
Java Developer – Job Description
Wissen Technology is now hiring for a Java Developer - Bangalore 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.
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.
Connect with the team
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JAVA: Software Engineer / Senior Software Engineer
Job Overview: RevSure.AI is building a world-class team of Engineers with a mandate to architect, design, build, scale, and maintain our cutting-edge Revops platform and derive insights from the customer data. If you are a great JavaScript developer (or, for that matter, in any major programming language) with experience in building SaaS web applications and looking for an opportunity to build world-class products using cutting-edge technologies, please read on -
Responsibilities:
● Contribute to the growth and development of our product by writing and maintaining code, focusing on quality and maintainability. We believe that our teams own the code they build.
● Share your knowledge, both inside and outside your own team.
● Design, implement, test, and monitor valuable solutions that achieve the teamʼs goals while keeping a smooth delivery flow and balancing tradeoffs between scope, time, and effort.
● Continuously improve your and your teamʼs way of working, expanding the boundaries of your teamʼs autonomy and self-organisation.
Requirements:
Must-Have:
● Good interpersonal and communication skills. An analytical mind and an eye for detail
● Experience of 4-7 years in building large applications, preferably from the heavy data processing & analytics side
● Experience in architecting, designing, and building end-to-end System Design of multi tenant SAAS applications
● Experience architecting interactive configuration experiences around DAGs, configuration-heavy reporting feature, interactive data pipeline design interfaces, and charting.
● Experience in Java, Spring Boot, and GCP
● In-depth understanding of design patterns, OOPs, and Functional programming.
● Passionate programmer focused on Backend Programming.
Good to have:
● Working knowledge of GCP managed services like Kubernetes, PubSub
Please feel free to share your resume to chandana at revsure.ai
**Based on your experience, the title could vary. We care more about mindset , ownership, and craft than just titles.
JOB DESCRIPTION
Experience: 3-8 years
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. - 3-8 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
Description
Our Software Architects are the strategic thinkers and technical leaders. They design, validate, and guide the delivery of enterprise-grade systems that balance innovation, performance, scalability, and cost efficiency.
Software Architects work at the intersection of business strategy and technical execution. They collaborate across engineering, product, and design teams to define architecture blueprints, select technologies, and ensure systems evolve in alignment with customer goals. Architects are hands-on, often prototyping solutions and coaching teams, while also trusted to influence executives on technical direction. Here’s what you should know if you want to be a Software Architect at
Requirements
The ideal person
● Proven track record in architecting and delivering large-scale, distributed software systems.
● Expertise in modern architectural patterns: microservices, event-driven systems, composable commerce, headless architectures.
● Ability to translate business strategy into actionable technical roadmaps and system designs.
● Strong leadership skills: guiding engineering teams, mentoring individuals, and setting technical standards.
● Excellent stakeholder management and communication skills, from engineers to C level.
● Commitment to designing systems that are secure, performant, and cost-efficient.
Desirable Skills
● Deep experience with multiple programming languages and frameworks (e.g., ● JavaScript/TypeScript, Node.js, React, Java, .NET, Python).
● Strong knowledge of cloud-native architectures (AWS, GCP, Azure) and containerisation (Docker, Kubernetes).
● Experience with data platforms, integration patterns, and API-first design (REST, GraphQL, gRPC).
● Familiarity with CI/CD, DevOps, and Infrastructure-as-Code practices. ● Understanding of security standards, compliance (GDPR, SOC2), and enterprise IT constraints.
● Ability to design for scalability across global markets and multi-tenant environments. ● Strong knowledge of design systems and front-end frameworks, ensuring alignment between presentation and infrastructure.
● Experience leading architectural reviews, trade-off analysis, and decision records. ● Ability to mentor teams and establish communities of practice around architecture. ● Awareness of emerging technologies (AI, serverless, edge computing) and their practical application.
On any given day you might
● Define architecture blueprints and technical roadmaps for enterprise projects. ● Partner with product owners and business stakeholders to align architecture with strategic goals.
● Make key technology selection decisions, balancing innovation with long-term maintainability.
● Review system designs, ensuring alignment with principles of security, scalability, and performance.
● Support engineering teams with hands-on prototyping and technical problem solving. ● Facilitate architectural reviews and communicate trade-offs to both technical and non-technical audiences.
● Collaborate with designers to ensure UI/UX and architecture integrate seamlessly. ● Influence enterprise customers, helping them modernise platforms and adopt composable, headless, or cloud-native approaches.
● Establish coding standards, architectural patterns, and governance processes. ● Share thought leadership internally and externally, positioning Co. as a trusted Advisor.
You bring
● 7+ years of software development and architecture experience.
● Expertise in designing cloud-native, distributed systems.
● Proven success in leading technical decisions across multi-team programmes. ● Strong cross-functional collaboration and customer-facing skills.
● Advanced understanding of system integration, security, and performance optimisation.
● Familiarity with enterprise-scale delivery: migration projects, composable commerce, API ecosystems.
● Advanced English, able to communicate at both executive and engineering levels. ● (Bonus) Experience contributing to open-source, publishing architectural thought pieces, or speaking at conferences.
- - Strong architecture and design skills and keen business sense.
- - Strong core server-side technologies experience (Java), database design & performance tuning exposure.
- - Strong OO design skills, knowledge of frameworks such as Spring/ Spring Boot/ exposure to functional programming a plus.
- - Good knowledge of nodeJS/ noSQL a definite plus.
- - Good exposure to front end/UI skills (JS, HTML, Angular).
- - Good exposure to configuration management, testing, deployment.
- - Deep knowhow of data structures, algorithms.
- - Hands on development across technologies
3+ years of experience with development in JAVA technology.
Strong Java Basics
SpringBoot or Spring MVC
Hands-on experience with Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
Proficient in REST API development
Messaging Queue (RabitMQ or Kafka)
Microservices
Any Caching Mechanism
Good at problem-solving
Good to Have Skills:
4+ years of experience in using Java/J2EE tech stacks
Good understanding of data structures and algorithms.
Excellent analytical and problem-solving skills.
Ability to work in a fast-paced internet start-up environment.
Experience in technical mentorship/coaching is highly desirable.
Understanding of AI/ML algorithms is a plus.
· 3+ years of Java backed application development and implementation experience.
· Minimum of one year of experience in Cloud, AWS Engineering & Development .
· Demonstrated knowledge of Distributed and Scalable systems.
· Experience on AWS Services is a big plus, such as EC2, ECS, ECR, Lambda, Elastic Cache, API Gateway.
· Knowledge about API design standards, patterns and best-practices especially Swagger and OpenAPI 3.0, REST, SOAP, MQ, JSON, Microservices etc.
· Java Microservices, RESTful Web Services.
· Spring Boot, Spring Cloud, Hibernate.
· JMS, queues, JBoss/Wildfly.
· Tools - JUnit, Easymock, Mockito, Docker, Kubernetes, Teraform.
- JAVA Microservices with AWS needed
- Provide solution architecture & design involving Cloud and DevOps
- Develop new microservices in a cloud-native way.
- Ensure the unit testing and code coverage are achieved as per the agreed percentage.
- Build reusable code and libraries for future use.
- Optimize application for maximum performance and scalability.
- Collaborate, and coordinate with team members and key stakeholders.
- Communicate effectively with different stakeholders.
- Ensure best practices & standards are followed during SDLC.
- Takes ownership of the whole solution from a technical perspective and ensures adherence to defined Architecture & Design.
- Ensures the latest technology standards, and guidelines are utilized for development.
- Performs consistent & adequate code reviews & feedback to the team.
- Training and induction of new resources on the projects.
Skills and Qualifications
- Deep understanding of OOPs and OOAD.
- Expert and hands-on in Java JEE and Spring framework, Spring Boot.
- Should have experience with RESTful web services and API standards.
- Should know various integration patterns in distributed environments.
- Working knowledge of microservice architecture and different design patterns.
- Hands-on in writing unit tests with Mockito and code coverage tools.
- Hands-on data modeling (Logical physical).
- Knowledge of RDBMS, SQL and any ORM framework (JPA, Hibernate etc.)
- Should know Event-driven and asynchronous programming using message broker.
- Should know about cloud IaaS, PaaS, SaaS and Serverless models of any cloud provider (AWS, Azure, GCP), preferably AWS.
- Knowledge of JavaScript frameworks like NodeJS (For the Backend) and Angular React (For Frontend) will be added advantage.
- Good to have DevOps related technologies like Container (Docker), Container Orchestrator (Kubernetes EKS)
- Excellent in communication
-
Preferred Education & Experience:
-
Bachelor’s or master’s degree in Computer Engineering, Computer Science, Computer Applications, Mathematics, Statistics or related technical field or equivalent practical experience. Relevant experience of at least 3 years in lieu of above if from a different stream of education.
-
Well-versed in and 5+ years of hands-on demonstrable experience with:
▪ Object Oriented Modeling, Design, & Programming
▪ Microservices Architecture, API Design, & Implementation
▪ Relational, Document, & Graph Data Modeling, Design, & Implementation -
Well-versed in and hands-on demonstrable experience with:
▪ Stream & Batch Big Data Pipeline Processing
▪ Distributed Cloud Native Computing
▪ Serverless Computing & Cloud Functions -
5+ years of hands-on development experience in Java programming.
-
3+ years of hands-on development experience in one or more libraries & frameworks such as Spring Boot, Apache Camel, Akka, etc.;
extra points if you can demonstrate your knowledge with working examples.
2+ years of hands-on development experience in one or more Relational and NoSQL datastores such as Amazon S3, Amazon DocumentDB, Amazon Elasticsearch Service, Amazon Aurora, AWS DynamoDB, Amazon Athena, etc. -
2+ years of hands-on development experience in one or more technologies such as Amazon Simple Queue Service, Amazon Kinesis, Apache Kafka, AWS Lambda, AWS Batch, AWS Glue, AWS Step Functions, Amazon API Gateway, etc.
-
2+ years of hands-on development experience in one or more technologies such as AWS Developer Tools, AWS Management & Governance, AWS Networking and Content Delivery, AWS Security, Identity, and Compliance, etc.
-
Well-versed in Virtualization & Containerization; must demonstrate experience in technologies such as Kubernetes, Istio, Docker, OpenShift, Anthos, Oracle VirtualBox, Vagrant, etc.
-
Well-versed with demonstrable working experience with API Management, API Gateway, Service Mesh, Identity & Access Management, Data Protection & Encryption.
-
Hands-on experience with demonstrable working experience with DevOps tools and platforms viz., Jira, GIT, Jenkins, Code Quality & Security Plugins, Maven, Artifactory, Terraform, Ansible/Chef/Puppet, Spinnaker, etc.
-
Well-versed with Storage, Networks and Storage Networking basics which will enable you to work in a Cloud environment.
-
Experience : 5+Years
-
Job Location : Remote/Pune
Our young and rapidly growing team at Zycus is looking to fill out vacant positions for Lead Engineers. We are a well established SAAS based company, with 20+ years of AI legacy and experience in the industry. Once you join us, you will get to innovate and experience the latest technologies including Artificial Intelligence, Machine Learning and AWS Cloud. We are looking for candidates well versed with Java/J2EE, Spring boot, Microservices, Hibernate, JMS/ Kafka/ Rabbit and most importantly an expert in design patterns. Exposure to Cloud platform, Full stack environment and Agile methodology, would be a plus.
We are looking for curious, collaborative candidates who are willing to learn and ready to take up new exciting endeavors. You are going to work together with the team on complex innovative projects in the industry. We are basically looking for an enthusiastic candidate with a coding experience of about 5-10 years, with a hands-on experience in Software Product Development and ownership.
You could be a perfect fit if you,
- understand use cases and product requirements, can design, develop, review (code/design), unit test, module test, integration test, documentation for PDLC.
- are an expert in maintaining, enhancing, bug fixing and following standard documentation process laid down for the project.
- follow the defined PDLC process and participate in improving the process, work with cross functional team to achieve project delivery goal.
- ensure all the work meets or exceeds predefined quality standards through exhaustive testing, peer reviews SQA process standards.
- are able to build solution which is easily scalable, high speed/ real-time performance, configurable, deploy-able and secure in SaaS environment using any open source tech stack.
- are able to identify, track and mitigate risks to the product
- are responsible for planning product iterations and releasing iterations on schedule.
Requirements
- 5-10 years’ experience in Java, J2EE and associated technologies (Spring, Hibernate, Web Services, Micro Services, Spring boot)
- Technical Skills: Core Java, Advanced Java, J2EE, Exception handling, Collections, Oops, UML, Oracle, Jenkins, Maven & Linux
- Should be able to build solutions which is easily configurable, deploy able and secure in SaaS environment.
- Must have worked spring boot Extensively.
- Strong hands on development experience in Java, J2EE.
- Product development experience in agile environment will be a big plus though not mandatory.
- Highly Tech Savvy and hands-on.
- Strong evidence of a solution/product created ground up.
Product Development:
- Has in-depth knowledge on technology and end to end development processes.
- Has the ability to recommend new processes/alternatives to meet Product development requirements and rolling them out the team.
Benefits
Five Reasons Why You Should Join Zycus
- Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.
- A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.
- Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization
- Get a Global Exposure: You get to work and deal with our global customers.
- Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.
About Us
Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.
Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-to-use user interface ensures high adoption and value across the organization.
Start your #CognitiveProcurement journey with us, as you are #MeantforMore










