12 systems software intern jobs at 9 companies in Lockport, NY
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Software Engineering Intern, Backend
Toronto, Ontario, Canada
OnsiteInternship
Pursuing a CS or related undergraduate degree (3rd+ year), available for a 4–12 month on-site internship in Toronto/GTA, 1+ prior software internship, knowledge of data structures, algorithms, system design, and server-side frameworks (Node.js/Express or Python/FastAPI).
TypeScript, Node.js, Express, Python, FastAPI, AWS DynamoDB, AWS S3, Redis, Apache Iceberg, AWS Lambda, AWS Step Functions, AWS SQS, SST, Pulumi, GitHub Actions
1mo
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Software Engineering Intern, Data Platform
Toronto, Ontario, Canada
OnsiteInternship
Pursuing a bachelor's in Computer Science or related field (3rd+ year), available for a 4–12 month on-site internship in Toronto, completed ≥1 prior software internship, knowledge of data structures, algorithms, system design, and experience with a compiled language (e.g., Java).
Java, Python, Spring Boot, Apache Iceberg, Apache Doris, AWS S3, AWS Kinesis, Apache Kafka, Apache Flink, Apache Spark, Pulumi, AWS CDK, GitHub Actions
2mo
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Senior Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Systems-level software engineer with strong C/C++ experience, deep knowledge of database internals, data structures, algorithms, and OS concepts; proven experience building high-performance systems.
C, C++, SQL
1mo
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Business Systems Developer
Medina, New York, United States
$125k/yr OnsiteFull Time
Experience building internal or customer-facing software, translating business processes into practical solutions, web apps, integrations, APIs, SQL databases, cloud and automation experience, familiarity with AI, and strong communication skills.
APIs, SQL, artificial intelligence
1d
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Software Engineering SMTS
Toronto, Ontario, Canada
$130k-$179k/yr HybridFull Time
3+ YOE3+ MgmtBachelor's degree in Computer Science or equivalent, 3+ years in systems or database internals programming, 3+ years technical leadership, distributed systems expertise, and strong Java or C skills.
Java, C, PostgreSQL
2mo
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Senior Software Security Engineer
Toronto or United States or Canada
$159k-$198k/yr HybridFull Time
5+ YOE5+ years in software engineering with a focus on security engineering, platform engineering, or infrastructure security; experience building internal tooling in cloud-native environments; strong backend/API/automation skills; secure authentication/authorization; CI/CD integration; Kubernetes and distributed systems; AI-enabled systems a plus.
Kubernetes, AWS, GCP, CI/CD, OAuth/OIDC, RBAC, APIs, Cloud-native, Security tooling
1mo
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Staff Software Engineer
Toronto, Ontario, Canada
$168k-$209k/yr HybridFull Time
Strong backend/distributed systems experience, expertise with Java or C/C++, deep database internals knowledge, experience with replication/CDC, cloud and container tooling, and ability to lead technical direction and mentor engineers.
Java, C/C++, SQL, Docker, Bazel, Buildkite, GCP, AWS, Azure, Linux, Unix, Windows, git, Oracle, Relational databases
1mo
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Staff Software Engineer, Internal Tools
Toronto or San Francisco
$165k-$235k/yr HybridFull Time
8+ YOE8+ years software engineering experience; deep distributed-systems and full-stack skills; Node.js/TypeScript, React/TypeScript, PostgreSQL (Drizzle ORM), Python; experience shipping production systems and working with OpenAI/Google Gemini APIs.
Node.js, TypeScript, Express, React, PostgreSQL, Drizzle ORM, Python, OpenAI, Google Gemini, Claude Code, Codex, Cursor, MCP, LLM
2mo
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Senior Staff Software Engineer - International Card Tech - Full-stack
Toronto, Ontario, Canada
$184k-$210k/yr HybridFull Time
8+ YOE8+ years in software engineering or systems architecture, 2+ years designing solution architectures in public cloud (AWS/Azure/GCP); experience with scalable decoupled systems, governance, ADRs, mentoring, and stakeholder collaboration.
AWS, Microsoft Azure, Google Cloud, RESTful APIs, microservices, containers, Architectural Decision Records (ADRs)
3w
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Senior Staff Software Engineer - International Card Tech - Full-stack
Toronto, Ontario, Canada
$184k-$210k/yr HybridFull Time
8+ YOE8+ years software engineering experience with 2+ years creating cloud solution architectures (AWS/Azure/GCP). Experience designing scalable secure systems, working in regulated environments, mentoring engineers, and producing ADRs/HLDs.
AWS, Microsoft Azure, Google Cloud, RESTful APIs, containers
2d
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Principal Associate Software Engineer - International Card Tech - Full-Stack
Toronto, Ontario, Canada
$134k-$153k/yr HybridFull Time
4+ YOERequires 4+ years of application development with JavaScript, Java, TypeScript, SQL, Python, or Go; preferred 6+ years, computer science or related education, and experience with TDD, Agile, AWS, APIs, microservices, and distributed systems.
JavaScript, Java, TypeScript, SQL, Python, Go, Test Driven Development, Agile, AWS, RESTful APIs, microservices, containers, DevOps, databases, NoSQL, streaming, messaging platforms
2w
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Senior Staff Engineer, Product Software
Toronto, Ontario, Canada
$131k-$181k/yr HybridFull Time
Experience building and operating production systems or internal developer platforms; strong coding in Go, Python, or JavaScript; API lifecycle and governance knowledge; Terraform, Kubernetes, CI/CD experience.
Go, Python, JavaScript, OpenAPI, OAuth2, OIDC, Terraform, Kubernetes, CI/CD, Linux, Apigee, ALB, Ingress, Envoy, Docusaurus, Backstage, Confluence