Superside

Senior FullStack Engineer

Superside

full-time

Posted on:

Location Type: Remote

Location: Spain

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Job Level

Senior

Tech Stack

KotlinReactSpringSpring BootSpringBoot

About the role

  • Lead development of secure, scalable features for staffing automation, resource management, and scheduling.
  • Architect and build performant UIs such as interactive timelines and real-time grids using React.
  • Ensure backend services built with Kotlin and Spring Boot efficiently support complex frontend workflows.
  • Use agentic coding tools to accelerate boilerplate and refactoring, focusing your time on high-leverage decisions.
  • Collaborate with Product and Design to turn manual staffing workflows into intuitive software experiences.
  • Improve system performance through UI optimizations and database-level improvements.
  • Drive technical strategy and best practices for visualizing complex operational data.

Requirements

  • 4+ years of full-stack development experience with strong depth in both frontend and backend systems.
  • Frontend expertise in React; backend experience with Kotlin and Spring Boot is a strong plus.
  • Solid understanding of software architecture, design patterns, and scalable system development.
  • Strong testing discipline across unit, functional, and end-to-end tests.
  • Ability to solve complex technical challenges with clarity and creativity.
  • Excellent written and verbal English communication skills.
  • High level of autonomy and ownership in a remote environment.
  • Interest in AI-powered product development and automation.
  • Comfortable using agentic coding tools while staying accountable for quality and outcomes.
  • Proactive use of agentic coding tools as part of your workflow, while always staying accountable and in control of your output and contributions.
Benefits
  • Diversity, Equity and Inclusion: We’re an equal-opportunity company. All applicants will be considered regardless of ethnicity, appearance, religion, gender identity, sexual orientation, national origin, veteran or disability status.
Applicant Tracking System Keywords

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

Hard Skills & Tools
full-stack developmentfrontend developmentbackend developmentReactKotlinSpring Bootsoftware architecturedesign patternsunit testingfunctional testing
Soft Skills
problem-solvingcreativitywritten communicationverbal communicationautonomyownershipcollaborationclarity