Core Java - Multithreading, Exception handling, Garbage collection.
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We at opexAI strive to make business strategies and provide effective solutions to your complex business problems using AI, machine learning and cognitive computing approaches. With a 40+ years experience in analytics and a workforce of highly skilled and certified consultants, we provide a realistic approach to help you chart an optimal path to success.
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Job Title : Senior Python Developer – Product Engineering
Experience : 5 to 8 Years
Location : Pune, India (Hybrid – 3-4 days WFO, 1-2 days WFH)
Employment Type : Full-time
Commitment : Minimum 3 years (with end-of-term bonus)
Openings : 2 positions
- Junior : 3 to 5 Years
- Senior : 5 to 8 Years
Mandatory Skills : Python 3.x, REST APIs, multithreading, Celery, encryption (OpenSSL/cryptography.io), PostgreSQL/Redis, Docker/K8s, secure coding
Nice to Have : Experience with EFSS/DRM/DLP platforms, delta sync, file systems, LDAP/AD/SIEM integrations
🎯 Roles & Responsibilities :
- Design and develop backend services for DRM enforcement, file synchronization, and endpoint telemetry.
- Build scalable Python-based APIs interacting with file systems, agents, and enterprise infra.
- Implement encryption workflows, secure file handling, delta sync, and file versioning.
- Integrate with 3rd-party platforms: LDAP, AD, DLP, CASB, SIEM.
- Collaborate with DevOps to ensure high availability and performance of hybrid deployments.
- Participate in code reviews, architectural discussions, and mentor junior developers.
- Troubleshoot production issues and continuously optimize performance.
✅ Required Skills :
- 5 to 8 years of hands-on experience in Python 3.x development.
- Expertise in REST APIs, Celery, multithreading, and file I/O.
- Proficient in encryption libraries (OpenSSL, cryptography.io) and secure coding.
- Experience with PostgreSQL, Redis, SQLite, and Linux internals.
- Strong command over Docker, Kubernetes, CI/CD, and Git workflows.
- Ability to write clean, testable, and scalable code in production environments.
➕ Preferred Skills :
- Background in DRM, EFSS, DLP, or enterprise security platforms.
- Familiarity with file diffing, watermarking, or agent-based tools.
- Knowledge of compliance frameworks (GDPR, DPDP, RBI-CSF) is a plus.
Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for Mihup, its customers
and partners.
Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
Work in a startup environment, pushing boundaries with deep involvement with business.
BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1 – 2
years of experience would be in leading a team of software developers.
Expertise in Java 8+ and Spring Boot is a must
Good experience in messaging platforms like RabbitMQ/Kafka
Good experience in distributed systems and relational & NoSQL databases like PostgreSQL,
MySQL, Redis, MongoDB, etc.
Expertise in one or more of: Python, NodeJS, GoLang would be preferred
Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
Worked on microservices based architecture and design
Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
Knowledge of Docker and Kubernetes
Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture
Pluses
1. Anything that will let us know more about who you are that you would like to share such as
Blogs, Twitter, Medium, GitHub etc.
Role & Responsibilities:
-
Handle multiple products/modules simultaneously, lead the team in development and support
-
Lead development teams
-
Daily updates to customers and Product Managers/Delivery Managers
-
Participate in design discussions
-
Design and Architect small modules
-
Effort estimations for modules, subsystems or use cases.
-
Learn new skills and mentor the new team members
-
Champion best practices within the team, including code reviews
Work Experience & Skills:
-
B.E/B.Tech or any relevant Masters degree from reputed college.
-
Strong 5+ years of experience in Java, J2EE, Spring IOC, Spring Annotations, Spring, JDBC, Jquery, Java script, HTML 5 and CSS
-
Strong experience in Postgres or any SQL technology
-
Experience with working on Tomcat, Apache, JBoss or any similar application server
-
Should have 3+ years of experience in leading team.
-
Good experience in JSON / RESTful API / Web Services.
-
Experience in working on Agile methodology using Scrum and sprints
-
Experience in using build tools, Maven, GIT, Bugzilla or similar tools.
-
Experience in cloud technologies, Microservices and frameworks such as AWS or GPC,
container technologies like Docker is a plus.
-
Ability to adapt to new development environments, changing business requirements and learning new systems highly desired
-
Experience in Microservices, SpringBoot and Angular is a plus.
-
Experience with tuning deployed applications for scalability and performance.
-
Good knowledge of deployment and scripting on Linux/Unix servers
-
Strong technical documentation skills.
-
Good oral and written communication skills
Job Description:
As a L3 analyst, you will play a key role within the Application Management team, leading services for its customer(s). This service has responsibility for the smooth daily operational running of the Client platform both in the cloud and on-premises. The Client application is business critical and centrally manages data for trading, settlement, risk, client and regulatory reporting systems. As a L3 analyst, you will be responsible for supporting complex infrastructure and application issues raised by L1/L2 support teams, and business analysts. You would also be working on client requests for enhancements, fixes, maintaining custom code, and following the best practices such as Agile, DevOps, etc.
The role is a technical role requiring a good technical knowledge of SQL/PLSQ, Core Java along with good debugging skill while supporting client implementations. You should have basic understanding on Unix system and commands. The ability to troubleshoot issues, assist users and help write specifications is essential. This position also works with product management to improve the software engineering processes and practices associated with continuously building, deploying, and updating software and environments.
- Accountability and primary responsibility/duties:
- A typical day would look like as follows: -
- 40% support issues.
- 40% configuration/development work.
- 20% continuous improvement, automation, CICD, so on.
- Activities would range across the lifecycle from discovery to post-implementation support.
- Understanding client’s requirement, replicate the problem and providing the solution
- Understanding and developing new requirements coming in from BAs (Business Analysts) and customers.
- Update the existing functionality based on client needs.
- Develop changes that cater to enhancing the product and/or fixing production issues
- Prepare product releases of software components. (Java/SQL-PLSQL)
- Contribute in all phases of the development cycle. (development/Deployment/Testing, peer review)
- Create technical document for all changes made.
Required Qualifications/Knowledge/Skills
- Bachelor’s degree in Computer Science or related field
- Strong basics and working experience in following technologies: -
- Core Java.
- SQL / PLSQL coding.
- Object Oriented Programming concepts and data structures.
- Working knowledge on Unix platform
- Working knowledge on XSLT and XML handling
- Basic understanding App & web server working knowledge (JBOSS, WebLogic and WebSphere) and debugging skills.
- Advantageous to have:
- Working understanding on CICD, Dev-ops technologies.
- Queuing technologies including Kafka, MQ, Solace.
- Scripting including Python, Unix, java.
- Hands on knowledge of Dev ops processes and tools Good interpersonal and communication skills.
- Experience in Java and associated technologies Core Java, JSP, Spring, Struts,RESTful Services,SOAP,Tomcat, Hibernate, Maven
- Strong understanding of OOPS concepts
- Proficient understanding of RDBMS Concepts
- Strong understanding of Databases Oracle / MSQL / MySQL etc and PL/SQL Programming
- Experience with Hibernate and Spring.
- Experience with Springboot, spring MVC
- Experience with all phases of the Software Development Lifecycle, including system analysis, design, coding, testing, debugging and documentation
- Teamwork & collaboration skills to work across organizations
- Problem solving skills to develop quick yet sound solutions to resolve complex issues
- Programming Language(s): Java, J2EE, JSON, HTML, DHTML, HTML 5, XML, EXTJS.
- Experience with XML/HTTP and Web Services
- Experience with HTML, JSP, CSS, JQuery / Ajax / JSON,
- Experience /Knowledge of Angular, React.
- Experience building J2EE based Web Applications
- Experience with MySql.
Experience in Java 8
Experience in frameworks - Spring, Hibernate
Experience in Design Patterns
- 2+ years of experience building REST APIs with Java
- 1+ years of experience in maintaining REST APIs documentation.
- 2+ years of experience programming and delivering in a production environment
- Expertise working with data structures and algorithms
- Proficiency in object-oriented programming and experience applying modern design patterns.
Required Skills
- Proficiency in CS concepts such as Data Structures, Algorithms and Operating systems.
- More than 2 years of experience in a development Team with very good knowledge and hands-on experience using Java technologies.
- Knowledge of Java MVC Framework Spring MVC / Spring Boot.
- Good SQL and NoSQL skills
- Knowledge of/experience developing Web APIs using RESTFUL services.
- Deep expertise in at least one programming language & tech stack to write maintainable, scalable, unit-tested code - preferably Java.
Good to Have
- Strong object-oriented design skills, knowledge of design patterns, and an uncanny ability to design intuitive module and class-level interfaces.
- Participation in open source projects.
- Active involvement in solving problems on Github, Stackoverflow and similar other community groups
- Hands on experience on PubSub patterns such as Kafka / RMQ
- Experience with full life cycle development in any programming language on a Linux platform
Responsibilities and Duties
- You will translate high level business problems into scalable design and code.
- Create libraries & Utilities for larger consumption.
- Should understand and have knowledge on the application security practices/vulnerabilities.
- You will write performant, unit-tested code, develop object-oriented models and design data structure for new software projects taking systems aspects into account.
Key Skills:
1. One or more of Python/PHP/Ruby/NodeJS/Java
2. Sound object-oriented skills, including strong design patterns knowledge
2. REST APIs
3. MVC architecture
4. MySQL/PostgreSQL
5. Exp with at least 1 NoSQL databases MongoDB/Memcache/Redis/
6. Exp with search technologies Elasticsearch/Solr
7. Exp building messaging based asynchrounous systems RabbitMQ/Kafka/SQS/Celery will be added advantage
8. Exp with Django/Flask frameworks will be added advantage
9. Knowledge of software best practices like Test-Driven Development (TDD) and Continuous Integration (CI) will be added adnavtage
Requirements:
1. Developing software solutions in conjunction with Relational theory, Rest APIs and NoSQL database technologies
2. Knowledge of cloud based technologies in AWS or Azure will be added advantage
3. Understanding of RDBMS technologies like MySQL, PostgreSQL.
4. Hands-on with Version control systems (GIT, SVN) and Unix/Ubuntu.
5. Experience in requirement analysis, HLD, LLD, unit & integration testing.
6. Good hands on experience in debugging application issues
TL;DR
1) Top performer in the company
2) Has worked with product based startup company
3) Ambitious and hardworking








