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Temporary Senior Java Developer Jobs in Toronto, ON

Job Title: Sr. Java Fullstack developer Skills: Java, Springboot, API, AWS, Angular Experience: 10+ years Location: Markham,ON (Hybrid) Duration: Fulltime We at Coforge are hiring a Sr. Java ...

Seeking a Senior Application Developer with strong hands-on experience in developing server-side components in Java. Candidate must have experience in developing enterprise application using Java ...

Seeking a Senior Application Developer with strong hands-on experience in developing server-side components in Java. Candidate must have experience in developing enterprise application using Java ...

Senior IT Java Developer

Toronto, ON · On-site +1

CA$105K - CA$129K/yr

Job Summary We are seeking a Senior Java Developer / Architect to design, build, and operate scalable, event-driven, cloud-native applications using Apache Kafka, Spring Boot, and Microsoft Azure.

Java Developer

Toronto, ON · On-site

CA$90K - CA$110K/yr

The overall hiring salary range for this position from Intermediate to Senior level, is $90,000 to ... We do not use AI to screen, assess, or select applicants Job Overview The Java Developer is ...

Java Developer

Toronto, ON · On-site

CA$90K - CA$110K/yr

The overall hiring salary range for this position from Intermediate to Senior level, is $90,000 to ... We do not use AI to screen, assess, or select applicants Job Overview The Java Developer is ...

Java Developer

Toronto, ON

CA$90K - CA$110K/yr

The overall hiring salary range for this position from Intermediate to Senior level, is $90,000 to ... We do not use AI to screen, assess, or select applicants Job Overview The Java Developer is ...

SR Java Front-End Developer Toronto - 4 Days WFO 12 months - contract Proficiency in Angular (preferably Angular 8). Strong knowledge of HTML5, CSS3, and JavaScript TypeScript. Experience with ...

Reporting to the Senior Manager Development, this Sr. Software Developer role is responsible for ... Must have technical working experience with Core Java (Version 8 or higher)/Java, JDK17+

Sr. Core Java Developer

Toronto, ON · Hybrid

CA$120K - CA$140K/yr

Our challenge We are seeking a highly experienced and hands-on Java Developer with a strong background in Core Java, Spring Framework, and low-latency multi-threaded programming to join our dynamic ...

Senior Java Engineer, TD Securities

Toronto, ON · On-site

CA$126K - CA$164K/yr

... performing Java and Data engineer to help us design and implement next-generation calculations ... senior, executive stakeholders. Desired Skillsets: * Java/JEE * Spark/Scala * Big Data/Hadoop/Hive

... engineering mindset to help us grow our risk & valuation applications throughsoftware design anditsimplementation in Java. This is an excellent opportunity to contribute to thestrategic growth and ...

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Temporary Senior Java Developer information

What are Temporary Senior Java Developers?

Temporary Senior Java Developers are experienced software engineers who specialize in Java and are hired on a short-term or contract basis. They are responsible for designing, developing, and maintaining high-quality Java applications, often filling in for permanent staff, supporting projects with tight deadlines, or providing expertise for specific tasks. Their seniority means they typically have several years of experience, strong problem-solving skills, and the ability to mentor junior developers. These professionals help organizations address immediate project needs without committing to a long-term hire.

What are the key skills and qualifications needed to thrive as a Temporary Senior Java Developer, and why are they important?

To thrive as a Temporary Senior Java Developer, you need advanced proficiency in Java programming, strong problem-solving skills, and several years of software development experience, often supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and experience with version control systems like Git are typically required. Excellent communication, adaptability, and leadership are standout soft skills for collaborating with teams and mentoring junior developers. These skills and qualities are essential for quickly delivering high-quality software solutions and integrating effectively within short-term project teams.

What are the typical challenges faced by a Temporary Senior Java Developer when joining an existing project?

As a Temporary Senior Java Developer, one of the main challenges is quickly acclimating to the existing codebase and understanding the team's development workflows. You may need to rapidly get up to speed on project-specific frameworks, architectural decisions, and ongoing priorities while balancing expectations for immediate productivity. Collaborating effectively with a new team, often under tight deadlines, requires strong communication and adaptability. Leveraging your experience to make impactful contributions without disrupting established processes is key to success in this role.

What is the difference between Temporary Senior Java Developer vs Temporary Java Developer?

AspectTemporary Senior Java DeveloperTemporary Java Developer
Required CredentialsBachelor's in Computer Science, Java certifications, 5+ years experienceBachelor's in Computer Science, Java certifications, 1-3 years experience
Work EnvironmentProject-based, team collaboration, client-facingProject-based, team collaboration, client-facing
Employer & Industry UsageIT firms, software companies, consulting agenciesIT firms, software companies, startups
Common Search & ComparisonYesYes

The main difference between a Temporary Senior Java Developer and a Temporary Java Developer lies in experience and expertise. The senior role requires more years of experience, advanced skills, and often leadership capabilities, while the Java Developer position is suitable for those with less experience. Both roles are commonly used in IT and software development industries for project-based work.

Sr. Java Fullstack developer

Sr. Java Fullstack developer

Coforge

Markham, ON • Hybrid

Other

Posted 22 days ago


Coforge rating

8.2

Company rating: 8.2 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

46th of 204 rated it services


Job description

Job Title: Sr. Java Fullstack developer

Skills: Java, Springboot, API, AWS, Angular

Experience: 10+ years

Location: Markham,ON (Hybrid)

Duration: Fulltime


We at Coforge are hiring a Sr. Java Fullstack developer with following skillset :


Backend Development (Primary Focus)

• Build scalable, high-performance RESTful APIs using Java 17/21 and Spring Boot 3.x.

• Architect and implement microservices with Spring Cloud (Gateway, Config, Discovery).

• Implement security using Spring Security 6.x (OAuth2, JWT, RBAC), with structured logging and robust error handling.

• Design and optimize schemas; tune queries with Spring Data JPA/Hibernate 6.x for PostgreSQL/MySQL.

• Develop event-driven patterns with Kafka or AWS SNS/SQS; apply caching (Redis/Caffeine) where needed.

• Write unit/integration tests (JUnit 5, Mockito, Testcontainers) and ensure performance/availability (health checks, DR).

• Drive technical governance, code quality, and adherence to architecture standards; lead root-cause analysis for production incidents.


Frontend Development

• Develop responsive UIs with Angular 17+ or React, TypeScript 5.x, HTML5, SCSS, and Material UI.

• Integrate backend APIs; handle async workflows with RxJS and adopt state management (NgRx or Signals).

• Ensure UI quality with unit tests (Jest/Jasmine) and e2e tests (Cypress).


Cloud & DevOps

• Deploy and operate on AWS (EC2, S3, RDS, Lambda, API Gateway, CloudWatch).

• Implement CI/CD (Jenkins/GitLab CI/AWS CodePipeline) and containerization with Docker.

• Use IaC (CloudFormation/Terraform); monitor and optimize cost/performance.