
Java Backend Developer with Production Support (L2)
Core Technical Skills
- Strong in Core Java, Java 8, OOPs
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA
- Experience in Microservices Architecture & REST API development
- Good knowledge of SQL databases (MySQL / SQL Server / PostgreSQL)
- Experience with AWS services (Lambda, S3, DynamoDB, EC2)
- Familiarity with Kafka / Event-driven architecture (good to have)
- Knowledge of Spring Security, JWT, OAuth 2.0
- Experience with Docker, Jenkins, Git
🔧 Development Responsibilities
- Design and develop scalable REST APIs and microservices
- Work on backend systems handling large data and real-time processing
- Optimize database queries, performance, and indexing
- Collaborate with cross-functional teams for end-to-end delivery
🛠️ Support (L2) Responsibilities
- Handle production issues, bug fixing, and root cause analysis
- Provide post-deployment and migration support
- Troubleshoot performance issues, DB deadlocks, and API failures
- Work on incident resolution and system stability improvements
- Coordinate with L1/support teams (if applicable)

About Zenius IT Services Pvt Ltd
About
At Zenius IT Services, we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
Candid answers by the company
we specialize in delivering top-tier Professional Services for industry-leading platforms such as Avaya, Cisco, Genesys, Amazon Connect, Five9, and NICE inContact.
Our expertise extends to Digital Engineering Solutions powered by AI and Machine Learning, helping businesses drive innovation and achieve excellence.
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We are looking for a Staff Engineer - Python to join one of our engineering teams at our office in Hyderabad.
What would you do?
- Own end-to-end delivery of backend projects from requirements and LLDs to production.
- Lead technical design and execution, ensuring scalability, reliability, and code quality.
- Build and integrate chatbot and AI-driven workflows with third-party systems.
- Diagnose and resolve complex performance and production issues.
- Drive testing, documentation, and engineering best practices.
- Mentor engineers and act as the primary technical point of contact for the project/client.
Who Should Apply?
- 5+ years of hands-on experience building backend systems in Python.
- Proficiency in building web-based applications using Django or similar frameworks.
- In-depth knowledge of the Python stack and API-first system design.
- Experience working with SQL and NoSQL databases including PostgreSQL/MySQL, MongoDB, ElasticSearch, or key-value stores.
- Strong experience owning design, delivery, and technical decision-making.
- Proven ability to lead and mentor engineers through reviews and execution.
- Clear communicator with a high-ownership, delivery-focused mindset.
Nice to Have
- Experience contributing to system-level design discussions.
- Prior exposure to AI/LLM-based systems or conversational platforms.
- Experience working directly with clients or external stakeholders.
- Background in fast-paced product or service environments.
Job Description:
We are looking for a Lead Java Developer – Backend with a strong foundation in software engineering and hands-on experience in designing and building scalable, high-performance backend systems. You’ll be working within our Digital Engineering Studios on impactful and transformative projects in a fast-paced environment.
Key Responsibilities:
- Lead and mentor backend development teams.
- Design and develop scalable backend applications using Java and Spring Boot.
- Ensure high standards of code quality through best practices such as SOLID principles and clean code.
- Participate in pair programming, code reviews, and continuous integration processes.
- Drive Agile, Lean, and Continuous Delivery practices like TDD, BDD, and CI/CD.
- Collaborate with cross-functional teams and clients for successful delivery.
Required Skills & Experience:
- 9–12+ years of experience in backend development (Up to 17 years may be considered).
- Strong programming skills in Java and backend frameworks such as Spring Boot.
- Experience in designing and building large-scale, custom-built, scalable applications.
- Sound understanding of Object-Oriented Design (OOD) and SOLID principles.
- Hands-on experience with Agile methodologies, TDD/BDD, CI/CD pipelines.
- Familiarity with DevOps practices, Docker, Kubernetes, and Infrastructure as Code.
- Good understanding of cloud technologies – especially AWS, and exposure to GCP or Azure.
- Experience working in a product engineering environment is a plus.
- Startup experience or working in fast-paced, high-impact teams is highly desirable.
Azure DE
Primary Responsibilities -
- Create and maintain data storage solutions including Azure SQL Database, Azure Data Lake, and Azure Blob Storage.
- Design, implement, and maintain data pipelines for data ingestion, processing, and transformation in Azure Create data models for analytics purposes
- Utilizing Azure Data Factory or comparable technologies, create and maintain ETL (Extract, Transform, Load) operations
- Use Azure Data Factory and Databricks to assemble large, complex data sets
- Implementing data validation and cleansing procedures will ensure the quality, integrity, and dependability of the data.
- Ensure data security and compliance
- Collaborate with data engineers, and other stakeholders to understand requirements and translate them into scalable and reliable data platform architectures
Required skills:
- Blend of technical expertise, analytical problem-solving, and collaboration with cross-functional teams
- Azure DevOps
- Apache Spark, Python
- SQL proficiency
- Azure Databricks knowledge
- Big data technologies
The DEs should be well versed in coding, spark core and data ingestion using Azure. Moreover, they need to be decent in terms of communication skills. They should also have core Azure DE skills and coding skills (pyspark, python and SQL).
Out of the 7 open demands, 5 of The Azure Data Engineers should have minimum 5 years of relevant Data Engineering experience.

Construction & Infrastructure is one of the industries, with the most complex problems in Supply Chain and they are fundamentally reengineering the way construction materials get procured. Their Clients include the biggest names in India & the World– The
LafargeHolcim Group, JSW Group, The Tatas and many others. They are backed by some of the world’s top marquee funds in their 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
Strong computer science fundamentals in algorithms, data
structures, storage technologies, distributed computing,
operating systems, etc.
Experience in designing and implementing scalable solutions
in a large scale distributed environment.
Robust and defensive coding skills using Java/Golang or any
other Object Oriented Programming Language.
Strong knowledge of RDBMS and any other NoSQL database
technologies (Cassandra, HBase, MongoDB, Dynamo etc.) .
Experience with building self healing, automatic fault
detection and recovery mechanisms is good to have.
Desired Skills and Experience
Java or golang
Java/J2EE stack
• Design and develop RDandX Network’s microservices and ensure bug free code is pushed to
the deployment pipeline to support large volume of transactions
• Define and communicate the technical design requirements to the Network’s stakeholders
and the Engineering lead
• Responsible for building restful services to integrate with third party services like AdWords
and Facebook marketing API
• Responsible for designing the technical architecture of the different services and
maintaining and upgrading it
• Designing the unit test cases and building the framework for the development team to
enforce the unit testing in all the services
• Be involved and participate in the end to end products’ lifecycle management
• Learn about new technologies and Stay up to date with best practices
• Collaborate with multidisciplinary team of designers, engineers, system administrators and
product team
• Lead the Backend team and manage their day to day activities and work deliverables
- Utilize established development tools, guidelines and conventions including but not limited to ASP.NET, SQL Server, HTML, CSS, JavaScript, and C#/VB.NET
- Prepare and maintain code for various .Net applications and resolve any defects in systems.
- Prepare test-based applications for various .Net applications
- Enhance existing systems by analyzing business objectives, preparing an action plan and identifying areas for modification and improvement
- Manage defect tracking system and resolve all issues and prepare update for systems
- Investigate and develop skills in new technologies
- Create technical specifications and test plans
- Monitor everyday activities of system and provide require support
Technical Skills
- Required experience in .Net Core 2.2 and above, Web API, EF, AWS or Azure Cloud
- Familiarity with the ASP.NET framework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
- Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
- Familiarity with architecture styles/APIs (REST, RPC)
- Snaplogic (both ground and cloud plex ) or Biztalk ( basic administration , simple xlt translations, and Api management ) or any other similar tool
- Update to .net 50 and Microsoft CORE 30 general coding practices
- Visual Studio use for C#
- Shared library through Nugget
- Unit Test / Test driven methods (use of Xunit and MOCK )
- Concepts of “;” service threading, caching, injection, NTier and entity
- GIT repository (Gitflow branching strategies )
- Azure DevOps pull requests, commitments and Task usage
- SQL artifact writing (sprocs, tables, triggers , indexes, FKs ,and PKs)
- SQL understanding of relational database models
- Should have good problem-solving abilities
- Should be able to troubleshoot issues and determine the cause of a plan’s success or failure
- Should keep up to date with changes in the market and technology that would affect
- Good interpersonal and communication skills
- Comfortable to work as per client requirements/time zones
- Should possess strong team handling experience









