Senior Backend/Microservice Engineer

Synechron; Mississauga; Hybrid; CAD 100,000 - 165,000; Full time

Benefits offered by this job

International offices

Paid time off 15 days + 10 personal

Insurance plan

Flexible hybrid policy

RRSP with employer contribution

Udemy for Business

Coaching opportunities

Projects with tier-one banks

Diverse global culture

Job summary

Synechron is seeking a Senior Java Backend Developer to design and build the microservices layer that connects a blockchain platform with core enterprise systems. You will work on high-impact services supporting transaction orchestration, reconciliation, event processing, and integration between on-chain and off-chain environments.

The ideal candidate has strong backend engineering experience, a solid understanding of distributed systems, and exposure to banking, payments, digital assets, or

Qualifications

• Strong backend software development experience.
• Strong proficiency in Java and enterprise-grade applications.
• Experience designing RESTful APIs and microservices.
• Understanding of event-driven architectures and messaging platforms such as Kafka or Google Pub/Sub.
• Experience with distributed systems, asynchronous processing, and service-to-service integration.
• Familiar with CI/CD, testing, observability, and code reviews.
• Excellent communication and collaboration skills.

Responsibilities

• Design, develop, and implement APIs and microservices that integrate on-chain and off-chain systems.
• Build services for transaction orchestration, settlement, reconciliation, and event processing.
• Develop secure, scalable backend services using Java and cloud-native technologies.
• Design and implement event-driven solutions using platforms such as Kafka or Google Pub/Sub.
• Integrate blockchain and digital asset platforms with core banking and enterprise systems.
• Apply microservices and API design best practices, including security and observability.
• Collaborate with architects, product managers, business stakeholders, and engineering teams to translate requirements into effective technical solutions.
• Contribute to code reviews, automated testing, and continuous improvement of development practices.
• Troubleshoot production issues and support the reliability, scalability, and resilience of the services layer.
• Ensure solutions align with banking, security, compliance, and enterprise technology standards.

Skills

Java

REST APIs

Event-driven architectures

Distributed systems

CI/CD

Observability

Communication

Tools

Kafka

Google Pub/Sub

Node.js

Python

Go

Job description

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 17,000+, and has 58 offices in 22 countries within key global markets.

Synechron is seeking a Senior Java Backend Developer. In this role, you will help design and build the microservices layer that connects a blockchain platform with core enterprise systems.

You will work on high-impact services supporting transaction orchestration, reconciliation, event processing, and integration between on-chain and off-chain environments. The ideal candidate will have strong backend engineering experience, a solid understanding of distributed systems, and exposure to banking, payments, digital assets, or blockchain technologies.

Key Responsibilities

• Design, develop, and implement APIs and microservices that integrate on-chain and off-chain systems.
• Build services for transaction orchestration, settlement, reconciliation, and event processing.
• Develop secure, scalable, and resilient backend services using Java and modern cloud-native technologies.
• Design and implement event-driven solutions using platforms such as Kafka or Google Pub/Sub.
• Integrate blockchain and digital asset platforms with core banking and enterprise systems.
• Apply microservices and API design best practices, including versioning, security, observability, and performance optimization.
• Collaborate with architects, product managers, business stakeholders, and engineering teams to translate requirements into effective technical solutions.
• Contribute to code reviews, technical documentation, automated testing, and continuous improvement of development practices.
• Troubleshoot production issues and support the reliability, scalability, and resilience of the services layer.
• Ensure solutions align with banking, security, compliance, and enterprise technology standards.

Required Qualifications

• Strong backend software development experience.
• Strong proficiency in Java and experience developing enterprise-grade applications.
• Experience designing and building RESTful APIs and microservices.
• Strong understanding of event-driven architectures and messaging platforms such as Kafka or Google Pub/Sub.
• Experience with distributed systems, asynchronous processing, and service-to-service integration.
• Experience with software development best practices, including unit testing, code reviews, CI/CD, and observability.
• Strong understanding of scalability, resilience, fault tolerance, and performance optimization.
• Excellent communication, collaboration, and problem-solving skills.

Preferred Qualifications

• Previous experience working with banking or other financial services clients.
• Experience in payments, transaction processing, settlement, or reconciliation systems.
• Experience with digital assets, cryptocurrency, blockchain, or distributed ledger technology.
• Experience with Web3 or blockchain application development.
• Experience with Node.js, Python, or Go in addition to Java.
• Familiarity with smart contracts, wallets, tokenization, or on-chain transaction workflows.
• Knowledge of financial services security, risk, and regulatory considerations.

We offer:

• A multinational organization with 58 offices in 22 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.

S YNECHRON’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.