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Fullstack Java Jobs in Ontario (NOW HIRING)

... and/or Java/J2EE. Knowledge of JS frameworks is a plus. Good hands on knowledge of web technologies, web services, design patterns, and OOA/D. 3+ years of experience developing data-driven ...

... n \n Fullstack Skills \/ Knowledge \/ Abilities\n \n Backend \n \n \n * Fluency or understanding of specific languages, such as Java, C#, or Python, and operating systems may be required.\n \n

... n \n Fullstack Skills \/ Knowledge \/ Abilities\n \n Backend \n \n \n * Fluency or understanding of specific languages, such as Java, C#, or Python, and operating systems may be required.\n \n

Use Java, Node.js, Angular, REST APIs, SQL, and related technologies to build and support distributed applications. * Use mainframe knowledge to understand existing programs, batch processing, data ...

Use Java, Node.js, Angular, REST APIs, SQL, and related technologies to build and support distributed applications. * Use mainframe knowledge to understand existing programs, batch processing, data ...

Staff Software Developer, Front End

Toronto, ON · Hybrid

CA$164K - CA$222K/yr

Qualifications * 8+ years of overall fullstack experience - we use Node/React and Java * BS/MS in computer science or equivalent work experience. * Experience building and operating large-scale ...

Rich development experience with Java / Spring Boot, React, ECMAScript standard and SQL (MySQL) * Experience developing scalable, customer-facing, web-based applications * Advocate and practitioner ...

Proficiency and production experience with one or more backend languages such as Golang, Python, or Java. * Strong communication and collaboration skills. You are comfortable working closely with ...

Proficiency and production experience with one or more backend languages such as Golang, Python, or Java. * Strong communication and collaboration skills. You are comfortable working closely with ...

Lead .Net Fullstack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Experience with Java, Elastic search, Kafka. Education: Bachelor's degree/University degree or equivalent experience Master's degree preferred ----- Job Family Group: Technology ----- Job Family:

Lead .Net Fullstack Developer

Mississauga, ON · On-site

CA$120K - CA$170K/yr

Experience with Java, Elastic search, Kafka. Education: Bachelor's degree/University degree or equivalent experience Master's degree preferred ----- Job Family Group: Technology ----- Job Family:

AI Engineer

Markham, ON · On-site

CA$77K - CA$117K/yr

Collaborate closely with AI Architects, AI Studio Leads, ML Engineers, Data Scientists, FullStack ... Expertlevel proficiency in Python, with working familiarity in Java and/or TypeScript for ...

Showing results 21-40

Fullstack Java information

What is a fullstack Java developer?

A Fullstack Java developer is a software professional skilled in both front-end and back-end development using Java and related technologies. They are capable of building complete web applications, handling everything from user interface design to database management and server-side logic. Typically, they work with Java frameworks like Spring or Java EE on the backend, and may use front-end technologies such as HTML, CSS, JavaScript, and frameworks like Angular or React. Fullstack Java developers are valued for their versatility and ability to manage end-to-end software projects.

What are the key skills and qualifications needed to thrive as a fullstack Java developer?

To thrive as a Fullstack Java Developer, you need strong proficiency in Java, front-end technologies (like HTML, CSS, JavaScript), and frameworks such as Spring and Angular or React, often supported by a relevant degree or certifications. Familiarity with databases (SQL/NoSQL), version control systems (like Git), and CI/CD tools is typically required. Problem-solving ability, effective communication, and adaptability are standout soft skills for collaborating across teams and addressing dynamic project needs. These capabilities are crucial for delivering robust, scalable applications and ensuring seamless integration between front-end and back-end systems.

What are some common challenges fullstack Java developers face when working on cross-functional teams?

Fullstack Java developers often collaborate with front-end, back-end, and DevOps teams to deliver end-to-end solutions. A common challenge is ensuring smooth integration between different technological stacks and managing communication gaps among team members with diverse expertise. Additionally, balancing priorities between client-side performance and server-side scalability can require careful planning and effective teamwork. Staying updated on both front-end and back-end best practices also demands ongoing learning and adaptability.

What is the difference between Fullstack Java vs Java Developer?

AspectFullstack JavaJava Developer
Required SkillsJava, JavaScript, HTML, CSS, frameworks like Spring and AngularJava, Spring, Hibernate, SQL
Work EnvironmentBoth front-end and back-end development, often in agile teamsPrimarily back-end development, server-side focus
CertificationsJava certifications, full-stack development coursesJava certifications, backend-specific courses
Industry UsageWeb applications, enterprise solutions, startupsBackend systems, APIs, enterprise applications

Fullstack Java developers have a broader skill set, working on both client-side and server-side components, while Java Developers typically focus on server-side Java applications. The choice depends on project needs and career goals.

Can you do fullstack with Java?

Fullstack Java developers work with both front-end and back-end technologies using Java for server-side development, often integrating frameworks like Spring and Hibernate. They typically also have skills in HTML, CSS, JavaScript, and related tools to build complete web applications. Knowledge of databases, REST APIs, and version control is essential for fullstack Java roles.

Is Fullstack Java still in demand?

Fullstack Java developers are currently in high demand due to their ability to work on both frontend and backend systems using Java frameworks like Spring Boot. Skills in related technologies such as JavaScript, HTML, and cloud platforms can enhance job prospects in this field.

What cities in Ontario are hiring for Fullstack Java jobs?

Cities in Ontario with the most Fullstack Java job openings:

Senior Lead AI Application Engineer (Global Security)

Toronto, ON • On-site

Royal Bank of Canada
Banking and Credit Intermediation • 10K+ employees

Full-time

Re-posted yesterday


Job description

Job Description

What is the Opportunity?

As the Senior Lead AI Application Engineer, you will lead multi-agentic application software engineering and full-stack delivery of secure, cloud native microservices that embed pragmatic AI. You will build production UIs and APIs that orchestrate agent workflows end to end, integrate seamlessly with RBC's CI/CD, observability, and security pipelines, and operate reliably in regulated environments. Leveraging LLMs, data pipelines, and GPU/multi cloud stacks, you will deliver resilient, scalable services that automate complex risk and security controls, accelerate regulatory readiness, and enable safe, auditable AI behaviors. You will set standards, build reusable components, and mentor engineers across platforms and product teams.

What will you do?

  • Design, build, and operate fullstack agentic applications: React/TypeScript frontends and secure backend services (Node.js/Express or Python/FastAPI or Java/Spring Boot) exposing REST/gRPC/GraphQL APIs; deliver UIs and APIs that orchestrate agent workflows endtoend.
  • Engineer multiagent systems (plan/act/reflect, tool use, delegation) with robust state and coordination across services; implement failure handling, retries, and idempotency using frameworks such as LangGraph or AutoGen.
  • Deliver CI/CD and platform automation: Docker images, GitHub Actions/Jenkins/Argo CD, IaC (Terraform/Helm), Kubernetes deployments, release/rollback and changecontrol aligned to RBC standards.
  • Implement context and data layers for agents: connectors (incl. MCP) to enterprise systems, streaming/eventing (Kafka), caching (Redis), vector search (pgvector/Milvus/Pinecone), and schema/PII controls to keep actions grounded and compliant.
  • Build reusable SDKs, APIs, and templates for agent capabilities (inference, tools, RAG) with clear interfaces, code samples, and internal packages to accelerate teams.
  • Establish runtime controls and observability: OpenTelemetry traces/metrics/logs, Grafana/Prometheus dashboards, feature flags, rate limits/quotas, circuit breakers, and SLOs for latency, quality, and cost.
  • Enforce DevSecOps and zerotrust patterns: OAuth2/OIDC, mTLS, secrets (Vault/KMS), SAST/DAST, threat modeling; ensure privacy, data residency, and compliant deployments (NIST, SOX/ITGC) across AWS/Azure/onprem GPU.
  • Partner across Security, Risk, and Platform; mentor engineers; influence reference architectures, standards, and documentation; drive design reviews for agentic services.

What do you need to succeed?

Must Have

  • Bachelors degree in Software Engineering, Computer Science or equivalent practical experience.
  • 5+ years building production fullstack systems: React/TypeScript; backend with Node.js/Express, Java/Spring Boot, or Python/FastAPI; strong API design (REST/gRPC/GraphQL) and eventdriven patterns.
  • Handson multiagent engineering: interagent communication, shared state, tool adapters, orchestration with LangGraph/CrewAI/AutoGen; RAG pipelines; vector DBs (pgvector/Milvus/Pinecone/FAISS); MCPbased secure connectors.
  • Cloudnative delivery on Kubernetes with CI/CD (Docker, GitHub Actions/Jenkins/Argo CD), automated testing (unit/integration/contract/E2E), and IaC (Terraform/Helm); experience with API gateways (Apigee/Kong) and service mesh (Istio/Linkerd).
  • Data and integration: SQL (Snowflake/Postgres), NoSQL (MongoDB), streams (Kafka), caching (Redis); integrating with enterprise systems (ServiceNow IRM/GRC) using resilient, secure patterns.
  • DevSecOps and observability: OAuth2/OIDC, mTLS, Vault/KMS, SAST/DAST; OpenTelemetry, Grafana/Prometheus; operating in regulated environments with NIST/SOX/ITGC controls.

Nice to Have

  • Advanced LLM operations: finetuning (LoRA/PEFT), alignment (RLHF/DPO), optimization (DeepSpeed), model serving (Triton/ONNX), and policy/guardrail engines. Distributed systems scaleout: Ray/SageMaker, backpressure and retry strategies, multiregion/DR, and dualcloud/hybrid operations.
  • Security and zerotrust depth: service mesh/mTLS, WAF, secrets rotation, key management, and advanced SAST/DAST/IAST.
  • Quantitative evaluation and product analytics: statistics for A/B tests and offline evals, human feedback loops, cost/latency optimization, and data governance best practices.

What's in it for you?

We thrive on the challenge to be our best, progressive thinking to keep growing, and working together to deliver trusted advice to help our clients thrive and communities prosper. We care about each other, reaching our potential, making a difference to our communities, and achieving success that is mutual.

  • A comprehensive Total Rewards Program including bonuses and flexible benefits, competitive compensation, commissions, and stock where applicable
  • Leaders who support your development through coaching and managing opportunities
  • Ability to make a difference and lasting impact
  • Work in a dynamic, collaborative, progressive, and high-performing team
  • Flexible work/life balance options
  • Opportunities to do challenging innovation work and potential for patentable solutions
  • Opportunities to take on progressively greater accountabilities

Job Skills

Agentic AI, Agentic AI, Agentic Context Engineering, AI Agent Security, API Design, Application Development, Application Integrations, Application Maintenance, Application Programming Interface (API), Applications Architecture, Artificial Intelligence (AI), AWS Cloud Computing, Collaboration, Containerization, Cybersecurity, Data Security, Design, Detail-Oriented, DevOps, DevSecOps, Docker (Software), Docker Container, Docker Kubernetes Architecture, End-to-End Testing, Enterprise Application Delivery {+ 18 more}

Additional Job Details

Address:

16 YORK ST:TORONTO

City:

Toronto

Country:

Canada

Work hours/week:

37.5

Employment Type:

Full time

Platform:

TECHNOLOGY AND OPERATIONS

Job Type:

Regular

Pay Type:

Salaried

Posted Date:

2026-07-10

Application Deadline:

2026-09-08

Note: Applications will be accepted until 11:59 PM on the day prior to the application deadline date above

Our Employment Opportunities

At RBC, we are guided by living shared values of Client First, Integrity, Collaboration, Respect and Excellence and winning together as One RBC. We believe an inclusive workplace that has diverse perspectives is core to our continued growth as one of the largest and most successful banks in the world. Maintaining a workplace where our employees feel supported to perform at their best, effectively collaborate, drive innovation, and grow professionally helps to bring our Purpose to life and create value for our clients and communities. RBC strives to deliver this through policies and programs intended to foster a workplace based on respect, belonging and opportunity for all.

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RBC is presently inviting candidates to apply for this existing vacancy. Applying to this posting allows you to express your interest in this current career opportunity at RBC. Qualified applicants may be contacted to review their resume in more detail.

Employment Type: FULL_TIME