265 software integration engineer jobs at 138 companies in Newfane, NY
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Integration Engineer (Global)
Toronto, Ontario, Canada
OnsiteFull Time
4+ YOE4+ years in software or integration engineering; strong debugging, API concepts, customer-facing skills.
2mo
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Integration Engineer (Global)
Toronto, Ontario, Canada
$135k-$203k/yr OnsiteFull Time
4+ YOE4+ years in software/integration engineering, code-level debugging, API architecture knowledge, customer-facing communication, strong generalist technical skills.
Stripe, API
1mo
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Systems Integration Engineer
Toronto, Ontario, Canada
$81k-$111k/yr HybridFull Time
5+ YOEBachelor's or Master's in engineering/computer science, 5+ years systems integration experience on major infrastructure projects, familiarity with design software and project management tools, strong communication and analytical skills.
ACC
6d
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Senior Systems Integration Engineer
Toronto, Ontario, Canada
OnsiteFull Time
10+ YOEProfessional engineer with 10+ years rail experience, systems integration and interface management, technical writing, client coordination, and proficiency with rail engineering software.
DOORS NG, MicroStation, OpenRail Designer, OpenRoads Designer, AutoCAD, Civil3D, Microsoft Word, Microsoft Excel, Microsoft Project
5d
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Staff Software Engineer, Integration Platform
Toronto or Los Angeles or San Francisco or Raleigh or United States
$172k-$229k/yr HybridFull Time
10+ YOE10+ years of software engineering experience; deep JavaScript and TypeScript expertise; production experience with Node.js, GraphQL, RESTful services, PostgreSQL, and Temporal; cloud, CI/CD, testing, and mentoring experience.
JavaScript, TypeScript, Node.js, GraphQL, RESTful services, PostgreSQL, Temporal, MySQL, Docker, Kubernetes, AWS, GCP, CI/CD, SQL
1mo
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Software Engineer, Payments Integration & Modernization (267399)
Toronto, Ontario, Canada
OnsiteFull Time
Experience building and supporting payment software; familiarity with IBM integration tools, cloud platforms, containerization, DevOps, and modern languages/databases; strong problem-solving and communication skills.
FTM, Websphere, ACE, IIB, RSA, MQ, DB2, Google Cloud, AWS, Azure, Docker, Kubernetes, Bitbucket, Git, Ansible, Jenkins, Java, Spring, Node.js, Express.js, Python, MySQL, PostgreSQL, MongoDB, Google based AI tools
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Senior API and Integration Engineer
Toronto or London
$103k-$153k/yr OnsiteFull Time
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
1mo
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Staff Software Developer - Integration(Remote First)
Toronto, Ontario, Canada
$155k-$180k/yr RemoteFull Time
Hands-on Salesforce and TypeScript experience, Postgres knowledge, building integrations (REST/SOAP/Webhooks), distributed-systems skills (idempotency, retries, reconciliation), observability and CI/CD experience.
TypeScript, NestJS, React, PostgreSQL, Salesforce, Zendesk, Stripe, SAP, Zapier, REST, SOAP, Webhooks
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Software Developer
Oakville or Toronto or Waterloo
$86k-$106k/yr HybridFull Time
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 II (AI Integration)
Toronto or London
$96k-$115k/yr OnsiteFull Time
3+ YOE3+ years experience; strong Python, ML/LLM, MLOps and cloud deployment skills; experience with model fine-tuning, CI/CD, and scalable production systems.
LangChain, LangSmith, OpenAI APIs, Python, SQL, Spark, Pandas, NumPy, Scikit-learn, PyTorch, TensorFlow, MLflow, Kubeflow, Airflow, Docker, Kubernetes, AWS, GCP, Azure
2mo
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Software Engineer
Toronto, Ontario, Canada
$110k-$135k/yr HybridFull Time
4+ YOE4+ years software engineering experience; proficiency in Python and/or TypeScript; hands-on AWS experience (ECS, Lambda, API Gateway); experience building integrations (HL7 v2, FHIR, DICOM, EMR webhooks); familiarity with workflow orchestration and client-facing deployments.
Conductor, Python, TypeScript, AWS, ECS, Lambda, API Gateway, HL7 v2, FHIR, DICOM, RIS/PACS, EMR webhooks, Step Functions, Cadence, Temporal, Prefect, Claude Code, Codex, Cursor, Copilot
1w
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Principal Software Engineer
Toronto or Dallas
$139k-$209k/yr HybridFull Time
10+ YOE10+ years enterprise software engineering with 8+ years on Salesforce/marketing technology; expertise in Salesforce, Marketing Cloud/Pardot, Data Cloud, integrations, Apex, LWC, and CI/CD.
Salesforce, Pardot, MCAE, Marketing Cloud, Marketing Cloud Advanced, Data Cloud, Adobe AEM, Qualtrics, 6sense, Openprise, Agentforce, Apex, Lightning Web Components, Flows, REST, SOAP, SFDX, Git, Tableau
3w
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ML Systems Integration Engineer
Sunnyvale or Toronto
OnsiteFull Time
BS/MS in CS/CE/EE or related, strong Python and/or C++, Linux and OS fundamentals, excellent debugging, analytical and communication skills; experience with distributed systems, telemetry, and hardware-adjacent software preferred.
Python, C++, Linux
1mo
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Software Engineer, Simulation
Toronto, Ontario, Canada
$150k-$365k/yr HybridFull Time
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
1w
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Software Developer (New or Recent Graduate)
Toronto, Ontario, Canada
$62k-$114k/yr OnsiteFull Time
4+ YOE4+ years software development experience and a post-secondary degree or equivalent; skills in cloud computing, microservices, testing, integration, SDLC, and strong communication and analytical abilities.
Cloud computing, Microservices, Test Driven Development, Applications Integration, System Development Lifecycle
1mo
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Software Engineer, General - Toronto
Toronto, Ontario, Canada
$90k-$120k/yr OnsiteFull Time
0+ YOE0–2 years software engineering experience, fluency in a backend language (Python or TypeScript), experience with LLMs/AI integrations, familiarity with modern web stacks, CI/CD, strong communication and problem-solving skills.
Python, TypeScript, LLMs, CI/CD
2mo
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Staff Software Engineer, Salesforce
Beaverton or Denver or Seattle or Portland or Springfield or Toronto or Bengaluru
$195k-$221k/yr HybridFull Time
7+ YOEBachelor's/Master's in CS or related, 7+ years enterprise software experience with 4+ years on Salesforce; Salesforce Platform Developer I or II required; proficiency in Apex, LWC, Flows, SOQL, integrations, cloud platforms, and modern engineering practices.
Salesforce, Apex, Lightning Web Components, Flows, SOQL, ERP, CPQ, Revenue Cloud Advanced (RCA), Java, Python, Node.js, AWS, Azure, Google Cloud, REST APIs, Microservices, DevOps, CI/CD
2w
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Salesforce Integration Developer (Marketo / Allego)
Waterloo or Toronto
$80k-$94k/yr RemoteFull Time
5+ YOE5+ years Salesforce development experience with Apex, Visualforce, LWC; hands-on Marketo and Allego integration experience; strong API, platform events, Git and CI/CD experience; strong communication and problem-solving.
Marketo, Adobe Marketo Engage, Allego, Apex, Visualforce, Lightning Web Components, APIs, Platform Events, ETL, Git, CI/CD, DevOps
2mo
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Software Engineer, DocGen
San Francisco or Toronto
$128k-$220k/yr HybridFull Time
Strong software development experience (Python, Go, Java, Node.js, or C++); proven ability to design and ship scalable production systems and APIs; experience owning end-to-end projects; experience with LLM integration a plus.
Python, Go, Java, Node.js, C++, LLMs
3mo
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Senior Software Engineer, Care Experience
Toronto or Canada
$125k-$175k/yr RemoteFull Time
5+ YOE5+ years of software engineering experience; ownership of complex systems; integration with third-party platforms; reliability focus; familiarity with AI-assisted development tools; proactive, cross-team collaboration.
Java, Kotlin, Cursor, Claude, MCP servers
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