
Job Description:
We are seeking a highly motivated and skilled Full Stack Java Developer with strong experience in backend and frontend development, cloud deployment, and modern DevOps practices. The ideal candidate will have a solid background in Java/J2EE technologies, hands-on experience in developing microservices on AWS, and a good understanding of CI/CD pipelines and monitoring tools.
Key Responsibilities:
- Design, develop, test, and maintain scalable web applications and microservices.
- Implement backend logic using Core Java, J2EE, Spring Boot, Spring Batch, JPA, and REST APIs.
- Build responsive UIs using React, HTML, CSS, and integrate them with backend services.
- Develop and deploy microservices using AWS services like ECS, EC2, S3, API Gateway, Aurora, ALB, and Route 53.
- Participate in Agile development processes, including sprint planning, stand-ups, and retrospectives.
- Write unit and integration tests using JUnit and Cucumber.
- Monitor application performance using APM tools and analyze logs using Splunk or similar tools.
- Implement CI/CD pipelines using Jenkins, Maven/Gradle, and Git/Bitbucket.
- Work with containerization and orchestration tools like Docker and Kubernetes.
- Collaborate with cross-functional teams using tools like JIRA and Confluence.
Required Skills & Experience:
- Strong hands-on experience in Java/J2EE application development.
- Proficiency in Spring frameworks (Spring Boot, Batch) and RESTful services.
- Frontend development experience with React, HTML, CSS.
- Solid experience with AWS cloud technologies and deployment practices.
- Experience in writing and maintaining automated tests with JUnit and Cucumber.
- Knowledge of APM tools and log analysis tools (e.g., Splunk).
- Familiarity with CI/CD pipelines and tools (Jenkins, Maven/Gradle, Git).
- Experience with Docker and Kubernetes.
- Excellent problem-solving, debugging, and analytical skills.
- Good communication skills and ability to work in Agile teams.
Preferred Qualifications:
- AWS certification is a plus.
- Experience with Amazon Aurora and API Gateway in production environments.
- Knowledge of SOA, messaging systems (e.g., MQ), and security best practices.

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Job Details
- Job Title: Lead Software Engineer - Java, Python, API Development
- Industry: Global digital transformation solutions provider
- Domain - Information technology (IT)
- Experience Required: 8-10 years
- Employment Type: Full Time
- Job Location: Pune & Trivandrum/ Thiruvananthapuram
- CTC Range: Best in Industry
Job Description
Job Summary
We are seeking a Lead Software Engineer with strong hands-on expertise in Java and Python to design, build, and optimize scalable backend applications and APIs. The ideal candidate will bring deep experience in cloud technologies, large-scale data processing, and leading the design of high-performance, reliable backend systems.
Key Responsibilities
- Design, develop, and maintain backend services and APIs using Java and Python
- Build and optimize Java-based APIs for large-scale data processing
- Ensure high performance, scalability, and reliability of backend systems
- Architect and manage backend services on cloud platforms (AWS, GCP, or Azure)
- Collaborate with cross-functional teams to deliver production-ready solutions
- Lead technical design discussions and guide best practices
Requirements
- 8+ years of experience in backend software development
- Strong proficiency in Java and Python
- Proven experience building scalable APIs and data-driven applications
- Hands-on experience with cloud services and distributed systems
- Solid understanding of databases, microservices, and API performance optimization
Nice to Have
- Experience with Spring Boot, Flask, or FastAPI
- Familiarity with Docker, Kubernetes, and CI/CD pipelines
- Exposure to Kafka, Spark, or other big data tools
Skills
Java, Python, API Development, Data Processing, AWS Backend
Skills: Java, API development, Data Processing, AWS backend, Python,
Must-Haves
Java (8+ years), Python (8+ years), API Development (8+ years), Cloud Services (AWS/GCP/Azure), Database & Microservices
8+ years of experience in backend software development
Strong proficiency in Java and Python
Proven experience building scalable APIs and data-driven applications
Hands-on experience with cloud services and distributed systems
Solid understanding of databases, microservices, and API performance optimization
Mandatory Skills: Java API AND AWS
******
Notice period - 0 to 15 days only
Job stability is mandatory
Location: Pune, Trivandrum
10+ years of experience in web application design and development
• 10+ years experience with Ruby on Rails
• 5+ years of experience in Jenkins and must have an understanding of CI/CD pipelines
• Analyze, design, develop, and maintain scalable solutions.
• Participate in code review.
• Collaborate with design team to create customer friendly solutions.
• Work with the support team to fix any bugs that arise in code.
• Perform debugging and troubleshooting of existing code base. • Good knowledge of Dockers containers. • Experience with Git/GitHub/AWS DevOps. • Work within a wide range of new and legacy code and technologies in a mature codebase o Experience with React-o Experience with AWS Lambda
Nice to have: Experience with building integrations with 3rd party services/tools such as:o Experience with Sinatra Experience with WordPress, Drupal, Sitecore Experience with MongoDB
- Build applications to solve business problems in healthcare using Machine Learning techniques and software technologies
- Designing and developing machine learning models
- Running machine learning tests and experiments
- Work with the product and operations team to understand the business
requirements
- Create epics and user stories from requirements
- Prioritize the work based on the changing client requirements
Skills and Specifications:
Required Skills
- Experience in coding with Java
- Experience in working with Spring Framework
- Experience with basic API protocols
- Experience with developing, debugging and dev testing
- Decent communication skills
Nice to have
- Experience with distributed storage & Database Systems (SQL or
NoSQL, eg MySQL or MongoDB)
- Experience with production quality management, deployment &
monitoring.
- Experience with Tomcat, Nginx & Linux.
- Experience with Cloud Technologies (AWS, Azure, Oracle Cloud
etc)
- Product understanding skills.
Job Responsibilities:
* Design, build, and maintain efficient, reusable, and reliable Java code
* Ensure the best possible performance, quality, and responsiveness of the applications
* Identify bottlenecks and bugs, and devise solutions to these problems
* Help maintain code quality, organization, and automatization
* Prepare the technical design of complex technology components
Mandatory Skills:
* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java
* Solid understanding of object-oriented programming along with various design and architectural patterns
* Hands on experience with Spring, Spring Boot, JUnit
* Familiarity with concepts of MVC, Microservices, RESTful
What you'll do?
● Develop on server-side cloud software using a serverless approach (AWS).
● Work hands-on on bringing to life IoT and Edge architectures and applications
● Work with teams on delivering key features and performance targets.
Who You Are?
● Passionate individual who loves to develop scalable backend
● Strong programming capabilities
● Understanding of cloud architecture and protocols.
● Clear thought process, believe in simplifying rather than complicating
● Argue and fight over opinions. Believe in always choosing the best
You Should Have
● Experience on NoSQL Databases and designing REST API.
● Strong fundamentals of Data structure and algorithm.
● Done related projects during graduation/post-graduation.
● Experience on AWS, AWS Lambda, AWS IoT Core, AWS Cloud Watch is a big plus.
Proficiency in Python
- Interacting with and performance tuning multi-tiered application systems.
- Technically leading complex store system projects including estimating requirements, designing systems, and helping develop solutions.
- Being adaptive to the use of new software and programming techniques as they are required or adapted in IT.
- Acquiring and maintaining additional technical skills for professional development.
- Developing software solutions to meet customer needs.
- Creating and implementing the source code of new applications.
- Testing source code and debugging code.
- Evaluating existing applications and performing updates and modifications.
- Developing technical handbooks to represent the design and code of new applications.
- Being responsible for working with all levels of the business and the development team to establish, promote, and enforce architectural guidelines as well as assisting in the implementation and problem resolution of existing applications and requests.
- Ensuring work meets functionality and quality expectations within given timelines.
What you need to have:
- Experience in application development utilizing JAVA, Spring, SQL, Log4j, IOS, Web Services, JavaScript, and Oracle databases.
- Strong Knowledge of EMV/ NFC Standards
- POS development experience required
- Thorough knowledge of financial institutions, payment processing flows especially electronic payments, and the financial networks for processing.
- Must be able to command the attention and respect of highly technical associates.
- Demonstrated track record of successful system and project implementations.
- Excellent organization skills and attention to detail, including the ability to prioritize and manage a variety of complex projects and activities.
- Strong problem solving, analysis, design, and testing skills.
Job Overview:
As a Senior Software Engineer, you will work as part of a software development team and be
responsible for designing, implementing, and maintaining the back-end of fast-growing web/mobile
applications.
You could be an ideal candidate if you have a Bachelor's degree in Computer Science from a reputed
college. You need to have expert-level programming skills in Java along with experience in database
management and computer architecture. You should have experience working effectively in software
development teams ensuring tight deadlines are met. You should be passionate about writing elegant
code that solves meaningful real-life problems.
You should have already successfully built and shipped products/modules of significant complexity.
What will your role look like?
● Write well-designed, design pattern-based, testable, efficient, and high-quality code in Java.
● Design (LLD & HLD) and architect technical solutions for the business problems of a large-
scale system and support needs of growing scale.
● Prepare and produce releases of software components.
● Contribute to all phases of the development lifecycle.
Roles and Responsibilities
Who are we looking for?
● B.Tech/M.Tech/MCA degree in Computer Science, Engineering or a related subject
● 2-4 years of relevant work experience.
● Strong problem-solving skills, Computer science fundamentals, Data structures, and
Algorithms.
● Solid OOP and software design knowledge with a great understanding of Design Patterns –
you should know how to create software that’s extensible, reusable, and meets desired
architectural objectives.
● Hands-on experience in Java 8, Spring Boot, and Microservices.
● Excellent knowledge of Databases such as MySQL and MongoDB
● Hands-on experience with caching(Redis), REST APIs, SOAP APIs, JWT, Third-party API
integration, Logging(ELK), etc.
● Experience with all phases of the software development life cycle, best practices, and Agile
Software Development.
● Ability to work autonomously, be excited by new technologies, and never back down from the
challenges of scale.
Description:
For over 10 years, Zscaler has been disrupting and transforming the security industry. Our 100% purpose-built cloud platform delivers the entire gateway security stack as a service through 150 global data centers to securely connect users to their applications, regardless of device, location, or network in over 185 countries protecting over 3,900 companies and have detected 100 Million threats/day.
We work in a fast-paced, dynamic and make it happen culture. Our people are some of the brightest and passionate in the industry that thrives on being the first to solve problems. We are always looking to hire highly passionate, collaborative and humble people that want to make a difference.
About the role :
This is a senior staff backend engineer role in the engineering team that designs, implements and maintains our state of the art product IllusionBLACK. The team is responsible for designing and implementing secure, highly performant and maintainable product.
Responsibilities:
- Architect, develop and maintain high performance, fault tolerant and scalable cloud hosted service using NodeJS
- End to end responsibility to continuously create and monitor the services you build
- Help design reusable and clean API's for our frontend React app
- Guide team members with handling complex issues
- You will also be responsible for database schema design and development of migration scripts
- Experiment with new technologies and ideas and help shape our stack and processes
Requirement:
- 10+ years professional SW development experience
- All our production applications are built with either Typescript or Python. You must have a strong understanding of NodeJS express apps written in Typescript and ES6
- Must have good experience with Python
- Solid experience with databases is a must. We use and love Postgres here at Smokescreen
- You should be able to design a complex database SQL schema normalized to 3NF on the back of a napkin at 3am in the morning
- Deep understanding and working knowledge of Redis cache
- Experience with Solr or Elasticsearch is a must. We use Solr for our event analytics exclusively
- Experience with AWS, Azure or GCP is a plus. We have a large distributed application running on AWS
- Experience with Docker/Swarm is a plus
- Experience in some stream processing platforms like Kafka/Redis stream is a plus
It is India’s only B2B Construction Materials Supply Chain Company. Construction & Infrastructure is one of the industries, with the most complex problems in Supply Chain and we are fundamentally reengineering the way construction materials get procured. Our Clients include the biggest names in India & the World– The LafargeHolcim Group, JSW Group, The Tatas and many others. We are backed by some of the world’s top marquee funds in our journey to create transparency and standardization to an otherwise opaque industry.
Your responsibilities:
- Understand the business context and build high quality code using proven design patterns Develop, test and deploy integrations required to meet business requirements
- Carry out unit tests and other quality control mechanisms to inform and validate the code and design
- Utilizing and monitoring cloud infrastructure resources (such as AWS, Azure) efficiently
- Participate in a highly fluid environment applying agile software development principles
- Ensure the coding standards are on-par with the best in the industry
Educational Qualifications:
- Bachelor's or Master’s degree in a quantitative field (e.g. Mathematics, Engineering, Computer Science).
Must have skills:
- 3+ years of work experience with mobile/web development
- Experience in working with either of languages: Go, Java, Scala
- Strong understanding of relational and non-relational databases (MySQL, PostgreSQL, MongoDB, Cassandra)
- Strong understanding of Message brokers
- Must have hands on experience in Restful APIs
- Must have a strong foundation of Data structures and Algorithms
- Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems
- Ability to deploy features on a daily basis: should be good at time management and prioritization
- Hands-on experience in CI/CD principles and TDD
- Strong written and verbal English communication skills
Good to have skills:
- Experience in event-driven & asynchronous I/O frameworks
- Exposure to business process and workflow automation
- Working experience in process driven and data intensive business applications
- Experience in working on web infrastructure with React.js and React Native
Professional traits:
- Self-motivated, persistent and “Never Give Up” attitude
- Passion for innovation and adaptability to a lean startup culture
- Ability to work with minimal supervision, independently and / or as a member of a team
- Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate









