Java
Spring Boot
PythonCompany Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Work Location - Senior Backend Developer – Java (with Python Exposure)- Mumbai
Experience - 4 to 10 years
Kindly revert over mail if you are interested.
Java Developer – Job Description
We are seeking a Senior Backend Developer with strong expertise in Java (Spring Boot) and working knowledge of Python. In this role, Java will be your primary development language, with Python used for scripting, automation, or selected service modules. You’ll be part of a collaborative backend team building scalable and high-performance systems.
Key Responsibilities
- Design and develop robust backend services and APIs primarily using Java (Spring Boot)
- Contribute to Python-based components where needed for automation, scripting, or lightweight services
- Build, integrate, and optimize RESTful APIs and microservices
- Work with relational and NoSQL databases
- Write unit and integration tests (JUnit, PyTest)
- Collaborate closely with DevOps, QA, and product teams
- Participate in architecture reviews and design discussions
- Help maintain code quality, organization, and automation
Required Skills & Qualifications
- 4 to 10 years of hands-on Java development experience
- Strong experience with Spring Boot, JPA/Hibernate, and REST APIs
- At least 1–2 years of hands-on experience with Python (e.g., for scripting, automation, or small services)
- Familiarity with Python frameworks like Flask or FastAPI is a plus
- Experience with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
- Good understanding of OOP, design patterns, and software engineering best practices
- Familiarity with Docker, Git, and CI/CD pipelines
Shubham Vishwakarma
Full Stack Developer - Averlon
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.
Company social profiles
Similar jobs
JavaSpring Boot
MongoDBAbout Intugine
The physical goods we consume everyday(think dairy, snacks, furniture, clothing, electronics, automobiles etc.) are sourced, manufactured, stored, and moved across a highly intricate supply chain before they can reach us. The brands that operate these supply chains find it difficult to adhere to promised delivery times, meet customer expectations or control operations costs.
Intugine Technologies, one of the world’s leading multimodal supply chain visibility providers, helps brands across the globe optimize operations, reduce logistics costs and delight customers. Our best-in-class visibility platform helps businesses gain comprehensive visibility over their supply chain across modalities(air/land/sea/rail). Over 75 large enterprises like Philips, Flipkart, Xiaomi, Diageo, Kuehne Nagel, Ultratech Cement, Myntra, Swiggy Instamart and Mahindra Logistics rely on Intugine to ensure efficiency in their everyday operations.
Role Overview
We are looking for a Senior Java Developer who can lead a team of developers and build reliable, scalable applications. You should be strong in Java and Spring Boot, good with relational databases, and comfortable handling on-call support for live systems. You will guide the team, solve technical challenges, and make sure projects are delivered on time with high quality.
Key Responsibilities
- Lead and mentor a team of software developers
- Build and maintain backend applications using Java and Spring Boot
- Design and manage relational databases (MySQL, MongoDB, etc.)
- Handle on-call support and fix production issues quickly
- Work with Product, QA, and DevOps teams to deliver features smoothly
- Review code, share feedback, and ensure best practices are followed
- Monitor system performance and suggest improvements
Must-Have Skills
- 6+ years of experience in backend development with Java and Spring Boot
- Strong knowledge of relational databases (MySQL, MongoDB, or similar)
- Experience leading a team or owning big projects
- Hands-on experience in debugging and solving production issues
- Good communication, problem-solving, and leadership skills
JavaSpring BootResponsibilities:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review • Designing, implementing, and maintaining Java applications that are often high-volume and low-latency.
• Identify bottlenecks and bugs, and devise solutions to these problems
Skills: • Expert hands on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring boot , Microservices, Cloud computing, any DB • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery • Quick learner, believes in continuous learning and acts as a catalyst for building the culture within the organization • Analytical thinking skills, problems solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations.
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Experience with both external and embedded databases
• Understanding fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools, such as Git
• Familiarity with build tools such as Ant, Maven, and Gradle • Deep insight of Java and JEE internals such as memory management, transaction management, etc. • Implementation of API. • Problem solving skills, analytical mind, and a positive attitude. • Experience with test-driven development. • Experience in the Spring, Spring Boot, and Hibernate • Knowledge of developing REST API. • Results oriented and focused on meeting deliverable timelines. • Good communication skills • Problem-solving attitude • Ability to establish priorities • Teamwork and willingness to listen to others • Eagerness to learn new ideas, concepts, and technologies. • Understand Java EE Architecture
• Clear understanding of web services and SOA related standards like REST/OAuth/JSON • Good knowledge of MicroServices. • Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience. • Working experience in Industry Standard protocols related API Security • Strong background working with Linux/UNIX environments. • should have hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team.
JavaSpring Boot2. Spring boot/ Spring or any variations of Spring
3. MySQL
4. Mentions of, distributed systems, scalable systems
5. Mentions of ElasticSearch, Kafka or Redis
6. NoSQL databases like Cassandra/DynamoDB/MongoDB/Hbase etc
7. Mentions of Handling scale/scalable systems
9. Mentions of AWS or Amazon web services.
Ruby on Rails (ROR)
Go Programming (Golang)Python• BE/B. Tech. Computer Science or MCA from a reputed University.
• 8+ Years of experience in software development, with emphasis on JAVA/J2EE Server side
programming.
• Hands on experience in Core Java, Multithreading, RMI, Socket programing, JDBC, NIO,
webservices and Design patterns.
• Should have Knowledge of distributed system, distributed caching, messaging frameworks, ESB
etc.
• Knowledge of Linux operating system and PostgreSQL/MySQL/MongoDB/Cassandra database is
essential.
• Additionally, knowledge of HBase, Hadoop and Hive are desirable.
• Familiarity with message queue systems and AMQP and Kafka is desirable.
• Should have experience as a participant in Agile methodologies.
• Should have excellent written and verbal communication skills and presentation skills.
• This is not a Fullstack requirement, we are purely looking out for Backend resources.
JavaSpring BootAbout us:
Siply helps underserved masses inculcate savings behaviour to build a more productive and financially secure country. Our Vision is to build the Digital Bank for 40 Crore Underserved Indians.
Company Link - https://siply.in/">https://siply.in/
About the Role:
This is the Senior role where you will build systems and infrastructure to enable seamless user experience across all our offerings in the space of Micro-Savings, Micro-Credit, Micro-Insurance, and associated Value-Added Services. You will power the user experiences on the App and translate complex technical issues into Business opportunities.
Responsibilities:
- Build the architecture for our Product platforms and take ownership for deliverables.
- Good Understanding of all stage of software development and also mentoring team.
- Design some of the most advanced & complex software systems / products in the industry.
- Determine technical feasibility of medium to low complexity features or solutions by evaluating problem, possible solutions and technology requirements.
- Exercise judgement in prioritizing tasks and selecting methods and techniques for obtaining solutions.
- Collaborate and work closely with Engineering, Product and Design team.
Requirements:
- 4 to 7 years of experience in software product development.
- Degree in Computer Science or related field from top tier universities is preferred.
- Excellent abstraction, coding and system design skills.
- Strong hands-on technology experience building and running large scale systems handling multi-million sessions/transactions per day.
- Strong experience in large scale Database systems like rdbms & NoSQL stores.
- Excellent programming skills in Java/GO/NodeJS and expertise in multi- threading and performance-oriented programming.
Join us to be a part of our Growth Journey!
JavaSpring BootWe are looking for a Senior Software Engineer to produce and implement functional
software solutions. You will work with upper management to define software requirements
and take the lead on operational and technical projects.
In this role, you should be able to work independently with little supervision. You should
have excellent organization and problem-solving skills. If you also have hands-on
experience in software development and agile methodologies, we’d like to meet you.
Your goal will be to develop high-quality software that is aligned with user needs and
business goals.
Job Responsibilities:
● Develop high-quality software design and architecture
● Identify, prioritize and execute tasks in the software development life cycle
● Develop tools and applications by producing clean, efficient code
● Automate tasks through appropriate tools and scripting
● Building robust, secure, high-volume performing, scalable microservices that operate 24*7
to power the NoBroker platform for end customers.
● Working closely with our product team to build new and compelling experiences for our
customers.
● Collaborate with internal teams and vendors to fix and improve products
● Document development phases and monitor systems
● Ensure software is up-to-date with the latest technologies
Requirements:
B.Tech/B.E. from a reputed college or related technical discipline with 2- 5 years of
experience in following Technology and programming methodology :
● Work experience as a Java Software Engineer, Java Developer, or similar role
● In-depth knowledge of popular Java frameworks like JSF and Spring MVC
● Hands-on working experience with Scalable and fault-tolerant applications.
● Extensive experience in software development, scripting, and project management
● Working experience with an application. Working experience with databases like SQL and
NoSQL ( MySQL, MongoDB, Redis, Elasticsearch).
● Analytical mind with problem-solving aptitude
● Good delegation and time management skills
● High adaptability in a dynamic start-up environment.
Java Building highly-scalable and secure payments platform
Primary owners of one or more components of the platform and will drive
innovation in your area of ownership
Working with various product teams gathering requirements and adding capabilities
Working with some of the smartest people in the industry and will have ample
opportunity to learn and grow
Using cutting-edge cryptography to secure payments beyond industry standards
Deriving actionable insights by mining TBs of data
Building low-level infrastructure that aims to push the boundaries of network
performance
Participating actively in recruitment and nurturing of engineers as awesome as you.
What do we look for?
If you spend time cracking NP hard problems rather than cracking nuts, you are the
most laziest person and automates everything, you appreciate beauty of code
(bonus if you can sing “Finite simple group of order 2”), you should apply in t=0
Good understanding of Databases
Good understanding of networking (especially with HTTP)
Good understanding of OS concepts
2-4 years of experience
Should have hands on development experience with Object Oriented Programming
(Java is highly preferred) on a large scale system
Understands and showcase ownership of the products
Good with concepts of scaling and worked with distributed systems
Review and influence new evolving design, architecture, standards and methods
with stability, maintainability and scale in mind
Identify patterns and provide solutions to class of problems
Research, evaluate and socialize new tools, technologies, and techniques to improve
the value of the system
Be able to multi-task, prioritize and handle dependencies with minimal oversight
JavaSpring BootCoding in Java8, Spring, Microservices, WebFlux/Reactive Programing, Rest services, Kafka, PCF, Azure, Spring Cloud Config and NoSQL technologies.
Solve technical problems using cutting-edge technologies and best practices.
Ensure code meets the required development standards and is optimized for performance.
Unit testing for each line of new code introduced (JUnit/Mockito)
Peer code review process using GIT pull requests and Crucible (for SVN)
Propose multiple solutions to a problem, show how one option is better than another.
Ensure all aspects of technical design are correctly incorporated.
Contribute in research and implementing POCs as required.
Collaborating with onsite team in scrum ceremonies.
Who you are:
Hands on experience on Java/J2EE programming, especially on Java 8 features
Experience using latest frameworks like Spring, Spring Boot, Spring Rest, Spring Cloud Config and Webflux.
Experience in Microservices architecture & development
Experience with Test Driven Development
Experience with SQL on any of the RDBMS Oracle, PostgreSQL, My SQL
Exposure to NoSQL DB is added advantage, preferred MongoDb / Cassandra
Experience with any of the ORM frameworks Hibernate/iBatis, JDBC, JPA
Exposure to JMS Kafka, IBM MQ or Active MQ is good to have
Experience with JUNIT and any of the mocking frameworks Mockito, EasyMock, JMock
with hands on any one of the cloud platforms like PCF, Azure
Use of code repository tools like SVN, GIT
Exposure to any of the build and deployment tools like Gradle, Maven, Ant
Experience in CI/CD pipeline such as JENKINS
Experience using different design patterns, especially GoF, J2EE and Integration design patterns
Exposure to performance testing using JMeter is good to have
Ensuring the code meets the required development standards and is optimized for performance
Experience managing teams and deliveries
Providing technical design or approach for a business problem
Leading the team towards the right solution with expected quality and timelines
Experience with Agile practices
With good collaboration skills to coordinate with US based onsite team and client team.
Good team player and coordination skills
Java- Have architected /designed at least 2-3 systems/products of enterprise scale from scratch.
- Have banking and Financial service background and preferably worked in Mobile/Digital platform design and development. Payments /OLTP preferred.
- Should have experience of 20+ years with J2ee, REST, Microservice, API, Messaging, Encryption, security, NLP, ML background.
- Have 7+yrs of experience in Architecture field, designing and end to end not from consulting Architecture.
- Responsible for design, architecture, and delivery of a feature or component/product with the highest quality with high-level directions from architects
- Driving innovations in the platform constantly & remaining ahead of the curve
- Development and testing of features/functions delivered via applications and services.
- Prototype ideas quickly using cutting edge technologies.
- Collaborating with peers and Architects both within their team and across the organization to deliver end-to-end products & features
- Working with product managers using agile methodologies to deliver high quality solutions on time
- Provide functional, design, and code reviews in related areas of expertise with-in team and cross-team.
- Working with operations teams to ensure your applications and services are highly available and reliable
- Mentoring junior engineers in the team both in the technical as well as on the product side
- Define and devise processes, tools and methodologies to achieve excellence in software development, testing and deployment, and in the management of the Centre.
- Good experience in working with any of the programming languages like PHP, Python, Django, Golang, Java, C++
- Experience developing applications that use high volume of data along with experience building applications on top of RESTful APIs.
- Solid knowledge of JAVA, J2EE, data stream, processing, big data etc.
- Comfortable with writing unit tests using JUnit
- Worked with Git and are comfortable with Merge/Rebase concepts.
- Worked with tools such as Eclipse, WebStorm, Ant, Maven, Jenkins, Sonar, JSLint, Grunt and App Servers such as Tomcat, Jboss.
- Solid knowledge of algorithms, design patterns, and componentization approaches.
- Experience and knowledge of open source software, frameworks and broader cutting-edge technologies.
- Experience in software design patterns, problem solving and troubleshooting skills.
- Ability to determine impact of architectural solutions and recommendations.
- Must have experience in justification of technology solutions to business leaders.
- Experience in refactoring existing codebase and in understanding existing implementations to decide to refactor or rewrite.
- Know how to identify Performance bottlenecks and use good coding patterns to avoid them in the first place.
- Have strong attention to detail.
- Ability to operate effectively both independently as well and within a team using Agile methodology.
- Proven problem-solving and interpersonal communication skills.
- Knowledge of payment domain will be an added advantage
Qualifications
- BE/BTech/ME/MTech in EE/CS or an equivalent qualification.
- 20+yrs of Experience.
- Minimum 12+years of hands on Java programming experience.
JavaSpring BootABOUT ZYCUS:
Headquartered in Princeton, U.S. in 1998, Zycus has grown every day to be established as an organization which now is a leading global provider of complete Source-to-Pay suite of procurement performance solutions.
We develop cloud-based (SaaS) https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fsolution%2Fprocurement-performance.html">Source-to-Pay solutions for large global enterprises, and have successfully deployed about 200 solutions to over 1000 Global clients. We are proud to have as our clients, some of the best-of- breed companies across verticals like Manufacturing, Automotive, Banking and Finance, Oil and Gas, Food Processing, Electronics, Telecommunications, Chemicals, Health and Pharma, Education and more.
With a team of 1000+employees, we are present in India with 3 development centers at Bengaluru, Mumbai & Pune and offices in the https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcareers%2FUS-Careers.html">U.S., U.K., Australia, https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-expands-middle-east-presence-with-new-location-in-dubai.html">Dubai and https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fpress-releases%2Fzycus-continues-global-expansion-with-new-office-in-singapore.html">Singapore, Amsterdam.
https://workable.com/nr?l=https%3A%2F%2Fwww.zycus.com%2Fcompany%2Fcareers.html">Know more about the LEADER of: https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FGMQ2017">Gartner’s 2013, 2015 & 2017 Magic Quadrant for Strategic Sourcing Application Suites and https://workable.com/nr?l=http%3A%2F%2Fcampaign.zycus.com%2FThe-Forrester-Wave-eProcurement-Q2-2017-Zycus-Named-a-Leader">The Forrester Wave™: eProcurement, Q2 2017
Software Engineering Manager/Principal Architect will be responsible for Technical ownership of an entire line of business or a horizontal platform, which extends to:- Involvement in the full software development life cycle with stringent needs on (i) time to market, & (ii) quality of product - functional and non-functional aspect.
- Ownership of complex software architectures, operational metrics, and running the day to day business operations.
- Designing and defining the interaction between the different components and teams.
- Work closely with peers and product managers to develop great technical design and approach for new product development.
- Definition of, and compliance with, a world-class build/release and configuration management process.
This position will report in to Director of engineering & the roles & responsibilities are as below:
- Identify the technologies that would be used for the product.
- Recommend the development methodology and framework for the project.
- Provide the overall design and structure to the application.
- Ensure that the product is adequately defined & documented.
- Establish design/coding guidelines and best practices, and drive usage of design patterns.
- Enforce compliance with coding guidelines using code reviews etc.
- Build solution which is easily configurable, deploy-able and secure in SaaS environment.
- Responsible for planning product iterations & releasing iterations on schedule.
The Applicant with a total experience of 10-20years, should have hands-on development experience in Core Java and J2EE with proven expertise in writing application architecture and core design ground up with sound algorithmic thought process enabling bullet-proof application performance in terms of key drivers like security, load, scalability, etc.
Skills and Technologies:- Versatile experience with delivering highly available services on multiple technology stacks in traditional data centers, public clouds, and private clouds.
- Core Java, J2EE, Spring, Hibernate, JMS/Rabbit MQ/Kafka, Web-Services, Oracle, MSSQL, JSP-Servlets, , Design Patterns.
Nice to have: New edge technology (Hadoop, AWS, Spark, RabbitMQ etc)
Team mentoring:
- Mentor developers for difficult tasks & provide technical advice and guidance to the Tech Leads.
- Guide the team is doing POCs and early risk assessments.
Leadership Abilities:
- Optimize & effectively manage resources and time of the team members.
- Identify, track and mitigate risks to the product
- Should not hesitate to carry out healthy and constructive confrontation with team members, peers and managers for the benefit of Product.
- Along with a competitive compensation structure, Zycus believes in an open culture learning environment, where everyone gets a chance to share their ideas and deliver par excellence.
Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon