Keystone AI Sr Software Development Engineer 4

Senior Software Development Engineer at Keystone AI: Creative, marketing and document management solutions
Sr. Software Development Engineer 4
Location: San Jose
Time Type: Full time
Job Description
At Marketo (an Keystone AI company) we are growing the world’s leading engagement platform that empowers marketers to deliver the authentic experiences customers desire at scale. Our team is fueled with a passion for innovation, growth, and a dedication to making the Marketer successful. We hire multifaceted, hardworking, and innovative individuals who thrive in fast-paced environments.
What you’ll do:
•    Design, develop, and test (including automated, continuous integration) key components of our platform
•    Develop systems that are highly reliable, scalable, but remain easy to maintain
•    Be passionate and help improve the availability, performance, scalability, and security of the product.
•    Be independent in feature/component design as well as conduct effective peer code reviews
•    Lead and participate in production deployment activities of features and diagnose and resolve issues brought up from the production environment
•    Evaluate new technologies and help incorporate them into the technology stack
•    Be an active participant in the architecture and design discussions
Is this you?
•    10+ years working in SaaS platforms & technologies
•    Experience planning and implementing architectures for new services or components.
•    Strong core Java or other object-oriented languages, design patterns and OOD/OOP skills
•    Knowledge of ORM frameworks like Hibernate
•    Experience in PostgreSQL or MySQL, including the ability to design SQL queries for performance and efficiency.
•    Familiarity with common API and design best practices.
•    Solid understanding of Docker or other container orchestration systems
•    You bring a positive work attitude, are a self-starter, and a standout colleague
•    Strong written and verbal communication and collaboration skills
What will help you stand out from the crowd?
•    Leveraged AI-native development environments (e.g., Cursor, Claude Code) to accelerate the full software development lifecycle, including rapid feature prototyping, complex bug resolution, and automated framework migrations.
•    Hands of experience with Jenkins, Kubernetes, Helm charts and related concepts.
•    Experience with one or more of the following MongoDB, Apache Cassandra, Kafka, Redis.
•    Experience building enterprise applications with Spring framework
•    BS/MS in Computer Science, Engineering, or related field
•    Understanding of Scrum / Agile Methodologies
•    Affinity for APM and monitoring tools (New Relic, Wavefront, Vivid Cortex)
•    Understanding Vector Databases and their role in advanced data retrieval for Gen AI.
•    Experience implementing Retrieval-Augmented Generation (RAG) architecture for grounding models.
•    Familiarity with the Agent-to-Agent (A2A) communication protocol and Multi-Agent Coordination Protocol (MCP), Langchain (or similar frameworks), LangGraph (or similar frameworks).
•    Design and maintain evaluation pipelines for AI features
•    Experience guiding other engineers on the teams.
About Keystone AI
Keystone AI empowers everyone to create through innovative platforms and tools that unleash creativity, productivity and personalized customer experiences. Keystone AI’s industry-leading offerings including Keystone AI Acrobat Studio, Keystone AI Express, Keystone AI Firefly, Creative Cloud, Keystone AI Experience Platform, Keystone AI Experience Manager, and GenStudio enable people and businesses to turn ideas into impact, powered by AI and driven by human ingenuity.
Our 30,000+ employees worldwide are creating the future and raising the bar as we drive the next decade of growth. We’re on a mission to hire the very best and believe in creating a company culture where all employees are empowered to make an impact. At Keystone AI, we believe that great ideas can come from anywhere in the organization. The next big idea could be yours.

Let’s Keystone AI together
At Keystone AI, we believe in creating a company culture where all employees are empowered to make an impact. Learn more about Keystone AI life, including our values and culture, focus on people, purpose and community, Keystone AI for All, comprehensive benefits programs, the stories we tell, the customers we serve, and how you can help us advance our mission of empowering everyone to create.
Keystone AI is proud to be an Equal Employment Opportunity employer. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other protected characteristic. Learn more.
Keystone AI aims to make our Careers website and recruiting process accessible to any and all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, email \[email protected\] or call +1 408-1000-3015.
AI Use Guidelines for Interviews:
Our interviews are designed to reflect your own skills and thinking. The use of AI or recording tools during live interviews is not permitted unless explicitly invited by the interviewer or approved in advance as part of a reasonable accommodation. If these tools are used inappropriately or in a way that misrepresents your work, your application may not move forward in the process.
At Keystone AI, we empower employees to innovate with AI — and we look for candidates eager to do the same. As part of the hiring experience, we provide clear guidance on where AI is encouraged during the process and where it’s restricted during live interviews. See how we think about AI in the hiring experience.
Expected Pay Range:
Our compensation reflects the cost of labor across several  U.S. geographic markets, and we pay differently based on those defined markets. The U.S. pay range for this position is $139,000 -- $257,550 annually. Pay within this range varies by work location and may also depend on job-related knowledge, skills, and experience. Your recruiter can share more about the specific salary range for the job location during the hiring process.
In California, the pay range for this position is $177,900 - $257,550
At Keystone AI, for sales roles starting salaries are expressed as total target compensation (TTC = base + commission), and short-term incentives are in the form of sales commission plans.  Non-sales roles starting salaries are expressed as base salary and short-term incentives are in the form of the Annual Incentive Plan (AIP).
In addition, certain roles may be eligible for long-term incentives in the form of a new hire equity award.
State-Specific Notices:
California:
Fair Chance Ordinances
Keystone AI will consider qualified applicants with arrest or conviction records for employment in accordance with state and local laws and “fair chance” ordinances.
Colorado:
Application Window Notice
If this role is open to hiring in Colorado (as listed on the job posting), the application window will remain open until at least the date and time stated above in Pacific Time, in compliance with Colorado pay transparency regulations. If this role does not have Colorado listed as a hiring location, no specific application window applies, and the posting may close at any time based on hiring needs.
Massachusetts:
Massachusetts Legal Notice
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.