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Lead Engineer (React / Typescript)

Loop • New York, US • On-site

$120,000 - $155,000 / YEAR Apply Now
Posted on: 16th March, 2025
Employment Type: Full-time

Job Description

Role Summary

First full-time engineer at Loop, a Seed stage startup based in Brooklyn, NY. Reports directly to the Chief Product and Technology Officer, Chris Fischer.

Loop’s mission is to unlock the power of our professional relationships. The knowledge, opportunity, and collaborative potential inside your network is vast but difficult to access. We are developing mobile and desktop experiences that allow our users to discover, cultivate, activate, and expand their relationships with the use of AI and incredible design.

Loop is based in Brooklyn, NY and we’re ideally looking for a candidate excited for a hybrid (1-2x week) environment out of our DUMBO office.

Learn more about our what we’re building by watching our 2 min product demo!

About You
• You Love solving tough problems: You thrive in designing and building scalable, high-performance systems. As one of the first engineers on the team, you will collaborate closely with our CPTO, other engineers, and product team members to develop solutions that solve new problems using LLMs and proven data processing techniques and delivering an AI forward consumer UX. We’re building something new that hasn’t been done before.
• Independent and Self-Motivated: You’re capable of taking ownership of backend systems but have worked in full stack environments specifically with react / react native. You work autonomously proactively incorporating feedback from stakeholders and customers. You quickly digest information and craft elegant solutions to problems.
• Team-Oriented Collaborator: Based in or near NYC, you value in-person collaboration (flexibly) and are open to work from our DUMBO office as needed. We believe in work flexibility, but also believe in-person collaboration can increase speed, innovation, teamwork, and fun.
• High Output: Your work is high quality but you love to move fast and ship. We’re building a culture of consistent iteration and velocity matters in every role. You are excited to play a pivotal role in helping us stay nimble and moving fast as we launch our first products and grow our team!

Responsibilities
• Drive architecture and development end to end across our mobile and web products.
• Ensure robust and scalable API development, integrating third-party services and handling complex data flows from multiple external and first party sources. There’s a lot of data to deal with and you’re excited to continue learning how to combine this with LLMs to solve problems in a new way.
• Work closely with other engineers and designers to design and implement new features and functionality for our mobile and web platforms.
• Participate in system design discussions, providing insights on best practices and new technologies.
• Monitor, debug, and improve backend performance while keeping an eye on security and privacy of user data.

Qualifications
• 6+ years of experience in backend development, with proficiency in Typescript, Javascript, Python, or similar languages. You also need experience with front end technologies preferably React our front-end stack is React Native (mobile) with Typescript in most other areas today. We likely will add a web or desktop product in the future as well.
• Experience with cloud infrastructure (e.g., AWS, GCP) and containerization (e.g., Docker, etc.) You don’t have to be a devops expert but you feel confident in building and managing a product ready application environment.
• Familiarity with SQL and NoSQL databases specifically AWS variants / services, with experience optimizing for performance and scalability.
• Experience in startup environments is a plus, but we also value strong engineers looking to transition from larger companies into the startup world.
• Must have worked in cross-functional teams, collaborating closely with front-end engineers, product designers, and other stakeholders.

What we offer
• Competitive equity and cash compensation package.
• The opportunity to work directly with founders and make a meaningful impact on an early-stage team.
• Flexible work environment with opportunities for remote work.
• Short interview process, including an interview with co-founders and a portfolio walkthrough.
• Front row seat in building and shaping a world class product and team.

About Us

Loop changes how professionals build authentic and lasting relationships across their career.

Ever have a connection that you don’t remember how you met? Ever lost touch with a close professional contact and wished you had stayed in touch? There’s a reason for these phenomena. The human brain is limited in how many close connections we can remember and contextualize, but our capacity to connect and share is infinite. Loop uses the power of human phycology combined with generative AI and an incredibly beautiful and streamlined UX to help our customers build lasting and relevant relationships over their entire career. In a age where there is so much noise, a solution is needed to help each of us stay in touch, collaborate, contribute to our network and activate opportunities in a focused way. That’s what Loop does and you can be a huge part of it!

How to Apply

Please fill out an application using this form.

If you have anything else you would like us to know feel free to reach out via email - [email protected]

Responsibilities

  • You work autonomously proactively incorporating feedback from stakeholders and customers
  • You quickly digest information and craft elegant solutions to problems
  • Team-Oriented Collaborator: Based in or near NYC, you value in-person collaboration (flexibly) and are open to work from our DUMBO office as needed
  • You are excited to play a pivotal role in helping us stay nimble and moving fast as we launch our first products and grow our team!
  • Drive architecture and development end to end across our mobile and web products
  • Ensure robust and scalable API development, integrating third-party services and handling complex data flows from multiple external and first party sources
  • There’s a lot of data to deal with and you’re excited to continue learning how to combine this with LLMs to solve problems in a new way
  • Work closely with other engineers and designers to design and implement new features and functionality for our mobile and web platforms
  • Participate in system design discussions, providing insights on best practices and new technologies
  • Monitor, debug, and improve backend performance while keeping an eye on security and privacy of user data

Requirements

  • You Love solving tough problems: You thrive in designing and building scalable, high-performance systems
  • Independent and Self-Motivated: You’re capable of taking ownership of backend systems but have worked in full stack environments specifically with react / react native
  • We believe in work flexibility, but also believe in-person collaboration can increase speed, innovation, teamwork, and fun
  • 6+ years of experience in backend development, with proficiency in Typescript, Javascript, Python, or similar languages
  • You also need experience with front end technologies preferably React our front-end stack is React Native (mobile) with Typescript in most other areas today
  • We likely will add a web or desktop product in the future as well
  • Experience with cloud infrastructure (e.g., AWS, GCP) and containerization (e.g., Docker, etc.)
  • You don’t have to be a devops expert but you feel confident in building and managing a product ready application environment
  • Familiarity with SQL and NoSQL databases specifically AWS variants / services, with experience optimizing for performance and scalability
  • Must have worked in cross-functional teams, collaborating closely with front-end engineers, product designers, and other stakeholders
Loop

Loop

Technology

Location

New York, US

Job Type

Full-time

Benefits

  • High Output: Your work is high quality but you love to move fast and ship
  • Competitive equity and cash compensation package
  • The opportunity to work directly with founders and make a meaningful impact on an early-stage team
  • Flexible work environment with opportunities for remote work
  • Short interview process, including an interview with co-founders and a portfolio walkthrough
  • Front row seat in building and shaping a world class product and team

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