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Senior Kotlin Backend Jobs (NOW HIRING)

Jobtailor

Senior Software Backend Engineer

Carlsbad, CA · On-site

$140 - $200/hr

Design and implement scalable backend services using Node.js, GraphQL, and Java/Kotlin (Spring Boot) * Build and maintain responsive, performant frontend applications using React * Optimize ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ · On-site

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale ... Build and optimize backend systems using Java , Kotlin , and Spring Boot . * Work on system ...

FreshDirect

Sr. Java Backend Developer

Woodbridge, NJ · On-site

$130K - $155K/yr

What You'll Do As a Senior Backend Developer (Java) , you'll help design, develop, and scale ... Build and optimize backend systems using Java , Kotlin , and Spring Boot . * Work on system ...

FastTek

Back-end Software Development Engineer

Dearborn, MI · On-site

$46.50 - $60.25/hr

Kotlin - Experience developing backend applications in Kotlin, including idiomatic language ... Senior Engineer Exp: Prac. In 2 coding lang. or adv. Prac. in 1 lang.; guides. * 10+ years in IT ...

NinjaOne

About the role We are looking for a Senior Full Stack Software Engineer to join our Patching team ... This role is primarily backend-focused Java/Kotlin, with working proficiency in React for the ...

Step

Senior Backend Software Engineer

Palo Alto, CA · On-site

$144K - $190K/yr

The Senior Backend Software Engineer will own features throughout their life cycle, improve ... new Kotlin services • Prioritize maintainable code and test all the things • Work in a small ...

NinjaOne

Senior Software Engineer, Full-Stack | Patching

NC · On-site +1

$150K - $200K/yr

About the role We are looking for a Senior Full Stack Software Engineer to join our Patching team ... This role is primarily backend-focused Java/Kotlin, with working proficiency in React for the ...

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Senior Kotlin Backend information

What are the key skills and qualifications needed to thrive as a senior Kotlin backend developer, and why are they important?

To excel as a Senior Kotlin Backend Developer, you need deep expertise in Kotlin programming, backend architecture, and a strong understanding of APIs and databases, usually supported by a degree in computer science or equivalent experience. Familiarity with tools like Spring Boot, Docker, Kubernetes, and CI/CD systems, along with cloud platforms such as AWS or GCP, is typically required. Strong problem-solving, teamwork, and communication skills help you collaborate effectively and mentor junior developers. These competencies are vital for delivering scalable, robust backend solutions and leading technical projects in dynamic environments.

What is the difference between Senior Kotlin Backend vs Kotlin Developer?

AspectSenior Kotlin BackendKotlin Developer
Experience LevelTypically 5+ years, with leadership responsibilitiesEntry to mid-level, focused on coding and development
ResponsibilitiesDesigning architecture, mentoring, overseeing projectsWriting code, debugging, implementing features
Skills & CertificationsAdvanced Kotlin, backend frameworks, system design, leadershipProficient Kotlin, basic backend knowledge
Work EnvironmentTeam leadership, project management, collaboration with stakeholdersDevelopment teams, coding-focused tasks

Senior Kotlin Backend roles involve leadership, architecture design, and mentoring, whereas Kotlin Developers focus on coding and feature implementation. The senior position requires more experience, advanced skills, and strategic responsibilities, while Kotlin Developers are more hands-on with development tasks.

What does a senior Kotlin backend developer do?

A Senior Kotlin Backend Developer is responsible for designing, building, and maintaining server-side applications using the Kotlin programming language. They work on developing APIs, managing databases, optimizing application performance, and ensuring scalability and security of backend systems. Senior developers also mentor junior team members, participate in architectural decisions, and collaborate closely with frontend and DevOps teams to deliver robust software solutions.

What are some common challenges faced by senior Kotlin backend developers when working on large-scale applications?

Senior Kotlin Backend Developers often encounter challenges such as maintaining code quality and consistency across large codebases, ensuring efficient performance under heavy user loads, and integrating with legacy systems or microservices. Effective collaboration with frontend teams and DevOps is essential to streamline deployments and resolve bottlenecks. Staying up to date with Kotlin updates and backend best practices also helps in designing scalable and maintainable solutions.
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Senior Kotlin Backend jobs near you
Infographic showing various Senior Kotlin Backend job openings in the United States as of August 2026, with employment types broken down into 88% Full Time, 2% Part Time, and 10% Contract. Highlights an 74% Physical, 6% Hybrid, and 20% Remote job distribution.

Senior Software Backend Engineer

Jobtailor

Carlsbad, CA • On-site

$140 - $200/hr

Other

Posted 9 days ago

Job description

Responsibilities
  • Design and implement scalable backend services using Node.js, GraphQL, and Java/Kotlin (Spring Boot)
  • Build and maintain responsive, performant frontend applications using React
  • Optimize PostgreSQL databases for performance and reliability
  • Lead technical design discussions, architecture reviews, and code reviews
  • Mentor junior engineers and champion engineering best practices
  • Partner with product managers to define requirements and delivery timelines
  • Troubleshoot and debug complex issues across the full stack
Requirements
  • Bachelor’s degree in Computer Science
  • 5 – 10 years of front end / back end and database experience required
  • Proficiency in Node.js and server-side JavaScript
  • Backend experience with Java and/or Kotlin, including Spring Boot
  • Expert knowledge of GraphQL, including schema design and performance optimization
  • Advanced React experience, including state management and performance tuning
  • Deep understanding of PostgreSQL, including query optimization and schema design
  • Strong grasp of software design patterns and engineering principles
  • Strong communication, problem‑solving, and debugging skills
  • Prisma ORM, JPA, and database migrations – preferred
  • DevOps and cloud platforms (AWS/GCP/Azure) – preferred
  • CI/CD pipelines and testing frameworks – preferred
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