
Java Developer – Job Description Wissen Technology is now hiring for a 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. - 4 to 7 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: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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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Responsibilities :
• Design, code, and implement highly scalable and reliable web-based applications.
• Coordinate with other team’s architect, engineers, and vendors, as necessary.
• Deliver on all phases of development work from initial kick-off, technical setup, application
development, and support.
• Identify exciting opportunities for adopting new technologies to solve existing needs and
predicting future challenges
• Perform ongoing refactoring of code, utilizing visualization and other techniques to fast-track
concepts, and delivering continuous improvement
• Work with product managers to prioritize features for ongoing sprints and managing a list of
technical requirements based on industry trends, new technologies, known defects, and issues
• Manage your own time, and work well both independently and as part of a team
• Quickly generate and update proof of concepts for testing and team feedback
• Embrace emerging standards while promoting best practices
Qualifications :
• Must have java experience
• Experience in computer science, computer engineering
• Web development work experience preferred
• Demonstrated experience in Agile development, application design, software development, and
testing
• Experience with building RESTful APIs
• Expertise in objected oriented analysis and design across a variety of platforms
• Thorough understanding of JSON, Web Service technologies, and data structure fundamentals
• Experience with adaptive and responsive development techniques
• Aptitude for learning and applying programming concepts
• Ability to effectively communicate with internal and external business partners
• Experience with a broad range of software languages and payments technologies is a plus.
Minimum 7-12 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin 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, HashTable, 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.
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
Job Description:
Engage in code design, testing, integration, deployment, and enhancements
Write high-quality code and take responsibility for tasks
Solve performance bottlenecks
Communicate and collaborate with product manager, QA, and UI/UX teams
Deliver with quality, on-time in a fast-paced start-up environment
Have a strong sense of code quality
Candidate Profile:
Bachelor’s/Master’s degree in Engineering, Computer Science (or equivalent experience)
At least 5+ years of relevant experience as a back-end engineer
Excellent Java and object-oriented development skills
Experience in building and scaling microservices
Strong problem-solving skills, technical troubleshooting, and diagnosing
Solid knowledge of RDBMS and NoSQL technologies
Experience in developing back-ends for enterprise systems
Knowledge of debugging performance and optimization techniques
Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
Good knowledge of cloud technologies eg. AWS
Demonstrated ability to deliver in a fast-paced environment
Work as a member of a team responsible for developing a HIPAA compliant secure care coordination platform in accordance with established processes. You will apply your knowledge of building scalable, distributed applications and have the opportunity to work with new technologies & frameworks such as Spring Cloud Netflix, AWS, Azure, NoSQL DB.
Essential Functions include but are not limited to the following.
You will be expected to:
- Contribute to all phases in the software lifecycle – requirements analysis, solution design, development, and deployment
- Maintain high quality standards for the work undertaken and be responsible for the quality of deliverables
- Ensure assigned projects are developed in accordance with established engineering processes, adhering to scope, schedule constraints and agile project plans
- Guide/mentor the less experienced team members
- Participate in code reviews
- Work effectively as part of a distributed team
- Document the features worked by him/her
Key technical expertise areas expected for this role:
Strong programming skills in Java 8(+) with clear understanding of Object-Oriented and Functional programming.
- Experience on REST API Programming based on a Microservices Architecture
- Good Understanding of Databases (MySQL & Mongo) and proficiency in database schema designing & writing efficient SQL Queries
- Strong troubleshooting skills
- Demonstrable ability to learn new programming languages and frameworks quickly
- Experience with distributed systems with specific focus on security and scalability
- Experience with modern cloud technologies such as AWS or Azure
Additional areas that would add value:
- Spring Cloud
- Experience working with AES 256 based encryption algorithms
- Strong understanding of Design Patterns & their application in system design
- Using DevOps & Infrastructure tooling such as GoCD/Jenkins, Git
- Experience working on projects, preferably in the healthcare domain
- Experience working with Virtualization and Containerization technologies including Docker, Kubernetes.
- Automated Unit/Integration testing
- Experience working with Linux and Shell scripting
- Frontend web development with JavaScript frameworks like AngularJS
- Test Driven & Behavior Driven Development
- Experience working in Agile Scrum/Kanban methodologies
Education and Experience:
- Bachelors or Master’s in Computer Science or related fields.
- 5+ years of experience
* 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
Rapido is India’s largest bike taxi player focused on solving the first and last mile connectivity problem for India. The primary focus is mobility and changing all facets of mobility across India. We believe that 2 Wheeler are the right mode of transport for developing countries like India and have much more scope than 4 wheelers, which is also reflected in the fact that the number of 2 wheelers is significantly more than the number of 4-wheelers.We have operations in close to 100 cities and are the undisputed market leader in this space. Growing close to 500% year-on-year, we have ambitious targets set for ourselves in the future as well.
What you will do :
We are looking for a Technical Architect to design the structure of our IT systems and oversee programs to ensure the proper architecture is implemented.
Should have experience in data modelling, distributed system design, Microservice architecture and communications protocol and is passionate about writing code and the art of management
In this role, you should be an excellent communicator who is able to translate complex requirements into functional architecture. We'd also like you to have hands-on experience on software development and be able to manage complex programs. Overseeing development and implementation of programs. Providing technical leadership and support to software development teams. Your goal will be to ensure our internal IT framework operates properly.
Responsibilities:
- Understand company needs to define system specifications
- Plan and design the structure of a technology solution
- Communicate system requirements to software development teams
- Evaluate and select appropriate software or hardware and suggest integration methods
- Oversee assigned programs (e. g. conduct code review) and provide guidance to team members
- Assist with solving technical problems when they arise
- Ensure the implementation of agreed architecture and infrastructure
- Address technical concerns, ideas and suggestions
- Monitor systems to ensure they meet both user needs and business goals
Requirements:
- Proven experience as a Technical Architect
- Hands-on experience with software development and system administration
- Understanding of strategic IT solutions
- Experience in project management and service-oriented architecture (SOA)
- Knowledge of selected coding languages (e. g. JavaScript, Java)
- Familiarity with various operating systems
- Experience in cloud technologies
- Excellent communication skills
- Problem-solving aptitude
- Organisational and leadership skills
Role Competencies:
- Proven work experience as a Back-end developer.
- Hands on experience with programming languages like Java/NodeJS/Golang, JavaScript, Familiarity with Git,
- Database (SQL/Mysql/NO SQL).Good to have Kafka/queuing/messaging system.
- Familiarity with front-end languages (e.g. HTML, JavaScript and CSS)
- Strong knowledge of design principles, user interfaces, web standards and usability.
Functional Behavioral:
- Excellent analytical and time and people management skills.
- Teamwork skills with a problem-solving attitude.
JD:
Your role will include:
- Writing and testing your code, innovating and contributing towards increasing the value delivered by your team.
- Setting a high bar through your design, development, analysis and deployment activities
- Understanding and participating in evolving the architecture of our products.
- Keeping up-to-date with new technologies, best practices, and work on optimizing the tooling and automation.
- Understanding the latest development and engineering paradigms like Scrum/Agile/TDD/BDD/DDD etc.
You have experience with the following:
- Strong experience of leading and being part of technical teams preferably following agile methodology.
- Strong technical background with ability to provide technical guidance to other team members.
- Knowledge of microservices and must have experience of implementing a few microservices by the least.
- Knowledge of API driven platform development & Software Integration.
- You have hands-on experience in building secure, high-performing and scalable systems in Java.
- Exposure to JVM based languages like Java, Scala, Clojure.
Product Developer Competencies required: 1.5+ Years of Software Development Experience. 2.Deep knowledge in either one of the following set a)Core Java, Multi Threading, Spring, Security, JVM Troubleshooting, Build Automation, Scripting. b)Spring MVC, Multi Threading,JSP, Servlets, AJAX, HTML5,JQuery, Angular JS, JavaFX, Web Security. 3.Having knowledge or experience about below is plus a)SOAP, Restful Webservices, NoSQL, Messaging System, Distributed In-Memory DataGrid , ExtJS, JavaFX 4.Able to adopt and understand new technologies and utilize them efficiently 5.Passionate about code quality and readability 6.Basic experience and knowledge of UNIX 7.Excellent communication skills - essential to effective collaboration within the team and our clients across the globe. 8.Computer Science Degree or Technical equivalent, MS a plus







