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Added 1 month ago
A
Full Stack Engineering Specialist, Front-End Angular/React & Back-End Java
Accenture
Ottawa, ON
- Full-time
Design, develop, and maintain scalable backend services and APIs using Java, REST APIs, and microservices.
Added 26 days ago
Java Spark Developer
Capgemini
Montreal, QC
Design, develop, and maintain high-performance Java-based applications and data processing solutions.
Added 1 month ago
OT
Technical Architect
Open Text Corporation
Waterloo, ON
- Other
4+ years of Java / Python development coupled with REST and SOAP Frameworks.
Added 1 month ago
Software Development Engineer - Mobile Shopping, Builder Acceleration
Amazon
Vancouver, BC
- Experience programming with at least one modern language such as Java, C++, or C# including object-oriented design
Added 2 months ago
B
MarTech Developer
BrainStation
Toronto, ON
- $90,000 to $120,000 USD / year
- Full-time
As a MarTech Developer, you'll be tasked with working on a variety of client-facing marketing technology initiatives. Working within cross-functional project teams, your responsibilities…
Added 2 months ago
LH
AI Augmented Developer II (Espresso)
LGI Healthcare Solutions
Montreal, QC
- Full-time
Added 2 months ago
C
Sr. Engineer II, Cloud - CTIO (Hybrid)
CrowdStrike
Toronto, ON
- Full-time
Strong knowledge of Go, Java, or similar technologies
Added 1 month ago
MS
Java Full-Stack Developer (Hybrid)
Morgan Stanley
Montreal, QC
- Full-time
We’re seeking someone to join our team as a Java Full-Stack Developer to lead the design, development, and delivery of mission-critical risk technology solutions that support…
Added 1 month ago
B
Senior Software Engineer
Broadridge
Toronto, ON
- Full-time
Proficiency in one or more of: Java 17/21, Spring Boot / Framework, Oracle PL/SQL, JavaScript, TypeScript, React, CSS, REST API design and integration
Added 27 days ago
MI
Senior Associate, IT, Application Support Analyst (Core Banking)
MUFG Investor Services
Toronto, ON
- $91,000 to $110,000 CAD / year
- Full-time
Exposure and understanding of SWIFT products and messaging standards, ISO 20022,SQL Server, PL/SQL, Java and .Net applications.
Added 1 month ago
T
Senior Information Security Analyst (Secure Code Review)
TD
Toronto, ON
- Full-time
Deliver secure code review assessment on programming languages such as Java, C#, PHP, Python, Perl, C/C++ , SQL, >
Added 27 days ago
Sr. SDET Engineer (Playwright / RestAssured / FTE / Onsite)
NTT DATA Services
Halifax, NS
Develop and maintain scalable test automation frameworks using Java, Spring Boot, RestAssured, Playwright, Karate, Cucumber, and TestNG.
Added 1 month ago
Software Development Engineer, Personnel Resource Manager
Amazon
Toronto, ON
You'll work across the full technology stack - distributed Java microservices, serverless Lambda functions, and integrations with dozens of partner systems including Learning Management…
Added 1 month ago
Senior Software Engineer - Metadata
Fivetran
ON
Proficiency in a modern backend or systems language such as Python, Java, C++, or C#
Added 1 month ago
VD
Senior Software Engineer - Database
VAST Data
Vancouver, BC
- Full-time
Knowledge of Python or Java for integration or tooling
Added 2 months ago
C
Développeur
CGI
Sherbrooke, QC
- Full-time
Posséder un minimum de 5 ans d’expérience dans le développement d’applications avec les technologies JAVA, combiné à 2 ans d'expérience avec les technologies .NET.
Added 2 months ago
TS
Java Architect
T-Rex Solutions
Remote, Canada
- $100,000 to $185,000 USD / year
- Full-time
- Remote
T-Rex Solutions is looking to select a Java Architect to support our Internal Revenue Service (IRS) EDOS program. The overall mission of this program is to modernize the IRS legacy Tax…
Added 2 months ago
TS
Senior Java Developer
T-Rex Solutions
Remote, Canada
- $100,000 to $185,000 USD / year
- Full-time
- Remote
T-Rex Solutions is looking to select a Senior Java Developer to support our Internal Revenue Service (IRS) EDOS program. The overall mission of this program is to modernize the IRS legacy…
Added 2 months ago
JG
Java Developer
J&M Group
Toronto, ON
- Contract
Develop and maintain end-to-end web applications using Java (Spring Spring Boot) and JavaScript frameworks.
Added 2 months ago
JG
Python Full Stack Developer
J&M Group
Toronto, ON
- Full-time
We are looking for an experienced Python Full Stack Developer to design and build scalable web applications and APIs. The ideal candidate has strong expertise in Python, Django, Flask,…
Added 2 months ago
E
Senior Software Engineer
Emburse
Toronto, ON
- Full-time
Minimum of 6 years’ professional experience in Java development. Experience working in OS X and Linux environments, Spring, AWS, Microservices, SQL, NoSQL, GIT. Experience working in a…
Added 1 month ago
D
Chief Software Engineering Architect
DataStealth
Mississauga, ON
- Full-time
Work across the stack using the right language for the job: Java (primary), TypeScript/Node.js, Golang, and Rust
Added 1 month ago
D
Senior DevOps Engineer
DataStealth
Mississauga, ON
- Full-time
Knowledge in building tools for Java (Maven) and Javascript/TypeScrypt (npm/nx/chromatic)
Added 1 month ago
CO
Staff Software Engineer
Capital One
Toronto, ON
- Full-time
Act as a tech lead developer owning technical design and development of cross-functional, multi-platform, fault tolerant application systems
Added 1 month ago
M
Senior Software Engineer - Brokerage Platform
moomoo
Remote, Canada
- Full-time
- Remote
Strong backend software development experience in one or more major programming languages such as Java, C++, Go, Python or similar languages.

T-Rex Solutions

Senior Java Developer

Remote, Canada

Remote

$100,000 to $185,000 USD / year · Full-time

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Job details

Pay: $100,000 to $185,000 USD / year
Job type: Full-time
Workplace: Remote
Experience: Bachelor's Degree and 12+ years of overall experience
Posting language: English
Posted: Jul 30, 2026

Original job description

T-Rex Solutions is looking to select a Senior Java Developer to support our Internal Revenue Service (IRS) EDOS program. The overall mission of this program is to modernize the IRS legacy Tax processing systems and is critical to the overall modernization of the IRS to improve taxpayer experience, increase voluntary compliance, and reduce the IRS’s reliance on costly and unsustainable legacy technology. We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications. They should have a strong understanding of Java language and Java design patterns as well as a strong understanding of configuring Spring Boot applications and extensive experience with writing microservices in a cloud environment. Responsibilities: Work with development teams and product managers to ideate software solutions. Design, develop and test custom software solutions across multiple system components or applications. Contribute to all phases of the development lifecycle. Ensure designs are in compliance with requirements. Write effective APIs and technical documentation. Write well designed, testable, efficient code in line with programming standards and interface specifications. Test software to ensure responsiveness and efficiency. Troubleshoot, debug and upgrade software. Prepare and produce releases of software components. Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review. Debug build, integration test, and deployment issues. Complete all tasks within timelines for each sprint. Identify roadblocks and issues during daily scrum call. Participates in scrum activities. Requirements: Bachelor's Degree and 12+ years of overall experience US Citizenship required Must possess an active IRS MBI Clearance and have current GFE Java Full Stack Development Service Oriented Architecture (SOA) PostgreSQL Microservices Architecture Spring Boot Excellent oral and written communication skills with client stakeholders at all organizational and technical levels Prior experience working on Agile teams Desired Skills: Experience working with Spring Boot integration with Kafka is a plus. Experience with modernizing existing legacy is a plus T-Rex Overview Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing data-centric mission services to the Federal government as it increasingly tries to secure and leverage the power of data. We design, integrate, secure, and deploy advanced technical solutions for our customers so they can efficiently fulfill their critical objectives. T-Rex offers both IT and professional services to numerous Federal agencies and is a leader in providing high quality and innovative solutions in the areas of Cloud and Infrastructure Services, Cyber Security, and Big Data Engineering. T-Rex is constantly seeking qualified people to join our growing team. We have built a broad client base through our devotion to delivering quality products and customer service, and to do that we need quality individuals. But more than that, we at T-Rex are committed to creating a culture that supports the development of every employee's personal and professional lives. T-Rex has made a commitment to maintain the status of an industry leader in compensation packages and benefits which includes competitive salaries, performance bonuses, training and educational reimbursement, Transamerica 401(k) and Cigna healthcare benefits. T-Rex is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex (including pregnancy and sexual orientation), parental status, national origin, age, disability, family medical history or genetic information, political affiliation, military service, or other non-merit based factors. In compliance with pay transparency guidelines, the annual base salary range for this position is $100,000 - $185,000. Please note that the salary information is a general guideline only. T-Rex considers factors such as (but not limited to) scope and responsibilities of the position, candidate’s work experience, education/training, key skills, internal peer equity, as well as market and business considerations when extending an offer. T-Rex offers a diverse and collaborative work environment, exciting opportunities for professional growth, and generous benefits, including: PTO available to use immediately upon joining (prorated based on start date), paid parental leave, individual and family health, vision, and dental benefits, annual budget for training, professional development and tuition reimbursement, and a 401(k) plan with company match fully vested after 60 days of employment among other benefits.

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More about this job

Responsibilities

Design, develop, and test custom software solutions and microservices to modernize IRS legacy tax processing systems. Collaborate with product managers and development teams throughout the full software development lifecycle using Agile methodologies.

Requirements

Requires a Bachelor's degree, 12+ years of experience, US Citizenship, and an active IRS MBI Clearance. Proficiency in Java, Spring Boot, PostgreSQL, and Microservices architecture is essential.

Skills

Java
Spring Boot
Microservices
PostgreSQL
Service Oriented Architecture
Full Stack Development
Agile
API Development
Cloud Environment
Java Design Patterns
Kafka
Technical Documentation

Benefits

Competitive salaries
Performance bonuses
Training and educational reimbursement
Transamerica 401(k)
Cigna healthcare benefits
Paid time off
Paid parental leave
Health insurance
Vision insurance
Dental insurance
Tuition reimbursement

Visa sponsorship

Not detected in the job text

Keywords

Java
Spring Boot
Microservices
PostgreSQL
SOA
Full Stack
Agile
Kafka
Cloud
IRS
MBI Clearance
GFE
API
Scrum
Enterprise Applications
Legacy Modernization
Technical Documentation
Debugging
Integration Testing

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