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Added 1 day ago
Senior Software Dev Engineer, Route 53 Health Checks and Console Core
Amazon
Vancouver, BC
…rely on to run DNS and route traffic at global scale. As a Senior SDE on the Amazon Route 53 Health Checks and Console Core team, you will own the technical direction for the team and drive…
Added 1 day ago
TI
Sr. Javascript Developer
Themesoft Inc.
Toronto, ON
- Contract
We are seeking a skilled Senior JavaScript Developer (5-8 years) with strong experience in Node.js and server-side JavaScript development to build and maintain data processing solutions.…
Added 1 day ago
TI
Senior JavaScript Developer (Node.js)
Themesoft Inc.
Toronto, ON
- Contract
Position: Senior JavaScript Developer (Node.js)
Added 1 day ago
C
Senior Java API Developer (Spring Boot / AWS / Kafka)
CGI
Halifax, NS
- Full-time
CGI is seeking an experienced Senior Java API Developer to join our team and contribute to the design, development, and modernization of secure, scalable enterprise applications. In this…
Added 1 day ago
P
Senior Data Developer
Plusgrade
Montreal, QC · CAN - Montreal
- Full-time
Python · SQL · Java · Scala · Snowflake · Airflow · Dagster · Kafka · Kinesis · AWS (S3, Glue, Lambda) · Terraform · Docker · Kubernetes
Added 1 day ago
Senior Manager Development, Treasury Technology
Scotiabank
Toronto, ON
The Senior Manager, Treasury Technology Delivery & Platforms is responsible for leading the technology strategy, delivery, and operational support of the Treasury Technology portfolio. This…
Added 1 day ago
JA
Technical Specialist, Senior - Vital Software
JR Automation
Toronto, ON
- Full-time
The Senior Software Technical Specialist leads the design, development, integration, and testing of complex operationally critical and safety-critical software systems within the railway…
Added 1 day ago
SG
Sr. Forward Deployed Engineer
Software Guidance & Assistance, Inc. (SGA, Inc.)
Mississauga, ON
- Full-time
Seeking a Senior Forward Deployed Engineer (FDE) with deep Java and Python technology expertise to work directly with our clients in the Spread Products space.
Added 1 day ago
C
Sr. Consultant, Back End Developer- Java
CIBC
Toronto, ON
- Full-time
…involving multiple back-end systems. As a Sr. Consultant, Back End Developer- Java, you will build, implement and maintain flexible and modular solutions that enhance the client experience…
Added 1 day ago
C
Consultant, IT Quality Assurance
CIBC
Toronto, ON
- Full-time
…ensure client needs are met with the highest quality. As a Senior Test Coordinator, you’ll be a team lead on CIBC’s Technology team, assigning and overseeing the execution of test cases and…
Added 1 day ago
GM
Senior Software Developer - CI/CD and Software Development Tools
General Motors
Markham, ON
- Full-time
We are seeking a highly skilled and experienced Senior Software Engineer to join the Continuous Integration/Continuous Deployment (CI/CD) and Embedded Software Development Tools…
Added 1 day ago
Senior QA Engineer
Konrad
Toronto, ON
As a Senior QA Engineer, you will play a hands-on role in engineering quality into complex digital products across web, mobile, API, and backend systems. You will combine strong software…
Added 1 day ago
QA Architect
Konrad
Toronto, ON
…automation, and infrastructure management for testing. As a senior leader within the QA discipline, you will champion reusable engineering patterns, mentor technical talent, and help evolve…
Added 2 days ago
M
RQ00828 - Software Developer - Full Stack - Senior
Maarut
Toronto, ON
- Contract
Senior-level experience developing Java and Node.js services, REST APIs, FHIR integrations, event publishers and consumers, and production application logic.
Added 2 days ago
M
RQ00831 - DevOPS/Cloud Engineer - Senior
Maarut
Toronto, ON
- Contract
Senior-level AWS cloud engineering and DevOps experience building, operating, and troubleshooting production serverless, containerized, networking, security, and shared platform resources…
Added 2 days ago
Technical Solutions Development Manager, Workspace, Google Cloud
Google
Waterloo, ON
Experience reading code in a general purpose coding language (e.g., Java, C, C++, Python, Shell, Go, JavaScript) or in system design.
Added 2 days ago
SL
Senior Software Engineer, Operations – Core Java & iOS focus
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Waterloo King
- Full-time
We are looking for a Senior Software Engineer with strong full-stack Java experience and hands-on iOS development skills. You will develop and support reliable applications across the web,…
Added 2 days ago
VI
Senior Java/J2ee Developer
Veriday Inc.
Mississauga, ON
- Contract
Veriday Inc. is looking for a Senior Java Spring Developer for one of our reputed Banking clients for a 6-month contract with potential extension. You'll join the Spread Products Risk and…
Added 2 days ago
VI
Senior Java Consultant
Veriday Inc
Mississauga, ON
- $70 to $90 CAD / hour
- Contract
Veriday Inc. is looking for a Senior Java Spring Developer for one of our reputed Banking clients for a 6-month contract with potential extension. You'll join the Spread Products Risk and…
Added 2 days ago
SC
Senior Developer
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
We are looking for a dynamic and motivated Senior Software Developer who embrace AI-assisted software development as part of their everyday engineering practice to join our engineering…
Added 2 days ago
AS
Mobile Developer (React Native)
Apex Systems
Toronto, ON
- $60 to $70 USD / hour
- Full-time
Native Developer experience with Reactive Native
Added 2 days ago
RC
Senior Backend Java Developer
Realtek Consulting LLC
Toronto, ON
- Contract
We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API Integration, Azure Cloud, and…
Added 2 days ago
AI
Senior Power Platform Engineer
Aptino, Inc.
Quebec, QC
- Contract
We are looking for an experienced Senior Microsoft Power Platform Engineer with expertise in Power Apps, Power Automate, AI Builder, Copilot Studio, Dynamics 365, and Azure AI technologies.
Added 2 days ago
O
Sr. Software Developer
OpenText
Richmond Hill, ON
- Full-time
The Senior Software Developer is a hands-on technical contributor and emerging technical lead who designs, develops, and supports Java and Spring Boot microservices running on Google Cloud…
Added 2 days ago
O
Manager, Software Development
OpenText
Richmond Hill, ON
- Full-time
…software engineers and technical specialists working across Java-based cloud services, Python-based AI and document intelligence, React user experiences, enterprise integrations, and…

Realtek Consulting LLC

Senior Backend Java Developer

Toronto, ON, Canada

Contract

Apply About employer

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Job details

Job type: Contract
Apply by: Nov 27, 2026
Experience: 8+ years of experience in Java backend development.
Posting language: English
Posted: Oct 28, 2026

Original job description

Job Title: Senior Backend Java Developer

Job Location: Toronto, Ontario -Hybrid 3 days office

Long Term Contract

Languages Required: English & Spanish (Professional Fluency)

We are seeking 8-12 years experienced highly skilled Senior Backend Java Developer with strong expertise in Java, Spring Boot, Microservices, API Integration, Azure Cloud, and SQL/PostgreSQL. The ideal candidate must be fluent in both English and Spanish, with the ability to effectively communicate with global stakeholders, business teams, and technical teams across regions.

Key Responsibilities

Design, develop, and maintain scalable backend applications using Java and Spring Boot.

Build and support Microservices-based architectures.

Design, develop, and integrate RESTful APIs and third-party services.

Optimize application performance, scalability, and reliability.

Deploy, monitor, and support applications in Microsoft Azure Cloud.

Develop and optimize database solutions using SQL and PostgreSQL.

Collaborate with cross-functional teams, translating business requirements into technical solutions.

Participate in code reviews, debugging, troubleshooting, and production support.

Work closely with English and Spanish-speaking stakeholders and teams.

Required Skills

8+ years of experience in Java backend development.

Strong expertise in Java, Spring Boot, and Microservices.

Hands-on experience with API Integration and REST services.

Experience with Azure Cloud services and deployments.

Strong knowledge of SQL and PostgreSQL.

Experience in performance tuning and application optimization.

Knowledge of Git, CI/CD pipelines, and Agile methodologies.

Bilingual proficiency in English and Spanish (written and verbal).

Excellent communication, analytical, and problem-solving skills.

Preferred Qualifications

Experience with Docker, Kubernetes, and containerized applications.

Knowledge of Kafka, RabbitMQ, or other messaging frameworks.

Experience working in global, distributed Agile teams.

Apply About employer

More about this job

Responsibilities

Design, develop, and maintain scalable Java and Spring Boot backend applications, microservices, RESTful APIs, and database solutions. Deploy and support applications in Azure, optimize performance and reliability, and collaborate with cross-functional teams and English- and Spanish-speaking stakeholders.

Requirements

Requires 8+ years of Java backend development experience, strong expertise in Spring Boot and microservices, and hands-on experience with API integration, Azure, SQL, and PostgreSQL. Candidates must be professionally fluent in English and Spanish and have experience with performance optimization, Git, CI/CD, and Agile methodologies.

Skills

Java
Spring Boot
Microservices
RESTful APIs
API Integration
Microsoft Azure
SQL
PostgreSQL
Performance Tuning
Git
CI/CD
Agile Methodologies
English
Spanish
Docker
Kubernetes

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Backend Development
Microservices
RESTful APIs
API Integration
Third-Party Services
Microsoft Azure
SQL
PostgreSQL
Performance Tuning
Application Optimization
Git
CI/CD Pipelines
Agile Methodologies
English
Spanish
Docker
Kubernetes
Containerized Applications
Kafka
RabbitMQ
Messaging Frameworks
Code Reviews
Production Support
Distributed Teams

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