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
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
6d
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Staff Backend Engineer
Toronto, Ontario, Canada
HybridFull Time
10+ YOE10+ years experience; BS in EE or CS (or advanced degree with equivalent experience); expertise in backend development with Java/Kotlin/C#/C++/JavaScript, Node.js or Spring Boot, GraphQL federation, Kubernetes, Docker, CI/CD; strong communication.
Node.js, Spring Boot, DGS, GraphQL, Apollo Federation, Java, Kotlin, C#, C++, JavaScript, Kubernetes, Docker, CI/CD
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
2w
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Senior Backend Engineer - Agentic Pentest
Toronto or Tel Aviv-Yafo or Canada or United States
RemoteFull Time
5+ YOEBachelor's degree in CS or related field, 5+ years backend experience, proficiency with Node.js, SQL/NoSQL, cloud platforms and microservices, active use of AI tools (Copilot, LLMs), strong problem-solving and mentoring skills.
Copilot, LLMs, Node.js, SQL, NoSQL, AWS, GCP, Docker, Kubernetes
1mo
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Backend Performance Testing Engineer
Toronto, Ontario, Canada
$75k-$98k/yr HybridFull Time
4+ YOE4+ years experience in backend performance testing with LoadRunner/JMeter/K9, Dynatrace monitoring, strong SQL skills, and analytical problem-solving.
Playwright, Python, LoadRunner, JMeter, K9, Dynatrace, SQL, Kubernetes, PurePaths
1w
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Senior Consultant Azure GenAI Backend Engineer (RAG & Serverless Focus) (PL861)
Toronto, Ontario, Canada
HybridContract
Hands-on experience building RAG solutions with Azure OpenAI and Azure AI Search, serverless Azure deployments, backend development in Python/Java/Node.js, CI/CD, and infrastructure as code.
Azure OpenAI, Azure AI Search, Azure Functions, Logic Apps, Azure Container Apps, Azure App Services, Azure Storage, Key Vault, Azure DevOps, GitHub Actions, Terraform, Bicep, Docker, Kubernetes, Python, Java, Node.js
3w
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Senior Software Engineer, Backend
Toronto, Ontario, Canada
$120k-$160k/yr HybridFull Time
5+ YOE5+ years backend experience, career-focused on Python; production experience with Django or similar (FastAPI/Flask); PostgreSQL, REST APIs, Celery, Redis, Git; strong debugging, ownership, and scalability skills.
Python, Django, FastAPI, Flask, PostgreSQL, REST APIs, Celery, Redis, Git, AWS, NumPy, pandas
1w
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Staff Software Engineer (Backend) - Everand Core
San Francisco or Ottawa or Phoenix or Toronto or Los Angeles or Denver or Salt Lake City or Atlanta or Chicago or Houston or Portland or New York City or Vancouver or San Diego or Sacramento or Jacksonville or Seattle or Mexico City or Austin or Miami or Boston or Dallas or Charlotte
$141k-$267k/yr HybridFull Time
Significant backend engineering experience building and scaling distributed systems; strong coding in Ruby/Scala/Go/Python; expertise in reliability, observability, SLOs, and mentoring; cross-functional collaboration experience.
Ruby, Scala, Go, Python
2w
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Staff Java Engineer (Backend)
Toronto, Ontario, Canada
$118k-$152k/yr OnsiteFull Time
10+ YOE10+ years software engineering experience with expert Java and Spring Boot; experience with microservices, REST APIs, cloud platforms (AWS/Azure/GCP), CI/CD, Kubernetes; strong mentoring and architectural skills.
Java, Spring Boot, Microservices, REST APIs, CI/CD, Kubernetes, Kafka, AWS, Azure, GCP, DevSecOps
1mo
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Software Developer
Tonawanda, New York, United States
$77k-$112k/yr OnsiteFull Time
7+ YOEBachelor's in CS or related, 7+ years software development, full-stack expertise (frontend SPA, backend Python), system architecture, relational DB design, mentorship, and willingness to travel up to 20%.
Vue.js, Python, FastAPI
3mo
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Senior Application Developer
Toronto, Ontario, Canada
$120k-$130k/yr HybridFull Time
5+ YOE5–7 years backend software development experience; Python and Java; strong SQL; AWS; CI/CD; Docker; scripting; collaboration and mentorship.
Python, Java, SQL, AWS, Docker, Kubernetes, Terraform, CloudFormation, Bash, GCP, Azure, CI/CD, Jenkins, LLM/tools
1mo
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Senior Software Developer
Toronto or St. Catharines or Montreal
$120k-$130k/yr HybridFull Time
6+ YOE6+ years building and shipping production software; hands-on experience putting LLMs into production (RAG, agents, evals); strong backend and frontend skills; proficiency with Git/GitHub and cloud platforms.
TypeScript, Node, React, VueJS, Vite, Tailwind, PostgreSQL, MySQL, MsSQL, Python, Cloudflare, AWS, Azure, MCP, Docker, Git, GitHub, Jira, GraphQL, LLM
2w
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Senior Software Engineer II, Cloud Data Ingestion & Transformation
Toronto, Ontario, Canada
$187k-$300k/yr HybridFull Time
6+ YOE6+ years full-stack development experience, strong backend focus; technical leadership and architectural experience; knowledge of data pipelines, distributed systems, and modern web stacks.
Kafka, Airflow, Sidekiq, SQS, RabbitMQ, Python, Django, React, Ruby on Rails, Snowflake
1mo
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Software Developer Sr
Toronto or Minneapolis or United States or Europe or Africa or Asia or Australia
$95k-$170k/yr RemoteFull Time
Senior-level platform engineer with experience building scalable backend services and extensible APIs using C#/.NET, Microsoft SQL Server, Microsoft Azure, familiarity with LLM-based AI tooling, and strong mentoring and communication skills.
GitHub Copilot, Cursor, Claude Code, LLMs, C#, .NET, Microsoft SQL Server, Microsoft Azure, Dayforce Workflow
1mo
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Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Experience building backend or full-stack production systems; strong fundamentals in databases, APIs, queues, async workflows, and observability; comfortable with TypeScript/Node and integrating AI/LLMs into production.
TypeScript, Node, LLMs
4w
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Principal AI Platform Engineer
Toronto or Waterloo or Montreal or Calgary or Vancouver
OnsiteFull Time
Expert backend development with Java/Python (Spring Boot, Fast API), cloud-native microservices on AWS/GCP/Azure, Docker/Kubernetes/OpenShift, CI/CD and GitOps, identity (OAuth2, JWT, mTLS), SQL/NoSQL, enterprise governance, and team leadership.
Java, Python, Spring Boot, Fast API, REST APIs, AWS, GCP, Azure, Docker, Kubernetes, OpenShift, CI/CD, infrastructure-as-code, GitOps, OAuth2, JWT, mTLS, SQL, NoSQL
3d
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Principal Software Engineer
Buffalo, New York, United States
$140k-$233k/yr HybridFull Time
7+ YOEExpert-level engineering with 7+ years experience designing enterprise-scale systems across mobile, backend, cloud, Kubernetes, databases, security, and SDLC; strong coding, architecture, and mentorship skills.
AKS, Kubernetes, Azure DevOps, Terraform, GitLab, Java, Kotlin, Spring Boot, gRPC, GraphQL, Istio, Helm, SQL Server, Oracle, PostgreSQL, OAuth2, OIDC, Azure AD/Entra, Key Vault, App Services, Functions, Storage, Monitor
6d
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Software Engineer, User Profile
Alberta or Calgary or Canada or Toronto or Vancouver
RemoteFull Time
2+ YOE2+ years backend experience, strong algorithms/problem solving, experience with Go/Java/Python/C++ and distributed systems, Kafka and distributed databases experience preferred.
Golang, Kafka, Kubernetes, Redis, ScyllaDB, TiDB, Java, Python, C++
1mo
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Staff Software Engineer
Draper or Toronto or Pittsburgh or Cork
$153k-$294k/yr OnsiteFull Time
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
8+ YOE8+ years building production backend or full-stack systems; strong Python, Postgres, API integration with OAuth; experience with distributed/asynchronous systems; leadership in technical execution.
Python, PostgreSQL, SQL, AWS, Docker, React, TypeScript
2w
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Lead Software Engineer AI (Staff Engineer)
Eagan or Frisco or Toronto or Ann Arbor
$127k-$237k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent, 5+ years full-stack experience building scalable cloud applications; expertise in C#/.NET, backend architecture, APIs, distributed systems, and AI integration (LLMs, OpenAI/Anthropic); front-end skills (JavaScript/Typescript, Angular/React); AWS, PostgreSQL/SQLServer, CI/CD.
C#, .NET, ASP.NET Core, FastAPI, SQLServer, PostgreSQL, AWS, Vercel, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions, OpenAI, Anthropic, LLMs
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