We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 6+ years of programming experience.
Key Responsibilities
- Build high availability and extreme reliable high volume transactional systems.
- Deliver reliable solutions that handle massive data and high traffic.
- Complete ownership of problem-free execution of owned modules and solutions.
- Focus on code optimization, code quality, maintainability etc.
Skills required
- Hands-on experience in Core J2EE or Core Java (collection, multithreading).
- Proficiency in Spring, Hibernate, Kafka, JDBC.
- Excellent data structure & algorithm and problem solving skills.
- Strong working knowledge of Databases – MySQL/NoSQL, OS - Windows/Linux.
- Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
- Should be an active contributor to developer communities like Stackoverflow, Topcoder, Github, Google Developer Groups (GDGs).
- Customer-focused, react well to changes, work with teams and able to multi-task.

About Paytm
About
About Us:
Paytm is India’s leading digital payments and financial services company, which is focused on driving consumers and merchants to its platform by offering them a variety of payment use cases. Paytm provides consumers with services like utility payments and money transfers, while empowering them to pay via Paytm Payment Instruments (PPI) like Paytm Wallet, Paytm UPI, Paytm Payments Bank Netbanking, Paytm FASTag and Paytm Postpaid - Buy Now, Pay Later. To merchants, Paytm offers acquiring devices like Soundbox, EDC, QR and Payment Gateway where payment aggregation is done through PPI and also other banks’ financial instruments. To further enhance merchants’ business, Paytm offers merchants commerce services through advertising and Paytm Mini app store. Operating on this platform leverage, the company then offers credit services such as merchant loans, personal loans and BNPL, sourced by its financial partners.
Why join us:
- Because you get an opportunity to make a difference, and have a great time doing that.
- You are challenged and encouraged here to do stuff that is meaningful for you and for those we serve.
- You should work with us if you think seriously about what technology can do for people.
- We are successful, and our successes are rooted in our people's collective energy and unwavering focus on the customer, and that's how it will always be.
Connect with the team
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Job Description
We are seeking an experienced Java Developer to join our dynamic team. The ideal candidate
will have 5 to 8 years of hands-on experience in Java development, with a strong understanding
of software development principles and methodologies. The Java Developer will be
responsible for designing, developing, and maintaining high-quality software solutions that
meet our clients' needs.
Responsibilities:
· Designing, developing, and maintaining high-performance and scalable Java applications.
· Collaborating with cross-functional teams to define, design, and ship new features.
· Writing clean, maintainable, and efficient code following best practices.
· Participating in code reviews and providing constructive feedback to peers.
· Troubleshooting, debugging, and resolving technical issues in a timely manner.
· Ensuring the performance, security, and scalability of applications.
· Staying updated with the latest industry trends, technologies, and best practices.
· Mentoring junior developers and assisting in their professional growth.
· Develop Spring based server-side components of Enterprise applications.
· Build self-dependent modules which can integrate with external applications.
· Develop and manage well-functioning databases and applications
· Test software to ensure responsiveness and efficiency
What we will bring to the table:
· Focused opportunity to work on cutting edge technologies
· Exposure to key customers in India and abroad
· Work closely with senior leadership that has already developed world class products
· A learning environment
· Challenging problems to solve
Greetings from HashStudioz Technologies!
We are happy to share the details of 'Java Developer'. Kindly read the job description carefully before your technical Interview Round.
Company Profile :
- We are a global leader in product development, having a wide range of technology experts under the same roof. You would be surprised to meet our enthusiastic team of blockchain, cloud, Mobility & Automation.
- Our mission is to help companies adopt new technologies and simplify complicated issues that arise amid technology evolution.
- We are designers, engineers, developers, analysts, programmers, testers, cloud experts, blockchain specialists, automation freaks & smart workers who have developed applications that are now being used by millions of consumers worldwide.
- We know how to build successful software products and welcome startup minds to discuss their product feasibility & scalability.
Company Profile:- https://www.hashstudioz.com/">https://www.hashstudioz.com/
Job Profile: "Java Developer"
Industry: IT-Software / Software Services
Job description
Role:
- Ensure effective Design, Development, and Support activities in line with client needs and architectural requirements.
- Ensure continual knowledge management
- Adherence to the organizational guidelines and processes
- Define best practices, coding standards, and development methodology as part of the master solution design and ensure compliance with these guidelines
- Highlight and resolve solution dependencies on enterprise systems
- Good problem-solving capabilities and troubleshooting skills
- Should have excellent communication (oral and written) and interpersonal skills
Requirements:
- 0 -6 Years of experience in Java, J2EE Development
- Must have Hands-on Experience in Angular/ React
- Fluency in programming constructs and working with Spring/Spring Boot/Spring MVC and Hibernate framework
- Good experience with 1-2 Frontend Technologies eg JavaScript/Angular/React/jQuery
- Good experience with MySQL/MongoDB
- Design and Development of project modules independently
- Handle SDLC individually
- Good understanding of Object-Oriented Programming and Design Concepts.
6-8 yrs experience
Fully Remote position
Max compensation - 45 LPA per annum (Full in hand)
Key Responsibilities
- Design, implement and maintain software to the demanding standards of a real time, highly concurrent distributed system.
- Working in conjunction with the rest of the development team, you will architect and build highly performant, scalable and extensible external APIs
- Collaborate with customers and internal stakeholders, at all levels, to continuously improve our product in a measured data-driven approach
- Learn quickly, adapt, and invent based on changing company needs and priorities
- Contribute to code reviews, tech talks, innovation drives and patents
Minimum Qualifications
- Excellent problem solving skills
- Bachelors in a computer science or other equivalent field
- Proficiency in deploying production systems using a major programming language like Java, Python, NodeJS or similar
- Excellent command over object oriented design and system design
- Experience building distributed systems and scaling them with high availability
- Ability to exercise autonomy rather than needing detailed direction and proactively get things done
Preferred Qualifications
- Experience in customer facing software development
- Proficiency building unit and performance tests to ensure reliability and scalability
- Experience in Artificial Intelligence, Machine Learning (ML) models, Natural Language Processing or Deep Learning is a plus
- Experience with cloud infrastructure such as AWS, GCP is a plus
Why work with us
- A small collaborative and excited team
- We value autonomy, allowing you to choose the configuration that makes you most productive
- Able to work remotely anywhere in Indian Standard Time
- Continuous learning and up-skill opportunities
- We love ideas, innovation and experiments!
- Competitive salary
Hands on experience in System Design , Architecture.
Exposure to Microservices.
Experience in B2C.
Skills- JAVA / Python /Golang /C++
system performance.
Experience with JSP & Servlet.
Experience with open source frameworks/libraries like Spring, Hibernate, Struts, JUnit etc.
Experience with MVC frameworks like Spring MVC, Struts, JSF etc.
Experience with XML and webservices (SOAP/REST).
Experience with application Servers like Web logic, WebSphere and Jboss.
Experience with JavaScript, Jquery, AJAX, CSS, HTML.
Knowledge of Messaging (JMS,MDB etc.) is a plus.
Knowledge of build tools like Maven and ANT is a plus.
Good understanding of object oriented methodologies and design principles.
Knowledge of the PTC/Servigistics/Click Commerce/Xelus “Service Depot
Management/SL/Repairs and Returns/XDR” application is a plus.
Experience working with large amounts of data.
Able to work with and participate within a small multicultural professional team.
Understanding of performance profiling / tuning.
Familiar with Agile methodologies/tools.
Experience with SQL.
Experience in analysis, design, coding, and implementation of enterprise Java web
applications.
General understanding of scalability and high-availability systems.
Excellent communication/documentation skills
Ability to work effectively under pressure with constantly changing priorities and deadlines
Role/ Responsibilities
- Lead a team of hard working backend developers.
- 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).
- Should have experience in supporting the application and infrastructure 24x7.
- Should have good working knowledge on troubleshooting skills of Operating Systems (Linux/Windows)
- Good experience on Java/j2EE application supporting and AWS infra supporting.
- Ability to work with 3rd parties/FOPS and provide required instruction to troubleshoot and restore faults.
- Respond quickly and effectively to production issues, troubleshooting solutions, and taking responsibility for seeing those solutions through resolution.
- Identify root cause and corrective actions for highly complex availability, capacity, security, performance, and quality issues affecting the database.
- Strong knowledge of Linux/Unix operating system.
- Good knowledge in scripting languages like Shell, Python.
- Good Knowledge on Databases like Mongo, Mysql, SQL Server.
- Respond to alerts and take corrective action to ensure the high-availability of our production environments and participate in an after-hours on-call rotation.
- Experience/Knowledge of other cloud platforms (Azure, Google Cloud) is a plus
- Strong verbal and written communications skills are a must
- Must have production support experience as the requirement is 24X7X365 production support.

Java, Springboot, Micro Services is a must
3 to 7 Yrs exp
Temporary WFH
Permanent WFH is also available






