What we do

Grow your team with API experts

We provide world-class software engineers specializing in APIs that integrate seamlessly with your team and company.

We specialize in OpenAPI, JSON Schema, API Design, RPC, GraphQL, HTTP, REST. We can build anything from backends and libraries to complex front-end applications such as API Design tool.

Backend Engineers

OpenAPI, Docker, NodeJS, GraphQL, Postgres, ExpressJS, Kubernetes,OAuth - we know all you need to build a solid foundation for your API product.

Frontend Engineers

Great products need a jaw dropping, high performing UIs. React, Vue, Angular, NextJS and Electron are just some of the tools we use to build delightful apps.

Quality Engineers

Our quality engineers can work in the "Move Fast and Destroy Things" mode as well build sustainable processes when you need to get things under control.

Team Leaders

With experience in leading teams of exceptional individuals distributed across oceans we will help you make remote work as natural as breathing.

Team Immersion

We blend into your team and become an integral part of your company.

A dedicated team inherits your workflows and culture while adding a unique 11Sigma flavor.

This engagement means: no project-switching between clients, a dedicated hiring process aligned with your unique values, common standards, joint events in cool venues and lots of other goodness!

We will help you build

API as a Product

API tooling product

Internal APIs

What makes us unique

100% API

We are the first company focused entirely on providing API experts. That focus allows us to provide top-notch service.


Our company and team is 100% remote and distributed. We have years of experience working remotely and know how to do it well.

Scalable Model

Start small with even one person on board & hire for as long as you wish. Each contract has 1 month notice period - simple as that.


Our 'navy seal' hiring process is adjusted to your unique needs. Only 3% best candidates pass to final stages and each hire goes through a monthly onsite onboarding.

Startup Focus

Our distinct know-how and experience in working with startups allow us to know exactly what type of engineers they need to push things forward.


We have a mentoring programme promoting 11Sigma enigneers' self-growth and self-branding in tech and beyond.

Team Immersion

Our original engagement model that focuses on embedding enigneers in your company so that they feel natural part of your team not a 'soldier-of-fortune'.

Values & Culture

Our core values: explore, contribute and be free define what we do. We are not just a tech company, we are curious engineers that keep discovering the world and solve challenging problems.

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