Senior Java/React Full-Stack Lead - Hybrid (Mississauga)

Open Systems Technologies

Mississauga

Hybrid

CAD 120,000 - 150,000

Full time

4 days ago

Be an early applicant

Application generator

Get a reply from this employer — a resume and cover letter tailored to exactly what they’re hiring for.

Get past ATS filters

Job summary

Open Systems Technologies in Mississauga seeks a Senior Java/React Full Stack Lead Programmer Analyst to drive development and design decisions across applications. You will combine hands-on coding with architectural oversight, leveraging Java, Spring Boot, React, and microservices to integrate complex APIs.

This three-day hybrid contract-to-hire role requires mentoring junior developers, performing code reviews, and guiding technical initiatives while collaborating with stakeholders to deliver

Qualifications

7–10+ years of experience in application development.
Advanced expertise in Java, Spring Boot, React/ Angular, and microservices.
Strong API design, SQL, and distributed systems knowledge.
Experience with CI/CD pipelines, cloud platforms, and DevOps practices.

Responsibilities

Understand requirements from the user and translate into technical solutions.
Mentor junior developers and guide code reviews; not managing them.
Lead design decisions and drive API integrations across systems.
React-focused; proficiency in React with the ability to switch to Angular if needed; ensure efficient coding.

Skills

Java

Spring Boot

React

microservices architecture

API design

SQL

CI/CD pipelines

cloud platforms

DevOps practices

stakeholder management

Education

Bachelor’s degree or equivalent experience

Tools

CI/CD tooling

Cloud platforms

Job description

This three-day hybrid contract-to-hire role requires mentoring junior developers, performing code reviews, and guiding technical initiatives while collaborating with stakeholders to deliver

Get your free, confidential resume review.

or drag and drop your file here.