G2i Inc.

Senior Full-Stack Developer

G2i Inc.

contract

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

AWSCloudDockerJavaKotlinKubernetesPostgresSpring

About the role

  • Design and implement server-side services using Kotlin, Java, and Spring WebFlux
  • Build and maintain fault-tolerant, high-throughput data pipelines
  • Develop and maintain high-performance APIs
  • Collaborate closely with frontend engineers to integrate user-facing features
  • Contribute to PostgreSQL schema design and optimization
  • Improve system throughput and reliability through profiling, tuning, and performance testing
  • Scale services horizontally in a cloud-native environment
  • Integrate performance and reliability checks into CI pipelines
  • Participate in weekly standups, code reviews, and architectural discussions

Requirements

  • Strong proficiency in Kotlin and/or Java
  • Solid experience with Kotlin coroutines and flows
  • Deep understanding of Spring WebFlux, Reactive Streams, and backpressure
  • Experience building distributed, fault-tolerant systems
  • Strong problem-solving and analytical skills
  • Comfortable working asynchronously across time zones
  • Excellent communication skills (Slack, Loom, async collaboration)
  • Hands-on experience with: PostgreSQL
  • AWS and cloud-native architectures
  • Docker and Kubernetes
  • Strong grasp of the testing pyramid (unit, integration, E2E)
  • Willingness to actively participate in code reviews and technical discussions.
Benefits
  • Health insurance
  • Remote work options
Applicant Tracking System Keywords

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

Hard Skills & Tools
KotlinJavaSpring WebFluxPostgreSQLDockerKubernetesReactive StreamsKotlin coroutinesPerformance testingData pipelines
Soft Skills
Problem-solvingAnalytical skillsCommunication skillsAsynchronous collaborationParticipation in code reviewsCollaboration with frontend engineersArchitectural discussionsWorking across time zonesTeam collaborationAdaptability