Senior Fullstack Developer (m/f/d)

ELIGO Psychologische Personalsoftware GmbH

Senior Fullstack Developer driving backend and frontend development at Applysia, an HR-Tech company focused on optimizing assessment processes. Working with technologies like Ruby on Rails, Spring Boot, and AWS.

Posted 7/8/2026full-timeRemote • 🇩🇪 GermanySenior💰 €75,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in full-stack development with a focus on modern frameworks such as Ruby on Rails, Spring Boot, or Laravel, alongside a strong understanding of both backend and frontend technologies. Proficient in AWS technologies and agile methodologies, with a commitment to high-performance application development and effective problem-solving.

Highest-signal resume keywords

Ruby On RailsSpring BootLaravelAWS TechnologiesCI/CD Processes

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Full-Stack DevelopmentFrontend DevelopmentBackend DevelopmentUnit TestingIntegration TestingEnd-To-End TestingAgile MethodologiesGitHub ActionsAPI DevelopmentArchitecture Design

Soft Skills

Creative Problem SolvingWillingness To LearnGood Communication Skills

Industry Keywords

High-Performance ApplicationUser-Friendly Application

Tech Stack

Tools & technologies

AWSCypressLaravelRubyRuby on RailsSpringSpring BootSpringBoot

About the role

Key responsibilities & impact

Drive the development of our backend, frontend and API.
Independently implement new features and play an active role in architecture and technology decisions.
Develop a high-performance, user-friendly application.

Requirements

What you’ll need

Experience developing with modern frameworks such as Ruby on Rails, Spring Boot or Laravel.
Rails experience is a plus; strong full-stack competence is expected.
Enjoy frontend development.
Familiarity with AWS or a willingness to work with AWS technologies.
Experience with unit, integration, or end-to-end testing (e.g., with Cypress).
Experience working in agile teams with CI/CD processes, ideally using GitHub Actions.
A holistic understanding of the application and experience working on both backend and frontend.
Willingness to learn new topics and technologies and to solve complex problems creatively.
Good German language skills, both written and spoken.

Benefits

Comp & perks

Permanent full-time position.
Flexible working hours: you decide when you are most productive.
Free choice of work equipment: Mac, mechanical keyboard, plugins, IDE — you decide what you need and we provide it.
Regular team events: we value a strong company culture — we work together, not just alongside each other.
Take on responsibility from the start, supported by regular feedback.
Space for your own ideas, experience and initiative.