Java Developer

At BigThinkCode, our technology solves complex problems. We are looking for a talented problem solver with middleware and backend development expertise to join our technology team at Chennai.

Must have skills:

• Event drive architecture (EDA) microservices project experience MUST
• Any programming: Typescript or nodeJS or Python or Java or Golang
• Hands on experience using Middleware like e.g., Apache Kafka or RabbitMQ or Redis.
• Aware about Asynchronous and Loose Coupling.
• Familiar with API’s gateway and microservice design patterns.

Below job description for your reference, if interested share your profile to connect and discuss.

Company: BigThinkCode Technologies

URL: https://www.bigthinkcode.com/

Role: Senor software engineer (backend, middleware)

Experience required: 3–6 years

Work location: Chennai

Joining time: Immediate – 4 weeks

Work Mode: Work from office (Hybrid)

About the Role:

Scalable Systems & AI Integration – We are looking for a talented Senior Software Engineer to join our team and lead the development of high-performance, distributed systems. This role is ideal for an engineer who thrives in fast-paced environments, enjoys tackling complex data challenges, and is eager to bridge the gap between traditional microservices and modern Agentic AI workflows.

Key Responsibilities:

• Architect & Build: Design and implement highly scalable microservices capable of processing massive data volumes with low latency.
• Event-Driven Systems: Develop robust, asynchronous communication patterns using event-driven architecture to ensure system resilience and decoupling.
• AI Integration: Lead the integration of Large Language Models (LLMs) and Agentic AI workflows into existing enterprise applications to enhance automation and intelligence.
• Database Management: Optimize data storage and retrieval strategies; leverage MongoDB and explore/implement Graph Databases (e.g., Neo4j, Google Spanner) for complex relationship mapping.
• Deployment & Scaling: Containerize applications using Docker and manage deployments within Kubernetes (K8s) environments.
• Collaboration: Work closely with cross-functional teams to adapt to a rapidly evolving tech stack and translate business requirements into technical reality.

Core Requirements:

• Scalable Systems: Proven track record of building and maintaining production-grade systems handling high throughput and large datasets.
• Microservices: Good understanding of microservice design patterns, API gateways.
• Event-Driven Architecture: Strong experience with message brokers (e.g., Kafka, RabbitMQ, or Redis).
• Programming: While we are open to various backgrounds, the Node.js/MongoDB stack is our primary environment.

Why Join Us:

• Collaborative work environment.
• Exposure to modern tools and scalable application architectures.
• Medical cover for employee and eligible dependents.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Competency development training programs.

• Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker
•  Experience in the development of scalable and extensible systems using Java
•  Proficiency in Database technology such as MySQL, Oracle, and MongoDB
• Routines Sync & Async
• Solid and fluent understanding of algorithms and data structures
• Excellent software design, problem-solving and debugging skills
• Demonstrated high ownership in previous projects
• Excellent Communication Skills"

Work With Us

Get To Know Us First!

Freecharge a subsidiary of Axis Bank Limited founded in 2010, is a Fin-Tech organisation revolutionizing Financial Products through technology.

At our core, we’re a creative company. Ideas and pixels is where we live and we love building magical products that make our users feel ‘wow’. At Freecharge, you'll have the chance to do the best work of your life. We’re on a journey to build something new, something different and something innovative & that requires passion to build such incredible products.

Come join us and shape the future of Fin-Tech.

Do You Make The Cut?

We are looking for a motivated developer to join our agile team of developers as a Lead to mentor and as an individual contributor to drive best practices in the product.

You will be responsible for the design, architecture, and delivery of a feature/product with the highest quality. Providing the product with visible benefit to end-users in an iterative fast-paced environment by creating solutions suitable for the job in real-time.

Title: Lead SDE (Backend)

Location: Gurugram

Experience: 3-7 Yrs.

Education: Bachelor’s / Master’s in Software Engineering

Responsibilities

• In this lead role, you will be designing and developing complex software systems that have been successfully delivered to customers.
• Ensure the quality of design of systems by serving as a technical lead on our most demanding, cross-functional teams
• Build reusable code and libraries for future use.
• Build highly available, high performance, scalable software and you will work on distributed systems for massive-scale systems
• Responsible for code quality of the product being developed along with unit and integration testing.
• Mentor junior developers to improve their skills, and make them more effective, product software engineers.
• Communicate with technical teams, and senior management to collect requirements, describe software product features, technical designs, and product strategy.

Sounds Like You?

• 4+ years of software development experience with Enterprise Java (JDK 8 and above), Spring (Boot, MVC, AOP, DI), ORM Frameworks.
• 1+ years of experience contributing to the architecture and design (LLD, HLD, Solid principles and design patterns and scaling) of new and current systems.
• Strong experience in technically leading junior developers with a focus on the goal.
• Strong experience in data structures & algorithms and their space & time complexities.
• Solid understanding of multithreading, microservices, MVC and strong OO skills with demonstrated experience in developing complex and reusable APIs.
• Strong experience working with Databases like SQL & NoSQL.
• Experience working with microservices-based architecture.
• Experience in high traffic, highly scalable distributed system designs, complex web applications, and code reviews.
• Experience working in an Agile environment.
• Solid understanding of the full software development life cycle and the domain.
• Good to have knowledge of messaging systems like SNS/ SQS /Kafka etc.

Life at Freecharge!

Our Playground!

• 450+ FCian’s, at Gurugram & Bengaluru locations
• Collaboration spaces & A flat and transparent culture
• Wow Corners, fun & reading Zone
• Best learning and development opportunities

Benefits

• Day-care facility
• Comprehensive Insurance Policy
• Wellness Benefits like Health check-ins
• 26 Weeks Maternity & 2 Weeks Paternity Leaves
• Adoption Assistance Program
• On-Site Parking at all locations
• A chance to have a big impact early in your career

ARE YOU READY?

TO

#ChargeYourFuture

About Klevu:

Klevu is a discovery experience suite that revolutionises online shopping. It provides a range of SaaS based solutions, that are deep rooted in AI-ML technology and delivered via cloud for online retailers. Klevu is a global Finnish company that prides in diversity, great team, excellent partner network and global customer footprint. Learn more from www.klevu.com

Experience: 5+ years

Location: Ahmedabad, Gujarat

Responsibilities:

• Build, scale and maintain various services on the Klevu platform
• Design and develop solutions for business needs on the Klevu platform

Must have skills:

• 4+ years on experience with Java
• Experience in Web application development on Spring framework
• Experience working with database technologies – RDBMS or NoSQL
• Ability to communicate effectively within and outside the engineering team
• Familiar with agile software development process

Nice to haves:

• Experience in Hibernate, MySql, Redis, ActiveMQ or Kafka
• Experience in UI Frameworks like Jquery, React, Angular or equivalent
• Experience in REST API development
• Experience in debugging issues and checking production logs
• Experience working in eCommerce and/or SAAS startups
• Experience working with microservices architecture

What we offer:

• Being part of one of the most exciting search technology company from Nordics with global footprints
• Work with a team in 3 continents (North America, Europe, Asia)
• Excellent work culture, hands-on, result oriented
• Good salary and flexible hours

• Design and build user-facing products, owning the entire process from gathering functional requirements from teams, through testing and staging, to deploying in a Python based stack
• Guide the team in making technical trade-offs
• Proactively identify bottlenecks, areas for improvement and put forth a plan to course-correct
• Design and implement maintainable backend services, including data processing pipelines, APIs and internal tools
• Coordinating with internal teams to understand user requirements and provide technical solutions

• Degree in Computer Science (BS/MS), related technical field or equivalent practical experience
• 8+ years of industry experience in product development
• Experience in coaching and mentoring team members
• Must own a specific component of the product. Gathering requirements by working with product management. Working closely with development managers in defining external product interfaces
• Must have excellent written and verbal communication skills. Must articulate various design approaches and design decisions clearly - within the team and across the teams.
• Must work with QA engineers to devise proper test constructs - unit testing and integration tests.

Job Description

Required Skills: 

• Demonstrated and strong experience with Java Development (1.8 and above), Spring Boot, ability to design API and RESTful services, and an understanding of transactions
• Strong experience writing Microservices using Java 1.8 and above.
• Good Experience in Behavior Driven Design ( Cucumber , Gherkin ).
• Data design experience in application, noSQL, familiarity with modern technology and architecture (cloud, virtualization, object stores, etc.), and experience with SDLC tools and agile development methodology
• Experience with Angular JS preferred.
• Experience with spring cloud , swagger and devOps tools preferred
• Experience in Domain Driven Design preferred.
• Experience with Mulesoft preferred.
• Experience in SAFe Agile methodology preferred.
• Experience in building presentation layers using Front-end technologies
• Good problem solving skills and strong analytical skills.
• Ability to lead technology initiatives, develop reports, dashboards, and processes to continuously monitor data quality and integrity, an ability to interpret system / business requirements and prepare specification and design document.

Desired Skills:

• Java, J2EE, JDBC , EJB, Servlets,, Messaging Platform, Agile waterfall

Responsibilities

· Excellent knowledge of Core Java and Spring

· Candidate should have a working knowledge of web services

· Should have worked in the distributed agile model and continuous integration

· Should have knowledge of designing and implementation of REST Web services

· Strong experience with REST API and web services

· Should be efficient with Java J2EE and related technologies.

Essential Requirements

· Strong Core Java and spring.

· Strong RESTFUL web service experience

· Strong SQL (preferably Oracle), JQuery, HTML/CSS, Oracle Restful, SOAP web services

· B. Tech/M. Tech from Tier-1 colleges like IIT, NIT, VIT, BIT

Primary Skill: Java, spring & RESTFUL Web services,