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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Engineer - **Company:** Tessera Labs - **Location:** United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon S3, User Authentication, Cloud Computing, Cloud Storage, Software Quality, Code Review, Databases, Software Debugging, DevOps, Distributed Systems, Electronic Data Interchange (EDI), Python (Programming Language), PostgreSQL, Machine Learning, MySQL, OAuth, Performance Tuning, Queueing Systems, RabbitMQ, Role-Based Access Control, Redis, Cloud Services, Salesforce.Com, SAP (Applications), Single Sign-On, SQLAlchemy, Systems Integration, Data Logging, Data Processing, Enterprise Software Applications, Reliability of Systems, Core Api, Backend, Fastapi, Event Driven Architecture, Apache Kafka, Front End Software Development, Restful APIs, Network Server, Data Pipelines, Workday, Microservices - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/software-engineer-backend-tessera-labs-9740042 ## About the Role * 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. ## Description 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. ## Related Videos - [Reducing LLM Calls with Vector Search Patterns - Raphael De Lio (Redis)](https://www.wearedevelopers.com/videos/1714-reducing-llm-calls-with-vector-search-patterns-raphael-de-lio-redis) - [Keeping applications secure by evolving OAuth 2.0 and OpenID Connect](https://www.wearedevelopers.com/videos/100152-keeping-applications-secure-by-evolving-oauth-2-0-and-openid-connect) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Inside Bitpanda's Tech Stack: Scaling a European Fintech Leader - Markus Dorner](https://www.wearedevelopers.com/videos/1979-inside-bitpanda-s-tech-stack-scaling-a-european-fintech-leader-markus-dorner) - [Accelerating Authentication Architecture: Taking Passwordless to the Next Level](https://www.wearedevelopers.com/videos/733-accelerating-authentication-architecture-taking-passwordless-to-the-next-level) - [Delay the AI Overlords: How OAuth and OpenFGA Can Keep Your AI Agents from Going Rogue](https://www.wearedevelopers.com/videos/1637-delay-the-ai-overlords-how-oauth-and-openfga-can-keep-your-ai-agents-from-going-rogue) ## Related Articles - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers)