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Added 1 month ago
Q-
Montréal [hybrid] C# Electronic Trading Developer
QUANTEAM - North America (RAINBOW PARTNERS Group)
Montreal, QC
- Full-time
We are looking for a C # Electronic trading Developer for one of our clients, an investment bank set in Montreal
Added 1 month ago
CS
Java Software Engineer
Cyber Space Technologies LLC
Montreal, QC
- Full-time
We are seeking an experienced Java Developer with strong expertise in Java, Spring Framework, Microservices, and cloud-native application development. The ideal candidate will have…
Added 1 month ago
Corporate QMS Auditor (SMT Manufacturing)
Celestica International LP
Toronto, ON
…Corporate QMS Auditor acts as the central authority on quality systems, responsible for driving compliance, managing digital quality infrastructure, and elevating the auditing capabilities…
Added 1 month ago
MT
Data Center Silicon Hardware Engineering Intern - Winter 2027
Marvell Technology
Toronto, ON · Ottawa, ON · CA-ON - Ottawa
- Full-time
Learn about advanced digital systems and connectivity technologies while building practical skills through real-world engineering projects under the guidance of senior mentors.
Added 1 month ago
Intermediate Software Development
AppDirect
Montreal, QC
We are looking to hire a skilled and ambitious software developer in Montreal. You are a highly technical, hands-on fullstack developer with a passion for producing maintainable and robust…
Added 1 month ago
Senior Staff Electro-Optic Systems Architect
Lightmatter
Toronto, ON
We are hiring an Electro-Optic Systems Architect. The selected candidate will partner with external facing teams at Lightmatter and internal engineering teams to deliver groundbreaking…
Added 1 month ago
N
Senior UX Designer - 16 Month Contract
Noibu
Remote, Canada
- $140,000 to $160,000 CAD / year
- Full-time
- Remote
Working with one or more engineering squads to shape and mature a fast-evolving product - including designing for supervised AI agents, where the interface question is how a retailer…
Added 1 month ago
EC
HVAC Technical Specialist
EMCO Corporation
Burnaby, BC
- Full-time
Mechanical engineering/ building science backgrounds, and/or hands-on experience
Added 1 month ago
S
Principal Site Reliability Engineer
Saviynt
Vancouver, BC
- $260,000 to $275,000 CAD / year
- Full-time
Influence architecture and engineering culture at a company level
Added 1 month ago
L
Senior Staff Electro-Optic Systems Architect
Lightmatter
Toronto, ON
- Full-time
We are hiring an Electro-Optic Systems Architect. The selected candidate will partner with external facing teams at Lightmatter and internal engineering teams to deliver groundbreaking…
Added 1 month ago
Software Engineer II
Fivetran
Toronto, ON
Fivetran helps organizations automate data movement across the systems, clouds, engines, and tools they rely on. dbt Labs pioneered analytics engineering, helping teams transform data into…
Added 1 month ago
NC
Underground Mechanical Supervisor
Noble Construction
Jansen, SK
- Full-time
…overseeing the daily construction tasks of underground conveyance systems at BHP Jansen, as well as the safe execution of projects at the work…
Added 1 month ago
TC
Aquatic Scientist
Trinity Consultants Canada
ON · Guelph, Ontario
- Full-time
8+ years of relevant work experience, including assessing the effects of inorganic contaminants on aquatic systems, impact processes, sampling design, and interpretation of aquatic…
Added 1 month ago
TC
Aquatic Scientist
Trinity Consultants Canada
Open Bay 8, BC · British Columbia (Open), British Columbia
- Full-time
8+ years of relevant work experience, including assessing the effects of inorganic contaminants on aquatic systems, impact processes, sampling design, and interpretation of aquatic…
Added 1 month ago
NW
Project Engineer-Evolve Recycling
North West Rubber
Brantford, ON
- Full-time
NWR is looking for an Engineering Project Manager to continue its growth and development. Our future Engineering Project Manager will be an integral part of our growth and will lead…
Added 1 month ago
B
Staff/Principal Software Engineer (Strong AI/ML and Java exp)
Bevertec
Toronto, ON
- Contract
Experience 10+ years building production distributed systems
Added 1 month ago
WI
Java Backend Developer
Work in Ottawa
Ottawa, ON
- $105,000 to $120,000 CAD / year
- Full-time
We are excited to partner with Compax to attract top talent for a Java Backend Developer position. This job posting is a new position within our organization.
Added 1 month ago
LD
Software Engineer II
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Reporting directly to the Manager, Software Engineering the lntermediate Software Engineer will be required to operate in both team and solo activities. Key activities will involve…
Added 1 month ago
LD
Systems Engineer II
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Reporting directly to the Manager, Systems Engineering, the Systems Engineer is responsible for the design, development, integration, verification, and validation of complex communications…
Added 1 month ago
LD
Systems Engineer
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Reporting directly to the Manager, Systems Engineering, the Systems Engineer is responsible for the design, development, integration, verification, and validation of complex communications…
Added 1 month ago
N
Staff Engineer - Inference /AI
Nutanix
Vancouver, BC
- $171,000 to $257,000 CAD / year
- Full-time
…platforms, working at the intersection of large-scale distributed systems and machine learning infrastructure. This is an opportunity to solve complex technical challenges, influence the…
Added 1 month ago
TU
Assistant Professor, tenure-track
The University of British Columbia
Vancouver, BC
- Full-time
Advance research at the intersection of engineering, health sciences, clinical medicine, public health, and health systems.
Added 1 month ago
BH
Distribution Engineer
BC Hydro
Burnaby, BC
- Full-time
Supporting regional distribution systems through engineering studies, investigations, and system assessments related to load growth, customer connections, reliability, and safety.
Added 1 month ago
X
Packaging Engineer - Optical Attach Process
Xanadu
Toronto, ON
- Full-time
Scale engineering designs from functional prototype validation to full-scale, automated assembly line production
Added 1 month ago
S
Electrical Designer/Engineer
SearchLabs
Markham, ON
- $80,000 to $100,000 CAD / year
- Full-time
An engineering and design organization is seeking an Electrical Engineer to support building projects across a range of sectors. The successful candidate will join a collaborative technical…

Work in Ottawa

Java Backend Developer

Ottawa, ON, Canada

$105,000 to $120,000 CAD / year · Full-time

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Job details

Pay: $105,000 to $120,000 CAD / year
Job type: Full-time
Experience: Work experience as software developer (3 years minimum)
Posting language: English
Posted: Sep 14, 2026

Original job description

Ottawa’s tech sector is growing, and so are the opportunities! If you’re exploring your next role in tech, Work in Ottawa can help you learn about leading employers and exciting careers in Canada’s capital.

Led by Invest Ottawa, the city’s lead economic development agency, this initiative works alongside tech companies, recruiters and search firms, and community partners to spotlight the incredible innovation happening here and help connect great people with great opportunities.

We are excited to partner with Compax to attract top talent for a Java Backend Developer position. This job posting is a new position within our organization.

About CompaxDigital

Do you love working agile and are an absolute team player? Are you a Java Backend Developer with heart and soul? Would you like to work in an environment where you can contribute, implement your ideas and challenge yourself on a daily basis? If yes, welcome to Compax!

We are an international software company active in the areas of Telco, IoT, Media, and Tolling. We offer our customers tailor-made software solutions so that they can get the best out of their business. We are a hierarchy-less company and work in agile Scrum teams with 5-6 members.

Your Role

Back-end Java developer for ongoing development, customization & modernization of BSS system for existing and new customers
Building high-performance and scalable software architectures in the Java environment and integrate them into partner systems
Active involvement in the entire software lifecycle, from requirements analysis to deployment
Active customer contact in the areas of technical support in pre-sales stage, requirement engineering, refinements and other scrum events

We Wish You Bring To Us

Relevant academic degree (bachelor degree minimum)
Work experience as software developer (3 years minimum)
Knowledge in high-performance and scalable software architecture
Agile mindset and knowledge about agile development methods like Scrum
Reliable, accurate and independent way of working - you keep calm even in hectic times
High initiative to support team members, positive collaboration with others
Fluent written and spoken English skills, French skills will be a plus
Experience in Telecommunication industry would be a big plus

Technical Stack You Should Already Be Familiar With

Java 11 or above, Spring-boot, Maven, Gradle, JPA, PostgreSQL, REST-API, SOAP

This Extra Knowledge Will Be a Plus

Docker, Kubenetes, CI/CD(Jenkins), AWS, Rancher, JSF, Oracle, JIRA, MQ (Kafka, Active MQ, Rabbit MQ)

Tools We Commonly Use At Compax

eclipse/InteliJ, Git, Maven, dbeaver

Work in Ottawa utilizes a secure, closed AI environment for the initial screening of resumes, ensuring your data remains safe while helping us efficiently identify top candidates. We encourage all applicants to apply, even if you do not meet every requirement if you possess relevant skills, enthusiasm, and eagerness to grow, we want to hear from you! To enhance your visibility, consider including relevant keywords in your resume.

If you require any accommodation during the hiring process, please reach out to Recruiting@compax.at.

Work in Ottawa is an initiative of Invest Ottawa, the economic development agency with a mandate of facilitating economic growth and job creation for the city of Ottawa. As a hub for innovation and growth, Ottawa is home to a vibrant tech job market that beckons top talent from around the globe

Ottawa’s leading employers are on the lookout for professionals like you. If you’re ready to elevate your career, our city’s dynamic job market offers a wealth of opportunities. Connect with top companies and find your place among the best in Ottawa’s tech scene.

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More about this job

Responsibilities

Develop, customize, and modernize BSS systems while building high-performance and scalable software architectures. Engage in the full software lifecycle and provide technical support during pre-sales and scrum events.

Requirements

Requires a minimum of a bachelor's degree and at least 3 years of experience as a software developer. Candidates must be proficient in Java 11+ and Spring Boot with an agile mindset.

Skills

Java
Spring Boot
Maven
Gradle
JPA
PostgreSQL
REST-API
SOAP
Docker
Kubernetes
CI/CD
AWS
Kafka
Scrum
Software Architecture
Requirement Engineering

Visa sponsorship

Not detected in the job text

Keywords

Java 11
Spring Boot
Maven
Gradle
JPA
PostgreSQL
REST-API
SOAP
Docker
Kubernetes
Jenkins
AWS
Rancher
JSF
Oracle
JIRA
Kafka
Active MQ
Rabbit MQ
Eclipse
IntelliJ
Git
Dbeaver
BSS
Telecommunications
IoT
Scrum
Agile
Software Architecture
Backend Development

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