Lead Java Developer

Mississauga, ON
On-site
Posted Oct 14, 2026
1 position

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Employment type: Full-time
Experience level: Senior · 5+ years
Posting language: English
Working hours: 40 hours per week
Seniority: Executive
Application method: Apply on LinkedIn (LinkedIn sign-in required)

Job summary

Lead Java development using backend technologies and frameworks to build RESTful APIs and microservices. Contribute to frontend development, database work, testing, version control, and Agile team practices.

Job details

Required Skills & Experience Backend: Strong proficiency in Java (8/11/17), Spring Boot, Spring MVC, Hibernate/JPA, RESTful APIs, Microservices. Frontend: Hands-on experience with React.js, Redux, JavaScript (ES6+), TypeScript, HTML5, CSS3, Tailwind/Material UI/Bootstrap. Databases: Proficiency in SQL (PostgreSQL, MySQL, Oracle) and familiarity with NoSQL (MongoDB, Redis). Testing: Unit and integration testing using JUnit, Mockito, Jest, Cypress, Selenium. Version Control: Git, GitHub/Bitbucket/GitLab. Familiarity with Agile methodologies (Scrum/Kanban).

What you’ll do

Requirements

Requires strong proficiency in Java, Spring Boot, Spring MVC, Hibernate/JPA, RESTful APIs, and microservices, along with hands-on experience in React.js and related frontend technologies. Candidates should also be proficient with SQL databases, familiar with NoSQL databases, experienced in testing tools and Git platforms, and familiar with Scrum or Kanban.

Listed skills

MySQL · Preferred
SQL · Preferred
Redis · Preferred
PostgreSQL · Preferred
JavaScript · Preferred
TypeScript · Preferred
Oracle · Preferred
MongoDB · Preferred
Java · Preferred
Spring Boot · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

Java
Spring Boot
Spring MVC
Hibernate/JPA
RESTful APIs
Microservices
React.js
Redux
JavaScript
TypeScript
SQL
PostgreSQL
MySQL
Oracle
MongoDB
Redis

Job areas

Software
Technology
Management & Leadership