66degrees

Backend Engineer – Contract

66degrees

contract

Posted on:

Location Type: Remote

Location: Remote • 🇺🇸 United States

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Job Level

Mid-LevelSenior

Tech Stack

JavaKotlinSOAPSQL

About the role

  • Design, develop, and maintain backend services and integrations using Java or Kotlin (strong Kotlin preferred).
  • Work extensively with complex SQL queries, stored procedures, and database structures to ensure efficient data flow between applications and databases.
  • Support and enhance SOAP-based APIs that form part of critical integration layers.
  • Analyze, debug, and optimize existing backend logic for performance and scalability.
  • Collaborate with cross-functional teams to ensure seamless integration, testing, and deployment.
  • Communicate effectively with client stakeholders, ensuring transparency, clarity, and timely delivery.

Requirements

  • 5–9 years of professional experience in backend engineering.
  • Expertise in Java or Kotlin (proficiency in Kotlin preferred).
  • Advanced SQL and database querying skills — capable of reading and debugging dense SQL code.
  • Hands-on experience with SOAP-based APIs and related integration frameworks.
  • Solid understanding of data flow, database architecture, and backend application performance.
  • Excellent client management and communication skills.
  • Ability to work independently in a distributed, remote setup (EST or CST hours).
  • Immediate availability (project already underway; 2–3 weeks notice maximum).

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
JavaKotlinSQLSOAPAPIsdatabase queryingbackend engineeringperformance optimizationdata flowdatabase architecture
Soft skills
client managementcommunicationcollaborationindependencetransparencyclaritytimely delivery