java backend developers

The Backend Java Developer is responsible for designing, developing, and implementing scalable backend solutions using microservices architecture.This role involves building RESTful web services, optimizing data processing workflows, integrating Kafka for real-time data streaming, and managing Oracle databases.The developer collaborates with cross-functional...

Lead Java Architect (Mid level) Toronto - Hybrid Hands on coding, need to clear coding test. Key Responsibilities Lead the design and development of robust, scalable, and maintainable backend systems, ensuring adherence to high and basic design principles Lead database architecture and optimization efforts, with a focus on performance and data...

Build high-performance Java and Rust trading software with State Street’s EFX Boston team as a senior full-stack developer. Solve complex problems across global platforms. This senior eFX developer creates new functionality alongside a global team delivering bespoke FX trading solutions. The work spans mesh-based service-oriented platforms across multiple...

Role: Full Stack Developer Location: Toronto, ON (Hybrid) Fulltime Visa: Canadian Citizens or PR only Looking for Sr full stack developers 8+ years' experience who needs to have core Java/Springboot skills on backend and Javascript and React skills on frontend. Strong understanding of Data Structures and Algorithms Experience building...

Java Full Stack Microservice DeveloperReveille Technologies,Inc · Vancouver, British Columbia, CABack to resultsJava Full Stack Microservice DeveloperReveille Technologies,IncVancouver, British Columbia, CA Posted October 30, 2026 Via LinkedIn### Full Job Description 8-10 years of hands-on experience in Java/J2EE software development with provenexpertise in...

Flexspring is an iPaaS (Integration Platform as a Service) company specializing in HR data integrations. We partner with HR teams and HR software companies to design and deliver custom integrations that connect HR, payroll, and business systems, reduce manual work, improve data accuracy, and help people's operations run more efficiently. As a Senior...

Explore new AI concepts in Montreal while owning backend systems for Plusgrade’s pricing and fulfillment products. Use Java, AWS, and scalable engineering practices. This Senior Software Developer works within the AI & Merchandising team at Plusgrade. You will divide your time between AI Labs experimentation and production-ready feature delivery. Your work...

At Leap Tools, we are building the world's most advanced solutions for the interior décor industry. With customers in 80+ countries, our clientele includes Fortune 500 companies such as Home Depot, local retailers such as Alexanian's, and everything in between. We have been recognized as one of the fastest-growing tech companies by Deloitte for multiple...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Developer, AI Systems based in Canada.As a Senior Backend Developer, you will play a leading role in evolving a large-scale AI-powered recommendation engine into a modern, scalable distributed architecture. You will...

Backend API leadership defines this Toronto-based Senior Lead Software Engineer position supporting IBM Safer Payments. Candidates need seven to ten years of software development experience. This role serves as a Subject Matter Expert for IBM Safer Payments and its payment processing systems. You will lead architecture, build backend services, and...

At Nöord Technologies, we empower top-tier financial institutions with exceptional talent in banking and capital markets. For the needs of one of our prestigious clients, a major banking actor in Montreal currently experiencing strong growth, we are actively seeking an experienced Senior C# .NET Backend Developer. About the Role As part of a high-performing...

MaintainX is the world's leading AI-powered maintenance and asset management platform, serving 13,000+ customers including Duracell, Shell, Cintas, and Brenntag. We raised $150M in Series D funding led by Bessemer Venture Partners and Bain Capital Ventures, bringing our total funding to $254M. We were named to the Forbes 2025 Cloud 100, the definitive...

Senior Software Developer, Python / Backend Location: Calgary, AB (Hybrid - In-office 2 days a week) Language: Strong written and verbal communication skills in English Salary: $135,000$158,000 CAD annuallyAbout the OpportunityOur client, an established global software company, is looking for an experienced Senior Backend Software Developer to help design,...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Developer, AI Systems based in Canada. As a Senior Backend Developer, you will play a leading role in evolving a large-scale AI-powered recommendation engine into a modern, scalable distributed architecture. You...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Developer, Campaigns Team based in Canada. Join a collaborative engineering team building the core infrastructure behind advanced content personalization and multi-channel marketing campaigns. In this hands‑on...

This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Backend Developer, Campaigns Team based in Canada.Join a collaborative engineering team building the core infrastructure behind advanced content personalization and multi-channel marketing campaigns. In this hands‑on...

Elevate your career with Merinio as a Senior Full Stack Developer focused on backend technologies in a hybrid work environment. Help enhance a robust SaaS platform utilized by thousands across North America. Located in Montreal, Merinio is rapidly expanding its innovative workforce management solutions. As a Senior Full Stack Developer, you will analyze...

At Leap Tools, we are building the world's most advanced solutions for the interior décor industry. With customers in 80+ countries, our clientele includes Fortune 500 companies such as Home Depot, local retailers such as Alexanian's, and everything in between. We have been recognized as one of the fastest-growing tech companies by Deloitte for multiple...

Elevate your career as a Senior Backend Developer focused on Identity and Access Management at Fullscript, a leader in health technology. Collaborate with a dedicated team to enhance security and scalability in IAM systems. This senior role requires expertise in authentication protocols and a passion for user security. You will engage in collaborative...

Description: LivingSafe is a Montreal-based startup that specializes in the collection, analysis and interpretation of data. With LISA, our non-intrusive smart-monitoring system, we provide accurate, insightful information on seniors' health, safety and well-being to caregivers in real-time. Our mission is to improve the quality of care provided to seniors...