256 application developer jobs at 146 companies in North Tonawanda, NY

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Senior Application Developer, IT
Toronto, Ontario, Canada
$108k-$128k/yr HybridFull Time
First National Financial
First National Financial: Provides residential and commercial mortgage lending services in Canada.
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
3w
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Application Developer
Toronto, Ontario, Canada
$71k-$107k/yr OnsiteFull Time
Livingston International
Livingston International: Provides customs brokerage and international trade compliance services globally.
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#
3d
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Databricks Application Developer
Toronto, Ontario, Canada
$65k-$115k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
3+ YOE3+ years Databricks development experience, Unity Catalog and DQX experience, Microsoft Azure and Azure DevOps proficiency, strong communication and client-facing skills.
Databricks, Unity Catalog, DQX, Microsoft Azure, Azure DevOps
2mo
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Enterprise Application Developer
Toronto, Ontario, Canada
$100k-$120k/yr HybridFull Time
McMillan LLP
McMillan LLP: National business law firm providing legal and strategic counsel.
5+ YOE5-7 years in enterprise software design/development; REST APIs; Power Automate; Power BI; SQL; cloud/middleware; AI integration; strong Java/C#/JavaScript/ASP.NET skills.
Java, JavaScript, C#, C/C++, Python, ASP.NET, REST APIs, Power Automate, BOOMI, Power BI, Azure AI, ServiceNow, SharePoint Online, M365, 3E, Intapp Time, Intapp Open, Intapp Flow, Intapp Walls, Intapp Integrate
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Front End Application Developer
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
8+ YOE8+ years front-end development experience with strong React skills, Node.js, containerization on OpenShift, exposure to cloud platforms (AWS/Azure/GCP), Agile experience, and ability to build complex, production-grade applications.
React, Node.js, OpenShift, AWS, Azure, GCP, Angular, Java, Spring Boot, JavaScript, AI Code Assistant
2w
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Intermediate Mainframe Application Developer
Toronto, Ontario, Canada
$62k-$114k/yr OnsiteFull Time
BMO
BMOTSX: BMO: Provides personal and commercial banking, investment, and wealth services.
3+ YOE3+ years mainframe development experience, strong knowledge of COBOL/CICS/PL/1/JCL/DB2/VSAM, familiarity with z/OS, Jira, Confluence, ServiceNow; strong problem-solving and communication skills.
COBOL, CICS, PL/1, JCL, DB2, VSAM, EASYTRIEVE, FOCUS, Jira, Confluence, z/OS, ServiceNow, CSF Designer
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Application Security Developer
Toronto or Vancouver or Calgary or Canada
$117k-$158k/yr HybridFull Time
Clio
Clio: Cloud-based legal practice management software and AI solutions.
Experience in application/product security and offensive testing, vulnerability identification and remediation, threat modeling, proficiency in at least one language (Python, .NET, Ruby, JavaScript), cloud security (AWS/Azure/GCP), and common app-security tools.
Python, .NET, Ruby, JavaScript, AWS, Azure, GCP, Burp Suite, SAST, SCA, SIEM, ELK, Ruby on Rails, Puppet, Kubernetes, Terraform, Elastic, Logtash, Kibana
3w
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Application Engineer
Amherst, New York, United States
$75k-$100k/yr HybridFull Time
NECI
NECI: Industrial automation and digital transformation solutions for manufacturing.
0+ YOEBachelor's preferred, 0–5+ years experience with valves/valve automation/process control, customer-facing experience, strong technical communication and organizational skills.
CRM
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Application Engineer
Aurora or Toronto or Mississauga
$85k-$95k/yr RemoteFull Time
Xylem
XylemNYSE: XYL: Manufacturer of water transport, treatment, and testing technologies.
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
1mo
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Application Engineer
Buffalo, New York, United States
$80k-$100k/yr OnsiteFull Time
Samco Technologies
Samco Technologies: A provider of water and wastewater treatment systems offering estimating and engineering services.
2+ YOEBachelor's in Chemical Engineering, 2 years estimating/project management experience in chemical process treatment or system design; ability to review specs, compose P&IDs, size components, and support proposal/estimating processes.
SAGE100, Job Ops
6d
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Application Support Engineer
Toronto, Ontario, Canada
$90k-$95k/yr HybridFull Time
Objectway
Objectway: Provides wealth, banking, and asset management software platforms.
3+ YOE3+ years troubleshooting enterprise applications; 2+ years with MySQL/PostgreSQL/MongoDB, NodeJS, and frontend JS; Linux familiarity and AWS experience; strong communication and problem-solving.
Typescript, Modern JavaScript (ES2015+), Angular, AngularJS, ReactJS, MySQL, MongoDB, PostgreSQL, Redis, RabbitMQ, NodeJS, Linux, AWS, GitLab CI, Docker, Kubernetes, Streamsets, Stitch, Segment
1mo
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Application Security Engineer
Toronto, Ontario, Canada
HybridFull Time
Opendoor
OpendoorNASDAQ: OPEN: Online platform for buying and selling residential real estate.
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 Yardi Application Developer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
Citco
Citco: Provides fund administration and asset services for alternative investment funds.
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
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Application Engineer (HVAC)
North Tonawanda, New York, United States
$100k-$115k/yr OnsiteFull Time
Armstrong Fluid Technology
Armstrong Fluid Technology: Produces energy-efficient fluid flow and HVAC control systems.
3+ YOECollege diploma/degree in mechanical/electrical engineering or HVAC, 3+ years in mechanical/HVAC design, 1+ year customer-facing technical experience, ability to read mechanical/control drawings, and proficiency with selection tools and Microsoft Office.
Armstrong’s selection tools, Microsoft Office, CRM
3d
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Senior Application Security Engineer
London or New York or Pune or Toronto
$125k-$165k/yr OnsiteFull Time
TripleLift
TripleLift: Programmatic advertising platform for high-quality digital ad experiences.
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
1w
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Application Security Engineer - ADR
Quincy or Toronto or Austin or Atlanta
$120k-$203k/yr OnsiteFull Time
State Street
State StreetNYSE: STT: Provides investment servicing and management to institutional investors.
6+ YOEHands-on experience with application security, ADR/RASP/WAAP, SAST/DAST/SCA, cloud (Azure/AWS), DevSecOps, secure SDLC, threat detection, incident response, and relevant security certifications.
Java, .NET, Python, Node.js, Azure, AWS, SAST, DAST, SCA, API Security, Container Security, Runtime Application Self-Protection (RASP), Web Application and API Protection (WAAP), Ansible, Terraform, Kubernetes, Infrastructure as Code (IaC), Agile, DevOps
1mo
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AI-Powered Application Developer — Associate Manager / Manager
Toronto or Ottawa or Calgary or Vancouver or Montreal
$91k-$141k/yr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
5+ YOEBachelor's or college diploma, 5+ years full-stack experience, front-end (React/Angular/TypeScript), back-end (Java or .NET/C#), AI developer tools (Claude Code, GitHub Copilot, Cursor), cloud-native delivery (GCP preferred), Docker/Kubernetes, CI/CD, Agile/DevOps, spec-driven development, English required.
Claude Code, GitHub Copilot, Cursor, React, Angular, TypeScript, Java, .NET/C#, REST, GraphQL, GCP, AWS, Azure, Docker, Kubernetes, CI/CD, OAuth, RBAC
3d
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Customer Success Application Engineer
Toronto, Ontario, Canada
HybridFull Time
Litmus Automation
Litmus Automation: Industrial edge data platform for connecting and analyzing manufacturing operations.
Hands-on experience implementing IIoT/industrial or shop-floor solutions, strong networking/Linux/database knowledge, product configuration and troubleshooting, scripting with Python/JavaScript, and familiarity with Docker/Kubernetes and cloud platforms.
Python, JavaScript, Docker, Kubernetes, Azure, AWS, GCP, Linux, OPC/UA, PLC, SCADA, Litmus
2mo
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Investment Systems Application Engineer - IV
Oakland or Charlotte or Toronto
HybridFull Time
Vanguard
Vanguard: Provides mutual funds, ETFs, and investment management services.
8+ YOEEight+ years in software engineering for investment/wealth management apps; strong front-end with Angular/React; full-stack Java/Python; cloud/AWS; understanding of investment workflows.
Angular, React, Java, Python, AWS, CI/CD, APIs
1mo
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Field Application Engineer
Toronto or Peoria or United States
$60k-$80k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
Bachelor's degree in a technical field, strong communication, frequent domestic travel, hands-on robotics/electronics familiarity, basic coding skills (Python or C++), and ability to support deployments and client demos.
Python, C++