Sr. Software Engineer

Salary: $139000 - 215000 per year Requirements: We require a bachelors degree in Computer Science, Electronic & Computer Engineering, or a closely related discipline, plus four years of experience in the role or a similar capacity. We need four years of hands-on experience designing, developing, and maintaining full-stack applications with modern technologies such as Flutter, Dart, Python, PHP or Java, React, JavaScript/TypeScript, Node.js, and object-oriented frameworks like Spring Boot or JPA. We need four years of experience architecting and delivering serverless solutions on AWS, including Lambda, API Gateway, DynamoDB, Step Functions, Glue, CloudFormation, and OpenSearch. We need four years of experience building and supporting CI/CD pipelines with Jenkins and GitLab in line with engineering standards. We need four years of experience creating and running automated tests, including unit, integration, end-to-end, and performance testing, using tools such as Cypress, Selenium, Tosca, JMeter, and mocking frameworks. We need four years of experience applying Agile and Waterfall delivery methods to manage the software development lifecycle. We need four years of experience using Git for version control and implementing Infrastructure as Code with Terraform and Ansible. We need four years of experience monitoring application health and performance with observability tools such as Splunk or Datadog, along with AWS CloudWatch. We need four years of experience working with relational databases such as Oracle and MySQL, and using SQL to support backend and data-driven applications. We need four years of experience developing containerized applications with Docker and orchestrating deployments using Kubernetes and EC2. Responsibilities: We design, build, and maintain software components that support engineering teams in testing and speeding up product delivery. We create and implement test automation and data-mocking frameworks. We improve the dependability and repeatability of automated testing. We take part in code reviews and help identify basic issues or departures from best practices. We collaborate within a cross-functional team in an adaptive environment to meet internal and external deadlines. We keep our technical knowledge current through training and other learning methods. We support telecommuting for this role up to 100% from anywhere in the United States. Technologies: API AWS Lambda OpenSearch Ansible Backend CI/CD CloudWatch Cypress Dart Datadog Docker EC2 Flutter Git GitLab Support JPA Java JavaScript Jenkins JMeter Kubernetes MySQL Oracle PHP Python React SQL Selenium Serverless Splunk Spring Spring Boot Terraform Tosca TypeScript NodeJS Cloud Architect More: We are McKesson, an impact-driven Fortune 10 healthcare company focused on making quality care more accessible and affordable through insights, products, and services. We foster a culture where people can grow, contribute meaningful ideas, and help shape the future of health for patients, communities, and our teams. This Sr. Software Engineer position is based in Irving, Texas, with telecommuting permitted up to 100% from anywhere in the United States. We offer a competitive Total Rewards package that may include base pay, annual bonus, and long-term incentive opportunities, and we are committed to equal employment opportunity and an inclusive workplace. last updated 26 week of 2026