286 software application engineer jobs at 129 companies in Lockport, NY
3w
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Senior Software Developer - Application Security (269194)
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years software engineering experience, system design and architecture expertise, cloud and DevSecOps knowledge, experience leading technical workstreams and supporting mission-critical applications.
GitHub, GitLab, Microsoft Azure DevOps, Checkmarx, Snyk, Veracode, Fortify, Salt Security, Docker, Kubernetes, SIEM, Azure, AWS, GCP
1mo
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Application Engineer
Aurora or Toronto or Mississauga
$85k-$95k/yr RemoteFull Time
2+ YOEBachelor's in CS/Engineering,2+ years in software/systems support,SQL and Linux experience,strong analytical and communication skills.
FlexNet, SQL, Linux, Salesforce
2mo
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Application Security Engineer
Toronto, Ontario, Canada
HybridFull Time
5+ YOE5+ years application security or security-focused software engineering; strong in Python, Go, TypeScript, or Ruby; experience with AppSec tooling (GitHub Advanced Security, Semgrep, HackerOne, Burp); cloud and Kubernetes security experience; practical threat modeling skills.
Go, Python, TypeScript, Ruby, Terraform, AWS, GCP, Azure, Kubernetes, Apollo GraphQL, GitHub Advanced Security, CodeQL, Dependabot, Semgrep, HackerOne, Burp Suite, Cloudflare WAF, Claude, OpenAI, MCP, GitHub, Linear, Slack
1w
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Application Developer
Toronto or Markham
HybridContract
Application development and DevOps experience with C#, .NET, Azure or AWS, REST APIs, Terraform, Microsoft Bot Architecture, ServiceNow, troubleshooting, vulnerability remediation, and technical documentation.
C#, .NET, Microsoft Azure, AWS, Microsoft Bot Architecture, Terraform, REST APIs, ServiceNow
1w
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Software Engineer
Toronto, Ontario, Canada
OnsiteFull Time
Professional software engineering experience with React, Next.js, JavaScript, TypeScript, backend services, APIs, distributed systems, Git, CI/CD, testing, and scalable application architecture.
React, Next.js, TypeScript, Kotlin, Postgres, AWS, CI/CD, JavaScript, Golang, C#, Java, Rust, Git, HTML, CSS, Cursor, Claude Code, Codex, Large Language Models (LLMs), AI APIs, GCP
2w
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Staff AI Application Engineer
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOE5+ years of software engineering experience, including 2+ years with Python backend services and Django or FastAPI. Requires Celery, API security, Kubernetes/OpenShift, CI/CD, and GenAI application experience.
Python, Django, FastAPI, Celery, LangChain, LangGraph, OpenShift Container Platform (OCP), Kubernetes, Helios, OAuth2, JWT, OpenTelemetry, Langfuse, LangSmith, Claude Code, Cursor, Windsurf, Devin, PostgreSQL, Redis, pgvector, FAISS, Milvus, Vue.js, React, OpenAI, Anthropic Claude, Cohere, Llama, Grafana, Prometheus, SAST, DAST, Docker, RESTful APIs
2d
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Remote Software Engineer
Toronto or California or United States or Canada or Europe or United Kingdom or Netherlands or Italy or Germany
$200-$300/hr RemoteContract
3+ YOERequires 3+ years of software engineering experience, full-stack application development, scalable production software deployment, software architecture expertise, debugging, code review, and strong written and oral communication.
Python, JavaScript, ReactJS, C, C++, Java, Rust, Go
1w
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Senior Software Engineer
Toronto, Ontario, Canada
$160k-$200k/yr HybridFull Time
4+ YOERequires 4+ years of software engineering experience, production software delivery, modern programming language experience, scalable application design, relational databases, API design, cloud platforms, and strong collaboration skills.
TypeScript, React, Express, PostgreSQL, AWS, Python, Go, Java, C#, Rust, Ruby, Azure, GCP
4d
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Sr. Software Engineer
Toronto or Canada
$125k-$160k/yr RemoteFull Time
3+ YOE3+ years building scalable web applications with full-stack software engineering experience; familiarity with PHP/Laravel, JavaScript, and Vue; leadership, communication, collaboration, and problem-solving skills.
PHP, Laravel, JavaScript, Vue.js, Google Meet
1mo
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Senior Software Developer, Application Support (Remote First)
Toronto, Ontario, Canada
$104k-$145k/yr RemoteFull Time
5+ YOE5+ years building complex web/mobile applications; strong full-stack experience with Node, TypeScript and AWS; experience with incident ownership, debugging production code, and mentoring others.
TypeScript, NestJS, React, Node, AWS
1mo
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Software Engineer
Toronto or Ontario
$80k-$105k/yr RemoteFull Time
3+ YOE3+ years software development experience; strong C#/.NET, SQL Server, RESTful API, Azure, and Git skills; experience with secure, scalable SaaS applications and Agile practices.
C#, .NET, SQL Server, RESTful APIs, Microsoft Azure, Git, Azure DevOps, CI/CD, Angular, React
3w
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Application Engineering HVAC Systems
Ajax, Ontario, Canada
HybridFull Time
1+ YOEBachelor's in mechanical/acoustical engineering, 1+ years application engineering/HVAC experience, knowledge of HVAC, acoustics, ASHRAE/ASTM, CPQ software, project management and strong communication.
CPQ
2w
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Software Developer
Toronto, Ontario, Canada
$90k-$110k/yr HybridFull Time
Experience delivering software across the development lifecycle, strong object-oriented programming and modern web application skills, collaborative problem-solving, and maintainable code practices.
Electronic Medical Records (EMRs), Java, Spring, JavaScript, Vue.js, MongoDB, BrightHire
1mo
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Senior Software Engineer - Mainframe
Buffalo, New York, United States
$97k-$162k/yr HybridFull Time
3+ YOEExpert-level mainframe software engineering with minimum 3 years systems analysis or application development experience (degree-dependent). Knowledge of mainframe SDLC, testing, resiliency, and modernization.
IBM z/OS, COBOL, CICS, JCL, VSAM, DB2 for z/OS, TSO/ISPF, SDSF, Easytrieve+, GitLab, File-AID, Abend-AID, Xpediter, InterTest, CA7, Control-M, MQ, z/OS Connect, ZDIH
1mo
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Application Developer
Toronto, Ontario, Canada
$71k-$107k/yr OnsiteFull Time
5+ YOEAssociate degree in Computer Science, 5+ years related experience, strong .Net/C# skills, Java and SQL Server experience, familiarity with MVC/WCF/Entity Framework, cloud (Azure/AWS) experience preferred.
Java, Microsoft SQL Server, Oracle, JavaScript, jQuery, Eclipse, NetBeans, Visual Studio, MVC, WCF, Entity Framework, Microsoft Azure, AWS, UML, WPF, .Net, C#
2mo
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Application Security Engineer
Toronto, Ontario, Canada
HybridFull Time
5+ YOE5+ years application security or security-focused software engineering; hands-on with Go/Python/TypeScript/Ruby; experience with AppSec toolchains, cloud/Kubernetes security, threat modeling, and automation.
Go, Python, TypeScript, Ruby, Terraform, AWS, GCP, Azure, Kubernetes, Apollo GraphQL, GitHub Advanced Security (CodeQL, Dependabot, secret scanning), Semgrep, HackerOne, Burp Suite, Cloudflare WAF, Claude, OpenAI, MCP
1w
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Intern Application Developer – Adobe
Buffalo, New York, United States
$46k/yr HybridInternship, Contract
Currently pursuing a bachelor's degree in a technical field with basic programming knowledge and exposure to software development, databases, APIs, cloud technologies, and problem-solving.
Java, Python, JavaScript, C#, C++, Git, APIs, databases, Agile, DevOps, cloud platforms, user interface frameworks, Artificial Intelligence, Adobe
5d
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Staff Software Engineer
Toronto, Ontario, Canada
$173k-$197k/yr HybridFull Time
6+ YOERequires 6+ years of hands-on software development and application or data architecture experience, cloud experience, mentorship skills, and preferably Java, Python, or Go expertise.
Java, Python, Go, AWS, Microsoft Azure, Google Cloud, RESTful APIs, microservices, containers, High Level Design (HLD), AI
1w
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Staff Software Engineer
Toronto, Ontario, Canada
$173k-$197k/yr HybridFull Time
6+ YOERequires 6+ years of hands-on software development and application or data architecture experience; Java, Python, Go, AWS or cloud experience; mentorship and technical leadership skills.
Java, Python, Go, AWS, Microsoft Azure, Google Cloud, RESTful APIs, microservices, containers, Microsoft Excel
2w
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Staff Software Engineer
Toronto, Ontario, Canada
$173k-$197k/yr HybridFull Time
6+ YOE6+ years of hands-on software development and application or data architecture experience; Java, Python, Go, or object-oriented programming; cloud experience; mentorship; degree preferred.
Java, Python, Go, AWS, Microsoft Azure, Google Cloud, RESTful APIs, microservices, containers, High Level Design (HLD)