Sr. Data Engineer

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a difference at Fiserv. Job Title Sr. Data Engineer About the role: You will play a key role in designing and building scalable data solutions that support fraud detection and risk management. You will architect high-performance data platforms, develop reliable pipelines, and partner closely with data science and cross-functional teams to enable advanced analytics and machine learning solutions. What you’ll do: Build, maintain, and optimize high-volume data pipelines with high performance, reliability, and cost efficiency. Design and implement scalable, secure data architectures for analytics and operational fraud and risk use cases. Manage large-scale datasets while ensuring strong data quality, integrity, lineage, and governance controls. Partner with data scientists to prepare training data and operationalize machine learning models for fraud detection. Develop robust solutions using technologies such as Cassandra, PostgreSQL, Python, PySpark, and Databricks, REST API, Java, Spring. Implement cloud-based data solutions in Microsoft Azure to support scalability, resiliency, and security and define and uphold data governance standards, best practices, and policies across the data lifecycle. Coordinate releases, deployments, and updates across complex environments and cross-functional teams to ensure smooth implementation with minimal disruption. Take ownership of environments and deployments, manage priorities effectively, and deliver with accountability. Experience you’ll need to have: 7+ years of hands-on programming experience in Python and Java. 3+ years of technical lead experience designing and delivering data solutions at scale and in data engineering, data architecture, or analytics, including direct experience supporting fraud detection and risk management. 2+ years of experience preparing data for and supporting machine learning models using fraud data, including feature engineering and model operationalization. Experience with NoSQL databases such as Cassandra, PostgreSQL, or DynamoDB, Spark/PySpark, Databricks, and Azure data services. Strong SQL skills and proven experience managing large data volumes and applying best practices in partitioning, indexing, caching, and performance tuning. Experience with pipeline automation, orchestration, and incremental data loading processes and knowledge of supervised and unsupervised learning techniques. Experience in data mapping, standardization, data quality rule development, and creation of derived attributes for analytics. Bachelor’s degree in computer science, Engineering, Mathematics, Data Science, or a related field, or equivalent practical experience. How you’ll work: This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity. Travel Approximately 10% travel off-site or to other office locations is expected. Sponsorship You must currently possess valid and unrestricted U.S. work authorization to be considered for this role. Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered. #LI-RM1 Salary Range $128,000.00 - $216,000.00 These pay ranges apply to employees in New Jersey and New York. Pay ranges for employees in other states may differ. It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran. For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion. Thank you for considering employment with Fiserv. Please: Apply using your legal name Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable). Our commitment to Equal Opportunity: Fiserv is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status, or any other category protected by law. If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact View email address on click.appcast.io. Please note our AskHR representatives do not have visibility to your application status. Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information. Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements. Please do not send resumes to Fiserv associates. Fiserv is not responsible for any fees associated with unsolicited resume submissions. Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv. Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information. Any communications from a Fiserv representative will come from a legitimate Fiserv email address. There's a reason why Fiserv is the global leader in information management and electronic commerce systems for the financial services industry. It's our people. If you are a talented professional who gets excited by the challenge of helping Fiserv lead the transformation of financial services technology for our clients' benefit, we encourage you to explore career opportunities with Fiserv, where turning possibilities into realities is the norm.