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

Senior Full-stack Software Engineer

Full-time

E2x Is Now Part Of Apply Digital

ABOUT APPLY

 

APPLY is the Agentic Customer Experience (ACx) partner for the world's most ambitious consumer and entertainment brands. We bring together deep domain expertise across Retail, CPG, Sports, and Media with AI-native delivery capability, designing and delivering agentic solutions that turn CX vision into commercial reality. We are the partner of choice for brands like Arc'teryx, NFL, Lululemon, and Kraft Heinz. For more information, visit .

 

LOCATION:  APPLY is hybrid/remote friendly. The preferred candidate should be based in Canada, working in hours that align to ET (Eastern Timezone) or PT (Pacific Timezone).

 

THE ROLE:

RESPONSIBILITIES:


  • Design and implement subscription management features across our full-stack architecture.

  • Build and maintain RESTful APIs using Restify/ Node.js for platform integrations.

  • Develop user-facing subscription management interfaces using React/ Next.js .

  • Create and maintain webhook handlers for real-time subscription event processing.

  • Integrate with third-party platforms and subscription billing services.

  • Manage user entitlements and access control across various platforms.

  • Work across multiple codebases, including two back-end services, a front-end monorepo, and webhook handlers.

  • Debug and resolve subscription and entitlement issues across various platforms (Apple, Google, Roku, etc.).

  • Write clean, testable code with comprehensive unit tests using Jest.

  • Collaborate with staff engineers on system design and architectural improvements.

  • Participate in code reviews and contribute to team best practices.

  • Handle occasional on-call responsibilities for technical support.

  • Work with Firebase Functions for event-driven background processing.

  • Maintain and improve our subscription reconciliation processes.

REQUIREMENTS:


  • 5+ years of experience in Software Engineering

  • Bachelor's degree in computer science, or equivalent.

  • Strong proficiency in TypeScript and Node.js development.

  • Senior-level experience with React.js and Next.js for front-end development.

  • Experience building and consuming RESTful APIs.

  • Familiarity with Firebase/Firestore or similar NoSQL databases.

  • Understanding of subscription management and entitlement systems.

  • Experience with Git, modern development workflows, and CI/CD practices.

  • Strong debugging and problem-solving skills.

  • Ability to work independently on significant features while collaborating with the team.

  • Experience writing unit tests and maintaining code quality.

  • Comfortable working across multiple codebases and contexts.

  • Knowledge of security best practices for handling user data.

 

NICE TO HAVES:


  • Experience with AWS Lambda and serverless architectures.

  • Familiarity with Recurly or similar subscription billing platforms.

  • Experience with subscription platform integrations (Apple/Google IAP, etc.).

  • Knowledge of event-driven architectures and webhook processing.

  • Experience with Docker and containerization.

  • Familiarity with DataDog or similar monitoring tools.

  • Experience with connected TV platforms (Roku, Samsung, Vizio).

  • Background in high-traffic, high-reliability systems.

  • Experience in sports, media, or entertainment industries.

  • Experience in digital consultancies or professional services is an asset.

  • Understanding of entitlement management and access control systems.

WHAT SETS THIS ROLE APART:


  • Work on systems that serve millions of sports fans worldwide.

  • Exposure to diverse platform integrations and technical challenges.

  • Opportunity to work with both established systems and new platform launches.

  • Growth path toward staff engineer role with mentorship from experienced engineers.

  • Impact on critical revenue-generating systems for a major sports league.

  • Collaborative environment with clear code review and quality standards.

LIFE AT APPLY

 

People are at the core of everything we do at APPLY. We provide you with modern tools, systems and approaches, value your time, safety, and health, and strive to build a work community where you can thrive and grow. Here are a few benefits we offer to support you:

 

Agentic Delivery: Our people work in a modern way to deliver client outcomes. Broaden your skills on a range of engagements with international brands that have a global impact.

An inclusive and safe environment: We’re truly committed to building a culture where you are celebrated and everyone feels welcome and safe.

AI & Strategic Upskilling: Accelerate your professional growth with generous training budgets and mentorship, with a specific focus on Agentic AI expertise and the critical human skills required for the future of work.

Generous vacation policy: Work-life balance is key to our team’s success, so we offer flexible personal time off (PTO); allowing ample time away from work to promote overall well-being.

Customizable benefits: Tailor your extended health and dental plan to your needs, priorities, and preferences.

Flexible work arrangements: We work in a variety of ways, from remote, to in-office, to a blend of both.

 

APPLY is a safe, respectful, and inclusive community where differences are celebrated. We are committed to equal opportunity and fostering a workplace where everyone belongs. Learn more in our Diversity, Equity, and Inclusion (DEI) section. For recruitment accommodations, please email [email protected] .

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Vacancy posted 8 hours ago
Similar jobs that could be interesting for youBased on the Senior Full-stack Software Engineer in Toronto, ON vacancy
  • $110k - $270k per year

     ...making a positive impact on its customers, employees, and communities. The Role Our teams are hiring multiple talented Senior Full-Stack Software Engineers to build innovative products in Life Sciences. You’ll work with the latest front-end and back-end technologies as... 
    Senior
    Remote job
    Full time
    Work at office
    Local area
    Work from home

    Veeva Systems

    Toronto, ON
    8 hours ago
  • $100k - $125k per year

    1-800-GOT-JUNK? is seeking a Senior Software Engineer (Full Stack) to join our Product & Technology team in Vancouver or Toronto . You will sit on the Omni Channel Product Team, building commercial customer and field-facing products end to end: not only implementing tickets... 
    Senior
    Full time
    Internship
    Work at office
    Remote work

    O2e Brands

    Toronto, ON
    8 hours ago
  • $130k - $150k per year

     ...We're looking for a Senior Full Stack Software Engineer who is passionate about building high-quality software in an AI-native way. Someone who treats Claude and the latest agentic coding tools as a core part of their craft, not a novelty. In this role, you will own technical... 
    Senior
    Full time
    Casual work

    Altaml

    Toronto, ON
    8 hours ago
  •  ...Position Description: Senior Full Stack S oftware Engineer   Reporting to: Director of Application Engineering     Signal 1 helps health systems accelerate AI adoption with a category defining technology platform. Signal 1’s first product, the AI Management System (AIMS... 
    Senior
    Full time

    Signal 1

    Toronto, ON
    8 hours ago
  •  ...Canadians who are underserved by the traditional financial system.   Position Summary: Haventree is looking for a Senior Software Engineer ( Full Stack ) to join our fast-growing team. In this role, you will design and build end-to-end solutions that power our customer... 
    Senior
    Full time
    Flexible hours

    Haventree Bank

    Toronto, ON
    8 hours ago
  •  ...Basetwo provides manufacturing engineers with a low code AI platform that helps them troubleshoot...  ...siloed databases The Role As a Full Stack Engineer, you will be working on one or...  ...value to the users. ~5+ years of software development experience with modern full-... 
    Long term contract
    Full time
    Work from home
    Flexible hours

    Basetwo

    Toronto, ON
    20 days ago
  • $130k - $160k per year

     ...systems that scale. A network agnostic tech stack. Agile, cross-functional teams built on...  ...hear from you. We're looking for a full-stack JS engineer to help us scale and connect millions...  ...these challenges. As a Full-Stack Software Engineer, you will: Work on developing... 
    Full time
    Work from home
    Worldwide
    Flexible hours

    Us Mobile

    Toronto, ON
    8 hours ago
  •  ...largest and fastest growing dealer and OEM software provider in Canada. The platform's suite...  ...AI, Generative AI (GenAI) to enhance engineering productivity, automate repetitive tasks,...  ...re currently looking for an Intermediate Full Stack Software Engineer to join our team,... 
    Full time

    Autotrader.ca

    Toronto, ON
    8 hours ago
  •  ...outcomes. We stay close to our customers — from leadership to engineers — and work together to solve real problems with urgency and...  ...— and we’re just getting started. Role Overview As a Full Stack Software Engineer at Harvey, you’ll play a pivotal role in constructing... 
    Long term contract
    Full time
    Work at office
    Relocation package
    Flexible hours
    3 days per week

    Harvey

    Toronto, ON
    8 hours ago
  •  ...leader in providing innovative, practical solutions driven by engineering excellence. Join our team to work on everything from front-end...  ...within a team-based Agile environment. The way we build software is strongly influenced by the values of Extreme Programming: feedback... 
    Senior
    Full time
    Remote work

    Electric Mind

    Toronto, ON
    8 hours ago
  • $110k per year

     ...About the Role Reporting to the Team Lead, Development, the Senior Full Stack Developer (Developer III) is responsible for instrumenting,...  ..., and L4 and L7 load balancers. ~ BSc. in Computer Science, Software Engineering, or a similar field. ~ Results-driven and can work... 
    Senior
    Long term contract
    Full time
    Temporary work
    Summer work
    Work at office
    Local area
    Remote work
    Flexible hours

    Nelson Education Ltd

    Toronto, ON
    8 hours ago
  • $140k - $160k per year

     ...transformed the way businesses approach e-commerce and online advertising and we’re ready to continue growing.   As a Senior Software Engineer - Full Stack with Perpetua, you will contribute to our core platform built primarily with Python, Django, React, TypeScript, BigQuery... 
    Senior
    Work at office
    Local area
    Immediate start

    Flywheel Digital

    Toronto, ON
    8 hours ago
  •  ...technologies that push the boundaries of design and software development. We promote long-term success...  ...with Product Managers, Designers, and Engineers to translate business requirements into...  ..., scalability, and security across the stack. Participate in agile ceremonies... 
    Senior
    Long term contract
    Full time
    Work at office

    Codal

    Toronto, ON
    8 hours ago
  •  ...We are currently looking for a Senior Full Stack Engineer to join our growing Web Applications team. Reporting to the Engineering Manager, you'll work on complex projects, actively contribute to Conversational AI, back-end and front-end initiatives, and grow along with other... 
    Senior
    Full time
    Immediate start

    Benchsci

    Toronto, ON
    8 hours ago
  • We are seeking a highly experienced Senior Software Developer - Full Stack to lead full-lifecycle software development, application modernization, and system enhancement initiatives. In this role, you will work across both modern and legacy technical stacks—ranging from Java... 
    Senior
    Contract work
    Internship
    Work at office
    Flexible hours

    Randstad

    Toronto, ON
    3 days ago
  •  ...lasting impact on the digital landscape. ROLE OVERVIEW We’re looking for full stack engineers who are not just strong technically, but are actively exploring how AI is changing the way software is built. This is a role for builders — people who experiment, ship side... 
    Full time
    Shift work

    Tribalscale

    Toronto, ON
    8 hours ago
  •  ...Canada Type: US Applicants - Full-Time; Canadian Applicants -...  ...us forward. Across strategy, engineering, design, data, and operations,...  ...edge AI solutions with intuitive software development. We specialize in...  ...engineering. We’re seeking a Senior Full-Stack Engineer to join... 
    Senior
    Full time
    For contractors

    Human Agency

    Toronto, ON
    8 hours ago
  • $90k - $125k per year

     ...management system for our customers so they can spend more time doing what they love. The Role: We’re looking for a Full Stack Software Engineer to join our growing Engineering team! In this role, you will play a key part in building and scaling our payroll platform,... 
    Full time
    Work at office
    Remote work

    Push Operations

    Toronto, ON
    8 hours ago
  •  ...Role You are an experienced software developer, who has worked as...  ...Reporting directly to the Engineering Manager, work together on and...  ...feedback to peers Eligible for Full-Time employment in Canada...  ...defined job levels based on seniority, expertise, scope of responsibility... 
    Senior
    Remote job
    Full time
    Flexible hours

    #Paid

    Toronto, ON
    8 hours ago
  •  ...interview philosophy and how we use AI in our recruiting process here . We are looking for inquisitive, well-rounded Full-stack engineers to join our Core or Monetization Engineering teams. Working closely with product managers, designers, and backend engineers, you... 
    Work at office
    Relocation
    Relocation package

    Pinterest

    Toronto, ON
    8 hours ago
  •  ...We do have a job opening for S \ oftware Developer - Full Stack - Senior \\\\ for our direct client Province of Ontario. The position details...  ...\\ \\\\ Job Details: \\\ \\\\\ \\\\ Job ID: \\\ RQ11224 - Software Developer - Full Stack - Senior \\\\ \\\\ Client: \\\\... 
    Senior
    Full time

    Itprofound Inc.

    Toronto, ON
    8 hours ago
  •  ...outcomes. We stay close to our customers — from leadership to engineers — and work together to solve real problems with urgency and...  ...we’re just getting started. Role Overview As a Staff Full Stack Software Engineer at Harvey, you’ll play a pivotal role in shaping the... 
    Long term contract
    Full time
    Work at office
    Relocation package
    Flexible hours
    3 days per week

    Harvey

    Toronto, ON
    8 hours ago
  •  ...Senior Software Developer - Full Stack -  Hybrid: 3 Days onsite / 2 days remote 222 Jarvis St, Toronto, ON M5B 2B8 Ministry of Public and Business Service Delivery and Procurement Contract, 9 months to start Submission Deadline: 2025-05-29, 12:00 p.m. EST... 
    Senior
    Full time
    Contract work
    Manual labor
    Remote work

    Source Code

    Toronto, ON
    8 hours ago
  • We are seeking an experienced Senior Software Developer - Full Stack to lead the technical design, development, and integration of modern full-stack web applications. In this role, you will build responsive frontend interfaces using ReactJS while engineering robust backend microservices... 
    Senior
    Remplacement
    Contract work
    Flexible hours

    Randstad

    Toronto, ON
    11 days ago
  • We are seeking an experienced Senior Software Developer - Full Stack with deep MERN stack expertise to lead ongoing application enhancements, bug fixes, platform upgrades, and technical maintenance for enterprise web platforms. In this role, you will design and implement responsive... 
    Senior
    Contract work
    Manual labor

    Randstad

    Toronto, ON
    3 days ago
  • We are seeking a highly skilled Senior Full Stack Software Engineer (AI Engineering) to join an innovative technology team developing cutting-edge AI solutions. In this role, you will play a crucial part in building, deploying, and maintaining intelligent software platforms... 
    Senior
    Long term contract

    Randstad

    Toronto, ON
    19 days ago
  •  ...Design, build, and maintain full‑stack components of the digital...  ...code reviews, and uphold high engineering standards across the stack. \\...  ...and services that support the full \ digital credentials lifecycle...  ..."}],"headerName":"RQ10451 \- Software Developer \- Full Stack \- Senior... 
    Senior
    Contract work

    Maarut

    Toronto, ON
    8 hours ago
  •  ...Must Haves: Senior Full Stack software development experience delivering complex healthcare, cloud, integration, or digital health modernization projects.  Extensive Java and Spring Boot microservices development experience.  Experience designing and developing... 
    Senior
    Full time

    Maarut Inc

    Toronto, ON
    8 hours ago
  • $100k - $150k per year

     ...scalable systems that help our games and teams perform at a higher level. About the Role Big Viking Games is hiring a Senior Full Stack Engineer to build AI-enabled products, workflows, tools, and systems that help turn creative direction into production-ready game... 
    Senior
    Long term contract
    Full time
    Internship
    Work at office
    3 days per week

    Big Viking Games

    Toronto, ON
    20 days ago
  •  ...which arise during the use and operation of software packages, including technical assistance...  ...and meet project plan timelines \\ Full Stack Skills: \\ Proficient with both...  ...procedures, and queries. Also, reverse engineering and optimizing queries to fine tune the... 
    Senior
    Contract work

    Maarut

    Toronto, ON
    8 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Full-stack Software Engineer. Be the first to apply!