Java Developer

Role Overview

We are seeking a Junior Developer with 1-3 year’s experience with strong foundations in Python, databases, and AI technologies. The ideal candidate will support the development of AI-powered solutions, focusing on LLM integration, prompt engineering, and database-driven workflows. This is a hands-on role with opportunities to learn and grow into advanced AI engineering responsibilities.

Key Responsibilities

• Develop, test, and maintain Python-based applications and APIs.
• Design and optimize prompts for Large Language Models (LLMs) to improve accuracy and performance.
• Work with JSON-based data structures for request/response handling.
• Integrate and manage PostgreSQL (pgSQL) databases, including writing queries and handling data pipelines.
• Collaborate with the product and AI teams to implement new features.
• Debug, troubleshoot, and optimize performance of applications and workflows.
• Stay updated on advancements in LLMs, AI frameworks, and generative AI tools.

Required Skills & Qualifications

• Strong knowledge of Python (scripting, APIs, data handling).
• Basic understanding of Large Language Models (LLMs) and prompt engineering techniques.
• Experience with JSON data parsing and transformations.
• Familiarity with PostgreSQL or other relational databases.
• Ability to write clean, maintainable, and well-documented code.
• Strong problem-solving skills and eagerness to learn.
• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent practical experience).

Nice-to-Have (Preferred)

• Exposure to AI/ML frameworks (e.g., LangChain, Hugging Face, OpenAI APIs).
• Experience working in startups or fast-paced environments.
• Familiarity with version control (Git/GitHub) and cloud platforms (AWS, GCP, or Azure).

What We Offer

• Opportunity to work on cutting-edge AI applications in permitting & compliance.
• Collaborative, growth-focused, and innovation-driven work culture.
• Mentorship and learning opportunities in AI/LLM development.
• Competitive compensation with performance-based growth.

Java/Python Developer(60% Java - 40% Python) - Mid Level Hands On Strong Developer

- 3 Years to 5 Years - Level 2

- 5 Years to 7 Years - Level 3

Location - Mumbai Commerz3 Office Only

He/She candidate must possess a strong technology background with advanced knowledge of Java

and Python based technology stack.

Java, J2EE, Spring MVC, Python, JPA, Spring Boot, REST API, Database, Playwright, CI/CD pipelines

. At least 3 years of Hand-on Java EE and Core Java experience with strong leadership qualities.

. Experience with Web Service development, REST and Services Oriented Architecture.

. Expertise in Object Oriented Design, Design patterns, Architecture and Application Integration.

· Working knowledge of Databases including Design, SQL proficiency.

. Strong experience with frameworks used for development and automated testing like SpringBoot, Junit, BDD etc.

. Experience with Unix/Linux Operating System and Basic Linux Commands.

. Strong development skills with ability to understand technical design and translate the same into workable solution.

. Basic knowledge of Python and Hand-on experience on Python scripting

. Build, deploy, and monitor applications using CI/CD pipelines.

7+ years of experience with Design, development & architecture.

• Experience in software development with minimum 3 plus years of architecture experience.
• Experience in Core JAVA 8
• Experience in Java J2EE, Microservices
• Experience in Java - Spring, Java - SpringBoot, GCP , Hibernate,JDBC
• Experience in Multi-threading, Performance and Scaling is a plus
• Have used the RDBMS and NoSQL databases like MySQL/Oracle, MongoDB, Cassandra, Neo4J Risk for production ready software’s
• Cloud Native application design experience is a plus
• CICD – Release Pipeline experience
• Experience in application of principles of Architecture Design
• Experience building large scale, high performance distributed systems
• Strong understanding of modern development techniques and processes such as Dev Ops /Cloud
• Promoter of Agile/Scrum, TDD and CI/CD best practices
• Analyzes, designs, programs, debugs and modifies software enhancements and/or new products used in local, networked or Internet-related computer programs. (Code must be used in core version of applications available for sale commercially.)
• Interacts with Delivery managers and/or users to define system requirements and/or necessary modifications.
• Participates in software design meetings and analyzes user needs to determine technical requirements.
• Write technical specifications based on conceptual design and stated business requirements.
• Writes code, completes programming and performs testing and debugging of applications using current programming languages and technologies.
• Completes documentation and procedures for installation and maintenance.
• Trains and communicates with internal Client Training, Client Relationship and Sales teams on systems application.
• May be responsible for developing or executing project plans, budgets and schedules and for documenting work and results.
• May deliver informational and decision-seeking presentations to technical and business groups to internal and/or external audiences.

Primary responsibilities:

• Architect, Design and Build high performance Search systems for personalization, optimization, and targeting
• Designing systems with Solr, Akka, Cassandra, Kafka
• Algorithmic development with primary focus Machine Learning
• Working with rapid and innovative development methodologies like: Kanban, Continuous Integration and Daily deployments
• Participation in design and code reviews and recommend improvements
• Unit testing with JUnit, Performance testing and tuning
• Coordination with internal and external teams
• Mentoring junior engineers
• Participate in Product roadmap and Prioritization discussions and decisions
• Evangelize the solution with Professional services and Customer Success teams

Minimum requirements:

• Tech/M.Tech in computer Engineering or related fields or MCA
• At least 10-14 years of software development experience
• Expert in Java, Scala or any other object oriented language
• Proficient in SQL concepts (HiveQL or Postgres a plus)
• Additional language skills for scripting and rapid application development

Desired skills and experience:

• Working with large data sets in the PBs
• Familiarity with UNIX (systems skills a plus)
• Working experience in Solr, Cassandra, and Kafka
• Working in a distributed environment and has dealt with challenges around scaling and performance
• Working with distributed teams across multiple locations

We’re looking for a Senior Backend Engineer to help us build the tools, services, and applications that will enable us to be the planet’s most patient-focused pharmacy. You will work on projects ranging from greenfield initiatives to matured products with an active user base. 

• Collaborate with engineering team to design and implement products using event driven micro-services architecture.
• Interact with Product Managers and key stake-holders on regular basis to understand and execute Product vision.
• Take charge of end-to-end feature development, right from proof-of-concept to production deployment and support
• Brainstorm and lead continuous improvement projects for product
• Providing feedback to peer developers on code quality and development standards.
• Mentoring team on strong coding and design standards.
• Setting the bar high for development practises while striking the right balance between pragmatism and perfection for code and processes.
• Effectively document API's and services using Swagger/OpenAPI, visualize flow and dependencies using diagrams, and create technical documents on engineering wikis.
• Present crisp and clear feature demos to stakeholders.

Some of our opensource projects- https://meet.google.com/linkredirect?authuser=0&;dest=https%3A%2F%2Fgithub.com%2Fmedly">https://github.com/medly

We don’t expect anybody to be an expert on all of these, but you should be deeply familiar with some, and a self-starting learner who isn’t afraid to ask for help:

• Polyglot Development (at least 1 more lang apart from Java and JavaScript)
• At least one JVM language
• Functional Programming, 
• OO Design, Clean Code, SOLID principles
• Solid grasp on HTTP, and REST
• Web based SaaS product development
• Deployment to AWS or any cloud
• Test Driven Development, 
• Security Compliance like HIPAA, PCI-DSS, SOC2
• Git, Linux, CI/CD, Gradle, IDEA
• Security based on OAuth2 / OIDC
• SQL and NoSQL DBs like PostgreSQL, DynamoDB, ElasticSearch
• Docker
• SQL Migration tools like Liquibase, Flyway
• Semantic Versioning, Feature Toggles, PR, Feature Branches

• 3+ Years of experience mainly on Backend Development using any two languages (Java, Kotlin, NodeJS, Ruby etc.)
• Minimum a bachelor degree in Computer Science, Engineering or any related field.

• Develop service/APIs using Kotlin/Micronaut Node/Serverless
• Aurora Serverless PostgreSQL DB
• AWS, Lambda, API Gateway, Amplify, Cognito, Okta
• Github, Github Actions, SonarCloud
• Database versioning using tools like Liquibase
• Terraform to manage infra
• Cloudwatch/AWS X-Ray to monitor the infra
• Opportunity to make Open Source Contribution

JD:

Your role will include:

• Writing and testing your code, innovating and contributing towards increasing the value delivered by your team.
• Setting a high bar through your design, development, analysis and deployment activities
• Understanding and participating in evolving the architecture of our products.
• Keeping up-to-date with new technologies, best practices, and work on optimizing the tooling and automation.
• Understanding the latest development and engineering paradigms like Scrum/Agile/TDD/BDD/DDD etc.

You have experience with the following:

• Strong experience of leading and being part of technical teams preferably following agile methodology.
• Strong technical background with ability to provide technical guidance to other team members.
• Knowledge of microservices and must have experience of implementing a few microservices by the least.
• Knowledge of API driven platform development & Software Integration.
• You have hands-on experience in building secure, high-performing and scalable systems in Java.
• Exposure to JVM based languages like Java, Scala, Clojure.