Markham, On Java backend developer Jobs – 111 Openings This Week

Senior Java Integration Developer (REST APIs)
Recrute Action Inc. —Toronto, ON
- $70–$90 an hour
- Temporary
- Hybrid work
- Azure
- Java
- AWS
- Work from home
Quick apply
1d
Senior Backend Engineer, AI Platform
EvenUp —Toronto, ON
- $158,525–$214,475 a year
- Full-time
- Hybrid work
- Java
- C++
- Machine learning
- Designated paid holidays
- Disability insurance
Senior Software Engineer, Product Platform
Block, Inc. —Toronto, ON
- $184,200–$276,400 a year
- Java
- Master's degree
- Bachelor's
- Paid time off
9d
Senior Python Developer
Luxoft —Toronto, ON
- English
- Java
- SQL
Senior Frontend Engineer
Forma.ai —Toronto, ON
- $150,000–$190,000 a year
- Java
- AWS
- JavaScript
- Disability insurance
- Dental care
Quick apply
Senior Fullstack Engineer, Generative UI Platform
Spotify —Toronto, ON
- Java
- APIs
- In-person
- Work from home
- Employee assistance program
Sr. Mobile Engineer, Simplii Technology
CIBC —Toronto, ON
- Full-time
- Computer Science
- Engineering
- Java
13d
Staff Back End Engineer (Data Platform)
Forma.ai —Toronto, ON
- Java
- Databases
- SQL
- Disability insurance
- Dental care
Quick apply
Senior Python Developer
Glint Tech Solutions LLC —Toronto, ON
- Java
- SQL
- AWS
Quick apply
10d
Staff Back End Engineer (Applications)
Forma.ai —Toronto, ON
- Java
- Databases
- SQL
- Disability insurance
- Dental care
Quick apply
Senior Full-Stack Software Engineer - Global AI Platform
Manulife —Toronto, ON
- $113,000–$163,000 a year
- Full-time
- Hybrid work
- Azure
- Java
- AWS
- Disability insurance
- Dental care
Senior Software Engineer | Remote | AI SaaS Software Role
Process Street —Toronto, ON
- Full-time
- Remote
- Java
- AWS
- JavaScript
- Dental care
- Paid time off
Quick apply
Senior React Native Developer
BrightOrder Inc. —Canada
- $90,000–$110,000 a year
- Full-time
- Remote
- Java
- AWS
- Bachelor's
- Dental care
- Vision care
Quick apply
Back-end Microservice Developer – Java & SQL
Procom —Toronto, ON
- $66–$88 an hour
- Immediate opening
- Hybrid work
- Java
- SQL
- JavaScript
Quick apply
3h
Full Stack Developer
Annex IT Solutions —Toronto, ON
- $110,000–$140,000 a year
- Full-time
- Azure
- Computer Science
- DevOps
- Paid time off
- Work from home
Quick apply
4h

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Senior React Native Developer
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Senior Java Integration Developer (REST APIs)

Recrute Action Inc. -
Toronto, ON

Quick apply

Job details

Temporary | Full-time | Fixed term contract
$70–$90 an hour
1 day ago

Qualifications

Pricing
Azure
XML
Java
AWS
REST
APIs
Financial services
JSON
PL/SQL

Full job description

Senior Java Integration Developer (REST APIs)

Shape the future of backend integration solutions within the insurance industry. This hybrid opportunity offers the chance to work on impactful initiatives involving REST APIs, system integrations, data transformation, and scalable backend services. Collaborate on projects that connect modern technologies with established platforms while supporting critical business operations in a fast-paced and innovative environment.

What is in it for you:

Salaried: $70-75 per hour.
Incorporated Business Rate: $85-90 per hour.
6-month contract.
Full-time position: 37.50 hours per week.
Weekday schedule from 9 am to 5 pm.
Hybrid work with 3 days per week in the office.

Responsibilities:

Build and enhance REST APIs for backend services.
Integrate with internal and external APIs using JSON and XML.
Implement data mapping and transformation logic.
Develop error handling, retry, and fallback mechanisms.
Modify and extend existing legacy and batch integrations.
Support testing, bug fixing, and deployment cycles.

What you will need to succeed:

8+ years of experience in backend development using Java and REST APIs.
Experience integrating with internal and external APIs using JSON and XML payloads.
Strong skills in data mapping and transformation.
Experience implementing error handling and fallback logic.
Ability to work with existing systems and modify legacy or batch integrations.
Experience working with financial services or pricing-related systems is considered an asset.
Familiarity with batch processing frameworks, including PL/SQL, schedulers, and ETL tools, is considered an asset.
Understanding of API security concepts, including OAuth, tokens, and headers, is considered an asset.
Exposure to cloud environments such as Azure and AWS is considered an asset.
Experience working with high-volume transaction systems is considered an asset.

Why Recruit Action?

Recruit Action (agency permit: AP-2504511) provides recruitment services through quality support and a personalized approach. As part of the screening process, some applications may be reviewed using artificial intelligence tools. Only candidates who meet the hiring criteria will be contacted.

Job Types: Full-time, Fixed term contract
Contract length: 6 months

Pay: $70.00-$90.00 per hour

Benefits:

Work from home

Application question(s):

Are you comfortable working from the office 3 days per week?

Experience:

backend development using Java and REST APIs: 8 years (required)
external and internal APIs using JSON/XML payloads: 8 years (required)
data mapping and transformation: 5 years (required)
implementing error handling and fallback logic: 5 years (required)
modifying legacy or batch integrations: 5 years (required)
working with financial services or pricing-related systems: 3 years (preferred)
batch processing frameworks (PL/SQL, schedulers, ETL): 3 years (preferred)
API security fundamentals (OAuth, tokens, headers): 2 years (preferred)
exposure to cloud environments (Azure, AWS): 1 year (preferred)
working with high-volume transaction systems: 2 years (preferred)

Work Location: Hybrid remote in Toronto, ON M4W 1E5

Quick apply

Refine Your Search

java backend developer jobs in markham, on

Senior Java Integration Developer (REST APIs)

Senior Backend Engineer, AI Platform

Senior Software Engineer, Product Platform

Senior Python Developer

Senior Frontend Engineer

Senior Fullstack Engineer, Generative UI Platform

Sr. Mobile Engineer, Simplii Technology

Staff Back End Engineer (Data Platform)

Senior Python Developer

Staff Back End Engineer (Applications)

Senior Full-Stack Software Engineer - Global AI Platform

Senior Software Engineer | Remote | AI SaaS Software Role

Senior React Native Developer

Back-end Microservice Developer – Java & SQL

Full Stack Developer

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