17 javascript intern jobs at 13 companies in Niagara Falls, NY

5d
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Marketing Intern
Toronto, Ontario, Canada
HybridMultiple Commitments Available
Creative Clicks
Creative Clicks: Performance marketing platform for mobile user acquisition and lead generation.
Currently pursuing or recently completed a degree in marketing/communications/CS or related; basic HTML/CSS/JavaScript familiarity; familiarity with Google Analytics and Search Console; content, SEO, and analytics interest.
Google Analytics, Google Search Console, HTML, CSS, JavaScript
1d
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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
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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Network Design Intern (Fall 2026, 4 months)
Toronto, Ontario, Canada
$23-$30/hr HybridFull Time, Internship
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
Pursuing a Bachelor's or Master's in Systems/Electrical/Computer Engineering or Computer Science; knowledge of network principles (Ethernet, MPLS, VPN, RF), scripting/programming (Python, C, C++, JavaScript, Perl, Shell), fluent English; able to work 40 hrs/week with minimum 2 days onsite in Toronto.
Python, C, C++, JavaScript, Perl, Shell script
1w
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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
2w
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Engineering Knowledge Management Intern (Fall 2026, 8 months)
Toronto, Ontario, Canada
$23-$30/hr HybridFull Time, Internship
Hitachi
HitachiTokyo Stock Exchange: 6501: Global provider of digital systems and social infrastructure solutions.
Student working toward a Bachelor’s or Master’s in engineering/data field; experience in documentation, presentations, data exploration, and training material creation; Python/JavaScript/HTML/CSS and ALM/Polarion familiarity preferred.
ALM, Polarion, Github Copilot, Python, JavaScript, HTML, CSS, AI tools
1w
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Software Engineer Intern (Java)
Toronto, Ontario, Canada
$25-$28/hr HybridFull Time
TMX Group
TMX GroupToronto Stock Exchange: X: Operates global financial markets and exchange trading platforms.
University degree or college diploma in computer science (or equivalent), Java development experience (JDK 8/11), Spring/Spring Boot, containerization and OpenShift/Kubernetes, familiarity with AI tools (Claude, Copilot, Amazon bedrock), Git/BitBucket.
Java, JDK 8, JDK 11, jBoss, Spring, Spring Boot, IntelliJ, Red Hat CodeReady, Visual Studio Code, Claude, Copilot, Amazon bedrock, Docker, OpenShift, Kubernetes, AWS ECS, Git, BitBucket, Python, Javascripts, React, Node.js, Oracle, MS-SQL, DB2, Linux, MS Windows, JIRA, DevOps
2d
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Software Developer Intern, BS, Summer 2027
Waterloo or Montreal or Toronto
$99k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a Bachelor's in CS or related, coding in 2+ general-purpose languages, experience with data structures/algorithms, located in Canada for internship, English proficiency, resume and transcript required.
C, C++, Java, JavaScript, Python, C#, Go, Unix/Linux, AI/ML
2d
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Software Developer Intern, MS, Summer 2027
Waterloo or Montreal or Toronto
$102k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a Master’s degree in CS or related field, coding experience in two+ general-purpose languages, data structures/algorithms knowledge, English proficiency, available for a 12-week full-time internship in Canada.
C, C++, Java, JavaScript, Python, C#, Kotlin, Go, Typescript, Unix, Linux
2d
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Sofware Engineer - Intern
Toronto, Ontario, Canada
HybridFull Time
Generac
GeneracNYSE: GNRC: Manufactures backup power generators and energy technology solutions.
Current engineering or computer science student; proficient in Golang, Java, C#, Node/Javascript, Typescript or Python; Linux and cloud exposure (AWS,GCP,Azure,Heroku); Git and deployment experience.
Golang, Java, C#, Node/Javascript, Typescript, Python, Linux, AWS, Google Cloud (GCP), Azure, Heroku, Git
2w
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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
2d
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Stagiaire en développement logiciel, maîtrise en sciences, été 2027
Waterloo or Montreal or Toronto
$102k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a master's in computer science or related field; coding in at least two general-purpose languages; algorithms/data-structures experience; must reside in Canada for internship; English proficiency required.
C, C++, Java, JavaScript, Python, C#, Kotlin, Go, Typescript, Unix, Linux
2d
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Stagiaire en développement logiciel, baccalauréat en sciences, été 2027
Montreal or Waterloo or Toronto
$99k/yr OnsiteInternship
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
Pursuing a bachelor's in computer science or related field, coding experience in ≥2 languages, algorithms/data structures knowledge, English proficiency, must reside in Canada and be available full-time for a 12-week summer internship.
C, C++, Java, JavaScript, Python, C#, Go, Unix, Linux
2mo
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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+ YOE4+ years application development experience with one or more of JavaScript, Java, TypeScript, SQL, Python, or Go; experience with TDD, Agile, distributed systems, APIs, microservices and AWS preferred; Bachelor's or Master's preferred.
JavaScript, Java, TypeScript, SQL, Python, Go, RESTful APIs, microservices, containers, AWS
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