28 senior full stack developer jobs at 22 companies in Tonawanda, NY
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
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).
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.
Konrad Group: Provides digital strategy, design, and software development services.
5+ YOE5+ years building production web applications; strong JavaScript skills; experience with TypeScript, Node.js, Next.js; front-end framework experience (React/Angular); knowledge of web architecture and core web principles.
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
10+ YOEBS/BA in CS or related; 10+ years full-stack experience with TypeScript, Node.js, and React; strong backend, API (REST/GraphQL), database, CI/CD, testing, observability skills; mentoring and cross-functional collaboration.
Kraft HeinzNasdaq: KHC: Produces and sells packaged food and beverage products globally.
5+ YOE5+ years software engineering experience; strong with React and TypeScript, Python (FastAPI), SQL; cloud experience (Azure preferred); automated testing, CI/CD, and strong communication skills; English fluency required.
PartnerRe: Global reinsurer providing risk transfer and management solutions.
8+ YOE8+ years C#/.NET experience, 4+ years Angular SPA development, expert T-SQL, experience with Entity Framework Core, containerization and cloud (Azure) familiarity, degree in CS or equivalent.
Capco: Global consultancy providing business and technology services.
5+ YOE5+ years building enterprise applications with Java and modern frontend technologies; experience with Angular, TypeScript, JavaScript, Python, Node.js, REST APIs, automated testing, and collaborating with clients in Agile environments.
Toronto or Montreal or Vancouver or Calgary or Ottawa
$120k-$248k/yrOnsiteFull Time
AccentureNYSE: ACN: Global provider of management consulting and technology services.
8+ YOEBachelor's in CS/Engineering, 8+ years building cloud-native systems, 2+ years with AI platforms (Claude/OpenAI/Vertex AI), hands-on in agentic AI, strong Python or Java skills, client-facing leadership, English required.
Software Engineer, Full-Stack Applications - Ratings Technology (Toronto, ON, CA)
Toronto, Ontario, Canada
$100k-$150k/yrHybridFull Time
Fitch Group: Provides global credit ratings and financial market research services.
7+ YOE7+ years of full-stack enterprise software experience; strong backend (Java/Spring Boot, Python) and frontend (React) skills; cloud, DevOps, and data knowledge.
Toronto or Alberta or British Columbia or Manitoba or New Brunswick or Newfoundland and Labrador or Nova Scotia or Ontario or Prince Edward Island or Saskatchewan
$90k-$140k/yrRemoteFull Time
Applied Systems: Provides cloud-based management software for insurance agencies and brokerages.
5+ YOE5+ years full‑stack development experience; proficiency with Microsoft .NET/C#, TypeScript, React, Kubernetes, Microsoft SQL Server, OpenAPI, Apigee, GCP; experience with Datadog, GitLab, Agile, and mentoring engineers.
Microsoft .NET, C#, TypeScript, React, Kubernetes, Microsoft SQL Server, OpenAPI, Apigee, GCP, Datadog, GitLab, Node.js, Jira, Confluence
Senior Software Engineer II, Cloud Data Ingestion & Transformation
Toronto, Ontario, Canada
$187k-$300k/yrHybridFull Time
BrazeNASDAQ: BRZE: Platform for personalized customer engagement and cross-channel messaging.
6+ YOE6+ years full-stack development experience, strong backend focus; technical leadership and architectural experience; knowledge of data pipelines, distributed systems, and modern web stacks.
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
10+ YOE10+ years full stack development with Java/Spring Boot and React.js, 5–7 years SQL and enterprise web app experience, 5+ years Python, DevOps/CI-CD experience (Bitbucket, Jenkins, Sonar), cloud experience (GCP, Azure), and Agile.
React.js, Java, Spring Boot, Python, JavaScript, TypeScript, SQL, Bitbucket, Jenkins, Sonar, Google Cloud Platform (GCP), Microsoft Azure
CBC/Radio-Canada: Canada's national public broadcaster providing multimedia news and entertainment.
3+ YOE3+ years application development experience, full-stack web development with .NET/C#, Azure, JavaScript/TypeScript; Agile experience and strong communication skills.
Jenkins, GIT, HTML5, CSS3, JavaScript, TypeScript, Bootstrap, AngularJS, .NET, C#, Microsoft Azure Function Apps, Microsoft Azure Data Factory, Microsoft Azure Event Grid, Microsoft Azure Data Storage, OpenAPI, Swagger, MongoDB, Oracle, SQL Server, xUnit, Cypress
LindeNYSE: LIN: Supplies industrial gases and develops gas processing technologies.
7+ YOEBachelor's in CS or related, 7+ years software development, full-stack expertise (frontend SPA, backend Python), system architecture, relational DB design, mentorship, and willingness to travel up to 20%.
Proofpoint: Provides cybersecurity solutions for email, cloud, and data protection.
8+ YOE8+ years building production backend or full-stack systems; strong Python, Postgres, API integration with OAuth; experience with distributed/asynchronous systems; leadership in technical execution.