Backend Engineer

Calyptus; Washington; On-site; USD 120,000 - 160,000; Full time

Job summary

A high-performance talent firm seeks a Co-Founder to lead scalable AI and blockchain solutions. In this role, you will partner with the Machine Learning team, working closely with clients to gather requirements and provide technical guidance. You should have proven experience in Python-based backend development, and you'll be instrumental in troubleshooting complex issues while delivering innovative technical solutions. Join a dynamic team passionate about customer satisfaction and quality solutions.

Qualifications

• Proven experience in Python-based backend development.
• Skilled in troubleshooting complex production issues.
• Ability to design cloud-based systems and APIs.

Responsibilities

• Design and implement scalable solutions with the ML team.
• Work directly with clients to gather requirements.
• Develop custom APIs for customer integration.

Skills

Python-based backend development

Troubleshooting complex production issues

Client technical guidance

Design and build scalable cloud-based systems

Database technologies (PostgreSQL)

FastAPI

AI tools (Cursor)

LLMs and prompt engineering

Containerization and deployment (Docker, Kubernetes)

Communication skills

Job description

Co-Founder @ Calyptus | High Performance Talent at Scale | Blockchain & AI

Direct message the job poster from Calyptus

What You’ll Do

• Partner with the Machine Learning team to design and implement scalable solutions that meet customer-specific requirements
• Work directly with clients to gather requirements, provide technical guidance, and serve as the post-go-live ML point of contact
• Develop custom APIs and backend services to enable seamless integration with customer environments
• Troubleshoot and resolve complex technical issues, acting as the technical liaison between customers and the engineering team
• Deliver small, targeted features to unblock high-priority edge cases and resolve customer tickets
• Partner closely with the ML team on inference/data pipeline issues, adding validation and guardrails where needed
• Collaborate with Product, Engineering, Customer Success, and Sales to refine features, improve customer experience, and produce clean documentation for smooth handover
• Contribute to continuous improvement of backend architecture and services, incorporating customer feedback and industry trends
• Build and maintain self-service tooling to enable non-engineers to diagnose and resolve common issues

Requirements

• Proven experience in Python-based backend development; exposure to frontend technologies (particularly React) is desirable
• Skilled in troubleshooting complex production issues, ensuring rapid resolution and system reliability
• Track record of delivering technical solutions and providing expert guidance to clients in professional services or consulting settings
• Ability to design and build scalable, cloud-based systems and APIs that integrate with client systems
• Experience with database technologies (preferably PostgreSQL) and backend frameworks such as FastAPI
• Knowledge of modern AI tools such as Cursor
• Hands‑on experience working with LLMs and prompt engineering
• Strong communication skills, able to convey complex technical concepts to both technical and non‑technical stakeholders
• Problem‑solving mindset with a passion for customer satisfaction and delivering quality solutions
• Experience with containerization and deployment practices (Docker, Kubernetes, AWS/Azure/GCP) is a plus
• Demonstrated ability to balance technical excellence with business requirements and time constraints

Seniority level: Mid‑Senior level

Employment type: Full‑time

Job function: Information Technology and Engineering

Industries: Information Services