295 backend developer jobs at 164 companies in Newfane, NY
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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
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
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
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
2mo
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Backend Engineer, Data
Canada or Toronto
$172k-$258k/yr HybridFull Time
6+ YOE6+ years software engineering experience building data services, strong backend and SQL skills, experience with distributed data frameworks (Spark/Hadoop/Pig), and ability to communicate cross-functionally.
Spark, Scala, Airflow, Java, SQL, Python, Hadoop, Pig, Go
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
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
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
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
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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Senior Backend Engineer - Brand Platform
Kitchener or Toronto
$156k-$215k/yr HybridFull Time
Experience designing backend services with Kotlin/Java, NewSQL (CockroachDB), building APIs, applying AI for engineering productivity, and improving performance at scale.
Kotlin, Java, JUnit, Hibernate, Guice, Jersey, HTTP, JSON, Protocol Buffers, MySQL, CockroachDB, AWS
1w
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Staff/Senior Backend Engineer (Node.js)
London or Netherlands or Germany or Prague or Brazil or Dublin or Barcelona or Toronto or Warsaw
RemoteFull Time
Mimica: Automates enterprise process discovery and mapping using artificial intelligence.
8+ YOE8+ years backend engineering experience, strong Node.js/JavaScript/TypeScript skills, experience with scalable architectures, APIs, databases, distributed systems, Docker/K8s, and strong communication.
Node.js, JavaScript, TypeScript, Docker, K8s, PostgreSQL, MongoDB, MERN
2w
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Intermediate Backend Developer (C# & SQL Server) - Remote
Toronto or Ottawa
$60k-$85k/yr RemoteFull Time
5+ YOE5+ years backend development experience with C# and .NET 4.8, strong T-SQL/SQL Server skills, API and CI/CD experience, agile practices, and strong communication.
C#, .NET 4.8, T-SQL, SQL Server, Oracle, Powerflex, ABL (Area Benefits LifeWorks), CI/CD
2mo
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Senior Full Stack Backend Engineer
North York, Ontario, Canada
HybridFull Time
8+ YOE8+ years backend experience; strong Ruby and Ruby on Rails skills; SQL (PostgreSQL/MySQL), Redis, background job experience (Sidekiq/Rescue), Git/GitHub, DevOps basics (Heroku, AWS, S3, Cloudflare), testing (Rspec/minitest), familiarity with payment systems (Stripe, Paypal).
Ruby, Ruby on Rails, PostgreSQL, MySQL, Redis, Sidekiq, Rescue, Git, GitHub, Heroku, AWS, S3, Cloudflare, Rspec, minitest, CircleCI, CodeShip, Stripe, Paypal, Javascript, CSS, HTML, NodeJS, Python, Erlang, Elixir
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