J

Justin Canas

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Sacramento, California, United States

Contact Justin regarding: 
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Full-time jobs
Starting at USD140K/year

Timeline


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Résumé


Jobs verified_user 0% verified
  • Aledade
    Senior Software Engineer
    Aledade
    Nov 2024 - Current (1 year 6 months)
    • Architected & shipped core modules of Aledade's cloud-native population-health platform that now supports 2,400+ practices and 2.8 M patient lives across 46 states, while meeting strict HIPAA and SOC-2 controls. • Designed a FHIR-based gateway that ingests HL7-v2 and FHIR R4 data from >20 EHR vendors (Epic, eCW, Athena, NextGen). Built with Python 3 + FastAPI, AWS Lambda, Kafka, Snowflake; normalizes 500 M+ clinical events / month and cut new-practice onboarding from 10 days to 4 days. • Re-platformed nightly ETL jobs to real-time streaming on AWS Kinesis + Snowflake, shrinking revenue-leak detection latency 24 h → <15 min and recovering an estimated $8 M / year in shared-savings revenue. • Built a React 18 + TypeScript + GraphQL provid
  • Broad Institute
    Senior Full Stack Engineer
    Broad Institute
    Apr 2019 - Oct 2024 (5 years 7 months)
    Jupyter, SQL, GitHub Actions, Jenkins, Terraform • Built Terra, a cloud-native platform managing 80 PB of biomedical data, running millions of workflows, and serving tens of thousands of researchers worldwide. • Engineered an IaaS Scala microservice that provisions multi-cloud resources ( GCP / Azure VMs, GKE / AKS clusters) pre-loaded with a Jupyter Server Docker image for genomics analysis. • Designed, implemented, and tested new features enabling multi-cloud data tenancy and seamless bursting between GCP and Azure. • Drove CI/CD excellence for both the LeonardoJVM service and user Docker images, improving release velocity and platform stability. • Modeled relational schemas (SQL) to track and manage users' cloud environments and quota u
  • UnitedHealth Group
    Senior Full Stack Developer
    UnitedHealth Group
    Jun 2016 - Mar 2019 (2 years 10 months)
    • Led an 8-member scrum team on a flagship initiative that modernized benefit-info access for call-center agents, driving an +18-point boost in Net Promoter Score (NPS). • Pioneered a Virtual-Reality exposure-therapy solution for patients with severe social phobia; presented feature road-map directly to the Chief Medical Officer. • Architected a full-stack web application (React + Go APIs) that lets reps search & navigate insurance documents instantly, slashing average call-handling time. • Designed an automated ETL pipeline (Java, Jenkins) that converted terabytes of Word docs → XML, then loaded them into a MarkLogic NoSQL cluster with keyword indexing.
  • Endicia
    Software Engineer
    Endicia
    Aug 2015 - May 2016 (10 months)
    Java, Spring Boot, Jetty, NGINX, JBoss Drools, Docker, Kubernetes (on-prem), Jenkins CI/CD, Git, Prometheus + Grafana, blue-green deployments, health-check endpoints, horizontal autoscaling. • Built a Java-based microservice that emulated the USPS Shipping API on-prem, eliminating external round trips and delivering immediate performance gains for high-volume parcel processing. • Profiled and tuned the JVM (heap, GC, JIT) to slash average transaction latency from 400 ms to 4 ms—a 100× improvement. • Stack: Spring Boot, Jetty, NGINX, JBoss Drools for dynamic business-rule execution. • Engineered the service to sustain 50–200 requests / sec with zero downtime, meeting stringent industry SLAs through horizontal scaling, health checks, and bl
  • MathWorks
    Software Engineer
    MathWorks
    May 2015 - Aug 2015 (4 months)
    React, Next, Java, Spring Boot, Docker, Kubernetes, Jenkins, React, TypeScript, AWS (EKS, S3), Git. • Contributed to the licensing & identity microservice stack (Java 11, Spring Boot), adding a new token validation endpoint with 92 % unit-test coverage that cut average auth latency ≈20 % in staging. • Dockerized two legacy services and deployed them to an internal Kubernetes (EKS) cluster; reduced manual deployment time from 2 hours to <15 minutes and provided run-books adopted by the DevOps team. • Extended the CI pipeline inJenkins with static-analysis and OWASP dependency checks, catching three critical vulnerabilities before release. • Built a React + TypeScript usage dashboard that visualized real-time API metrics for product manage
Education verified_user 0% verified
  • Worcester Polytechnic Institute
    Bachelor's degree
    Worcester Polytechnic Institute
    Aug 2012 - May 2016 (3 years 10 months)