
JOB DESCRIPTION:
Location: Pune, Mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.

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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Greetings from Wissen Technology!
We are hiring Java Developers for Mumbai location.
Exp - 4 - 8 years
Location - Mumbai (Goregaon) - Hybrid
Notice Period - immediate or serving notice period only
Interview Process - Initial rounds virtual + Final round F2F
Software Engineer/Senior Software Engineer/Lead Engineer-Java
· Experience in Core Java 5.0 and above, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux
· Possess good architectural knowledge and be aware of enterprise application design patterns.
· Should have the ability to analyse, design, develop and test complex, low-latency client-facing applications.
· Good development experience with RDBMS
· Good knowledge of multi-threading and high volume server side development
Basic working knowledge of Unix/Linux
· Excellent problem solving and coding skills in Java
· Strong interpersonal, communication and analytical skills.
· Should have the ability to express their design ideas and thoughts.
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
Position: Lead Backend Engineer
Location: Remote
Experience: 10+ Years
Budget: 1.7 LPM
Employment Type: [Contract]
Required Skills & Qualifications:
- 10+ years of proven backend engineering experience.
- Strong proficiency in Python.
- Expertise in SQL (Postgres) and database optimization.
- Hands-on experience with OpenAI APIs.
- Strong command of FastAPI and microservices architecture.
- Solid knowledge of debugging, troubleshooting, and performance tuning.
Nice to Have:
- Experience with Agentic Systems or ability to quickly adopt them.
- Exposure to modern CI/CD pipelines, containerization (Docker/Kubernetes), and cloud platforms (AWS, Azure, or GCP).
Java Developer – Job Description
Wissen Technology is now hiring a Java Developer 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 consultancy.
Required Skills:
• Exp. - 4 to 9 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.
We are looking for Flutter Developers responsible for developing cross-platform mobile
applications.
Work Details:
● Building modern and cross platform mobile applications using Flutter.
● Collaborating with the Planning and Design teams to bring ideas to life.
● Performing app profiling and improving performance.
● Improving code quality through code reviews.
● Developing new features, maintaining code, and fixing/debugging issues.
You need to have:
● One or more published Flutter apps on the App Store / Play Store.
● Good understanding of Flutter and Dart.
● Beginner to intermediate level knowledge of Java, Kotlin or Swift.
● Good understanding of code versioning tools such as Git etc.
● Willingness to learn about new technologies and trends in mobile.
● Familiarity with cloud message APIs and push notifications.
● Working knowledge of Reactive programming is a plus.
● Working knowledge of the general mobile landscape, architectures, trends, and emerging
technologies.
● Bachelor’s degree in Computer Science or related field, or equivalent professional
experience.
● Experience working with agile teams and making rapid decisions in a dynamic and
disruptive environment.
● Strong communication skills.
Benefits:
● Working with the latest technologies in an early-stage product startup, with plenty of
opportunities to learn
● You will work directly under the mentorship of other senior designers/developers and the
startup's founders.
Summary
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.
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.
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.
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.
The Role
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.
Work Experience & Qualifications
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
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
Roles and Responsibilities:
- Developing Simple to Complex Functionality for Websites and Applications
- Write reusable code preferably using classes and libraries.
- Programming databases specially MySQL.
- Establishing projects from scratch or working on accessible projects
- Developing front-end and back-end applications.
- Take on multiple projects varying in size and complexity.
- Manage projects on AWS and other servers.
Desired Candidate Profile:
- Bachelor degree in Computer Science, Software Engineering or related discipline.
- 1 to 3 years of experience developing eCommerce web applications.
- Should be technically sound in OOPs Concepts.
- Programming databases specially MySQL/PostgreSQL.
- Knowledge of server side technologies like PHP 7/8, NodeJS, NUXT.
- Knowledge of client side technologies like Javascript, JQuery, VueJS.
- Experience in MVC Framework, especially laravel.
- Basic knowledge of HTML5, CSS, XML, JSON.
- Good command on PostgreSQL database and its optimization techniques.
- Exposure to database transactions, stored procedures and triggers.
- Experience working with third-party APIs and developing web services using REST/GRPC.
- Experience with SCM tools like svn/git.
- Ability to adapt and pick up new techniques and technology.
- Knowledge of web security and vulnerabilities.
- Ability to prioritize the work and multi-tasking.
- Excellent communication skills & self-motivated
● Excellent understanding of OO / Functional programming concepts.
● Strong expertise in design patterns and coding best practices.
● Experience in designing and building end to end distributed highly available N-tier web
high-traffic, scalable and high performance enterprise applications.
● A strong knowledge of Big data technologies like Hadoop , Spark, Kafka, distributed frameworks,
NoSQL databases would be great, if not, one should have a strong desire to learn.
● Experience in RESTful web service patterns, microservice architecture and containers.
JOB DESCRIPTION:
Roles and Responsibility :
- Lead and build the team in development
- Participate in the technical design of projects we made for our Clients
- Supervise and write efficient and reliable code; use best practices with our team
- Organize and participate code reviews
- Setup unit and integration tests
- Architecture and design of reusable server components
- Developing high performing REST APIs for application functionality
- Develop and maintain scalable server architecture serving millions of users every day.
Must Have Skill Sets :
- Should have 5+ years of experience in Mobile/web server and application development
- Mandatory: Strong development skills in Python ,Node.js, Typescript, Django Rest Framework, Linux, MongoDB
- Experience with client technologies like JavaScript, CSS3, HTML5, bootstrap, Angulars, React, Android App a plus
- Strong knowledge of data structures and computer fundamentals
- An ability to refract and understand large and separate code bases
- Experience with third-party libraries and APIs
- Forward-looking on potential technology choices
- Experience in building highly scalable, reliable systems
- Team handling experience.
• 3+ Years of experience as a Go Developer
• Experience in ReactJS (most preferred) or AngularJS similar front end frameworks
• Experience with the Python or/and Golang (preferably both), SQL, and design/architectural
patterns
• Experience in Java or dotnet or other opensource technologies is an added advantage
• Hands-on experience on SQL, Query optimization, DB server migration
• Preferably experience in Postgre SQL or MySQL
• Knowledge of NOSQL databases will be an added advantage
• Experience in Cloud platforms like AWS, Azure with knowledge of containerization, Kubernetes is an
added advantage
• Knowledge of one or more programming languages along with HTML5/CSS3,Bootstrap
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Experience with Threading, Multithreading and pipelines
• Experience in creating RESTful API’s With Golang or Python or Java in JSON, XMLs
• Experience with GitHub, Tortoise SVN Version Control
• Strong attention to detail
• Strong knowledge of asynchronous programming with the latest frameworks
• Excellent troubleshooting and communication skills
• Strong knowledge of unit testing frameworks
• Proven knowledge of ORM techniques
• Skill for writing reusable libraries Understanding of fundamental design principles for building a scalable
applicatio
Responsibilities:
- Design and deliver scalable web services, APIs and backend data modules.
- Understand requirements and develop reusable code using design patterns & component architecture and write unit test cases
- Collaborate with product management and engineering teams to elicit and understand the requirements and develop solutions
- Stay current with latest tools, technology ideas and methodologies; share knowledge by clearly articulating results and ideas to key decision makers.
Required Qualifications:
- 6+ years of experience writing multithreaded programs running in Java
- Experience on Java, Spring Boot,, Apache Nifi , workingDocker, EKS, Azkaban, Jenkins
- Experience with Git and build tools like Gradle/Maven/SBT.
- Strong understanding of object-oriented design, data structures, algorithms, profiling, and optimization.
- Have elegant, readable, maintainable and extensible code style.
- Experience on AWS is preferable
- Knowledge on top algorithms like sorting, heap/stack, queue, search, etc.
- Familiarity with test-driven development
- Thrive in a fast-paced environment, with ability to deliver code of quality quickly.
- Attention to details. Strong communication and collaboration skills.
- BS in Computer Science or equivalent










