# Software Engineer, Backend
**Company:** [Tessera Labs](https://hotfix.jobs/companies/tessera-labs)
**Location:** San Jose, CA, New York, NY, Seattle, WA
**Salary:** $200K-$250K
**Experience:** 3+ years
**Skills:** Python, FastAPI, Sqlalchemy, Postgres, MySQL, Redis, Kafka, RabbitMQ, Pub/Sub, Aws S3, Google Cloud Storage, Oauth2, RBAC, SSO
**Posted:** 2025-12-20
> Builds and maintains scalable backend systems, RESTful APIs, microservices, and integrations with AI models and enterprise platforms like Salesforce and SAP using Python and cloud technologies. Requires 3-5 years backend experience with focus on APIs and distributed systems.
## Job Description
## Key Responsibilities

### 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.

## Qualifications
- 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.
**Apply:** https://hotfix.jobs/jobs/software-engineer-backend-at-tessera-labs-5a3c1db4-c543-4712-a997-3fd32dbe4481
**Canonical:** https://hotfix.jobs/jobs/software-engineer-backend-at-tessera-labs-5a3c1db4-c543-4712-a997-3fd32dbe4481