Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
272 senior backend developer jobs at 136 companies in Niagara Falls, NY
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
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 products, strong communication and organizational skills, startup/entrepreneurial mindset.
Java
1d
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Senior Backend Engineer
Bedford or Calgary or Markham or Toronto or Vancouver or Ottawa
$137k-$186k/yr RemoteFull Time
5+ YOERequires 5–10 years building distributed backend systems, expertise in Go, Java, or C++, cloud and Kubernetes experience, systems knowledge, and a bachelor's degree or equivalent.
Go, Java, C++, Kubernetes
2mo
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Senior Back End Developer
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years backend development; Java; Spring Boot; REST APIs; Microservices; Oracle/PostgreSQL; Kafka; containerized apps; cloud platforms (AWS/Azure/OpenShift/GCP).
Java, Spring Boot, REST, Kafka, Oracle, PostgreSQL, OpenShift, AWS, Azure, GCP, Docker, Kubernetes
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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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
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
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
4w
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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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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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Senior Backend Developer, Campaigns Team
Toronto, Ontario, Canada
$140k-$180k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience building large distributed, concurrent systems; strong backend skills (Python/Ruby), relational DB design (PostgreSQL), cloud (Google Cloud Platform), Kubernetes, Kafka, CI/CD, and leadership.
Python, Ruby, PostgreSQL, RESTful, GraphQL, gRPC, Google Cloud Platform, Kubernetes, Kafka, RabbitMQ, Docker, GitHub Actions, git, CI/CD
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
2w
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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
3w
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Java Backend Developer
Mississauga, Ontario, Canada
$85k-$120k/yr OnsiteFull Time
7+ YOERequires 7+ years developing Java backend systems, Spring Boot and REST microservices, databases, containers, testing, CI/CD, and collaborative Agile delivery.
Java, Spring Boot, Apache Kafka, Oracle, MongoDB, Microsoft SQL Server, Docker, Kubernetes, JUnit, Git, Bitbucket, GitHub, Maven, Gradle, JSON, XML
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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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
2w
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Senior Java Backend Engineer
Toronto, Ontario, Canada
$84k-$135k/yr HybridFull Time
10+ YOEBachelor's degree and 10+ years backend engineering experience. Deep hands-on Java, Spring Boot, Apache Kafka, AWS, and SQL. Experience with distributed systems, CI/CD, testing, Agile; Docker/Kubernetes preferred.
Java, Spring Boot, Apache Kafka, AWS, SQL, Docker, Kubernetes
3mo
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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
1mo
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Senior Backend Principal Developer Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
6+ YOE6+ years backend development with Java, distributed systems and microservices; experience with OAuth2/OpenID Connect, cloud-native on GCP/AWS, Docker/Kubernetes; bachelor's degree or equivalent.
Java, OAuth2, OpenID Connect, GCP, AWS, Docker, Kubernetes, ReactJS, Unix, Oracle
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