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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.

Excellent knowledge in Core Java (J2SE) and J2EE technologies.
Hands-on experience with RESTful services, API design are must.
Knowledge of microservices architecture is must.
Knowledge of design patterns is must.
Strong knowledge in Exception handling and logging mechanism is must.
Agile scrum participation experience. Work experience with several agile teams on an application built
with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud)
environments.
Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like
JPA/Hibernate.
Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,
Bitbucket, etc.
Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
Experience in design and development of SaaS/PaaS based architecture and tenancy models.
Experience in SaaS/PaaS based application development used by a high volume of
subscribers/customers.
Awareness and understanding of data security and privacy.
Experience in performing Java Code Review using review tools like SonarQube, etc.
Good understanding of end-to-end software development lifecycle. Ability to read and understand
requirements and design documents.
Good Analytical skills and should be self-driven.
Good communication with inter-personal skills.
Open for learning new technologies and domain.
A good team player and ready to take up new challenges. Active communication and coordination with
Clients and Internal stake holder
Requirements: Skills and Qualifications
6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
Languages: Java, J2EE, and Python
Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
DB Script: SQL and PL/SQL
Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
OS: Windows, Linux/Unix.
Cloud Services: AWS and Azure
Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
Message brokers: RabbitMQ, and Kafka
Deployment Servers: Tomcat, Docker, and Kubernetes
Build Tools: Gradle/Maven

Job Description:
We are looking for a highly skilled Software Developer with 3-5 years of hands-on experience in LAMP Stack development. The ideal candidate will be responsible for developing and maintaining web applications, ensuring high performance, and collaborating with cross-functional teams to define and ship new features.
Key Responsibilities:
• Develop, maintain, and optimize web applications using LAMP Stack (Linux, Apache, MySQL, PHP)
• Design efficient, scalable, and secure backend systems.
• Collaborate with frontend developers and project stakeholders to deliver high-quality products.
• Write well-structured and testable code, following best practices in PHP.
• Troubleshoot, debug, and upgrade existing applications.
• Develop APIs and integrate third-party services.
• Manage and maintain databases using MySQL.
• Perform system and server maintenance on Linux/Unix environments.
• Use Shell scripting to automate routine tasks and deployments.
• Work with the ELK stack (Elasticsearch, Logstash, Kibana) for logging and monitoring.
Qualifications:
• BE/B.Tech in Computer Science/Information Technology/Electronics and Communications
• 3-5 years of proven experience as a Software Developer working with LAMP Stack
• Proficient in PHP, and MySQL.
• Solid experience with Linux/Unix environments, including command-line proficiency.
• Knowledge of Shell Scripting and basic system automation.
• Familiarity with ELK Stack for application monitoring and logging.
• Strong understanding of web protocols, API integration, and database optimization.
• Experience with version control systems like Git.
• Ability to work in an Agile environment and manage multiple tasks efficiently.
Nice to Have:
• Experience with other Python frameworks besides Flask.
• Knowledge of cloud platforms (AWS, Google Cloud) for deploying and scaling applications.
• Familiarity with containerisation technologies like Docker.
Benefits:
• Competitive salary and performance bonuses.
• Medical and insurance coverage.
• Opportunities for professional development and growth.
• Flexible working hours and remote working options.


2. Debugging and testing code
3. Documenting and testing new software applications
4. Researching, investigating, and fixing a wide range of technical issues
5. Collaborating with senior leaders
6. Approaching problems and creating solutions
Department: Information Systems
Reports to: Tech Lead - Regulatory Reporting IT, Product Control IT & Reference Data IT Internal Development & Support
About the Department: Information Systems
The Information Systems Department (‘ISD’) provides a full range of state of the art technology services to all departments within Mizuho International plc in London. This includes teams servicing the client-facing business units, Operations, Finance and Risk departments.
The department utilises modern delivery methodologies & techniques including Agile, Containerisation & Continuous integration.
Each team has resources to provide project management, analysis, software development, package implementation, systems integration services and application support and is expected to contribute to the change.
Primary Responsibilities
Summary
Within Regulatory Reporting, Reference Data & Product Control IT team, the developer will work towards enhancing and supporting our newly delivered financial data reference data platform, GoldenSource. This requires involvement in development and post production support project life cycle. This role will expose the individual to all business areas, including front office, settlements, custody and accounting.
This role will also involve providing 3rd Line support for any implemented solutions including incident, problem, and defect management
Specific Responsibilities
Design and development of the instrument reference data module
Conduct systems testing and support user acceptance testing
Dealing with day-to-day production problems and maintenance. This may require working shifts and/or being on-call out of normal working hours.
Adhering to Mizuho International development standards and procedures, including change control
Person Specification
Essential
Knowledge of the GoldenSource product
Experience in implementing and supporting the GoldenSource product in a financial institution
Minimum five years’ experience in Java and J2EE
Experience in using object oriented methodologies
Desirable
A broad understanding of Fixed Income, Equity and/or Futures processing through investment banking experience
Experience in using TDD/BDD agile methodology
Technical Knowledge/Skills
Essential
Experience with Publish/Subscribe messaging paradigms, distributed transaction processing based on JTA/JTS
Experience with installing, configuring and monitoring JBoss
GoldenSource Security master module
GoldenSource Customer & Counterparty module
UNIX skills in particular Linux
Excellent relational database skills, preferably ORACLE
Experience of using automated testing tools such as JUnit and mocking libraries such as jMock
Experience of working with XML based technologies such as XSLT
Desirable
Experience of Subversion, Ant, Maven and CI frameworks such as Bamboo.
Building connectors using the GoldenSource product tools
Experience of software configuration management
Experience with integration/acceptance testing frameworks such as FitNesse
WebServices
Document database experience, preferably MongoDB
Experience of Javascript on the client and Node.js
Qualifications
Degree or equivalent.
Active participant in relevant forums/external working groups.
Key Behaviors/Competencies
Operational Effectiveness and Innovation: Achieving Quality Results:
Delivering Tasks – Silver
Problem Solving – Silver
Flexibility & Drive to Improve – Silver
Risk Awareness – Silver
Enhance product Scope:
Strategic Business Management – Silver
Business Awareness – Silver
People:
Leadership – Silver
Management – Silver
Communication – Silver
Ethics and Conduct Level 1 – Silver
Ethics and Conduct Level 2 – Silver
Client Centricity – Silver
Effective Collaboration:
Team Working in Your team – Silver
Team Working With Other Teams – Silver

Required experience and skills
- Bachelors degree in Computer Science and Engineering. Bonus: Masters degree.
- 3+ years of total full-time work experience, preferably shipping SaaS applications.
- Startup experience strongly desired and comfortable wearing multiple hats.
- Proficiency in
- 1. Ruby, Ruby on Rails, Mysql, Linux, Git, AWS, CI/CD, NewRelic.
- 2. broad range of internet technologies and applications.
- Knowledge of frontend technologies and frontend development experience is prized and a plus. We use React and React Native for our web app and mobile apps respectively.
- Keep high quality performance, scalability, availability & security in mind to build, extend, and maintain web front end, mobile, and backend components of an evolving, real-time application
- Write bug free clean, elegant, testable code that scales well, and is delivered on time.
- Very curious and self driven.
Responsibilities
Your responsibilities include:
-
- Completing moderately complex projects containing some ambiguity with minimal oversight
- Troubleshooting and resolve most common production issues without assistance; being able to determine basic troubleshooting steps for uncommon production issues and occasionally contributes to on-call runbook
- Removing most blockers individually and proactively escalate or seek assistance to become unblocked quickly
About Tophatter
Tophatter is re-imagining discovery commerce in a world increasingly connected by smartphones. We are the world's fastest, most entertaining marketplace for mobile shoppers.

This includes working on:
a) The main Django application, a large, modern, Django app built using Python 3.8 and the latest Python and Django libraries;
b) The API, built using Django Rest Framework (DRF) that is used both by our web-app and client libraries to build and run data analyses;
c) Backend code that integrates our web server with the rest of our cloud architecture, including our PaaS, data science code, general integrations such as payments, devops code, and more.
Ideally, you should have experience working on Django codebases which serve both server-side rendered pages and APIs via DRF. Frontend/full-stack knowledge is a an advantage but not essential. Familiarity with modern development practices, such as CI/CD, testing, DevOps, Docker, Linux and git would be a big plus. You must have very strong familiarity with Python development, and be excited to pick up the new technologies and skills - for instance we use Python type-hints across our codebase extensively.
You should like the idea of releasing to real customers regularly, and prioritise getting a great product into users’ hands for feedback and iteration. You will have extensive scope to build and architect the backend, and to help grow the team in the future.

Skills required:
- knowledge of Linux administration and Bash,
- great overall coding experience, knowledge of algorithms, etc,
- experience with Git,
- experience with Docker.
Typical tasks would consist of writing scripts for:
- server automation,
- container deployment,
- user data migration,
- backup management.

The candidate will need to demonstrate previous experience of taking a client's requirements and translating them into technical specifications. The candidate will have to have previous examples of how he/she has worked with internal customers and technical peers.
The ideal candidate should have 3 to 5 years’ experience within a web application development environment.
Experience with PHP, HTML, CSS, MySQL, SOAP/REST, JavaScript, AJAX, etc. is a must. Following are the key area we are expecting you to have strong command on:
- Analytical Skills
- Algorithms
Responsibilities and Duties
- Development of software extensions to vTiger CRM/Drupal/WordPress and any other PHP based application
- Development of integration between CRM and ERP systems provided by Target Integration and any other system using their APIs
- Development and maintenance of code in Gitlab (In-house git server)
- Managing tickets and updating them regularly in Redmine (Project and Ticket Management Platform)
- Providing solutions to the pre-sales team on new projects
- Supporting the existing development team
Qualifications and Skills
- Coming up with ideas to help grow the team
- Data Structure
- Data Modelling Concepts
- Object-Oriented Design Principles and Concepts
- MVC – Pattern in Depth.
- Aware of Various other commonly used design patterns like Factory, Abstract Factory, etc.
- PHP, MYSQL, HTML, CSS, JS, JSON, Webservices
- Object-Oriented PHP
- SQL In general, Procedure, triggers, functions, etc.
- Query Designing.
- Thorough understanding of HTTP.
- Version Control (specifical git) and bug tracking software knowledge are important.
Benefits
- Linux system administration experience will be useful
- Experience of working on at least two of Joomla/Drupal/vTiger CRM or Sugar CRM is a must
- Strong understanding of relational database design
- Experience in creating professional-looking web interfaces using CSS and HTML
- Understanding of business processes
- Ideally, they should have worked on CRM/ERP/Accounting applications
- Excellent written and spoken communication skills
Job Type: Full-time

