Senior Customer Success Engineer Jobs in California

Location: San Francisco

Other locations: Primary Location Only

Salary: Competitive

Date: Jun 22, 2026

Requisition ID: 1719621

At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world.

Technology – Systems Implementation and Engineering – Application Design and Development – Senior Manager (Full Stack)

At EY, our purpose is to shape the future. The insights and quality services we provide help build trust and confidence in the capital markets and economies all over the world. We develop outstanding leaders who are teamed to deliver our promises to all our stakeholders. In so doing, we play a critical role in building a better working world for our people, for our clients and for our communities.

The opportunity

The Platforms Practice specializes in mission-critical, intelligent platforms for the world’s most ambitious organizations. Using our product-driven, AI-centric approach, we empower organizations to build for the intelligent digital future. Our elite team of product leaders, data scientists, designers, and software engineers enable our clients to solve their most complex product challenges and positively impact people and the world. Software engineers are problem solvers. While most have deep expertise in specific areas of the technology stack (front end, back end, data, security etc.), all are comfortable swimming across lanes. This is really important in delivering the product and platform outcomes that our customers expect.

As a Senior Manager, you will play a pivotal role in identifying and defining user/customer requirements while focusing on developing user interfaces across various platforms including mobile, web, and tablets. You will be responsible for coding, programming, and creating specifications to deliver development services that align with business requirements.

Your key responsibilities

In this role, you will lead the delivery of complex processes and solutions, ensuring quality and risk management while navigating operational dynamics. You will be responsible for managing client relationships and revenue generation, providing leadership across multiple activities, and achieving performance objectives. This position requires regular travel to meet with external clients, and you will engage in planning, execution, and closure of client engagements.

• Lead engagement delivery and manage client relationships daily.
• Accountable for program/project management and engagement economics.
• Develop resource plans and budgets for the entire engagement.

Skills and attributes for success

To excel in this role, you will need a blend of technical and business skills. Your ability to communicate effectively and build trust with clients will be essential.

• Translate business requirements into technical design and architecture
• Develop prototypes and demos quickly
• Function as part of an agile delivery process
• Work on distributed systems problems ranging from scheduling, resource management, messaging, distributed caching and infrastructure automation
• Solve sophisticated data and analytics problems at scale
• Apply machine learning and AI systems to real-world business problems
• Build world-class user experiences across a range of interfaces
• Create automation systems for testing, continuous integration and continuous deployment
• Design APIs and extensibility models for platform use cases that haven’t yet been imagined
• Teach our clients how to build and deliver commercial software and services at scale
• Strong understanding of Agile delivery and development methodologies.
• Proficient in application development tools and quality assurance processes.
• Ability to develop solutions to complex problems and recommend policy changes.

To qualify for the role, you must have

• Bachelor’s degree required; Master’s degree preferred.
• Typically, no less than 5 - 7 years of relevant experience.
• 5+ years of experience with Angular or similar frontend frameworks
• Strong knowledge of JavaScript, TypeScript, Angular
• Knowledge of PostgreSQL and Temporal
• Knowledge of Generative AI and building Agents
• Ability to design and implement robust APIs and microservices using Java, Python, FastAPI and OpenAPI
• Integrate authentication and authorization mechanisms using Keycloak, OAuth2, OIDC, and Azure Active Directory (AAD)
• Experience with Data Visualization tools like: D3, Highcharts, Ploty.js, Ember Charts
• Experience using Commercial Dashboards (PowerBI, Tableau, Looker)
• Experience with Test-Driven Development (TDD) / unit testing
• Experience working on complex problems and in a complex codebase
• Knowledge of frontend “best practices” around page performance

Ideally, you’ll also have

• A passion for delivering commercial software products and platforms to market
• Be deeply technical and constantly in a state of learning
• Able to communicate clearly and efficiently with a variety of audiences including developers, clients, customers, partners and executives
• Fearless in getting “hands-on” with technology and execution
• Strong understanding of modern software engineering processes
• Deep understanding and interest in cloud and distributed systems architectures
• Comfortable with ambiguity with a drive for clarity
• Experience leading and growing technical talent (for software engineering managers)
• Experience in leading teams and managing change effectively.
• Strong negotiation and influencing skills.
• A proven track record of building and managing client relationships.

What we look for

We seek individuals who demonstrate emotional agility, digital fluency, and a commitment to leading teams towards success. Top performers are those who not only excel in their technical capabilities but also possess the ability to communicate with impact and foster collaboration in hybrid environments.

What working at EY offers

We offer a competitive compensation package where you’ll be rewarded based on your performance and recognized for the value you bring to our business. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options. Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

• Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
• Success as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
• Transformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.
• Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.

About EY

As a global leader in assurance, tax, transaction and advisory services, we hire and develop the most passionate people in their field to help build a better working world. This starts with a culture that believes in giving you the training, opportunities and creative freedom to make things better. So that whenever you join, however long you stay, the exceptional EY experience lasts a lifetime.

Join us in building a better working world. Apply now!

What we offer you

At EY, we’ll develop you with future-focused skills and equip you with world-class experiences. We’ll empower you in a flexible environment, and fuel you and your extraordinary talents in a diverse and inclusive culture of globally connected teams. Learn more.

We offer a comprehensive compensation and benefits package where you’ll be rewarded based on your performance and recognized for the value you bring to the business. The base salary range for this job in all geographic locations in the US is $171,600 to $392,100. The base salary range for New York City Metro Area, Washington State and California (excluding Sacramento) is $205,900 to $445,700. Individual salaries within those ranges are determined through a wide variety of factors including but not limited to education, experience, knowledge, skills and geography. In addition, our Total Rewards package includes medical and dental coverage, pension and 401(k) plans, and a wide range of paid time off options.

Join us in our team-led and leader-enabled hybrid model. Our expectation is for most people in external, client serving roles to work together in person 40-60% of the time over the course of an engagement, project or year.

Under our flexible vacation policy, you’ll decide how much vacation time you need based on your own personal circumstances. You’ll also be granted time off for designated EY Paid Holidays, Winter/Summer breaks, Personal/Family Care, and other leaves of absence when needed to support your physical, financial, and emotional well-being.

Are you ready to shape your future with confidence? Apply today.

EY accepts applications for this position on an ongoing basis.

For those living in California, please click here for additional information.

EY focuses on high-ethical standards and integrity among its employees and expects all candidates to demonstrate these qualities.

EY | Building a better working world

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multi-disciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

EY provides equal employment opportunities to applicants and employees without regard to race, color, religion, age, sex, sexual orientation, gender identity/expression, pregnancy, genetic information, national origin, protected veteran status, disability status, or any other legally protected basis, including arrest and conviction records, in accordance with applicable law.

EY is committed to providing reasonable accommodation to qualified individuals with disabilities including veterans with disabilities. If you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY’s Talent Shared Services Team (TSS) or email the TSS at ssc.customersupport@ey.com.