Senior Dfx Engineer Jobs

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time. Position Summary The Senior Software Development Engineer is responsible for leading the design, development, and implementation of innovative digital solutions that power exceptional member experiences. In this role, you will leverage advanced technical expertise to architect and build cloud-native, microservices-based applications with a strong emphasis on event-driven architecture, modern technology stacks, and emerging AI technologies. You will collaborate closely with cross-functional teams across Digital, Data and Analytics, and Platform Engineering to drive innovation and shape the overall technical direction of our digital engineering initiatives. This position also involves contributing to technical direction, mentoring peers, and partnering with architects and product teams to translate business requirements into scalable, maintainable solutions. The ideal candidate is a hands-on engineer who takes ownership of the full software lifecycle - from design through deployment and operations - and brings a collaborative, problem-solving mindset to every challenge. Required Qualifications 5&#43; years of software engineering experience, with a focus on enterprise-level digital solutions. 3&#43; years of hands-on experience with Node.js, JavaScript, and TypeScript, including strong proficiency in asynchronous programming and server-side application development.</

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time. Position Summary Fully remote role with requirement to reside in the Northwest/Mountain area (ID, MT, NV, OR, UT, WA, WY) and be a Registered Nurse (RN) licensed in the state of residence. Travel up to 25% possible in support of Value Based Care groups. Schedule is Monday - Friday 8am to 5pm. No nights, no weekends and no holidays. The Senior Clinical Strategist works with assigned Aetna Medicare Provider Collaboration groups to drive improved performance by leading clinical performance improvement projects and managing multiple complex deliverables through to implementation. Projects will support population health and will primarily impact Stars and quality but will also focus on improvements in utilization and cost. The Senior Clinical Strategist works to drive clinical performance of assigned Medicare Provider Collaboration groups by: - Establishing trusting relationships with provider partners to promote open communication - Serving as clinical expert on actionable opportunities related to CM, gap closure, workflow discussions, and partnering with case manager supervisor/manager and CMs - Serving as internal and external liaison and clinical resource, interpreting data and educating regarding how to utilize data for PC performance improvement -Strategizing with SMEs and clinical teams both internally and externally to drive outcomes and i

We’re building a world of health around every individual — shaping a more connected, convenient and compassionate health experience. At CVS Health®, you’ll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger – helping to simplify health care one person, one family and one community at a time. We are seeking an experienced and highly motivated Senior Manager, Business Controls & Governance to support the Service Operations Compliance organization by strengthening and overseeing the business control environment, leading governance activities, and partnering with operational teams to manage risk across critical business processes. This leader will play a key role in maturing the organization’s governance and control environment by establishing sustainable frameworks, standards, operating routines, and accountability mechanisms that drive greater consistency, transparency, and risk awareness across Service Operations. This role will serve as a key liaison between business operations, control owners, Internal Audit, external auditors, Finance, Legal, and Technology teams. The individual will lead efforts to ensure that controls are effectively designed, executed, documented, and monitored while governing and overseeing SOX and SOC 1 compliance requirements across a complex operational environment. The ideal candidate is a collaborative leader with deep experience in risk management, operational governance, internal controls, audit support, and process improvement who can help business partners navigate compliance requirements while driving practical and sustainable solutions. This leader must be able to operate independently, exercise sound judgment in ambiguous situations, and influe

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Analyst, Finance Business Partner Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. The U.S. Customer Planning function serves as the finance business partner to the customer account management teams and is part of the broader Americas Regional Finance team. The Senior Analyst position is responsible for management reporting encompassing budgeting and forecasting, strategic and customer planning. About Business Finance Center (BFC) BFC provides Financial Planning & Analysis (FP&A) and Finance Business Partnering expertise to the organization by compiling and analyzing metrics, identifying trends and problems, communicating information to relevant groups and recommending actions to improve financial performance. It works with the business to directly drive planning efforts, identify business drivers, and develop the bottom-up budget and forecast. It also helps the business in standard, ad hoc reporting, and key performance in

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Accountant Overview The Finance team is looking for a detail-oriented Senior Accountant who is motivated to lead beyond traditional finance responsibilities. This role combines accounting expertise, financial analysis, and commercial insight to support business decisions, strengthen financial controls, and help maximize sustainable growth and profitability. The ideal candidate is curious, collaborative, and comfortable diving deeply into financial data to identify key insights. They will bring strong accounting fundamentals, a continuous improvement mindset, and an interest in using technology and AI-enabled tools to improve accounting, reporting, and financial analysis. Role • Complete monthly reconciliations of Latin America and the Caribbean customer, merchant, and Advisors incentive programs in accordance with Mastercard Policy 700-B. • Review work orders subject to Master Services Agreement terms and conditions through the CAR Tool review and approval workflow. • Prepare accounting treatments in accordance with Mastercard policy and attach the supporting documentation to the CAR Tool approval workflow for the corresponding work order. • Review and approve purchase requisitions through the approval workflow in the Oracle procurement system. • Prepare and report

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Analyst, Business Development Overview The Global Partnerships team is responsible for cultivating and managing Mastercard’s most strategic relationships with key players across the payments ecosystem. The team works with global leaders in technology, e-commerce and financial services to build and scale solutions across acceptance, issuing and co-brand partnerships, payments services and emerging commerce capabilities. Join an agile, high-performing team within Mastercard’s Global Acceptance vertical, focused on growing the Global Acquiring business with leading centralized global acquirers and commerce enablers. These customers are central to Mastercard’s acceptance strategy and operate across multiple markets, channels and business models. The team works closely with regional stakeholders, product teams and customer partners to defend and grow revenue, deepen relationships and execute priority strategic initiatives. Reporting to the Vice President, Business Development, this Sr. Analyst role will provide hands-on support across a portfolio of key strategic accounts. The role will work closely with senior account leads to help manage day-to-day customer engagement, coordinate internal stakeholders, progress commercial opportunities and ensure strong execution of strategic account priorities.<b

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview We are seeking an experienced Senior Software Engineer with strong expertise in Golang, cloud-native application development, and AWS-based solutions to support Mastercard's Cloud Connect initiatives. The role will focus on building secure, scalable connectivity platforms that enable customers to connect to Mastercard services from public cloud environments and private networks through modern cloud-native architectures. Role • Design, develop, and maintain secure, scalable, and resilient cloud-native applications and services using Golang and AWS technologies to support Mastercard's Cloud

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Platform Engineer Overview: The Middleware team is responsible for ensuring the stability, availability, and performance of critical payment and enterprise platforms. This role provides operational support across middleware technologies and business-critical services, contributing to platform reliability, incident resolution, change implementation, and continuous service improvement Role: Provide primary support for Middleware Production Platform Administration (PPA) activities. Participate in an on-call support rota, including weekday and weekend coverage. Support and implement live production changes in accordance with established change management processes. Partner with the Operations and Platform Administration (OPA) team to deliver BAU operational activities. Monitor, troubleshoot, and resolve production incidents to ensure service availability and performance. Support critical payment and integration platforms, ensuring operational excellence and adherence to SLA commitments. Contribute to operational documentation, knowledge sharing, and process improvement initiatives. All About You: Experience supporting enterprise middleware and production platforms in a mission-critical environment. Knowledge of Oracle WebLogic Server administration and support. F

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Data Engineer Data Engineer, D&A Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Data & Analytics team is part of MasterCard Services group and one of the most rapidly growing organization in the space. This team provides analytic software tools that enable large, consumer-focused businesses to seize the Big Data analytics opportunity by triangulating between business strategy, algorithmic math, and large databases to improve decisions. Role The Data Engineer will participate on data management aspects of product engagements to deliver solutions, as well as contribute to and foster a high performance

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 About Mastercard Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Mastercard Services Access program provides access to a wide range of Mastercard’s value-added services to customers such as Issuers, Processors, or Payment Entities ranging. We help our customers to optimize revenue and control risk across all portfolios and brands. About the Role: =================================== -Design, develop, and maintain Java-based backend services using Spring Boot, Spring Integration, gRPC, and distributed system patterns. -Translate business requirements and user stories into secure, efficient, and reusable software solutions. -Contribute to technical des

Our Purpose Mastercard powers economies and empowers people in 200&#43; 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 Technical Program Manager Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview Service Delivery is a team of Systems Platform Engineers responsible for the analysis, design and build of the application infrastructure framework to fit the application, platform or system needs in-line with MasterCard's operational standards and principles. TPM will work with the development teams and other critical teams within Mastercard to ensure that the completed infrastructure and application architecture aligns with MasterCard’s security, scalability and availability standards. TPM deliverable are the managing the Infrastructure deliver program of Java Run time environments

Job Description Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you’ll have the opportunity to grow your career, give back to your community and make a real impact. Job Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180&#43; countries operating at a scale few can match. From deploying advanced AI to helping shape global markets, we build systems that matter. Look to join a team where your work helps influence economies, your ideas can drive innovation and outcomes, and your growth is backed by mentorship, continuous learning and flexibility with potential hybrid work opportunities. Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Citi's Equities Technology organization is seeking a Software Engineer to join the Equities Electronic- Execution (Electronic Trading) technology team. The person in this role will be responsible for the design, development, and delivery of Citi's next-generation low-latency execution platform. This platform encompasses c

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by great technology—and amazing people. Widely considered to be one of the technology world’s most desirable employers, NVIDIA is an industry leader with groundbreaking developments in High-Performance Computing, Artificial Intelligence and Visualization. The GPU, our invention, serves as the visual cortex of modern computers and is at the heart of our products and services. Our work opens up new universes to explore, enables amazing creativity and discovery and powers what were once science fiction inventions from artificial intelligence to autonomous cars. NVIDIA’s Hardware Infrastructure organization develops, deploys, and runs engineering infrastructure on large-scale, distributed cloud computing systems with 1000s of heterogeneous servers and petabytes of high-performance shared storage. We are looking for a highly motivated senior software development engineer to develop and deploy software storage management systems for NVIDIA's worldwide design engineering teams. Collaborate with internal customers and partners, working with technical teams to build and implement efficient software storage systems that improve engineering efficiency and benefit NVIDIA's business. What you'll be doing: Collaborate with HW and SW engineering teams to define new features for distributed software storage systems. Craft and develop scalable, distributed, storage management system solutions written in Perl and Python Work closely with team members and internal customers to optimize workflow efficiency and scalability. Drive improvements to SW design and test processes to improve velocity and deliver very high production quality. Directly contribute to the overall quality of and improve time t

NVIDIA's Automotive Offensive Security team believes the best defense is a good offense. Securing a sophisticated automotive operating system means finding vulnerabilities then building the tooling needed to find them at scale. We're looking for a senior engineer who can break low-level systems and then automate the insights gained from doing so into reusable security capabilities. What you'll be doing: You'll discover and evaluate vulnerabilities on both source code and binaries, focusing on low-level technologies such as OS kernels, Hypervisor, boot ROMs, firmware, and hardware. More than just bug finding, you'll develop and build automation to scale your work. This includes security pipelines, fuzzing infrastructure, AI-assisted vulnerability discovery, tools for automated code inspection, and code conversion. You'll work closely with security researchers and engineers, owning tool development - from prototype to production - for use across the software organization What we need to see : 7&#43; years of hands on programming experience, particularly with C/C&#43;&#43;. Python and memory safe language (e.g. Rust, Ada/SPARK) proficiency a plus. B.S. or equivalent experience in Computer Science or a related field. Strong low-level systems security background: OS internals, kernels, hypervisors, firmware, or hardware; applying an analytical approach dissecting the functionality of intricate software and identifying security flaws. Experience with embe

NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI — the next era of computing. NVIDIA is a “learning machine” that constantly evolves by adapting to new challenges that are hard to tackle, that only we can pursue, and that matter to the world. This is our life’s work, to amplify human creativity and intelligence. We are now looking for a System Design Engineer in the Graphics Product Team. In this role, you will be working with a team of HW/SW engineers to develop NVIDIA GPU/CPU/SoC based products for GPU cards, Datacenters, automotive, robotics, industrial PC, consumer electronics, etc. NVIDIA has continuously reinvented itself over two decades. Our invention of the GPU in 1999 sparked the growth of the PC gaming market, redefined modern computer graphics, and revolutionized parallel computing. More recently, GPU deep learning ignited modern AI — the next era of computing. NVIDIA is a “learning machine” that constantly evolves by adapting to new challenges that are hard to tackle, that only we can pursue, and that matter to the world. This is our life’s work, to amplify human creativity and intelligence. We are now looking for a System Design Engineer in the Graphics Product Team. In this role, you will be working with a team of HW/SW engineers to develop NVIDIA GPU/CPU/SoC based products for GPU cards, Datacenters, automotive, robotics, industrial PC, consumer electronics, etc. What You'll be Doing: Build system hardware products around GPU, CPU & Tegra SoC. Collaborate with cross-functional team to pursue the balance of product cost, performance, and schedule under the guidance of system architects and product architects. Drive initial bringup and test, lead the debug efforts.