Haystack
← Back to Jobs
Full time
Technology

Senior Software Engineer

MastercardO Fallon, Missouri🇺🇸United StatesPosted 14 Jun 2026

Why This Role Stands Out

At Mastercard, you'll contribute to a global technology company shaping the future of digital payments, offering significant career growth and the chance to make a real impact. This role is ideal for experienced engineers passionate about building resilient, intelligent decision management systems and who will thrive in a collaborative environment with a competitive salary. Apply to join a team dedicated to empowering economies worldwide.

Quick Overview

Salary
$115k - $184k/yr
Work Type
Hybrid
Schedule
Full Time
Level
Mid Senior

Job Description

Mastercard is seeking a Senior Software Engineer to design, build, and optimize scalable, secure applications in a fast-paced environment. You'll lead end-to-end development of cloud-native services, collaborate with cross-functional teams, and champion engineering best practices. Responsibilities include system design, implementation, code reviews, testing, and production support. You'll mentor engineers, drive continuous improvement in performance and reliability, and explore new tools and frameworks. This role offers the opportunity to work with cutting-edge technologies while contributing to impactful, global software solutions.

Similar jobs