Senior Software Engineer

Thiago Lins

Ruby on Rails · Backend & Cloud Infrastructure · 10+ years building high-availability systems at scale

Open to relocation · Visa sponsorship
Maceió, Brazil thiago.evandson@gmail.com github.com/kidush LinkedIn

Profile

Ruby on Rails engineer with 10+ years of experience building high-availability APIs and cloud infrastructure at scale. Proven track record at PayPal, Equinix, and TrustLayer — delivering measurable performance gains, leading complex API migrations, and integrating third-party systems in high-demand environments. Experienced with DevOps practices, CI/CD pipelines, and distributed systems.

Experience

Sr. Software Engineer Oct 2025 – Present
TrustLayer
  • Architecting the integration layer between the core TypeScript application and external third-party insurance and compliance providers.
  • Building and maintaining a Ruby on Rails middleware service for seamless cross-system communication, using Temporal for workflow orchestration.
  • Managing data integrity across dual-database environments (MongoDB + PostgreSQL) in high-throughput compliance workflows.
Ruby on RailsTypeScriptReactTemporalSidekiqMongoDBPostgreSQL
Sr. Software Engineer Jan 2025 – Oct 2025
PayPal (Contractor)
  • Core Disputes team: owned end-to-end management and resolution of chargeback cases across the PayPal/Braintree platform.
  • Built Datadog observability dashboards to track chargeback volumes, dispute states, and platform health metrics.
Ruby on RailsDatadogBraintree
Sr. Software Engineer Apr 2024 – Jan 2025
Equinix
  • Maintained Core Services Infrastructure APIs serving internal and external customers under demanding SLAs.
  • Improved API throughput by 10% via Ruby JIT compilation and Rails version migration.
  • Planned and executed a zero-downtime Rails API version migration across a high-traffic service.
GoRuby on RailsTerraformGraphQL
Sr. Ruby Engineer Nov 2021 – Apr 2024
Turing.com (Equinix)
  • Embedded in the Equinix bare metal cloud team, ensuring stability and peak performance of the core infrastructure API.
  • Collaborated with globally distributed teams to maintain cloud-grade reliability for external customers.
GoRuby on RailsTerraformGraphQL
Ruby Developer Jun 2021 – Nov 2021
Applaudo Studios
  • Built Strainer, an internal platform for evaluating developer skills during hiring.
  • Developed the SXSW Chat app with real-time messaging via GetStream.
Ruby on RailsSidekiqRedisPostgreSQLReactJSDocker
Software Developer Apr 2015 – Jun 2021
Safety System Technology
  • Full-stack contributor to Safety Care, a telehealth application on AWS — from architecture through production.
  • Built SafetyID, a facial recognition system for document verification using Python + Ruby, deployed on Rancher/AWS.
Ruby on RailsPythonPostgreSQLAWSDockerRancher
Full-Stack Developer Apr 2018 – Jan 2020
Spocket Co. (Part-time)
  • Owned WooCommerce integration development and maintenance for the Spocket platform.
Ruby on RailsRedisSidekiqPostgreSQLPHPVue.js