11 javascript intern jobs at 11 companies in North Tonawanda, NY

1mo
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Technical Analyst Intern
Toronto or Canada
$23-$25/hr HybridFull Time, Internship
Interac
Interac: Operates Canada's national debit and digital payment network.
Current university/college student in computer science/IT/software engineering; coding ability; proactive problem-solver; strong verbal and technical writing skills; familiarity with Java/Python, front-end tooling, databases, Confluence and Jira; must pass background checks.
Java, Python, HTML, CSS, JavaScript, Angular JS, Oracle, Azure RDBMS, MongoDB, Atlassian, Confluence, Jira
2w
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Malware Research Intern
Toronto, Ontario, Canada
OnsiteFull Time
Trend Micro
Trend MicroTokyo Stock Exchange: 4704: Provides cybersecurity platforms protecting clouds, networks, and endpoints.
Currently enrolled in a post-secondary program in CS, CE, Information Security or related; interest in malware analysis and threat hunting; strong problem solving, attention to detail, and English communication skills.
IDA Pro, Ghidra, Snort, Wireshark, Windows Sysinternals, VMware, Python, Ruby, Perl, JavaScript, PowerShell, Bash, C, C++, Assembly
3w
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Intern, Software Development (Fall 2026) 8 month OR 4 month
Toronto, Ontario, Canada
$900/wk OnsiteFull Time
Forum Asset Management
Forum Asset Management: Invests in, develops, and manages real estate and infrastructure assets.
Pursuing a CS-related degree; proficiency in Python/JavaScript/Java; basic APIs, web development, and database (SQL/NoSQL) knowledge; strong problem-solving and collaboration skills.
Python, JavaScript, Java, SQL, NoSQL, React, Node.js, Azure
6d
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Analyst, Market Insights, Student Intern
Toronto, Ontario, Canada
$25-$29/hr HybridFull Time
TMX Group
TMX GroupToronto Stock Exchange: X: Operates global financial markets and exchange trading platforms.
0+ YOEUndergraduate student in quantitative/technology field; experience with SQL and Python; familiarity with Big Data tools (Presto, Hive, Spark), Docker, Git, JIRA; strong communication and analytical skills; Knockri assessment required; must be authorized to work in Canada.
SQL, Python, Presto, Hive, Apache Spark, Docker, Git, JIRA, Java, C++, JavaScript
2w
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Senior Staff Engineer, Product Software
Toronto, Ontario, Canada
$131k-$181k/yr HybridFull Time
Equinix
EquinixNASDAQ: EQIX: Provides global data center colocation and digital interconnection services.
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
1mo
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Operations Automation Engineer
Toronto, Ontario, Canada
$100k-$120k/yr OnsiteFull Time
Forma.ai
Forma.ai: AI-powered platform for managing enterprise sales compensation and performance.
1+ YOE1+ years software/automation experience; strong scripting (Python, JavaScript/TypeScript), SQL, API experience; build internal tools, workflow automations, and measure operational impact; strong communication and stakeholder collaboration.
Python, JavaScript, TypeScript, SQL, APIs, n8n, Zapier, Make, Retool, Airplane, AI, LLMs
2mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Produces and sells condiments, dairy products, and packaged foods.
7+ YOE7+ years in software/platform engineering/architecture; strong Python (FastAPI), JavaScript/TypeScript (ReactJS); API design; DB design and SQL; cloud (Azure/AWS/GCP); leadership in enablement; internal developer platforms; experience with SonarCloud/LinearB/Datadog preferred.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Datadog, SonarCloud, LinearB, Backstage
3mo
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Full Stack Developer, Automation & Internal Tools (Remote)
Toronto or Canada
RemoteFull Time
Jumpfactor
Jumpfactor: 8-time Growth500 agency delivering growth for MSP and B2B tech companies.
4+ YOE4+ years full-stack experience; strong in Next.js, React, JavaScript; backend in Python and PHP; WordPress; API, database, and AI integration.
Next.js, React, JavaScript, Python, PHP, WordPress, APIs, AI
1d
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Principal Associate Software Engineer - International Card Tech - Full-Stack
Toronto, Ontario, Canada
$134k-$153k/yr HybridFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
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
1mo
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AI & Application Development Analyst
Toronto, Ontario, Canada
$90k-$110k/yr HybridFull Time
Potentia Renewables
Potentia RenewablesTSX: POW: Developer, owner, and operator of renewable energy facilities.
Experience delivering internal business systems, automation, and AI enablement; hands-on with code, connectors, deployments, and stakeholder engagement.
Python, SQL, APIs, PowerShell, JavaScript, MCP, SKILL.MD, Claude Code, OpenAI Codex, VS Code, GitHub, Azure, NetSuite, Microsoft 365, SharePoint, Copilot, ChatGPT/Codex, Cursor
2mo
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Staff Engineer - Growth Platform
Kitchener or Toronto
$191k-$262k/yr HybridFull Time
Faire
Faire: Online wholesale marketplace connecting independent retailers with unique brands.
8+ YOE8+ years of software engineering; experience building high-scale platforms; strong internal customer empathy; backend or frontend expertise; lead cross-functional initiatives; data-driven with experimentation.
Kotlin, Java, C#, APIs, databases, distributed systems, React, TypeScript, JavaScript, MySQL, CockroachDB, AWS, JUnit, Hibernate, Guice, Jersey