Apply to role >
📍
O Fallon, IL

Software Development Engineer II

None
Financial Services
Software Eng
December 5, 2025

Mastercard

Worldwide payments technology and solutions provider
view website >

Role:

• A hands-on full stack engineer that can code and build high quality secure front end and REST API/backend that is modular, functional, and testable.

• Contribute to all parts of the software’s development including design, development, test, deployment, support, documentation, configuration

• Build performant, scalable and secure web applications.

• Follow given directions and procedures in software delivery tasks (code development, test, deployment)

• Provide guidance and direction on systems and web application architecture and system design.

• Guide and coach less experienced engineers.

• Focus on user-centered design and problem solving

• Participate and drive design, technical and code reviews.

• Implement coding standards and approaches.

• Promote an Agile approach to software development. Insist on a culture of continuous integration and delivery, automation and minimizing blast radius.

• Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives

All About You:

• Successfully designed and developed externally facing web applications utilizing modern single page application frameworks.Good knowledge of Spring, Spring Data JPA, REST and other frameworks

• Full stack developer with ability to write secure code in backend & frontend programming languages (Java, JavaScript, Angular, SQL) and familiar with secure coding standards and vulnerability management

• Possess an understanding of multi-tier web development; including knowledge of server-side technologies and databases.

• Passion for improving code quality using approaches such as unit and end to end testing.

• Understanding of web application optimizations such as progressive web apps, web workers, browser repaints and reflows, performance and memory optimizations, debugging leaks, caching, flame graphs.

• Experience and knowledge of authentication and authorization workflows using concepts like JWT.

• Deep knowledge of continuous integration and delivery and toolsets that provide this ability.

• Understanding of agile principles and methodologies.

• Use and understand Git based source control systems.

• Previous experience implementing and complying with ADA and WCAG requirements.

• Strong analytical and excellent problem-solving skills

Latest jobs

Amazon
Network Engineer I, Just Walk Out Tech
📍
Hyderabad, India
December 14, 2025
view job ->
Amazon
Mechatronics & Robotics Technician
📍
Pflugerville, TX
December 14, 2025
view job ->
Amazon
AWS Finance analyst , AWS Finance
📍
Hyderabad, India
December 14, 2025
view job ->
Amazon
Tax Analyst I, Federal Tax
📍
Hyderabad, India
December 14, 2025
view job ->
Amazon
2026 Engineering Operations Intern, Data Center Engineering Operations
📍
Frankfurt, Germany
December 14, 2025
view job ->
Amazon
Software Development Engineer
📍
San Francisco, CA
December 14, 2025
view job ->
Amazon
Financial Analyst I, FOAA - Payroll
📍
Bengaluru, India
December 14, 2025
view job ->
Amazon
Software Development Engineer Internship - Vaga para mulheres, IES- LATECH
📍
São Paulo, Brazil
December 14, 2025
view job ->
Amazon
Mechatronics & Robotics Tech
📍
Maryville, TN
December 14, 2025
view job ->
Amazon
Equipment Coordinator
📍
Tracy, CA
December 14, 2025
view job ->