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
304 senior backend engineer jobs at 139 companies in Niagara Falls, NY
1mo
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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
3mo
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Senior Backend Engineer (.NET & AI/ML)
Toronto or Vancouver or Alberta
$110k-$130k/yr HybridFull Time
7+ YOE7+ years backend experience with .NET, gRPC, SQL Server, MongoDB, Elasticsearch; cloud (AWS/Azure); AI/ML features; strong API design and distributed systems.
.NET Framework, .NET Core, .NET 8+, C#, gRPC, Protocol Buffers, MediatR, SQL Server, MongoDB, Elasticsearch, AWS, Azure, Docker, CI/CD, GitHub Actions, GA4, Segment, Next.js, React, TypeScript, Python (optional), LangChain, MLflow
3w
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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
5d
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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
4w
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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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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
2mo
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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
3w
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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
3d
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Java Backend Developer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOERequires senior backend development experience, strong Java and Spring Boot skills, REST APIs, microservices, databases, Git, problem-solving, independent ownership, and technical leadership.
Java, Spring Boot, REST, SQL Server, Oracle, PostgreSQL, MySQL, Git, Azure, AWS, Google Cloud Platform, Docker, Kubernetes, Kafka, RabbitMQ, Azure Service Bus, CI/CD
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
3w
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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
2mo
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Senior Backend Developer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOE5+ years software development experience; strong Java and Spring Boot skills; experience with REST, JDBC, SQL, OAuth, MTLS; unit testing (JUnit/Mockito/Cucumber); CI/CD and Kubernetes/OpenShift experience; knowledge of Kafka/JMS preferred.
Java, Spring Boot, Spring Framework, Spring JMS, Apache Kafka, IBM WebSphere MQ, JMS, JDBC, HTTP, REST, XML, JSON, Microsoft SQL Server, SQL, OAuth, MTLS, JUnit, Mockito, Cucumber, CI/CD, OpenShift, Red Hat OpenShift, Kubernetes, Amazon S3, S3 Object Storage, Jenkins, Urban Code Deploy, Maven, GraphQL, Ansible, Camunda, ELK Stack, Elastic Search, Logstash, Kibana, Pivotal Cloud Foundry, Microservices Architecture
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 - SE3
Toronto, Ontario, Canada
$118k-$158k/yr HybridFull Time
4+ YOE4+ years building backend or distributed systems; strong experience with Java, Spring/Spring Boot, REST or GraphQL, messaging, and SQL/NoSQL; strong distributed-systems knowledge and communication skills.
Java, Spring, Spring Boot, REST, GraphQL, SQL, NoSQL
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
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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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 Back-End Developer, Rumble Studio
Toronto, Ontario, Canada
$155k-$195k/yr OnsiteFull Time
Senior-level backend engineering with TypeScript/Golang, PostgreSQL and Redis experience, REST/GraphQL APIs, container orchestration, systems design, production debugging, and autonomous ownership of services.
TypeScript, Golang, PostgreSQL, Redis, REST, GraphQL, Docker, Kubernetes, Terraform, Pulumi, ArgoCD, OAuth2, OpenID Connect
2mo
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Senior Java Backend Developer
Mississauga, Ontario, Canada
$90k-$125k/yr OnsiteFull Time
7+ YOERequires 7+ years in server-side Core Java and multithreading, Spring, Linux, relational databases, enterprise architecture, Agile, testing, CI/CD, and strong communication skills; bachelor's degree or equivalent required.
Java, Spring, Spring Boot, Spring MVC, Linux, Jira, GitHub, Sonar, TeamCity, IntelliJ IDEA, Gradle, ION, JSON, XML, REST, KDB, Microsoft Copilot, Claude, Devin, Agile, UAT, CI/CD
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