
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java and Spring Boot.
- Build and consume RESTful APIs and integrate with third-party services.
- Develop scalable microservices and distributed systems.
- Optimize application performance, reliability, and security.
- Write clean, maintainable, and well-documented code.
- Collaborate with front-end developers, QA engineers, DevOps, and product teams.
- Troubleshoot production issues and implement bug fixes.
- Participate in code reviews and follow software development best practices.
- Contribute to CI/CD pipelines and deployment processes.
Required Skills & Experience
- Strong proficiency in Java (Java 8/11/17+).
- Hands-on experience with Spring Boot, Spring MVC, Spring Data JPA, and Spring Security.
- Experience building RESTful APIs and microservices.
- Knowledge of Hibernate/JPA.
- Strong understanding of SQL databases such as MySQL or PostgreSQL.
- Familiarity with Git and version control.
- Understanding Maven or Gradle.
- Knowledge of unit testing frameworks such as JUnit and Mockito.
- Understanding object-oriented programming principles and design patterns.

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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- 3+ years of experience in the Development in JAVA technology.
- AWS or cloud Experience
- Strong Java Basics
- SpringBoot or Spring MVC
- Hands on experience on Relationl 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:
- 3+ 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.
Requirements:
Java developer responsibilities include designing, developing, Testing and delivering high-volume, low-latency applications for mission-critical systems.
1. Proven hands-on Software Development experience
2. Proven working experience in Java development
3. Hands on experience in developing applications using Java EE platforms
4. Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
5. Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
6. Experience in the Spring Framework
- Experience building large scale, large volume services & distributed apps., taking them through production and post-production life cycles
- Experience in Programming Language: Java 8, Javascript
- Experience in Microservice Development or Architecture
- Experience with Web Application Frameworks: Spring or Springboot or Micronaut
- Designing: High Level/Low-Level Design
- Development Experience: Agile/ Scrum, TDD(Test Driven Development)or BDD (Behaviour Driven Development) Plus Unit Testing
- Infrastructure Experience: DevOps, CI/CD Pipeline, Docker/ Kubernetes/Jenkins, and Cloud platforms like – AWS, AZURE, GCP, etc
- Experience on one or more Database: RDBMS or NoSQL
- Experience on one or more Messaging platforms: JMS/RabbitMQ/Kafka/Tibco/Camel
- Security (Authentication, scalability, performance monitoring)
Job Description:
- Experienced in developing .NET Core, http://asp.net/" target="_blank">ASP.NET MVC, Web applications, WEB /REST APIs with C# Language.
- Proficient in OOP and design Skilled in the use of Structured Query Language (SQL) as a tool for retrieving, updating, inserting, deleting, manipulating, and managing data stored in enterprise databases.
- Strong knowledge of Database concepts and Relational Database Management Systems such as Microsoft SQL.
- Work closely with the other team members to meet the goals.
- Work with Quality Analysts to ensure changes are thoroughly tested before release.
- Communicating project status and timelines to business stakeholders and IT management.
• Excellent interpersonal/communication skills, both verbal and written •
• 7+ years of experience in Java/Node.js, REST/Graph QL, Redis on AWS Fargate • Design and develop high quality back-end code (Node.js/Go/JAVA) • Excellent in one or more Go, Java, Node.js skills • In-depth knowledge of Restful / GraphQL API, JSON.
• Experience with CI/CD and tools like Git, Bitbucket and Jenkins.
• Solid understanding of relational databases (e.g., Postgres, MySQL) and experience in NoSQL (e.g., Graph DB, MongoDB, DynamoDB).
• Developing new software applications, features, and distributed services that support a high-scale web application
• Experience working in a fast-paced environment; continuous deployment, test-driven development, agile methodologies
• Stay current with the latest back-end technologies and best practices and share your findings with the team
• Help evolve our backend stack and mentor our other developers when it comes to patterns and best practices
• Work as part of an agile team across a variety of application domains
• Write structured, tested, readable and maintainable code • Participate in code reviews to ensure code quality and distributed knowledge
• Ability to contribute to each step of the product development process (ideation, implementation, and release)
• Experience with performance tuning, profiling, and debugging applications
Looking for someone with 6+ years of exp and has worked on scalable systems and has good understanding of architecting systems with Redis, Elasticsearch and Kafka.
We are looking for a Senior Java Developer with good product development experience to join our founding engineering team.
👋 Hi! We are Threado
At Threado, we are building the future of community experience for businesses. Community-led growth is the most sustainable way to build businesses and we want to help drive this shift in the years to come. We are a seed stage product-led startup building the best-in-class community management platform for community professionals across the globe.
Threado was founded by Pramod Rao and Abhishek Nalin. Prior to Threado, Pramod was a founding team member and VP, Marketing at Zomato. He comes with a decade of experience in community building and user growth. Abhishek was the Director of Engineering at BillTrim and CTO at Smart Audit. He has years of experience in engineering design, architecture and building SaaS products.
⛰Welcome to ground zero!
"The journey of a thousand miles begins with one step." - Lao Tzu
You'll be joining us at the early stages of our journey. We are a small, fun and passionate team with an ambition to build the next generation of community infrastructure. If you love technology, enabling engaging social experiences, and are interested in building a product for the global market, you are one of us. Join us in the journey ahead!
🛠What can you expect at Threado?
You'll be involved in:
- Shaping the APIs integrations marketplace and designing and developing solutions on top of APIs.
- Taking a business problem, coming up with solutions, leading the technical design and implementation of the solution.
- Writing clean, maintainable and reusable code along with test cases.
- Mentoring junior developers.
🥷 We are looking for:
- Proficient with Java. Good understanding of Spring framework.
- Good understanding of SQL (MySQL or PostgreSQL). Experience with No-SQL (Cassandra, MongoDB, DynamoDB) will be a plus.
- Experience in server-side services using Redis, Elasticsearch, Kafka will be a plus. Working experience of Microservices would be a plus.
- Experience with AWS stack. Experience with CI/CD processes.
- Good written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
- Bachelor's Degree in Computer Science or related field with 4+ years of experience in software development.
💭 Parting thoughts on why Threado:
- Opportunity to join a small passionate team in the early days of building a global SaaS business out of India
- Take the path less traveled, have fun building and enjoy the learning journey
Must have experience / knowledge in Cluster Management Frameworks(e.g., Spark), Kafka,ElasticSearch, Docker, Kubernetes and database, build-and-test(preferred).
Must have hands-on experience with Java, Spring Boot & Hibernate
Must have good experience with Cloud (AWS/Azure/GCP)
Demonstrate project management skills
Experience with customer facing and handling customer expectations
Must have excellent verbal and written communication skills
Skills:
Java
very strong on Spring frameworks
Hibernate
Relational Database (Pref PostgresQL)
AWS / Azure
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 per day in the next 4 years in a profitable and sustainable manner.
You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/
Role & Requirements
- 2+ year experience in application development
- ability to write efficient SQL queries and design schemas for relational databases
- good knowledge of operating systems and networking concepts
- experience in using and understanding code from Open Source
- experience with implementing best software engineering practices like version control with git, code reviews, writing unit-tests, writing readable code
- experience with Python and Django is a plus.
- inclination towards researching new technologies and adapt them to solve challenges we face
We look for engineers who
- Are committed to their growth and learning
- care about working in and building a strong engineering culture
- want to take significant ownership and decision making power
- want to make an impact in the real world while working with a great team in a hyper-growth environment










