Staff Software Engineer

At FourKites we have the opportunity to tackle complex challenges with real-world impacts. Whether it's medical supplies from Cardinal Health or groceries for Walmart, the FourKites platform helps customers operate global supply chains that are efficient, agile and sustainable. Join a team of curious problem solvers that celebrates differences, leads with empathy and values inclusivity. As a Staff Software Engineer, you will be a technical leader shaping the future of logistics technology. You'll architect and build production-grade backend services using Java and Spring Boot, working closely with our US team and Fortune 500 clients to transform the global supply chain industry. This role demands excellence in system design, deep Java expertise, and the ability to leverage modern tools including AI to accelerate product development. What You'll be doing: Design and implement low-latency REST and GraphQL APIs using Spring Boot, handling millions of requests daily with sub-100ms response times Architect and build production-grade microservices with Spring Cloud — including service discovery, distributed config, circuit breakers, and API gateway integration Build high-performance export and reporting services supporting large-scale data extraction for enterprise customers using Spring Batch and async processing patterns Design resilient systems leveraging Spring's resilience patterns, rate limiting, and solve multi-tenancy challenges including "noisy neighbor" problems Lead technical design reviews, establish backend engineering best practices, and mentor engineers across the team on Java and Spring Boot patterns Collaborate closely with our US-based product and engineering teams to translate complex supply chain requirements into elegant, maintainable backend solutions About the Team The Core Platform team is responsible for the foundational services that power FourKites’ entire product suite. Our team values versatile engineers who can roll up their sleeves and tackle any technical challenge — whether it’s optimizing an API endpoint, scaling a Spring Boot service, or architecting a new microservice. We work on diverse problems that require both depth and breadth, serving enterprise customers with strict performance and reliability requirements. Who you are: 10+ years of software engineering experience building distributed systems at scale Deep expertise in Java and Spring Boot (Spring MVC, Spring Cloud, Spring Security, Spring Data JPA, Spring Batch) Strong proficiency in microservices architecture and RESTful / GraphQL API design Hands-on experience with JVM performance tuning, heap analysis, and throughput optimisation Experience with messaging and event-driven systems — Kafka or Kinesis preferred Strong programming skills in Java; Python is a plus. Ruby is a bonus Deep understanding of distributed systems, eventual consistency, and system design principles Experience with cloud platforms (AWS / Azure / GCP) and container orchestration (Kubernetes, ECS) Track record of optimising performance across complex, high-traffic backend systems Proven ability to context-switch between technical domains and drive end-to-end delivery Strong debugging skills and a systematic, first-principles approach to problem-solving Preferred Qualifications Experience in supply chain, logistics, or B2B SaaS platforms Background building export / reporting services at scale with Spring Batch or similar frameworks Experience with webhook and notification delivery systems Knowledge of event-driven architectures and CQRS patterns using Spring ecosystem tooling Familiarity with multi-tenant platform design requirements Experience with master data management in distributed systems Contributions to open-source Spring or Java ecosystem projects We know that job postings can be intimidating, and research shows that while men apply to jobs when they meet an average of 60% of the criteria, women and other marginalized folks tend ... (truncated, view full listing at source)