Staff Software Engineer

🔥 0 minutes ago

🇧🇷 Brazil – Remote

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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WEX

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1983

🏥 Healthcare

📦 Logistics

✈️ Travel

💰 $310M Post-IPO Debt on 2020-06

Healthcare • Logistics • Travel

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

• Collaborate with stakeholders to learn about customers’ biggest challenges • Measure, inspect, and drive decisions using data • Design, test, code, and instrument new solutions • Strengthen and drive engineering processes using TDD and BDD, Microservice and Vertical Slice Architectures • Support live applications, promote proactive monitoring, rapid incident response, and continuous improvement • Analyze existing systems and processes to identify bottlenecks and improvement opportunities • Mentor and learn from peers and foster continuous learning • Become a subject matter expert in the functional area and best practices • Assess unique circumstances and apply creative problem-solving techniques • Independently complete work and proactively review work with others • Take ownership, seek ways to contribute, and work with minimal supervision • Partner with Product Managers and customers to understand employer benefits challenges • Design customer-focused solutions and build high-quality software using modern technologies and test-driven development

🎯 Requirements

• Strong problem-solving and analytical skills • Strong hands-on experience in software development, architecture, deployment, and production operations • Strong experience designing and implementing scalable and reliable software solutions using modern backend languages such as C#, Python, Java, or .NET • Strong understanding of data structures and algorithms, object-oriented design, and problem-solving • Proficiency in React • Experience building and consuming REST APIs • Proven track record of writing comprehensive unit tests and test suites • Strong understanding of software security principles and OWASP guidelines • Proficiency with Git version control and CI/CD pipelines • Experience with Agile development methodologies • Track record of delivering complex projects on schedule • Experience writing performant stored procedures and functions • Experience developing Cloud-Native applications and services • Familiarity with LLM concepts and frameworks like LangChain or LlamaIndex; experimented with or built basic RAG-based applications • Desire to learn and implement standards like the Model Context Protocol (MCP) • Interest in autonomous-agent tool use and state management • Basic understanding of vector databases such as Pinecone or Milvus • Experience building AI-native features, including automated LLM-based evaluations within CI/CD pipelines • Hands-on experience with Azure or AWS services such as IAM, S3/Blob, and compute instances • Basic experience with Terraform • Familiarity with GitHub Actions, GitLab CI, or Jenkins • Basic experience with Prometheus, Grafana, CloudWatch, or Azure Monitor • Bachelor's degree in Computer Science, Software Engineering, or a related technical field • Ability to work effectively in an agile environment, participating in sprint planning and daily stand-ups • Proven track record collaborating across autonomous teams • Ability to clearly communicate technical trade-offs • Experience working with geographically distributed teams • C#, Python (if applicable), Docker, modern RDBMS, MongoDB, ASP.NET RESTful API design, event-driven design, React, Kubernetes, Azure/AWS cloud services, agent development frameworks such as LangGraph or CrewAI, Agentic RAG, MCP, and vector databases • Nice-to-have or willingness to quickly learn Helm/ArgoCD, Terraform, GitHub Actions, GraphQL, Azure, and Kafka