Contract: Senior Staff Back-end Engineer
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Description
Upwork is seeking a Senior Staff Back-end Engineer to join its Ads & Monetization Team. This team drives Upwork's fastest-growing revenue stream, working on Connects, advertising products, and marketplace design. The role involves significant backend development, database design, and documentation. The engineer will ensure scalability, reliability, and maintainability in projects.
Responsibilities
Collaborate with engineering, data science teams, and product managers to deliver outstanding products.
Plan, execute, and ensure timely delivery of high-quality projects with product management and engineering colleagues.
Translate larger vision, features, and challenges into actionable plans, considering trade-offs to achieve goals.
Design, build, and deliver robust systems that provide value for business and customers.
Handle complex projects with minimal guidance.
Simplify complex projects, potentially leading to strategic pivots from the original product plan.
Participate in code and design reviews, mentor junior engineers, and promote best practices.
Share ownership of the codebase with a focus on improving code quality and reducing technical debt.
Monitor system performance, respond to incidents promptly, and participate in on-call rotations as needed.
Utilize collaborative tools like Gmail, Slack, Confluence, and Jira for communication, documentation, and project management.
Design, develop, test, and maintain scalable and robust server-side logic, databases, and APIs.
Use Java or Kotlin for backend development.
Architect and optimize backend systems for performance, scalability, and reliability.
Implement security measures to protect backend systems and data.
Requirements
8+ years of software development experience.
Proven experience in taking complex projects from ideation to launch.
Proficiency in Java and RESTful services.
Expertise in writing well-structured, maintainable unit tests (e.g., JUnit, Mockito).
Deep knowledge of relational databases and distributed system design.
Proven track record of building and supporting high-load web applications and addressing scalability challenges.
Experience with financial technology or ledger systems.
Strong understanding of software architecture principles and practices.
Excellent interpersonal skills and experience collaborating with multiple stakeholders.
Effective communication skills in English, both written and verbal.
Comfortable working with AWS and cloud-based environments.
Eagerness to learn new technologies and continually develop professional skills.
Experience with implementing virtual currencies, ledger systems, or financial technology.
Experience with high-load applications and databases.
About
Upwork is the world’s work marketplace, serving everyone from one-person startups to over 30% of the Fortune 100. With a powerful, trust-driven platform, Upwork enables companies and talent to work together in new ways that unlock their potential. Last year, more than $3.3 billion of work was done through Upwork by skilled professionals innovating their careers. This opportunity is through Upwork’s Hybrid Workforce Solutions (HWS) Team, a global group supporting Upwork’s business.
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