Senior Java Full Stack Developer

ON
Hybrid
Posted Oct 16, 2026
1 position

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Employment type: Contract
Experience level: Senior · 5+ years
Minimum education: Bachelor’s degree
Posting language: English
Working hours: 40 hours per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Design and develop scalable Java and Spring Boot microservices, responsive web applications, secure REST APIs, and Kafka-based event-driven systems. Manage data and deployments, implement CI/CD and security controls, develop automated tests, troubleshoot performance, and collaborate with architecture, QA, DevOps, product, and support teams.

Job details

WE’RE HIRING: Senior Java Full Stack Developer Location: Toronto, ON (Hybrid) Experience: 5+ Years 🏢 Industry: Financial Services We are looking for an experienced Senior Java Full Stack Developer to join our team and contribute to building scalable, secure, and high-performance enterprise applications within a complex financial-services environment. The ideal candidate will have strong expertise in Java, Spring Boot, microservices, Angular or React, REST APIs, Kafka, cloud technologies, and containerized deployments. Key Responsibilities: Design and develop scalable Java and Spring Boot microservices. Build responsive web applications using Angular or React. Develop secure RESTful APIs and enterprise integrations. Implement event-driven architectures using Apache Kafka. Work with PostgreSQL and MongoDB for data management and optimization. Deploy applications using Docker, Kubernetes, OpenShift, or AWS. Implement CI/CD pipelines using Jenkins and GitHub Actions. Apply security standards using OAuth 2.0, JWT, and Spring Security. Develop automated tests and troubleshoot performance issues. Collaborate with architecture, QA, DevOps, product, and support teams. Required Technical Skills: ✅ Java 8+ and Spring Boot ✅ Spring MVC, Hibernate, and Microservices ✅ Angular or React, JavaScript, and TypeScript ✅ REST APIs and Apache Kafka ✅ PostgreSQL and MongoDB ✅ Docker, Kubernetes, or OpenShift ✅ Jenkins, GitHub Actions, Maven, and Git ✅ OAuth 2.0, JWT, and Spring Security ✅ JUnit, Postman, and Agile methodologies Preferred Qualifications: Experience in banking, payments, or financial services. Exposure to AWS, EKS, or ECS. Knowledge of PCI-DSS-aligned application controls. Experience with Prometheus, Grafana, Redis, or JMeter. Bachelor’s degree in computer science, Engineering, or a related field. 📩 Interested candidates: Please share your updated resume via direct message or email. If this opportunity matches your profile, we’d love to hear from you! 🔁 Know someone who would be a great fit? Please share this opportunity with your network. kashish.kulbhaje@aptino.com / kashish.kulbhaje@aptino.biz Contact No - 817 330 7081 #Hiring #JavaDeveloper #SeniorJavaDeveloper #FullStackDeveloper #JavaJobs #SpringBoot #Microservices #Angular #ReactJS #ApacheKafka #TorontoJobs #CanadaJobs #ContractJobs #ITJobs #TechCareers

What you’ll do

Requirements

Requires 5+ years of experience and expertise in Java 8+, Spring Boot, microservices, Angular or React, REST APIs, Kafka, databases, containerization, CI/CD, application security, and testing. Financial-services experience, AWS exposure, PCI-DSS knowledge, monitoring or performance tools, and a bachelor's degree in a related field are preferred.