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Java Developer Startup Jobs in Ontario (NOW HIRING)

\n \n \n \n \n Java\/Fullstack Engineer required for a startup in Waterford who are expanding the dev team and hoping to almost double their headcount this year. \n \n \n * You'll get the chance to ...

Java Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Software Developer (Java) This role is eligible for our hybrid work model: Two days in-office. Our ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Java Developer

Toronto, ON · Hybrid

CA$100K - CA$120K/yr

Software Developer (Java) This role is eligible for our hybrid work model: Two days in-office. Our ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Associate Software Developer - Java This role is eligible for our hybrid work model: Two days in ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Associate Java Developer

Toronto, ON · Hybrid

CA$85K - CA$100K/yr

Associate Software Developer - Java This role is eligible for our hybrid work model: Two days in ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

... n * 5+ years' Java Development experience \n * Cloud experience \n * An interest in Machine ... Experience working in a startup would be an advantage \n * Experienced writing complex queries \n

Java Backend Developer

Etobicoke, ON · Hybrid

CA$100K - CA$135K/yr

If you're a self-starter looking to hone your skills in a startup environment that fosters ... As a Java Back-End Developer at Localcoin, you will be responsible for developing and maintaining ...

Associate Full-Stack Developer- Java This role is eligible for our hybrid work model: Two days in ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

We are small, but fast-growing startup, building custom blockchain-based digital identity and ... or Java/J2EE. Knowledge of JS frameworks is a plus. Good hands on knowledge of web technologies ...

Staff+ Engineer

Toronto, ON · On-site

$140K - $200K/yr

Design, develop, and maintain high-quality Java services and APIs. * Translate product requirements ... Experience in a startup environment or a high-pressure, fast-paced workplace. * Familiarity with ...

Prior startup experience and ability to thrive in a fast‑paced, high‑ownership environment ... Java, Python, Golang or TypeScript * Experience with corporate security (endpoint protection ...

New

Senior Software Engineer

Toronto, ON · On-site

$100 - $120/hr

Director of Software Engineering Signal 1 helps health systems accelerate AI adoption with a ... Java, Spring Boot, Python, Postgres, Azure, and Kubernetes. * Experience in startup or ...

There are several challenges, and as in any fast-paced startup, each team member gets to experience ... Some DevOps familiarity (e.g., Kubernetes) is also expected. This role is a Global remote role ...

Staff Engineer

Toronto, ON · On-site

$150K/yr

There are several challenges, and as in any fast-paced startup, each team member gets to experience ... Some DevOps familiarity (e.g., Kubernetes) is also expected. This role is a Global remote role ...

The Role Prospris Sun Life's digital front door for Canadians - startup velocity inside a Fortune ... Hands-onexpertisewith Java, React (or other similar modern Javascript) and enterprise integrations.

The Role Prospris Sun Life's digital front door for Canadians - startup velocity inside a Fortune ... Hands-onexpertisewith Java, React (or other similar modern Javascript) and enterprise integrations.

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Showing results 1-20

Java Developer Startup information

See Ontario salary details

$35.5K

$127.9K

$173K

How much do java developer startup jobs pay per year?

As of Jul 8, 2026, the average yearly pay for java developer startup in Ontario is $127,888.00, according to ZipRecruiter salary data. Most workers in this role earn between $98,000.00 and $156,000.00 per year, depending on experience, location, and employer.

What is a Java Developer Startup job?

A Java Developer Startup job involves designing, developing, and maintaining Java-based applications in a fast-paced startup environment. Developers work on scalable solutions, collaborate with cross-functional teams, and adapt to evolving product requirements. Unlike corporate roles, startup jobs often require versatility, problem-solving skills, and the ability to work with limited resources.

What kind of work environment and team structure can I expect as a Java Developer in a startup?

As a Java Developer in a startup, you'll typically work in a small, agile team where roles can be fluid and collaboration is highly encouraged. You may have the opportunity to work closely with product managers, designers, and other developers, allowing for greater input into the overall direction of the product. Daily responsibilities often extend beyond coding to include brainstorming sessions, code reviews, and quick iteration based on user feedback. The environment is fast-paced, offering opportunities for rapid skill development and taking on new responsibilities as the company grows. This setting is ideal for those who enjoy problem-solving, continuous learning, and making a direct impact on the product and business.

What are the key skills and qualifications needed to thrive in the Java Developer Startup position, and why are they important?

A successful Java Developer in a startup environment should have strong proficiency in Java, object-oriented programming principles, and experience with frameworks like Spring or Hibernate, often backed by a degree in computer science or a related field. Familiarity with version control systems (like Git), CI/CD pipelines, and cloud platforms is highly valued, and industry certifications such as Oracle Certified Professional can be advantageous. Soft skills like adaptability, proactive problem-solving, and clear communication help developers collaborate in small, fast-paced teams. These competencies are essential for quickly delivering high-quality software and driving innovation in the dynamic startup landscape.

What are popular job titles related to Java Developer Startup jobs in Ontario? For Java Developer Startup jobs in Ontario, the most frequently searched job titles are:
What job categories do people searching Java Developer Startup jobs in Ontario look for? The top searched job categories for Java Developer Startup jobs in Ontario are:
Infographic showing various Java Developer Startup job openings in Ontario as of July 2026, with employment types broken down into 85% Full Time, 3% Part Time, 1% Temporary, and 11% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $127,888 per year, or $61.5 per hour.

Full-time

Posted 6 days ago


Job description

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\n Java\/Fullstack Engineer required for a startup in Waterford who are expanding the dev team and hoping to almost double their headcount this year.<\/span>
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  • You'll get the chance to build their SAAS product, working extensively in the cloud (AWS), Java on the backend primarily and if interested, contribute to their React frontend.<\/span>
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  • This a heavily backed organisation that are already operating globally. It is a truly unique opportunity with amazing prospects for progression.<\/span>
    <\/span><\/li>\n <\/ul>\n
    \n
    \n <\/div>\n
    \n *Remote working is on offer long term, but you must be based in Ireland*<\/span>
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    \n
    \n <\/div>\n
    \n The Person
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    • 2\/3+ years' experience as a Software Developer, ideally in a JVM environment
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    • AWS experience would be highly beneficial
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    • Containers experience is a huge plus, Docker\/Kubernetes
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    • JavaScript frameworks experience would be an added bonus (React ideal)
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    • Spring Boot or Play frameworks experience would be great
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    • Ability to stand over your code
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    • A passion for building product
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      \n
      \n <\/div><\/span>
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