Staff Software Engineer, AI – Backend

🔥 0 minutes ago

🏄 California, Massachusetts, +2 more states – Remote

🏄 California – Remote 🍂 Massachusetts – Remote ⛷️ Utah – Remote ☕ Washington – Remote

💵 $140.6k - $173.1k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

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WEX

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1983

🚗 Transport

💸 Finance

💳 Fintech

💰 $310M Post-IPO Debt on 2020-06

Transport • Finance • Fintech

WEX is a global commerce platform specializing in various business solutions to address operational challenges. They provide services in managing and mobilizing fleets with their fuel card systems, offering comprehensive fleet management and analytics. Additionally, they focus on business payments solutions that streamline processes across industries, enhancing efficiency and security. WEX is also involved in employee benefits administration, helping organizations effectively manage health and reimbursement accounts. Their diverse range of services caters to numerous sectors, emphasizing innovation, sustainability, and effective solutions for business growth.

📋 Description

• 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 • Ability to leverage AI-enabled development tools such as Cursor AI, Kiro and GitHub Copilot to accelerate feature delivery, automate documentation, and enhance code quality. • Master’s degree in computer science or software engineering is preferred • 10 years of experience in software engineering is preferred • Experience with event-driven architecture and tools like Kafka is preferred • Experience working on card payments is preferred • Familiarity with cloud-native architecture (containerization using tools such as Docker and Kubernetes) is preferred • Awareness of API security and PCI DSS compliance requirements is preferred • Familiarity with mobile development (iOS or Android) is preferred • Experience building AI skills & deploying AI solutions to production environments is preferred • Experience building production-grade AI agents or copilots is preferred • Familiarity with multi-agent systems and distributed AI architectures is preferred • Experience with vector databases (e.g., Pinecone, Weaviate, OpenSearch, Milvus) is preferred • Knowledge of AI evaluation techniques, safety practices, and responsible AI principles is 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