
Minimum 3+ Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

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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Company Description
NonStop io Technologies, founded in August 2015, is a Bespoke Engineering Studio specializing in Product Development. With over 80 satisfied clients worldwide, we serve startups and enterprises across prominent technology hubs, including San Francisco, New York, Houston, Seattle, London, Pune, and Tokyo. Our experienced team brings over 10 years of expertise in building web and mobile products across multiple industries. Our work is grounded in empathy, creativity, collaboration, and clean code, striving to build products that matter and foster an environment of accountability and collaboration.
Responsibilities:
● Develop and Maintain: Write clean, efficient, and maintainable code for Java-based applications
● Collaborate: Work with cross-functional teams to gather requirements and translate them into technical solutions
● Code Reviews: Participate in code reviews to maintain high-quality standards
● Troubleshooting: Debug and resolve application issues in a timely manner
● Testing: Develop and execute unit and integration tests to ensure software reliability
● Optimize: Identify and address performance bottlenecks to enhance application performance
Qualifications & Skills:
● Strong knowledge of Java, Spring Framework (Spring Boot, Spring MVC), and Hibernate/JPA
● Familiarity with RESTful APIs and web services
● Mandatory hands-on experience with Mirth Connect for building, managing, and supporting integrations
● Proficiency in working with relational databases like MySQL or PostgreSQL
● Practical experience with AWS cloud services and building scalable, microservices-based architectures
● Experience with build tools like Maven or Gradle
● Understanding of version control systems, especially Git
● Strong understanding of object-oriented programming principles and design patterns
● Familiarity with automated testing frameworks and methodologies
● Excellent problem-solving skills and attention to detail
● Strong communication skills and ability to work effectively in a collaborative team environment
Why Join Us?
● Opportunity to work on cutting-edge technology products
● A collaborative and learning-driven environment
● Exposure to AI and software engineering innovations
● Excellent work ethic and culture
If you're passionate about technology and want to work on impactful projects, we'd love to hear from you
Job Title : Golang Backend Developer
Experience : 3+ Years
Location : Bangalore (Work From Office)
Notice Period : Immediate to 15 Days (Strict)
🚀 About the Role :
We are looking for a Backend Developer with strong Golang expertise to build scalable, high-performance systems. You will play a key role in designing microservices, handling concurrent workloads, and developing robust backend architectures for production-scale applications.
🔥 Mandatory Skills :
Strong hands-on experience in Golang, Microservices Architecture, REST APIs, Concurrency (goroutines & channels), PostgreSQL/MySQL, Redis, Messaging Systems (Kafka/RabbitMQ/SQS), AWS/GCP, Docker & Kubernetes, and CI/CD pipelines.
🛠️ Key Responsibilities :
- Design, develop, and maintain scalable backend services using Golang.
- Build high-performance REST APIs and microservices.
- Develop concurrent and distributed systems using goroutines and channels.
- Implement event-driven and asynchronous architectures.
- Optimize system performance, latency, and database efficiency.
- Integrate messaging systems and caching layers for scalability.
- Collaborate with cross-functional teams for end-to-end delivery.
- Ensure high code quality, testing, and system reliability.
- Monitor, debug, and enhance production systems.
Required Skills & Qualifications :
- Strong hands-on experience in Golang (must-have).
- Solid understanding of Concurrency in Go (goroutines, channels, worker pools).
- Experience with Microservices Architecture.
- Strong knowledge of RESTful API development.
- Proficiency in Databases : PostgreSQL / MySQL / MongoDB.
- Hands-on experience with Redis (caching).
- Experience with Messaging Systems: Kafka / RabbitMQ / SQS.
- Hands-on experience with AWS or GCP.
- Experience with Docker & Kubernetes.
- Familiarity with CI/CD pipelines (GitHub Actions, Jenkins, etc.).
- Strong understanding of Data Structures, Algorithms, and System Design.
Good to Have :
- Experience with gRPC-based microservices.
- Familiarity with monitoring tools like Prometheus, Grafana.
- Exposure to high-scale distributed systems.
- Experience with event-driven architectures.
- Knowledge of security practices (JWT, OAuth2, RBAC).
What We’re Looking For :
- Strong problem-solving and debugging skills.
- Ownership mindset with end-to-end feature delivery.
- Ability to write clean, efficient, and maintainable code.
- Comfortable working in a fast-paced, high-growth environment.
You can also register yourself on the below platform to proceed further :
Job Summary:
We are seeking a seasoned Java Backend Developer Lead to drive the design, development, and deployment of robust backend systems. This role requires hands-on coding expertise, architectural vision, and the ability to mentor and lead a team of developers in delivering high-performance, scalable applications.
Key Responsibilities:
- Lead the backend development team in designing and implementing microservices-based architectures using Java (preferably Java 11+).
- Architect and develop RESTful APIs and backend services using Spring Boot, Hibernate, and related frameworks.
- Collaborate with DevOps teams to streamline CI/CD pipelines using Jenkins, Docker, and Kubernetes.
- Ensure code quality through code reviews, unit testing (JUnit/TestNG), and integration testing.
- Optimize application performance and scalability through profiling and tuning.
- Guide team members in adopting best practices in software engineering, including Agile methodologies.
- Work closely with product managers, frontend developers, and QA teams to deliver end-to-end solutions.
- Maintain documentation and ensure knowledge sharing across the team.
Required Skills:
- Strong proficiency in Java, Spring Boot, and REST API development.
- Experience with relational databases (MySQL, PostgreSQL) and NoSQL (MongoDB, Redis).
- Familiarity with messaging systems like Kafka or RabbitMQ.
- Solid understanding of cloud platforms (AWS, Azure, or GCP).
- Experience with containerization and orchestration tools (Docker, Kubernetes).
- Excellent problem-solving, debugging, and analytical skills.
- Strong leadership and communication abilities.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- 7+ years of backend development experience, with at least 2 years in a lead role.
- Exposure to security best practices and performance testing tools like JMeter.
Mentoring teams to carry forward recognised and optimised solutions, building conducive environments for knowledge transfer and maintaining standards in terms of deliveries form a major part of responsibilities.
Responsibilities
- Design and develop robust scalable database systems
- Design, build and deploy internal applications to support our native technical ecosystem
- Collaborate with Subject-Matter experts to design data-driven modules for analysis
Qualifications
- Bachelor's or Master's degree in Computer Science, Information Systems, Engineering or equivalent
- 3-4 years of experience in Java
Skills
- Expertise in object-oriented programming concepts and data structures
- Strong knowledge of working with XMLs/Jsons
- Experience with large-scale distributed storage and database systems (MySQL, MongoDB, GraphDB)
- Good knowledge of indexing/search libraries like Lucene/Solr/Elasticsearch
- Exposure to Spring MVC architecture and RESTful APIs
- Well-versed with Agile methodology of SDLC
- Good to have: Knowledge of standard DevOps skills like Build tools (Maven/gradle), Continuous integration (Jenkins), Version Control (Github/Gitlab)
* You are a Coder, a Doer. YOU BELIEVE in actions ( *In short - You are less about Gyan and more about Samadhan* )
* YOU BELIEVE in software delivery with quality
* If you are passionate about technology, engineering best practices and using them to solve real and complex business problems.
* Badly written code or bad architecture irritates you the most.
* YOU BELIEVE in "Proof of the pudding is in the eating" so you are always tinkering and exploring new technologies
* YOU BELIEVE in building things the right way, invest in developer productivity and follow proven engineering practices to ensure that you spend the maximum amount of time working on problems that matter.
* Since work is a big part of your life, YOU BELIEVE in sharing knowledge and of course have fun in the process (company outings, team sports, lunches, etc)
You'll be expected to
1. Design highly scalable, testable code and follow Test Driven Development methodology - Able to write well organised, modularised code with test cases.
* Apart from writing code *
1. Take ownership of new products/features.
2. Contribute to the design and architecture of our backend APIs and deployment of microservices
3. Ensure adherence to engineering best practices and maintain the overall quality of our codebase.
4. Mentor and assist younger members of the team and perform code reviews.
5. Work with the product team to translate powerful ideas into everyday business value.
Qualifications
* Will prefer a Bachelor's degree or equivalent experience in Computer Science or related field
* Development experience with Java is a must; If you know Python and Go Programming Language that's great
* Experience in SQL and NoSQL databases with an insight into various data modelling use cases
* Sound with data structures and algorithms and have a good understanding of design patterns, software architectures
* Unquenching thirst to learn new technologies.
* Experience with CI/CD is a plus
What FreightFox gives you
- A high energy environment where you’ll be working alongside people who want to bring innovative tech solutions in the Indian landscape. Make in India for India.
- A chance to become a part of the early team of a budding start-up and help shape its growth path.
- Competitive Package
- Stocks - Be part of the early-stage startup and they benefit financially from the company’s growth
About FreightFox
We are a young and ambitious technology start-up in the Indian B2B Logistics space. Our aim is to change the future of freight in India by leveraging tech and data to deliver new and exciting possibilities in this space.
We’ve cautiously cultivated an environment where customers come first, where we validate our hypothesis first before writing even a single line of code, where our customers and prospects are our best advisors and where we truly believe that insights from data are critical to steering a business in the right direction.
We have raised $300K seed fund from Angel Investors in Dec 2020
- Experience with Hibernate and Spring.
- Experience with Springboot, spring MVC
- Experience with all phases of the Software Development Lifecycle, including system analysis, design, coding, testing, debugging and documentation
- Teamwork & collaboration skills to work across organizations
- Problem solving skills to develop quick yet sound solutions to resolve complex issues
- Programming Language(s): Java, J2EE, JSON, HTML, DHTML, HTML 5, XML, EXTJS.
- Experience with XML/HTTP and Web Services
- Experience with HTML, JSP, CSS, JQuery / Ajax / JSON,
- Experience /Knowledge of Angular, React.
- Experience building J2EE based Web Applications
- Experience with MySql.
About the Company
Based in California’s Silicon Valley, WebShar is focused on enabling innovative teams to bring their ideas to life. WebShar provides software development consulting services to innovative companies around the world. Through years of cutting edge technical expertise, the WebShar team utilizes their extensive knowledge of modern software development methodologies to help companies create innovative software solutions.
About the Job Role
Skills
Primary
- Java, J2EE, Spring MVC
- Hibernate or other ORM
- Web technology and security, REST framework
- Any one UI technology and ready to learn a new one.
- Database knowledge (MySQL, Oracle, Postgres)
- Unit testing frameworks
- Version Control (Eg., Git)
Good To Have
- Microservices architecture implementation using docker and kubernetes
- Web technologies like HTML, CSS and Javascript
- Python, Shell Scripting
Key Responsibilities
- Identify and analyze user requirements
- Prioritize, assign and execute tasks throughout the software development life cycle
- Document development phases
- Design database architecture
- Develop Java EE applications
- Write well-designed, efficient code
- Review, test and debug team members’ code
- Schedule product releases with internal teams
- Ensure our applications are secure and up-to-date
- Stay up-to-date on emerging technologies
Requirements
- 6 to 8 years of work experience as a Senior Java Developer or similar role
- Experience designing, building and testing Java EE applications
- In-depth knowledge of popular Java frameworks like Spring MVC
- Experience with Object-Oriented Design (OOD)
- Good delegation and time management skills
- Problem-solving abilities
- BSc in Computer Science, Engineering or relevant field
- 2+ years of professional software development experience
- 2+ years of object-oriented Java / J2EE development
- Full SDLC experience (requirements gathering, architecture, development, QA, etc- )
- Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
- Experience with SOAP / REST web services
- Knowledge of SQL
- Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
- Understanding concepts of CDN & Content Management
- Must have worked on any one messaging solutions
Bonus Points for micro service design and development experience
- Bonus points for any mobile development experience
- Used Agile methodology
- Experience leading or working with cross geography teams
- Bonus Points for experience working on Unix, shell scripting & Build Systems
- Experience in performance optimization is an added advantage
POSITION :
- You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
- Primary role in software development with object-oriented Java
- The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, and SQL.
- Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
- Work with a team of amazing developers and designers involved in the design and development of global platforms
- Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
- Drive the implementation of new technologies which improve our ability to build great customers products.
- Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
QUALIFICATION :
- A Bachelor's degree in Computer Science (or equivalent experience)
- M-Tech or advanced degree a plus
- Hackathon participation and accolades are a plus
Job Role :
Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.
OPPORTUNITIES :
- Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open source development frameworks and methodologies - on a variety of domains like eCommerce, Logistics and fulfilment, Mcommerce and a whole lot others.
- Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.











