Backend Engineer

We’re looking for a Backend Engineer (Mid-Level) who thrives in a fast-paced, high-ownership startup environment. You’ll help design, build, and maintain the backend systems that power Tessera’s AI automation platform - including scalable APIs, data pipelines, and integrations with enterprise systems., Core Development

• Design, develop, and maintain RESTful APIs and backend services using Python (FastAPI, SQLAlchemy).
• Build reliable microservices that support data processing, automation, and AI system integrations.
• Implement and optimize database schemas, queries, and caching for performance and scalability.
• Contribute to data pipelines and synchronization services across enterprise integrations.

AI & Systems Integration

• Connect backend services with AI model servers, vector databases, and automation workflows.
• Enable smooth data exchange between AI agents and enterprise systems like Salesforce, SAP, and Workday.

Scalability & Reliability

• Identify and fix performance bottlenecks in backend code and databases.
• Implement caching, monitoring, and logging to ensure system reliability and observability.
• Collaborate with DevOps to deploy and maintain cloud-based services on AWS or GCP.

Security & Quality

• Implement secure authentication and authorization (OAuth2, RBAC, SSO).
• Follow best practices in code quality, testing, and documentation.
• Participate in code reviews and contribute to improving backend architecture.

Collaboration & Ownership

• Work closely with frontend, AI, and product teams to deliver new features.
• Take initiative in identifying improvements and building practical, scalable solutions.
• Balance speed and long-term scalability in a fast-moving environment.

• 3-5 years of backend development experience with a focus on APIs, distributed systems, or cloud infrastructure.
• Proficient in Python, with experience using FastAPI, SQLAlchemy, or similar frameworks.
• Experience with PostgreSQL/MySQL and data modeling best practices.
• Familiarity with Redis, message queues (Kafka, RabbitMQ, Pub/Sub), and asynchronous processing.
• Experience with cloud storage solutions such as AWS S3, Google Cloud Storage, or Azure Blob Storage.
• Understanding of API authentication, security, and scalability principles.
• Strong debugging, testing, and performance optimization skills.

Bonus Points

• Experience integrating AI/ML models into backend systems.
• Familiarity with event-driven architectures or workflow automation systems.
• Prior experience in startups or high-growth tech companies.

At Tessera Labs, we’re revolutionizing business process automation with cutting-edge AI technology. Backed by Foundation Capital and led by a world-class founding team, we’re building a high-impact engineering group to bring AI-powered automation to the enterprise world.

Our multi-agent AI systems transform complex business workflows-eliminating inefficiencies, optimizing operations, and enabling seamless integrations across platforms like SAP, Salesforce, and Workday. We move fast, solve hard problems, and build at the bleeding edge of AI.