Apps Dev Tech Lead Analyst - Vice President

Citigroup Inc.; Irving (TX); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical, dental & vision coverage

401(k)

Life, accident, and disability insurance

Paid time off packages

Job summary

A global financial services firm in the United States is seeking an experienced Data Engineer to lead complex problem resolution and drive technical innovations. This role requires 6-10 years of experience with strong proficiency in Java, PySpark, and SQL. The successful candidate will mentor junior developers while implementing data architectures and optimizing scalable data solutions. The position offers competitive benefits including health insurance, 401(k), and generous paid time off.

Qualifications

• 6-10 years of experience in systems analysis and programming.
• Experience with real-time data streaming using PySpark Structured Streaming.
• Knowledge of machine learning concepts and MLOps practices.
• Strong understanding of algorithms and data structures.
• Excellent analytical and communication skills.

Responsibilities

• Translate business requirements into technical solutions.
• Lead resolution of complex problems.
• Ensure adherence to coding standards.
• Mentor juniors and lead collaborative teams.
• Design and optimize data architectures and pipelines.

Skills

Java application technologies

PySpark

Python programming

Big Data ecosystems

SQL

Agile methodologies

Angular 21+ / ReactJS

Data quality governance

Docker

Kubernetes

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Tools

Apache Airflow

Cloudera

Databricks

Starburst

Rest APIs

Linux

Job description

Responsibilities

• Innovate & Develop:
  • Partner closely with project managers, business stakeholders, and senior managers to translate complex business requirements into well‑architected technical solutions. Consult with users and other technology groups, providing advanced programming insights and support.
  • Drive cross‑functional collaboration with diverse management teams to ensure seamless integration of functions, aligning efforts to achieve strategic organizational goals.
  • Proactively identify, define, and implement necessary system enhancements to facilitate the successful deployment of new products and process improvements.
• Complex Problem Resolution:
  • Lead the resolution of high‑impact problems and critical projects through in‑depth evaluation of intricate business processes, complex system architectures, and relevant industry standards.
  • Employ advanced analytical and interpretive thinking to define issues, uncover root causes, and develop innovative, sustainable solutions.
  • Consult with users, clients, and other technology groups on issues, and recommend programming solutions. Analyze complex technical and business challenges, and propose innovative solutions that enhance system functionality and business processes.
• Technical Architecture & Standards Leadership:
  • Serve as a subject matter expert in application programming, ensuring that all application designs rigorously adhere to the overall architectural blueprint and strategic technology roadmap.
  • Leverage an advanced understanding of system flow to develop and enforce robust standards for coding, testing, debugging, and implementation across development teams.
• Mentorship & Talent Development:
  • Act as a trusted advisor and coach for mid‑level developers and analysts, providing guidance, fostering skill development, and judiciously allocating work to maximize team potential and project success.
  • Provide technical guidance, mentorship, and code reviews to junior data engineers, fostering a culture of excellence and continuous improvement.
• Operational Excellence: Ensure adherence to best practices and essential procedures.
• Autonomy & Ownership: Operate with a high degree of independence and judgment, taking ownership of critical initiatives and driving them to successful completion.
• Risk Management: Proactively assess and manage technical risks, demonstrating a strong commitment to regulatory compliance, ethical judgment, and transparent reporting of control issues.
• Design, develop, and maintain robust, scalable, and high‑performance data pipelines using PySpark.
• Collaborate with data scientists, analysts, and business stakeholders to understand data requirements and deliver high‑quality data solutions.
• Optimize and tune Spark jobs for performance and efficiency.
• Implement data quality checks and ensure data integrity across all data pipelines.
• Data Architecture & Design: Design, develop, and optimize data architectures, pipelines, and data models to support various business needs, including analytics, reporting, and machine learning.
• ETL/ELT Development (Python/PySpark Focus): Build, test, and deploy highly scalable and efficient ETL/ELT processes using Python and PySpark to ingest, transform, and load data from diverse sources into data warehouses and data lakes. Develop and optimize complex data transformations using PySpark.
• Data Quality & Governance: Implement best practices for data quality, data governance, and data security to ensure the integrity, reliability, and privacy of our data assets.
• Performance Optimization: Monitor, troubleshoot, and optimize data pipeline performance, ensuring data availability and timely delivery, particularly for PySpark jobs.

Qualifications

• Experience: 6-10 years of progressive experience in systems analysis and programming of software applications, with a proven track record of implementing successful projects.
• Technical Expertise:
  • Strong proficiency in Java application technologies, including deep experience with TDD, Spring framework, and Microservices architecture.
  • Extensive hands‑on experience with PySpark and advanced Python programming skills.
  • Proven experience with Big Data ecosystems, including Cloudera and/or Databricks.
  • Hands‑on experience with distributed query engines like Starburst (Trino/Presto).
  • Proficient in designing and managing complex workflows using scheduling tools, particularly Apache Airflow.
  • Strong expertise in SQL and experience with relational and non‑relational databases.
  • Excellent knowledge of algorithms and data structures, design patterns. Experience in systems analysis and programming of software applications.
  • Strong Java experience: Java core, collections, concurrency, streams.
  • Frameworks and APIs: Spring (Core, Batch, Integration, MVC, Boot, Data), Hibernate, Jackson, JAX RS, JPA, JAXB.
  • Experience with distributed caches like Apache Geode will be a plus.
  • Messaging: JMS, Kafka.
  • Experience in Angular 21+ / ReactJS.
  • Testing: JUnit, Mocking frameworks (Mockito, Power Mock).
  • Experience in performance enhancements using parallel processing, multithreading. Understanding locking/synchronization.
  • Understanding Docker and Kubernetes.
  • Experience in RESTful API development and integration, deployment framework and source control experience such as Git.
  • Solid understanding and experience with SQL.
  • Proficiency in Linux environments.
  • Experience with job scheduling.
• Methodology: Working knowledge of project management techniques and methods, with a focus on agile methodologies.
• Adaptability: Ability to thrive in a fast‑paced environment, manage multiple deadlines, and adapt quickly to evolving requirements and priorities.
• Collaboration: A strong team player with excellent communication skills, capable of working effectively with global teams to deliver integrated solution.
• Experience with real‑time data streaming and processing using PySpark Structured Streaming.
• Knowledge of machine learning concepts and MLOps practices, especially integrating ML workflows with PySpark.
• Familiarity with data visualization tools (Tableau, Power BI).
• Contributions to open‑source data projects.
• Strong experience with SQL and NoSQL databases (PostgreSQL, MySQL, MongoDB, Cassandra).

Preferred

• Experience with AI development tools (e.g., Copilot, Devin & Claude).
• Prior experience or a keen interest in the financial services industry.
• Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements.
• Experience of working in fast paced environment.
• Flexible and adaptive, team player.
• Excellent analytical and communication, interpersonal skills.

Education

• Bachelor’s degree/University degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Benefits

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. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.

EEO Statement

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.

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