Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Niagara Falls • 50 milesRemote · Hybrid · Onsite · Field · All Environments
378 senior application developer jobs at 134 companies in Niagara Falls, NY
3w
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Senior Application Developer, IT
Toronto, Ontario, Canada
$108k-$128k/yr HybridFull Time
7+ YOE7+ years application development experience, strong COBOL/DB2/IBM iSeries skills, mortgage administration knowledge, UML and OOP understanding, excellent communication and debugging skills.
COBOL, DB2, IBM iSeries, UML, .NET, Angular, Blazor, REST, SOA, Entity Framework, Microsoft SQL Server
2mo
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Application Developer
Mississauga or Edmonton
$89k-$137k/yr OnsiteFull Time
5+ YOEOracle EBS/Cloud developer with 5+ years' experience in Java, SQL/PLSQL, enterprise application integration; post-secondary diploma/degree or equivalent experience; strong communication and SDLC knowledge.
PL/SQL, UNIX, Java, SQL, OAF, APEX, Oracle Workflow, Oracle Forms, OIC (Oracle Integration Cloud), JDeveloper, FBDI, BPEL, SOA, Web Services, Oracle e-Business Suite, PeopleSoft, Rational Unified Process
2w
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Senior Application Developer- Python (Global Security)
Toronto, Ontario, Canada
OnsiteFull Time
7+ YOE7+ years software development experience with advanced Python and web frameworks, cloud and containerization expertise, databases, REST APIs, and mentoring experience.
Python, Django, FastApi, Flask, OCP, Azure, AWS, Docker, Kubernetes, SQL, NoSQL, Vue.js, HTML, CSS, JavaScript, Typescript, Jenkins, GIT, GitHub Actions, ELK, Dynatrace, Grafana
2d
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Sitecore Application Developer
Toronto, Ontario, Canada
$80k-$130k/yr HybridFull Time
Hands-on Sitecore XP 10.4+ development, enterprise CMS, Web APIs, ASP.NET MVC, search integration with Coveo or Solr, SOA, SQL, C#, and .NET experience required.
Sitecore XP, Coveo, Apache Solr, ASP.NET MVC, Web API, RESTful, SQL Server, SQL, C#, .NET Framework, .NET Core, Azure, CI/CD, DevOps, Sitecore Helix, Sitecore SXA, Agile, Scrum
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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Senior Yardi Application Developer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
6+ YOEBachelor's degree (Engineering/Computer Science) required, 6+ years Yardi development, strong SQL skills, proficiency in software development processes, and strong analytical and communication skills.
Yardi Voyager, Yardi, SQL
21h
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Senior Application Security Engineer II
Toronto, Ontario, Canada
$180k-$220k/yr HybridFull Time
5+ YOERequires 5–6 years of professional security experience, production software development, application security or penetration testing expertise, OWASP Top 10 knowledge, AI tooling experience, communication, ownership, and mentoring skills.
TypeScript, Node.js, Postgres, AWS, Datadog, Burp Suite, Claude Code, Cursor, Hack The Box, Google Meet, OWASP Top 10, SBOM, SCA, Certn
1w
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Senior Application Security Engineer
London or New York or Pune or Toronto
$125k-$165k/yr OnsiteFull Time
5+ YOE5+ years application security experience; hands-on SAST/DAST/SCA, CI/CD integration, pentesting, threat modeling, secure coding guidance, and AWS security controls.
GitHub Advanced Security (GHAS), CodeQL, Burp Suite, OWASP ZAP, Snyk, Checkmarx, Veracode, Python, Java, TypeScript, Go, IAM, VPC, KMS, GuardDuty, CloudTrail, Claude
1mo
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Application Engineer, Principal
Toronto, Ontario, Canada
OnsiteFull Time
5+ YOEDegree in electrical/computer engineering with senior hardware applications/design experience (6–8+ years depending on degree) or 5+ years post-silicon validation; bench test equipment, ATE debug, IP validation (USB, PCIe, Serdes, UCIe), automation with Python/Perl/TCL, customer support skills.
Oscilloscopes, Logic analyzers, Vector Network analyzers (VNA), ATE, Python, Perl, TCL
5d
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Senior AI Application Developer in Java Stack
Toronto, Ontario, Canada
$90k-$120k/yr OnsiteFull Time
7+ YOEExperienced RPA engineer with end-to-end automation delivery experience, advanced UiPath and Microsoft Power Automate skills, enterprise integration expertise, and strong troubleshooting and communication abilities.
UiPath, Microsoft Power Automate, Robotic Enterprise Framework, UiPath Cloud, Maestro, Auto Pilot, AI Center, Document Understanding, Action Center, IXP, Power Apps, Power Component Framework, Canvas App, Model Driven, Power Automate Flows, Power Pages, Power BI, Microsoft Azure, AI Builder, Microsoft Copilot, ERP, CRM
1mo
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Application Engineering, Senior
Mississauga, Ontario, Canada
$90k-$120k/yr HybridFull Time
7+ YOEUniversity engineering degree or technologist diploma; 7+ years application engineering experience; experience with DeltaV DCS and control panels preferred; strong quoting, analytical, and communication skills.
DeltaV DCS, Emerson/Lakeside tools
1d
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Sr. Application Developer - (Java / AWS / Payment Systems / Leadership)
Toronto, Ontario, Canada
$76k-$142k/yr OnsiteFull Time
Senior software engineering experience building API, microservice, and event-driven cloud services with AWS and secure, resilient design; Node.js, payments, and AI-assisted delivery preferred.
Java, Amazon Web Services, AWS Lambda, Amazon DynamoDB, Amazon EventBridge, Amazon CloudWatch, Amazon Simple Notification Service (SNS), Amazon Simple Queue Service (SQS), Node.js
1mo
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AI and Application Development Engineer - Vice President
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
6+ YOEDesign, develop, and deploy high-performance Java/Spring applications with MongoDB; experience with RESTful APIs, CI/CD, Git, containerization, and AI development tools; 6+ years apps development experience and a bachelor’s degree or equivalent.
Java, Spring Framework, Spring Boot, Spring MVC, Spring Data JPA, Spring Security, MongoDB, RESTful APIs, SOAP, XML, JSON, Jenkins, GitLab CI, GitHub Actions, Maven, Gradle, Docker, Kubernetes, Git, Gitflow, Devin, GitHub Copilot, Claude, Anti Gravity, Codex, Google ADK
2mo
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Senior Security Engineer, Application Security
Bellevue or Menlo Park or New York or Toronto
$146k-$220k/yr HybridFull Time
5+ YOE5+ years in application security or related field; experience with secure SDLC and threat modeling; production-grade Python/Go experience; collaboration with engineers; reliability and incident response focus.
Python, Go
1mo
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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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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 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
1mo
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Senior Application Support Engineer - Assistant Vice President
Mississauga, Ontario, Canada
$94k-$142k/yr HybridFull Time
5+ YOE5+ years application support experience; strong incident/outage management and ITIL knowledge; experience with cloud-native stacks (ECS, OpenShift), observability (Open Telemetry, Grafana, GCO), SQL/Oracle, resiliency and disaster recovery; strong communication and leadership skills.
ECS, OpenShift, Open Telemetry, Grafana, Google Cloud Observability (GCO), SQL Server, SQL, Oracle, Elastic Stack (ELK)
1mo
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Sr Application Engineer (Salesforce-Agentforce Ai)
Mississauga or Salt Lake City or United States
$120k-$135k/yr RemoteFull Time
5+ YOE5+ years building Agentforce AI agents and Salesforce integrations; strong coding in Apex, JavaScript, Python; experience with IPA, DevOps, automated testing, and mentoring peers; required Salesforce platform certifications.
Agentforce, Microsoft Studio, Power Automate, Alteryx, Apex, JavaScript, Python, Conga, Docusign, Adobe, Marketo, Gainsight, Gong, Qualtrics, Kantata, TaskRay, Workday, Copado, AutoRabit, GITHUB, PMD, Selenium, Copado CRT, Salesforce, AWS, Azure, React, Vue.js, Angular, SAML, OAuth, OpenID Connect
1w
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Sr. Consultant, Full Stack Application Developer
Toronto, Ontario, Canada
OnsiteFull Time
8+ YOE8+ years software development experience with Go and backend services; experience with payments, APIs, relational databases, cloud (Azure), containerization, CI/CD, security and observability.
Go, Java, C, Azure PostgreSQL, Azure SQL, Oracle, Solace, Docker, Kubernetes, OpenShift, GitHub Actions, Bash, PowerShell, Python, mTLS, JWT, OpenTelemetry, Prometheus, Splunk, Git, Istio, ISO20022