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
6d
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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
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
2mo
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Senior Backend Engineer (Python) - Content Understanding
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$120k-$228k/yr HybridFull Time
7+ YOE7+ years software engineering; Python 5+ years; distributed systems; AWS; Terraform; leadership; bachelor’s in CS.
Python, Scala, Airflow, Spark, Databricks, Terraform, AWS, SQS, SNS, CloudWatch, Datadog
2mo
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Backend Engineer
Toronto, Ontario, Canada
$100k-$130k/yr HybridFull Time
1+ YOEBS in CS; 1+ year experience; proficient in Go, C++, Python, or Java; experience with Postgres, MongoDB, Redis, Cassandra; UNIX, TCP/IP; REST or gRPC APIs; Docker; cloud platforms (GCP or AWS); distributed systems.
Go, C++, Python, Java, PostgreSQL, MongoDB, Redis, Cassandra, UNIX, TCP/IP, REST, gRPC, Docker, GCP, AWS
2mo
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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
3w
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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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Senior Backend Engineer (Applications)
Toronto or Canada
$150k-$190k/yr OnsiteFull Time
Design and build backend systems; proficiency in Java/Python/Kotlin/Go/C# and SQL; strong data modeling and relational schema skills; experience improving scalability, reliability, and observability.
Java, Python, Kotlin, Go, C#, SQL, JavaScript, React, TypeScript, Spring Boot, Django, Postgres, AWS, Docker, Kubernetes
3d
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Staff Backend Developer
Toronto, Ontario, Canada
$121k-$159k/yr HybridFull Time
6+ YOE6+ years software engineering experience, strong system design, hands-on Python/TypeScript, cloud (AWS/GCP/Azure), CI/CD, observability, production distributed systems, mentorship and technical leadership.
Python, TypeScript, AWS, GCP, Azure, CI/CD
2mo
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Senior Backend Engineer
San Francisco or Toronto or Los Angeles or Raleigh
$168k-$210k/yr HybridFull Time
5+ YOE5+ years backend or full-stack experience; 1–2+ years in senior/lead roles; Node.js with TypeScript; GraphQL/REST APIs; distributed systems; strong CS fundamentals; ability to own projects end-to-end; AI tooling experience preferred.
Node.js, TypeScript, GraphQL, REST, Docker, Kubernetes, Python
2mo
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Software Engineer - Backend
Toronto, /, Canada
OnsiteFull Time
5+ YOE5+ years backend software engineering; Go or Python; strong SQL/PostgreSQL; API design in microservices; distributed systems; pricing domain experience preferred.
Go, Python, SQL, PostgreSQL, APIs, Microservices, Distributed Systems, Monitoring
1w
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Senior Backend Engineer (Elixir)
Toronto or Montreal or Canada or United States or Europe
RemoteFull Time
5+ YOE5+ years backend experience, professional Elixir production experience, TypeScript, Git/GitHub, system administration basics, experience with auth/identity and payment/subscription systems, fluent English.
Elixir, TypeScript, Git, GitHub, NestJS, Terraform, Grafana, Python
2w
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Senior Backend Java Engineer
Toronto, Ontario, Canada
$63k-$148k/yr RemoteFull Time
6+ YOE6+ years Java backend experience, strong microservices and API knowledge, experience with Sprong Boot, Kubernetes, databases; exposure to GenAI tools (Claude Code), Python/NodeJS; able to work independently and mentor juniors.
Java, Sprong Boot, Kubernetes, APIs, Claude Code, Python, NodeJS
3mo
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Senior Backend Engineer, Analytics
Toronto, Ontario, Canada
$140k-$180k/yr OnsiteFull Time
5+ YOE5+ years software engineering; distributed systems; Python/Elixir; cloud providers; Kubernetes; data pipelines; REST/GraphQL; CI/CD; collaboration.
Python, Elixir, REST, GraphQL, gRPC, AWS, Google Cloud Platform, Kubernetes, Kafka, RabbitMQ, Docker, CI/CD, GitHub Actions
1mo
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Senior Back-end Developer
Toronto, Ontario, Canada
$120k-$140k/yr HybridFull Time
Proven backend experience building scalable systems with Node.js/Python and TypeScript, PostgreSQL, cloud (GCP/AWS/Azure), microservices, high-volume data pipelines, strong SQL and system design skills.
TypeScript, React, node.js, JavaScript, Python, PostgresSQL, Anthropic, Google Cloud Platform (GCP), Github, Figma, Google Drive, Linear, Notion, Slack, Metabase
3mo
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Senior Backend Engineer
Montreal or Toronto
$140k-$180k/yr HybridFull Time
7+ YOE7+ years of experience with Java and Spring Boot; REST APIs; RabbitMQ or AWS SQS/SNS; NoSQL (MongoDB); AI-assisted development tools; Git, CI/CD; strong collaboration and debugging skills.
Java, Spring Boot, Python, REST APIs, RabbitMQ, AWS SQS/SNS, MongoDB, Claude, Opencode, Git, CI/CD
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
4d
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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
2mo
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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
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
1mo
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Senior Back End Engineer
Toronto, Ontario, Canada
HybridFull Time
5+ YOE5+ years back-end experience with deep Python knowledge; experience with Django or Flask, SQL/NoSQL databases, cloud platforms (AWS, Google Cloud, or Azure); strong system design and scalability skills.
Python, Django, Flask, SQL, NoSQL, AWS, Google Cloud, Azure
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