
Senior Backend Software Engineer
WEX
full-time
Posted on:
Location Type: Remote
Location: Washington • United States
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Salary
💰 $121,500 - $145,500 per year
Job Level
About the role
- Design, develop, and maintain robust, scalable, and high-performance object oriented code in our backend services.
- Develop public REST APIs using Java and internal gRPC APIs for inter-service and inter-system communication.
- Craft systems designs, lead design decisions, and drive alignment with other senior engineers.
- Write automated unit tests, integration tests, end-to-end tests, concurrency tests, load/performance tests.
- Analyze existing systems to identify bottlenecks, tech debt, and implement scalability, and stability improvements.
- Implement automation for testing, monitoring, healing, and scaling applications, continuous integration and deployment to reduce time to market.
- Collaborate with cross-functional teams, including product managers, designers, and other engineers, to define and implement new features.
- Conduct code reviews (comment, approve, seek revisions, merge), mentor junior and mid-level engineers, and actively promote engineering best practices.
- Dive deep and troubleshoot complex issues, devise fixes, author root cause analysis documents, and ensure lasting performance and reliability.
- Conduct objective and comparative analyses of competing technologies to advise the team of pros and cons of a technology solution.
- Maintain robust documentation (design docs, run books, change management docs, and readiness plans).
- Provide live-site support for production applications by monitoring systems, ensuring rapid incident resolution, and driving continuous improvement.
- Drive cross-team projects as a single-threaded-owner (STO) or tech lead, and actively unblock other engineers to make progress.
Requirements
- Bachelor’s degree in Computer Science or Software Engineering
- 5-8 years of professional experience in software engineering.
- Strong understanding of data structures and algorithms, object-oriented design, and problem-solving skills.
- Expertise in designing and developing internet-scale services with scalability, availability, security, and reliability design tenets.
- Excellent written and verbal communication skills, and a collaborative and empathetic mindset.
- Proficiency in backend development, with proficiency expertise in Java or C#, and frameworks like SpringBoot, building and optimizing RESTful APIs, ODATA framework, and SQL.
- Master’s degree in computer science or software engineering (preferred)
- 8 years of experience in software engineering (preferred)
- Experience with event-driven architecture and tools like Kafka (preferred)
- Experience working on card payments (preferred)
- Familiarity with cloud-native architecture (containerization using tools such as Docker and Kubernetes) (preferred)
- Awareness of API security and PCI DSS compliance requirements (preferred)
Benefits
- health, dental and vision insurances
- retirement savings plan
- paid time off
- health savings account
- flexible spending accounts
- life insurance
- disability insurance
- tuition reimbursement
- more
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
JavaC#SpringBootREST APIsgRPCSQLdata structuresalgorithmsobject-oriented designevent-driven architecture
Soft Skills
problem-solvingwritten communicationverbal communicationcollaborationempathymentoringtroubleshootinganalytical thinkingleadershipcross-functional collaboration
Certifications
Bachelor’s degree in Computer ScienceBachelor’s degree in Software EngineeringMaster’s degree in Computer ScienceMaster’s degree in Software Engineering