
Roles and Responsibilities
Code, develop, design and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship.
Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members
Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance
Perform code reviews, set coding practices and guidelines within the team.
Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader.
Critical Functional Skills
Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their implementation in Java/Any other ObjectOriented Language.
Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing. A solid foundation in the principles of computer science is desired.
Ability to write clean, modular, and loosely coupled code by the use of design patterns.
He/She should be able to break down and architect complex software systems. For example
BuildCars Availability Engine for Ola.
Strong decisionmaking ability
Deep expertise in at least one programming language & tech stack.
Substantial experience in building complex and scalable solutions.
Strong object oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class level interfaces
The ability to do deep problem solving and build elegant, maintainable solutions to complex problems.
Experience leading multi engineer projects and mentoring junior engineers
Experience with full life cycle development in any programming language on a Linux platform
Comprehensive operational experience including, optimizations, deployments and tuning servers like apache/mysql/tomcat/solr
Prior experience in working with Agile software methodologies (XP, Scrum), TDD, and Continuous Integration(CI/CD) a plus.
Experience in building data driven web application design and development is a plus
Expert level experience in building a scalable, large and complex business application
.Experience Required
:Typically with an experience of 5+ years of development experience in a product firm.
Must have lead, designed, architected and delivered at least 1 project in his previous assignments independently.
Minimum Qualifications Required
Btech/MS from a reputed Institute
Deep expertise with any or combination programming languages: Java, C++, C#, Ruby, Scala,
Go any object oriented high level proprietary or open source language with strong programming constructs. We are not skill specific but go by strength in competencies Machine coding Single machine in memory program
Need a working code with functionality Readable and well designed code with right abstractions, separation of concerns,right design patterns
Performant code with concurrency and efficient data structures
Write test cases covering the happy path and edge cases
Problem Solving
Choose the right combination of data structures to solve the problem
Identify most edge cases for the problem
Identify opportunities of parallelism: utilizes multicore solutions where applicable
Design & Architecture
Distributed systems design and system interaction
Identify API signatures
LLD with class design
Solve for performance & availability

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JOB DESCRIPTION
Experience: 5-8 years
Location-Mumbai
Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
- Exp. - 5-8 years
- Experience in Core Java and Spring Boot.
- Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
- Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
- Good development experience with RDBMS.
- Good knowledge of multi-threading and high-performance server-side development.
- Basic working knowledge of Unix/Linux.
- Excellent problem solving and coding skills.
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts
Job Summary
We are seeking an experienced Java + Kafka Developer to design, develop, and maintain high-performance, event-driven applications. The ideal candidate will have strong backend development skills in Java and hands-on experience with Apache Kafka for building scalable, real-time data processing systems.
Key Responsibilities
- Design and develop event-driven microservices using Java and Apache Kafka
- Build and maintain Kafka producers, consumers, topics, and streams
- Implement message processing, retries, error handling, and idempotency
- Develop and integrate RESTful APIs
- Ensure high availability, scalability, and performance of Kafka-based systems
- Monitor, troubleshoot, and optimize Kafka and application performance
- Collaborate with architects, DevOps, and QA teams
- Participate in code reviews and follow best practices
- Contribute to system design and technical discussions
Required Skills
- 6+ years of experience in Java backend development
- Strong hands-on experience with Apache Kafka
- Experience with event-driven and streaming architectures
- Solid understanding of microservices architecture
- Experience with REST APIs
- Good knowledge of multithreading, concurrency, and JVM concepts
- Familiarity with SQL / NoSQL databases
- Strong problem-solving and debugging skills
Software Engineer
Opportunity in this role / Why should you join us?
- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt
- Work with one of India's leading fintech unicorn company
- ESOPs in the company
Requirements
- 3+ years and above exposure in the art of writing codes and solving problems for large scale
- Extensive and expert programming experience in any one programming language (strong OOPS skills preferred). Deep experience in a java programming language
- A solid foundation in computer science, with strong competencies in data structures, algorithms, and software design.
- Have a penchant for solving complex and interesting problems.
- BE/BTech, MTech in Computer Science or related technical discipline (or equivalent).
- Excellent coding skills – should be able to convert the design into code fluently Good skills to write unit & integration tests with reasonable coverage of code & interfaces - TDD is a plus
- Experience in building highly scalable business applications, which involve implementing large complex business flows and dealing with the huge amount of data. Experience with
multi-threading and concurrency programming
- Ability to switch between the technologies and learn new skills on the go.
Roles and Responsibilities
- Drive discussions to create/improve the product, process and technology
- Build abstractions and contracts with separation of concerns for a larger scope
- Rapid prototyping
- Robust and scalable web-based applications
- Do high-level design with guidance; Functional modelling, break-down of a module
- Thinking platforms & reuse, the open-source contribution will be a plus
- Do incremental changes to architecture: impact analysis of the same
- Do performance tuning and improvements in large scale distributed systems
- Mentor young minds and foster team spirit.
At least 2-3 years of experience as a java developer and 2-3 years of experience in java application development Experience with spring boot, micro services development.
Experience creating & consuming Rest APIs Experience with core java, Java 8, spring, spring boot, micro services, Restful web services Experience with multithreading, collections, design patterns Experience in Java 8 or above Cloud experience mentioning the specific cloud needs to be included CI/CD experience using specific tools needs to be included Salary Range- upto 10LPA
Preferred- Immediate Joiners
Job Location - Airoli, Maharashtra
• Analyze user and system requirements
• Design flowcharts to illustrate software solutions
• Write efficient code based on feature specifications
• Develop user interfaces
• Prioritize and execute tasks in the software development life cycle
• Design database architecture
• Test and debug Java applications
• Validate software functionality and security
Requirements:
• Work experience on Java, Spring, Strurts , Hibernate, Microservice etc.
• Experience building Java EE applications.
• God knowledge of Database tool, Frontend Skills.
• Familiarity with Object-Oriented Design (OOD)
• Good knowledge of popular Java frameworks like JSF and Spring MVC
• Experience with test-driven development
• Problem-solving skills
Should be able to join in 30 days or less.
Responsibilities:
- Taking initiative in the Design and Development of Android applications.
- Ship reliable software practicing robust software design and in-depth code reviews.
- Design major software components, systems, and features and implement full-stack app foundation features and core app features.
- Take ownership, design, develop and deploy in a collaborative environment with other team members
- Knowledge of architect solutions using innovative technology ideas and industry-leading methodologies.
Requirements:
- Good hands-on experience in developing and deploying Android apps Android native/cross-platform.
- Comfortable with JAVA and Kotlin both.
- Experience implementing integrated solutions with APIs built using RESTful web services.
- Strong analytical and debugging skills.
- Good understanding of Data Structure and Algorithms.
- Adapt to a dynamic work environment. Stay updated with the latest in technology and always think customer first.
- Study and understand the product specifications thoroughly to design appropriate software solutions. Suggest improvements and optimize existing implementations.
- Ability to identify and deliver POCs and Demos in a record timeframe.
- Encourage and coordinate with the team around new technologies, processes, and approaches.
- Proficiency in various Design Principles and app development methodologies.
- Strong communication skills with a people-first approach without compromising on engineering tasks
Hello,
My name is Amim and I'm a part of the Talent Acquisition team in PayU India!
Were looking for a seasoned Backend engineers who would work on cutting edge technologies to solve complex problems in FinTech world. We are currently looking for bright and talented backend engineers, who can bring new ideas to the table and contribute to our strategy in a big way.
If you like to solve complex problems and challenges, that too in a fast-moving and dynamic environment, this is great opportunity for you.
Who were looking for
Position : Senior Software Engineer / Lead Software Engineer
Experience : 4 yrs - 9 yrs
Job Location: Bangalore / Gurgaon / Pune(Currently WFH)
Key Skills : Object Oriented Programming ( Java / Go Lang), Problem Solving, Data Structures Algorithms, System Design Microservices / Spring Boot, Distributed Systems, AWS, Cloud, Scalability, Web Security, Kafka, Elasticsearch, Mo SQL / MongoDB / MySQL etc.
Desired Profile
B.E / B. Tech / M. Tech in computer science or equivalent with excellent academic record.
Experience in any language like Java / GoLang / Core Java / Scala / RoR and object oriented design.
You will be Translating high level business problems into scalable design and code.
Very strong in Data Structures and Algorithms with excellent programming skills
Have experience in building and maintaining large scale web applications in service oriented architecture.
Passion for adopting new technologies at rapid pace and working in a highly agile environment
What we offer
A positive, get-things-done workplace
A dynamic, constantly evolving space (change is par for the course important you are comfortable with this)
An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale
Access to 5000+ training courses accessible anytime/anywhere to support your growth and development (Corporate with top learning partners like Harvard, Coursera, Udacity)
About us
At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at http://www.payu.com">www.payu.com
Our Commitment to Building A Diverse and Inclusive Workforce
As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.
If you are interested, please share your resume on md.amim at payu.in
Job brief
We are looking for a Java Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience with test-driven development











