North Tonawanda • 50 milesRemote · Hybrid · Onsite · Field · All Environments
North Tonawanda • 50 milesRemote · Hybrid · Onsite · Field · All Environments
North Tonawanda • 50 milesRemote · Hybrid · Onsite · Field · All Environments
North Tonawanda • 50 milesRemote · Hybrid · Onsite · Field · All Environments
435 mid level software engineer jobs at 233 companies in North Tonawanda, NY
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Software Engineer, Core Infrastructure (Mid-Senior level)
Toronto, Ontario, Canada
HybridFull Time
4+ YOE4+ years software engineering experience; bachelor's in CS or related; proven experience building and operating large-scale platforms; strong communication and critical thinking; ownership of infrastructure components.
AWS, Datadog, Kubernetes, Celery, Redis, Docling, DBOS
2mo
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Software Engineer
Toronto, Ontario, Canada
$110k-$140k/yr OnsiteFull Time
Mid-level engineer with solid production software experience, strong fundamentals in testing, debugging and design; experience with .NET/C#, TypeScript, and frontend frameworks (React/Next.js); familiarity with observability, monitoring, and incident response.
.NET, C#, TypeScript, React, Next.js
1mo
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Software Engineer, C++, Level 5 (Fixed Term)
Toronto, Ontario, Canada
$173k-$259k/yr OnsiteFull Time
4+ YOE4+ years software engineering experience, Bachelor’s in computer science or equivalent, 2+ years building high-performance graphics systems, 2+ years with C/C++, strong modern graphics knowledge, code quality and performance skills.
C/C++, OpenGL, Metal, Vulkan
4d
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Software Engineer
Toronto, Ontario, Canada
OnsiteFull Time
Professional software engineering experience with React, Next.js, JavaScript, TypeScript, backend services, APIs, distributed systems, Git, CI/CD, testing, and scalable application architecture.
React, Next.js, TypeScript, Kotlin, Postgres, AWS, CI/CD, JavaScript, Golang, C#, Java, Rust, Git, HTML, CSS, Cursor, Claude Code, Codex, Large Language Models (LLMs), AI APIs, GCP
1d
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Remote Software Engineer
Toronto or United States or Canada or United Kingdom or Netherlands or Italy or Germany
$200-$300/hr RemoteContract
3+ YOERequires 3+ years of software engineering experience, full-stack development and scalable production software expertise, software architecture and debugging knowledge, and strong written and oral communication.
Python, JavaScript, ReactJS, C, C++, Java, Rust, Go
2mo
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Software Engineer
Toronto, Ontario, Canada
HybridFull Time
Deep software engineering experience with production systems; strong fundamentals in at least one language; experience with relational databases; willing to relocate to listed cities (Miami, Toronto, or Seattle).
Relational databases, General-purpose programming languages, AI tools
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Software Engineer
United States or Canada or Toronto or New York City
$150k-$185k/yr RemoteFull Time
3+ YOE3+ years full-stack experience (mid) or 6+ (senior); deep TypeScript fluency; React, Node.js; data modeling, API design, cloud deployment experience; strong communication and judgment.
React, TypeScript, Node.js, PostgreSQL, MongoDB, AWS, Slack, Jira, Figma
1mo
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Senior Software Engineer - Mainframe
Buffalo, New York, United States
$97k-$162k/yr HybridFull Time
3+ YOEExpert-level mainframe software engineering with minimum 3 years systems analysis or application development experience (degree-dependent). Knowledge of mainframe SDLC, testing, resiliency, and modernization.
IBM z/OS, COBOL, CICS, JCL, VSAM, DB2 for z/OS, TSO/ISPF, SDSF, Easytrieve+, GitLab, File-AID, Abend-AID, Xpediter, InterTest, CA7, Control-M, MQ, z/OS Connect, ZDIH
2mo
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Software Engineer
Miami or Toronto or Seattle
HybridFull Time
Proven software engineering experience shipping production systems, strong fundamentals in at least one general-purpose language, relational DB experience, ability to reason about performance at scale, strong communication and design skills.
1mo
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Software Engineer
Chicago or Toronto
$100k-$125k/yr HybridFull Time
4+ YOE4+ years professional software engineering experience, strong Java (Spring Boot preferred), REST API and event-driven service experience, familiarity with relational databases/MyBatis, CI/CD and automated testing, and strong communication skills.
Java, Spring Boot, MyBatis, CI/CD
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
3d
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Software Engineer, Integrations
Europe or London or San Francisco or New York City or United Kingdom or Toronto or Montreal or Paris or Berlin or Seoul
$150k-$270k/yr RemoteFull Time
Production software engineering experience, external API integration experience, agentic system evaluation or familiarity with evals, prompt engineering, tool-description tuning, and end-to-end ownership.
AI, APIs
3d
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Senior Software Engineer
Toronto, Ontario, Canada
$160k-$200k/yr HybridFull Time
4+ YOERequires 4+ years of software engineering experience, production software delivery, modern programming language experience, scalable application design, relational databases, API design, cloud platforms, and strong collaboration skills.
TypeScript, React, Express, PostgreSQL, AWS, Python, Go, Java, C#, Rust, Ruby, Azure, GCP
2w
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Software Developer
Toronto, Ontario, Canada
HybridFull Time
3+ YOEBachelor's in CS/Engineering, 3+ years software development experience; familiarity with CI/CD, DevOps, cloud platforms, relational/no‑SQL storage, SQL/Python/JSON, containerization, and collaborative development.
CI/CD Pipelines, DevOps, SQL, Python, JSON, Azure, AWS, GCP, Docker, Kubernetes
4d
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Software Engineer II
Toronto, Ontario, Canada
$82k-$115k/yr OnsiteFull Time
3+ YOE3–5+ years of software engineering experience, an undergraduate, postgraduate, or technical certificate, and expertise in Python, APIs, cloud platforms, testing, secure coding, and operational support.
Python, TypeScript, Node.js, Azure, AWS, DataHub, OpenMetadata, Collibra, OpenLineage, Elasticsearch, OpenSearch, pandas, Microsoft Excel, CI/CD, RBAC, ABAC, SSO/MFA
13h
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Software Engineer, Observability
Toronto, Ontario, Canada
$108k-$135k/yr HybridFull Time
3+ YOERequires 3+ years in software development, automation, or systems engineering; production code in Go or Python; AWS infrastructure; observability systems; Kubernetes; Prometheus, Grafana, and Loki.
Go, Python, AWS, Kubernetes, Prometheus, Grafana, Loki
3w
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Software Engineer
Toronto, Ontario, Canada
$90k-$130k/yr HybridFull Time
Experience developing software with modern languages and frameworks, API/service development, object-oriented design, Git, testing practices, and Agile teamwork.
Zafin AIOS, Git, CI/CD, containers
1mo
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Software Engineer
Toronto, Ontario, Canada
$100k-$160k/yr OnsiteFull Time
3+ YOE3+ years building production software; strong backend language fundamentals and typed frontend stack; data modeling, APIs, and SQL; full-stack ownership and strong communication.
SQL, GCP, Docker, Kubernetes, CI/CD, LLMs, AI agents
1mo
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Software Engineer
Toronto or Ontario
$80k-$105k/yr RemoteFull Time
3+ YOE3+ years software development experience; strong C#/.NET, SQL Server, RESTful API, Azure, and Git skills; experience with secure, scalable SaaS applications and Agile practices.
C#, .NET, SQL Server, RESTful APIs, Microsoft Azure, Git, Azure DevOps, CI/CD, Angular, React
1mo
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Software Engineer
Toronto or Denver or Fishers or Los Angeles or Krakow
$120k-$150k/yr HybridFull Time
3+ YOE3+ years backend engineering experience; strong Java and Spring Boot skills; experience with REST APIs, Kafka, Kubernetes, cloud platforms; knowledge of identity (OAuth 2.0, OIDC, SSO, SCIM). Bachelor's in CS/Engineering or equivalent.
Java, Spring Boot, Python, RESTful APIs, Kafka, Kubernetes, OAuth 2.0, OpenID Connect (OIDC), SSO, SCIM, AWS, Azure, Google Cloud Platform, Okta, Auth0, Ping Identity, Keycloak, Terraform, OpenTelemetry, Datadog, Grafana