
Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/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. - 3 to 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. About Wissen Technology: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
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1 Senior Associate Technology L1 – Java Microservices
Company Description
Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.
Job Description
We are looking for a Senior Associate Technology Level 1 - Java Microservices Developer to join our team of bright thinkers and doers. You’ll use your problem-solving creativity to design, architect, and develop high-end technology solutions that solve our clients’ most complex and challenging problems across different industries.
We are on a mission to transform the world, and you will be instrumental in shaping how we do it with your ideas, thoughts, and solutions.
Your Impact:
• Drive the design, planning, and implementation of multifaceted applications, giving you breadth and depth of knowledge across the entire project lifecycle.
• Combine your technical expertise and problem-solving passion to work closely with clients, turning • complex ideas into end-to-end solutions that transform our clients’ business
• Constantly innovate and evaluate emerging technologies and methods to provide scalable and elegant solutions that help clients achieve their business goals.
Qualifications
➢ 5 to 7 Years of software development experience
➢ Strong development skills in Java JDK 1.8 or above
➢ Java fundamentals like Exceptional handling, Serialization/Deserialization and Immutability concepts
➢ Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto boxing and Data Structure
➢ Database RDBMS/No SQL (SQL, Joins, Indexing)
➢ Multithreading (Re-entrant Lock, Fork & Join, Sync, Executor Framework)
➢ Spring Core & Spring Boot, security, transactions ➢ Hands-on experience with JMS (ActiveMQ, RabbitMQ, Kafka etc)
➢ Memory Mgmt (JVM configuration, Profiling, GC), profiling, Perf tunning, Testing, Jmeter/similar tool)
➢ Devops (CI/CD: Maven/Gradle, Jenkins, Quality plugins, Docker and containersization)
➢ Logical/Analytical skills. Thorough understanding of OOPS concepts, Design principles and implementation of
➢ different type of Design patterns. ➢ Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j) ➢ Experience of writing Junit test cases using Mockito / Powermock frameworks.
➢ Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
➢ Good communication skills and ability to work with global teams to define and deliver on projects.
➢ Sound understanding/experience in software development process, test-driven development.
➢ Cloud – AWS / AZURE / GCP / PCF or any private cloud would also be fine
➢ Experience in Microservices
Knowledge & Experience required:
· Bachelor's degree in Computer Science Engineering or equivalent degree.
· 7 years of development experience as a seasoned Java developer
· 7 years of experience in developing enterprise applications using enterprise Java 8 and has worked both on Web and Server side technologies.
· A strong Java Backend Developer with Core Java 8, Spring, Spring Boot, Hibernate, REST Web-services.
· Expertise in Java Unit Testing Frameworks and tools such as JUnit, TestNG, Mockito etc.
· As a Senior developer, must be comfortable switching tasks between Web Services, APIs, Batch Job engine or Web Development.
· Passionate Java developer who is also a problem solver and has a very good understanding of core and advanced Java concepts.
· Good understanding of database and data fundamentals in SQL Server 2017, Oracle and NoSql databases.
· Good understanding of Web Service concepts and experience building RESTful services is required.
The Role:
We are looking for an enthusiastic Senior Python Developer, who adopts a hands-on approach and loves to build scalable, distributed and large web / mobile products. You would be responsible for designing the architecture, reviewing the code, building the technology and deploying web/mobile applications.
Responsibilities:
- Own the product development from scratch.
- Design and implementation of low-latency, high-availability, and performant applications.
- Contribute to discussion on software architecture while mentoring a team of developers.
- Participate in code reviews, design reviews, SCRUM ceremonies, and troubleshoot to ensure uptime for live systems etc.
Requirements:
- Bachelor's degree in a technology-related field from a premier college.
- Prior 3+ years of experience in back-end development (Python/ Golang) in a start-up or a dynamic work environment.
- Good exposure in writing and optimizing SQL for high-performance systems.
- Understanding of asyncio and eventloop/ uvloop concepts. Knowledge of frameworks such as Quart/ Fastapi/ Starlette is preferred.
- Knowledge of AWS; Caching technologies like Redis, Memcache; ELK; mySQL Databases, etc.
- Strong understanding of System Design, Microservice Architecture, Kafka, Pub/Sub, Message queues, and in-memory data stores etc.
- Customer oriented, responsive to changes, and able to multi-task in a fast-paced environment.
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
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Spring Boot
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Git
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SQL
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AWS and AWS Aurora
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Microservices
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Multithreading
Perks
- Flexible time schedule.
- Work from home or work from anywhere.
- Health insurance.
- Team building activities.
- Training and conference tickets.
About us :
BharatPe was co-founded by Ashneer Grover and Shashvat Nakrani in 2018 with the vision to make financial inclusion a reality for Indian merchants.
BharatPe launched India's first UPI interoperable QR code, first ZERO MDR payment acceptance service, and first UPI payment backed merchant cash advance service.
In 2020, post-Covid, BharatPe also launched India's only ZERO MDR card acceptance terminals - BharatSwipe. Currently serving over 50 lakh merchants across 35 cities, the company has grown business 30x in 2019 and is a leader in UPI offline transactions, having processed 5 crore+ UPI transactions a month (annualized TPV of US$ 5+ Bn).
INVESTORS :
- The company's list of marquee investors includes Beenext, Sequoia, SteadView Capital, Ribbit Capital, Coatue Management LLC, Insight Partners, and Amplo.The company has already facilitated disbursement of over Rs. 500 crores to its merchants since launch.
- Total Funding : $283.5M
- Latest Funding : Series D
- Why Join BharatPe ?
- Quality of work : Our current tech setup is serving us well for now. But, at our pace of growth, we know we will outgrow it soon. So, we are rebuilding our tech stack from scratch. Be it infrastructure as code, containerization and orchestration, event driven microservices, stream processing, or intrusion kill chain, we have a clear roadmap as well as prior experience of building modern state-of-the-art technology architecture. This is an excellent opportunity to build a world class tech setup from scratch and take it to scale.
- High operating freedom : We believe in ownership and accountability rather than command and control. Our teams are structurally empowered to operate with a lot of freedom, with effective mechanisms built within the teams to help with sound yet quick decision making.
- Experimentation and risk taking is encouraged to achieve ambitious goals.
- Competitive compensation.
- Cash and high growth equity.
- We pay good cash and our equity is growing at a very fast pace.
- We have a good team, proven business, and ample capital. Thus, the downside risk is low and upside potential is high.
- We are accelerating full throttle.
- This is the best stage to join a startup.
- Positive culture.
- We believe new ideas can come from everywhere, so we are always on the lookout. Instead of carrot and stick approach, we appeal to internal motivation to excel.
- We are strong team players - we build on each other's strengths and have each other's back in failures.
Requirements :
- Innovative and self-motivated with passion to develop complex and scalable applications.
- 2-5 years of experience in software development with strong focus on algorithms and data structures.
- Strong coding and design skills with prior experience in developing scalable & high availability applications using Core Java/J2EE, Spring, Hibernate.
- Work experience with Relational databases is required (Primarily MySQL).
- Prior work experience with Non-Relational databases (primarily Redis, MongoDb) is an added plus.
- Strong Analytical and Problem Solving Skills.
- B Tech/BCA from IIT or BE in computer science from a top REC/NIT.
o Minimum 8 years of overall experience in software development.
o Experience as a Lead developer .
o Experience with AWS,Architecture, Node js.
- 3+ to 6 years of hands-on coding experience in Java preferably Version 8
- Building RESTFUL services using Spring boot, Spring WS, etc
- Hands on experience in Microservices
- Data-Layer Development: MySQL, NoSQL, ORM










