Elias Berg's Resume

Work Experience

Klaviyo

(Hybrid - Boston, MA)

B2C Marketing & Service

Senior Software Engineer December 2024

Dec. 2024 - Present

Full Stack

Agile SDLC

Typescript

React

Python

Django

AWS

Grafana

Linear

Cursor

Claude

Codex

Developed channel infrastructure supporting real-time customer communication platforms for Klaviyo's Helpdesk/CRM and AI Customer Agent.
Designed and implemented scalable inbound/outbound social messaging pipelines supporting high-volume asynchronous communication workflows for Instagram and WhatsApp.
Lead QA sessions and worked closely with designers, emphasizing quality and UX for brand use of Customer Agent.
Developed a public-facing marketing page to facilitate product-led growth for Klaviyo's AI agent.
Leveraged AI-assisted engineering workflows to accelerate implementation, testing, debugging, and documentation across the SDLC.
MC'ed team meetings and events, including engineering learning sessions and biweekly team demo showcases.
Conducted live code-collaboration interviews for Software Engineering roles below and equal to my level.

OneStudyTeam

(Remote)

Clinical Trial Enrollment

Software Engineer May 2022

➜

Senior Software Engineer April 2024

May 2022 - Nov. 2024

Full Stack (2.5 yrs)

Agile SDLC

Jira

Clojure

PostgreSQL

React

TypeScript

GraphQL

AWS

CircleCI

Git

Cross-team contributor and squad point person for other teams, beyond role expectations.
Led architecture review discussions and contributed technical direction for distributed cloud-based and event-driven systems supporting clinical trial enrollment operations.
Integrated with multiple third party systems, including Salesforce, Cronofy, and Zingtree.
Produced multiple, reusable, functional React components within a shared component library.
Enhanced performance and usability of high-traffic site pages with server pagination and other methods.
Developed and maintained AWS-hosted microservices within a distributed architecture, emphasizing reliability, scalability, and operational excellence.
Learned Clojure from scratch and contributed code within 2 weeks despite a 4-week onboarding expectation.

Epic Systems

(Verona, WI)

Electronic Medical Records

Software Developer I July 2015

➜

Software Developer II Aug. 2019

July 2015 - May 2022

Full Stack (6.8 yrs)

Waterfall SDLC

VB6

MUMPS

Caché

NoSQL

HTML

CSS

JavaScript

TypeScript

SVN

Lab application functional area R&D lead for the result report routing and label printing modules.
Analyzed and designed fixes and enhancements to an InterSystems Caché NoSQL database.
Worked on-site with lab techs and admin staff to establish system specifications and requirements.
Planned projects of limited duration and scope and provided functional area long-term roadmaps.
Marketed current and upcoming development projects with current and prospective customers.
Collaborated with UX designers to revamp end-users activities with heavy emphasis on CSS.
Migrated legacy VB6 code to a modern C#-based MVVC web platform.
Architected and delivered a PII/PHI-safe web printing platform utilizing WebSockets, custom protocol handlers, and AES encryption, for healthcare environments.
Attended multiple different industry conferences as an R&D representative, including Executive War College and
Mentored fellow developers, managed summer interns, and ran a yearly team hackathon.

Additional Skills

Java

C++

MySQL

Go/Golang

JUnit/TestNG

Selenium

Cypress

Jenkins

Docker

Jira

Datadog

Chronosphere

Sentry

LaunchDarkly

Statsig

Swagger/OpenAPI

Azure

Terraform

Kafka

Kubernetes

CloudFlare

Object-Oriented Design

Event-based Architecture

Microservices

REST APIs