Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

senior software developer.

Randstad

Do you have 10+ years of experience as a designer and developer in the large-scale multi-client web applications? Do you have 10+ year of hands-on working experience of Java development with Oracle or SQL database? If so, this would be a great opportunity for you!

Our client is looking for a Senior Software Developer for a 7 month contract in Toronto.

This is an onsite role.

Rate: $554.83 - $590.41

Advantages
• Earn a competitive rate within the industry.

• Location: Up to 5 days onsite .

• Potential for extension.

Responsibilities
• Required to translate technical systems specifications into working, tested applications.

This includes:

developing detailed programming specifications
writing and/or generating code o compiling data-driven programs, maintaining, and conducting unit tests.

•Resolves and troubleshoots technical problems which arise during the use and operation of software packages, including technical assistance in implementation, conversion and migrations.

Qualifications
Must Have:

• 10+ years of experience as a designer and developer in the large-scale multi-client web applications


• 10+ year of hands-on working experience of Java development with Oracle or SQL database

• 5+ years of hands-on experience of RestAPI, RESTful WebServices

• Knowledge of security gateways and protocols (JWT, Oauth2.0, SSL Certificates)

Nice to have:

• OPS Development standard/Process.

Summary
If you are interested in the Senior Software Developer position in Toronto, please apply online at Qualified candidates will be contacted.

Randstad Canada is committed to fostering a workforce reflective of all peoples of Canada. As a result, we are committed to developing and implementing strategies to increase the equity, diversity and inclusion within the workplace by examining our internal policies, practices, and systems throughout the entire lifecycle of our workforce, including its recruitment, retention and advancement for all employees. In addition to our deep commitment to respecting human rights, we are dedicated to positive actions to affect change to ensure everyone has full participation in the workforce free from any barriers, systemic or otherwise, especially equity-seeking groups who are usually underrepresented in Canada's workforce, including those who identify as women or non-binary/gender non-conforming; Indigenous or Aboriginal Peoples; persons with disabilities (visible or invisible) and; members of visible minorities, racialized groups and the LGBTQ2+ community.

Randstad Canada is committed to creating and maintaining an inclusive and accessible workplace for all its candidates and employees by supporting their accessibility and accommodation needs throughout the employment lifecycle. We ask that all job applications please identify any accommodation requirements by sending an email to View email address on randstad.com to ensure their ability to fully participate in the interview process.

This posting is for existing and upcoming vacancies. show more
Vacancy posted more than 2 months ago
Similar jobs that could be interesting for youBased on the senior software developer. in Toronto, ON vacancy
  • $44 - $48 per hour

     ...Job Description: Specialist II, IC Developer Role Overview We are seeking an experienced Specialist II, IC Developer to join a fast...  ...and Operations team. In this role, you will drive the end-to-end software development lifecycle, transforming business requirements into high... 
    Senior
    For contractors
    Work at office
    Monday to friday
    Afternoon shift

    Swoon

    Toronto, ON
    2 days ago
  • We are seeking a highly accomplished Senior Software Developer to drive the technical design, advanced programming, and full-lifecycle deployment of high-scale, distributed application environments. In this role, you will take hands-on technical ownership of translating complex... 
    Senior
    Long term contract
    Contract work

    Randstad

    Toronto, ON
    2 days ago
  • $160k - $180k per year

     ...operate, where reliability, context, and thoughtful decision-making matter as much as technical execution. We’re hiring a Senior Software Developer to join the One45 team. You’ll join a product with more than twenty years of production history: stable, widely adopted,... 
    Senior
    Long term contract
    Remote work
    Work from home
    Shift work

    Acuity Insights

    Toronto, ON
    4 days ago
  • Minimum 5+ years of hands-on experience with ServiceNow Discovery and MID Server configuration . · Minimum 5+ years Strong expertise in custom probes, sensors, and patterns for on-prem and cloud discovery. · Minimum 5+ years Proven experience integrating ServiceNow with...
    Senior

    ThoughtStorm

    Toronto, ON
    2 days ago
  • $58 - $60 per hour

     ...Job Title: Quadient Senior Developer Location:Toronto, ON Work Arrangement: Hybrid (2 days WFO) Employment Type: Contract Duration: 06-12 Months Domain: BFSI Pay Rate: CAD 58-60/hour Incorporated Application Deadline: June 30th, 2026 SKILLS REQUIRED... 
    Senior
    Contract work

    Pacer Group

    Toronto, ON
    8 days ago
  • We are seeking a highly accomplished Senior Software Developer to drive the full-lifecycle design, development, and system integration of enterprise-scale permitting platforms and digital service systems. In this role, you will take hands-on technical ownership of translating... 
    Senior
    Contract work
    Immediate start

    Randstad

    Toronto, ON
    6 days ago
  • We are seeking a highly accomplished and technical Senior Software Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a leadership capacity within the development stream, specializing in the enhancement, customization, and... 
    Senior
    Long term contract
    Contract work

    Randstad

    Toronto, ON
    16 days ago
  • We are seeking a highly accomplished and multi-faceted Senior Software Developer for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a leadership capacity within the development stream, specializing in the design, engineering, and maintenance... 
    Senior
    Contract work
    Work at office

    Randstad

    Toronto, ON
    16 days ago
  •  ...Senior Project Manager – Data & Enterprise Software Location: Toronto, ON (Hybrid) | Type: Permanent | Full-Time We are looking for an experienced Senior...  ..., and outcomes are understood across the board. Develop and maintain robust project plans, status reports,... 
    Senior
    Permanent employment
    Full time
    Internship

    Propel

    Toronto, ON
    16 hours ago
  •  ...reliable, auditable billing platform. You'll be one of the first developers on this team, owning the systems that power every revenue-...  ...systems Mentor other developers and deeply review code Improve software development standards, tooling and processes & bring best... 
    Senior
    Long term contract
    Contract work
    Immediate start

    MaintainX

    Toronto, ON
    18 hours ago
  •  ...Role: Senior iOS Developer / Lead Location: Toronto, ON (Hybrid – 2 days onsite) Assignment Length: 12 months Experience Requir ed8–10 years of overall IT experien ce6–8 years of dedicated iOS development experien ce Education Requireme ntsBachelor’... 
    Senior

    Q1 Technologies, Inc.

    Toronto, ON
    16 hours ago
  • $166k - $195k per year

     ...services. This group focuses on reliability, scalability, and developer productivity by delivering platforms, tooling, and compute systems...  ...support engineering and leadership decision-making. As a Senior Software Developer , you will lead the design and delivery of... 
    Senior
    Work at office
    Flexible hours
    Shift work
    3 days per week

    Robinhood

    Toronto, ON
    18 hours ago
  • $88.54 - $106.25 per hour

     ...RQ11154 - Software Developer - Senior 1-year contract (254 business days) - possible extension ONSITE 5 days - 222 Jarvis St NOTE:  Excellent verbal and written communication skills. Must Have: ~10+ years of development experience in high-scale,... 
    Senior
    Contract work

    Source Code

    Toronto, ON
    2 days ago
  •  ...within the team towards the successful delivery of projects. Design software solutions by interacting with portfolio managers, traders, operations staff and peers to understand requirements. Develop solutions that are in line with the client's technology biases,... 
    Senior
    Long term contract
    For subcontractor

    Luxoft

    Toronto, ON
    21 days ago
  • $65 - $68 per hour

     ...Job Title: Senior iOS Developer / Lead Location: Toronto, ON Work Arrangement: Hybrid-2 Days onsite Employment Type: Contract Duration: 12 Months Domain: BFIS Pay Rate: CAD 65-68/hour Incorporated Application Deadline: June 30th, 2026 SKILLS REQUIRED... 
    Senior
    Contract work

    Pacer Group

    Toronto, ON
    16 hours ago
  •  ...Responsibilities: Design, develop, test, and maintain high‑quality Java applications across the full software development lifecycle (SDLC). Build and enhance applications using Java, Spring Boot, JPA, EJB, Angular, NodeJS, and modern PDF-generation tools such as iText... 
    Senior
    Contract work
    Internship
    Work at office

    Maarut

    Toronto, ON
    6 days ago
  •   MaintainX is the world leading mobile-first workflow management platform for industrial and frontline workers. We are a modern IoT enabled cloud based tool for maintenance, safety, and operations on equipment and facilities. MaintainX powers operational excellence for 12...
    Senior
    Long term contract

    MaintainX

    Toronto, ON
    18 hours ago
  • We are seeking a highly skilled Senior Software Developer specializing in Microsoft CRM/ERP architectures to support a major enterprise Modernization program. In this role, you will focus on delivering post-Minimum Viable Product (MVP) solution enhancements and evolution. Working... 
    Senior
    Contract work

    Randstad

    Toronto, ON
    25 days ago
  • We are seeking a highly accomplished Senior Software Developer to lead the translation of complex technical systems specifications into high-performing, deployable applications. In this role, you will write and optimize code across multi-tier web platforms and modern cloud... 
    Senior
    Contract work

    Randstad

    Toronto, ON
    24 days ago
  •  ...Backend team within the Platform Engineering division. We're a group with an unusual mandate inside MaintainX: we treat our internal developer platform as a real product, with internal customers (150+ developers), adoption metrics, and a roadmap shaped by what product teams... 
    Senior
    Local area
    Immediate start

    MaintainX

    Toronto, ON
    18 hours ago
  • We are seeking a highly skilled Senior Software Developer with extensive experience in the Microsoft ecosystem to support the development, modernization, and integration of a cloud-based digital information system. In this role, you will design web-based B2B and B2C applications... 
    Senior

    Randstad

    Toronto, ON
    a month ago
  • $166k - $195k per year

     ...Expectations are high, and so are the rewards. The Software Platform team accelerates developer velocity and increases system reliability by building the...  ...to support our next phase of technical growth! As a Senior Software Develope r, you will focus heavily on... 
    Senior
    Work at office
    Flexible hours
    Shift work
    3 days per week

    Robinhood

    Toronto, ON
    6 days ago
  • We are seeking a highly accomplished and technical Senior Software Developer - Front End for an enterprise-level contract opportunity based in Toronto. In this role, you will take on a premier engineering capacity within the front-end development stream, specializing in the... 
    Senior
    Long term contract
    Contract work
    Interim role

    Randstad

    Toronto, ON
    12 days ago
  • We are seeking an expert Senior Software Developer - ETL to lead critical data migration and engineering tracks for the Office of the Public Guardian and Trustee (OPGT) Modernization program. In this role, you will be responsible for migrating historical data from legacy systems... 
    Senior
    Long term contract
    Contract work
    Work at office

    Randstad

    Toronto, ON
    25 days ago
  • We are seeking a highly accomplished Senior Back End Software Developer to lead the technical design, server-side implementation, and database integration of enterprise-scale applications. In this role, you will take hands-on technical ownership of the data interchange between... 
    Senior
    Contract work

    Randstad

    Toronto, ON
    10 days ago
  • We are seeking a highly accomplished and multi-faceted Senior Software Developer - Full Stack for an enterprise-level hybrid contract opportunity based in Toronto. In this role, you will take on a leadership capacity within the development stream, specializing in both maintaining... 
    Senior
    Long term contract
    Contract work
    Internship
    Work at office
    Remote work
    Shift work
    3 days per week

    Randstad

    Toronto, ON
    18 days ago
  • We are seeking a highly accomplished Senior Software Developer - Front End to lead the modern web architecture, accessibility auditing, and secure authentication engineering for a mission-critical central Special Events application. In this role, you will take absolute ownership... 
    Senior
    Contract work
    Remote work

    Randstad

    Toronto, ON
    20 days ago
  • We are seeking a highly accomplished Senior Full Stack Software Developer to drive the technical design, full-stack implementation, and optimization of enterprise-level web applications. In this role, you will lead the transformation of complex technical system specifications... 
    Senior
    Long term contract
    Contract work

    Randstad

    Toronto, ON
    19 days ago
  •  ...focus on consistency, scalability, and great developer experience. Want to see what it currently...  ...About You: ~4+ years of professional software engineering experience building backend systems, APIs, or platform products (seniority flexible based on impact and scope). ~ Strong... 
    Senior
    Contract work
    Work at office
    Flexible hours

    MaintainX

    Toronto, ON
    18 hours ago
  •  ...You’ll make things happen–fast. What You'll do ~ Design & Develop: Build and own services across our 20+ microservice Backstage platform...  ...Advanced proficiency in TypeScript and Node.js with strong software architecture fundamentals Hands-on experience designing and... 
    Senior
    Worldwide
    Night shift

    ZoomInfo Technologies LLC

    Toronto, ON
    18 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to senior software developer.. Be the first to apply!