CandidatesCAND-92837

Elena Rostova

Public

Senior Full Stack Engineer | React & Node.js Specialist

San Francisco, CA (Open to Remote)

Actively interviewing

OikoHire Readiness

Top 5%

Professional Summary

Detail-oriented and product-driven Senior Full Stack Engineer with over 8 years of experience building scalable SaaS platforms. Proven track record of leading complex migrations to microservices architectures and mentoring junior developers. Passionate about creating seamless user experiences with modern React and robust backend APIs using Node.js and PostgreSQL. Currently seeking a lead or senior role in a fast-paced environment where I can contribute to system design and technical strategy.

OikoHire Technical Assessment

Verified Results

Algorithms & Data Structures92/100

Top 5% of candidates

System Design88/100

Top 10% of candidates

React Proficiency98/100

Top 1% of candidates

Backend API Design90/100

Top 8% of candidates

Experience

Senior Software Engineer

Stripe

Mar 2021 - Present

San Francisco, CA

Led the frontend architecture for a new merchant dashboard, improving rendering performance by 40%. Spearheaded the migration of legacy REST APIs to GraphQL, collaborating closely with backend teams to optimize data fetching. Mentored a team of 4 mid-level engineers, establishing best practices for code reviews and testing.

ReactTypeScriptGraphQLNode.jsJest

Full Stack Developer

Twilio

Jun 2018 - Feb 2021

San Francisco, CA

Developed and maintained core features of the messaging API dashboard used by thousands of developers daily. Implemented real-time communication features using WebSockets. Reduced technical debt by refactoring critical monolithic services into scalable microservices.

ReactReduxNode.jsPostgreSQLDocker

Software Engineer

TechFlow Solutions

Jan 2016 - May 2018

Austin, TX

Built single-page applications for enterprise clients using Angular and later transitioned to React. Integrated third-party payment gateways and CRM APIs. Participated in daily stand-ups and agile planning sessions.

JavaScriptAngularReactExpressMongoDB

Technical Skills

Frontend

ReactTypeScriptNext.jsTailwind CSSReduxGraphQL

Backend

Node.jsExpressPythonPostgreSQLMongoDBRedis

DevOps & Tools

DockerAWS (EC2, S3, RDS)GitCI/CDJestCypress

Projects & Open Source

Odin E-commerce Engine

github.com/erostova/odin

Open-source headless e-commerce backend built with NestJS and PostgreSQL. Features robust authentication, product variant management, and Stripe integration. Used by 50+ active repositories.

NestJSPostgreSQLStripe APITypeScript

CodeSync Real-time Editor

codesync.dev

Collaborative code editor allowing multiple users to edit the same document in real-time. Built leveraging Operational Transformation algorithms and WebSockets for low-latency updates.

ReactSocket.ioNode.jsMonaco Editor

Education

M.S. Computer Science

2014 - 2016

University of Texas at Austin

Specialization in Distributed Systems and Cloud Computing. GPA: 3.8/4.0

B.S. Software Engineering

2010 - 2014

Texas A&M University

Minor in Mathematics. Graduated with Honors.

Recommendations

Elena is an exceptional engineer who consistently delivers high-quality code. Her ability to grasp complex architectural problems and translate them into actionable, elegant solutions is rare. She was instrumental in our frontend migration project and a fantastic mentor to the team.

David Chen

Engineering Manager at Stripe

Working with Elena is a breeze. She has a deep understanding of not just the technical stack, but also the product vision. She constantly pushes back with constructive feedback to ensure we are building the right thing for the user, not just writing code.

Sarah Jenkins

Senior Product Manager at Twilio