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Java and Python Developer

Citi
Pune Maharashtra India Posted Oct 7, 2026
Full-timeHybrid

About this role

We are seeking a proactive, detail-oriented Software Development Engineer (C10) with strong hands-on development expertise in both Python and Java. In this role, you will be part of a collaborative, high-impact engineering team responsible for designing, developing, and enhancing scalable backend services, data pipelines, and microservices supporting mission-critical enterprise platforms.

As a C10 Applications Development Analyst, you will work across the full Software Development Life Cycle (SDLC) under Agile methodologies—participating in requirement analysis, system architecture discussions, hands-on coding, automated testing, code reviews, and production support.

Key Responsibilities

    1. Software Design & Development
  • Develop, maintain, and enhance robust, scalable backend applications using Java (Spring Boot / Core Java) and Python (FastAPI / Flask / Django / Scripting / Data Processing).

  • Build clean, secure RESTful APIs, microservices, and asynchronous event-driven integrations (e.g., Apache Kafka, RabbitMQ, or JMS).

  • Optimize application performance, throughput, memory management, and database query execution.

    1. Quality Assurance & Engineering Best Practices
  • Write clean, modular, and maintainable code adhering to enterprise coding standards and SOLID principles.

  • Develop comprehensive automated unit, integration, and component tests using frameworks such as JUnit, Mockito, PyTest, or Unittest.

  • Maintain high code coverage and resolve static code analysis findings (e.g., SonarQube, security vulnerabilities).

    1. CI/CD & DevOps Automation
  • Integrate applications with modern CI/CD pipelines (e.g., GitHub Actions, Jenkins, Tekton, Harness).

  • Containerize services using Docker and support deployments onto container orchestration platforms (e.g., Kubernetes / Red Hat OpenShift).

  • Participate in environment setup, automated deployment validation, and release management.

    1. Collaboration & Agile Delivery
  • Actively participate in Agile ceremonies including Sprint Planning, Daily Standups, Backlog Refinement, and Retrospectives.

  • Collaborate with business analysts, technical leads, UI/Frontend engineers, database administrators, and QA teams.

  • Conduct constructive peer code reviews and contribute to technical documentation (architecture diagrams, API specs in OpenAPI/Swagger).

    1. Production Support & Operational Excellence
  • Assist in triage, root cause analysis (RCA), and remediation of Level 3 production issues.

  • Monitor application health and diagnostics using observability tools (e.g., Prometheus, Grafana, Splunk, OpenTelemetry).

  • Technical Qualifications & Skill Requirements

  • Core Programming & Frameworks

  • Python: Strong proficiency in Python 3.x, data structures, asynchronous programming, scripting, and web frameworks (FastAPI, Flask, or Django) or data manipulation libraries (Pandas, NumPy).

  • Java: Solid foundational knowledge of Java 11/17+, OOP design patterns, multithreading, concurrency, collections, and the Spring / Spring Boot ecosystem (Spring MVC, Spring Data, Spring Security).

  • API & Integration

  • Practical experience designing and implementing RESTful APIs with OpenAPI/Swagger specifications.

  • Familiarity with message brokers and streaming platforms (e.g., Kafka, ActiveMQ, or IBM MQ).

  • Databases & Persistence

  • Experience with relational databases (PostgreSQL, Oracle, SQL Server, or MySQL), including schema design, indexing, and complex SQL queries.

  • Exposure to ORM frameworks (Hibernate/JPA, SQLAlchemy) and/or NoSQL datastores (MongoDB, Redis, Elasticsearch).

  • DevOps, Cloud & Tooling

  • Hands-on experience with version control tools (Git / GitHub / Bitbucket).

  • Familiarity with build tools such as Maven / Gradle (Java) and pip / poetry / uv (Python).

  • Basic understanding of Docker, Kubernetes/OpenShift, and cloud fundamentals (AWS, GCP, or Azure).

  • Knowledge of automated testing frameworks (JUnit, PyTest) and CI/CD tools.

  • Educational Background & Experience

  • Education: Bachelor’s degree in Computer Science, Computer Engineering, Information Technology, or related quantitative field (or equivalent practical experience).

  • Experience: Approximately 2-4 years of professional software engineering experience with demonstrable proficiency in both Python and Java.

  • Certifications (Optional / Plus):

  • Oracle Certified Professional: Java Programmer

  • Cloud certifications (AWS Solutions Architect/Developer Associate, Google Cloud Certified)

  • Kubernetes certifications (CKAD)

  • Professional & Behavioral Competencies

  • Analytical Problem Solving: Strong critical thinking skills with an ability to debug complex issues across hybrid Java/Python architectures.

  • Communication: Clear verbal and written technical communication skills; comfortable articulating design trade-offs to both technical and non-technical stakeholders.

  • Teamwork & Ownership: Self-driven, collaborative mindset with an emphasis on accountability, continuous learning, and adaptability in a fast-paced environment.

Education

  • Bachelor’s degree/University degree or equivalent experience

  • This job description provides a high-level review of the types of work performed. Other job-related duties may be assigned as required.

Job Family Group:

Technology------------------------------------------------------

Job Family:

Applications Development------------------------------------------------------

Time Type:

Full time------------------------------------------------------

Most Relevant Skills

Please see the requirements listed above.------------------------------------------------------

Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.------------------------------------------------------

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.

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