
Job Description: Java AWS Developer
Location: Bengaluru, Karnataka
Experience: 4-7 Years
Type: Full-Time
Key Responsibilities
- Design, develop, and maintain robust, scalable Java-based applications.
- Architect, implement, and manage cloud infrastructure and services on AWS.
- Build and optimize RESTful APIs, microservices, and event-driven architectures.
- Ensure seamless integration of applications with AWS services like EC2, S3, Lambda, RDS, DynamoDB, and others.
- Write clean, efficient, and testable code following best practices and coding standards.
- Collaborate with cross-functional teams (product managers, QA, DevOps) to deliver high-quality solutions.
- Troubleshoot and resolve performance, scalability, and security issues in applications and cloud infrastructure.
- Implement CI/CD pipelines using tools like Jenkins, AWS CodePipeline, or similar.
- Stay updated with emerging trends in Java and AWS technologies to drive continuous improvement.
Required Skills and Qualifications
- Experience: 4-7 years in software development with a strong focus on Java and AWS.
- Java Expertise:
- Proficient in Core Java, J2EE, Spring Framework (Spring Boot, Spring MVC, Spring Data).
- Experience with Hibernate/JPA for ORM and database interactions.
- Strong understanding of RESTful API design and microservices architecture.
- Familiarity with build tools (Maven/Gradle) and unit testing frameworks (JUnit, Mockito).
- AWS Expertise:
- Hands-on experience with AWS services such as EC2, S3, Lambda, RDS, DynamoDB, SNS, SQS, and API Gateway.
- Proficiency in designing and deploying serverless applications and event-driven architectures.
- Knowledge of AWS security best practices (IAM, KMS, VPC, Security Groups).
- Experience with infrastructure-as-code tools like AWS CloudFormation or Terraform.
- Database Skills: Experience with SQL (MySQL, PostgreSQL) and NoSQL databases (DynamoDB, MongoDB).
- DevOps Knowledge: Familiarity with CI/CD pipelines, Docker, Kubernetes, and monitoring tools (CloudWatch, Prometheus).

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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Telecom Knowledge: Understanding of 3G/4G and 5G network & 3GPP
specifications required for Policy & Charging System.
Proficiency in Java: Strong understanding of Java programming principles
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Spring Boot: Extensive experience with Spring Boot framework, including
Spring MVC, Spring Data, and Spring Cloud.
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architecture, including design patterns, communication protocols, and
deployment strategies.
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Database: Experience with database technologies (MySQL, PostgreSQL).
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and robust architectures.
Strong Problem-Solving Skills: Ability to identify, analyze, and resolve
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Excellent Communication Skills: Ability to communicate technical concepts
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stakeholders.
Good to have:
Experience with containerization technologies (Docker, Kubernetes).
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Position: Sr. Java Developer
Qualification: BE, B. Tech, MCA, M. Tech
Experience: 6+ Years
Skills:
Java 8+, Microservices, Spring Boot, Nosql, Kubernetes, AWS, REST
Job Role and Responsibilities:
- Bachelor’s degree in Computer Science or equivalent
- Min 6 years of development experience in Spring Boot & Microservices architecture
- Working experience with Java, Spring Boot, Hibernate, MySQL, Spring Data JPA, AWS, Spring Cloud, Maven, GitHub, Swagger, Eureka, Zuul etc.
- Strong understanding of API Security for Microservices (Spring Security, OAuth 2.0, JWT)
- Strong understanding of web development cycle and programming techniques and tools
- Ability to work independently or with group
- Strong understanding of modern development methodologies and best industry standards
- Experience working with APIs, RESTful APIs & Microservices
- Experience building highly scalable applications using Redis, Kafka, Akka, gRPC
- Mentor, Train 3-4 engineers
- AWS knowledge is a plus
- Strong knowledge on SQL and NoSQL Databases
- Should have worked on developing large scale products and services
- Knowledge on Agile processes is a must
- Able to work with multiple distributed teams
Job description:
- Develop, implement, and maintain Java application phases, code, and software
- Work as part of a software development team
- Contributing to all phases of the development lifecycle
- Write well-designed, testable, efficient code per specifications and test to ensure designs are in compliance with the specifications
- Analyze user requirements to determine how to translate into Java
- Debug and resolve technical issues
- Develop documentation to track
Technical Skill (Must have)
- Java, JSP-Servlets, Spring MVC, Sprint REST, Spring Boot
- Hibernate, Unit testing framework i.e., JUnit
- SQL, Database i.e MySQL, Oracle
- Cloud computing platform understanding i.e., AWS
- Project Management tools like Jira, Mantis
- Source-Code Control System (GIT, SVN)
- Web services
- Agile Methodology
- Web/Application Servers i.e., Tomcat
Employee perks & benefits:
- 5 days a week work culture
- Health insurance (for employees and family)
- Performance awards and rewards
- Flexible work hours
About the role:
As a team member at TrusTrace, you’ll get to solve challenging, real-world problems that truly make a difference to society.
As a Product Developer at TrusTrace, you’ll get to solve challenging and real-time problems using cutting edge technologies. You get to work with industry thought leaders and big-name brands. You will work with the product team to materialize the requirements into pieces of user stories and priorities. You will get hands-on experience in polyglot programming to build solutions and write tests to ensure quality code. (We primarily work on Java, typescript/node, and golang). If you build it, you will own it, i.e . you will be generating metrics, track improvements, and bug fixes for features that are built and shipped by you.
Experience & Skills: (3 – 6 Years) The successful candidate will have
- Passion for problem-solving.
- Flexibility to multitask and re-priorities when necessary.
- Ability to work in an agile and customer-eccentric team.
- Open to learning new technologies.
- Prior saas/start-up experience is preferable, but not mandatory.
- Hands-on experience in back-end technologies and have a strong understanding of core data structure and design patterns.
- Commanding knowledge in HLD/LLD
- Basics of system design and distributed systems
- Strong fundamentals in frameworks like Spring MVC, Spring Security, Spring Data, and Spring-boot.
- Sound knowledge in Java and JVM ecosystem.
- Write the production-grade test code. Junit/ TestNG
- Proficiency with Rest API performance and OpenAPI standards.
- Experience in building cache layers and invalidate them properly ;-)
- Strong knowledge of NoSQL(Mongo) database.
- Experience with Elastic search or Solr is preferred.
- Basics understanding of cloud infrastructures (Preferably AWS) and CI/CD pipelines.
- Should have startup/product Experience
Educational Qualification : Preferably from CS/Circuit Background
● You should be able to take ownership of a project end to end.
● Your primary focus will be to build, implement & maintain the complete back-end stack of the product.
● You will create production-grade code and will implement the solutions which run bug-free.
● Participate in product development discussions and product development road-maps.
● Collaborate with members across departments to identify and build on
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Required Experience and Qualifications:
2 to 6 years of software development experience.
● Experience in working on application architecture design will be preferred.
● Experience in working on at least 1 or 2 projects, managing or leading the entire
tasks.
● Experience in Docker/Kubernetes, Agile methodologies & CI/CD automation process.
● Knowledge of Queueing technologies like Kafka, RabbitMQ, ActiveMQ, and Version control using Git.
● Experience in microservices architecture, in-memory systems like Redis and basic knowledge of Linux/Unix systems.
● Experience in building applications processing large volumes of streaming data will be preferred.
● Experience from a middle size company or from a startup will be preferred.
● BE/MCA/MSc in Computers/Information technology with a good academic record.



- 5-7+ years of commercial Java development experience
- Experience with well known Open Source frameworks/libraries, like Spring Boot
- Work experience with Docker
- Microservice experience
- Experience with AWS like ECS, Lambda, SQS, RDS, Kinesis streams
- Familiar with iterative development
- Upper-intermediate level of English
- Solid understanding of communication and network protocols (TCP/IP, HTTP).
- At ease with Unix/Linux
- Excellent analytical and debugging skills
- Familiar with both SQL and noSQL databases (MySQL, DynamoDB, Memcached, Redis)
- Practical experience with scaling applications to big user numbers is a plus
- Experience with other programming languages is a plus.
What you'll do
Technology is at the heart of our organization. We have a strong engineering team and we're looking for an experienced engineer to lead our backend engineering team. As part of the tech team, you will Understand product requirements and brainstorm ways to address them
- Lead large initiatives and be responsible for it
- Mentor teammates
- Set and enforce standards for writing and maintaining efficient code
- Influence team decisions in the overall architecture and practices of the company
- Contribute to company growth by participating in hiring activities
What you'll need
Must-haves
- At least 4 years experience in a product based company
- Experience working with distributed environments at scale
- Strong command on at least one Object Oriented Programming language
- Experience leading developers for large scale products
- Demonstrated capability to design and architect products built for scale
- Deep knowledge of multiple AWS services
- Experience with Docker and Kubernetes
Good to have
- Experience with at least one among C++, Java
- Experience with Linux file systems
- Familiarity with agile development methodologies
Why us
We're hiring a set of highly skilled, enthusiastic, and passionate people who thrive in a high-growth environment. We believe the best way to grow is to give everyone the opportunity to pursue their interests. At Lucidity, you have complete freedom to work on projects that interest you. Plus, with benefits like flexible hours, company offsites, unlimited leaves, we ensure you enjoy the journey as much as we do. We are also offering healthy founding team ESOP's.

