columbus junior java developer Jobs – 91 Openings This Week

Senior Linux Software Engineer (Networking & Systems) (10138)
Extreme Networks —Thornhill, ON
- $100,000–$120,000 a year
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Java
- Employee stock purchase plan
- Disability insurance
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Senior Principal Backend Engineer, Crypto and Alternative Trading Products
Questrade Financial Group —Toronto, ON
- $160,000–$200,000 a year
- Full-time
- Hybrid work
- Azure
- Computer Science
- Engineering
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11h
Manager, Application Development
Tarion —Toronto, ON
- $99,150–$148,690 a year
- Full-time
- Hybrid work
- Salesforce
- DevOps
- System design
- Employee assistance program
- Flexible schedule
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Senior DevOps Platform Architect
Veriday Inc. —Toronto, ON
- $80–$85 an hour
- Hybrid work
- Azure
- DevOps
- Java
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14d
AWS Lambda (Java) Developer
Play Hockey —Canada
- $70,000–$85,000 a year
- Full-time
- Remote
- Computer Science
- DevOps
- English
- Disability insurance
- Dental care
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1d
Apache Camel Developer - Contract 6 months - Canada (Remote)
CorGTA —Canada
- Up to $100 an hour
- Contract
- Remote
- Java

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Automation & Controls Engineer/Technologist / Systems Integrator
Canadian Industrial Services —Cobourg, ON
Bachelor’s or Master’s degree, or a 3-year technologist diploma in Electrical Engineering, Mechanical Engineering, Automation Engineering, or related field.
$60,000–$80,000 a year
Quick apply
Senior Software Engineer (Node.js, React)
Frontier Dental Supply —Markham, ON
Claude Code and Cursor are used daily for development - code generation, refactoring, debugging, and architectural reasoning. You think before you build.
$90,000–$110,000 a year

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Java Developer
GFT Technologies SE —Toronto, ON
We design advanced data and AI transformation solutions, modernize technology architectures and develop next-generation core systems for industry leaders in…
$90,000–$120,000 a year
11d
Senior Software Engineer
Tactable —Toronto, ON
Career coaching and personalized development plans. Regular social events, team outings, and wellness activities. Software development: 8 years (required).
$140,000–$190,000 a year
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Senior Linux Software Engineer (Networking & Systems) (10138)

Extreme Networks
Thornhill, ON

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Job details

Full-time

Benefits

RRSP match
Employee stock purchase plan
Disability insurance
Dental care
Tuition reimbursement
Paid time off
Employee assistance program
Vision care
Flexible schedule

Skills

Authentication
Computer Science
Engineering
NoSQL
Java
Master's degree
SQL
C++
C
Bachelor's
Redis
RabbitMQ
REST
Scripting
Computer networking
APIs
Linux
Kafka
Electrical Engineering
Multithreading
Communication skills
Python
Debugging

Full job description

Over 50,000 customers globally trust our end-to-end, cloud-driven networking solutions. They rely on our top-rated services and support to accelerate their digital transformation efforts and deliver unprecedented progress.

Become part of something big with Extreme! As a global networking leader, learn why there is no better time to join the Extreme team.

Position details

Title of position: Senior Linux Software Engineer (Networking & Systems)

Position type: Full time

Location: Thornhill, Toronto, Canada

Position reports to: Senior Manager of Development Engineering

Application deadline: Applications are being accepted on a rolling basis and this posting will remain open until filled.

Work authorization: Applicants must have legal authorization to work in the country where the role will be performed.

Key responsibilities

Design, develop, and maintain robust Linux-based software in alignment with engineering best practices.
Analyse, debug, and optimize code to ensure performance, scalability, and reliability.
Develop automation to streamline build, integration, and testing processes.
Prepare and maintain technical documentation, including design specifications and APIs.
Collaborate effectively with software, QA, and hardware teams to deliver high-quality solutions.

Required Qualifications

3–6 years of software engineering experience, primarily in Linux backend development.
Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, or a related field.
Strong proficiency in C/C++, Java, Python or system scripting
Strong understanding of L2/L3 networking and protocols, experience with Linux system application and networking development
Solid experience in multi-threading, inter-process communication (IPC), and memory management.
Hands-on experience with Linux debugging and performance profiling tools.
Familiarity with open-source development practices.
Excellent communication skills and the ability to work independently and collaboratively.

Additional Preferred Qualifications

Experience with RESTful API development and integration (yaml, Swagger, Postman)
Messaging/streaming subsystems, like RabbitMQ and Apache Kafka
SQL and NoSQL database design and administration, performance tuning, query optimization. Redis as in-memory caching and real-time messaging tool
Knowledge of client/server authentication and certificate-based security mechanisms
Familiarity with AI-driven development tools to support code implementation and review, test creation, and workflow automation

Equal Employment Opportunity

Extreme Networks, Inc. is an Equal Opportunity Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. We are committed to taking affirmative action to employ and advance in employment qualified protected veterans, including disabled veterans, recently separated veterans, active-duty wartime or campaign badge veterans, and Armed Forces service medal veterans.

Extreme Networks also strives to prevent other, subtler forms of inappropriate behavior (for example, stereotyping) from ever gaining a foothold in our organization. Whether blatant or hidden, barriers to success have no place at Extreme Networks. We encourage people from underrepresented groups to apply.

Fair chance and background checks

Extreme Networks will consider qualified applicants with criminal histories in a manner consistent with the California Fair Chance Act, Los Angeles Fair Chance Initiative for Hiring Ordinance, Los Angeles County Fair Chance Ordinance for Employers, Philadelphia Fair Criminal Record Screening Standards Ordinance, Illinois Human Rights Act, Cook County Human Rights Ordinance, Seattle Fair Chance Employment Ordinance, and the San Francisco Fair Chance Ordinance. An applicant's conviction history will not be considered until after a conditional offer of employment has been made. Following any individualized assessment, applicants will be provided with the opportunity to respond before any adverse action is taken.
Extreme Networks does not seek salary history information from applicants and will not rely on salary history in determining whether to offer employment or in setting compensation.

This role offers a market‑competitive salary with an anticipated base compensation range of 100,000 to 120,000 CAD. Actual compensation will depend on the selected candidate’s experience, qualifications, skills, and work location. The posted range reflects the amount Extreme Networks reasonably and in good faith expects to pay upon hire. This range is determined using objective, gender‑neutral criteria based on skills, experience, responsibility, and working conditions. In addition to base pay, this role is eligible for a performance‑based bonus and the full benefits package described below.

Benefits and total rewards:

Extreme Networks offers a comprehensive benefits package. Specific benefits vary by country and may include:

Medical, dental, and vision insurance
Flexible work schedules and work-from-home opportunities where role permits
Paid time off, including open time off in eligible markets and statutory leave in all markets
Paid holidays in accordance with local practice
Retirement savings programs, including RRSP matching in the Canada
Employee Stock Purchase Program, where eligible
Adoption assistance and fertility treatment support, where eligible
Flexible spending accounts, where eligible
Employee assistance program
Tuition reimbursement, where eligible
Life and disability insurance

Benefits eligibility is based on country of employment, role, and employment status. Complete benefits details will be provided during the interview process and in the formal offer of employment.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

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junior java developer jobs in columbus

Senior Linux Software Engineer (Networking & Systems) (10138)

Senior Principal Backend Engineer, Crypto and Alternative Trading Products

Manager, Application Development

Senior DevOps Platform Architect

AWS Lambda (Java) Developer

Apache Camel Developer - Contract 6 months - Canada (Remote)

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Fair chance and background checks

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