Jobs in Canada

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Added 14 hours ago
ZC
Senior Full Stack Developer (Angular & Java)
Ztek Consulting
Montreal, QC
- Full-time
You will be a technically proficient and enthusiastic developer, with a desire to work on back-end application development.
Added 16 hours ago
EI
Delivery Lead
Enercare Inc.
Markham, ON
- Full-time
Experience across a variety of tech stacks (Java, React, Python, JavaScript, C#, etc.).
Added 16 hours ago
D-
Spécialiste de Solutions IA
DELAN - IT Talent Solutions
Montreal, QC
- Full-time
Œuvrer dans un environnement sur Python, Java, C#, Angular et Kubernetes
Added 17 hours ago
C
Senior Software Engineer Technical Remediation & Enablement
Citi
Mississauga, ON
- Full-time
…breaking API changes, and version incompatibilities across Java, Python, Go, .NET, or JavaScript/TypeScript…
Added 18 hours ago
C
Applications Development Sr Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a talented and passionate Developer to join our Operations Workbench team. You will be a key contributor to the development of our new, cutting-edge platform. You will apply…
Added 18 hours ago
C
Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
Work with Modern Technology: Utilize a modern tech stack, including Java, Angular, React, Kubernetes, Docker, and Kafka, to build cutting-edge financial technology solutions.
Added 18 hours ago
C
Apps Dev Intmd Programmer Analyst
Citi
Mississauga, ON
- Full-time
We are seeking a senior Full Stack developer with strong data/event-driven design and implementation skills to implement our next generation Markets Technology.
Added 18 hours ago
M
RQ11528 - Software Developer - API - Senior
Maarut
Toronto, ON
- Contract
Added 19 hours ago
O
Lead UX Developer (React)
OpenText
Waterloo, ON
- Full-time
As an experienced Software Developer, your extensive skills beyond the core set listed above (due to previous roles and other technology) can also be an asset and a differentiator.…
Added 19 hours ago
HS
Senior Software Engineer
Henry Schein Canada
Surrey, BC
- Full-time
Strong experience with Java and modern object-oriented software development
Added 19 hours ago
HS
Senior Software Engineer
Henry Schein
Surrey, BC
- Full-time
Strong experience with Java and modern object-oriented software development
Added 20 hours ago
C
Java Developer - Rates Technology
Citi
Mississauga, ON · Toronto, ON
- Full-time
We are seeking a highly skilled and experienced Application Developer to join our dynamic Rates Technology team. This position is responsible for the development of new and revised…
Added 20 hours ago
Senior Software Engineer
EarnIn
Vancouver, BC
Proficient in at least one modern programming language, such as Kotlin, Java, C#, Go, Python, or TypeScript, and able to work in more than one.
Added 21 hours ago
TI
Senior API Developer
Teckhorizon Inc
Toronto, ON
- Contract
The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal…
Added 21 hours ago
E
Senior Software Engineer
EarnIn
Vancouver, BC
- Full-time
Proficient in at least one modern programming language, such as Kotlin, Java, C#, Go, Python, or TypeScript, and able to work in more than one.
Added 21 hours ago
D
Full Stack Developer (Java/Python + Gen AI)
Digitalogia
Brampton, ON
- Contract
Role Description This is a contract Full Stack Developer (Java/Python + Gen AI) role based in Brampton, ON with a hybrid work arrangement, allowing a mix of on-site and work-from-home days.…
Added 22 hours ago
C
Senior Java Developer - Vice President
Citi
Mississauga, ON
- Full-time
As a Senior Java Developer, you will design and deliver microservices solutions that power global reference data used by clients across Citi. Working within a global engineering…
Added 22 hours ago
TT
Equity Application Support Analyst - Investment Banking
Tech Talent International
Montreal, QC
- $100,000 to $120,000 CAD / year
- Full-time
Develop, test, and maintain applications using Java, Angular, Spring Boot, and related technologies.
Added 22 hours ago
Y
Software Engineer - QC(Local)
Yochana
Montreal, QC
- Contract
We are seeking a Software Engineer with strong Java development experience to support the security, modernization, and reliability of enterprise applications and file transfer platforms.…
Added 23 hours ago
C
AVP Senior Java Developer
Citi
Mississauga, ON
- Full-time
The Senior Java Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in…
Added 1 day ago
E
Java Python Senior Software Developer
Elsevier
Montreal, QC
- Full-time
Possess current and extensive Java/Python Development skills. Beyond Python and Java experience, we work with the following technologies regularly: Confluent Kafka, Kubernetes,…
Added 1 day 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 1 day ago
SI
DevOps Engineer
Spait Infotech
Canada
- Full-time
Use Docker to containerize applications and Kubernetes to orchestrate containers.
Added 1 day ago
C
Application Programmer
Collabera
Mississauga, ON
- $70 to $80 USD / hour
- Full-time
We are seeking an experienced Senior Forward Deployed Engineer (FDE) with strong expertise in Java, Python, backend/full-stack development, and solution architecture. The ideal candidate…
Added 1 day ago
JR
Applied Machine Learning Scientist
Jump! Recruiters
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Strong programming proficiency in Python and R, with familiarity with additional languages such as Java or C++.

Teckhorizon Inc

Senior API Developer

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Nov 29, 2026
Experience: 10+ years of experience designing and developing large-scale enterprise web applications.
Posting language: English
Posted: Oct 30, 2026

Original job description

The client is seeking an experienced Senior Software Developer API to design, develop, implement, and maintain enterprise-level APIs, web applications, and system integrations. The ideal candidate will have extensive experience in Java development, RESTful APIs, enterprise integration platforms, API security, and relational databases, with the ability to deliver scalable, secure, and high-performing solutions in complex enterprise environments. The successful candidate will collaborate with cross-functional teams to develop technical specifications, implement integrations, troubleshoot application issues, and support the full software development lifecycle.

Key Responsibilities

Design, develop, implement, and maintain RESTful APIs and enterprise integration solutions.
Translate technical system specifications into functional, tested applications.
Develop programming specifications, write code, and conduct unit testing.
Design and implement APIs using enterprise API management platforms such as IBM API Connect, MuleSoft, Apigee, and Azure API Management.
Integrate APIs with enterprise applications, databases, CRM systems, ERP platforms, and case management solutions.
Convert web services between SOAP and REST architectures when required.
Develop and maintain API documentation using OpenAPI (Swagger), YAML, and related standards.
Implement API authentication and authorization mechanisms using OAuth 2.0, JWT, API keys, and TLS.
Configure API gateway policies, including rate limiting, throttling, caching, logging, and request/response transformation.

Must-Have Skills

10+ years of experience designing and developing large-scale enterprise web applications.
10+ years of hands-on Java development with Oracle or SQL databases.
5+ years of REST API and RESTful Web Services development.
Strong experience with API security: OAuth 2.0, JWT, SSL/TLS certificates, and API gateways.
Hands-on experience with enterprise API integration and management platforms such as IBM API Connect, IBM ACE, MuleSoft, or Azure APIM.
Strong understanding of microservices, RESTful architecture, and enterprise integration patterns.
Solid experience with Agile methodologies and SDLC.

Nice-to-Have Skills

Experience integrating with SharePoint, Microsoft Dynamics CRM, Siebel, or Curam.
Knowledge of Apigee, Swagger/OpenAPI, and YAML.
Experience with CI/CD pipelines, DevOps, and cloud platforms.
Familiarity with Docker and Kubernetes.
Experience with event-driven architecture, messaging queues, and middleware/ESB.
Previous experience with Ontario Public Service (OPS) projects.
Knowledge of AODA accessibility and OPS cybersecurity standards.

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More about this job

Responsibilities

Design, develop, test, and maintain enterprise REST APIs, web applications, and integrations with business applications, databases, CRM, ERP, and case management systems. Implement API security and gateway policies, maintain API documentation, troubleshoot issues, and contribute across the software development lifecycle.

Requirements

Requires 10+ years of enterprise web application and Java development, including Oracle or SQL databases, and at least five years of REST API development. Candidates should have strong API security and enterprise API management experience, knowledge of microservices and integration patterns, and experience with Agile and the SDLC.

Skills

Java
RESTful APIs
Enterprise Integration
API Security
Oracle
SQL
OAuth 2.0
JWT
SSL/TLS
API Gateways
IBM API Connect
IBM ACE
MuleSoft
Azure API Management
Microservices
Agile

Visa sponsorship

Not detected in the job text

Keywords

Java
RESTful APIs
RESTful Web Services
Enterprise Web Applications
Enterprise Integration
IBM API Connect
IBM ACE
MuleSoft
Apigee
Azure API Management
Oracle
SQL Databases
OAuth 2.0
JWT
SSL/TLS
API Gateways
Microservices
SOAP
OpenAPI
Swagger
YAML
API Documentation
CI/CD
DevOps
Cloud Platforms
Docker
Kubernetes
Event-Driven Architecture
Agile

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