Senior Fullstack Software Engineer

About The Role

As a Senior Fullstack Software Engineer, you will be responsible for designing, developing, and maintaining end-to-end software solutions that power our core products.

You will collaborate closely with cross-functional teams (Product, Design, QA, Dev Ops) to create high-performance, scalable, and reliable applications.

You will also mentor junior team members, contribute to architectural decisions, and continuously improve development processes and practices.

About The Role

As a Senior Fullstack Software Engineer, you will be responsible for designing, developing, and maintaining end-to-end software solutions that power our core products.

You will collaborate closely with cross-functional teams (Product, Design, QA, Dev Ops) to create high-performance, scalable, and reliable applications.

You will also mentor junior team members, contribute to architectural decisions, and continuously improve development processes and practices.

Key responsibilities

• System design & architecture: Design robust, scalable software solutions from concept through implementation, aligned with best practices and company standards.
• Fullstack development: Work across both frontend and backend stacks — writing clean, efficient, and testable code.
• Technical leadership: Provide guidance and mentorship to junior and mid-level engineers, reviewing code and driving improvements in standards.
• Collaboration: Partner with Product Management and UX to understand requirements and provide technical insight on feasibility and effort.
• Performance & scalability: Optimize applications for speed and scalability, identifying and resolving performance bottlenecks.
• Dev Ops & CI/CD: Contribute to build and release processes, ensuring smooth and automated deployments and testing.
• Code quality: Follow and enforce engineering best practices (testing, code reviews, documentation) to maintain a high standard.
• Troubleshooting & maintenance: Investigate and resolve production issues, deploying bug fixes and enhancements as needed.

Requirements

Education & experience

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field (or equivalent professional experience).
• 5+ years of professional experience in software development, with a strong focus on fullstack or backend engineering.
• Technical skills
• Frontend: proficient in one or more modern Java Script frameworks (React, Angular, Vue. js).
• Backend: solid experience with server-side languages and frameworks (Node. js, Python, Java, . NET).
• Databases: hands-on experience with SQL and/or No SQL databases (Postgre SQL, My SQL, Mongo DB).
• Cloud platforms: familiarity with AWS, Azure, or GCP for deploying and managing applications at scale.
• CI/CD & Dev

Ops: experience with build tools, containerization (Docker, Kubernetes), and automated testing.

• Version control: strong Git skills and a track record of contributing to large codebases.
• Soft skills
• Excellent communication skills to collaborate effectively with cross-functional teams.
• Strong problem-solving abilities and a passion for staying updated with emerging technologies.
• Ability to work in an agile, fast-paced environment while delivering high-quality results.
• Leadership qualities and desire to mentor less experienced developers.
• Preferred
• Experience with microservices architecture.
• Knowledge of security best practices (OWASP, SSL/TLS).
• Previous experience in a senior or lead role.
• About Perspix. ai

Perspix. ai is a Karlsruhe-based AI company specializing in tailor-made AI solutions.

Our focus is to create systems that process requirement documents and data more efficiently, transparently, and sustainably.

We rely on cutting-edge technology and a deep understanding of our customers' challenges to deliver smart automation and analysis tools — simplifying complex processes and helping businesses operate in a resource-conserving, future-oriented way.

At Perspix. ai, we strive to make AI tangible for organizations of any size, so they can benefit from data-driven insight and thrive in an increasingly digital world.

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