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Senior Core Java Developer Jobs in Maple, ON (NOW HIRING)

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Senior Core Java Developer

Toronto, ON · Hybrid

CA$135K - CA$140K/yr

Our challenge We are seeking a Senior Developer with an excellent command of Java to supplement the Equities Technology / Cash & Electronic team. We invest heavily in our front office electronic ...

Java Developer - 5+ Years Location: Canada Experience: 5+ Years Job Type: Full-Time /C2C Work Model ... The ideal candidate should have strong expertise in Core Java, Spring Boot, Microservices, REST ...

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

Senior Java Developer

Toronto, ON · On-site +1

$91K - $120K/yr

Are you a Senior Java Developer who loves working with cutting-edge technologies and solving complex problems? If so, we have an exciting opportunity for you! We are looking for a Senior Java ...

A Java Developer designs, develops, tests, and maintains scalable Java-based applications (web ... Core Responsibilities * Design & Development: Build new and enhance existing Java applications ...

Senior Java Developer

Mississauga, ON · On-site

CA$94K - CA$141K/yr

Core Java: Strong proficiency in Java/J2EE, including advanced concepts like multithreading ... Bachelor's or Master's degree in Computer Science, Engineering, or a related field. Preferred ...

Knowledge of core Java, object-oriented design principles, collections, concurrency, and modern ... Experience as a Java Developer within a financial institution is desirable * Experience with Python ...

... Java/JEE and object-oriented programming * 3+ years of experience with Big Data technologies such ... An equivalent combination of education and practical experience will also be considered Core ...

New

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and ...

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and ...

We are seeking a highly skilled Senior Java Engineer to design, develop, and maintain scalable, high-performance enterprise applications. The ideal candidate will have deep expertise in Java and ...

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

At its core, Localcoin believes that everyone should be able to own cryptocurrency and have a deep ... As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and ...

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Senior Core Java Developer information

Infographic showing various Senior Core Java Developer job openings in Maple, ON as of September 2026, with employment types broken down into 100% Full Time. Highlights an 50% In-person, 17% Hybrid, and 33% Remote job distribution.

Sr. Core Java Developer

Toronto, ON • Hybrid

Synechron
Finance and Insurance • 10K+ employees

CA$120K - CA$140K/yr

Full-time

Medical, Dental, Vision, Life, PTO

Re-posted 6 days ago


Key responsibilities

  • Develop, enhance, and maintain high-performance, low-latency trading and financial systems using Core Java and Spring Framework

  • Design and implement multi-threaded, concurrent, and scalable solutions for mission-critical applications

  • Support and troubleshoot live trading systems, ensuring high availability and low latency


Job description

We are

At Synechron, we believe in the power of digital to transform businesses for the better. Our global consulting firm combines creativity and innovative technology to deliver industry-leading digital solutions. Synechron's progressive technologies and optimization strategies span end-to-end Artificial Intelligence, Consulting, Digital, Cloud & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and technology firms. Through research and development initiatives in our FinLabs we develop solutions for modernization, from Artificial Intelligence and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more. Over the last 20+ years, our company has been honored with multiple employer awards, recognizing our commitment to our talented teams. With top clients to boast about, Synechron has a global workforce of 16,850+, and has 60 offices in 20 countries within key global markets.

Our challenge

We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic team. The ideal candidate will have extensive experience working within capital markets, debt capital markets, and financial operations, with a proven track record of designing and developing high-performance, scalable, and resilient systems. This role requires a deep technical expertise, with the ability to lead and collaborate within a global team, communicate effectively, and deliver robust solutions that meet the demanding needs of financial markets.

Additional Information*

The base salary for this position will vary based on geography and other factors.In accordance with law, the base salary for this role if filled within Toronto, ON is CAD $120k - CAD $140k/year & benefits (see below).

The Role

Responsibilities:

  • Develop, enhance, and maintain high-performance, low-latency trading and financial systems using Core Java and Spring Framework.
  • Design and implement multi-threaded, concurrent, and scalable solutions for mission-critical applications.
  • Architect and optimize SQL queries and work with caching solutions such as MemSQL to ensure fast data retrieval and system efficiency.
  • Collaborate with global teams to understand business requirements and translate them into technical solutions.
  • Work on cloud-based solutions using AWS, Azure, or other cloud platforms to deploy, manage, and monitor applications.
  • Contribute to the architecture and development of distributed systems for capital markets, with an emphasis on debt markets and financial operations.
  • Conduct code reviews, enforce coding standards, and advocate best practices in software development.
  • Support and troubleshoot live trading systems, ensuring high availability and low latency.
  • Stay abreast of technological advancements in cloud, Java, and capital markets to recommend improvements and innovations.

Requirements:

  • Core Java:10-12 years of hands-on experience developing robust Java applications.
  • Spring Framework:5-10 years of experience with Spring Core, Spring Boot, and associated projects.
  • Multi-threading & Low Latency Development:Proven experience designing and implementing multi-threaded, low-latency, high-frequency trading or financial systems.
  • Database & Caching:Expertise in SQL, with experience in query tuning; knowledge of caching solutions such as MemSQL, Redis, or similar.
  • Cloud Platforms:Experience deploying and managing applications on AWS, Azure, or equivalent cloud platforms.
  • Capital Markets & Debt Capital Markets:Prior experience in capital markets, especially debt instruments and related financial operations.
  • Financial Operations:Strong understanding of financial workflows, settlements, and operational processes (beneficial).
  • Communication & Collaboration:Excellent verbal and written communication skills, with experience working in a global team environment.

We offer:

  • A multinational organization with 60 offices in 20 countries and the possibility to work abroad.
  • 15 days (3 weeks) of paid annual leave plus an additional 10 days of personal leave(floating days and sick days).
  • A comprehensive insurance plan including medical, dental, vision, life insurance, and long-term disability.
  • Flexible hybrid policy.
  • RRSP with employer's contribution up to 4%.
  • A higher education certification policy.
  • On-demand Udemy for Business for all Synechron employees with free access to more than 5000 curated courses.
  • Coaching opportunities with experienced colleagues from our Financial Innovation Labs (FinLabs) and Center of Excellences (CoE) groups.
  • Cutting edge projects at the world's leading tier-one banks, financial institutions and insurance firms.
  • A truly diverse, fun-loving and global work culture.

SYNECHRON'S DIVERSITY & INCLUSION STATEMENT

Diversity & Inclusion are fundamental to our culture, and Synechron is proud to be an equal opportunity workplace and is an affirmative action employer. Our Diversity, Equity, and Inclusion (DEI) initiative 'Same Difference' is committed to fostering an inclusive culture - promoting equality, diversity and an environment that is respectful to all. We strongly believe that a diverse workforce helps build stronger, successful businesses as a global company. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We empower our global workforce by offering flexible workplace arrangements, mentoring, internal mobility, learning and development programs, and more.


All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant's gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.

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