Mid-level Software Engineer Jobs in Boston, Massachusetts

49 open Mid-level Software Engineer jobs in Boston, Massachusetts at 18 companies, including Amazon, Cisco and Klaviyo. Updated daily from company career pages.

Amazon

Amazon is an e-commerce website for consumers, sellers, and content creators.

Cisco

Cisco develops, manufactures, and sells networking hardware, telecommunications equipment, and other technology services and products.

Klaviyo

Klaviyo is an automation and email platform designed to help grow businesses.

Chewy

Chewy.com delivers pet happiness by conveniently shipping over 500 brands of pet food and goodies for free.

WHOOP

WHOOP is a performance optimization system that tracks athlete recovery, training, and sleeping hours to help boost performance.

11 more open roles at WHOOP

Flywire

Flywire is a global payments enablement and software company that simplifies complex payments for its clients and their customers.

Suno

Suno is a music start-up that enables anyone to make the songs they want.

SimpliSafe

SimpliSafe is a home security company that designs, engineers, and sells cameras, smart lock, and wireless security alarm systems.

ElevenLabs

ElevenLabs is a research company developing AI voice synthesis software for creators and publishers.

CarGurus

CarGurus is an online automotive destination that assists users in contacting sellers and comparing local listings for new and used cars.

Axon

Axon provides electronic control devices to law enforcement and corrections agencies.

Xometry

Xometry is an online marketplace that allows customers to access a network of machine shops and custom manufacturers.

Shield AI

Shield AI is an artificial intelligence company that aims to protect service members and civilians with intelligent systems.

Paperless Parts

Paperless Parts is a manufacturing intelligence company building a new type of marketplace for custom parts.

PathAI

PathAI develops technology that assists pathologists in making accurate diagnoses for every patient, every time.

Immuta

The Immuta Data Security Platform provides sensitive data discovery, security and access control, and data activity monitoring.

Air Space Intelligence

A software-first aerospace company.

Watershed Informatics

Watershed Informatics catalyzes discovery by democratizing access to bioinformatics tools for biologists.

Updated 2026-10-11.