Marcus Carr
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Marcus Carr Email & Phone Number

Senior Software Engineer at Instacart at Instacart
Location: Washington, District Of Columbia, United States 10 work roles 3 schools
1 work email found @instacart.com 6 phones found area 214 and 510 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 6 phones

Work email m****@instacart.com
Direct phone (214) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Senior Software Engineer at Instacart
Location
Washington, District Of Columbia, United States
Company size

Who is Marcus Carr? Overview

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Quick answer

Marcus Carr is listed as Senior Software Engineer at Instacart at Instacart, a company with 501 employees, based in Washington, District Of Columbia, United States. AeroLeads shows a work email signal at instacart.com, phone signal with area code 214, 510, and a matched LinkedIn profile for Marcus Carr.

Marcus Carr previously worked as Senior Software Engineer at Instacart and Senior Software Engineer at Primer.Ai. Marcus Carr holds Ab, Chemistry from Columbia University.

Company email context

Email format at Instacart

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{first}.{last}@instacart.com
89% confidence

AeroLeads found 1 current-domain work email signal for Marcus Carr. Compare company email patterns before reaching out.

Profile bio

About Marcus Carr

Instacart, I lead the development of advanced search features and optimize recipe management systems, leveraging Ruby on Rails and PostgreSQL to enhance system reliability and automate data processes. I am experienced in working with AI models, both in preparing inputs and storing and making searchable the results. My work reflects a strong focus on technical excellence, collaborative problem-solving, and delivering tangible business impact.

Listed skills include Biochemistry, Chemistry, Organic Chemistry, Research, and 32 others.

Current workplace

Marcus Carr's current company

Company context helps verify the profile and gives searchers a useful next step.

Instacart
Instacart
Senior Software Engineer at Instacart
Blue Shield of California Building, 50 Beale St #600, San Francisco, CA 94105, US
Website
Employees
501
AeroLeads page
10 roles

Marcus Carr work experience

A career timeline built from the work history available for this profile.

Senior Software Engineer

Current

San Francisco, CA, US

  • Led development of a key search feature for white-label apps, enabling retailers to inject custom links into search results.
  • Spearheaded a recipe management project on a new platform, overseeing requirements, architecture design, and improving recipe ingestion and ingredient parsing.
  • Migrated recipes and images from a legacy system to a new platform, using GPT-3.5 to align data models and enhance system reliability.
  • Automated data ingestion from S3 buckets, boosting operational efficiency and performance.
  • Developed a real-time product catalog update system with partial cache updates, enhancing data accuracy for retailer inventory.
  • Actively participated in incident management and on-call rotations, improving developer experience.
Apr 2022 - Present

Senior Software Engineer

San Francisco, CA, US

  • Architected and built a data storage and retrieval service for a generalized AI/ML platform using Golang, Elasticsearch, PostgreSQL, enhancing performance and simplifying the API for developers.
  • Led backend development for an AI-based system to identify named entities in text, streamlining data processing with Python, PostgreSQL, Kafka.
Jun 2020 - Apr 2022

Engineering Team Lead

Riffyn
  • Led a team of 3 in developing new features, supporting existing ones, and implementing QA automation to enhance product reliability.
  • Spearheaded the adoption of Go (Golang) to address scalability and data integrity challenges, resulting in a more robust system architecture.
Aug 2019 - May 2020

Software Engineer

Riffyn
  • Led development of key features for Riffyn's main product, focusing on data import, calculations, and search to enhance user experience.
  • Managed calculations engine for complex Excel-like formulas, improving computational efficiency.
  • Implemented server-side sorting and caching in Redis for up to 100x faster page load times, enhancing user interaction.
Jul 2015 - Aug 2019

Software Engineering Intern

Riffyn
  • Developed a structured vocabulary of laboratory materials for experimental design by combining open-source databases in Python.
Feb 2015 - Jun 2015

Scientist

Pleasanton, California, US

  • Developed a groundbreaking metabolic engineering platform for non-model bacteria, advancing bioengineering capabilities.
  • Spearheaded successful grant-writing efforts, securing a $2 million project from the Department of Energy.
  • Provided critical technical insights as a technical advisor for the business development team, shaping key business strategies.
Jan 2014 - Mar 2015

Graduate Student Researcher

Berkeley, CA, US

  • Conducted pioneering scientific research in biochemistry, structural biology, enzymology, and bioinformatics under the guidance of Prof. Judith P. Klinman.
  • Achieved full biochemical characterization of two novel enzyme forms, leading to the initiation of two significant follow-on projects.
  • Established and led two new collaborative research projects with professors at UC Berkeley and Northwestern University, resulting in several publications and advancing interdisciplinary research.
Apr 2008 - Dec 2013

Graduate Student Instructor

Berkeley, CA, US

  • Supervised lab sections for 10-30 students in chemistry and biology courses at UC Berkeley.
  • Graded lab reports, exams, and quizzes to enhance student learning experience.
  • Provided comprehensive academic support to students in organic, inorganic, and general chemistry.
Aug 2006 - Dec 2013

Clinical Researcher

New York, New York, US

  • Managed data for FDA trials and implemented a patient tracking system for scheduling follow-ups in clinical trials.
  • Worked under Assoc. Prof. Robyn J. Barst, MD to ensure trial accuracy and compliance.
Sep 2005 - Aug 2006

Teaching Assistant

New York, NY, US

  • Supervised general chemistry labs and lectures for 20-25 students, ensuring a conducive learning environment.
  • Responsible for grading lab reports and exams, providing constructive feedback to enhance student performance.
  • Conducted weekly recitation sections for 15-20 students, creating and grading quizzes to reinforce learning outcomes.
Jan 2005 - Aug 2006
Team & coworkers

Colleagues at Instacart

Other employees you can reach at instacart.com. View company contacts for 501 employees →

3 education records

Marcus Carr education

Ab, Chemistry

Columbia University

Phd, Chemistry (Biochemistry & Biophysics)

University Of California, Berkeley

Ms, Chemistry

University Of California, Berkeley
FAQ

Frequently asked questions about Marcus Carr

Quick answers generated from the profile data available on this page.

What company does Marcus Carr work for?

Marcus Carr works for Instacart.

What is Marcus Carr's role at Instacart?

Marcus Carr is listed as Senior Software Engineer at Instacart at Instacart.

What is Marcus Carr's email address?

AeroLeads has found 1 work email signal at @instacart.com for Marcus Carr at Instacart.

What is Marcus Carr's phone number?

AeroLeads has found 6 phone signal(s) with area code 214, 510 for Marcus Carr at Instacart.

Where is Marcus Carr based?

Marcus Carr is based in Washington, District Of Columbia, United States while working with Instacart.

What companies has Marcus Carr worked for?

Marcus Carr has worked for Instacart, Primer.Ai, Riffyn, Kiverdi, Inc., and Uc Berkeley.

Who are Marcus Carr's colleagues at Instacart?

Marcus Carr's colleagues at Instacart include Crystal Carpenter, Cilla Lynn, Amanda Jones, Ryan Neff, and Fan Tastik.

How can I contact Marcus Carr?

You can use AeroLeads to view verified contact signals for Marcus Carr at Instacart, including work email, phone, and LinkedIn data when available.

What schools did Marcus Carr attend?

Marcus Carr holds Ab, Chemistry from Columbia University.

What skills is Marcus Carr known for?

Marcus Carr is listed with skills including Biochemistry, Chemistry, Organic Chemistry, Research, Protein Chemistry, Data Analysis, Inorganic Chemistry, and Molecular Biology.

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