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@chesslover
Flag of Philippines Quezon City, Philippines
Member since June 6, 2017
4 Recommendations

chesslover

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20 years architect/developer experience, mostly with universal banks, government, and global companies such as Deutsche Bank, SAP Ariba, and Morgan Stanley. Methodologies: Clean code, cloud microservices, "The Twelve-Factor App" ([login to view URL]), serverless, ReactiveX, BFF API Pattern, API-first (Swagger/OpenAPI), Agile, TDD. Top skills: Go/Golang, gRPC, protobuf Vue, Nuxt, Quasar MicroProfile, GraalVM Micronaut, Quarkus, Dapr Kotlin, Vert.x, TornadoFX Scala, Play!, Akka, Scalatags .NET Core/C#, Razor Pages, Ocelot, IdentityServer4 LoopBack v4, Moleculer JS, Svelte ES6+ JavaScript/TypeScript, Node.js Docker, Kubernetes Blockchains, Cryptocurrencies, Smart Contracts NoSQL (Apache Cassandra, MongoDB, Elasticsearch, Redis, Firebase) LDAP (OpenDJ, OpenLDAP, AD) SQL Cloud: AWS: Kubernetes, Lambda, API Gateway Microsoft Azure, AKS, Azure Functions GCP, GKE, GCP IoT Core Historical: Groovy, Grails, GSP React, Angular, Meteor Java EE, Spring Boot JHipster, CUBA Platform, Vaadin
$40 USD/hr
11 reviews
6.3
  • 100%Jobs Completed
  • 85%On Budget
  • 85%On Time
  • 6%Repeat Hire Rate

Portfolio

Recent Reviews

Experience

Java/Go E-commerce and Microservices Developer

May 2018 - Dec 2018 (7 months)

Multi-tenant, multi-channel e-commerce ERP+CRM system in Java EE (EJB3+) with Vaadin frontend and microservices in Go, calling them from EJBs via gRPC and protobuf. Database in PostgreSQL and hosted in JBoss/WildFly.

Contributing Blockchain/Cryptocurrency Consultant

Aug 2017 - Dec 2018 (1 year)

DApps and smart contracts developer mainly concentrating on Ardor, Nxt, Stellar, Ethereum, IPFS, Mobius, and VeChain. Also provided research studies into DApp models and ICOs.

Full-stack Java E-commerce and Microservices Architect/Developer

Jan 2017 - Jun 2017 (5 months)

Multi-channel seller integration (eBay, Amazon, etc.) software-as-a-service (SaaS) on JHipster, Spring Microservices, JHipster Registry, Angular 2, Bootstrap, Metronic admin theme, Webpack, SASS, Gradle, Apache Cassandra, Docker, Docker Compose, Docker Swarm, Akka clusters, RancherOS, and Amazon Web Services.

Java Developer

Dec 2015 - Feb 2017 (1 year)

* Lead SCIM (System for Cross-domain Identity Management) Developer. * Shibboleth SAML 2.0 IdP upgrade from v2 to v3 - upgraded Gluu’s IdP to the latest v3 version with backward compatibility to v2. * Gluu Server migration from v0.1 to v2.4.2 - Developed the migration strategy and helped the client (Toshiba) upgrade libraries and create use case unit tests in OpenID Connect and SCIM. Wrote the Groovy script that migrated the OpenDJ LDAP delta schema and data.

Education

Bachelor of Science in Electronics and Communications Engineering

1993 - 1998 (5 years)

Qualifications

Certified Electronics and Communications Engineer (1998)

Professional Regulation Commission, Republic of the Philippines

Board passer, November 1998 Licensure Examination

Publications

Huawei SDP/SAG Training Manual (2012)

Manual I wrote for the two-week training I also conducted on Huawei's Service Delivery Platform (SDP) / Service Access Gateway (SAG), a Java and C++ OSGi-based framework implementing GSM (Global System for Mobile) Parlay X / OneAPI, for the biggest telco provider in the Philippines.

Certifications

  • Preferred Freelancer Program SLA
    87%
  • US English Level 1
    85%

Verifications

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