31 software integration engineer jobs at 24 companies in Tonawanda, NY

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Software Developer
Oakville or Toronto or Waterloo
$86k-$106k/yr HybridFull Time
Geotab
Geotab: Provides IoT and connected vehicle fleet management solutions.
2+ YOE2+ years software development experience; Bachelor's in CS/EE/Software Engineering; strong frontend skills with React, Redux, TypeScript; backend exposure to Go, Python, SQL; proficiency with Git; familiarity integrating AI tooling.
React, Redux, TypeScript, JavaScript, Go, Python, SQL, Git
1w
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Software Engineer III (AI Integration)
Toronto or London
$126k-$154k/yr OnsiteFull Time
TD Bank
TD BankToronto Stock Exchange: TD: Provide retail, commercial, and wholesale banking and financial services.
7+ YOE7 years experience in AI/ML with strong Python and MLOps skills; experience with LLMs, model deployment, cloud platforms, and collaboration in cross-functional teams.
LangChain, LangSmith, OpenAI APIs, Python, NumPy, Pandas, Scikit-learn, PyTorch, TensorFlow, MLflow, Kubeflow, Airflow, Docker, Kubernetes, SQL, Spark, AWS, GCP, Azure, vector databases
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Software Engineer, Simulation
Toronto, Ontario, Canada
$150k-$365k/yr HybridFull Time
Doppel
Doppel: Provides AI-native defense against digital social engineering and impersonation.
Experienced fullstack engineer to build a Simulation product integrating AI agents, large-language models, and voice synthesis into scalable systems for detecting and simulating social-engineering attacks.
large-language models, voice synthesis, AI agents, Threat Grid
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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
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Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Magical
Magical: Automates healthcare administrative workflows using agentic AI.
Experience building backend or full-stack production systems; strong fundamentals in databases, APIs, queues, async workflows, and observability; comfortable with TypeScript/Node and integrating AI/LLMs into production.
TypeScript, Node, LLMs
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Software Developer
Tonawanda, New York, United States
$90k-$132k/yr OnsiteFull Time
Linde
LindeNYSE: LIN: Supplies industrial gases and develops gas processing technologies.
1+ YOEBachelor's in a technical discipline preferred. Experience administering Windows Server 2019/2022 and Microsoft SQL Server 2019/2022, developing applications in Visual Basic 6 and C#, Excel VBA scripting, Windows batch scripting, and supporting HMI/PLC integrations for industrial fill operations.
Windows Server 2019, Windows Server 2022, Microsoft SQL Server 2019, Microsoft SQL Server 2022, Microsoft Visual Basic 6, C#, Microsoft Excel, Microsoft Excel VBA, Windows batch scripting, iFIX, Allen Bradley PLC, ControlLogix, HMI
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Quantum Software Developer - FTQC Software (Intermediate to Senior)
Toronto, Ontario, Canada
$130k-$170k/yr OnsiteFull Time
Xanadu
Xanadu: Develops fault-tolerant quantum computers and open-source software using photonics.
MSc/PhD in a quantitative field, experience in quantum computing and QEC, production-grade Python and C++ development, familiarity with compilation frameworks (MLIR/LLVM), CI/CD and testing, and experience integrating software with hardware control systems.
Python, C++, MLIR, LLVM, CI/CD, PennyLane, Catalyst, FPGA
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Lead Software Engineer AI (Staff Engineer)
Eagan or Frisco or Toronto or Ann Arbor
$127k-$237k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
5+ YOEBachelor's degree or equivalent, 5+ years full-stack experience building scalable cloud applications; expertise in C#/.NET, backend architecture, APIs, distributed systems, and AI integration (LLMs, OpenAI/Anthropic); front-end skills (JavaScript/Typescript, Angular/React); AWS, PostgreSQL/SQLServer, CI/CD.
C#, .NET, ASP.NET Core, FastAPI, SQLServer, PostgreSQL, AWS, Vercel, JavaScript, Typescript, HTML, CSS, Angular, React, GitHub Actions, OpenAI, Anthropic, LLMs
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Lead Software Engineer - ServiceNow
Buffalo, New York, United States
$116k-$194k/yr HybridFull Time
M&T Bank
M&T BankNYSE: MTB: Provides retail, commercial, and wealth management banking services.
5+ YOE5+ years systems analysis/application development experience (or equivalent), expert ServiceNow platform development, workflow and integration design, CI/CD and source-control experience, strong communication and problem-solving skills.
ServiceNow, Flow Designer, Service Catalog, Jira, CI/CD, APIs, SDLC
4w
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Senior Full Stack Software Engineer
Toronto, Ontario, Canada
$113k-$163k/yr HybridFull Time
Manulife
ManulifeTSX: MFC: Provides insurance, wealth management, and investment services globally.
5+ YOE5+ years full-stack development; strong Java, Spring Boot, Python; experience with Docker, Kubernetes, Azure, SQL Server, Databricks; CI/CD; capital markets and derivatives knowledge; AI/ML integration experience.
Java, Spring Boot, Python, Docker, Kubernetes, Azure, SQL Server, Databricks, Bloomberg, Reuters, Murex, Findur, Aladdin, Azure OpenAI, OpenAI APIs
2mo
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Senior Consultant / Consultant, SAP BTP Full-Stack & Integration Developer (Toronto, ON, CA, M5C 3G7)
Toronto or Calgary or Montreal or Vancouver
$58k-$102k/yr HybridFull Time
Deloitte
Deloitte: Global provider of audit, consulting, financial, and tax services.
Bachelor's degree required; experience developing on SAP BTP and CAP, REST APIs, S/4HANA integration, OAuth/JWT security; proficiency in JavaScript/TypeScript/Node.js/Java; consulting and problem-solving experience.
SAP BTP, CAP, SAP Build Code, SAP Business Application Studio, SAP Build, SAP S/4HANA, SAP Integration Suite, REST APIs, OAuth, JWT, JavaScript, TypeScript, Node.js, Java, CI/CD
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Business Systems Developer
Medina, New York, United States
$125k/yr OnsiteFull Time
Takeform
Takeform: Designing and manufacturing architectural signage and experiential graphics.
Experience building internal or customer-facing software, translating business processes into practical solutions, web apps, integrations, APIs, SQL databases, cloud and automation experience, familiarity with AI, and strong communication skills.
APIs, SQL, artificial intelligence
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Fullstack Developer
Toronto, Ontario, Canada
$90k-$120k/yr OnsiteFull Time
Virtusa
Virtusa: Digital engineering and IT business transformation services provider.
Experience building Angular frontend applications, integrating with backend APIs and AWS, mentoring junior developers, and contributing to system architecture for enterprise web apps.
Angular, AWS
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Android Developer
Toronto, Ontario, Canada
HybridFull Time
CBC/Radio-Canada
CBC/Radio-Canada: National public broadcaster providing radio, television, and digital services.
Android development experience with Kotlin; familiarity with cross‑platform tech (Kotlin Multiplatform or React Native); Kotlin and native Android development; knowledge of APIs and third-party integrations.
Kotlin, Kotlin Multiplatform, React Native, Swift, Android, Bitbucket, Appium, CircleCI, Firebase, APIs
2mo
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Staff Backend Engineer
Toronto, Ontario, Canada
$150k-$160k/yr HybridFull Time
HelloFresh
HelloFreshFrankfurt Stock Exchange: HFG: Global meal kit delivery service and food solutions provider.
Strong experience designing scalable microservices and distributed systems; hands-on with Docker, Kubernetes, CI/CD, relational and document databases; production backend development in Golang, Python, or Java; experience integrating AI/LLM workflows preferred.
Kafka, RabbitMQ, Docker, Kubernetes, CI/CD, PostgreSQL, MySQL, MongoDB, LLM, Golang, Python, Java
2w
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Salesforce Developer
Waterloo or Toronto
RemoteFull Time
Cognizant
CognizantNASDAQ: CTSH: Provides IT consulting and technology services to global enterprises.
5+ YOE5+ years Salesforce development experience with Apex, Visualforce, LWC; strong integrations and API experience; familiarity with Git, CI/CD and DevOps; unit testing and code review skills.
Apex, Visualforce, Lightning Web Components, APIs, platform events, middleware, ETL, Git, CI/CD, DevOps, Marketo, Allego
1w
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Senior C#/.NET Developer
Toronto, Ontario, Canada
$62k-$97k/yr OnsiteFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
6+ YOE6+ years C#/.NET server-side development, RESTful APIs, middleware integration, solid OOP and SOLID principles, unit/integration testing, CI/CD support.
C#, .NET, .NET Core, .NET Framework, RESTful APIs, MongoDB, Redis, CI/CD
3w
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Salesforce Developer, Solution Designer
Toronto, Ontario, Canada
$90k-$107k/yr OnsiteFull Time
AGF Management
AGF ManagementToronto Stock Exchange: AGF.B: Provides investment management and wealth solutions for global investors.
6+ YOE6+ years Salesforce development experience with Sales Cloud, strong data architecture, Flow, Apex, LWC, SOQL/SQL, integrations, and platform delivery experience.
Sales Cloud, Data Cloud, Data360, Agentforce, Lightning Platform, Flow, Apex, Lightning Web Components, Visualforce, SOQL, SQL, JavaScript, Python, Java, Azure DevOps, Tableau
6d
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Applied AI Engineer
Batavia or Ithaca or Rochester or Buffalo or Wyomissing
$105k-$145k/yr HybridFull Time
Tompkins Financial
Tompkins FinancialNYSE American: TMP: Financial holding providing banking and wealth management services.
5+ YOEBachelors in CS/AI/Data or equivalent,5+ years in software engineering/data/AI,proficiency in Python and API integration,experience with LLMs,ML systems,cloud AI services,and on-call support availability.
Python, Azure, AWS, Google Cloud Platform, Azure Machine Learning, MLflow, Databricks, SageMaker, Vertex AI, Microsoft Foundry, Azure OpenAI, Copilot Studio
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Workday Integrations and Agent Developer
Buffalo, New York, United States
RemoteFull Time, Part Time
Delaware North
Delaware North: Operates hospitality and food service management for global venues.
7+ YOE7+ years implementing Workday integrations (EIB, Studio, Core/Cloud Connectors, Orchestrate, Extend), experience with Workday Recruiting/HiredScore/Paradox, RESTful APIs, CI/testing, HCM workflows, HR/payroll data structures, strong communication, and U.S. work authorization.
EIB, Core Connectors, Cloud Connect, Workday Studio, BIRT, Boomerang, Extend, Orchestrate, Workday Recruiting, HiredScore, Paradox, RESTful Web Services, Workday AI/Extend, Workday Security, HCM-delivered APIs, Continuous Integration