Fullstack Developer, AI & SaaS Startups
Employment Information
Report this job
Job expired or something wrong with this job?
Job Description
Fullstack Developer working on AI & SaaS solutions for startups in Germany. Focused on modern web applications and collaboration with founders using cutting-edge technologies.
Responsibilities:
- Develop and enhance modern web applications (frontend & backend)
- Design and integrate LLM-based features (e.g., GPT models, RAG systems, OpenAI/Anthropic APIs)
- Build MVPs for startups — from concept to launch
- Work closely with founders and product owners on technical concepts
- Implement and integrate databases, APIs, and cloud services
- Ensure clean, maintainable, and scalable code
Requirements:
- Experience as a fullstack developer with modern frameworks (e.g., React, Next.js, Node.js, NestJS, or similar)
- Experience working with large language models (LLMs) and AI APIs (OpenAI, LangChain, Hugging Face, etc.)
- Experience with databases (SQL & NoSQL) and cloud services (AWS, Hetzner, or Azure)
- Understanding of software architecture, clean code principles, and DevOps processes
- Self-motivated, innovative, and interested in AI technologies
- German language skills (minimum B2 level)
Benefits:
- 100% remote work & flexible hours
- Projects with real founders, startups, and scalable ideas
- Work with the latest AI technologies and cloud stacks
- Flat hierarchies, short decision-making paths & plenty of creative freedom
- Professional development in AI, SaaS, and automation
- A motivated, tech-passionate team with a startup spirit
Similar Jobs
AI-Enabled Software Engineer
AI-Enabled Software Engineer turning workflows into working apps and automations at healthtech startup. Collaborate with teams to clarify requirements and build solutions in a fast-paced environment.
Mid-level Data Scientist – Fullstack Web Developer
Data Scientist role at Minerva Foods focusing on Fullstack Web Development using modern technologies. Collaborating on end-to-end project execution and backend development with Node.js and Python.
Engenheiro Full Stack, PL
Full Stack Engineer developing innovative technology solutions at Grupo SysMap. Collaborating with teams to deliver impactful digital transformation projects.
Full Stack Engineer, Specialist
Full Stack Engineer at Grupo SysMap developing end-to-end tech solutions with a focus on innovation. Collaborate across squads to enhance telecom, retail, education, finance sectors.
Full Stack Software Architect – Senior
Full Stack Software Architect at Grupo SysMap defining and evolving system architecture and leading technical decisions for innovative solutions in technology.
Senior Software Developer
Software Developer for identity and access management solution at Praia Health. Collaborating with a technical team to enhance patient digital engagement and security.
Senior Full-Stack Developer, Next.js
Senior Full-Stack Developer focusing on Next.js for Ruby Labs, building scalable D2C platforms used globally. Collaborate and mentor within a growing engineering team.
Junior Software Engineer, Program Associate
Junior Software Engineer participating in a structured mentorship program to apply engineering skills and contribute to real projects. Collaborate with experienced engineers to strengthen software development expertise.
Senior Software Engineer
Senior Software Engineer enhancing product features for SKUTOPIA's innovative logistics solutions. Collaborating with cross-functional teams to design high-quality software for fulfilment operations.
Senior Software Engineer – Billing Platform
Senior Software Engineer focusing on backend services and billing logic within CloudBlue platform at HostPapa. Joining an international team contributing to innovative software solutions for web hosting.
Senior Software Engineer
Senior Software Engineer building and evolving the CloudBlue platform for web hosting company HostPapa. Focus on AI-driven development and collaboration within remote teams.
Manager – Software Engineering
Software Development Manager at Modivcare leading software engineering teams in delivering valuable solutions. Ensuring engineering excellence and managing team development in a hybrid remote environment.
Senior Engineer, Genesys Cloud
Senior Genesys Cloud Engineer designing and supporting IVR/ACD scripts. Joining AAA Club Alliance's team focused on optimizing Genesys Cloud capabilities.
Senior Cloud AI Software Developer
Senior Cloud AI Software Engineer architecting and deploying advanced AI solutions on Google Cloud Platform. Collaborating with teams to innovate on billing experiences for TELUS customers.
Software Engineer II
Software Engineer II developing scalable and innovative services in a collaborative environment for CSAA Insurance Group. Leveraging cloud technologies and microservices architecture to enhance the organization’s capabilities.
Software Engineer II
Software Engineer II designing and maintaining scalable backend services at Taxwell. Working with C#, C++, and AWS to improve tax solutions for users.
Mid-level Full Stack Software Engineer – Focus on CRM, HubSpot, Monday.com and similar
Full Stack Developer at Grupo SysMap focusing on CRM systems, specializing in HubSpot and Monday.com. Collaborating on application development and integrations for transformative tech solutions.
Junior Full Stack Developer
Full Stack Developer for Concept Plus tasked with designing and delivering AWS solutions in Agile environments. Collaborate across teams while ensuring high-quality and responsive applications.
Software Engineer, Work-Study Program – No Tech Experience Required
Paid software engineering apprenticeship for recent graduates at Flatiron School. Learning in a structured environment while contributing to real software projects with mentorship.
Software Developer Trainee Program
Paid apprenticeship program for career switchers transitioning into software engineering. Completing bootcamps and contributing to real software projects with mentorship.