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10up Logo 10up · IT - Software Development

Contract Senior Web Services Engineer

· Job Posted February 16, 2026
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Job Description

As a Contract Senior Web Services Engineer, you’ll thrive by embracing ambiguity and turning it into an opportunity. You’ll use each new problem as a chance to build something meaningful, collaborate with a cross-functional team, and prioritize action that moves projects forward. By creating thoughtful solutions, supporting great work across the team, and staying curious, you’ll make an impact that’s felt by users, clients, and your peers.

Job Responsibility

  • Design and implement scalable database schemas and API interfaces to support large-scale user-generated content
  • Architect clean, performant RESTful APIs, GraphQL solutions, and AI-powered features that bridge legacy systems with modern platforms
  • Build and integrate Customer Data Platforms (CDPs) and AI/ML capabilities, including semantic search, RAG, vector embeddings, and prompt engineering
  • Guide end-to-end project execution from scoping client requirements to hands-on development using Python, Node.js, Go, and occasionally PHP
  • Collaborate with cross-functional teams and clients to translate complex business requirements into actionable technical solutions

Requirements

  • 5+ years of backend API development experience, ideally using Python/Django, Node.js/NestJS, or Golang/Gin
  • Have built APIs for at least 3 enterprise apps involving complex third-party integrations in fast-paced environments
  • Thrive in ambiguity and bring structure to unstructured problems, clearly communicating technical trade-offs to non-technical stakeholders
  • Strong understanding of agile methodologies
  • Proficient in system design and SQL data modeling for high-traffic applications (10k+ daily users)
  • Hands-on experience implementing production-ready LLM features, including semantic search, vector databases, RAG, and prompt engineering
  • Embrace continuous learning

What we offer

  • Opportunity to explore a transition into full-time roles
  • Access to project invitations tailored to your expertise and availability
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