
Key Responsibilities:
• Design, develop, and maintain Java-based applications using best practices and modern frameworks.
• Integrate and manage AWS services such as EC2, S3, RDS, Lambda, and CloudFormation.
• Develop RESTful APIs and microservices architecture to support scalable and robust applications.
• Implement CI/CD pipelines using tools like Jenkins, Git, and Docker to automate deployment processes.
• Monitor and troubleshoot application performance, defect triaging, and reliability issues, providing timely support and resolution.
• Collaborate with cross-functional teams to gather requirements, design solutions, and deliver high-quality software.
• Conduct code reviews and ensure adherence to coding standards and best practices.
• Stay updated with the latest industry trends and AWS services to continuously improve our technology stack.
Qualifications:
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• 5-7 years of experience in Java development, with a strong understanding of object-oriented programming and design patterns.
• Proficiency in AWS services such as EC2, S3, RDS, Lambda, CloudFormation, etc.
• Experience with Spring Boot and other Java frameworks.
• Strong knowledge of SQL and NoSQL databases.
• Familiarity with containerization technologies like Docker and Kubernetes.
• Experience with CI/CD tools and processes.
• Excellent problem-solving skills and the ability to work independently and as part of a team.
• Strong communication skills and the ability to articulate technical concepts to non-technical stakeholders.

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Experience: 6-8 years
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. - 6-10 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.
Required Skills & Qualifications
- Bachelor's/Master’s in Computer Science or related field
- 5–8 years of backend development experience
- Strong in Java, Spring Boot, REST APIs, and microservices
- Hands-on experience with MySQL/PostgreSQL and NoSQL databases
- Strong debugging, problem-solving, and communication skills
- Ability to work independently and in cross-functional teams
Preferred Traits
- Proactive mindset with a knack for identifying and fixing bottlenecks
- Detail-oriented with a passion for clean, maintainable code
Team-oriented with a drive for continuous learning and improvement
2. Spring boot/ Spring or any variations of Spring
3. MySQL
4. Mentions of, distributed systems, scalable systems
5. Mentions of ElasticSearch, Kafka or Redis
6. NoSQL databases like Cassandra/DynamoDB/MongoDB/Hbase etc
7. Mentions of Handling scale/scalable systems
9. Mentions of AWS or Amazon web services.
About the Role
Initiate and drive technical decisions on a multi-functional, Agile team alongside product management, product design, and engineering
Work closely with product to translate abstract business and product requirements into crisp technical specifications along with a delivery roadmap
Resolve blockers and help the team stay productive
Perform code and design reviews
Take part in building the team and iterating on hiring processes
Must have Requirements for the Role
8+ years of experience in a highly technical role at hyper-growth startup or fast-paced company and 2+ years of experience leading a team
Production level experience with Node.js or Go mandatory.
Experience building highly available and performant applications in any major programming language (e.g. Node.js, Go, Javascript)
In-depth knowledge and experience working with major cloud platform (e.g. AWS (must have experience))
Experience leading product teams
You are a good communicator who can explain technical concepts to product managers, designers, support and other engineers
Demonstrated ability to work well with others in a team environment and with geographically distributed teamsIn-depth knowledge of database and web security
How We Define Success:
Ensure the projects are delivered within reasonable timelines that meet the acceptance criteria set by the stakeholders
Ensure technical debt is being measured and tackled
Ensure the non-functional requirements are being taken into account while delivering features: performance, security and testing
Nice To Have, but Not Required:
Good understanding of GCP, AzureWorked in a early-stage startup environmentGood understanding of micro services
- Maintaining the central databases, ensuring high performance, and responding to requests from the front-end.
- Creating a secure API for our mobile applications.
- Optimizing the application for maximum speed and scalability.
- Implementing security and data protection.
- Designing and implementing data storage solutions.
- Compiling and analyzing data, processes, and codes to troubleshoot problems and identify areas for improvement.
- Recording data and reporting it to respective parties
- Participating in all phases of the development life cycle
- Developing additional server level functionality and tools using a .NET language (C# preferred).
- Troubleshooting and fixing bugs/ flaws to ensure servers are running optimally.
- Managing Integration of user-facing elements developed by front-end developers with server side logic
Desired Candidate Profile
What you need to have:- 3 years + Experience and exposure to working on problems of scale.
- .Net Fullstack Developer with Angular(Must) and MS SQL
- Must have mobile based app development experience.
- Familiarity with the challenges involved in scaling applications from a single machine to a large deployment.
- Experience with cloud environments like Amazon's AWS is a plus.
- Experience with in working with gaming servers like SmartFox multiplayer server is a plus.
- Added advantage to those who have worked on C#, Web API , WCF, MVC, MS SQL and Angular JS in business env.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
● Integration of user-facing elements developed by front-end developers with server-side logic.
● Writing reusable, testable, and efficient code.
● Design and implementation of low-latency, high-availability, and performant applications.
● Implementation of security and data protection.
● Integration of data storage solutions.
● Familiar with Graphql, REST APIs, MongoDB, SQL, NoSQL, AWS services, Firebase. (Knowledge of web sockets is optional)
• Code, develop, design and architect features related to the existing application. We
expect you to own modules end to end and take pride in the work products you
ship.
• Lead from the front, when it comes to delivering high quality work products. Serve
as a mentor to the team members
• Create and define performance metrics. Ideate, innovate and hack through the
existing systems to improve performance.
• Perform code reviews, set coding practices and guidelines within the team.
• Make sense of the product specs, be nimble in getting the issues resolved. Be a
thought leader.
Critical Functional Skills:
• Solid understanding and knowledge of Java/C/C++. You should understand the
concepts of multithreading, I/O, messaging, instrumentation etc and their
implementation in Java/Any other Object-Oriented Language.
• Proficiency in the implementation of algorithms and the use of advanced data
structures to solve problems in computing. A solid foundation in the principles of
computer science is desired.
• Ability to write clean, modular, and loosely coupled code by the use of design
patterns.
• He/She should be able to break down and architect complex software systems. For
example- Build
• Cars Availability Engine for Ola.
• Strong decision-making ability
• Deep expertise in at least one programming language & tech stack.
• Substantial experience in building complex and scalable solutions.
• Strong object-oriented design skills, ability to apply design patterns, and an uncanny
ability to design intuitive module and class-level interfaces
• The ability to do deep problem solving and build elegant, maintainable solutions to
complex problems.
• Experience leading multi-engineer projects and mentoring junior engineers
• Experience with full life cycle development in any programming language on a Linux
platform
• Comprehensive operational experience including, optimizations, deployments and
tuning servers like apache/mysql/tomcat/solr
• Prior experience in working with Agile software methodologies (XP, Scrum), TDD,
and Continuous Integration(CI/CD) a plus.
• Experience in building data-driven web application design and development is a plus
• Expert level experience in building a scalable, large and complex business
application.
Experience Required:
• Typically with an experience of 5+ years of development experience in a product
firm.
• Must have lead, designed, architected and delivered at least 1 project in his previous
assignments independently.
Minimum Qualifications Required:
• Btech/MS from a reputed Institute
• Deep expertise with any or combination programming languages: Java, C++, C#,
Ruby, Scala,
• Go any object-oriented high-level proprietary or open-source language with strong
programming constructs. We are not skill-specific but go by strength in
competencies
• Machine coding
• Single machine in-memory program
• Need a working code with functionality
• Readable and well-designed code with right abstractions, separation of concerns,
• right design patterns
• Performant code with concurrency and efficient data structures
• Write test cases covering the happy path and edge cases
• Problem Solving
• Choose the right combination of data structures to solve the problem
• Identify most edge cases for the problem









