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Java Developer Startup Jobs in Ontario (NOW HIRING)

Sun Life Financial

Engineering Manager

Waterloo, ON · Remote

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.

Propel Holdings

Sr. Software Developer

Toronto, ON

CA$110K - CA$135K/yr

  • Medical

  • Dental

  • PTO

About You: As a fast-growing fintech, we stay true to our startup roots. You picture yourself ... Java) technologies * Write efficient, clean and maintainable code * Continuously improve the ...

eStorage

Senior DevOps Engineer

Kitchener, ON · On-site +1

CA$110K - CA$140K/yr

  • Medical

  • Retirement

  • PTO

... dynamic startup like environment.. Responsibilities: * Design, implement, and maintain CI/CD ... Proficiency in scripting languages (e.g., Python, Bash, Java, Ruby, PHP, PowerShell). * Hands-on ...

Canadian Solar

Senior DevOps Engineer

Kitchener, ON · On-site +1

CA$110K - CA$140K/yr

... dynamic startup like environment.. Responsibilities: * Design, implement, and maintain CI/CD ... Proficiency in scripting languages (e.g., Python, Bash, Java, Ruby, PHP, PowerShell). * Hands-on ...

TOPOLIO

Software Engineer, CTO

Toronto, ON · On-site +1

You have walked the talk at various levels and can be effective in all startup roles from scripting ... Java Experience with AWS, Scala, REST, Pyton, Angular JS; scripting Experience evaluating ...

Signal 1

SeniorSoftwareEngineer

Toronto, ON · On-site

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 early-stage ...

Trellis

Senior Full Stack Developer

Kanata, ON

... startup. We are a B2B SaaS company that provides an AI-powered software platform for eCommerce ... Programming experience in Python, JavaScript, C#, Java, or another object-oriented language. * An ...

Bullish

Senior Engineer, Risk Engineering

London, ON · On-site

... startup environment. * Language Proficiency: Advanced proficiency in Java, with a solid ... Proficient with modern DevOps and cloud tools, including Git, Docker, Kubernetes, and cloud ...

Priceline

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Any Java/Kotlin, Python, ML/Data Science experience are all a bonus. * Strong analytical and ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Priceline.com LLC

Senior Full-Stack Developer

Toronto, ON · Hybrid

CA$140K - CA$160K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Any Java/Kotlin, Python, ML/Data Science experience are all a bonus. * Strong analytical and ... We're a grown-up, startup. We deliver the excitement of a new venture, without the struggles and ...

Calliere

... startup and the rigor of a mature tech organization. \n \n \n The Role \n \n \n This is a ... Write scalable, production\-ready code, primarily utilizing Java and Python. \n \n \n \n ...

Acceldata

Field Engineering Co-Op

Kitchener, ON

CA$20 - CA$30/hr

Gain valuable experience at a fast-growing tech startup in Canada. * Work alongside senior field ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

Acceldata

Sales Engineering Co-Op

Kitchener, ON · On-site

CA$20 - CA$30/hr

Gain valuable experience at a fast-growing tech startup in Canada. * Work on real-world projects ... Strong programming skills in languages such as Java, Scala, and Python.Knowledge of data structures ...

Signal 1

Senior Full Stack SoftwareEngineer

Toronto, ON · On-site

Director of Application Engineering Signal 1 helps health systems accelerate AI adoption with a ... Signal 1 is a 30-person, well-funded and rapidly growing startup with strong product market fit and ...

ShyftLabs

Technical Lead

Toronto, ON · Hybrid

CA$130K - CA$170K/yr

  • Medical

  • Dental

  • Vision

The Opportunity We're an ambitious Toronto-based startup building data-driven products that operate ... Set the Bar for Engineering: Define and enforce best practices around code quality, CI/CD ...

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Showing results 21-40

All JobsJava Developer Startup JobsJava Developer Startup Jobs in Ontario

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 Aug 19, 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?

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 are the key skills and qualifications needed to thrive as a Java developer in a startup?

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 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 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:

Java Developer Startup jobs near you
Infographic showing various Java Developer Startup job openings in Ontario as of August 2026, with employment types broken down into 75% Full Time, 12% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $127,888 per year, or $61.5 per hour.

Engineering Manager

Sun Life Financial

Waterloo, ON • Remote

Full-time

Re-posted 11 days ago

Sun Life Assurance Company of Canada rating

8.6

Company rating: 8.6 out of 10

Based on 18 frontline employees who took The Breakroom Quiz

91st of 310 rated insurance

Job description

You are as unique as your background, experience and point of view. Here, you'll be encouraged, empowered and challenged to be your best self. You'll work with dynamic colleagues - experts in their fields - who are eager to share their knowledge with you. Your leaders will inspire and help you reach your potential and soar to new heights. Every day, you'll have new and exciting opportunities to make life brighter for our Clients - who are at the heart of everything we do.


At Sun Life, we're driven by our Purpose: helping our Clients achieve lifetime financial security and live healthier lives. Our values shape how we work: caring, authentic, bold, inspiring, and impactful.


When you join Sun Life, you'll work with passionate colleagues and empowering leaders who support your growth and celebrate your contributions, so you can make a meaningful difference in our Clients' lives.


Discover how you can make a difference in the lives of individuals, families and communities around the world.


Job Description:

The Role

Prospris Sun Life's digital front door for Canadians - startup velocity inside a Fortune 500.We'rerevolutionizing how Canadians access insurance and wealth solutions by building a platform that lets people buy products the way they want to: online in minutes orvirtually viaa team of trusted, licensed Advisors.

We'renot playing it safe.We'rebuilding with AI and creating omnichannel experiences - at the speed customers now expect.Youleadthe squad. Yourteam's success is your success.

As Engineering Manager,you'reaccountable for a single squad's delivery, people development, and execution quality. You balance hands-on technical contribution with people leadership. You translate product requirements into executable work, own sprint commitments, and ensure your squad is healthy, productive, and shipping at startup velocity.

You'reaccountable for how work gets done-sprint execution, code quality, team health, and delivery commitments.You'llleadthesquad, working closely with Product Directors to drive business outcomes.

For candidates with these preferred skills, exceptions beyond the usual salary range below may be possible.

What You'll Do

  • Lead sprint execution and delivery commitmentswith full accountability

  • Translate product requirementsinto clear, executable engineering work

  • Directly manage developers-hiring,own their performance, growth, engagement, and career development

  • Enforce engineering standards and code qualitywithin your squad

  • Stay technically credible-you code when needed and lead technical discussions

  • Build andmaintaina healthy squad culturealigned with Accelerator principles

  • Remove blockers and manage dependencieswith other squads, enterprise teams, and vendors

  • Own day-to-day delivery coordinationwith Product, Design, and other squads

  • Balance technical debt with feature delivery-you make the trade-offs

  • Operate with startup velocity-fast iterations, continuous deployment, data-driven decisions

What Success Looks Like

Your squad delivers predictably and at high velocity. Engineers are growing and engaged. Code quality is consistently high. The team collaborates well. Product and stakeholders trust yourcommitments.You'reshipping features that drive business outcomes-lead conversion, advisor productivity, straight-through processing rates.

Who You Are

  • Experienced engineer ready to lead peopleor current EngineeringManagerfrom a product-focused tech company

  • Startup mindset-you know how to ship fast and iterate based on data

  • Comfortable balancing hands-on technical work with management

  • Strong at sprint planning, estimation, and executionin an Agile environment

  • Comfortablehaving tough conversationsabout performance, growth, and accountability

  • Detail-oriented without losing sight of business outcomes

  • Able to context-switchbetween code reviews, 1:1s, and stakeholder management

  • Protective of your team's time and focuswhilemaintaininghigh throughput

What You Bring

  • 7+ years of professional software engineering experience, including 2+ years in an Engineering Manager (or equivalent team leadership) role.

  • Experience leading a single squad/team end-to-end (delivery, quality, reliability, and team health), with clear examples of outcomes.

  • Hands-onexpertisewith Java, React (or other similar modern Javascript) and enterprise integrations. Experience with Salesforce is an asset.

  • Demonstrated ability to run team-level execution rituals (planning, sprint/flow management, dependencies, release coordination) and improve delivery predictability.

  • Experience hiring, onboarding, and developing engineers (coaching, feedback, performance conversations)

  • Technical credibility to guide design and implementation: comfortable with architecture discussions, code/design reviews, and raising the engineering quality bar.

  • Proven partnership with Product and Design to shape scope, manage trade-offs, and communicate progress/risks clearly.

Why This Role

  • High-Impact Work: Build products that directly shape Sun Life's future, with your code reaching real users quickly

  • Leadership Opportunity: Lead technical direction, mentor others, and shape the engineering culture of a growing team

  • Autonomy and Ownership: Make decisions, drive solutions, and see the direct impact of your work

  • Learn and Grow Fast: Exposure tonew technologies, business problems, and the full product lifecycle in a compressedtimeframe

  • Collaborative, Innovative Culture: Work with passionate, talented people who move fast and support eachother.

  • Flexible Workstyle: In office 2-3days per week, hybrid the rest of the week

What's in it for you?

  • Great Place to Work Certified for Most Trusted Executive Team in Canada - 2025, 2024 and 2023
  • Great Place to Work Certified for Best Workplaces in Canada - 2025
  • Canada Order of Excellence for Mental Health at Work certification from Excellence Canada. Sun Life is one of only four companies in Canada to ever receive this certification - 2024
  • Top Work Places for Remote Work - Monster Canada - 2024
  • Great Place to Work Certified for Best Workplaces in Canada - 2024 and 2022
  • Great Place to Work Certified for Best Workplaces for Women in Canada - 2024
  • Flexible hybrid work model. #LI-Hybrid
  • Pension, stock and savings programs to help build and enhance your future financial security
  • Work and professional development that is united by our Purpose: to help Clients and Employees achieve lifetime financial security and live healthier lives
  • A friendly, collaborative and inclusive culture
  • Be part of our continuous improvement journey in developing the next greatest digital enterprise experience.
  • Competitive salary and bonus structure influenced by market range data
  • The opportunity to move along a variety of career paths with amazing networking potential

The Base Pay range is for the primary location for which the job is posted. It may vary depending on the work location of the successful candidate or other factors. In addition to Base Pay, eligible Sun Life employees participate in various incentive plans, payment under which is discretionary and subject to individual and company performance. Certain sales focused roles have sales incentive plans based on individual or group sales results.


Diversity and inclusion have always been at the core of our values at Sun Life. A diverse workforce with wide perspectives and creative ideas benefits our Clients, the communities where we operate and all of us as colleagues. We welcome applications from qualified individuals from all backgrounds.


Persons with disabilities who need accommodation in the application process, or those needing job postings in an alternative format, may e-mail a request to thebrightside@sunlife.com.


We are proud to be a hybrid organization that offers our employees the choice and flexibility to work from both the office and virtually based on the needs of the business, our Clients and you.


We may use artificial intelligence to support candidate sourcing, screening, interview scheduling.


We thank all applicants for showing an interest in this position. Only those selected for an interview will be contacted.


Salary Range:

90,000/90 000 - 140,000/140 000

Job Category:

IT - Application Development

Posting End Date:

16/08/2026

What Sun Life Assurance Company of Canada employees say

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