284 backend software engineer jobs at 153 companies in Grand Island, NY
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Backend Software Engineer
Toronto, Ontario, Canada
$118k-$158k/yr OnsiteFull Time
5+ YOEBS in CS/EE (or equivalent) with 5+ years experience (masters/PhD experience tradeoffs), strong CS fundamentals, proficiency with Java/Kotlin/Python, backend and API development, SQL/GraphQL knowledge, testing and Agile practices.
Java, Kotlin, Python, GraphQL, SQL, RESTful APIs, Claude Code, GitHub Copilot, Cursor
2w
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Software Engineer, Backend - Unified Gateway
Toronto, Ontario, Canada
$120k-$150k/yr OnsiteFull Time
2+ YOERequires 2+ years in backend, infrastructure, or platform engineering; gRPC, REST APIs, Protocol Buffers, service communication, Kotlin or another JVM language, distributed systems, API gateways, and AI coding tools.
gRPC, REST, Protocol Buffers, Kotlin, JVM, Vert.x, OpenAPI, Claude Code, Codex, Cursor, iOS, Android, Web
2mo
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Senior Software Engineer, Backend
Toronto, Ontario, Canada
HybridFull Time
4+ YOE4+ years post-BS/MS backend software engineering experience; strong distributed systems, REST/gRPC, database and CS fundamentals; experience building platform infrastructure and enterprise features; attention to security and privacy.
REST, gRPC
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Software Engineer, Backend - Unified Gateway
Toronto, Ontario, Canada
$120k-$150k/yr OnsiteFull Time
2+ YOE2+ years backend/platform engineering; experience with gRPC, REST, Protocol Buffers, Kotlin (or JVM), distributed systems, API gateway concepts, and high-throughput production systems.
gRPC, Protocol Buffers, Kotlin, Vert.x, OpenAPI, Claude Code, Codex, Cursor
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
6d
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Backend Engineer, Operations Technology
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
Mid-level backend engineer with software engineering and system architecture experience, proficiency in Python, SQL, or Go, distributed systems, microservices, cloud platforms, containers, Agile, and technical mentorship.
Python, SQL, Go, AWS, Azure, GCP, Docker, Kubernetes
3d
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Backend Engineer, Link (US)
New York City or Seattle or San Francisco or Toronto
HybridFull Time
2+ YOERequires 2–10+ years of industry software engineering experience, strong coding and collaboration skills, autonomy, and interest in backend work across varied technologies and stacks.
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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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, 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
4w
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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
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
4d
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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
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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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
2d
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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
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Software Developer - Backend (Intermediate to Senior)
Toronto, Ontario, Canada
$100k-$190k/yr OnsiteFull Time
3+ YOEBSc in CS/Engineering/Physics/Math,3+ years (intermediate) or 7+ years (senior) software development experience; strong Python/Go/Rust, PostgreSQL, Docker, cloud (AWS/GCP), API and CI/CD skills.
Python, Go, Rust, PostgreSQL, SQL, Docker, Docker Compose, GitHub Actions, Infrastructure as Code, AWS, Google Cloud, S3, DynamoDB, Lambda, ECS, API Gateway, Jupyter, NumPy, SciPy, pandas, xarray, IPKISS, GDSFactory, KLayout
1w
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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
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
1d
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Intern, Backend Software Engineer - Team Interstellar - Winter 2027
Toronto, Ontario, Canada
$45k-$85k/yr HybridInternship
Bachelor's degree or higher expected by December 2026 or later; backend and API familiarity, testing fundamentals, communication skills, and team collaboration. Java, TypeScript, Python, Git, AWS, databases, or pipelines preferred.
Java, TypeScript, SQL, Python, Spring Boot, Middy, AWS, AWS Lambda, Amazon ECS Fargate, DynamoDB, AWS SAM, Amazon CloudWatch, Amazon SNS, Snowflake, Vitest, JUnit, Cucumber, Mockito, Jenkins, Docker, Git
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