Senior Engineer - Backend (Java)

What you need to know about the role

As a Staff Backend Engineer, you will play a key role in designing, developing, and enhancing backend web applications and services. You will leverage your expertise in Java technologies to build robust solutions that enable our customers to seamlessly access and manage our various offerings.
We are looking for a 8 + years experienced backend developer with hands-on proficiency in Java, Spring who will collaborate closely with cross-functional teams to deliver impactful results within an established software development lifecycle framework.
You will build our scalable solutions and seamless experiences in partnership with our cross-function teams

Meet our team

Giving Engineering Team is responsible for several of PayPal s flagship products, including, Donate button, Donate API. Consumer giving, PayPal fundraisers, give at checkout, disaster campaigns, Charities, Charity compliance, Charity experience, Partner fundraising, Grants payout and Partner experiences.
Aspiring to serve millions of customers daily, we are aggressively going after opportunities to expand our team and build new engaging experiences, and optimise cost and performance while maintaining top-quality experiences

• You will own the concept, productisation, and delivery of the technical solutions improves productivity, drives operational efficiency and scale to support our business growth
• You will partner closely with our cross-functional teams and will be responsible for building a great experience for our customers.

• Design elegant, scalable solutions and maintain documentation.
• Collaborate closely with other teams to solve complex problems.
• Develop code sufficiently supported by high quality tests
• Review code written by others and provide constructive feedback.
• Deploy and maintain code using PayPal s Dev-ops pipeline
• Participate in triaging and mitigating production issues
• Participate in scrum meetings and provide leadership in improving the execution rhythms.
• Guide and mentor other developers in the team.

• 8+ years hands-on experience
• Excellent problem-solving abilities
• Java, OO-based design and development.
• Design and implementation of micro-services
• Proven track record working with real-world projects, solid understanding of software development/delivery lifecycle
• Development experience with high-traffic backend services
• Direct experience with concepts such as SOA, REST APIs, message-based communication.
• Understand concepts around concurrency and transactions
• Understand distributed systems concepts like SLAs, consistency, data durability, message persistence and idempotency.
• Architecture principles for SOA, Event Driven and Large-Scale Systems
• Strong skills in Server-Side Java, Spring, Spring Batch, Hibernate, REST, Maven and other open-source Java Libraries.
• Experience with Kafka/RabbitMQ (or any message broker) as well hands-on with containerisation (Docker) is a plus
• Good grasp of Data structures Algorithm concepts.
• Database design, programming, tuning and query optimisation.
• Test methodologies and testing tools, e.g., TestNG, JUnit.
• Demonstrated ability to solve complex problems.
• Experience in software configuration management and streaming strategies for large parallel development teams.
• Ability to collaborate effectively with remote teams across time zones is essential.
• Strong verbal and writing skills; ability to thoroughly understand product specifications, and ability to produce clear, concise documentation.
• Understanding of processes and standards from compliance standpoint.
• Project planning ability, experience in managing small development teams.
• Experience with GitHub, Jira
• Comfortable with Agile and Scrum

• Experience with Test Driven Development (TDD)
• Experience with DevOps tools and practices including CI/CD, and Observability (e.g. Splunk, SignalFx or similar)