
š§ Ā Job Description: Senior Java Developer (8+ Years Experience)
Location:Ā Mumbai, India
Employment Type:Ā Full-time, Hybrid mode of working
Company:Ā Wissen Technology
Website:Ā www.wissen.com
š About Wissen Technology
Wissen Technology is a specialized technology consulting firm delivering cutting-edge solutions to global leaders in Banking & Finance, Telecom, and Healthcare. Established in 2015 and part of the Wissen Group (founded in 2000), Wissen has scaled rapidly with impressive impact and recognition.
- š Offices in US, UK, India, Australia, Mexico, and Canada
- š„ 1700+ Wissen Technology professionals; part of a 4500-strong Wissen Group
- š Great Place to WorkĀ® Certified
- š§ Featured as a Top 20 AI/ML Vendor (CIO Insider, 2020)
- š Achieved 400% revenue growth in 5 years (with zero external funding)
- š¼ Delivered $1B+ worth of projects to 50+ Fortune 500 companies
Learn more about our work and thought leadership:
šĀ Articles by WissenĀ | š¼Ā LinkedIn
About the Role
We are seeking an experiencedĀ Senior Java DeveloperĀ with 8+ years of hands-on expertise in building scalable, high-performance applications. The ideal candidate will have strong fundamentals inĀ Java, OOPS, Multithreading, Spring concepts, and SQL, and will play a key role in designing, developing, and optimizing enterprise-grade solutions.
Key Responsibilities
- Design, develop, and maintain complex applications usingĀ Core JavaĀ andĀ Spring frameworks
- Apply advancedĀ Object-Oriented Programming (OOPS)Ā principles to deliver clean, modular, and reusable code
- Implement and optimizeĀ multithreaded applicationsĀ for high-performance systems
- Work withĀ SQL databasesĀ for efficient data modeling, query optimization, and integration
- Collaborate with cross-functional teams to gather requirements and translate them into technical solutions
- Conduct code reviews, troubleshoot issues, and ensure adherence to best practices
- Mentor junior developers and contribute to technical knowledge sharing within the team
- Ensure application scalability, performance tuning, and security compliance
Required Skills & Qualifications
- Bachelorās/Masterās degree in Computer Science, Engineering, or related field
- 8+ years of professional experience inĀ Java development
- Strong expertise inĀ Core Java, OOPS, and Multithreading
- Hands-on experience withĀ Spring conceptsĀ (Spring Core, Spring MVC, Spring Boot preferred)
- Proficiency inĀ SQLĀ and database design (MySQL, Oracle, PostgreSQL, etc.)
- Solid understanding of software development life cycle (SDLC) and Agile methodologies
- Strong analytical, problem-solving, and communication skills
š Why Wissen?
Join a company that combines start-up agility with enterprise stability. Work alongside some of the brightest minds from institutions like MIT, Wharton, IITs, IIMs, and NITs. Be part of mission-critical projects for Fortune 500 giants, and grow in a culture that invests in your future.

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 WorkĀ®. 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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JOB DESCRIPTION
Experience: 3-8 years
Wissen Technology is now hiring for a JavaĀ Developer - Mumbai with hands-on experience in CoreĀ 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.Ā
Required Skills:
- Exp. - 3-8 years
- Experience in CoreĀ JavaĀ 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 Tamasha
Tamasha is building next-generation live, social, and real-time consumer
experiences across gaming, audio, video, and interactive platforms. Our backend
systems power millions of real-time interactions, low-latency data flows, and high
throughput event-driven services.
Role Overview
As a Software Development Engineer III (Backend), you will operate as a senior
individual contributor owning mission-critical backend systems. You will design
scalable architectures, solve complex distributed systems problems, and influence
engineering standards across teams.
Roles & Responsibilities
ļ· Own backend systems end-to-end, from design and implementation to
production reliability and long-term evolution.
ļ·
Design scalable, fault-tolerant, and low-latency backend architectures for real
time and event-driven use cases.
ļ·
Lead system design decisions including data models, service boundaries, async
workflows, and scalability strategies.
ļ·
Build and operate high-throughput services handling millions of events, requests,
or messages per day.
ļ· Own reliability metrics such as p95/p99 latency, uptime, error budgets, and
participate in incident resolution and post-mortems.ļ·
Drive architectural migrations including monolith to microservices and
synchronous to asynchronous flows.
ļ· Collaborate with product, frontend, and data teams to translate complex
requirements into robust backend solutions.
ļ·
Improve developer productivity by contributing to internal platforms, tooling,
CI/CD pipelines, and coding standards.
ļ·
Mentor engineers through design reviews, code reviews, and technical guidance
without direct people management.
ļ·
Proactively identify performance bottlenecks, cost inefficiencies, and scalability
risks and resolve them at the system level.
Tech Stack
Backend: Node.js (NestJS / Express), Golang, Java
Databases: PostgreSQL, MySQL, MongoDB, Redis
Messaging & Async: Kafka, SQS, RabbitMQ, Pub/Sub
Real-time: WebSockets, Server-Sent Events
Cloud & Infra: AWS / GCP, Docker, Kubernetes
Observability: Prometheus, Grafana, OpenTelemetry
What Weāre Looking For
⢠5+ years of backend engineering experience
⢠Proven ownership of production systems at scale
⢠Strong understanding of distributed systems and async architectures
⢠Experience handling production incidents and system reliability
⢠Ability to independently design and evolve backend systems
Staff Engineer :
Ā
Job Description
Egnyte is seeking an experienced Staff Software Engineer to join our Engineering department. The Engineering department builds large distributed components and services that run Egnyte's Cloud Platform. Our code serves billions of requests per day with sub-second latency in a fault-tolerant environment. We process and analyze millions of files and events daily. Some of the responsibilities for this department include Egnyte's Cloud File System, Content Classification, Content Lifecycle Management, User Behavior Analysis, Object Store, Metadata Stores, Search Systems, Recommendations Systems, Synchronization, and intelligent caching of multi-petabyte datasets. We are looking for candidates with a shared passion for building large-scale distributed systems and a keen sense for tackling complexities that come with scaling through multiple orders of magnitude.
In this role, you will (But are not limited to):
- Design and develop highly scalable and resilient cloud architecture that seamlessly integrates with on-premises systems
- Drive the teamās goals and technical direction to find and pursue technical opportunities that make Egnyteās cloud platform more efficient
- Effectively communicate complex design and architecture details
- Understand company and industry-wide trends to help develop new technologies
- Conceptualize, develop, and implement changes that prevent key systems from becoming unreliable, under-utilized, or unsupported
- Own all aspects of critical software projects from design to implementation, QA, deployment, and monitoring
Qualifications
- BS, MS, or PhD. in Computer Science or related technical field, or equivalent practical experience
- 8-15 years of professional experience in engineering with a history of technical innovation
- Experience providing technical leadership to engineers
Bonus Qualifications (Good to Have)
- The breadth of knowledge across infrastructure domains, with the ability to reason about everything from data center machine software to database solutions to machine learning infrastructure to front-end web or mobile applications
- Demonstrated success in designing and developing large-scale, complex systems
- Expertise with multi-tenant, highly complex, cloud solutions; experience with Hybrid and/or on-premises solutions desired
Ā
About Egnyte
In a content critical age, Egnyte fuels business growth by enabling content-rich business processes, while also providing organizations with visibility and control over their content assets. Egnyteās cloud-native content services platform leverages the industryās leading content intelligence engine to deliver a simple, secure, and vendor-neutral foundation for managing enterprise content across business applications and storage repositories. More than 16,000 customers trust Egnyte to enhance employee productivity, automate data management, and reduce file-sharing cost and complexity. Investors include Google Ventures, Kleiner Perkins, Caufield & Byers, and Goldman Sachs. For more information, visitĀ www.egnyte.com
Summary
Ā
Miko is an advanced consumer robotics innovation lab focused with the mission of Bringing Robotics and AI to every consumer home. Founded by young and dynamic entrepreneurs from IIT Bombay, Miko is a global deep tech company with offices in US, UK and India, and customer base across 140+ countries. Focused on taking Robotics and AI to every consumer home, Miko is the first of its kind "content on subscription" hardware platform for kids powered by patented technology.Ā
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Our flagship products, Miko 3 and Miko Mini (www.miko.ai), are playful companion robots that engage, educate and entertain kids. Their unique approach is to focus on child learning and development through self-initiated contextual topics that encourage conversational learning. It hosts a powerful marketplace for third party content partners to plug their content and connect with Miko users on subscription.Ā
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Miko is powered by a proprietary emotional intelligence and adaptive personality engine, complex conversational and multilingual AI framework, edge and hybrid speech & vision recognition along with an active learning and behavioral analysis engine. All of this is built over an autonomous navigation system, which enables Miko to offer a range of benefits for the user.Ā
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The team at Miko team is an interdisciplinary team consisting of team members from electronics, embedded system, mechanical, industrial, robotics and AI engineering domains, Human Robot Interface designers, UI/UX designers, mobile and cloud software engineers, content creators, artists, mathematicians, neuropsychologists, marketing and sales mavericks, Customer support professionals and knowledge partners.Ā
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The Role
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We are looking for a middleware software engineer to join the team. In this role you will be working on designing, developing and optimizing the middleware stack for current as well as new companion robot products.
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Work Experience & Qualifications
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2 years or higher industry experience in the Software domain. No restrictions on degree/qualifications; only skills matter. (* for Junior role)
Responsibilities
- Designing and developing software on the product to enhance current functionality and add new features. Lead the technical delivery of assigned tasks/projects.
- Consistent coordination and collaboration with the Backend, AI, Product and QA team for efficient development cycles and testing for new features and improvements.
- Operating in an Agile/Scrum environment to deliver high quality software against aggressive schedules
- Ability to diagnose, troubleshoot and perform root cause analysis of critical business and production issues
- Strong technical leadership with experience building software engineering teams. Demonstrate strong ambiguity resolution skills to be able to break down ambiguous problems into simpler milestones and delegate to junior engineers
Ā
Requirements & Skills
- 2+ years of experience as a Software Engineer
- Expertise in C/C++ and Java
- Strong understanding of environment management, release management, code versioning best practices, and deployment methodologies.
- Experience with implementing various communication protocols like I2C, SPI, UART
- Experience working on Embedded Linux OS and Android
- Demonstrated experience in developing multi-threaded applications
- Experience with IPC including socket programming
- Should have hands on experience and thorough knowledge in STL, BOOST understanding of data structures and algorithms
- Experience with using Git as a version control system
- Excellent coding and debugging skills
- Ability to work in a fast paced environment
- Excellent verbal and written communication skills
Ā
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We are seeking a skilled Node.js + Python Developer to join our team. The successful candidate will be responsible for developing and maintaining web applications using Node.js and Python. The ideal candidate will have a strong understanding of both Node.js and Python, as well as web application development. Responsibilities:
Developing and maintaining web applications using Node.js and Python
Write clean and efficient code that adheres to Node.js and Python coding standards
Collaborate with other developers and team members to design and implement new features
Troubleshoot and debug issues in existing code
Create and maintain technical documentation
Requirements:
Strong knowledge of Node.js and Python
Familiarity with front-end technologies such as HTML, CSS, and JavaScript
Experience with MySQL/Mongo and database design
Good understanding of object-oriented programming and design patterns
Strong problem-solving skills and attention to detail
Good communication skills and ability to work in a team environment
Preferred Qualifications:
Experience with popular Node.js frameworks such as Express or Koa
Experience with OpenAi APIs
Knowledge of machine learning and data science libraries in Python such as TensorFlow, Scikit-learn, and Pandas
Experience with RESTful API development
Experience with payment gateway integrations
Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
Requirements
- Degree in Computer Science or related field.
- Experience with user interface design, database structures, and statistical analyses.
- Analytical mindset and good problem-solving skills.
- Excellent written and verbal communication.
- Good organizational skills.
- Skills required- Java , Springboot , Hibernate , Database
Who are we? Ā
Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users.Ā
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What sets us apart from the rest?
With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.
With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space.Ā
We are pleased to have an Employee rating of 4.6 on Glassdoor and our Customer obsession can be seen in our reviews on platforms like G2 Crowd & Gartner Peer Insights.
The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - Sequoia Capital || Stellaris || Cisco || Eight Roads || Helion Ventures
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āHustle Mode ONā is something we live by.
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Our Team:
The Engineering team at Whatfix provides end to end engineering throughput that forms part of core platforms and services that drive Whatfix business.
Our team is responsible for creating the Customer Platform and everything around it be it Analytics, Infrastructure or Core Algorithms. The team owns and is responsible for all pieces that we design, build and support end to end for Whatfix product/ business.
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Ā Your Opportunity:
As part of the Core Engineering Team @Whatfix, youāll have the opportunity to make a difference by being a part of the development team that builds future forward products. At Whatfix itās all about scale. One of the key attributes of this job is that you are required to continuously innovate and apply technology to provide business 360 views of Whatfix customers.
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Ā Your Responsibility:
- Define architecture blueprints & take complete technical ownership of high-level design, tech stack, non-functional attributes of one or more components of various platforms
- Design, build, test and deploy cutting edge solutions at scale, impacting millions of customers worldwide
- Work closely with other architects in the team and ensure architectural consistency and technical excellence of the products and platforms
- Work with engineering teams in building high-quality and highly resilient scalable products and platforms at Whatfix
- Work with cross-functional teams to address all technical dependencies
- Drive some of the company-wide tech initiatives striving towards continuous technical excellence of our platforms
- Actively participate in technical innovations, external presentations, technical publications etc.
- Identify right open source tools to deliver product features by performing research, POC/Pilot and/or interacting with various open-source forums
- Deploy and monitor products on Cloud platforms
Ā
Ā Our Ideal Candidate:
You have a deep interest and passion for technology. You love writing and owning code and enjoy working with people who will keep challenging you at every stage. You have strong problem solving, analytic, decision-making and excellent communication with interpersonal skills. You are self-driven and motivated with the desire to work in a fast-paced, results-driven agile environment with varied responsibilities.
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Ā Your Qualifications:
- 11+ yearsĀ of experience as an Engineer
- Ability to work with teams in a collaborative and productive manner
- Strong computer science fundamentals in data structures and algorithms
- A self-motivated learner and builder with strong customer focus and obsession with quality
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Ā Must-Have:
- Strong Expertise in Backend Technologies- Java, Spring Boot, etcĀ
- Expertise in working with AWS or other cloud infrastructures like Azure or Google Cloud, and using Infrastructure-as-Code tools
- Analyze Functional & Non-Functional requirements with effort estimation and deployment strategies
- Hands-on in Architecting and developing large scale applications
- Hands-on debugging skills
- Design for performance, scalability, fault tolerance and high availability
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Ā Good to have:
- Experience in Client-side technologies such as jQuery
- Experience in Front End Technologies is good to have (Javascript, React)
- Experience with Storage systems - NoSQL (Cassandra/MongoDB)
- Leveraging cutting edge technologies like Kubernetes, Docker, etc. to design and build new infrastructure features
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Ā Ā Behavioural traits:Ā
- Excellent communication and technical leadership skills
- Can-do attitude to take BIG problems by their horns and solve them
- Ability to inspire others & be a role model and mentor for upcoming engineers in the organization
- Entrepreneurial spirit to conceive ideas, turn challenges into opportunities and build products
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We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status
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Java with cloud
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Ā Core Java, SpringBoot, MicroServices |
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- DB2 or any RDBMS database application development |
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- Linux OS, shell scripting, Batch ProcessingĀ |
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- Troubleshooting Large Scale applicationĀ |
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- Experience in automation and unit test framework is a mustĀ |
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- AWS Cloud experience desirableĀ |
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- Agile Development ExperienceĀ |
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- Complete Development Cycle ( Dev, QA, UAT, Staging) |
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- Good Oral and Written Communication Skills |
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Responsibilities for Staff Engineer role:
- Having experience in Java along with Springboot, Micorservices, RDBMS
- Experience required: 6yrs to 8 yrs.
Java
J2ee
working experience with one or more clouds
Understanding of design architecture
Experience with Traditional databases and nosql databases
Sound in Algorithms,data structures and problem solvingĀ
Good at coding and design










