Senior Software Engineer II
$115k - $184kSocket.dev
Our Purpose *Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.* Title And Summary Senior Software Engineer II About The Role As a Senior Data Engineer, you’ll take ownership of building and optimizing data platforms, pipelines, and systems that enable advanced analytics, machine learning, and business insights. You’ll collaborate closely with engineering, product, and analytics teams to deliver reliable, production-ready data solutions. Overview Design, build, and maintain scalable data platforms leveraging Data Engineering best practices Develop and optimize large-scale data pipelines using Distributed Data Processing frameworks Implement and manage automated workflows using Workflow Orchestration to ensure reliable data movement and processing Design and integrate data from multiple sources using Data Integration techniques to create a unified, accessible data layer Build and maintain scalable Data Lakes for storing and analyzing large, diverse datasets Define and implement robust Data Modeling strategies to support analytics and reporting use cases Design and optimize Database Design solutions to ensure performance, scalability, and data integrity Process and transform large datasets using efficient Data Processing techniques to generate actionable insights Ensure strong Data Security practices, including data protection, governance, and compliance Lead system design discussions and contribute to architectural decisions Own full SDLC delivery including requirements, design, development, testing, and deployment Troubleshoot and resolve production issues through structured root cause analysis Drive improvements in performance, scalability, and reliability of data systems Collaborate across teams to align data solutions with business needs Mentor team members and contribute to knowledge sharing and technical development All About You Experience designing and building scalable systems using modern Data Engineering principles Strong experience with Distributed Data Processing and large-scale data platforms Hands-on experience with Data Integration, Data Modeling, and Data Processing Experience building and maintaining Data Lakes and modern data architectures Solid understanding of Database Design and data optimization techniques Knowledge of Workflow Orchestration tools and end-to-end pipeline automation Strong understanding of Data Security and data governance practices Proven ability to work independently on complex technical challenges Strong troubleshooting and root cause analysis skills in data environments Experience working in Agile/Scrum environments and collaborating across teams Strong communication and collaboration skills, with the ability to influence decisions Experience mentoring or supporting other engineers Bachelor’s degree or equivalent experience Nice to Have Experience with cloud platforms (AWS, Azure, or GCP) and modern data tooling Experience with event-driven or streaming architectures Exposure to machine learning or advanced analytics environments Experience in high-throughput or regulated environments (payments, banking, fintech) Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on click.appcast.io and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All Activities Involving Access To Mastercard Assets, Information, And Networks Comes With An Inherent Risk To The Organization And, Therefore, It Is Expected That Every Person Working For, Or On Behalf Of, Mastercard Is Responsible For Information Security And Must: Abide by Mastercard’s security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines. Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact View email address on click.appcast.io and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly. Corporate Security Responsibility All Activities Involving Access To Mastercard Assets, Information, And Networks Comes With An Inherent Risk To The Organization And, Therefore, It Is Expected That Every Person Working For, Or On Behalf Of, Mastercard Is Responsible For Information Security And Must: Abide by Mastercard’s security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines. In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations. Pay Ranges O'Fallon, Missouri: $115,000 - $184,000 USD #J-18808-Ljbffr Socket.dev
$150k - $165k
...Senior Software Engineer St. Louis Park, MN Job Summary: We are seeking a Senior Software Engineer with specialized experience in developing software for active implantable medical device systems. This role involves creating robust, secure, and scalable...SeniorFull time- ...code comments and clear code. Develop software solutions by studying information needs;... ...the program manager and Chief Software Engineer. Coordinate software development activities... ...Systems, or related STEM degree. Senior-level experience deploying microservices...SeniorFull timeContract workTemporary work
- ...A technology solutions provider is seeking a Senior Software Engineer to join their team in St. Louis, MO. This fully onsite position requires at least 8 years of full stack development experience, with a focus on web services and geospatial systems. The ideal candidate...SeniorFlexible hours
- ...A leading engineering firm in St. Louis, Missouri is seeking a Senior Software Engineer for a full-time position requiring an active Top Secret/SCI clearance. This role focuses on full-stack Python development, API development, Kubernetes deployment, and modern DevOps...SeniorFull time
- ...MilliporeSigma’s Digital and eCommerce division is seeking a Senior Software Engineer to help design and build new features on our cloud-based platform. You will work in an Agile team, embracing microservices and event-driven architectures to enable scalable, reliable...Senior
- ...Senior Software Engineer We are seeking a highly skilled Senior Software Engineer to join a top financial client's Business Rules Engineering & Strategy team. This role focuses on developing and maintaining rule-based systems that support critical business decision...SeniorLong term contract
- ...London Stock Exchange Group (LSEG) seeks a Senior Associate to develop, enhance, and maintain scalable in-house software applications. You will collaborate with architects and engineers in an Agile environment, addressing performance, security, and scalability concerns...Senior
- ...your work directly contribute to significant advancements in defense technology. Job Summary We are seeking a highly skilled Senior Software Engineer with robust expertise in C++ embedded development for a position based in St. Louis, Missouri. The ideal candidate will...Senior
- ...Senior Software Engineer – Full Stack & Secure Systems We are seeking an experienced and driven Senior Software Engineer to support mission-critical federal intelligence initiatives by developing secure, scalable, and modern software solutions in a high-impact environment...Senior
- ...to draw crucial insights through data, feeds, analytics, AI and workflow solutions. The Opportunity We are seeking passionate software engineers from mid-level to lead to help us build robust, enterprise-grade solutions that drive real-world impact. Our problems are...Senior
- ...Senior Software Engineer Job Requisition ID: 56419 Founded in 1920, Eastman is a global specialty materials company that produces a broad range of products found in items people use every day. With the purpose of enhancing the quality of life in a material...SeniorVisa sponsorship
$126.65k - $171.35k
...Software Developer Engineer (Experienced or Senior) The Boeing Company is looking for a Software Developer Engineer (Experienced or Senior) to join the Digital Analytics and System Health (DASH) software team in Hazelwood, MO. This role will support one or more programs...SeniorPermanent employmentWork experience placementInterim roleCurrently hiringRelocationVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...to serve . We’re growing rapidly and looking for exceptional people to join us. About the Role We are looking for a Senior Software Engineer to join our Online Data Stores team, a critical part of the Infrastructure team at Persona. You'll play a key role in building...SeniorFull timeFor contractorsInternshipRemote work
$118k - $178k
...for innovation and creating the best experience for job seekers. (*Comscore, Total Visits, March 2025) Day to Day As a Software Engineer III on the AI Gateway & Guardrails team at Indeed, you will own and drive the development of platform services that connect Indeed...SeniorWork experience placementLocal area$76.25k - $124.16k
...Software II Developer - Remote - Drupal Saint Louis, Missouri Information Services Days Full-Time Salary: $76,252.80 – $124,155.20 / year (Salary or hourly rate is based on job qualifications and relevant work experience) Job Description This is a remote...Hourly payFull timeWork experience placementRemote work$100k - $150k
...innovation and creating the best experience for job seekers. Day to Day Indeed's Notifications team is seeking exceptional software engineers to join us in building and maintaining CommsHub — Indeed's internal communications platform that delivers hundreds of...Work experience placementLocal areaWorldwide$800 per month
...Software Developer II - Financials (Full Stack, Front End) Any NISC Location For more than 50 years, NISC has developed and implemented... ...NISC is always seeking out talented software developers & engineers who are motivated, collaborative, and excited to solve complex...Contract workTemporary workWork at officeFlexible hours3 days per week- Freedom Technology Solutions Groups is looking to add a senior Software Engineer to the team! This position is fully onsite in St. Louis, MO. The ideal candidate must have demonstrated firsthand experience in at least three of the following: Web services architecture...SeniorRemote workFlexible hoursNight shift
- ...Have We are seeking highly motivated engineers with a thirst for learning, in support a... ...enterprise services Evaluates desktop software and hardware technologies and determines... ...CompTIA Security+ or similar for IAT Level II DoD 8570 certification. MECM / MCM packages...SeniorWork at officeImmediate start
- ...transformation of low-Earth orbit into a global space marketplace. Our mission-driven team is seeking a bold and dynamic Senior Software Engineer who is fueled by high ownership, execution horsepower, growth mindset, and driven to understand our world, science/technology...SeniorPermanent employmentWork at officeWeekend workAfternoon shift
- ## Senior Software EngineerApplylocations: USA-St. Louis-795 Office Pkwytime type: Full timeposted on: Posted Todayjob requisition id: R... ...Splunk, or Azure Monitor.* Exposure to AI/ML integration, prompt engineering, or development workflows that incorporate generative AI...SeniorWork at office
$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. **Title And Summary** Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power...SeniorFull timePart timeWorldwideFlexible hours$165k - $241.4k
...Dashboard product. You will work with many different people within Engineering and throughout Cisco to help build the infrastructure and data... ...ship, analyze, and maintain scalable, distributed, enterprise software solutions that support the services which record and consume...SeniorPermanent employmentFull timeTemporary workLocal areaFlexible hours$135.2k - $306.4k
...Job Description Senior / Principal Software Engineer or Architect Database Engine, Search & Document Systems We are looking for senior systems builders to help shape the next generation of document, search, and AI-facing capabilities inside Oracle Database....SeniorFull timeTemporary workFlexible hours$97.24k - $162.24k
...backend systems that power mission critical geospatial applications supporting Defense and Intelligence operations. As a Software Development Engineer II, you will design and develop scalable backend services and APIs that enable complex data processing, system...RelocationRelocation package$50 - $55 per hour
...prototyping, developing, and troubleshooting software in the user interface or service layers.... ..., scalable talent solutions across IT, engineering, life sciences, clinical, and... ...01, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality...SeniorTemporary workLocal area- ...Sr Software Engineer Contract Location: Saint Louis, MI Skill: Linux administration Client SME: Requirement of MT_CC2_FP_PAS For Prasad Pingle and Prashant area Technical Skills: Unix Fundamentals, ServiceNow, PL/SQL, Weblogic, Websphere Other Mandate Requirements...SeniorContract workShift workDay shift
- ...Software Engineering Lifecycle Activities Principal Accountabilities: Understand customer requirements and suggest solutions or alternatives... ...delivery Seek informal feedback and escalate any issues to seniors in the team Develop software code as per specifications, by...Senior
- ...Under a new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle. Job Title: Sr. Software Engineer Location: USA MO Saint Louis Job Summary Java, Micro services, Spring boot, Kubernetes, Docker, Expertise migrating /...Senior
- ...Sr Software Engineer Candidate will implement automation solutions on Azure using open source tools and technologies (e.g. Ansible, Jenkins, Chef) in any of the following technology tiers/products: Unix/Linux Microsoft Windows Server Oracle Database Middleware (IBM...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer II. Be the first to apply!
- ngo software engineer Saint Louis, MO
- software system engineer Saint Louis, MO
- entry level software engineer remote Saint Louis, MO
- software developer positions Saint Louis, MO
- junior software developer internship Saint Louis, MO
- software development engineer aws Saint Louis, MO
- consulting software engineer Saint Louis, MO
- financial software developer Saint Louis, MO
- software developer Saint Louis, MO
- software engineer healthcare Saint Louis, MO



