Sr Backend Python Developer Jobs in Newark, DE (NOW HIRING)

CI/CD Pipeline Ownership: Design, build, and maintain robust, automated CI/CD pipelines using a combination of Harness, Github, Tekton, and Lightspeed (LSE). Ensure seamless integration from code commit to production deployment, focusing on speed, quality, and security. Manage and optimize the build, test, and release processes for all components of the IDP platform, including Python and React JS applications.

OpenShift Deployments: Manage and automate deployments of microservices and applications to OpenShift clusters. Implement and maintain deployment strategies such as blue-green, canary, and rolling updates. Ensure high availability, scalability, and resilience of applications running on OpenShift.

Database Management: Oversee the management and maintenance of Postgres databases. Implement and manage database schema changes using Liquibase.

Helm Chart Lifecycle Management: Lead the authoring, versioning, and release management of Helm charts for all platform services. Establish and enforce best practices for Helm chart development to ensure reusability and maintainability. Manage the lifecycle of charts in our Artifactory repository.

Kafka/Messaging Operations: Oversee the operational health of our Kafka messaging backbone. Responsible for topic management, including creation, partitioning, and access control. Perform consumer group tuning and monitoring to ensure optimal performance and data throughput.

Container Governance and Security: Implement and manage a strict container governance policy. Integrate automated image scanning (Snyk/Checkmarx) into the CI/CD pipeline to identify vulnerabilities. Manage the container lifecycle within Artifactory, including promotion, retention, and patching strategies for base and application images.

Observability Stack Build-out: Architect, build, and maintain a comprehensive observability stack using Prometheus, Grafana, and ELK/Splunk. Develop dashboards, alerts, and logging solutions to provide deep insights into platform health and performance. Proactively identify and resolve issues through effective monitoring and root cause analysis.

Experience: 4+ years in a DevOps, SRE, or platform engineering role.

CI/CD: Proven hands‑on experience with at least two of the following: Harness, Tekton, Lightspeed (LSE), and experience with Python and React JS build processes.

Database: Experience with Postgres database management and schema migration using Liquibase.

Containerization: Expert‑level knowledge of Docker and container orchestration with Kubernetes and/or OpenShift.

Helm: Demonstrable experience in creating and managing complex Helm charts.

Messaging Systems: Strong operational experience with Kafka, including administration and performance tuning.

Security: Experience with container security scanning tools (e.g., Snyk, Checkmarx) and repository management (e.g., Artifactory).

Observability: Proficiency in setting up and managing monitoring and logging tools like Prometheus, Grafana, and the ELK stack or Splunk.

Education: Bachelor's degree in computer science, Engineering, or equivalent experience.

GenAI/LLM Exposure: Direct experience building, supporting, or working with platforms that utilize Generative AI and Large Language Models (LLMs).

Python: Advanced proficiency in Python for scripting, automation, and developing backend services.

Certifications: OpenShift or Kubernetes certifications (e.g., CKA, CKAD, Red Hat Certified Specialist in OpenShift Administration) are a plus.

Industry Experience: Experience working in a highly regulated environment such as finance or government.

Primary Location Full Time Salary Range: $107,120.00 - $160,680.00

In addition to salary, Citi’s offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards.

Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs.

Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays.

Job Family Group: Technology

Job Family: Applications Development

Time Type: Full time

Primary Location: New Castle Delaware United States

Anticipated Posting Close Date: Sep 08, 2026

We use automated processing, including artificial intelligence, for our legitimate business interests (or our reasonable and appropriate business purposes) to identify and align the candidate's skills and abilities with a specific job opening. Additionally, if you so choose, or consent, we can match your skills and abilities to other suitable roles at Citi. Importantly, all our hiring processes and decisions, including determining your suitability for a role, are conducted, checked, and decided by individuals. Our automated processing and AI do not involve relying on automatic or autonomous decision-making. Please refer to any Jurisdictional Considerations, with specific provisions for your country (where relevant) for further details. Illinois residents – AI Notice and Right

Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law. If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi. View Citi’s EEO Policy Statement and the Know Your Rights poster.

Most Relevant Skills Please see the requirements listed above.

Other Relevant Skills For complementary skills, please see above and/or contact the recruiter.