Fullstack Engineer

Fullstack Engineer

Company: ARC Intelligence
Location: Berlin (Flexible Work Model)

About ARC Intelligence

ARC Intelligence is building the AI-native Finance OS for modern mid-market corporations. Our platform integrates planning, forecasting, reporting, consolidation, and performance management, leveraging AI to automate processes, increase transparency, and enable faster, better decisions. Our vision is to become the AI-native ERP system for process-heavy corporations.

About the Role

As a Fullstack Engineer, you will collaborate closely with backend, data, AI, product, and design teams to build and enhance features across our platform. This role is ideal for early-career engineers or those with a few years of experience seeking ownership in a fast-moving product team.

Responsibilities

• Build user-facing features using modern frameworks and connect them to backend APIs.
• Contribute to Python-based backend services (Django REST or FastAPI), including API endpoints and business logic.
• Develop responsive, clean UI components and dashboards for intuitive data visualization.
• Integrate third-party systems and product data flows.
• Assist in building adaptive systems and integrating AI-powered features into product workflows.
• Write unit and integration tests, fix bugs, and participate in code reviews to ensure high-quality standards.
• Collaborate with product managers, designers, and engineers to translate requirements into software.
• Move product spikes, prototypes, and technical ideas into production-ready features.

Technical Foundations

• Strong Python backend development skills, ideally with Django REST Framework or FastAPI.
• Strong TypeScript/React experience, ideally with Next.js and API-driven frontend development.
• Understanding of REST APIs and system communication.
• Experience with SQL, relational databases, and data-driven features.

Engineering Practices

• Experience using Git in a multi-person engineering team.
• Commitment to writing clean, readable, and maintainable code.
• Experience with testing, CI/CD, and cloud-native development.
• Comfort working in an AI-assisted development setup.

Mindset & Soft Skills

• Curious, motivated, and eager to learn in a fast-paced startup environment.
• Comfortable asking questions, receiving feedback, and taking ownership.
• Strong English communication skills (German is a plus).

Nice to Have

• Experience building adaptive systems or integrating AI features.
• Exposure to production AI systems (agent workflows, streaming responses, etc.) or observability tools like Langfuse.
• Exposure to cloud platforms (AWS, GCP, Azure) and tools like Docker.
• Experience with monorepo setups or CI/CD workflows.
• Interest in finance and B2B SaaS products.
• Familiarity with basic frontend design principles or UX thinking.

Benefits

• Competitive salary with growth potential.
• Flexible Work Model (Berlin-based team).
• Modern Tech Stack (Python, Next, cloud infrastructure, AI/ML tooling).
• Learning & Development budget, strong engineering culture, and early ownership.
• Great Team Culture (Hackathons, knowledge-sharing, offsites).
• Career Growth opportunities with increasing technical ownership.