351 api integration jobs at 204 companies in Niagara Falls, NY

1w
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API Integration & Automation Developer
Welland, Ontario, Canada
$61k-$77k/yr HybridFull Time
PenFinancial Credit Union
PenFinancial Credit Union: Member-owned credit union providing banking and investment services.
Experience with REST and webhooks, PowerShell/Python/JavaScript/C#, JSON, Power Automate, OAuth/API Keys/JWT, basic SQL and reporting (SSRS, Power BI), AI tooling (Microsoft CoPilot) and integration debugging.
REST, webhooks, PowerShell, Python, JavaScript, C#, JSON, Power Automate, OAuth, API Keys, JWT, Microsoft CoPilot, SSRS, Power BI, SQL
1mo
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Senior API and Integration Engineer
Toronto or London
$103k-$153k/yr OnsiteFull Time
Healthcare of Ontario Pension Plan
Healthcare of Ontario Pension Plan: Provides defined benefit pensions for Ontario healthcare workers.
10+ YOE10+ years software engineering experience with 6+ years in APIs/integration; strong Azure, .NET/ASP.NET Core, RESTful API, security, CI/CD, and integration patterns experience.
.NET, .NET Core, ASP.NET Core, Azure Functions, Azure Service Bus, Azure SQL, Azure Key Vault, Azure API Management, Azure Application Insights, Redis, Tyk, F5, Ariel, Microsoft Dynamics CRM, JWT, OAuth, OIDC, CI/CD
4d
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Lead Data Integration Specialist-API Management
Toronto or Montreal or Guelph or Mississauga or Quebec City
$105k-$155k/yr HybridFull Time
Co-operators
Co-operators: Provides multi-line insurance and financial services to Canadian clients.
10+ YOE10+ years in ML or data engineering/integration, experience with REST APIs, ML pipeline design, SQL and Python, strong analytic and communication skills, insurance/Policy Center experience, post-secondary degree in CS or related.
REST APIs, SQL, Python, Synapse, Databricks, Azure Data Factory, R, Policy Center
4d
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Lead Data Integration Specialist-API Management
Toronto or Montreal or Guelph or Mississauga or Quebec City
$105k-$155k/yr HybridFull Time
Co-operators
Co-operators: Provides multi-line insurance and financial services for Canadians.
10+ YOE10+ years in ML or data engineering/integration, post-secondary degree in Computer Science or related, strong API/REST, SQL, Python, Synapse, Databricks, Azure Data Factory, PolicyCenter experience, leadership and ML Ops best practices.
SQL, Python, Synapse, Databricks, Azure Data Factory, REST APIs, R
2mo
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Integration Architect
Toronto or Calgary
HybridFull Time
Spaulding Ridge
Spaulding Ridge: Global advisory and cloud technology implementation firm.
6+ YOE3+ MgmtBachelor's degree; 6–8+ years of professional consulting or integration delivery; strong leadership and mentoring skills; deep API, data integration, and platform experience.
Salesforce, DocuSign CLM, Boomi, MuleSoft, Snowflake, NetSuite, Workday, REST, SOAP, OAuth 2.0, JSON, XML, Postman, Workato, Celigo, SnapLogic, SQL, Python, Git, CI/CD, ERP systems
2d
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Lead Integration Consultant – Planview Integration Platform
Toronto, Ontario, Canada
$74k-$118k/yr RemoteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
3+ YOE3+ years integration consulting experience; bachelor's degree or equivalent; experience with Planview or enterprise integration platforms; REST APIs, data mapping, authentication, scripting, SQL, and stakeholder communication skills.
Planview Integration Platform, UiPath Test Cloud, UiPath Test Suite, UiPath Automation Cloud, UiPath Studio, UiPath Orchestrator, Jira, Azure DevOps, ServiceNow, SAP, Workday, Salesforce, Oracle, REST APIs, CI/CD, JavaScript, Python, Java, .NET, Node.js, PowerShell, Bash, SQL, OAuth, SSO
2d
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Lead Integration Consultant – Planview Integration Platform
Toronto, Ontario, Canada
$74k-$118k/yr RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
3+ YOEBachelor's or equivalent experience, 3+ years integration consulting experience, Planview or similar platform experience, REST APIs and enterprise application integrations, scripting and SQL knowledge, strong communication skills.
Planview Integration Platform, UiPath Test Cloud, UiPath Test Suite, UiPath Automation Cloud, UiPath Studio, UiPath Orchestrator, Jira, Microsoft Azure DevOps, ServiceNow, SAP, Workday, Salesforce, Oracle, CI/CD, REST APIs, JavaScript, Python, Java, .NET, Node.js, PowerShell, Bash, SQL
3w
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API Quality Analyst (Quality Engineering) Lead
Toronto, Ontario, Canada
$80k-$130k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
5+ YOE3+ Mgmt5+ years quality engineering with API automation, 3+ years leading QA/automation, proven API framework design, strong Java or Python skills, CI/CD integration, REST/SOAP/GraphQL testing, and stakeholder communication.
Rest Assured, Karate, Postman, Newman, JUnit, TestNG, Cucumber, Jenkins, GitHub Actions, Azure DevOps, GitLab CI, Git, Parasoft, Microsoft Azure, GraphQL, SQL, NoSQL
1mo
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Integration Architect
Buffalo or East Aurora
$140k-$175k/yr RemoteFull Time
Moog
MoogNYSE: MOG.A: Design and manufacture of precision motion control systems.
8+ YOEBachelor's in engineering/CS (or equivalent), 8+ years in integration architecture or senior technical roles, hands-on experience with integration platforms (eQube, MuleSoft, Informatica, Kafka, Talend), ERP integrations (SAP, Oracle), cloud (AWS/Azure), API-led and event-driven patterns, DevSecOps/CI/CD, and security/compliance (NIST, zero-trust).
eQube, MuleSoft, Informatica, Kafka, Talend, PLM, CAD, MES, ERP, SAP, Oracle, AWS, Azure, Digital Thread, Model-Based Engineering (MBE), API-led, event-driven, NIST, TOGAF, DevSecOps, CI/CD
2mo
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Integration Engineer (Global)
Toronto, Ontario, Canada
OnsiteFull Time
Stripe
Stripe: Provides online payment processing and financial infrastructure for businesses.
4+ YOE4+ years in software or integration engineering; strong debugging, API concepts, customer-facing skills.
1mo
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Manager, Product Integration
Toronto, Ontario, Canada
$109k-$158k/yr OnsiteFull Time
Mastercard
MastercardNYSE: MA: Global payment processing and financial technology service provider.
Experience implementing API/SFTP B2B solutions, strong stakeholder management, customer-facing integration/project delivery, ability to gather requirements, build plans, configure systems, run functional testing, mentor junior staff, and support international time zones.
Salesforce, Postman, JIRA, BOBJ, API, SFTP
2mo
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Sr. Integration Engineer
Westerville or Mississauga or Lorain
OnsiteFull Time
Vertiv
VertivNYSE: VRT: Provides critical power and cooling for data centers.
5+ YOEBachelor's degree in CS/MIS/EE or 3 years' related experience; 5+ years IT development; 1 year integration/API experience.
Tibco, Oracle SOA, BizTalk, Oracle Integration Cloud, MuleSoft, API Gateway, Apigee, Azure API, Swagger, OpenAPI
1mo
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Integration Solutions Architect, Accounting
Los Angeles or San Francisco or Toronto or Raleigh or United States or Alaska or Hawaii or Kentucky or Mississippi or Nebraska or New Mexico or North Dakota or Rhode Island or South Dakota or West Virginia or Wyoming
$105k-$131k/yr RemoteFull Time
BuildOps
BuildOps: SaaS platform for managing commercial contracting businesses.
5+ YOEController-level accounting expertise, 5+ years accounting experience, 2+ years systems integrations/implementation experience, proficiency with Excel/Google Sheets, experience with QuickBooks Online/Sage Intacct/NetSuite/Viewpoint Vista/Spectrum, familiarity with APIs/iPaaS.
QuickBooks Online, Sage Intacct, Viewpoint Vista, Spectrum, NetSuite, Workato, Boomi, Celigo, Mulesoft, Microsoft Excel, Google Sheets, APIs, iPaaS, CSV
1mo
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Data Integration Engineer
Etobicoke, Ontario, Canada
$80k-$120k/yr HybridFull Time
Prophix
Prophix: Provides financial performance and corporate performance management software.
3+ YOE3+ years software development with data integration experience; REST/JSON APIs, JavaScript; familiar with Java, Python, SQL/SOQL, AWS, Snaplogic; able to travel internationally and legally work in role location.
RESTful web services, JSON, JavaScript, Java, Python, SQL, SOQL, Snaplogic, Amazon Web Services (AWS), Windows, SQL Server
2mo
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Manager, Workday - Integration
Toronto or Ottawa or Calgary or Vancouver or Ottawa or Fredericton or Edmonton or Regina or Winnipeg
$103k-$135k/yr HybridFull Time
KPMG
KPMG: Global professional services firm providing audit, tax, and advisory.
Bachelor's degree in engineering or related field; Workday integration expertise; strong communication; ability to work in a team; willingness to travel; bilingual French/English is a plus.
Workday integration tools, EIB, Core & Cloud Connectors, PICOF/PECI, Workday Studio, BIRT, custom reports, calculated fields, Web Services, REST API, XML, XSLT, SOAP, WSDL, JSON, Java, .NET
1mo
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Senior Murex Integration Specialist
Toronto, Ontario, Canada
$80k-$85k/yr RemoteFull Time
Amatriot Group
Amatriot Group: Provides IT consulting and mission-critical technology support services.
4+ YOE4+ years Murex Datamart/workflows experience; strong MxMLExchange, Datamart, SQL, UNIX and scripting skills; knowledge of MX.3 integration modules, XML/XSLT, APIs and testing (SIT/UAT).
MxMLExchange, RTBS/MDCS, Datamart, MX.3, MxML, MSL, XMLF, SQL, UNIX, Python, Java, C++, C#, JavaScript, Java/J2EE, XSLT, Jenkins, Maven, Git/Bitbucket, Apache Camel, ESB, ETL, .Net, SOAP/REST Web services
3w
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Senior .NET Integration Developer - Assistant Vice President
Mississauga, Ontario, Canada
$94k-$142k/yr OnsiteFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
5+ YOE5-8 years relevant experience; application integration and systems analysis; .NET and SQL Server proficiency; API experience; JIRA and AI familiarity; project implementation and vendor support skills.
.NET, SQL Server, API, JIRA, Devin AI
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Architect, Enterprise Integration & Data Connectivity
Toronto, Ontario, Canada
HybridFull Time
Northleaf Capital Partners
Northleaf Capital Partners: Global private markets investment firm focused on mid-market assets.
10+ YOE10+ years in enterprise integration or related disciplines with API, event-driven, ETL/ELT and cloud integration experience; financial services experience preferred; strong stakeholder and delivery skills.
Microsoft Azure Data Factory, Microsoft Azure Functions, Microsoft Blob Storage, Microsoft Data Lake, Microsoft API Management, Microsoft Azure SQL, SQL Managed Instance, Microsoft Fabric
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Sr Manager, Platform & Integration Support
Mississauga or Buffalo
$130k-$145k/yr HybridFull Time
Ingram Micro
Ingram MicroNYSE: INGM: Distributes information technology products and provides supply chain solutions.
10+ YOE5+ MgmtBachelor's in CS/IT,10+ years in digital platforms,5+ years managing global teams,experience with APIs/XML,platform reliability,AI/automation,Knowledge-Centered Service (KCS),strong communication and leadership.
APIs, XML, Ingram Micro Xvantage
2mo
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Product Owner - Integration
Toronto or Canada
RemoteFull Time
Genetec
Genetec: Provides unified physical security software, hardware, and cloud services.
3+ YOE3+ years as Product Owner/BA in integration context; ERP/CRM knowledge; EDI and REST API experience; Azure or iPaaS; fluent in French and English.
REST APIs, Azure Integration Services, ERP systems, CRM systems, EDI, APIs, Logic Apps, API Management, Event Hub, Service Bus