Java Developer

JOB DESCRIPTION

Experience: 4-7 years

Location: Mumbai

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. - 4-7 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.

5–10 years of experience in backend or full-stack development (Java, C#, Python, or Node.js preferred).

•Design, develop, and deploy full-stack web applications (front-end, back-end, APIs, and databases).

•Build responsive, user-friendly UIs using modern JavaScript frameworks (React, Vue, or Angular).

•Develop robust backend services and RESTful or GraphQL APIs using Node.js, Python, Java, or similar technologies.

•Manage and optimize databases (SQL and NoSQL).

•Collaborate with UX/UI designers, product managers, and QA engineers to refine requirements and deliver solutions.

•Implement CI/CD pipelines and support cloud deployments (AWS, Azure, or GCP).

•Write clean, testable, and maintainable code with appropriate documentation.

•Monitor performance, identify bottlenecks, and troubleshoot production issues.

•Stay up to date with emerging technologies and recommend improvements to tools, processes, and architecture.

•Proficiency in front-end technologies: HTML5, CSS3, JavaScript/TypeScript, and frameworks like React, Vue.js, or Angular.

•Strong experience with server-side programming (Node.js, Python/Django, Java/Spring Boot, or .NET).

•Experience with databases: PostgreSQL, MySQL, MongoDB, or similar.

•Familiarity with API design, microservices architecture, and REST/GraphQL best practices.

•Working knowledge of version control (Git/GitHub) and DevOps pipelines.

Understanding of cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes).

About Nomiso India: Nomiso is a product and services engineering company. We are a team of Software Engineers, Architects, Managers, and Cloud Experts with expertise in Technology and Delivery Management. 

Our mission is to Empower and Enhance the lives of our customers through simple solutions for their complex business problems. 

At Nomiso, we encourage entrepreneurial spirit - to learn, grow and improve. A great workplace thrives on ideas and opportunities. That is a part of our DNA. We’re in pursuit of colleagues who share similar passions, are nimble, and thrive when challenged. We offer a positive, stimulating, and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged.

We invite you to push your boundaries and join us in fulfilling your career aspirations!

What You Can Expect from Us:

We work hard to provide our team with the best opportunities to grow their careers.  You can expect to be a pioneer of ideas, a student of innovation, and a leader of thought. Innovation and thought leadership is at the center of everything we do at all levels of the company. Let’s make your career great!

Position Overview: 

As our Senior Engineer (Back End), you'll be responsible for building new features, enhancing the existing ones as well as supporting them in production. You will also be responsible for building reusable libraries or technology platforms that address multiple use cases. You will work towards delivering specific milestones and objectives in a very dynamic environment. 

Roles and Responsibilities:

● Working closely with the Engineers to develop the best technical design, strategy and drive execution to build capabilities into the platform 

● Owning the delivery of various timelines, ensuring that key milestones are met and deliveries are of the highest quality 

● Establishing various best practices for software development and encouraging their adoption with the team and organization 

● Collaborate with other non-technical stakeholders of the business which includes Product Managers, Designers, Marketing etc.

● Encouraging and mentoring an excellent team of talented engineers by mentoring them and working with them to remove any roadblocks 

● Functional availability of the software developed, enhancing the product based on functional requirements 

● Managing cloud-based services, web applications for their functional correctness, availability, security 

● Deploy and maintain enterprise class RESTful, GRPC based services 

● Own the engineering excellence and operational readiness of the service driving the SLO,SLI, SLA of the relevant services 

● Take ownership to drive quality of the services under your purview via integration test and unit test coverage 

● Responsible for all microservices within your purview responsible driving their quality, security,availability, scalability and other “ilities” 

● Dive deep into each issue, own reactive fixes, and execute long term fixes 

● Assist other Support Engineers on complex RCA issues 

● Provide technical mentoring and guidance to other engineers 

● Provide L3 engineering support

Must Have Skills:

• Overall experience 7+ years and relevant at least 3+ years in Golang with Java
• Strong design and architectural experience in building various highly-scalable and highly-available products 
• Strong understanding of the SDLC Activities which include Analysis, Design, Development, Testing, Deployment and Post-Production Support etc.
• Proficiency in at least one server side framework for Go Lang
• Experience working on NoSQL & SQL Databases such as MySQL, PostgreSQL, MongoDB, Redis etc 
• Deep Dive, problem-solving, RCA and systematic thinking to reach the cause of issues 
• Able to work independently and multi-task effectively 
• Program at a system level and able to manage service stability 
• Excellent experience maintaining, scalable, extensible code
• Methodical in maintaining up to date documentation 
• Metric-driven mindset and obsessive about ensuring clean coding practices 
• Preferred experience in product development 
• Preferred working experience on microservices platforms 
• Proficiency in at least one modern web front-end development framework such as React JS will be a bonus

Good to Have Skills:

• Preferred experience in Elasticsearch and Kibana (ELK Stack) 
• Preferred experience with messaging systems like RabbitMQ 

Qualification:

• Bachelor of Science in Computer Science or equivalent technical training and professional work experience.

Responsibilities

Understand systems enabling third party integration 

Translate business requirements to the APIs and SDKs exposed by these systems. Figure out the optimum interfaces to interact with these. 

Build generic connectors to interact with these technologies. 

Design, implement, deploy and maintain the connectors. 

Minimum Qualifications 

Bachelor’s degree in Computer Science or related fields. 

Experience needs to be around 8+ years 

Strong problem-solving skills. 

Ability to understand the technology and its APIs in quick time. 

Strong design pattern fundamentals. 

Good core java skills like Multi-threading, collection framework. 

Good communication and mentorship skills 

Ability to put together architecture diagrams and designs 

JD for Java Developer Position (3-5 years)

Notice Period: 10-20 days or within 1 month

1. Excellent Java skills
2. Hands-on working experience with Spring, Hibernate, GIT, Jenkins
3. Strictly adhere to coding standards & unit testing
4. Excellent analytical skills and communication skills are a must
5. Knowledge of MySQL or any other DBMS

Added Advantage
1. ElasticSearch
2. AWS services like lambda, redis, graphql etc
3. Docker

Role/ Responsibilities

• Design APIs, DB, Queues, monitoring for micro services. 
• Writing, deploying and managing micro services. 
• Migrate existing components into distributed micro service architecture. 
• AWS Cloud / Google Cloud Platform (Manage Infrastructure). 
• API integration with 3rd parties. 
• Unit test cases, automation. 
• Database optimisation. 
• Design of highly concurrent backend architecture. 
• Handling high traffic data. 

Experience required: 

• Sound fundamentails in software design. 
• Must have worked on distributed and micro service architecture. 
• Sound fundamentals on scale/ performance/ memory optimisation. 
• Sound fundamentals of authentication, authorization, payment processes, data security. 
• Must have experience in Spring / Spring boot. 
• Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue. 
• Good to have experience in Junit / mockito unit test cases. 
• Good to have knowledge in Mysql (or any RDBMS). 

• Exp- 3+ yrs
• Must be very good in Java- 2.5+ yrs
• At least 1 yr of working experience in any one DB of Neo4j, Cassandra, Elastic Search
• Should have good devops working knowledge - Knowledge of AWS, Ansibleetc is a necessity
• Experience in TDD/BDD is required
• Minimum 1 yr working experience in Samza& Kafka.
• Knowledge of Azure is added advantage
• Understanding of AKKA and Play framework