Senior Full Stack Developer (f / m / d)

OSPHIM GmbH; Aachen; Hybrid; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A deep-tech company in Aachen is seeking a Senior Full Stack Developer to build and improve their applications. Ideal candidates should have over 5 years of experience with full stack development, solid skills in frontend frameworks like Svelte, and expertise in optimizing databases. The role offers a hybrid work environment and the chance to work with a diverse toolkit. Join a team that values innovation and provides opportunities for growth.

Leistungen

Inclusive culture

Output-focused environment

Growth potential

Continuous learning

Collaborative environment

Innovation-driven atmosphere

Qualifikationen

• 5+ years of professional experience developing full stack applications.
• Solid experience with modern frontend frameworks, ideally Svelte/SvelteKit.
• Hands-on experience with relational databases and optimizing their performance.

Aufgaben

• Help build and improve our OSPHIM-App and its infrastructure.
• Implement functional pages and UI-components.
• Expand and improve our REST-API.

Kenntnisse

Full stack application development

Frontend frameworks (Svelte/SvelteKit)

REST API design principles

Relational databases optimization

Docker

Tools

Frontend frameworks (Svelte 5, Tailwind CSS)

Backend technologies (NestJS, Drizzle ORM)

Cloud services (Azure)

Microservices (Python, C#)

Jobbeschreibung

OSPHIM GmbH

Senior Full Stack Developer

Aachen, Germany (hybrid)

Employee

Software Development

OSPHIM revolutionizes human-machine cooperation in injection molded parts production. We help customers reduce setup times, scrap rates, and energy consumption, saving them money, time, and effort. Our platform offers companies process optimization options offline or in real time without needing to write code. Using a combination of machine learning models and expert knowledge through a web-based interface, OSPHIM is the result of years of research.

Tasks

Your main task will be to help build and improve upon our OSPHIM-App and its infrastructure. This includes :

• Implement functional pages and UI-components
• Expand and improve our ever growing REST-API
• Influence design decisions of our database models and code base
• Analyze and optimize database performance
• Contribute to our DevOps cycle from ideation over implementation to delivery
• Uphold high coding standard to ensure the health and scalability of our code base
• Write tests for business critical functions and systems
• Document and own your work
• Critically assess the UX of a given workflow within the application and discuss with the team

Requirements

🧑🎨 Your Profile

The following criteria outline an ideal candidate :

• Quickly grasp requirements, challenge assumptions, and propose better approaches
• Contribute openly and collaborate to shape solutions
• Identify and drive improvements in code, product, or processes
• You value clear communication and good documentation of your work, especially when working remotely
• At least 5 years of professional experience developing full stack applications
• Solid experience with modern frontend frameworks (ideally Svelte / SvelteKit)
• Strong understanding of REST API design principles
• Hands‑on experience with relational databases and how to optimize performance
• Extensive practical experience with Docker

Bonus points for

• Background in DevOps (Kubernetes, Azure, CI / CD pipelines)
• Additional expertise with Azure services

Our toolkit

As a Deep‑Tech Company we employ a fairly large toolkit to cover our needs. Among others, these are :

• Frontend : Svelte 5 with SvelteKit, Tailwind CSS, shadcn
• Backend : NestJS, Drizzle ORM, Redis, PostgreSQL and SeaweedFS
• Microservices : Python, C#
• Infrastructure : Azure, Docker, Kubernetes, Kafka, Github
• Design : Figma
• Communication / Team : Slack, Miro, Notion

Benefits

• Inclusive Culture : Join a diverse and inclusive team where different perspectives are valued and everyone’s voice is heard.
• Output‑Focused : We measure success by the quality and impact of your work. Your contributions will directly influence our projects and goals.
• Ownership : Take full ownership of your tasks and projects. We encourage initiative and innovation, giving you the space to bring your ideas to life. While we always offer support and guidance, we do not micromanage.
• Growth Potential : We are committed to your professional development. Gain hands‑on experience, learn from industry experts, and access opportunities to expand your skill set.
• Continuous Learning : Our complex product offers endless opportunities to gain knowledge across diverse areas.
• Collaborative Environment : Work alongside a team of passionate professionals who are always willing to share knowledge and support each other.
• Innovation‑Driven : Be part of a forward‑thinking company that values creativity and encourages you to explore new technologies and solutions.

If the described position above piques your interests and experience, don’t hesitate to contact us!

See you soon at OSPHIM! 🙂

OSPHIM GmbH

Website

Contact Person

LD

Louisa Desel

Recruiting Team