**Location:** Hybrid (Munich-based team, 3 days/week in office); **Workload:** Full-time; **Start:** ASAP
**About us**
Hi, we are **Jessy Works** – an AI startup rethinking accounting from the ground up.
While accounting firms are struggling to find qualified staff, we build the solution: **AI-powered accounting on autopilot**.
Our AI assistants handle bookkeeping, routine workflows, and client communication – dramatically expanding the capacity of tax advisory firms.
Now we are looking for a **Senior Software Engineer** who wants to take real ownership, ship production-ready AI systems, and help scale a mission-critical product.
If you enjoy building stable systems, working close to product and founders, and using AI as a first-class development tool, keep reading.
## Tasks
Build and own enterprise-grade AI systems that automate accounting and logistics operations at scale. You'll architect and deploy production AI agents using modern ML frameworks and Python infrastructure, running on cloud-native platforms with real-time document processing and automation capabilities. You feel fluent in transfering concepts with our AI researchers to production.
Core Technologies You'll Work With
**AI & ML Frameworks**
* **Structured LLM programming** frameworks for reliable AI agent development
* **Multi-provider AI integration** supporting major cloud AI services (OpenAI, Anthropic, etc.)
* **Vector databases** for production search and retrieval-augmented generation
* **Distributed tracing** and observability for ML operations monitoring
**Backend & API Development**
* **Python 3.12** with modern async web frameworks for high-performance microservices
* **Type-safe data modeling** and validation frameworks
* **Concurrent processing** architectures for handling complex workflows
* **Enterprise AI integration** patterns and best practices
**Cloud Infrastructure & DevOps**
* **Kubernetes** orchestration on major cloud platforms
* **Cloud-native services**: object storage, NoSQL databases, serverless functions, email automation, OCR services
* **Container orchestration** with security-focused multi-stage builds
* **CI/CD pipelines** with automated testing and multi-environment deployment strategies
**Specialized AI Applications**
* **Computer vision & automation** for legacy system integration
* **Intelligent document processing** with advanced OCR and semantic analysis
* **Knowledge retrieval systems** for domain-specific expertise (tax, accounting, compliance)
* **Multi-modal AI workflows** for email, document, and structured data processing
Technical Responsibilities
**Production AI Systems**
* Design and implement structured AI agents for automated business process workflows
* Build knowledge retrieval systems for real-time information access and compliance checking
* Develop multi-modal AI pipelines processing diverse data types at enterprise scale
* Optimize AI model performance using advanced prompt engineering and workflow optimization
**Full-Stack Development**
* Build high-performance API services with comprehensive async support and type safety
* Implement vision-based automation for legacy application integration
* Create real-time document processing pipelines with advanced text extraction and analysis
* Design resilient distributed job processing systems
**Infrastructure & Operations**
* Deploy containerized applications on managed Kubernetes with multi-stage environments
* Implement Infrastructure-as-Code using industry-standard tools
* Build automated deployment pipelines with security scanning and validation
* Monitor production systems with comprehensive observability and alerting
**Enterprise Integration**
* Integrate with European accounting software and compliance systems
* Build automated email processing workflows with intelligent response generation
* Implement enterprise-grade secret management and access controls
* Design multi-tenant cloud architecture with proper security boundaries
Production Impact
You'll be building systems that:
* Process thousands of business documents daily with enterprise-grade accuracy
* Handle real-time communication workflows for logistics and accounting operations
* Automate complex interactions with legacy business applications
* Serve enterprise customers with strict compliance and security requirements
* Scale automatically with intelligent resource optimization
Required Experience
* **Advanced Python** with modern async frameworks and type systems
* **Production ML/AI** experience, preferably with LLM applications and vector search
* **Container orchestration** and cloud-native deployment experience
* **Major cloud platform** services and infrastructure management
* **High-performance web frameworks** and API design
Preferred Experience
* **Structured AI programming** frameworks and prompt optimization
* **Computer vision** and process automation technologies
* **European business software** and compliance systems knowledge
* **Enterprise security** and multi-tenant architecture
* **Financial/accounting** domain expertise
This role offers the opportunity to work with cutting-edge AI technologies in a production environment where your code directly impacts business operations and drives customer success in a highly regulated industry.
## Requirements
**Essential Requirements**
* **Senior-level experience** as a Software Engineer with several years in production environments
* **Expert-level Python skills** - this is our primary development language
* **Strong TypeScript/JavaScript proficiency** for full-stack development
* **Solid AI/GenAI systems background** including hands-on AI inference experience
* **AWS experience** with serverless architectures and cloud-native development
* **Infrastructure expertise** with Terraform and Kubernetes (K8s)
* **DevOps mindset** - you build it, you run it philosophy
**Technical Experience**
* Experience building **stable, scalable, and maintainable production systems**
* At least **one complete product go-live** where you were actively involved
* **Product launch experience** and operating live systems under real user load
* Strong understanding of **backend, frontend, and application architecture**
* **Windows OS session management** knowledge for desktop automation workflows
* **Java experience** is a strong plus for enterprise integrations
**Working Style & Collaboration**
* Proven experience in **sprint planning, refinement, and agile execution**
* **Highly self-driven, pragmatic, and solution-oriented** approach
* Ability to identify and resolve impediments independently
* Experience with cross-functional collaboration and technical leadership
**Language Requirements**
* **German language skills at minimum C1 level** (spoken & written)
* You will have direct customer contact and need to communicate technical concepts clearly
* English proficiency for technical documentation and international team collaboration
**Preferred Qualifications**
* Experience with accounting/financial software systems
* Knowledge of German business compliance requirements
* Background in computer vision or UI automation
* Previous work in regulated industries
## Benefits
* Direct collaboration with the **founding team** and key decision-makers
* Ownership and real impact on a **core AI product**
* **Very very interesting tech stack with many things freshly backed from research**
* Modern tech stack, AI-first development culture, and zero legacy baggage
* A product with **real customer value** in a massive, underserved market
* Hybrid setup with **1+2 office days per week in Munich**
* Competitive compensation and long-term growth opportunities
* Fast learning curve, high trust, and minimal bureaucracy
* And yes – we celebrate wins: **pizza & champagne included** 🍕🍾
How to apply
* Short CV + LinkedIn profile
* **30-minute intro call** – mutual fit & expectations
* **Final fit call** – scope, role, and start date
No cover letter.
No corporate nonsense.
Just honest engineering, real responsibility, and building something that matters.
If you want to help shape the future of AI-powered accounting with a strong founding team – **we’d love to hear from you.**