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Backend Java Developer [Remote, NO C2C]

Engineering | Remote | Full Time and Contract

Job Description

JOB TYPE: Freelance, Contract Position - No agencies (See notes below)

LOCATION: Remote (Must be US citizen/permanent resident to apply)

HOURLY RANGE: Our client is looking to pay $85 - $110 USD / HR

ESTIMATED DURATION: 40Hrs/Week - long-term, ongoing project


Braintrust ( is a user-controlled talent network, where you keep 100% of what you earn and actually get to own the platform. We've been onboarding some big clients and specifically need a Backend Java Developer for our client.  



Our client is looking for a Backend Developer to build Server to Server API integrations with third party data sources, Build and Performance tune Java/Springboot APIs and Database for first party data, AWS Infrastructure Automation. Big data stream and machine learning data pipelines.

The APIs built to scale and tested from the start (all existing APIs are fully unit tested / load tested). Infrastructure structured in a modular fashion for quick replication, deployment, and scaling.

This is a security-first architecture. Solving Interesting scale problems (Millions of rows per user per year) for APIs, Database transactions, offline analytics, Pattern matching, and Machine learning. 



  • API Integration with third party data sources
  • API design and implementation for Cross User Communication
  • Performance Tuning & increase automated test coverage 


  • Java
  • SpringBoot
  • AWS
  • Experience with highly scalable distributed architectures
  • Modular Design
  • Automated/Unit Testing
  • Big Data technologies
  • Machine Learning frameworks


Qualified candidates will be invited to do a screening interview with the Braintrust staff. We will answer your questions about the project, and our platform.  If we determine it is the right fit for both parties, we'll invite you to join the platform and create a profile to apply directly for this project.  

C2C Candidates: This role is not available to C2C candidates working with an agency. If you are a professional contractor who has created an LLC/corp around their consulting practice, this is well aligned with Braintrust and we’d welcome your application.  

Braintrust values the multitude of talents and perspectives that a diverse workforce brings. All qualified applicants will receive consideration for employment without regard to race, national origin, religion, age, color, sex, sexual orientation, gender identity, disability, or protected veteran status.