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62 lead full stack engineer jobs at 33 companies in Niagara Falls, NY

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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
Help us #BeatIndeed & #BeatLinkedIn
1mo
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Senior Full Stack Developer/Lead
Toronto, Ontario, Canada
$95k-$145k/yr HybridFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
10+ YOEBachelor's degree,10+ years full-stack experience with Java (Spring Boot), front-end (React/Angular), cloud (AWS/Microsoft Azure/GCP), microservices, P&C insurance domain knowledge, and AI/ML integration experience.
Java, Spring Boot, Spring Cloud, React, Angular, TypeScript, AWS, Microsoft Azure, GCP, PostgreSQL, MongoDB, Snowflake, Databricks, Spark, Terraform, Kubernetes, CI/CD, Microservices, REST APIs, Generative AI
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2mo
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Lead Full Stack Developer
Toronto, Ontario, Canada
OnsiteFull Time
Royal Bank of Canada
Royal Bank of CanadaTSX: RY: Provides personal, commercial, and investment banking services worldwide.
10+ YOE3+ Mgmt10+ years in C#/.NET, Azure cloud, DevOps, REST/Kafka, SQL/NoSQL; leadership experience; strong frontend with React; cloud integration and data handling.
C#, .NET Core, Azure, Docker, Kubernetes, REST API, Kafka, SQL, NoSQL, Elasticsearch, React, Snowflake
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2mo
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Lead Java Full Stack Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Global diversified financial services holding.
6+ YOE6+ years full‑stack experience with Java and Spring Boot backend, Angular frontend (TypeScript/HTML5/CSS), REST/microservices, SQL Server, Elasticsearch, Kafka, GitHub/Bitbucket and CI/CD; bachelor’s degree preferred.
Java, Spring Boot, Angular, Kendo UI, TypeScript, HTML5, CSS, SQL Server, Elasticsearch, Kafka, GitHub, Bitbucket, CI/CD, AWS, Azure, GCP, Docker, Kubernetes, OpenShift
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2mo
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Lead Java Full Stack Developer
Mississauga, Ontario, Canada
$121k-$171k/yr HybridFull Time
Citi
CitiNYSE: C: Providing global banking, investment, and wealth management services.
6+ YOE6+ years full‑stack experience with Java and Spring Boot, front-end experience with Angular/TypeScript, RESTful API and microservices design, SQL Server, Elasticsearch, Kafka, GitHub/Bitbucket, CI/CD, and micro front-end patterns.
Java, Spring Boot, Angular, React, Kendo UI, TypeScript, HTML5, CSS, SQL Server, Elasticsearch, Kafka, GitHub, Bitbucket, CI/CD, RESTful APIs, micro front-end, module federation, Docker, Kubernetes/OpenShift, AWS, Azure, GCP
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6d
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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
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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
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1mo
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Lead Full Stack Developer (AWS & React) (PL850)
Toronto, Ontario, Canada
RemoteFull Time
Paralucent
Paralucent: A technology delivering cloud-native solutions.
10+ YOETen years+ enterprise software experience; strong AWS, React, and TypeScript; backend and frontend expertise; REST APIs; agile; leadership.
AWS, React, TypeScript, Node.js, REST APIs, Docker, Kubernetes, CI/CD, Terraform, IaC, Cloud, Databases
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1mo
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Lead Full Stack Development Engineer
Toronto, Ontario, Canada
$109k-$156k/yr HybridFull Time
EPAM Systems
EPAM SystemsNYSE: EPAM: Provides global digital platform engineering and software development services.
4+ YOE4+ years software development with Python Core and FastAPI, unit testing (Pytest or Jest), AWS Athena and SQL scripting, strong English (B2+).
Python Core, FastAPI, Pytest, Jest, Amazon Athena, SQL, PostgreSQL, React.js, RDS, MWAA, ALB, EC2, Terraform, Docker, GitActions, Git, Jira, Confluence
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3mo
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Lead Software Engineer (Full Stack) (244897)
Toronto, Ontario, Canada
HybridFull Time
Scotiabank
ScotiabankToronto Stock Exchange: BNS: Provides global personal, commercial, and investment banking services.
5+ YOE2+ Mgmt5+ years building enterprise applications with Java, Angular, JavaScript and microservices; 2+ years leading teams; strong SQL, Linux/Unix scripting, Kubernetes/Rancher, messaging (Kafka, FIX, JMS, MQ) and automation (Airflow, Tidal, NiFi) experience; bachelor's degree required.
Java, Angular, CSS, JavaScript, jQuery, Bootstrap, Linux, Unix, SQL, Kubernetes, Rancher, Kafka, MQ, FIX, JMS, Solace, Apache Airflow, Tidal, Apache NiFi
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2mo
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Principal Full-Stack Software Engineer
Toronto, Ontario, Canada
$146k-$183k/yr HybridFull Time
Kraft Heinz
Kraft HeinzNASDAQ: KHC: Manufacturer and global marketer of food and beverage products.
7+ YOE7+ years in software/platform engineering or architecture; hands-on with Python (FastAPI), JavaScript/TypeScript (ReactJS), API design, SQL, cloud platforms (Azure/AWS/Google Cloud); experience leading enablement teams and improving developer productivity.
Python, FastAPI, JavaScript, TypeScript, ReactJS, SQL, Azure, AWS, Google Cloud, SonarCloud, LinearB, Datadog, Backstage
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1mo
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Senior Full Stack Developer (Contract Role)
Toronto, Ontario, Canada
$118k-$152k/yr OnsiteContract
Capco
Capco: Global consultancy providing business and technology services.
8+ YOE8+ years experience with Angular, Java Spring, and React; OpenShift cloud development and development lead experience; Agile methodology; deployment pipeline awareness; backend/integration knowledge; strong communication skills.
Angular, Java Spring, React, OpenShift
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1mo
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Lead Full Stack Developer - Delo (Toronto, ON, CA, M5C 3G7)
Toronto or Montreal
$84k-$175k/yr HybridFull Time
Deloitte
Deloitte: Global provider of audit, consulting, financial, and tax services.
10+ YOE10+ years software engineering experience; strong React/Next.js front-end and Python/FastAPI back-end; production systems, event-driven architectures, PostgreSQL, MongoDB, Elasticsearch, LLM experience, CI/CD, and strong API design skills.
React, Next.js, Python, FastAPI, PostgreSQL, MongoDB, Elasticsearch, SQL, NoSQL, LLM, Cursor, Claude Code, Codex, pgvector, milvus, Docker, Kubernetes, AWS, Azure, GCP, CI/CD
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1mo
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Lead Java Developer
Toronto or Ontario or British Columbia
$83k-$133k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
10+ YOEBachelor's or college diploma, 10+ years Java development, expert in Java/Spring Boot/Kafka, React or Angular, 5+ years microservices, Azure experience, proven leadership and mentoring skills.
Java, Spring Boot, Kafka, React, Angular, Microsoft Azure, GitHub Copilot
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2mo
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Lead Software Engineer, AI & Emerging Tech
Toronto or New York
$163k-$255k/yr OnsiteFull Time
CPP Investments
CPP Investments: Professional investment management organization for the Canada Pension Plan.
6+ YOESenior software engineer with 6+ years in AI/Emerging Tech, expert in Python, AWS, Gen AI, and full-stack web development.
Python, React, TypeScript, JavaScript, AWS, EC2, EKS, Fargate, Lambda, Athena, Glue, Terraform, Docker, Airflow, LangChain, LlamaIndex, Hugging Face, Pandas, NumPy, Boto3, Next.js, Selenium, Playwright
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1mo
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Lead Software Engineer
Toronto or Calgary
$150k-$225k/yr HybridFull Time
Validere
Validere: Provides enterprise intelligence software for energy industry operations.
7+ YOE7+ years software engineering experience, full‑stack expertise (web/mobile, APIs, databases), technical leadership, Bachelor's degree or equivalent experience, proficiency with listed tech stack and strong communication skills.
React, React Native, Expo, Node.js, TypeScript, JavaScript, Python, PostgreSQL, Snowflake, AWS Lambda, AWS ECS, AWS Bedrock, DataDog, Auth0, CircleCI, Terraform
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1mo
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Tech Lead Manager
Toronto, Ontario, Canada
$142k-$190k/yr HybridFull Time
eBay
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
10+ YOE1+ MgmtLeads architecture and teams; 10+ years in full-stack engineering; 1+ year engineering management; strong distributed systems, cloud (GCP), Java/Node/Ruby; REST/GraphQL; CI/CD; hands-on leadership.
JavaScript, TypeScript, React, Java, Node.js, Ruby, REST, GraphQL, Google Cloud Platform, Cloud Run, Cloud SQL, Pub/Sub, Storage, CI/CD, DevOps
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3mo
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Technical Lead
Toronto or Mississauga
$135k-$152k/yr HybridFull Time
Fidelity Canada
Fidelity Canada: Provides investment products and clearing services for Canadian investors.
5+ YOE2+ Mgmt5+ years as a full-stack developer; 2+ years as a team lead; experience with TS/Node or Java/Spring Boot; frontend TS/React/Angular; strong system design; AI experience; financial industry experience a plus.
TypeScript, Node.js, Java, Spring Boot, React, Angular
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1mo
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Technology Lead - CAN
Mississauga or Toronto or Ontario or Canada
$93k-$123k/yr OnsiteFull Time
Infosys
InfosysNYSE: INFY: Provides IT consulting, software development, and business outsourcing services.
8+ YOEBachelor's degree or equivalent, 8+ years Java development experience (4+ years IT minimum), Java/Spring Boot, microservices, REST/GraphQL, CI/CD and DevOps tools; must be authorized to work in Canada and located near Mississauga.
Java, Spring Boot, GraphQL, Postman, GitHub, Jenkins, Kubernetes, Kafka, Python, Dynatrace, Splunk, Hazelcast
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3w
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Lead R&D Engineer (Hybrid)
Dublin or Toronto or Antwerp or Porto or Melbourne
HybridFull Time
Nitro
Nitro: Provides digital document tools including PDF editing and e-signatures.
Lead a small R&D team to rapidly prototype AI-augmented document workflow solutions; strong full-stack skills (JavaScript/TypeScript, Python), production AI/LLM experience, cloud (AWS/Azure), and experience mentoring engineers.
JavaScript, TypeScript, Python, AWS, Azure, TensorFlow, PyTorch
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6d
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Engineering Lead
Toronto, Ontario, Canada
$129k-$193k/yr HybridFull Time
HSBC
HSBCLondon Stock Exchange: HSBA: Global banking and financial services provider.
Technical leadership with full-stack and DevOps experience, hands-on coding in multiple languages, production support, observability, incident management, stakeholder management, and working knowledge of cyber security and regulatory requirements.
java, javascript, clojure, kotlin, bash, python, react, vue, elm, julia, haskell, rust, PostgreSQL, Unix, Windows, HTTP, REST, CI/CD
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