Java Fullstack Developer

TSR Consulting, Inc.; Mississauga; Hybrid; CAD 110,000 - 160,000; Full time

Benefits offered by this job

Major medical

HSA

Dental

Vision

Employer-provided group life

Voluntary life insurance

Short-term disability

Long-term disability

401k

Job summary

TSR Consulting, Inc. in Mississauga, ON is seeking a Senior Software Engineer - Java Fullstack to join our dynamic team. The role is hybrid: three days in the office and two remote, with ASAP start and 6+ months contract (Right to Hire).

You will design, build, and scale distributed systems using Java, Spring Boot, Angular, and microservices, delivering robust, secure solutions while collaborating across product, QA, and operations.

Qualifications

• 5+ years in backend software development focused on Java and microservices.
• Expert proficiency in Java 8+ (preferably 11+) and the Spring ecosystem (Spring Boot, Spring Cloud).
• Experience with Angular and microservices patterns such as CQRS, Saga, event sourcing, distributed tracing, and API gateway.
• Experience with RESTful API design and implementation; exposure to GraphQL is a plus.
• Strong RDBMS skills (PostgreSQL, Oracle) and NoSQL (Cassandra, MongoDB); advanced SQL and JPA/Hibernate.
• Messaging expertise with Kafka, RabbitMQ, or JMS and event streaming platforms.
• Comprehensive testing experience: unit (JUnit, Mockito), integration, contract (Pact), and performance testing.
• Advanced Git, branching strategies, pull requests, and repository management.
• Maven or Gradle for multi-module builds and dependency management.
• Cloud experience with AWS, Azure, or GCP and cloud-native practices.

Responsibilities

• Design, implement, and scale distributed, secure, and high‑performance systems.
• Collaborate with Java, Spring, and Angular teams in a full‑stack environment.
• Contribute to microservices architecture with CQRS, Saga, and event sourcing patterns.
• Ensure robust API design with REST and GraphQL where applicable.

Skills

Java

Spring Boot

Spring Cloud

Angular

Microservices

CQRS

Saga

Event Sourcing

API Gateway

REST API

GraphQL

PostgreSQL

Oracle

Cassandra

MongoDB

SQL

JPA/Hibernate

Kafka

RabbitMQ

JMS

JUnit

Mockito

Pact

Git

Maven

Gradle

AWS

Azure

GCP

Job description

TSR Consulting is currently seeking a highly motivated Java Fullstack Developer for an opportunity in Mississauga, ON

Job Type: Hybrid – 3 days to office & 2 days remote

Anticipated Start Date: ASAP

Please note this is the target date and it is subject to change. TSR will send official notice ahead of a confirmed start date.

Expected Duration: 6+ Months Contract (Right to Hire)

Pay Range:

Please note that actual compensation may vary within this range due to factors such as location, experience, and job responsibilities, and does not encompass additional non-standard compensation (e.g., benefits, paid time off, per diem, etc.).

Duration: 6+ Months Contract (Right to Hire)

Mode: Hybrid – 3 days to office

We are seeking a Senior Software Engineer - Java - Senior (C13), Full Stack to join our dynamic team. The ideal candidate will have strong experience in Java, Spring Boot, Spring Cloud, Angular and microservices architecture and a proven ability to design, build, and scale resilient, secure, and performant distributed systems.

Required Skills & Qualifications:

• 5+ years in backend software development focused on Java and microservices.
• Expert proficiency in Java 8+ (preferably 11+) and the Spring ecosystem (Spring Boot, Spring Cloud).
• Experience with Angular
• Hands-on with microservices patterns such as CQRS, Saga, event sourcing, distributed tracing, and API gateway.
• Experience with RESTful API design and implementation; exposure to GraphQL is a plus.
• Strong RDBMS skills (PostgreSQL, Oracle) and NoSQL (Cassandra, MongoDB); advanced SQL and JPA/Hibernate.
• Messaging expertise with Kafka, RabbitMQ, or JMS and event streaming platforms.
• Comprehensive testing experience: unit (JUnit, Mockito), integration, contract (Pact), and performance testing.
• Advanced Git, branching strategies, pull requests, and repository management.
• Maven or Gradle for multi-module builds and dependency management.
• Cloud experience with AWS, Azure, or GCP and cloud-native practices.

TSR Consulting offers all eligible employees a comprehensive benefits package including, but not limited to

• major medical
• HSA
• dental
• vision
• employer-provided group life
• voluntary life insurance
• short-term disability
• long-term disability
• 401k

About TSR:

TSR is a trusted staffing and workforce solutions partner with more than 50 years of experience delivery highly qualified talent to support clients' most critical business and technology initiatives. Through a disciplined approach to sourcing, candidate vetting, and delivery, TSR helps organizations scale teams quickly while maintaining quality and reliability.

TSR operates with a global delivery model, leveraging specialized teams to support enterprise clients across North America and beyond.

In June 2024, TSR was acquired by Justin Christian, founder and CEO of BCforward, a global provider of professional services and workforce solutions. This partnership expands TSR's ability to deliver broader capabilities, global delivery resources, and enhanced opportunities for both clients and consultants.