Senior Engineer

Join Sincera's engineering team and help build the future of Metadata.

Senior Founding Engineer

Company Overview
Sincera is an innovative startup at theforefront of digital advertising. Our technology collects signal data fromacross the internet that is used by leading adtech companies to create and augmentad products and systems.  Best of all, wenever need to leverage user data. We’re not just prepared for the cookielessfuture, we’re helping to build it.

Sincera datasets are generated using our fleet of Synthetic Users, built atopour graph of industry companies, APIs, and domains.  All of this happens autonomously in thecloud, leveraging state-of-the-art frameworks and languages to deliverunparalleled results.

Position Overview
We are in search of a Senior / FoundingSoftware Engineer who can ship within the current system, but also lead thedesign and implementation of new components within our architecture as weexpand our capabilities.


The ideal candidate has expertise in AWS, hasgood working knowledge of browser and DOM APIs and has designed and builtsystems at internet scale.


Key Responsibilities

  1. Lead the development and deployment of new features with a keen eye for scalability and efficiency.
  2. Collaborate closely with the founders to gather feedback and translate it into new features.
  3. Design and implement new systems, ensuring the integration with our existing architecture.
  4. Work hands-on with AWS services such as EC2, Kinesis, and Firehose to optimize our cloud infrastructure.


  1. Minimum of 4 experience in software development with a strong     emphasis on cloud-based services, preferably AWS.
  2. Proficiency in JavaScript, and familiarity (or a willingness     to learn) Ruby and Python.
  3. Demonstrated experience with AWS services at internet-scale.
  4. Strong analytical and problem-solving skills.
  5. Ability to work both independently and as part of a team.
  6. Excellent communication skills, both written and verbal.

What We Offer:

  1. Competitive salary and equity packages within a collaborative     and inclusive team culture.
  2. Comprehensive benefits including health, dental, and vision.
  3. Remote based employment – work from home!
  4. Opportunities for professional growth and advancement – we’re growing like crazy!


To apply, please send your resume, a brief cover letter, and any relevant portfolio or project links to


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