246 senior full stack developer jobs at 135 companies in Lockport, NY

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Senior Full Stack Engineer
Toronto, Ontario, Canada
OnsiteFull Time
KEV Group
KEV Group: Software for school activity fund management and accounting.
8+ YOESenior full-stack engineer with deep experience in C# and ASP.NET, React frontend, and distributed SaaS systems; strong knowledge of SQL and cloud platforms; reliability and security focus.
React, JavaScript, HTML, CSS, C#, ASP.NET, SQL, Azure, REST APIs, NET
1mo
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Senior Full Stack Developer
Toronto, Ontario, Canada
$85k-$125k/yr HybridFull Time
Scribendi
ScribendiTokyo Stock Exchange: 2413: Provides professional editing and AI-powered grammar correction tools.
5+ YOE5+ years full-stack production experience with React/Next.js/Node.js/PHP/Python; MySQL/PostgreSQL; AI APIs; strong architecture, ownership, and collaboration.
React, Next.js, Node.js, PHP, Python, MySQL, PostgreSQL, APIs, AI
3mo
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Senior Full Stack Developer
Toronto, Ontario, Canada
$150k-$190k/yr HybridFull Time
Quartermaster
Quartermaster: Home management platform and marketplace for local service professionals.
6+ YOE2+ Mgmt6+ years full-stack experience; 2+ years leading projects or teams; fluent in JavaScript/TypeScript; strong React; Node.js or similar; experience building APIs, data modeling, and cloud deployment.
React, Next.js, Node.js, Express, Koa, NestJS, PostgreSQL, MySQL, MongoDB, DynamoDB, Redis, REST, GraphQL, gRPC, Redux Toolkit, Zustand, React Query, SSR, ISR, SSG, Webpack, Vite, Babel, SWC, domain-driven design, hexagonal architecture, OpenTelemetry, Honeycomb, Prometheus, StatsD, GitHub Actions, CircleCI, ArgoCD, S3, Kafka, NATS, Docker, Kubernetes
2mo
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Senior Full-Stack Developer
Toronto, Ontario, Canada
$130k-$145k/yr RemoteFull Time
ODAIA
ODAIA: AI commercial intelligence software for life sciences companies.
5+ YOE5+ years of full-stack experience; API design; React/TypeScript; AWS; REST; data structures; cross-functional collaboration.
Python, JavaScript/Node.js, Java, .NET, React, TypeScript, REST APIs, PostgreSQL, MongoDB, AWS
5d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
HybridFull Time
HSBC
HSBCLondon Stock Exchange: HSBA: Provides global banking and financial services to individuals and businesses.
Hands-on full-stack DevOps engineer with technical leadership, production support, API and database experience, and ability to manage multiple teams and deliver reliable services.
Java, JavaScript, Clojure, Python, PostgreSQL, Unix, Windows, REST
2d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
$117k-$175k/yr HybridFull Time
HSBC
HSBCLondon Stock Exchange: HSBA: Global banking and financial services provider.
Hands-on full-stack DevOps engineer with leadership experience, coding across multiple languages, API design, database and infrastructure knowledge, observability and incident management.
Java, JavaScript, Clojure, Python, PostgreSQL, Unix, Windows, REST
2w
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Senior Full-Stack Developer
Toronto or Canada
$120k-$160k/yr RemoteFull Time
Flinks
Flinks: Embedded finance platform for financial data connectivity and payments.
6+ YOE6+ years building production full‑stack web applications with production experience in Angular, TypeScript, and C#/.NET; Bachelor’s in CS or equivalent experience; ability to own features end‑to‑end and work in a remote, collaborative environment.
Angular, TypeScript, RxJS, NgRx, Angular Material, Tailwind CSS, C#/.NET, Entity Framework Core, PostgreSQL, SQL Server, Redis, Firestore, Google Cloud Platform, Kubernetes, Docker, Terraform, Pub/Sub, Microsoft Azure DevOps, Git, Webpack, Cypress, Playwright, Grafana, REST APIs
4d
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Senior Full Stack Engineer
Toronto, Ontario, Canada
$120k-$145k/yr HybridFull Time
Fiera Capital
Fiera CapitalToronto Stock Exchange: FSZ: Provides multi-asset investment solutions to global clients.
5+ YOE5+ years full-stack experience with C#/.NET, SQL and Azure; bachelor\u0002s degree in a technical field; strong design, testing, troubleshooting, and communication skills.
C#, .NET, .NET Core, SQL Server, Azure Functions, App Services, Azure SQL, Storage Accounts, Key Vault, Python, Blazor, JavaScript, HTML/CSS, Azure Data Factory, Azure DevOps, Git, CI/CD, REST APIs, Entity Framework
3w
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Senior Full-Stack Developer [Risk]
Vancouver or Toronto or Montreal or Phoenix or Canada or United States
$120k-$140k/yr OnsiteFull Time
ScalePad
ScalePad: Asset management and automation software for Managed Service Providers.
7+ YOE7+ years SaaS development experience; strong full-stack skills across front-end and back-end; proficient with Java, Python, C#/.NET, React/TypeScript; experience with LangChain/LangGraph, vector databases, SQL, AWS; CI/CD and DevOps familiarity.
Java, C#, .NET, React, TypeScript, Angular, REST APIs, SQL, AWS, Python, LangGraph, LangChain, OpenAI, Vector databases, RAG retrieval, CI/CD, DevOps
1mo
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Senior Full Stack Developer - Web Platform
Toronto or Canada
$65-$85/hr HybridContract
Sago Mini
Sago MiniTSX: TOY: Develops educational mobile apps and physical toys for preschoolers.
5+ YOESenior full-stack engineer with 5+ years experience; strong TypeScript/JavaScript, NestJS/Express, PostgreSQL, modern frontend (React/Next.js/Vue); AWS/cloud experience; familiarity with Stripe/GTM and AI coding tools (GitHub Copilot, Claude, Codex).
GitHub Copilot, Claude, Codex, TypeScript, JavaScript, NestJS, Express, PostgreSQL, React, Next.js, Vue, Stripe, GTM, AWS
3w
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Senior Full Stack Engineer
Toronto or United States or United Kingdom or Canada or India
HybridFull Time
Codal
Codal: A design and development agency building digital solutions.
4+ YOE4+ years full-stack development experience with React/NextJS (TypeScript) and backend using Python (Django/FastAPI) or Node.js (Express/NestJS); REST/GraphQL, relational DBs (PostgreSQL/MySQL), cloud (AWS/GCP/Azure), Git and CI/CD (GitHub Actions), agile experience.
React, NextJS, TypeScript, Python, Django, FastAPI, Node.js, Express, NestJS, GraphQL, PostgreSQL, MySQL, AWS, GCP, Azure, Git, GitHub Actions, Redux, Context API, Contentful, Contentstack, Sanity, Shopify, BigCommerce, Saleor, Docker, Kubernetes, Terraform, CDK, Prometheus, Grafana, BigQuery, Snowflake
2w
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Senior Full-Stack Engineer (3D)
London or Toronto
OnsiteFull Time
Autodesk
AutodeskNASDAQ: ADSK: Developing software for architecture, engineering, and entertainment industries.
5+ YOE5+ years full-stack engineering experience; expertise in React, TypeScript, modern HTML/CSS, backend systems (PostgreSQL, s3), REST/GraphQL, CI/CD, and agentic/AI tooling.
React, TypeScript, CSS, HTML, PostgreSQL, s3, RDBs, RESTful, GraphQL, Cursor, Claude Code, Windsurf, LangChain, LangGraph, CrewAI, PydanticAI, LangSmith, Braintrust, Helicone, temporal, Supabase, pgvector, WebSockets, Jenkins, AWS ALBs/ECS
3w
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Senior Full Stack Engineer, AI
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
Big Viking Games
Big Viking Games: Develops and operates free-to-play mobile and social games.
5+ YOESeveral years shipping production full-stack web apps; strong TypeScript, Node.js, React/Next.js, SQL/Postgres; end-to-end ownership; AI/agentic workflow experience; disciplined git and testing practices; strong communication and product judgment.
TypeScript, Node.js, React, Next.js, SQL, Postgres, git, LangChain, LlamaIndex, Vercel AI SDK, OpenAI, Anthropic, Gemini
1w
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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
2w
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Senior full Stack Developer
Toronto, Ontario, Canada
$115k-$120k/yr OnsiteFull Time
Tech Mahindra
Tech MahindraNational Stock Exchange of India: TECHM: Global provider of information technology and business process services.
10+ YOE10+ years software development experience; strong React/Node.js/Java/Spring Boot skills; experience with databases, REST APIs, microservices, cloud (GCP/Azure); bachelor's degree required.
React, React Native, Next.js, JavaScript, TypeScript, Node.js, Express.js, PHP, HTML, CSS, SASS, Tailwind, Bootstrap, Semantic UI, MySQL, MongoDB, PostgreSQL, REST APIs, Microservices, Java, JVM, Spring Boot, Maven, Gradle, GCP Cloud SQL, Spanner, Azure SQL Server, Azure SQL MI, FIGMA
2mo
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Full Stack Developer (260428)
Toronto, Ontario, Canada
OnsiteFull Time
Scotiabank
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
5+ YOEBachelor's in a technical field and 5+ years full‑stack development; proficiency with HTML/CSS, SQL, Node.js/Java/.Net/TypeScript/JavaScript, React/Angular, REST APIs, cloud (Google Cloud Platform preferred), and Jira; Agile experience.
HTML, CSS, SQL, Google Cloud Platform, AWS, Azure, Node.js, Java, Net, TypeScript, JavaScript, React, Angular, REST APIs, Jira
3d
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Senior Full Stack Developer (Term)
Toronto, Ontario, Canada
$117k-$149k/yr OnsiteFull Time
University of Toronto
University of Toronto: Public research university providing undergraduate and graduate academic programs.
8+ YOEBachelor's degree and 8+ years full stack experience, strong Java and Angular architecture skills, Azure and Kubernetes experience, CI/CD and git proficiency, ability to lead migrations and mentor developers.
Java, Spring MVC, Spring Boot, JUnit, JPA/Hibernate, Maven, Gradle, JavaScript, TypeScript, Angular, AngularJS, HTML5, CSS, RxJS, Azure, Azure Function Apps, Azure Event Hubs, Azure Service Bus, Azure Queues, Azure Kubernetes Service (AKS), Docker, Kubernetes, git, OAuth 2, WCAG
2mo
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.NET Full Stack Developer - Toronto
Toronto, Ontario, Canada
$95k-$125k/yr HybridFull Time
Trisura
TrisuraToronto Stock Exchange: TSU: Provider of specialty insurance and surety solutions.
4+ YOE4+ years end-to-end full stack development with .NET; insurance industry experience; strong API, SQL Server, and front-end skills.
ASP.NET (MVC and Web Forms), C#, HTML5, CSS, JavaScript, jQuery, Angular, Bootstrap, Web API (RESTful), Microsoft SQL Server (T-SQL)
1mo
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Senior AI Full-Stack Software Developer (Python/React)
Toronto or Montreal
$119k-$145k/yr HybridFull Time
Intact Financial
Intact FinancialToronto Stock Exchange: IFC: Provides property and casualty insurance to individuals and businesses.
5+ YOESenior AI full-stack developer with 5+ years experience, TS/React, Python, AWS, REST/Swagger, AI concepts (GenAI, MLOps); bilingual in Quebec; eligible to work in Canada.
TypeScript, React, Python, AWS, REST, Swagger, MLOps
2mo
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Senior Full Stack Developer
Toronto, Ontario, Canada
$120k-$150k/yr HybridFull Time
Citco
Citco: Provides fund administration and asset services for alternative investment funds.
8+ YOEBachelor's degree in Engineering or Computer Science; 8+ years application development; 3+ years Node.js/Python; cloud experience (AWS/Azure/GCP); CI/CD tools; JIRA; financial industry knowledge desirable; strong communication and collaboration skills.
Node.js, Python, React, SQL, AWS, Azure, GCP, Jenkins, Bamboo, CodePipeline, JIRA