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Posted 3 months ago

RQ10573 - Software Developer API (Snr)

@ Source Code

Toronto, Ontario

$69.52–$104.28/hrFull-time
Apply now
SIGNALS

Overview

Source Code is hiring a senior API software developer on an 11+ month contract (250 business days, with a possible 6-month extension) at its Toronto College Street site. The role builds and integrates REST APIs and microservices on Azure, working with Java, Spring Boot and Spring Integration. Pay is $86.90 to $104.28/hr incorporated, or $69.52 to $83.42/hr T4, at 7.25 billable hours per day.

Pay:

$69.52–$104.28 an hour

Responsibilities:

  • Design, build and consume REST APIs and integration solutions
  • Build scalable microservices on Azure
  • Implement messaging, event-driven and asynchronous solutions
  • Write automated unit and API tests
  • Mentor junior developers and contribute to architecture decisions

Requirements summary:

  • Extensive REST API and Spring Integration experience
  • In-depth microservice architecture and Azure services knowledge
  • Strong SQL with SQL Server or Oracle
  • OAuth2, JWT and SAML integration knowledge
  • Data transformation across JSON, XML and CSV

Tools & skills

Source and dates

Source type not verified · manatal

Employer posting date
2026-07-24
First seen by our source
2026-10-12
Source record updated
2026-10-15

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SenioritySenior
DepartmentSoftware development
Hours per week36.25
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

Source Code

FieldValue
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Job description

RQ10573 - Software Developer - API - Senior

ONSITE - Toronto ( 21 College Street)

11+ months Contract (250 Business Days)+ 6 Months Possible Extension

Must Have:

  • Extensive experience in designing, building, and consuming REST APIs, including API documentation and testing, as well as in-depth knowledge of integration patterns and best practices, with experience designing and building integration solutions using Spring Integration.
  • In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services, including hands-on experience with messaging queuing, event-driven architecture, and asynchronous communication/multi-threading.
  • Strong skills in SQL and experience working with relational databases such as SQL Server or Oracle.
  • Knowledge of integration with OAuth2, JWT, SAML, and related authentication/authorization technologies.

Mandatory Requirements

  • Extensive experience in designing, building, and consuming REST APIs, including API documentation and testing, as well as in-depth knowledge of integration patterns and best practices, with experience designing and building integration solutions using Spring Integration.
  • In-depth knowledge of microservice architecture and experience building scalable, highly available systems using various Azure Services, including hands-on experience with messaging queuing, event-driven architecture, and asynchronous communication/multi-threading.
  • Strong skills in SQL and experience working with relational databases such as SQL Server or Oracle.
  • Knowledge of integration with OAuth2, JWT, SAML, and related authentication/authorization technologies.
  • Knowledge of data transformation techniques, such as mapping and normalization, with experience applying them in a Spring Integration context.
  • Ability to transform data between different formats, including JSON, XML, and CSV.

Nice-to-Have Requirements

  • Knowledge and experience in Criminal Justice Business and System

Desired Skills and Experience

  • Strong proficiency in object-oriented programming and functional programming with modern Java features.
  • Strong expertise in Java and the Java development ecosystem, including experience with Spring Boot.
  • In-depth knowledge of microservice architecture and experience building scalable, highly available systems.
  • Expertise in designing, building, and consuming REST APIs; knowledge of HTTP methods, status codes, and REST best practices
  • In-depth knowledge of integration patterns and best practices, including experience designing and building integration solutions using Spring Integration
  • Experience with enterprise integration technologies, such as JMS, AMQP, or REST, and an understanding of how to use them in a Spring Integration context.
  • Strong knowledge of XML and experience working with XML-based integration solutions, such as XSLT and XPath.
  • Knowledge of data transformation techniques, such as mapping and normalization, and experience using them in a Spring Integration context.
  • Experience with message-oriented middleware and enterprise service buses, such as Azure Service Bus
  • Experience on Event Driven architecture, experience on Azure Event Hub, etc.
  • Strong skills in SQL and experience working with relational databases, such as SQL Server, or Oracle.
  • Understanding of security best practices and experience implementing authentication, authorization, and encryption.
  • Strong experience with writing automated tests, including unit, API test, and a deep understanding of the testing process.
  • Familiarity with Kubernetes, Helm, or other container orchestration tools.
  • Familiarity with Agile software development methodologies, such as Scrum or Kanban, and experience participating in sprint planning and retrospectives.
  • Excellent communication skills, both written and verbal, and the ability to work effectively with both technical and non-technical stakeholders.
  • A passion for staying up-to-date with the latest industry trends and technologies, and a desire to continuously learn and improve your skills.
  • Strong problem-solving and debugging skills, and experience diagnosing and resolving complex issues.
  • A track record of delivering high-quality, robust, and scalable solutions in a fast-paced, deadline-driven environment.
  • Strong analytical and troubleshooting abilities for complex systems.
  • Clear verbal and written communication for technical and non-technical stakeholders..
  • Capable of mentoring junior developers and contributing to architectural decisions.
  • Ability to prioritize tasks, manage deadlines, and handle multiple responsibilities.

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $86.90/hr - $104.28/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $69.52/hr - $83.42/hr T4

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