Senior Fullstack Engineer – ecommerce platform

Labviva; Boston (MA); Hybrid; USD 165,000 - 180,000; Full time

Job summary

Labviva, a growing e-commerce marketplace for scientific products, seeks a Senior Fullstack Engineer to advance the core purchasing platform for researchers and suppliers. In this role you will shape end-to-end solutions, with focus on security, maintainability, and performance across frontend and backend components.

You’ll contribute to search, data pipelines, integrations, and analytics features, collaborating with cross-functional teams.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• Minimum of 6 years of professional software development experience.
• History of leading initiatives and delivering stable, scalable products.
• Experience owning technical and functional areas and collaborating with stakeholders.
• Ability to drive enterprise-grade features using modern technologies.
• Strong frontend expertise and supporting infrastructure development.

Responsibilities

• Act as technical lead for new features and platform enhancements.
• Mentor teammates and collaborate with cross-functional stakeholders.
• Advocate for best practices and modern tech to improve product and developer experience.
• Ship daily code across frontend, backend, and integrations.
• Build frontend components and architecture to support user tasks on the site.
• Develop backend services and data pipelines to power the marketplace.

Skills

6 years experience

enterprise web apps

technical ownership

collaborative team player

Education

Bachelor’s Degree in Computer Science, Engineering, or related field

Tools

Next.js

React

TypeScript

Node.js

Nest.js

TypeORM

PostgreSQL (Aurora)

Kafka

Kubernetes

Docker

Elasticsearch

Cursor

Claude Code

Job description

About the role

Labviva’s marketplace is a two-sided e-commerce platform which allows enterprise clients to connect their scientists and laboratory administrators to millions of scientific products offered by a variety of different vendors.

As aSenior Fullstack Engineer for the e-commerce PlatformTeam, you will help advance our core purchasing platform to provide a modern e-commerce experience specifically tailored for scientific users. This includes allowing scientists to search millions of data rich records when ordering equipment, chemicals, and lab consumables while providing suppliers with rich analytics about marketplace behavior.

You are a fit for the role if you enjoy creating comprehensive end-to-end solutions within a collaborative environment. Experience with e-commerce platforms or enterprise web applications is a plus. You are thoughtful in your approach to design and engineer solutions that meet business demands while optimizing for system health, security, and long-term maintenance.

Location: Boston Headquarters at 239 Causeway Street, Suite 500, Boston, MA. This is a hybrid role 3 days a week in the office (Tues,Wed,Thurs).

Note: Only considering applicants that reside in the greater Boston, Massachusetts area.

How You Will Contribute

• Act as a technical lead for various initiatives including designing and implementing new features and advancing the technologies our platform uses
• Mentor, support, collaborate with, and learn from other members of the team as well as other key stakeholders across the company
• Contribute to an engineering culture of shipping great products. Advocate for new technologies, methods, best practices and solutions (technical and non-technical) that improve our product and work experience
• Ship new code on a daily basis covering the following areas:
• Frontend features, components, designs, and general architecture supporting everything a user needs to do on our site
• Backend services supporting the entire marketplace including interfacing with data pipelines and supporting the frontend
• External integrations with third parties including different product information and order placement APIs
• Search infrastructure and optimizations for scientific use-cases

What You Bring To The Team

For this role, you’d be a great fit if

• You have a Bachelor’s Degree in Computer Science, Engineering, or related field (or equivalent experience)
• You have 6 years of experience
• You have a history of tackling large and complex problems and turning them into executable solutions
• You have experience as an owner/SME of technical & functional areas which involve working with key stakeholders to create stable and resilient products that customers use every day
• You know how to forge new paths for enterprise-level green and brown-field projects to create new features utilizing modern technologies
• You are effective at learning and experimenting with new technologies and frameworks
• You have a strong background designing and developing modern frontends and supporting infrastructure
• You have a history of contributing to reliable and scalable software projects

Experience with one or more of the following is a plus

• Elasticsearch ingestion pipelines and search tuning
• Architecting and working in a Service Oriented Architecture environment
• Working with and utilizing AI throughout the SDLC using agentic tools like Cursor and Claude Code
• Deep knowledge of an area of our stack:
• Next.js and React
• Typescript, Node.js, and backend frameworks including Nest.js and Typeorm
• PostgreSQL utilizing Aurora
• Kafka
• Kubernetes and Docker
• E-commerce platform experience
• Procurement for scientific applications

Labviva provides an estimate of the compensation for roles as required by state regulations. Compensation may vary based on factors including, but not limited to, individual candidate experience, skills, and qualifications.

Additionally, Labviva leverages current market data to determine compensation; therefore, posted figures are subject to change as new market data becomes available. The salary, other forms of compensation, and benefits information are accurate as of the date of this posting. Labviva reserves the right to modify this information at any time, subject to applicable law.
Boston Pay Range
$165,000—$180,000 USD