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Added 2 days ago
SM
RQ00811 – Software Developer – Full Stack – Senior
S M Software Solutions Inc
Toronto, ON
- Full-time
We are seeking a Senior Full Stack Software Developer with extensive hands-on experience in Java, Spring Boot, REST APIs, HAPI FHIR, NextGen Connect (Mirth), HL7 v2, ReactJS, and healthcare…
Added 2 days ago
T
Lead Java Engineer
TEKsystems
Toronto, ON
- $90 to $110 CAD / hour
- Contract
…Asie, qui collaborent avec nous dans le cadre de nos capacités full-stack et notre rythme. Nous sommes des penseurs stratégiques, des collaborateurs pratiques qui aident les clients à…
Added 2 days ago
RB
Application Security Consultant - SCA (Global Security)
Royal Bank of Canada
Toronto, ON
- Full-time
We are seeking a talented Intermediate Developer to join our Application Security team and serve as a bridge between security and development. You will provide technical execution and…
Added 2 days ago
J
Senior Full Stack Software Developer (Java/React, Dynamics 365 & Power Platform)
Joblinxsapp
Toronto, ON
- Full-time
We are seeking a highly experienced Senior Full Stack Software Developer with strong hands-on expertise in Node.js, Next.js, React, Java, Spring Boot, Microsoft Dynamics 365, Power…
Added 2 days ago
T
IT Manager Development (CIAM)
TD
Toronto, ON
- Full-time
Have a strong technology background as full stack (Java primarily) microservices, Springboot, developer with the exceptional experience building large scale enterprise
Added 2 days ago
RB
Lead Full Stack Developer
Royal Bank of Canada
Toronto, ON
- Full-time
At its core, this role requires excellent problem-solving skills and C#/.Net, Java, Python and full stack coding capability. This role will need to effectively communicate, collaborate, and…
Added 2 days ago
Senior Engineering Manager - Hospitality
OpenTable
Toronto, ON
Our data platform is built on a modern, cloud-native stack. Our ecosystem includes technologies for data ingestion (CDC and Kafka), processing (Spark), storage (Databricks/S3), and…
Added 2 days ago
RT
Software Developer - Full Stack - Senior
Russell Tobin
Toronto, ON · Greater Toronto Area, Canada
- $80 to $95 CAD / hour
- Contract
Job Title: Software Developer - Full Stack - Senior
Added 2 days ago
LT
Senior Dotnet Developer
Lorven Technologies Inc.
Mississauga, ON
- Contract
Good grasp of JVM-based language fundamentals (Java or Kotlin); able to read, reason about, and contribute to codebases beyond the primary stack when the need arises.
Added 2 days ago
D
Curam Solution Architect
Deloitte
Ottawa, ON
- Full-time
Our Engineering practice provides a full suite of services to clients to assist them with all phases of the software lifecycle, as well as providing advisory and transformational services.…
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 3 days ago
E
Senior Full-Stack Application Developer (Kotlin-Java/React)
Equisoft
Montreal, QC · Quebec, QC · HYBRID - Montreal, Canada
- Full-time
Role: The Senior Full-Stack Application Developer (Kotlin-Java/React), reports to the Director, Product Development, you will be working with a team of 13 members that include developers,…
Added 3 days ago
VS
Senior Full Stack Developer
vTech Solution Canada
Toronto, ON
- Contract
Job Title: Senior Software Developer - Full Stack
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 3 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Montreal, QC · Quebec, QC · HYBRID - Montreal, Canada
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 3 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Quebec, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 3 days ago
E
Senior Full-Stack Developer (Kotlin-Java/React)
Equisoft
Montreal, QC
- Full-time
Role: The Senior Full-Stack Developer (Kotlin-Java/React) reports to the Director, Product Development, and works closely with a team of 14 members composes of Developers, Business…
Added 3 days ago
AS
Full Stack Engineer
Axelon Services Corporation
Montreal, QC
- $65.52 USD / hour
- Other
Strong full-stack development experience with Angular and TypeScript, Java and Spring Boot, RESTful APIs, distributed systems, and secure application design.
Added 3 days ago
BI
Full Stack Senior Developer
BURGEON IT SERVICES
Toronto, ON
- Contract
Microservices architecture, java (Spring boot), Restful API, Graph QL, Web apps, Postman, Selenium, Machine Learning/AI
Added 3 days ago
A
Java Spark Developer
Apptad
Montreal, QC
- Contract
We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and…
Added 3 days ago
VS
Full Stack Developer (Java/React)
vTech Solution Canada
Toronto, ON
- Contract
Title: Full Stack Software Developer (Java/React)
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…
Added 3 days ago
M
Senior Java Full Stack Developer
Miratech
Toronto, ON
- Full-time
We are looking for a Senior Full Stack Developer to design, build and maintain both front-end interfaces and back-end systems, including APIs, microservices, databases and cloud…

Apptad

Java Spark Developer

Montreal, QC, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 22, 2026
Posting language: English
Posted: Oct 23, 2026

Original job description

Senior Java Spark Backend Developer

Location: Montreal

Experience Level: Senior (7+ Years)

Position Overview:

We are seeking a highly skilled and experienced Senior Java Backend Developer to join our core engineering team. In this role, you will be responsible for designing, building, and maintaining high-performance, scalable, and secure backend systems.

The ideal candidate will have over 7 years of enterprise Java development experience, a strong background in big data processing using Apache Spark, and a passion for engineering excellence. While this is primarily a backend role, knowledge of Angular UI is a plus.

Key Responsibilities:

System Architecture: Design, develop, and deploy robust, scalable, and microservices-based backend systems using Java and Spring Boot.

Data Processing: Architect and optimize large-scale, distributed data processing pipelines using Apache Spark.

Database Management: Write complex SQL/NoSQL queries and optimize database performance for high-throughput applications.

API Development: Design and implement secure, well-documented RESTful APIs.

Mentorship & Code Quality: Lead code reviews, enforce best practices, and mentor junior and mid-level developers.

Cross-Functional Collaboration: Partner closely with frontend teams, product managers, and DevOps to deliver seamless end-to-end features.

Required Technical Skills & Qualifications:

Experience: 7+ years of professional software development experience primarily focused on backend engineering.

Core Java: Deep expertise in Java (Java 8/11/17+), including multithreading, concurrency, memory management, and design patterns.

Frameworks: Extensive experience with Spring Ecosystem (Spring Boot, Spring MVC, Spring Security, Spring Data).

Big Data Frameworks: Proven track record of building and tuning production-grade data pipelines using Apache Spark (Core, SQL, or Streaming).

Databases: Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL solutions (e.g., MongoDB, Cassandra).

Tools & DevOps: Proficiency with Git, CI/CD pipelines (Jenkins, GitLab, or GitHub Actions), Maven/Gradle, and Docker.

Nice-to-Have Skills:

Frontend Knowledge: Familiarity or hands-on experience with Angular (TypeScript, RxJS, state management), enabling smooth full-stack collaboration.

Cloud Platforms: Experience deploying and managing applications on cloud environments (AWS, GCP, or Azure).

Container Orchestration: Knowledge of Kubernetes

Soft Skills:

Strong analytical, problem-solving, and debugging skills.

Excellent communication and collaboration skills to work effectively in an agile environment.

Proven ability to take ownership of projects from concept to deployment

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More about this job

Responsibilities

Design, build, and maintain scalable, secure Java microservices and optimize distributed data-processing pipelines using Apache Spark. Develop APIs and database solutions, uphold code quality through reviews and mentorship, and collaborate with frontend, product, and DevOps teams.

Requirements

Requires 7+ years of backend software development experience, strong Java expertise, extensive Spring experience, and a track record building production-grade Apache Spark pipelines. Candidates should also know relational and NoSQL databases, Git, CI/CD, build tools, and Docker; Angular, cloud platforms, and Kubernetes are advantageous.

Skills

Java
Spring Boot
Spring MVC
Spring Security
Spring Data
Apache Spark
SQL
NoSQL
PostgreSQL
MySQL
MongoDB
Cassandra
RESTful APIs
Docker
CI/CD
Microservices

Visa sponsorship

Not detected in the job text

Keywords

Java
Java 8
Java 11
Java 17
Spring Boot
Spring MVC
Spring Security
Spring Data
Apache Spark
Spark Core
Spark SQL
Spark Streaming
Microservices
RESTful APIs
SQL
NoSQL
PostgreSQL
MySQL
MongoDB
Cassandra
Git
CI/CD
Jenkins
GitLab
GitHub Actions
Maven
Gradle
Docker
Angular
Kubernetes

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