
JOB DESCRIPTION
Experience: 5+ years
Location: Bangalore
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. - 5+ 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
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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Profile: Senior Java Developer
🔷 Experience: 5+ Years
🔷 Location: Remote
🔷 Shift: Day Shift
(Only immediate joiners & candidates who have completed notice period)
✨ What we want:
✅ AWS cloud services (MANDATORY)
✅ Docker containerization (MANDATORY)
✅ Spring/Spring Boot framework
✅ RESTful API development
✅ Microservices architecture
✅ Database experience (SQL/NoSQL)
✅ Git version control & CI/CD
✅ Kubernetes orchestration
About - The company is an online discovery platform that offers direct-to-home product trials for D2C brands.
Location- Bangalore
Series- B
Responsibilities
- Lead simultaneous development for multiple business verticals.Design & develop highly scalable, reliable, secure, and fault-tolerant systems.Ensure that exceptional standards are maintained in all aspects of engineering.Collaborate with other engineering teams to learn and share best practices.Take ownership of technical performance metrics and strive actively to improve them.Mentors junior members of the team and contributes to code reviews.
Requirements
- A passion to solve tough engineering/data challenges.Be well versed with cloud computing platforms AWS/GCPExperience with SQL technologies (MySQL,PostgreSQL)Experience working with NoSQL technologies (MongoDB,ElasticSearch)Excellent Programming skills in Python/Java/GoLangBig Data streaming services (Kinesis ,Kafka ,RabbitMQ)Distributed cache systems (Redis ,Memcache)Advanced data solutions (BigQuery, RedShift, DynamoDB, Cassandra)Automated testing frameworks and CI/CD pipelinesInfrastructure orchestration(Docker/Kubernetes/Nginx)Cloud-native tech like Lambda,ASG,CDN,ELB,SNS/SQS,S3 Route53 SES
Hands-on working knowledge and experience is required in:
a. JavaScript, Typescript, NodeJS (Express, NestJs, etc. )
b. Experience working in GCP or AWS or Azure
c. Experience working in Containers & Unix Platforms
d. Relational Databases (PostgreSQL, MySQL, SQL, etc. )
e. Agile Methodologies (Scrum, TDD, BDD, etc. )
f. Understanding of Microservices Architecture, Domain Driver Design, Test Driven Development and Secure Design patterns and architecture is a must
g. Data Structures and Algorithms using Javascript, Typescript and/or other Programing Languages
h. Strong organizational skills i. Agile Methodologies (Scrum, TDD, BDD, etc. )
Experience with several of the following tools/technologies is desirable:
a. GIT (Bit Bucket, Gitlab, etc. ), Jira, Gradle, Maven, Jenkins, SharePoint, Eclipse/IntelliJ.
b. Design Patterns and implementing the Design Patterns
c. Development of Complex Application and System Architectures
d. NoSQL Databases (Redis, Mongo, etc. ) e. Full stack development
f. Experience working with CI/CD pipelines with for example GitHub Actions.
Knowledge of the following technologies is a plus:
a. Other Programming Languages (Java, Python, etc. )
b. Continuous Integration and Continuous Delivery Tools like Jenkins, Git, etc



- Strong Experience in Java and related frameworks such as EJB, Spring and Spring Boot
- Strong Experience in REST API based Microservices development & integration that includes long running orchestration services
- Experience implementing services with modern authentication using OAuth 2.0, SAML, JWT
- Implementation Experience in RDBMS (DB2/PostgreSQL) and good SQL query knowledge
- Strong CI/CD experience with GitHub CI/CD or Jenkins or Maven
- Creating custom, general use modules and components which extend the elements and modules of core



RESPONSIBILITIES:
- Help your engineers grow their skills and experience
- Conduct code reviews, and make technical contributions to product architecture as well as get involved in solving bugs and delivering small features
- Hold regular 1:1's with all members of the team, give regular and clear feedback around the individual's performance
- Foster technical decision-making on the team, but make final decisions when necessary
- Provide oversight and leadership to a team of developers to ensure timely execution of team and project deliverables
- Maintain up-to-date skills in software development technologies and a broad understanding of the business, business needs, and how applications/assets drive and support the business
REQUIREMENTS:
- 6+ years of experience in software development and 1+ in team management.
- In-depth technical experience in at least one of the core languages, frameworks, or technologies used in backend development.
- Ability to mentor junior software developers, as well as to collaborate with all stakeholders.
- Extensive experience in developing, deploying, and integrating software solutions.
- Proficiency in documenting processes and monitoring performance metrics.
- Knowledge of best practices related to design principles, API development and software architecture.
- Ability to keep up with software industry trends and innovation.
- Exceptional interpersonal and communication skills.
- Extensive experience in developing Java EE application
- Hands-on experience working with Spring, Spring Boot
- In-depth knowledge of relational and NoSQL databases.
- Experience working with Java Web Services, RESTful services
- Experience using Redis, Memcached or any other caching system
- Experience working with message brokers– preferably RabbitMQ
- Experience with infrastructure automation technologies like Docker, Kubernetes.
- Experience with build automation technologies like Maven, Gradle.


What will you do?
- You will be responsible for the design and development of large-scale, multi-tenant, distributed systems using scalable, fault-tolerant architecture with distributed queues (kafka), distributed caches (redis), high volume data stores (MongoDB, Cassandra, elasticsearch), container-centric deployments (kubernetes).
- Write Java codes using best practices with high quality standards.
- Participate in code reviews and deep dive into design discussions.


