reliability + security tuning.

- Supported system upgrades, migrations, and implementation activities: strangler-fig migrations + dual-write + dual-read + feature flags + schema evolution + version upgrades + platform modernization.

- Collaborated with stakeholders to identify root causes and implement long-term solutions; ensured application stability, security, and performance across customer production environments.

- Daily delivery with Cursor + Claude Code + GitHub Copilot. Validated + refined AI output through code review + JUnit + integration tests + Pact contracts.

Senior Java + Enterprise Integration Developer (Java + JEE + SOA + Workflow + Mentorship) Gorgias Jul 2020 - Aug 2022

- Built Spring Boot + JEE web applications + SOAP web services + REST APIs for SaaS workloads serving high-volume B2C and financial-services-adjacent customers. Exposed services via JAX-RS + JAX-WS + Apache CXF for legacy partner integration.

- Built workflow + ACL discipline across enterprise applications: RBAC + claims-driven gating + audit-trail enforcement + approval routing + escalation + delegation patterns for customer-facing surfaces.

- Built enterprise integrations: ERP awareness (SAP + Oracle ERP + Microsoft Dynamics) + CRM (HubSpot + Salesforce) + payment + e-signature + messaging partner systems via REST + SOAP + webhook + middleware.

- Led technical discussions in sprint planning + backlog refinement + retros, conducted code reviews, and mentored junior + mid-level developers on Java + Spring + SOA + workflow + ACL patterns.

- Held CI/CD discipline on GitHub Actions + Jenkins with unit + integration + contract testing (JUnit 5 + Mockito + Pact + Testcontainers). Adopted GitHub Copilot + early Cursor + Claude tooling.

- Authored ADRs + design docs + onboarding playbooks. Daily Agile + Scrum cadence + cross-functional stakeholder partnership.

Java + C++ Software Engineer (JEE + SOA + Workflow + Multi-Client Enterprise Integration) Icalia Labs Jun 2017 - Jul 2020

- Built Java + JEE + C++ applications across multiple client engagements including manufacturing + engineering + financial services + healthcare customers: Spring Boot + JEE servlets + JAX-RS + JAX-WS + Maven + ANT + C++ systems programming + JNI bridges where required.

- Built workflow + ACL design across client enterprise platforms: BPMN-style process modeling + RBAC + ABAC + group + role

+ permission hierarchy + audit-trail enforcement + approval routing.

- Built integrations across client enterprise platforms: ERP (SAP + Oracle ERP + Microsoft Dynamics) awareness, CAD-adjacent integration patterns via PLM ecosystem partner work, CRM + middleware + partner-trading systems.

- Worked Oracle + SQL Server + DB2 + PostgreSQL + MySQL backends, authoring stored procedures + triggers + complex SQL + query-plan tuning.

- Deployed Java enterprise applications across WebSphere awareness + Tomcat + JBoss + Liberty for client production engagements. Familiar with EAR / WAR packaging + datasource + JNDI + connection-pool configuration.

- Mentored junior engineers + contributed to the consulting practice's Java + C++ + JEE + SOA + workflow engineering standards.

SELECTED JAVA + C++ + ENTERPRISE INTEGRATION + WORKFLOW PROJECTS

- Enterprise Workflow + ACL Platform (METECS): designed and built a Spring Boot + JEE workflow engine with BPMN-style process modeling + RBAC + claims-driven authorization + audit-trail enforcement + approval routing + escalation + delegation, directly transferable to Teamcenter workflow + ACL customization patterns.

- SOA Web Services Library (METECS): authored a reusable Java + JAX-WS + Apache CXF + JAX-RS SOA library covering SOAP + REST + WSDL + XSD + XSLT integration patterns. Transferable directly to Teamcenter SOA + integration design.

- C++ Systems Programming + JNI Bridges (Icalia Labs): built C++11 / 14 / 17 systems programming components + JNI bridges + CMake build pipelines for client engagements requiring native performance + Java interop. Pattern transferable to Teamcenter ITK (C++ integration toolkit) customization.

- Enterprise Integration Library (Gorgias): built a reusable Spring Boot + Apache Camel + Spring Integration library covering REST + SOAP + webhook + ERP + CRM partner integration patterns. Transferable to Teamcenter enterprise application integration design.

- Technical Leadership + Mentorship Program (METECS): led code reviews + mentored junior + mid-level engineers on Java + Spring + JEE + SOA + workflow + ACL patterns. Authored ADR templates + onboarding runbooks + design-doc conventions that scaled across teams.

- Multi-Platform System Upgrade + Migration (METECS): led system upgrade + migration projects using strangler-fig + dual-write + dual-read + feature flags + schema evolution + zero-downtime cutover patterns. Preserved audit trails + partner contracts + production reliability throughout.

EDUCATION

Bachelor of Science, Computer Science

University of California May 2012

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