Experienced software engineer java / python (full stack or back end) Jobs

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IN_Senior Associate_QA Automation Engineer_GCC_Advisory_Bangalore
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Senior Software Engineer

Epsilon -
Bengaluru, Karnataka

Apply Now

Job details

Full-time

Qualifications

CI/CD
Performance tuning
Azure
Computer Science
Kubernetes
Enterprise Software
Spark
System design
Java
Master's degree
Microservices
OOP
AWS
Docker
Bachelor's degree
Machine learning
Distributed systems
Continuous integration
REST
Angular
Scrum
Software development
APIs
Agile
AI
Python
Design patterns

Full job description

Overview
About Business Unit:
The Product team forms the crux of our powerful platforms and helps connect millions of customers worldwide with the brands that matter most to them. This team of innovative problem solvers develops and builds products that position Epsilon as a differentiator, encouraging an open and balanced marketplace built on respect for individuals, where every brand interaction holds value. Our full-cycle product engineering and data teams chart the future and set new benchmarks for our products, by using industry standard methodologies and sophisticated capabilities in data, machine learning, and artificial intelligence. Driven by a passion for delivering smart end-to-end solutions, this team plays a key role in Epsilon's success story.

We are looking for a highly experienced
Senior Software Engineer (7-10 years) to design, build, and scale robust backend systems using
Java and Python in an Agile environment.

This role has a strong emphasis on
spec-driven AI-assisted development, where engineers use clear technical specifications and modern AI coding tools such as
Cursor, Claude Code, and Kiro to accelerate development while maintaining high engineering rigor and production quality.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice.

Responsibilities

Design, develop, and maintain scalable backend services using
Java and Python
Apply
spec-driven AI-assisted development as a core development practice, including:
- Translating detailed functional and technical specifications into high-quality code using AI tools
- AI-assisted code generation, refactoring, and optimization with strong human validation
- Prompt-driven development aligned to explicit design and acceptance criteria
- Intelligent debugging, test generation, and code reviews using tools like
  Cursor, Claude Code, and Kiro
Build and integrate
RAG-based solutions and
Agentic AI workflows into enterprise systems
Lead system design and architecture discussions
Ensure high code quality through reviews, testing, and engineering protocols
Collaborate with product, data, platform, and multi-functional teams
Own and resolve complex production issues

Qualifications

7-10 years of hands-on software development experience
Strong expertise in
Java and Python
Mandatory experience with spec driven AI-assisted development
Practical, day-to-day usage of AI coding tools such as
Cursor, Claude Code, and similar platforms
Ability to validate, refine, and productionize AI-generated code against explicit specifications
Mandatory hands-on experience with:
- RAG (Retrieval-Augmented Generation) architectures
- Agentic AI systems (tool-using agents, orchestration, multi-step reasoning workflows)
Strong fundamentals in:
- Data Structures & Algorithms
- Object-Oriented Programming
- Design Patterns and System Design
Experience building and operating backend systems in production
Solid understanding of REST APIs, microservices, and distributed systems
Experience working in Agile / Scrum teams

Good to Have

Frontend exposure using
Angular or similar frameworks
Experience with
Databricks, Spark, or large-scale data processing
Cloud platforms (
AWS / Azure / GCP) and DevOps practices
CI/CD pipelines, Docker, Kubernetes
Observability, monitoring, and performance tuning experience

Education

Bachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent practical experience)

Additional Information
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we've provided marketers from the world's leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon's comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.
Collaboration: We work together, support one another, and collectively achieve goals.
Growth: There are endless opportunities for growth through learning, development and career advancement.
Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.
Flexibility: We've created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

Act with integrity
Work together to win together
Innovate with purpose
Respect all voices
Empower with accountability

These pillars and values are our foundation-shaping our culture, guiding our decisions, and uniting us in common purpose.

Epsilon is an Equal Opportunity Employer.
Epsilon is committed to promoting diversity, inclusion, and equal employment opportunities by using reasonable efforts to attract, recruit, engage and retain qualified individuals of all ethnicities and backgrounds, including, but not limited to, women, people of color, LGBTQ individuals, people with disabilities and any other underrepresented groups, traits or characteristics.

Apply Now

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