Java Backend Developer

5 days ago

Toronto, Ontario, Canada PEOPLE FORCE CONSULTING INC Full time $120,000 - $140,000 per year

What You'll Do

  • Design, develop, and maintain
    scalable backend systems
    to support our advertising and retail media platform.
  • Build and optimize
    RESTful APIs
    and
    microservices
    that handle
    high-volume, low-latency traffic
    .
  • Collaborate with
    frontend developers, ML engineers, product managers, and analytics teams
    to deliver end-to-end solutions.
  • Create and maintain
    technical documentation
    , including API specifications and system architecture diagrams.
  • Contribute to improving team workflows,
    CI/CD pipelines
    , and overall engineering practices.
  • Implement
    best-in-class security
    , performance monitoring, and observability strategies.
  • Drive
    code quality
    through
    TDD, peer reviews, and static analysis tools
    .
  • Mentor junior developers and contribute to building a strong engineering culture.
  • Stay current on
    industry trends
    and emerging technologies to continuously improve our systems.

What We're Looking For

Technical Expertise

  • 5+ years
    of professional
    Java backend development
    experience with strong proficiency in
    Java 8+
    features.
  • 3+ years
    hands-on experience with
    Spring Boot
    ecosystem, including:
  • Spring Web MVC
    for RESTful API development.
  • Spring Data JPA / Hibernate
    for data persistence.
  • Spring Security
    for authentication and authorization.
  • Spring Boot Actuator
    for monitoring and health checks.
  • Exposure to
    Spring Cloud
    components (Gateway, Config Server, Service Discovery).
  • Proven experience designing and developing
    scalable RESTful APIs
    and
    distributed microservices
    .
  • Hands-on experience with
    Docker
    and
    Kubernetes
    for containerization and orchestration.
  • Proficiency with
    CI/CD pipelines
    using
    GitLab CI, Jenkins
    , or similar.
  • Familiarity with
    cloud platforms
    (
    GCP
    preferred;
    AWS/Azure
    also acceptable).
  • Experience with
    caching
    (e.g., Redis) and
    asynchronous messaging systems
    .
  • Understanding of
    API security best practices
    , including
    OWASP guidelines
    .

Preferred Skills

  • AdTech domain knowledge
    : experience with programmatic advertising, real-time bidding, or high-throughput ad-serving systems.
  • Exposure to
    big data platforms
    like
    BigQuery
    and
    real-time streaming technologies
    .
  • Experience working with
    NoSQL databases
    (e.g., MongoDB, BigTable).
  • Familiarity with
    event-driven architectures
    and
    event sourcing patterns
    .
  • Hands-on experience with
    observability tools
    such as
    Prometheus, Grafana, and ELK stack
    .

Soft Skills & Collaboration

  • Excellent
    problem-solving skills
    and ability to troubleshoot complex production issues.
  • Strong communicator who can
    present technical concepts
    to non-technical stakeholders.
  • Comfortable working in
    Agile/Scrum environments
    with multiple stakeholders.
  • Ability to
    mentor junior developers
    and contribute to a culture of knowledge sharing.
  • Passionate about
    continuous learning
    and staying current with
    industry trends
    .

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