Senior Java Developer at Wissen Technology · Bengaluru (Bangalore) · 5 - 10 years · Profitable · Posted 4 Aug 2026

JOB DESCRIPTION
Experience: 5-10 years
Wissen Technology is now hiring for a Senior 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. - 6-10 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
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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We are looking for a hands-on Camunda Developer with strong experience in workflow orchestration and backend development. The ideal candidate should be able to design, build, and optimize end-to-end business processes using Camunda (preferably Camunda 8) and work closely with engineering and business teams to implement scalable and resilient workflows.
Key Responsibilities:
- Translate business requirements into BPMN workflows using Camunda (preferably Camunda 8)
- Design and implement end-to-end process orchestration across systems
- Build and manage service integrations (REST APIs, event-driven systems)
- Develop and maintain Zeebe workers / microservices (Python)
- Collaborate with stakeholders to refine workflows and handle edge cases
- Implement error handling, retries, and compensation mechanisms
- Analyse and improve workflows for scalability, reliability, and performance
- Ensure data consistency and idempotent process execution
- Work with cross-functional teams including data and analytics for process observability
Ideal Candidate
- Strong Senior Camunda Developer / Workflow Orchestration Engineer Profiles
- Mandatory (Experience 1) – Must have 4+years of hands-on experience in backend development and workflow systems, demonstrable through production-grade work on business process automation or backend service development.
- Mandatory (Experience 2) – Must have strong hands-on experience with Camunda and BPMN 2.0, including designing, building, and deploying end-to-end business process workflows in production.
- Mandatory (Experience 3) – Must have hands-on experience with Zeebe workers and the Camunda 8 stack, built and maintained as part of real orchestration systems.
- Mandatory (Experience 4) – Must have strong production-level coding skills in Python, used for building and maintaining Zeebe workers and microservices.
- Mandatory (Experience 5) – Must have experience designing and working within microservices architecture and distributed systems, with clear understanding of service decomposition, inter-service communication, and distributed system failure modes.
- Mandatory (Experience 6) – Must have hands-on experience building and consuming REST APIs and working with event-driven systems (message brokers, pub/sub, event streams).
- Mandatory (Skills) – Must have strong debugging and problem-solving skills in production workflow environments, with specific examples of resolving complex issues such as stuck processes, race conditions, or data inconsistency bugs.
- Preferred (Experience 1) – Exposure to cloud platforms (AWS / GCP / Azure) and experience with data platforms (e.g., Snowflake).
- Preferred (Experience 2) – Understanding of finance-related workflows (billing, reconciliation, etc.).
Key Responsibilities:
- Involve in the Design And Development Of Scalable Backend Applications Using Java (Spring Boot).
- Mentor And Guide A Team Of Developers To Ensure High-Quality Deliverables.
- Take Ownership Of Solution Architecture, Coding Standards, And Design Patterns.
- Develop And Manage Restful Apis And Integrate Third-Party Services.
- Collaborate With Front-End Teams, Qa, And Stakeholders To Align Technical Implementation With Business Goals.
- Oversee Deployments In Hybrid Cloud Environments In Coordination With Devops Teams.
- Conduct Code Reviews, Lead Design Discussions, And Manage Agile Development Processes (Scrum/Kanban).
- Monitor Application Performance And Drive Improvements Proactively.
- Troubleshoot And Resolve Complex Software Issues Across Systems And Services.
Required Skills:
- 6+ Years Of Professional Experience In Java Development.
- Strong Hands-On Expertise In Spring Boot And Microservices Architecture.
- Working Knowledge Of Node.Js And Javascript/Typescript.
- Experience With Rest Apis, Sql/Nosql Databases (Mysql, Postgresql, Mongodb).
- Familiar With Ci/Cd Pipelines, Git, And Modern Devops Practices.
- Proven Ability To Lead Distributed Teams And Manage Deliverables In A Remote/Hybrid Work Setup.
- Strong Communication, Leadership, And Problem-Solving Skills.
Roles:
- Developing core infrastructure in Python, Django.
- Developing models and business logic (e. g. transactions, payments, diet plan, search, etc).
- Architecting servers and services that enable new product features.
- Building out newly enabled product features
- Minimum 4 years of industry or open-source experience.
- Proficient in at least one OO language: Python(preferred)/Golang/Java.
- Writing high-performance, reliable and maintainable code.
- Good knowledge of database structures, theories, principles, and practices.
- Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
•Design and develop distributed, scalable, high availability web services.
•Work independently completing small to Mid-sized projects while
managing competing priorities in a demanding production environment.
•you will be writing reusable and maintainable quality code.
What You'll Bring
•BS in CS (or equivalent) and 4+ years of hands-on software design and
development experience in building high-availability, scalable backend
systems.
•hands-on coding experience is a must.
•Expertise in working on Java technology stacks in Linux environment -
Java, Spring/ Hibernate, MVC frameworks, TestNG, JUnit.
•Expertise in Database Schema Design, performance efficiency, and SQL
working on leading RDBMS such as MySQL, Oracle, MSSQL, etc.
•Expertise in OOAP, Restful Web Services, and building scalable systems
Preferred Qualifications:
•Experience using Platforms such as Drools, Solr, Memcached, AKKA, Scala,
Kafka etc. is a plus
•Participation in and Contributions to Open-Source Software Development and contributions
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 a 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?
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 multitask, prioritize and handle dependencies with minimal oversight
From a technology perspective, you should have the knowledge and/or experience in a
reasonably sized subset of the following ( the more, the merrier!! )
Worked on one or more large scale java applications
Good understanding of nuances of distributed systems, scalability, and availability
Good knowledge of one or more relational and NoSQL databases and transactions
Shrewd focus on latency and throughput of services
In-depth understanding of concurrency, synchronization, NIO, memory allocation and GC
Experience with IaaS clouds like AWS/Google Cloud, Azure, OpenStack etc..
Experience in working with Message Brokers and Application Containers
Great ability to mentor and train other team members
Minimum 5-7years of professional experience building web-applications
Strong experience in backend development
Strong experience in AI/Machine Learning development, Data Analysis/Processing
Experience in creating robust and secure REST APIs
Hands-on exposure to RDBMS like PostgreSQL, MySQL, MariaDB etc.
Proficiency with one or more programming languages from Java, Python, Node/JavaScript
Solid familiarity working with cloud and related technologies, AWS, GCP and Azure cloud environments
Ability to do very quick research in unknown technologies
Startup mindset, comfort with chaos and multi-tasking ability
Strong programming fundamentals in Data Structures, Algorithms
An eye for writing performance optimum code in any tool set
We are looking for a seasoned technology professional who can use their experience to build effective teams, high-performance culture, scalable processes and mentor aspiring talent. The candidate must be entrepreneurial, hands-on in technology, must have experience with design, development, and delivery of mobile apps, web applications and tech platforms, at scale. It is highly important for the candidate to have experience with eCommerce and is expected to have some experience in the retail sector, building technology systems and platforms.
The person is expected to be a technology leader with the capability of building and leading a high-performance engineering team.
Responsibilities
- Provide Technical authority in prospective meetings with other departments and provide guidance to developers
- Provide Hands-on Technical leadership, in the development, operation, and improvement of services
- Work with the wider team to ensure high-quality code is delivered in line with the project goals and delivery cycles
- Work with product managers to understand user needs for new/existing services
- Work closely with designers to deliver rapid prototypes as well as production code to ensure high accessibility standards are upheld. We expect familiarity with modern frameworks and languages, as well as best practices such as Clean Code, TDD, BDD, continuous integration, continuous delivery, and DevOps
- Attract, hire, retain and develop top-notch engineering/technology talent
- Implement technology product(s) as per the product requirements, using appropriate technologies
- The company’s tech-stack comprises Node.js (for Backend), MongoDB as the Database (MEAN stack), and Native App development (for iOS and Android)
- Communicate business goals to the engineers. Keep them focused on building the right product and in the right manner. Ensure that engineering is always adding business value and communicate this value to the business leaders
- Be an individual contributor if necessary. Engineering managers could spend ~20% of their time coding and contribute to the code base
- Perform regular code review of the code being developed by your team, to maintain the high quality of code
Qualification
- Computer Science & Engineering education/degree from an internationally recognized top technology institute or university
- 8-10 years of overall experience in the delivery of quality scalable and extensible software. Should currently be leading a team of top-notch developers as an Engineering Manager or Technical Architect.
- Experience of leading product development in B2C startups
- 4+ years of experience in architecting, designing, developing, and scaling high-quality mobile apps and end-to-end systems (consumer-facing and business-facing systems), under tight timelines and delivery pressure
- Experience with backend software development at a high scale. Experience with distributed systems, service-oriented architecture (SOA), and microservices design.
- Capacity to take the complete responsibility of developing and delivering a product-mobile apps and backend. Has good design sense. Has to experience with Node.js.
- Knowledge of new and cutting-edge technologies & tools. Experience working on complex projects having Analytics, Data-Science and Machine Learning components.
ABOUT THE JOB
We are looking for a Senior Software Engineer to join our team. We believe in giving engineers responsibility, not tasks. Our goal is to motivate and challenge people to do their best work. To do that, we have a very fluid structure and give people flexibility to work on projects that they enjoy the most. This develops more capable engineers, and keeps everyone engaged and happy.
Responsibilities
- Design, develop, test, deploy, maintain and improve the software.
- Manage individual projects priorities, deadlines and deliverables with your technical expertise.
- Identify and solve for bottlenecks within our software stack.
ABOUT YOU
Rubrik Software Engineers are self-starters, driven, and can manage themselves. Bottom line, if you have a limitless drive and like to win, we want to talk to you - come make history!
- Bachelor’s or Master’s degree or equivalent in computer science or related field
- 8+ years of relevant work experience,
- Proficiency in one or more general purpose programming languages like Java, C/C++, Scala, Python
- Experience with Google Cloud Platform/AWS/Azure or other public cloud technologies is a plus
- Experience working with two or more from the following: Unix/Linux environments, Windows environments, distributed systems, networking, developing large software systems, file systems, storage systems, hypervisors, databases and/or security software development.
ABOUT THE TEAM
Galactus team owns the end to end development of Rubrik’s data management suite for commercial public clouds - AWS, Azure and GCP. Our objective is to bring the simplicity of Rubrik’s on-prem data protection and management offerings to our customers in the cloud through a solution designed from ground up to be highly scalable, available & secure and yet optimized to minimize our customer’s cloud costs. We achieve this by taking a cloud-first approach to design - leveraging technologies built for the scale, elasticity and automation needs of the cloud; and deploying on our brand new SaaS platform called Polaris.
Recently we have :-
- Built policy based backup and recovery for Virtual Machines in AWS, Azure and GCP and managed databases in AWS.
- Built features like granular file recovery leveraging managed Kubernetes Service in AWS for elastic compute
ABOUT RUBRIK
Rubrik is one of the fastest-growing companies in Silicon Valley, revolutionising data protection, and management in the emerging multi-cloud world. We are the leader in cloud data management, delivering a single platform to manage and protect data in the cloud, at the edge, and on-premises. Enterprises choose Rubrik to simplify backup and recovery, accelerate cloud adoption, enable automation at scale, and secure against cyberthreats. We’ve been recognized as a Forbes Cloud 100 Company two years in a row and as a LinkedIn Top 10 startup.
Rubrik provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, national origin, age, disability or genetics. In addition to federal law requirements, Rubrik complies with applicable state and local laws governing nondiscrimination in employment in every location in which the company has facilities. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.






