
Job Title -Senior Java Developers
Job Description - Backend Engineer - Lead (Java)
Mumbai, India | Engineering Team | Full-time
Are you passionate enough to be a crucial part of a highly analytical and scalable user engagement platform?
Are you ready learn new technologies and willing to step out of your comfort zone to explore and learn new skills?
If so, this is an opportunity for you to join a high-functioning team and make your mark on our organisation!
The Impact you will create:
- Build campaign generation services which can send app notifications at a speed of 10 million a minute
- Dashboards to show Real time key performance indicators to clients
- Develop complex user segmentation engines which creates segments on Terabytes of data within few seconds
- Building highly available & horizontally scalable platform services for ever growing data
- Use cloud based services like AWS Lambda for blazing fast throughput & auto scalability
- Work on complex analytics on terabytes of data like building Cohorts, Funnels, User path analysis, Recency Frequency & Monetary analysis at blazing speed
- You will build backend services and APIs to create scalable engineering systems.
- As an individual contributor, you will tackle some of our broadest technical challenges that requires deep technical knowledge, hands-on software development and seamless collaboration with all functions.
- You will envision and develop features that are highly reliable and fault tolerant to deliver a superior customer experience.
- Collaborating various highly-functional teams in the company to meet deliverables throughout the software development lifecycle.
- Identify and improvise areas of improvement through data insights and research.
What we look for?
- 5-9 years of experience in backend development and must have worked on Java/shell/Perl/python scripting.
- Solid understanding of engineering best practices, continuous integration, and incremental delivery.
- Strong analytical skills, debugging and troubleshooting skills, product line analysis.
- Follower of agile methodology (Sprint planning, working on JIRA, retrospective etc).
- Proficiency in usage of tools like Docker, Maven, Jenkins and knowledge on frameworks in Java like spring, spring boot, hibernate, JPA.
- Ability to design application modules using various concepts like object oriented, multi-threading, synchronization, caching, fault tolerance, sockets, various IPCs, database interfaces etc.
- Hands on experience on Redis, MySQL and streaming technologies like Kafka producer consumers and NoSQL databases like mongo dB/Cassandra.
- Knowledge about versioning like Git and deployment processes like CICD.
What’s in it for you?
- Immense growth, continuous learning and deliver the best to the top-notch brands
- Work with some of the most innovative brains
- Opportunity to explore your entrepreneurial mind-set
- Open culture where your creative bug gets activated.
If this sounds like a company you would like to be a part of, and a role you would thrive in, please don’t hold back from applying! We need your unique perspective for our continued innovation and success!
So let’s converse! Our inquisitive nature is all keen to know more about you.
Skills
JAVA, MONGO, Redis, Cassandra, Kafka, rabbitMQ

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Job Title: Senior Product Software Engineer I
Location: Bangalore, India
.
Software Engineer (Backend / Distributed Systems)
This role is for a hands-on Backend Software Engineer with 5+ years of experience building and maintaining large-scale distributed systems. The candidate will be responsible for developing scalable backend services, optimizing system performance, improving reliability, and contributing to architecture decisions.
Key Responsibilities
- Design, develop, and maintain backend services and APIs.
- Build scalable and reliable distributed systems.
- Collaborate with global engineering teams (US & India).
- Participate in system design, code reviews, testing, and CI/CD processes.
- Monitor production systems and provide support through on-call rotations.
- Improve system performance, fault tolerance, observability, and resiliency.
- Contribute to architectural discussions and technical decision-making.
Mandatory Skills
- 5+ years of software development experience.
- Strong coding skills in Java or Python.
- Experience with Distributed Systems and Microservices Architecture.
- Hands-on experience with REST APIs and API-driven applications.
- Strong knowledge of MySQL or PostgreSQL.
- Experience with CI/CD, testing, and code quality practices.
Preferred Skills
- Spring Boot (for Java developers).
- Kafka, Kinesis, or other event-driven/streaming technologies.
- Docker and Kubernetes.
- Terraform or Infrastructure as Code tools.
- Cloud platform experience (AWS/GCP/Azure).
- High-throughput and low-latency system experienc
About the Role
We’re looking for an Elixir Developer who is passionate about building scalable, high performance backend systems. You’ll work closely with our engineering team to design, develop, and maintain reliable applications that power mission-critical systems.
Key Responsibilities
• Develop and maintain backend services using Elixir and Phoenix framework.
• Build scalable, fault-tolerant, and distributed systems.
• Integrate APIs, databases, and message queues for real-time applications.
• Optimize system performance and ensure low latency and high throughput.
• Collaborate with frontend, DevOps, and product teams to deliver seamless solutions.
• Write clean, maintainable, and testable code with proper documentation.
• Participate in code reviews, architectural discussions, and deployment automation.
Required Skills & Experience
• 2–4 years of hands-on experience in Elixir (or strong functional programming background).
• Experience with Phoenix, Ecto, and RESTful API development.
• Solid understanding of OTP (Open Telecom Platform) concepts like GenServer, Supervisors, etc.
• Proficiency in PostgreSQL, Redis, or similar databases.
• Familiarity with Docker, Kubernetes, or cloud platforms (AWS/GCP/Azure).
• Understanding of CI/CD pipelines, version control (Git), and agile development.
Good to Have
• Experience with microservices architecture or real-time data systems.
• Knowledge of GraphQL, LiveView, or PubSub.
• Exposure to performance profiling, observability, or monitoring tools.
Why Join Us?
• Work with a team that expects and delivers excellence.
• A culture where risk-taking is rewarded, and complacency is not.
• Limitless opportunities for growth—if you can handle the pace.
• A place where learning is currency, and outperformance is the only metric that matters.
• The opportunity to build systems that move markets, execute trades in microseconds, and redefine
fintech.
Job description
We are looking for an experienced Python developer to join our engineering team and help us create dynamic software applications for our clients. In this role, you will be responsible for writing and testing scalable code, developing back-end components, and integrating user-facing elements in collaboration with front-end developers.
Responsibilities:
- Coordinating with development teams to determine application requirements.
- Writing scalable code using Python programming language.
- Testing and debugging applications.
- Developing back-end components.
- Integrating user-facing elements using server-side logic.
- Assessing and prioritizing client feature requests.
- Integrating data storage solutions.
- Coordinating with front-end developers.
- Reprogramming existing databases to improve functionality.
- Developing digital tools to monitor online traffic.
Requirements:
- Bachelor's degree in Computer Science, Computer Engineering, or related field.
- 2-7 years of experience as a Python Developer.
- Expert knowledge of Python and Flask framework and Fast API.
- Solid experience in MongoDB, Elastic Search.
- Work experience in Restful API
- A deep understanding and multi-process architecture and the threading limitations of Python.
- Ability to integrate multiple data sources into a single system.
- Familiarity with testing tools.
- Ability to collaborate on projects and work independently when required.
- Excellent troubleshooting skills.
- Good project management skills.
SKILLS:
- PHYTHON
- MONGODB
- FLASK
- REST API DEVELOPMENT
- TWILIO
Job Type: Full-time
Pay: ₹10,000.00 - ₹30,000.00 per month
Benefits:
- Flexible schedule
- Paid time off
Schedule:
- Day shift
Supplemental Pay:
- Overtime pay
Ability to commute/relocate:
- Chennai, Tamil Nadu: Reliably commute or planning to relocate before starting work (Required)
Experience:
- Python: 1 year (Required)
Work Location: In person
Job Description:
|
Key Responsibility Areas: |
· Design, build and deliver Enterprise software solutions. · Write code with standards and conventions and follow best practices. · Encourage and lead innovation and solid lifecycle processes. · Collaborate with development teams on work definition, estimation and prioritization · Lead and grow as a professional software engineer. · Full ownership of product deliveries and mentoring junior team members. · Preparing curriculum to train junior developers for Java Web Development · Strong client interactions to provide excellent Quality of Service. · Owning the code base and making sure all code is reviewed and is of very high quality. · Write and modify coding conventions and standards documents for all development |
|
Required Skills: |
Technologies/Frameworks – · Core Java, J2EE, · Spring Core and Spring MVC, Sprint Boot, Spring Security, · JDBC, Hibernate, RESTful APIs, SOAP WebServices · Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage · Junit or Mockito frameworks · Maven, Git · Knowledge Data Structures, · SQL, MySQL · Designing relational database schemas · Basics of AWS, Cloud, Microservices
· BFSI, FinTech |
|
Qualification |
B.E., B.Tech. from reputed institutes with good academic record |
Zerozilla Infotech Pvt Ltd is a team of highly creative professionals creating seamless
web solutions ranging from web designing and development, mobile application,
custom software development, and digital marketing services for businesses.
We work with B2B, B2C companies, government bodies, institution-led and independent start-ups to generate value and give them a competitive edge.
We are experts with over Six years of experience in providing comprehensive and
unified solutions to your business challenges. With over 120 active clients and 150
projects to our credit, we continue creating innovative solutions to drive business
growth. Our working process involves four crucial steps- research, brainstorming
ideas, optimization, and achieving the target.
We deliver cutting-edge technology-driven solutions for your business including
ROI-driven marketing campaigns, online branding, and communications,
customized mobile application development, and more which are designed bearing
in mind your business requirement.
Job Description: Node JS Developer ( JD 102)
No of Position : 45
• Programming in Node.js
• Experience with server-side templating languages
• Experience with Express.js, Loopback, Sails JS, Meteor.js or other
frameworks.
• Experience consuming and building robust, SOAP and REST ful APIs
• Experience with Relational Databases like Mongo DB, MySQL
• Solid understanding and extensive experience with version controltools like
Git, SVN or Mercurial
• Exceptional problem solving and ability to work independently
• Exceptional learning skills
• Understanding of Agile methodologies
• Knowledge of writing efficient codes.
• Understanding front-end applications.
• Working with authorization and authentication of the user.
• Having error-handling skills.
• Creating database schemes and many more.
• Using third party with services with developed system.
Basic Requirement
• A Bachelor’s Degree in computer Science, Computer Engineering, Electrical
Engineering or equivalent.
• Minimum of 2+ years’ Experience in Software Development Organisation
required.
• Strong Communication skill and problem solving skill
• Ability to take ownership of work stream, operate without close supervision
and work across the organisation
• Self-discipline in order to finish work on a timely basis.
Striim (pronounced “stream” with two i’s for integration and intelligence) was founded in 2012 with a simple goal of helping companies make data useful the instant it’s born.
Striim’s enterprise-grade, streaming integration with intelligence platform makes it easy to build continuous, streaming data pipelines – including change data capture (CDC) – to power real-time cloud integration, log correlation, edge processing, and streaming analytics.
Strong Core Java / C++ experience
· Excellent understanding of Logical ,Object-oriented design patterns, algorithms and data structures.
· Sound knowledge of application access methods including authentication mechanisms, API quota limits, as well as different endpoint REST, Java etc
· Strong exp in databases - not just a SQL Programmer but with knowledge of DB internals
· Sound knowledge of Cloud database available as service is plus (RDS, CloudSQL, Google BigQuery, Snowflake )
· Experience working in any cloud environment and microservices based architecture utilizing GCP, Kubernetes, Docker, CircleCI, Azure or similar technologies
· Experience in Application verticals such as ERP, CRM, Sales with applications such as Salesforce, Workday, SAP < Not Mandatory - added advantage >
· Experience in building distributed systems < Not Mandatory - added advantage >
· Expertise on Data warehouse < Not Mandatory - added advantage >
· Exp in developing & delivering product as SaaS i< Not Mandatory - added advantage
Responsibilities
- Writing clean, high-quality, high-performance, maintainable code
- Develop and support software including applications, database integration, interfaces, and new functionality enhancements
- Coordinate cross-functionally to insure project meets business objectives and compliance standards
- Support test and deployment of new products and features
- Participate in code reviews
Skills & Qualifications
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4-12 years of experience in Java Development.
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Excellent verbal and written English communication is a must. You may have to interact with clients directly.
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Technology agnostic approach is a must. Ready to adopt new technology and a faster learning curve.
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Writing scalable, maintainable and reusable code.
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Keen interest in SAAS based products and mobile applications.
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Experience working with Distributed Systems
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Java, Spring Boot, Microservices, API Design Experience with Event-Driven Architecture, Multithreading
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Kafka iOS Experience with Event Sourcing Reactive and Functional
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Programming Strong understanding of best practices for creating/working with Microservices
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Experience implementing Message Brokers and Messaging subsystems(experience working with Kafka a strong plus)
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Be open-minded, creative, and self-critical; be collaborative and communicative
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Have experience with and curiosity about agile and lean philosophies
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Experience working with small teams to ship products to market
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Have experience developing full-service consumer, employee and business applications
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Language agnostic and experienced polyglot Passion for Working Software and SOLID principles
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Experience with designing and refactoring complex systems
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Experience with Test-Driven Development (TDD) Interest in working in a pair-programming environment Deep understanding of design patterns and applying them in production environments
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Passion for enabling team members
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Java 8 or Java 11. Both are LTS. The project will be on Java11
-
Spring Boot
-
Git
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SQL
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AWS and AWS Aurora
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Microservices
-
Multithreading
Perks
- Flexible time schedule.
- Work from home or work from anywhere.
- Health insurance.
- Team building activities.
- Training and conference tickets.
Role/ Responsibilities
- Design APIs, DB, Queues, monitoring for micro services.
- Writing, deploying and managing micro services.
- Migrate existing components into distributed micro service architecture.
- AWS Cloud / Google Cloud Platform (Manage Infrastructure).
- API integration with 3rd parties.
- Unit test cases, automation.
- Database optimisation.
- Design of highly concurrent backend architecture.
- Handling high traffic data.
Experience required:
- Sound fundamentails in software design.
- Must have worked on distributed and micro service architecture.
- Sound fundamentals on scale/ performance/ memory optimisation.
- Sound fundamentals of authentication, authorization, payment processes, data security.
- Must have experience in Spring / Spring boot.
- Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue.
- Good to have experience in Junit / mockito unit test cases.
- Good to have knowledge in Mysql (or any RDBMS).

Description
Experience: 1.5 to 3 yrs
* Hands on work experience developing in Java and J2EE
* Hands on work experience developing in JavaScript
* Extensive working experience in Springboot
* Good to have No SQL (Mongo DB) and My SQL Exposure
* Good to have experience in AWS cloud environment
* Designing, developing, troubleshooting and debugging software within a project scope ensuring that work product meets end user acceptance criteria.
* Managing self-directed assignments to resolve software defects or implement features to meet schedule commitments with a high-level of quality.
* Acquiring knowledge of industry and company standards, tools and technology with a focus on pragmatic application to business-focused software solutions through initiative and self-study
Requirements
Primary Skill Java Springboot, Java Script
Good to have Mongo Db (No Sql), My SQL and Exposure to AWS
Benefits
Salary:300000 LPA to 500000 LPA









