Senior Backend Developer – Java, Spring

TransCrypts; Toronto; On-site; CAD 100,000 - 130,000; Full time

Job summary

A cutting-edge technology company in Toronto is seeking an experienced backend developer to own the delivery of AI features from design to deployment. You will be responsible for developing Supabase Edge Functions, integrating with various LLM providers, and ensuring secure data practices. The ideal candidate has over 7 years of backend development experience and strong proficiency with Supabase technologies. This full-time position supports a dynamic environment with excellent benefits including dental and health care.

Benefits

Dental care

Extended health care

Life insurance

Paid time off

Vision care

Qualifications

• 7+ years of experience in backend development.
• Proficiency with Supabase, including Postgres and Auth.
• Experience building and deploying Edge Functions.
• Knowledge of LLM APIs like OpenAI and Google Gemini.

Responsibilities

• Take ownership of backend delivery for AI features.
• Develop and deploy Supabase Edge Functions.
• Integrate with various LLM providers.
• Implement secure request verification.
• Design and maintain Postgres schemas.

Skills

Backend development

Supabase (Postgres, Auth, RLS)

TypeScript

LLM APIs knowledge

Secure authentication protocols

Postgres schema design

Performance optimization

Communication skills

Job description

Requirements

• 7+ years of experience in backend development
• Proficiency with Supabase (Postgres, Auth, RLS)
• Experience in building and deploying Supabase Edge Functions using TypeScript
• Familiarity with LLM APIs (OpenAI, Anthropic Claude, Google Gemini)
• Strong understanding of secure authentication and data access protocols
• Ability to design Postgres schemas and SQL migrations
• Knowledge of performance optimization strategies such as caching and rate limiting
• Excellent communication skills and collaborative mindset
• Proven track record of shipping successful projects

Responsibilities

• Take ownership of backend delivery for AI features from design to deployment
• Develop and deploy Supabase Edge Functions ensuring reliability in production
• Integrate with various LLM providers while managing routing and fallback strategies
• Implement secure request verification and enforce Row Level Security in Postgres
• Design and maintain Postgres schemas and handle SQL migrations effectively
• Enhance developer experience by creating stable, well-documented APIs
• Facilitate collaboration with iOS and product teams to resolve blockers
• Communicate project trade-offs and decisions clearly to stakeholders

Company

At TransCrypts, we are on a mission to revolutionize digital trust in the age of AI. We have successfully secured $20 million in seed funding and are rapidly growing across a variety of product lines. Featured in reputable publications such as Forbes and Bloomberg, we pride ourselves in our dynamic work culture. This full-time position is based in our office, where we foster a collaborative environment that encourages innovation and ownership. Our comprehensive benefits include dental care, extended health care, life insurance, paid time off, and vision care.