Sr. Software Engineer

About Ancestry:
When you join Ancestry, you join a human-centered company where every person’s story is important. Ancestry®, the global leader in family history, empowers journeys of personal discovery to enrich lives. With our unparalleled collection of more than 40 billion records, over 3 million subscribers and over 23 million people in our growing DNA network, customers can discover their family story and gain a new level of understanding about their lives. Over the past 40 years, we’ve built trusted relationships with millions of people who have chosen us as the platform for discovering, preserving and sharing the most important information about themselves and their families.

We are committed to our location flexible work approach, allowing you to choose to work in the nearest office, from your home, or a hybrid of both (subject to location restrictions and roles that are required to be in the office- see the full list of eligible US locations HERE). We will continue to hire and promote beyond the boundaries of our office locations, to enable broadened possibilities for employee diversity.

Together, we work every day to foster a work environment that's inclusive as well as diverse, and where our people can be themselves. Every idea and perspective is valued so that our products and services reflect the global and diverse clients we serve. 

Ancestry encourages applications from minorities, women, the disabled, protected veterans and all other qualified applicants. Passionate about dedicating your work to enriching people’s lives? Join the curious.

We are seeking a dedicated Back-End Software Engineer to join our AuthSec (Authentication Security) team. This role will focus on developing and maintaining our core back-end services, with a strong emphasis on user authentication, service authorization, and data privacy. The ideal candidate will have a strong background in Java, experience building highly scalable, robust systems, particularly in the authentication and authorization domain.

What you will do…

• Collaborate with cross-functional teams, including enterprise architecture, product management and other engineers, for development of new features, and maintenance of Ancestry’s authentication and authorization services.

• Design, build, and implement scalable and efficient back-end solutions using Java with a mix of Spring WebFlux and MVC on AWS cloud infrastructure

• Ensure that the system architecture supports scalability, security, and privacy requirements.

• Participate in code reviews and ensure quality standards and best practices are maintained.

• Develop and deploy resilient back-end services, taking full ownership of code quality through comprehensive unit testing.

• Contribute to our agile environment by collaborating with teammates in sprint planning, daily stand-ups, and retrospectives.

• Drive the operational excellence of our services by improving monitoring and alerting, troubleshooting issues, and ensuring high availability

Who you are…

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent work experience, coupled with 3+ years of professional experience as a back-end software engineer.

• Proficiency in building APIs with Java and Spring Boot, with bonus experience in the reactive ecosystem using Spring WebFlux

• A critical understanding of authentication and authorization principles, including JWT and encryption, is required.

• Practical experience implementing modern authentication solutions, including MFA, SSO, OAuth, and full token lifecycle management is highly valued

• Experience with relational databases like MySQL and cloud platforms like AWS.

• Solid understanding of version control systems such as Git and agile methodologies. Experience with CI/CD processes and tools for seamless integration and deployment.

• Strong problem-solving skills, with the ability to troubleshoot and debug applications independently and collaboratively in a dynamic environment.

• Experience with NoSQL databases and caching technologies (e.g., Elasticsearch, Redis) is a plus.

• Experience with the modern JavaScript ecosystem (e.g., React, Node.js) is a plus.

Helping people discover their story is at the heart of ours. Ancestry is the large