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Junior Full Stack Developer Jobs in Hamilton, ON

Experience in full stack application development with strong expertise in Python and Java Deep ... Large Language Models (LLMs) and transformer based systems Prompt engineering and basic agent ...

Senior Full-Stack Engineer (Media Team) Location: Ottawa, ON or Toronto, ON | Hybrid Department: R&D | Video Type: Permanent | Full-Time Vacancy Status: This is an active, approved role and we are ...

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* The Senior Engineer in Production Management will be responsible for the development and overall ... of a full range of endtoend projects * Excellent communication skills required to negotiate ...

... full stack application development with strong expertise in Python orJava Deep experience with ... engineering and basic agent workflows o Vector search and retrieval concepts Familiarity with Gen ...

Java Full-stack Developer

Mississauga, ON · On-site

CA$86K - CA$127K/yr

* The Senior Engineer in Production Management will be responsible for the development and overall ... of a full range of endtoend projects * Excellent communication skills required to negotiate ...

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We are seeking an experienced Senior Software Developer (Full Stack) with 7+ years of commercial software engineering experience. In this key on-site role in Mississauga, you will lead the ...

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Junior Full Stack Developer information

What is a junior full stack developer?

A Junior Full Stack Developer is an entry-level software engineer who is capable of working on both the front-end and back-end components of web applications. They typically have foundational knowledge of programming languages such as JavaScript, HTML, CSS, as well as experience with frameworks like React, Node.js, or similar technologies. Junior Full Stack Developers collaborate with more experienced developers to build, test, and maintain web applications. Their responsibilities often include writing code, debugging, and learning best practices under supervision. This role is ideal for individuals looking to grow their skills in all areas of web development.

What does a junior full stack developer do?

A full stack developer works on both the user-facing and back-end elements of websites and applications. A junior full stack developer works under the supervision of a senior developer. In this position, your duties include handling coding responsibilities for front-end, user-facing elements. You use JavaScript, HTML, and CSS for this part of the job. You also use languages such as Python, SQL, and PHP for the back-end system of a website, including the database, cloud network, and security features. In addition to coding, you test and debug your developments and work with other team members using development strategies and methodologies.

What are the key skills and qualifications needed to thrive as a junior full stack developer, and why are they important?

To thrive as a Junior Full Stack Developer, you need a solid understanding of front-end and back-end programming languages (such as JavaScript, HTML/CSS, and a back-end language like Python or Node.js), along with a relevant degree or coding bootcamp certification. Familiarity with frameworks (like React or Angular), version control systems (such as Git), and basic database management is typically required. Strong problem-solving skills, adaptability, and effective teamwork set standout developers apart. These skills are crucial for building robust, user-friendly applications and collaborating efficiently in fast-paced development environments.

What are some common challenges junior full stack developers face during their first year on the job?

Junior Full Stack Developers often encounter challenges such as balancing the demands of both front-end and back-end development, adapting to new frameworks or tools, and managing time effectively across multiple projects. Collaborating with more experienced team members and understanding how to communicate technical concepts clearly can also be a learning curve. Regular code reviews and mentorship are commonly provided to help junior developers grow their skills and confidence in a supportive team environment.

What is the difference between Junior Full Stack Developer vs Front End Developer?

AspectJunior Full Stack DeveloperFront End Developer
Required SkillsHTML, CSS, JavaScript, basic backend knowledge, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design, frameworks like React, Angular, or Vue
Work EnvironmentCollaborates on both client-side and server-side projects, often in startups or tech companiesFocuses on user interface and experience, primarily in web development teams
Common UsageEntry-level role for full stack development in various industriesSpecialized role focusing on front-end development in web projects

The main difference is that a Junior Full Stack Developer works on both front-end and back-end tasks, while a Front End Developer specializes in creating and optimizing user interfaces. The Junior Full Stack Developer has a broader skill set, whereas the Front End Developer focuses more on design and user experience.

What are the most commonly searched types of Full Stack Developer jobs in Hamilton, ON?

The most popular types of Full Stack Developer jobs in Hamilton, ON are:

What are popular job titles related to Junior Full Stack Developer jobs in Hamilton, ON?

For Junior Full Stack Developer jobs in Hamilton, ON, the most frequently searched job titles are:

What cities near Hamilton, ON are hiring for Junior Full Stack Developer jobs?

Cities near Hamilton, ON with the most Junior Full Stack Developer job openings:

Infographic showing various Junior Full Stack Developer job openings in Hamilton, ON as of August 2026, with employment types broken down into 89% Full Time, 6% Part Time, 4% Contract, and 1% Nights. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution.

Full Stack Developer - Assistant Vice President

Citi

Mississauga, ON

Full-time

Posted 8 days ago


Citibank rating

8.4

Company rating: 8.4 out of 10

Based on 179 frontline employees who took The Breakroom Quiz

39th of 175 rated banks


Job description

About Citi Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients.

Diversity is a key business imperative and a source of strength at Citi. Being the best for our clients requires a culture of inclusion; an environment of equity, respect, and opportunity for everyone. Teams with varied backgrounds and experiences bring different perspectives to the conversation, enhance decision-making, and improve overall business performance.

Citi has made it a priority to foster a culture where the best people want to work, where individuals are promoted based on merit, where we value and demand respect for others and where opportunities to develop are widely available to all. Rates eTrading Tech Overview The evolution of electronic trading and automation has changed the way that rates products trade forever; driving a need for real-time, low latency pricing, market making and risk technology. In this increasingly electronic and competitive landscape, Citi is key player due to its leading eTrading platform and investment in technology.

The Rates eTrading team is at the forefront, by building high-performance low latency technology that supports the execution of billions of dollars of client trades every day. Our competitive advantage is our technology and having a platform that provides exceptional and dependable trading experience. If you have this kind of vision, capable of seeing ahead, of developing a clear path forward in a quest to try the as yet untried, here is the opportunity.

Job Purpose: We are looking for a talented and passionate individual to join our Full Stack development team. This role involves evolving our next-generation trading applications by contributing to both backend Java services and modern frontend experiences using Angular and NodeJS. The successful candidate will gain valuable exposure to the Electronic Trading business and an opportunity to work on a large scale, modern technology platform with a global presence.

The team works closely with end users gaining direct exposure to the fast paced world of front office trading and finance. Responsibilities: Understanding of good design principles and ability to adhere to complex design standards across the full stack (frontend and backend). Development of common, reusable components and services utilizing Citi's best practices, covering both client-side (Angular, NodeJS) and server-side (Java).

Responsible for creating high performance, low latency applications, both in backend services leveraging existing Citi framework and in responsive, user-friendly frontend interfaces. Ensuring strong reliability, scalability and performance of our components across the entire application stack. Apply an engineering mind-set to development work: understand use-cases in details, develop metrics to build good estimates of volume and compute velocity requirements, understand and discuss openly any implementation limitations or workaround.

Contribute actively to system design decisions for both frontend and backend architectures. Evaluate and build POCs for new strategic initiatives and work to convert to industrial level solutions. Provide post release assistance to business, development and support groups.

Develop application as per best practice and remain compliant with prescribed best practices (TDD, maintain high unit test coverage, CI...). Assisting in third line support during core trading hours. Qualifications: Required: 5+ years of strong hands-on development experience in Java, including expertise with Spring or another dependency injection framework

3+ years of experience with Angular for building modern, responsive web applications. 3+ years of experience with NodeJS for developing scalable server-side applications, APIs, or build tooling. 5+ years' experience in developing and maintaining highly scalable, real-time, low latency, high-volume, scalable microservices.

Experience with real-time messaging middleware (Kafka, RabbitMQ, Solace, Tibco, ...). Experience working with multi-threaded applications. Strong software development fundamentals, data structures, design patterns, Object-Oriented programming, architecture, algorithms, and problem-solving skills

Application deployment and debugging of applications on UNIX/LINUX. Nice to Have: Understanding of capital markets and financial derivatives (rates or other). Experience with system performance tuning and low latency Java programming.

Hands-on experience in database technologies, including RDBMS (Oracle, ...) and No SQL (MongoDB). Experience with In-Memory Datastore/Cache libraries (Sol cache, Redis, Apache Ignite, Gemfire.) Experience with CI/CD pipelines. Test-driven development, including Unit and End-to-End Testing, across both frontend and backend

Familiarity with containerization technologies like Docker and Kubernetes. Competencies: Strong verbal and written communication skills; ability to face off to business users Self-motivated individual and with determination to achieve goal Willingness to learn, both technically and professionally Strong analytical and problem solving skills Good team working skills and ability to work in a distributed global team environment Ability to work on a fast-pace environment; Flexible and able to deliver quality results in the required timeframe Education: Bachelor's degree/University degree or equivalent experience This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

------------------------------------------------------ Job Family Group: Technology ------------------------------------------------------ Job Family: Applications Development ------------------------------------------------------ Time Type: Full time ------------------------------------------------------ Primary Location Full Time Salary Range: $94,300.00 - $141,500.00 ------------------------------------------------------ Most Relevant Skills Please see the requirements listed above. ------------------------------------------------------ Other Relevant Skills For complementary skills, please see above and/or contact the recruiter. ------------------------------------------------------ Automated Processing and AI We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening

Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making.

Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. ------------------------------------------------------ This job opening is for an existing job vacancy. ------------------------------------------------------ Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi's EEO Policy Statement and the Know Your Rights poster.


What Citibank employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom


Citigroup Inc logo

About Citigroup Inc

Sourced by ZipRecruiter

We live in an increasingly complex world. Companies these days are either born global or are going global at record speed. Business and geopolitics are forging an entirely new dynamic and consumers now expect financial services to be a seamless part of their digital lives. Citi is a bank that’s uniquely positioned for this moment. Through our vast global network and our on-the-ground expertise, we can connect the dots, anticipate change and empathize the needs of our clients and customers in ways that other banks simply cannot. Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. We have set expectations for how we must act to bring our mission to life. These expectations are at the heart of our Leadership Principles – we take ownership, we deliver with pride and we succeed together.

Industry

Banking and credit intermediation

Company size

5,001 - 10,000 Employees

Headquarters location

New York City, NY, US