Senior/Lead Fullstack Developer

Washington, DC

The Polysentry threat monitoring platform provides powerful tools for teams of intelligence analysts to protect their people, facilities, and interests around the world.

Key features of our technology include:

Ingest large volumes of emerging mission-critical information in real-time across both open and classified data sources.

Extract understanding from ingested data with powerful interfaces to find and track emerging threats.

Collaborate with other analysts to produce plans that mitigate those threats.

Our Company:

Polysentry was launched in August 2018. Our offices are in San Francisco and Washington D.C and we are now expanding to Krakow. We’re already a profitable startup and currently servicing customers in more than 8 countries across numerous industries including energy, hospitality, manufacturing, and military.

Our Team:

Our small, tight-knit team is working with React, Elixir, Phoenix, PostgreSQL, and ElasticSearch. If you fancy yourself as an Elixir / Phoenix enthusiast please apply even if you aren’t already an expert.

The Role:

We’re looking for an experienced full stack developer to help us build our new real time intelligence platform to best in class. You’ll work in a small, agile team developing features from conception to release, ensuring they solve user problems effectively. Success will mean hitting quarterly product metrics as a team.


End-to-end ownership of the backend systems that serve as the foundation of the platform: from strategy, through development, and to production.

Collaborate with a small yet extraordinarily talented team of engineers and designers to define the short and long-term vision for the product.

Quickly distill fast-moving product requirements into tangible engineering tasks and feature designs.

Lead code reviews, write automated tests, and optimize your code.

Help provide technical direction working closely with engineering leadership.

Be the lead software engineer in our new Krakow office and possibly establish and grow a local team.


5+ years full stack development experience.

Strong in at least one backend language (Elixir, Java, Ruby, Python, PHP…).

Strong in JavaScript/HTML/CSS with experience in React.js, Angular, or similar.

Experience with PostgreSQL / ElasticSearch (or similar).

Experience in deploying to AWS.

You love to create fantastic user experiences.

Disciplined approach to testing and quality assurance.

You thrive in small, agile teams.

Fluent English.

BSc degree in Computer Science or another relevant area.

Nice to have:

Interest in NLP (Natural Language Processing)