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Backend Engineer, Contract

66degrees is a consulting and professional services firm focused on AI-driven, data-led solutions built on modern cloud technologies. We are hiring a Backend Engineer (Java/Kotlin) for a 90-day contract to support backend integrations, optimize data flows, and enhance backend systems for a retail client. The role is fully remote with occasional optional on-site validation at a nearby Kohl’s store (approximately once per month).

Skills

  • Proficiency in Java or Kotlin (Kotlin preferred).
  • Advanced SQL skills including complex queries and stored procedures.
  • Hands-on experience with SOAP-based API integrations.
  • Experience debugging and optimizing backend performance and data flow.
  • Ability to work independently in a remote, distributed team (EST/CST hours).
  • Strong client-facing communication and stakeholder management.

Responsibilities

  • Design, develop, and maintain backend services and integrations using Java or Kotlin (strong Kotlin preferred).
  • Develop, read, debug, and optimize complex SQL queries, stored procedures, and database structures.
  • Support and enhance SOAP-based APIs and related integration layers.
  • Analyze, debug, and optimize existing backend logic for performance and scalability.
  • Collaborate with product, client, and cross-functional teams on integration, testing, and deployment.
  • Communicate progress, issues, and technical details clearly to client stakeholders.

Education

  • Bachelor’s degree in Computer Science, Engineering, Information Systems, or equivalent experience.
  • Relevant professional certifications or continuing education in backend development or cloud technologies are a plus.

Benefits

  • Competitive contract compensation (market-rate hourly/daily pay translated to annual equivalent).
  • Fully remote engagement with occasional optional on-site validation.
  • Short-term (90-day) commitment with potential for extension based on project needs.
  • Opportunity to work with AI and cloud-focused engineering teams and high-profile retail clients.
To read the complete job description, please click on the ‘Apply’ button
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CEO of 66degrees
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Ben Kessler
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$120000K
$180000K

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66degrees is a leading AI and Data consulting and professional services company that offers a full cloud lifecycle services. We are comitted to helping our clients shape the future of work and become AI-enabled enterprises.

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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$120,000/yr - $180,000/yr
EMPLOYMENT TYPE
Contract, remote
DATE POSTED
October 27, 2025
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