PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1mo
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Backend Software Engineer
Toronto, Ontario, Canada
$118k-$158k/yr OnsiteFull Time
5+ YOEBS in CS/EE (or equivalent) with 5+ years experience (masters/PhD experience tradeoffs), strong CS fundamentals, proficiency with Java/Kotlin/Python, backend and API development, SQL/GraphQL knowledge, testing and Agile practices.
Java, Kotlin, Python, GraphQL, SQL, RESTful APIs, Claude Code, GitHub Copilot, Cursor
1mo
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Software Engineer (Backend), Content Foundations
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Mexico City or Miami or New York City or Ottawa or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Toronto or Vancouver or Washington, D.C.
$104k-$187k/yr HybridFull Time
4+ YOE4+ years as a software engineer; backend/data pipelines; comfortable with messy data; proficient in Ruby, Python, or Go; AWS experience; SQL; collaborative and communicative.
Ruby, Python, Go, AWS, S3, SQS, SNS, SQL
1mo
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Senior Software Engineer, Backend
Toronto, Ontario, Canada
HybridFull Time
4+ YOE4+ years post-BS/MS backend software engineering experience; strong distributed systems, REST/gRPC, database and CS fundamentals; experience building platform infrastructure and enterprise features; attention to security and privacy.
REST, gRPC
3mo
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Software Engineer, Backend (All Levels)
Toronto, Ontario, Canada
HybridFull Time
3+ YOE3+ years software engineering; BS or higher in CS or related field; web app and API development; Python, Javascript, React, GraphQL; Kubernetes, Spinnaker, Jenkins, Kibana, Prometheus, Grafana; quick learner of new frameworks; startup environment and API integrations a bonus; AI/ML interest a bonus.
Python, Javascript, React, GraphQL, Kubernetes, Spinnaker, Jenkins, Kibana, Prometheus, Grafana
2w
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Software Engineer, Backend - Unified Gateway
Toronto, Ontario, Canada
$120k-$150k/yr OnsiteFull Time
2+ YOE2+ years backend/platform engineering; experience with gRPC, REST, Protocol Buffers, Kotlin (or JVM), distributed systems, API gateway concepts, and high-throughput production systems.
gRPC, Protocol Buffers, Kotlin, Vert.x, OpenAPI, Claude Code, Codex, Cursor
2w
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Backend Engineer
Toronto or Canada
$85k-$105k/yr RemoteFull Time
3+ YOE3+ years backend experience, strong SQL and C#, .NET/.NET Core, data modeling, API development, performance tuning, and TDD; experience with large-scale systems.
.Net Framework, .NET, .NET Core, C#, SQL Server, SQL, REST, APIs, GIT, Angular, Azure
1mo
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Staff Backend Engineer
Toronto or Canada
$175k-$200k/yr HybridFull Time
Deep TypeScript and backend expertise with NestJS, event-driven systems (Kafka), PostgreSQL/MongoDB, AI/LLM integration experience, product-minded building, and ability to mentor engineers.
TypeScript, NestJS, Kafka, PostgreSQL, MongoDB, Claude Code, Cursor, LLMs
2mo
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Lead Backend Developer
Toronto, Ontario, Canada
$147k-$192k/yr OnsiteFull Time
7+ YOE7+ years in software engineering; distributed, event-driven backends; cloud experience; strong architectural judgment; leadership and mentoring; focus on reliability and observability.
Google Cloud Platform, Event-driven architecture, Pub/Sub, Monitoring and observability, Distributed systems
1mo
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Member of Technical Staff - Backend Software Engineer
Toronto, Ontario, Canada
$100k-$300k/yr OnsiteFull Time
3+ YOE3+ years backend experience; proficiency in Go or Python; experience with distributed systems, message queues, containerization (Docker, Kubernetes), and building scalable APIs and GPU processing pipelines.
Go, Gin, GORM, Python, FastAPI, asyncio, aiohttp, Redis, RabbitMQ, Temporal, NATS, Kafka, Docker, Kubernetes, CI/CD, PyTorch, TensorRT, Triton, FFmpeg, OpenCV, fMP4, HLS, PTS, Stripe, Airflow
1w
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Senior Backend Engineer, Growth & Agents
Toronto, Ontario, Canada
$160k-$215k/yr HybridFull Time
5+ YOE5+ years software engineering experience; strong track record shipping production backend systems; experience with TypeScript and/or Python; experience building AI-powered or communication platforms is a plus.
TypeScript, Python
1mo
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Senior Backend Engineer - Payroll - Toronto
Toronto or Canada
$148k-$189k/yr OnsiteFull Time
6+ YOE6+ years backend software engineering for SaaS, located in Toronto metro; experience with Java/Kotlin/Scala, AWS, PostgreSQL/MySQL, testing methodologies; shipped customer-facing features.
Java, Kotlin, Scala, AWS, PostgreSQL, MySQL
4d
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Backend Engineer III
Toronto, Ontario, Canada
$105k-$125k/yr HybridFull Time
4+ YOE4+ years building backend services and APIs with strong Python, REST API design, relational databases, ORMs, testing, and production-grade performance and reliability.
Python, FastAPI, Flask, Django, PostgreSQL, SQLAlchemy, Alembic, Docker, CI/CD, LLM, RAG
2w
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Intermediate Backend Engineer
Toronto, Ontario, Canada
$80k-$89k/yr HybridFull Time
Python-first backend developer with web framework, GraphQL, SQL, git, and deployment experience; able to build and maintain scalable APIs and integrate third-party systems.
Python, TypeScript, SQL, git, FastAPI, Django, Flask, Strawberry, Ariadne, Saleor, ERPNext, Microsoft Power BI, CloudSQL, pip, uv, venv, pyproject.toml, Docker
3mo
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Senior Backend Engineer
Toronto, Ontario, Canada
$130k-$174k/yr HybridFull Time
Backend engineering with MongoDB, GraphQL, Node.js/TypeScript, Python; AWS serverless; data pipelines; observability; scale.
Node.js, TypeScript, Python, GraphQL, MongoDB, Atlas Search, Vector Search, AWS, Terraform, CI/CD, GitHub Actions
2mo
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Senior Backend Engineer (SaaS, Data & AI)
Toronto, Ontario, Canada
RemoteFull Time
10+ YOE10+ years software engineering; backend SaaS experience; API/services; cloud platforms; data/AI integration
Node.js, Java, Go, Python, AWS, GCP, Azure, REST, GraphQL, gRPC, containers, distributed systems, pandas, ML frameworks
2w
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Senior Backend Engineer
Toronto, Ontario, Canada
OnsiteFull Time
6+ YOE5+ years Java, 6+ years backend development, experience building and scaling production-ready financial products, strong communication and organizational skills, startup/fintech experience preferred.
Java
1mo
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Senior Backend Engineer - Payroll - Toronto
Toronto, Ontario, Canada
$148k-$189k/yr OnsiteFull Time
6+ YOEMust be located in the Toronto metro area; 6+ years backend SaaS engineering experience; strong software design skills; experience with Java/Kotlin/Scala, AWS, and relational databases; testing and delivery experience.
Kotlin, Scala, Java, AWS, PostgreSQL, MySQL
1w
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Staff Backend Developer
Toronto, Ontario, Canada
$145k-$191k/yr HybridFull Time
6+ YOE6+ years software engineering experience, strong system design, hands-on Python/TypeScript, cloud (AWS/GCP/Azure), CI/CD, automated testing, observability, and experience shipping production distributed systems.
Python, TypeScript, AWS, GCP, Azure, CI/CD
1mo
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Staff Backend Engineer
Toronto, Ontario, Canada
$150k-$160k/yr HybridFull Time
Strong experience designing scalable microservices and distributed systems; hands-on with Docker, Kubernetes, CI/CD, relational and document databases; production backend development in Golang, Python, or Java; experience integrating AI/LLM workflows preferred.
Kafka, RabbitMQ, Docker, Kubernetes, CI/CD, PostgreSQL, MySQL, MongoDB, LLM, Golang, Python, Java
1mo
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Senior Backend Engineer - Payroll - Toronto
Toronto or New York City or Canada
$148k-$189k/yr OnsiteFull Time
6+ YOE6+ years backend software engineering for SaaS; located in Toronto metro; experience shipping customer-facing features; Java/Kotlin/Scala; testing methodologies (unit testing, TDD); AWS; relational databases (PostgreSQL, MySQL).
Java, Kotlin, Scala, AWS, PostgreSQL, MySQL, TDD
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