Senior Developer

Senior Developer - Kotlin, Java, AWS Location: 3 days per week in either Raleigh or Cupertino Contract: 3 months rolling contract Rate: $70 - $80 per hour We’re looking for a Senior Developer who can design, build, and deliver production-quality software in a fast-moving environment. You’ll work independently, collaborate with others as needed, and help turn unclear requirements into working solutions—while maintaining high engineering standards. Must-have skills • Kotlin (strong proficiency) • Java (strong proficiency) • AWS (hands-on ability to develop and deploy in cloud environments) • Solid coding fundamentals (clean, testable, maintainable code) • Software design skills (ability to design components/services, not just implement) • Self-sufficiency (can own tasks end-to-end with minimal guidance) • Ability to operate with ambiguity (identify risks, propose solutions, iterate quickly) • Practical knowledge of a MacBook (day-to-day development workflow) • IntelliJ (comfortable in the IDE; productive with debugging/refactoring) • GitHub (branching, pull requests, code review workflow) Nice-to-have skills • Consulting skills (ability to communicate options, tradeoffs, and recommendations) • AWS fundamentals, especially: • DynamoDB • Familiarity with gRPC • Experience with observability tools (monitoring/logging/tracing concepts and/or tooling) Responsibilities • Design and implement backend features and services using Kotlin/Java • Build and maintain AWS-based components with reliability and scalability in mind • Write quality code with appropriate testing and documentation • Collaborate with teammates to review requirements, break down work, and align on technical approaches • Work effectively in an environment where requirements may be incomplete or changing • Improve engineering practices (code quality, development workflow, automation) Qualifications • Proven experience delivering software in Kotlin/Java • Hands-on experience with AWS • Strong understanding of software design principles • Demonstrated ability to work independently and communicate clearly