Application Development Associate Jobs in Oshawa, ON

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Pay Details:

TD is committed to providing fair and equitable compensation opportunities to all colleagues. Growth opportunities and skill development are defining features of the colleague experience at TD. Our compensation policies and practices have been designed to allow colleagues to progress through the salary range over time as they progress in their role. The base pay actually offered may vary based upon the candidate's skills and experience, job-related knowledge, geographic location, and other specific business and organizational needs.

As a candidate, you are encouraged to ask compensation related questions and have an open dialogue with your recruiter who can provide you more specific details for this role.

Job Description:

We are seeking a Senior Java Developer to design, build, and operate scalable, event-driven, cloud-native applications using Apache Kafka, Spring Boot, and Microsoft Azure. The ideal candidate combines strong hands-on engineering with architectural ownership of distributed systems, messaging patterns, and data-intensive services.

Design event-driven architectures using Kafka with ownership of event contracts, versioning, and schema evolution

Define service interaction patterns (REST vs Kafka, sync vs async)

Lead architecture and design reviews focused on scalability, resiliency, and security

Own non-functional requirements including latency, throughput, scalability, and capacity planning

Design topic, partition, replication, retention, and consumer group strategies

Implement producers and consumers with correct delivery semantics

Apply retries, dead-letter queues, replay, idempotency, and error-handling strategies

Manage schema compatibility using Avro/Protobuf/JSON and enforce backward/forward compatibility

Develop Spring Boot microservices using Java 11/17+

Build REST APIs and asynchronous workflows

Implement resilience patterns such as retries, circuit breakers, and graceful degradation

Ensure safe evolution using API versioning and zero-downtime deployment

Design and optimize Microsoft SQL Server persistence

Write and tune complex SQL queries

Deploy and operate services on Microsoft Azure (App Service/AKS)

Use Azure Key Vault, monitoring, and logging tools

Implement CI/CD pipelines using GitHub Actions or Azure DevOps

Support infrastructure as code using Terraform

Establish unit, integration, and contract testing for distributed systems

Participate in on-call support and root-cause analysis

6+ years backend or distributed systems experience

3+ years Java and Spring Boot

Strong Kafka production experience (2+ years)

Strong SQL Server experience (4+ years)

Working Python proficiency

Confluent Certified Developer/Administrator for Apache Kafka

Azure Solutions Architect Expert or Azure Developer Associate

Oracle Java OCP 11/17 or Spring Professional

#LI-Tech

Who We Are:

TD Securities offers a wide range of capital markets products and services to corporate, government, and institutional clients who choose us for our innovation, execution, and experience. With more than 6,500 professionals operating out of 40 cities across the globe, we strive to make every interaction, product and experience remarkably human and refreshingly simple. Our services include underwriting and distributing new issues, providing trusted advice and industry-leading insight, extending access to global markets, and delivering integrated transaction banking solutions. In 2023, we acquired Cowen Inc., offering our clients access to a premier U.S. equities business and highly-diverse equity research franchise, while growing our strong, diversified investment bank.

Together, we are reimagining what banking can be for our clients, colleagues and communities.

Our Total Rewards Package
Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs. Learn more

Additional Information:
We're delighted that you're considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we're committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.

Colleague Development

If you're interested in a specific career path or are looking to build certain skills, we want to help you succeed. You'll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities.

If you're passionate about helping clients and building deep, lasting relationships, TD offers diverse career paths where you can grow your expertise and make a meaningful impact.

We're committed to your success and foster a respectful workplace where diverse perspectives are valued, everyone has fair opportunities to grow, and you can unlock your full potential to achieve your career goals. Here at TD, we hire and develop the best.

Training & Onboarding
We will provide training and onboarding sessions to ensure that you've got everything you need to succeed in your new role.

Interview Process
We'll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.

Accommodation
Your accessibility is important to us. Please let us know if you'd like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate throughout the interview process.
We look forward to hearing from you!

Language Requirement (Quebec only):