Tomas Celaya

Infrastructure-focused software engineer with 10+ years across platform engineering, software-defined storage, and cloud operations. Built a block-storage provisioning API and led a secrets/certificate-management service in Go at Joyent; currently own observability-as-code, Terraform/Kubernetes reference deployments, and customer escalations for the same platform as a returning contractor. Looking for a senior platform / infrastructure / SRE role where reliability and developer tooling are the product.

Experience

Solutions Architect, Joyent, Inc. (contract via MindSource, Inc.)

Apr 2024 – Present · Terraform · Kubernetes · Grafana · Jsonnet · GitHub Actions · AWS · Python

Migrated Grafana dashboards and alerting for the platform's products to Jsonnet definitions-as-code, deployed through GitHub Actions to 7 environments; eliminated hand-edited dashboard drift.
Built Terraform + Kubernetes + Spark reference deployments that analytics customers used to complete an AWS region migration.
Expanded canary-test coverage and run frequency for existing products, turning canary data into actionable signals for development teams.
Owned customer performance and functionality escalations end-to-end: root-caused with support and engineering, then drove fixes and feature prioritization into the roadmap.
Maintained product documentation and front-page site infrastructure.

Independent Contractor

Jan 2022 – Dec 2023 · Go · JavaScript · Ansible · Consul · Docker · systemd

Built an agent for automatic metrics and error reporting from systemd services, with configurable false-positive suppression and proactive alerting suggestions.
Designed and deployed an offline-first journal/calendar web app with optional sync to a cloud calendar.
Deployed landing page and product catalog for a custom online shop. Additional contracts under NDA.

Software Engineer, Joyent, Inc.

May 2019 – Dec 2021 · Go · Docker · Ansible · AWS · HashiCorp Vault · iSCSI

Architected and implemented the RESTful provisioning API for a multi-AZ pool of software-defined block-storage clusters exposed over iSCSI, serving both VM disks and dedicated block devices.
Led a small team that designed, built, and operated internal secrets management on HashiCorp Vault, then extended it into a public-facing certificate-management service with automatic ELB integration.
Produced architecture documentation and workflow diagrams used to align vendors, clients, and cross-language engineering teams; shipped fixes and enhancements to vendor clients and tooling to accelerate integration.

Software Engineer, Backend, Zero Financial, Inc.

Aug 2018 – Feb 2019 · Python · Django · Java · PostgreSQL · BigQuery · Kubernetes · Helm · Terraform

Designed and implemented the analytics pipeline on BigQuery with Stitch Data ETL, after prototyping a custom ETL path.
Consolidated microservice deployments into unified Helm charts, making full staging environments reproducible.
Added Sentry error reporting to the core financial gateway (jPOS-based ISO 8583 processor).

Product Engineer, Joyent, Inc.

May 2017 – Aug 2018 · Java · Maven · TestNG/JUnit · Triton · Manta · Docker · Jenkins · Terraform

Led development of the java-manta client SDK: new features, mission-critical bug fixes, and associated libraries, owning the full lifecycle from feature requests through QA coordination and artifact publishing.
Fixed correctness issues in streaming client-side encryption by making cipher-state updates transactional.
Established unit-testing patterns and expanded coverage; designed and automated black-box/white-box performance testing of client stacks with Terraform-provisioned environments.

Software Engineer, Backend, Stitch Labs

Mar 2016 – Apr 2017 · PHP/Laravel · Go · Scala · Python · Vitess · Kubernetes · Apache Spark

Enabled a gradual two-week sharded-database migration by implementing dynamic database-connection routing across both primary codebases, with zero customer-facing downtime.
Co-designed an internal event-publishing framework powering webhooks for external partner integrations.
Maintained and enhanced the Spark-based ETL pipeline behind the sales-forecasting feature; championed functional/integration testing for critical code paths.

Earlier

2012 – 2016

Release Engineer, Boku (2016) — weekly clustered-Java microservice releases and release automation.
Web Developer, Ynot Marketing (2014–2015) — Laravel/Angular lead-management platform.
IT / web development, FSU Dept. of Biological Science (2013–2014).
Web Developer intern, Federated Travel (2012).

Skills

Education

Florida State University — B.S. Computer Science, minor in Information Technology · 2014