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Full Time Java Developer Startup Jobs in Toronto, ON

Full Stack Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

... programming in Java, JavaScript or React, Hands on experience of building RESTful APIs using ... Applications Development ----- Time Type: Full time ----- Primary Location Full Time Salary Range ...

As an Consultant, Java Back End Developer , you'll work with senior teams on multiple ECIS ... To successfully perform the work, you'll be on-site full-time. You'll have the flexibility to ...

The Opportunity: We're looking for an experienced Java Backend Developer to join our dynamic team ... Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time ...

TDS Enterprise Technology Solutions, Global Prime Brokerage is looking for a Full-time Senior Java Developer. Global Prime Brokerage is responsible for development of technology strategy and delivery ...

Showing results 41-60

Full Time Java Developer Startup information

What does a full time Java developer do at a startup?

A Full Time Java Developer at a startup is responsible for designing, developing, and maintaining software applications using the Java programming language. They typically work on building backend services, APIs, and sometimes front-end features, collaborating closely with small, agile teams to rapidly prototype and deploy new features. Startups often require Java Developers to wear multiple hats, meaning they may be involved in everything from coding and testing to deployment and troubleshooting. The fast-paced environment encourages creativity, adaptability, and problem-solving skills.

What are the key skills and qualifications needed to thrive as a full time Java developer at a startup?

To thrive as a Full Time Java Developer at a startup, you need strong proficiency in Java programming, problem-solving abilities, and a relevant degree or equivalent experience. Familiarity with frameworks like Spring Boot, version control systems like Git, and cloud platforms such as AWS is typically required, with certifications like Oracle Certified Professional adding value. Adaptability, proactive communication, and a collaborative mindset are crucial soft skills in the fast-paced, dynamic startup environment. These skills enable developers to efficiently build scalable solutions, quickly adapt to changing requirements, and contribute to the startup’s growth and innovation.

What are some common challenges faced by Java developers working in a startup environment?

Java Developers in startups often encounter challenges such as rapidly shifting project priorities, tight deadlines, and the need to adapt quickly to new technologies or frameworks. Unlike larger, more structured organizations, startups typically have smaller teams, which means developers may take on a broader range of responsibilities—from backend development to deployment and even some aspects of DevOps. Collaboration is key, as developers often work closely with founders, product managers, and designers to iterate on features quickly. This dynamic environment can be demanding, but it also offers significant opportunities for learning, growth, and ownership over projects.

What is the difference between Full Time Java Developer Startup vs Full Time Java Developer Corporate?

AspectFull Time Java Developer StartupFull Time Java Developer Corporate
Work EnvironmentFast-paced, dynamic, smaller teamsStructured, larger teams, established processes
Project ScopeVaried, often innovative projectsStable, long-term projects
Required SkillsStrong Java, adaptability, problem-solvingJava expertise, teamwork, communication
Company SizeSmall to mediumLarge corporations

Full Time Java Developers in startups typically work in a fast-paced environment with varied projects and require adaptability. In contrast, corporate roles offer stability, structured processes, and focus on long-term projects. Both roles demand strong Java skills, but the work environment and project scope differ significantly.

What are the most commonly searched types of Java Developer Startup jobs in Toronto, ON?

The most popular types of Java Developer Startup jobs in Toronto, ON are:

What are popular job titles related to Full Time Java Developer Startup jobs in Toronto, ON?

For Full Time Java Developer Startup jobs in Toronto, ON, the most frequently searched job titles are:

What job categories do people searching Full Time Java Developer Startup jobs in Toronto, ON look for?

The top searched job categories for Full Time Java Developer Startup jobs in Toronto, ON are:

Infographic showing various Full Time Java Developer Startup job openings in Toronto, ON as of June 2026, with employment types broken down into 100% Full Time. Highlights an 64% In-person, and 36% Hybrid job distribution.

Full Stack Java Developer

Mississauga, ON • On-site

Citi
Banking and Credit Intermediation • 5 - 10K employees

CA$94K - CA$141K/yr

Full-time

Re-posted 6 days ago


Key responsibilities

  • Participate in building and implementing software solutions to meet specific business needs or user requirements.

  • Monitor and control all phases of the development process, including analysis, design, construction, testing, and implementation, and provide user and operational support.

  • Consult with users and technology groups to recommend programming solutions, analyze complex problems, and ensure system design and functionality.


Citibank rating

8.4

Company rating: 8.4 out of 10

Based on 179 frontline employees who took The Breakroom Quiz


Job description

Job Description Who we look for As part of our global technology team, you will be working with a group of passionate engineers who build technical solutions to complex business problems. We are going through a very exciting phase of transformation in OTC derivatives domains in Markets Technology, and you will be required to participate in the whole spectrum of building a software solution, closely working with product teams and users. We expect you to contribute to our vision of building a strong engineering culture within our global teams.

This role is for someone who enjoys solving engineering challenges, has experience in building robust and high-quality solutions, has excellent communication skills and can manage multiple priorities simultaneously. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems Ensure essential procedures are followed and help define operating standards and processes Serve as advisor or coach to new or lower level analysts Has the ability to operate with a limited level of direct supervision. Can exercise independence of judgement and autonomy.

Acts as SME to senior stakeholders and /or other team members. Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency. Qualifications: 5-8 years of relevant experience Experience in systems analysis and programming of software applications Experience in managing and implementing successful projects Working knowledge of consulting/project management techniques/methods Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements Hands-on professional software development experience Proficiency in programming in Java, JavaScript or React, Hands on experience of building RESTful APIs using popular frameworks like Spring Experience of following TDD and clean code principles Proficiency with data structures, algorithms and SQL Able to independently work in fast paced and rapidly changing environment Preferred Qualifications Experience of working in investment bank or financial services industry Experience of using cloud services such as AWS and distributed systems such as Kafka, Kubernetes, S3, DynamoDB, MongoDB or any other NoSQL database Education: Bachelor's degree/University degree or equivalent experience ------------------------------------------------------ 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