Backend Engineer — San Francisco (Hybrid)

Engenious • San Francisco, CA

5d • Hybrid

About The Position

Engenious is a technology company building next-generation AI products that transform how people work, learn, and create.
We partner with fast-growing startups and global companies to design and scale intelligent systems — from AI-powered applications to full-stack platforms used by millions.
Our team combines deep engineering expertise with product thinking to deliver solutions that are not just technically strong, but genuinely useful.

We’re looking for a Backend Engineer to join our team and work on AI-driven products.
In this role, you will be working as part of an Engenious team embedded with one of our clients, a leading technology company building products used at global scale. You’ll collaborate closely with both Engenious and client-side teams to deliver high-impact solutions.
You’ll help build systems that support students throughout their writing journey — from drafting and citations to AI transparency and plagiarism detection.
This role combines backend development with practical application of modern AI technologies, and you’ll be expected to actively work with AI-powered features as part of your day-to-day development.

Requirements

• 5+ years of experience in backend development
• Strong experience with Java and Spring Boot is a must
• Knowledge of system scaling, REST APIs, GraphQL, microservices, and message brokers (Kafka, RabbitMQ).
• Experience with Python
• Strong fundamentals in algorithms and system design
• Experience building or integrating AI-powered features (LLMs, APIs, or similar
• Experience building and scaling production systems
• Experience debugging complex systems
• Strong product mindset and attention to user experience
• Must be legally authorized to work in the United States at the time of hire; we are unable to provide visa sponsorship for this role

Nice To Haves

• Experience working with LLMs or AI frameworks (OpenAI, Antropic), LangChain, Langraph, etc.
• Background in high-scale applications
• Experience mentoring or leading engineers

Responsibilities

• Build and ship end-to-end features across the high-load backend services
• Design scalable APIs and services
• Build and integrate AI-powered features into product workflows
• Work with LLM-based systems and AI-driven services
• Improve performance, reliability, and system architecture
• Collaborate with product, design, and AI teams (both Engenious and client-side)
• Contribute to technical decisions and engineering standards
• Mentor engineers and support team growth

Benefits

• Comprehensive health benefits (medical, dental, vision, mental health)
• Paid time off and holidays
• Parental leave
• 401(k) / retirement options (if applicable)
• Professional development support
• Additional stipends (wellness, home office, etc.)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed