> Markdown version of [/jobs/ext/2198085-senior-full-stack-engineer-agent-experience-platform](https://www.wearedevelopers.com/jobs/ext/2198085-senior-full-stack-engineer-agent-experience-platform). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Full Stack Engineer, Agent Experience Platform - **Company:** MAPFRE - **Location:** Webster, MA, United States - **Experience:** Expert - **Salary:** $120,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Amazon Web Services, Amazon Cloudfront, Amazon S3, Application Performance Management, User Authentication, Automation of Tests, Cloud Engineering, Software Quality, Code Review, Continuous Delivery, Continuous Integration, DevOps, Amazon DynamoDB, Design of User Interfaces, Object-Oriented Software Development, Software Architecture, Web Application Security, Software Engineering, Systems Integration, Strategies of Testing, Software Vulnerability Management, Web Applications, Web Platforms, Enterprise Software Applications, Spring Cloud, ReactJS, Software Security, Backend, Amazon Relational Database Service, Containerization, AngularJS, Information Technology, Functional Programming, Api Design, Api Gateway, Restful APIs, Docker, Microservices - **Published:** August 23, 2026 - **Apply:** https://www.careerjet.com/job/us9c585c7440b91a7ccce4c94655d8bb54/eaa ## About the Role * Bachelor's Degree in Computer Science, Information Technology, Software Engineering, or a related field. * 5-7 years of professional software development experience with strong proficiency in Java and modern software engineering principles. * Experience developing highly available, secure, customer-facing web applications with a focus on usability, accessibility, performance, and scalability. * Experience designing and developing secure customer-facing web applications, including authentication, authorization, API security, and data protection practices. * Experience designing, deploying, and supporting cloud-native applications on AWS using services such as ECS, EKS, Lambda, API Gateway, CloudFront, S3, RDS, DynamoDB, or similar AWS services. * Experience designing and consuming REST APIs and integrating web applications with enterprise backend platforms. * Experience working on complex technical projects and demonstrated success leading and mentoring junior and mid-level engineers. * Strong understanding of software architecture, object-oriented design, cloud-native architectures, microservices, API development, CI/CD practices, observability, testing methodologies, and Agile development. * Excellent problem-solving, communication, and collaboration skills. Preferred * Experience developing modern web user interfaces using Angular or React. * Experience with containerization technologies such as Docker and Kubernetes. * Experience with DevOps practices, automated testing, and infrastructure-as-code. ## Description Are you passionate about building modern, scalable software solutions that make a real impact? As an Engineer III, you will play a key role in designing, developing, testing, and maintaining enterprise applications while helping shape the technical direction of our products. You will be part of a collaborative, cross-functional team that includes software engineers, architects, product managers, and business stakeholders, working together to deliver high-quality solutions for our customers. In this role, you'll have significant autonomy and ownership of your work, leveraging customer feedback, analytics, and technical expertise to drive innovation and continuous improvement. You'll contribute across the full software development lifecycle and help build cloud-native web platforms and digital experiences that serve external agents and customers. Responsibilities * Lead and mentor junior and mid-level engineers by providing technical guidance, fostering a culture of continuous learning, and promoting knowledge sharing across development teams. * Design, develop, and implement secure web applications by applying secure coding practices, authentication and authorization standards, vulnerability remediation, and security-by-design principles. * Partner with security teams to identify risks, address vulnerabilities, and ensure compliance with enterprise security standards. * Design and deliver intuitive, accessible, and responsive digital experiences for external agents and customers. * Design and implement RESTful APIs and Java-based integrations that connect customer-facing applications with enterprise backend systems and services. * Collaborate effectively with engineers, architects, product managers, and business stakeholders to deliver innovative solutions and ensure alignment with strategic objectives. * Create clear, concise, and comprehensive technical designs and specifications for complex software systems. * Evaluate and recommend new technologies, tools, and frameworks, considering project requirements, scalability, security, and long-term technical vision. * Stay current with emerging technologies, industry trends, and engineering best practices, actively participating in knowledge-sharing initiatives. * Ensure software quality through testing, defect resolution, automation, and quality control practices that meet performance, reliability, and security standards. * Participate in code reviews, architectural discussions, and Agile ceremonies to support continuous delivery and operational excellence. * Support application performance monitoring, troubleshooting, and optimization to ensure reliable customer experiences. ## Related Videos - [Watch Tests Go Brrrr! : Getting Started with Cypress in ReactJS](https://www.wearedevelopers.com/videos/282-watch-tests-go-brrrr-getting-started-with-cypress-in-reactjs) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Next Level Enterprise Architecture: Modular, Flexible, Scalable, Multichannel and AI-Ready?](https://www.wearedevelopers.com/videos/1017-next-level-enterprise-architecture-modular-flexible-scalable-multichannel-and-ai-ready) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)