
- Develop, enhance, and maintain Java-based applications using Spring Boot and related frameworks.
- Design, implement, and optimize Microservices with RESTful APIs.
- Build and manage Spring Batch jobs, including scheduling, chunk processing, partitioning, and error handling.
- Apply object-oriented design (OOD) and GoF design patterns (Factory, Singleton, Strategy, Observer, etc.).
- Write clean, maintainable, and scalable code following best coding standards.
- Integrate applications with databases (SQL/NoSQL) and messaging systems (Kafka/RabbitMQ).
- Participate in code reviews, technical discussions, and architectural decisions.
- Troubleshoot production issues and ensure application performance, scalability, and reliability.
- Work in an Agile/Scrum environment and collaborate with cross-functional teams.
Technical Skills Required
- ** Core Java 8+**, OOP, Collections, Multithreading
- ** Spring Boot**, Spring MVC, Spring Data JPA
- ** Spring Batch** (Job/Step configuration, Tasklets, Readers/Writers, partitioning)
- ** Microservices** (REST, API Gateway, service discovery, resilience patterns)
- ** Design Patterns** (Factory, Singleton, Adapter, Strategy, Builder, Observer, etc.)
- ** Databases:** MySQL/PostgreSQL/Oracle, MongoDB (optional)
- ** Messaging:** Kafka / RabbitMQ (preferred)
- ** Build tools:** Maven/Gradle
- ** CI/CD:** Jenkins, GitLab CI, or similar
- ** Cloud:** AWS / Azure / GCP (optional but preferred)
- ** Testing:** JUnit, Mockito

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Job Title: Java Developer (Full-time)
Location: Pune (Onsite)
Experience Required: 3+ Years
Working Days: 5 Days (Mon to Fri)
Key Responsibilities:
- Design, develop, and deploy scalable microservices using Java and Spring Boot.
- Implement RESTful APIs and integrate with external systems and databases.
- Build and manage services on AWS Cloud using components like ECS, Lambda, S3, RDS,
- and API Gateway.
- Collaborate with DevOps to integrate CI/CD pipelines for automated builds, tests, and
- deployments.
- Ensure application performance, reliability, and security in a cloud-native environment.
- Participate in code reviews, troubleshooting, and performance optimization.
- Work closely with architecture, QA, and product teams to deliver high-quality solutions.
Required Skills & Experience:
- Strong proficiency in Java, Spring Boot, and microservice architecture.
- Hands-on experience with AWS Cloud services (ECS, EKS, Lambda, RDS, CloudWatch,etc.).
- Knowledge of Docker, Kubernetes, and CI/CD tools (Jenkins, GitLab, or AWS
- CodePipeline).
- Experience with REST APIs, JSON, and message brokers (Kafka, RabbitMQ, or SNS/SQS).
- Proficiency in SQL and experience with relational databases (Oracle, MySQL, or
- PostgreSQL).
- Familiarity with security best practices, monitoring, and logging in the cloud.
Company: Grey Chain AI
Location: Remote
Experience: 7+ Years
Employment Type: Full Time
About the Role
We are looking for a Senior Python AI Engineer who will lead the design, development, and delivery of production-grade GenAI and agentic AI solutions for global clients. This role requires a strong Python engineering background, experience working with foreign enterprise clients, and the ability to own delivery, guide teams, and build scalable AI systems.
You will work closely with product, engineering, and client stakeholders to deliver high-impact AI-driven platforms, intelligent agents, and LLM-powered systems.
Key Responsibilities
- Lead the design and development of Python-based AI systems, APIs, and microservices.
- Architect and build GenAI and agentic AI workflows using modern LLM frameworks.
- Own end-to-end delivery of AI projects for international clients, from requirement gathering to production deployment.
- Design and implement LLM pipelines, prompt workflows, and agent orchestration systems.
- Ensure reliability, scalability, and security of AI solutions in production.
- Mentor junior engineers and provide technical leadership to the team.
- Work closely with clients to understand business needs and translate them into robust AI solutions.
- Drive adoption of latest GenAI trends, tools, and best practices across projects.
Must-Have Technical Skills
- 7+ years of hands-on experience in Python development, building scalable backend systems.
- Strong experience with Python frameworks and libraries (FastAPI, Flask, Pydantic, SQLAlchemy, etc.).
- Solid experience working with LLMs and GenAI systems (OpenAI, Claude, Gemini, open-source models).
- Good experience with agentic AI frameworks such as LangChain, LangGraph, LlamaIndex, or similar.
- Experience designing multi-agent workflows, tool calling, and prompt pipelines.
- Strong understanding of REST APIs, microservices, and cloud-native architectures.
- Experience deploying AI solutions on AWS, Azure, or GCP.
- Knowledge of MLOps / LLMOps, model monitoring, evaluation, and logging.
- Proficiency with Git, CI/CD, and production deployment pipelines.
Leadership & Client-Facing Experience
- Proven experience leading engineering teams or acting as a technical lead.
- Strong experience working directly with foreign or enterprise clients.
- Ability to gather requirements, propose solutions, and own delivery outcomes.
- Comfortable presenting technical concepts to non-technical stakeholders.
What We Look For
- Excellent communication, comprehension, and presentation skills.
- High level of ownership, accountability, and reliability.
- Self-driven professional who can operate independently in a remote setup.
- Strong problem-solving mindset and attention to detail.
- Passion for GenAI, agentic systems, and emerging AI trends.
Why Grey Chain AI
Grey Chain AI is a Generative AI-as-a-Service and Digital Transformation company trusted by global brands such as UNICEF, BOSE, KFINTECH, WHO, and Fortune 500 companies. We build real-world, production-ready AI systems that drive business impact across industries like BFSI, Non-profits, Retail, and Consulting.
Here, you won’t just experiment with AI — you will build, deploy, and scale it for the real world.
Requirements
- 2+ years of experience in the Development of JAVA technology.
- Strong Java Basics
- Linux
- SpringBoot or Spring MVC
- Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
- Proficient in REST API development
- Messaging Queue (RabitMQ or Kafka)
- Microservices
- Java 8
- Any Caching Mechanism
- Good at problem-solving
Good to Have Skills:
- 2+ years of experience in using Java/J2EE tech stacks
- Good understanding of data structures and algorithms.
- Excellent analytical and problem-solving skills.
- Ability to work in a fast-paced internet start-up environment.
- Experience in technical mentorship/coaching is highly desirable.
- Understanding AI/ML algorithms is a plus.
Key roles:
· Develop backend application with clean code practices foe the application
· Collaborate with frontend developers to integrate user-facing elements with server side logic
· Troubleshoot and debug application
· Gather and address technical and design requirements
· Build reusable code and libraries for future user-facing
· Communicate with other third-party team for collaborations
Skillset:
· Core Java - Hands on experience with Jdk 11 and above
· Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab
· Microservice architecture - Rest API calls, inter-service exception handling
· Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing
· Springboot framework - Spring Data JPA, ORM
· Event driven architecture - Kafka
· Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas
Qualifications:
· UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization
· PG: Any Postgraduate
Key Responsibilities
- Back-end Implementation: Authorization, Authentication, Modular design
- Application Development: Documentation, code quality, Unit Testing, Optimization, Bug fixing.)
- Back-end Operations (build tools, deployment, speed: (app, tests, builds, deploys), monitoring errors/logs, and stability).
- Review the created data model & ask any necessary clarifying questions before starting on work
- Write API code to implement the action on visual elements.
- Develop Json Web Services and Web applications.
- Create prototypes and staging sites for review and feedback
- Optimize websites and applications to ensure fast loading speeds
- Maintain websites and implement any necessary additions or enhancements
- Identify and troubleshoot various website issues and coding problems
- Collaborate with members of the website team, including designers and front-end developers, to consistently improve functionality and user-friendliness of web applications
- Maintain updated knowledge of the development industry and any advancements in technology
- Meet tight deadlines as required
- Knowledge of the common application/web security and OWASP vulnerabilities.
- Knowledge of the encryption algorithms to protect sensitive information.
- Knowledge of PII, PCI, HIPPA, and GDPR compliance and how to implement.
- Understanding of security breaches of data-in-transit and data-at-rest and knowledge in implementation for both.
- Knowledge/Aware of finding the vulnerabilities of the third-party components/libraries used in the application and remediating vulnerabilities.
Technical Skills: Java,Spring boot, Rest API, Json, JPA and/or Hibernate, SQL, AWSDatabase : MySQL, PostgreSQL, SQL Server, MongoDBOther : Tomcat, Eclipse, Oauth, JWT, Git.
Profile: Java developer (2-4 years) - Noida
MUST Have: Core Java, data structure
NP: Immediate to 30 Days
Salary : Upto 9 LPA
MUST Haves: Java 1.8, Core Java, Data structure
Requirements:
- Java 1.8 version with Collections, Multithreading working knowledge –(Mandatory)
- Data Structures, BPM-Alfresco & Groovy
Responsibilities:
- Develop back-end server that includes business logic linked to various data storage solutions including database.
- Design back-end server system by using technology appropriate for server environment.
- Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.
Requirements:
- Excellent Programming Skills.
- Strong problem-solving abilities.
- Analytical skills, and troubleshooting.
- Good understanding of algorithms, data structures, and performance optimization methods.
- Hands-on with Design, Coding, Debugging, and Testing.
- Excellent Communication & Interpersonal Skills, Team Player.
Programming Skills:
- C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
- Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
- Fast Data Processing - Storm - Rules Engine - Drools.
You’ll be our: Application Developer
You’ll be based at: IBC Knowledge Park, Bengaluru
You’ll be Aligned with: Application Development Lead
You’ll be the member of:VehicleSoftware Team
What you’ll do at Ather:
-
You will be developing the various Applications for the cloud to process data connecting with the vehicle
-
You shall work with the Lead and product team to define and deliver features.
-
Be part of the Agile team, to define Sprint work content definition.
-
Work with cross functional teams to drive overall feature delivery.
-
Be part of the initiatives that achieve the functional requirements of the team. Explore technical feasibility of solutions, propose and evaluate tech stacks.
-
Performance tuning and benchmarking of the features
Here’s what we are looking for:
-
Strong knowledge and Hands on experience with Nodejs, RestAPI, Java Script, Java Development experience in cloud based infrastructure
-
Strong fundamentals in any fullstack of your choice, OOPS concepts, Google Cloud Platform. Knowledge of Java, React, React Native, Android Native , HTML5, Firebase and Go Programming is a plus.
-
Knowledge on CI/CD pipelines, JIRA, UML, Static Code Analysis tools and Unit test framework is required
-
Knowledge on the S/W communication protocols like gRPC, HTTP, MQTT is a plus Cross platform development experience would be needed.
-
Knowledge of Cloud Based solutions would be a plus.
-
App development for a product which is beyond a mobile platform would be a plus. Experience with Telematics/Infotainment projects would be a great advantage.
-
Strong experience with Agile methodology, along with tools such as JIRA, Confluence.
-
Flashing and debugging tools experience is a plus.
You bring to Ather:
-
Bachelor’s/Master’s in computer science or any other equivalent degree
We are looking for a highly motivated developer with at least 1+ years of strong hands-on experience in Java to join our startup. You would be playing a pivotal role in contributing to the initial tech stack. You would be further responsible for designing and implementing product requirements that are highly usable, scalable, extensible, and maintainable. You should be comfortable working across different technologies/frameworks that we work on - Microservices, Java, Spring, Spring Boot, MySQL, Kubernetes, AWS.
Responsibilities and Duties:
- Design and build scalable REST APIs on Spring Boot
- Develop, test, tune for performance and deploy microservices
- Collaborate with the team, optimize and refactor the back-end architecture
- Maintain high standards of quality for code, documentation and other deliverables
- Active cross-team coordination would be expected
What are we looking for?
- 1+ year experience in Core Java & backend technologies
- Good working knowledge of design patterns & OOAD
- Excellent analytical and problem-solving skills
- The skills that we consider: Java, MySQL/RDS, Spring/ Play, Maven, Redis, Kafka/SQS, Elasticsearch, AWS
- Experience in micro-services
- Previously worked in a startup










