cover image
Calyptus

Backend Engineer

Remote

England, United kingdom

Full Time

23-10-2025

Share this job:

Skills

Communication Python Go PostgreSQL Docker Kubernetes Problem-solving Sales Architecture Machine Learning Azure react AWS GCP FastAPI

Job Specifications

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.

Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.

____________________________________________________________

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

____________________________________________________________

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.

Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.

About the Company

Calyptus is Web3's gamified hiring platform powered by AI and blockchain technology. To date, we've helped thousands of professionals boost their employability or land their dream job in Web3. Access our platform any time to kickstart your onchain resume, find top job opportunities, learn Ethereum or Solana development, attend live workshops from industry leaders and make the most of our fast-growing community. All completely for free. Trusted by the biggest employers in Web3 from Aave to Wintermute. Don't know where to ... Know more