112 back end developer jobs at 70 companies in Newfane, NY
3mo
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Senior Back End Developer, Mobile Services
Toronto, Ontario, Canada
OnsiteFull Time
3+ YOESenior back-end developer with Spring Boot; leads development teams; Cloud platforms (OpenShift, Azure, AWS); API design; DevOps practices.
Spring Boot, OpenShift, Azure, AWS, OpenAPI, GraphQL, GitHub Actions, OCP, MQ Series, Kafka, Redis
3d
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Back-End Software Engineer
Toronto, Ontario, Canada
$86k-$136k/yr HybridFull Time
5+ YOERequires 5+ years in back-end development and Azure cloud-native solutions, with Databricks, PySpark, Azure Data Factory, SQL Server, CI/CD, system design, and distributed-team communication experience.
Databricks, PySpark, Python, Azure Data Factory, SQL Server, Microsoft Azure, Azure DevOps, Jenkins, GitHub Actions, UML, Java, Spring Boot, Power BI, JavaScript, React, Node.js, New Relic, Dynatrace, Moogsoft, CI/CD, GitHub
1mo
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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
3mo
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Senior Backend Developer
Toronto, Ontario, Canada
$120k-$135k/yr RemoteFull Time
5+ YOE5+ years backend development; Rust and Nix; Linux-based cloud services; REST/GraphQL; Git and IaC; English fluency; bachelor’s in CS/CE or equivalent.
Rust, Nix, Node.js, Java, Git, Linux, REST, GraphQL, WebSockets, HTTPS, Infrastructure as Code
1w
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Node.JS backend developer
Toronto, Ontario, Canada
$70k-$95k/yr OnsiteFull Time
5+ YOE5+ years software development experience building Node.js/TypeScript backend services, APIs, microservices; experience with SQL/NoSQL, cloud platforms, containerization, CI/CD, and secure coding.
Node.js, TypeScript, Express.js, NestJS, SQL Server, PostgreSQL, MongoDB, AWS, Azure, GCP, Docker, Kubernetes, Git, CI/CD, Kafka, React, Angular
1w
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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 products, strong communication and organizational skills, startup/entrepreneurial mindset.
Java
2mo
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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
3w
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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
3w
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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
3w
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Senior Developer, Backend - Developer Infrastructure
Ottawa or Toronto or Calgary
$125k-$165k/yr RemoteFull Time
Strong experience with Ruby/Rails, designing maintainable systems, testing and CI, platform/tooling and developer experience, strong communication and mentorship skills.
Ruby, Ruby on Rails, React, GraphQL
1mo
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Backend Engineer, Developer SDKs (Golang)
Toronto, Ontario, Canada
$135k-$258k/yr OnsiteFull Time
6+ YOE6+ years engineering experience, 3+ years as a Golang engineer, interest in multiple languages, and a passion for API design and developer experience.
Golang, Node.js, PHP, Ruby, Open API spec, protobuf
2w
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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
2mo
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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
1w
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Senior Backend Engineer
Canada or Toronto
$172k-$202k/yr RemoteFull Time
Strong TypeScript/Node experience, Kubernetes and AWS familiarity, event-driven microservices, databases (Postgres, Mongo, Elastic, Redis), observability, and ability to design and own backend systems.
Node, Typescript, Kubernetes, AWS, RabbitMQ, Postgres, Mongo, Elastic, Redis, Datadog, Figma, Linear, Notion, Slack
3w
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Senior Back-End Developer
Toronto, Ontario, Canada
HybridFull Time
7+ YOEUniversity degree in Computer Science or related,7+ years backend experience with Node.js/JavaScript,proficiency with relational and NoSQL databases,cloud platforms,CI/CD and testing,strong leadership and communication.
Node.js, JavaScript, PostgreSQL, MySQL, Redis, MS SQL Server, AWS, Azure, Heroku, GraphQL, Angular, Docker
1mo
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Senior Backend Engineer - Experience Group
Toronto, Ontario, Canada
RemoteFull Time
5+ YOE5+ years backend development experience; proficiency with Node.js and TypeScript; cloud experience (AWS, Azure, or GCP); experience with microservices, API design, CI/CD; strong communication and customer-facing skills.
Node.js, TypeScript, AWS, Azure, GCP, Copilot, LLMs, CI/CD
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
1mo
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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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Lead Backend Developer
Toronto, Ontario, Canada
$147k-$192k/yr OnsiteFull Time
7+ YOE7+ years building and operating backend/platform systems, strong distributed systems and reliability experience, Python and GCP familiarity, observability and on-call experience, mentoring and technical leadership.
Python, Google Cloud Platform
1mo
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Sr. Developer – Application Development (Back-End)
Thornhill, Ontario, Canada
OnsiteFull Time
Design and develop secure, scalable backend systems, APIs and microservices using Node.js or Java Spring Boot; implement authentication/authorization and data security; collaborate with cross-functional teams and troubleshoot production issues.
Node.js, Java Spring Boot
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