Contract: Senior Staff Back-end Engineer
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Description
Upwork is looking for a Senior Staff Back-end Engineer to join our Ads & Monetization Team. This team drives the fastest-growing revenue stream at Upwork. You will be working on Connects, Advertising Products, and Marketplace Design. This role involves backend development, database design, and compliance documentation with a focus on financial technology or ledger systems.
Responsibilities
Collaborate with Engineering, Data Science teams, and Product Managers to create outstanding products for our users.
Partner with product management and engineering colleagues to plan, execute, and ensure timely delivery of high-quality projects.
Understand the larger vision, features, and challenges and translate them into actionable plans.
Work within and across teams to design, build, and deliver robust systems that deliver value for our business and customers.
Handle complex, ambiguous projects with minimal guidance.
Participate in code reviews and design reviews, mentor junior engineers, promote best practices, and write supporting documentation.
Share ownership of our code domain, focusing on improving code quality and reducing technical debt.
Monitor system performance, respond to incidents promptly, and participate in on-call rotations as needed.
Design, develop, test, and maintain scalable and robust server-side logic, databases, and APIs.
Utilize programming languages such as 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 professional experience in software development.
Proven experience in taking complex projects from ideation to launch.
Proficiency in Java and RESTful services.
Expertise in writing well-structured, maintainable unit tests.
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.
Proven ability to work with cross-functional teams to successfully launch products.
Excellent interpersonal skills with extensive experience collaborating with multiple stakeholders.
Practical 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 startups to over 30% of the Fortune 100. Our platform enables companies and talent to work together in new ways and unlock their potential. Last year, over $3.3 billion of work was completed through Upwork by skilled professionals, innovating their careers and finding work they are passionate about. Our Hybrid Workforce Solutions Team supports Upwork’s global business operations.
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