Companies
S
Spara
Spara builds enterprise-grade AI agents that engage, qualify, and convert sales leads into revenue. We're solving a complex, high-impact sales problem ($28B market) through sophisticated multi-modal interactions, leveraging leading-edge foundation models across multiple providers (OpenAI, Anthropic, Meta, Google...). We're an experienced, tight-knit team backed by Radical Ventures & Inspired Capital, with support from AI luminaries including founders of PyTorch and Google Cloud TPU. Our tech stack includes FastAPI/Python, React/TypeScript/Tailwind, Postgres/pgvector, Google Cloud, Docker, and GitHub Actions.
See 4 careers from Spara

Spare
Spare makes tools for transit agencies to run on-demand and accessible transit services.
See 1 career from Spare

Spark AI
We’re Spark, building an AI research tool to help deploy solar farms and battery plants faster. We build AI agents that help large energy developers find and understand critical information to develop and invest in energy projects.
See 1 career from Spark AI

Speakeasy
Speakeasy builds tools to enhance the API developer experience, including production-quality automatically-generated interfaces for companies' APIs such as SDKs and Terraform providers. Their mission is to assist teams in distributing their APIs to developers while handling the complex aspects.
See 3 careers from Speakeasy

Speakeasy
At Speakeasy we craft developer experiences with care for our customers. We have a suite of products focused on helping teams distribute their products. We build an API platform that helps teams generate and maintain high quality SDKs, Terraform Providers, and CLIs for their users by leveraging OpenAPI.
See 2 careers from Speakeasy
S
Spec
Spec is redefining how the world's largest brands fight online fraud. Our first-of-its-kind technology detects a cybercrime by scanning Internet traffic in motion, enabling online ticketers, retailers, and marketplaces to proactively identify fraudulent users and bots.
See 1 career from Spec

SpecStory
We're a small, venture-backed team building for the future of AI-assisted development. We're building tools that preserve your AI-chat history and specs alongside code, so nothing gets lost and you create betting agent first software.
See 2 careers from SpecStory

Speckle
At Speckle, we’re on a mission to shake up the AEC (Architecture, Engineering, and Construction) industry by building the OSS data layer for AEC to operationalize how the built environment industry works with data and automation. Our platform powers workflows on billion dollar projects at leading firms like Suffolk, Multiconsult, Pomerleau, and Stantec.
See 2 careers from Speckle

Spectral
Spectral develops technical solutions that help propel the evolution of smart energy networks. We are involved across the whole grid, whether it's a community, building, energy farm, neighborhood, or all at the same time! Some areas we focus on include: improving asset efficiency, unlocking the value of energy storage, facilitating demand flexibility, and locally produced renewable energy. We believe that one of the most urgent issues of our time is the challenge of providing for our energy needs in a sustainable way.
See 2 careers from Spectral

Spectrum Effect
Spectrum Effect’s mission is to tackle the most challenging and costly problems in the wireless industry through innovation and automation. Our team is passionate about building disruptive technologies, engineering with excellence, and delivering substantial value to our customers. Backed by 30 patents and deployed globally by leading mobile operators, our Spectrum-NET software provides automated, ML-driven analysis of radio access networks. It’s a cloud-native, horizontally scalable solution based on a Kubernetes-orchestrated microservices architecture.
See 1 career from Spectrum Effect