At least 4 years' experience as a Node.js developer.
Experience in Microservices
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Mandatory experience in Postgres and MySql.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.

About Matellio India Private Limited
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Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts

Role Description : Senior Java Developer
As a senior developer you will be responsible to manage the software development life cycle from planning to prioritizing to testing and release. Responsibilities includes gathering system and team product requirements, building java modules and testing features before release. Should have hands on experience developing software with agile methodologies and are ready to lead our junior developers.
Responsibilities • Contribute to all phases of development lifecycle. • Planning of API workflow. • Understanding the requirements all the teams involved and planning the development process. • Write well designed, testable, efficient code. • Prepare and produce releases of software components. • Support continuous improvements by investigating alternatives and technologies and presenting these for architecture review. • Designing, implementing, and maintaining java applications that are often high-volume and low latency. • Identify bottlenecks and bugs and advise solutions to these problems. • Develop highly scalable REST APIs to use in our applications. • Guide the team and help them in any complex situations.
Required Qualifications We are looking for individuals who are curious, excited about learning, and navigating through the uncertainties and complexities that are associated with a growing company. Some qualifications that we think would help you thrive in this role are: • Minimum 8+ Years in a Java programming. • Expert hands-on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring Boot, Microservices, Cloud computing, any DB. • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery. • Quick learner believes in continuous learning and acts as a catalyst for building the culture within the organization.
• Analytical thinking skills, problem solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations. • Familiar with various design and architectural patterns. • Bachelor/Masters of CS/IT Engineering, BCA/MCA, B Sc/M Sc in CS/IT
Preferred Qualifications • Deep insights of Java and J2EE internals such as memory management, transaction management, etc. • Skill for writing reusable Java libraries. • Proficient understanding of code versioning tools, such as Git. • Familiarity with build tools such as Ant, Maven, and Gradle. • Ability to work without guidance and under tight deadlines. • Result oriented and focused on meeting deliverable timelines. • Teamwork and willingness to listen to others. • Communicate effectively • Good knowledge of microservices. • Expertise in developing enterprise level web applications and RESTful APIs using Microservices with demonstrable production-scale experience. • Strong background working with Linux/Unix environments. • Working experience in industry standard protocols related API security. • Clear understanding of web services and SOA related standards like REST/OAuth/JSON.
Location: Bengaluru/Udupi (NO WORK FROM HOME OPTION)
Notice Period: Immediate Joining or Maximum 1 Month
Zumen is a Cloud-based Source-to-Pay software for product manufacturing companies.Zumen enables product manufacturing companies to digitize their direct sourcing and procurement, and manage every detail of the process in a transparent, collaborative platform. With Zumen’s part life cycle management, BOM interface, supplier base visibility and product cost management, companies can build an agile, resilient supply chain and get their products to market faster. Zumen is headquartered in Delaware, USA
Responsibilities:
- Develop features and modules independently based on the overall product architecture provided.
- Research and find solutions to challenging new problems; align with technology needs of the future.
- Fully grasp the product concept and think through challenging customer variations and use cases.
- Proactively seek to identify issues and resolve them at the stages of design, deployment and QA.
- Maintain quality and ensure responsiveness of applications.
- Demonstrate a strong sense of milestone-based performance and adherence to overall development timelines.
Requirements:
Experience - 2 to 5 years experience in Java Tech stack
- Strong hands-on experience in Java, Spring Boot, microservices and Rest API.
- Good understanding of general data privacy and information security.
- Exposure to cloud securities for SAAS application development would be an added advantage.
- A good understanding of all facets of building and delivering data-centric products is desirable.
- Knowledge of code versioning tools.

Skills:
- Expertise in Python 3 on AWS serverless
- Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
- Proficient in modern microservice-based architectures and methodologies.
- Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
- Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
- Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
- Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
- Experience with Github and advanced Github features (good to have).
- Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
Requirement :
- Good knowledge of Java and Spring F/W (Spring Boot, Spring Security, Spring ORM, Spring Rest, Spring Cloud)
- Good knowledge of relational database design and query via both SQL and ORM (hibernate, spring data)
- Good knowledge of ElasticSearch or other document-oriented database
- Good knowledge of Microservice architecture, including REST API design
- Good knowledge of asynchronous data pipelines using Kafka or AWS SNS/SQS or similar modern messaging framework
- Good knowledge of AWS or other public cloud environment
- Hands-on experience with Redis Cache, Memcache or Ehcache
- Good knowledge of domain-driven design is a huge plus
- Web services & API standards (REST/OAuth/JSON)

Java with cloud
Core Java, SpringBoot, MicroServices |
- DB2 or any RDBMS database application development |
- Linux OS, shell scripting, Batch Processing |
- Troubleshooting Large Scale application |
- Experience in automation and unit test framework is a must |
- AWS Cloud experience desirable |
- Agile Development Experience |
- Complete Development Cycle ( Dev, QA, UAT, Staging) |
- Good Oral and Written Communication Skills |
- 6-9 years of strong development skills in Java JDK 1.8 or above.
- Experience in developing micro services in Spring Boot or Node.js.
- Experience in security, transaction, Idempotency, log tracing, distributed caching, monitoring and containerization requirements of Micro services
- Experience in developing High Cohesion & Loosely Coupled Micro Services.
- Strong acumen in Data Structures, Algorithms, problem-solving and Logical/Analytical skills.
- Thorough understanding design principles and implementation of different type of Design patterns.
- Sound understanding of concepts like Exceptional handling, Serialization/ Deserialization and Immutability concepts, etc.
- Good fundamental knowledge in Enums, Collections, Annotations, Generics, Autoboxing, etc.
- Experience with Multithreading, Concurrent Package and Concurrent APIs
- Basic understanding of Java Memory Management (JMM) including garbage collections concepts.
- Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by, aggregate functions, etc.)
- Hands-on experience with JMS
- Hands-on experience in creating RESTful webservices and consuming webservices
- Hands-on experience with Spring Boot and Spring cloud.
- Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
- Experience of writing Junit test cases using Mockito / Powermock frameworks.
- Should have practical experience with Maven/Gradle and knowledge of version control systems like Git/SVN etc.
- Good communication skills and ability to work with global teams to define and deliver on projects.
- Sound understanding/experience in software development process, test-driven development.
Additional Information
- Gender-Neutral Policy
- 18 paid holidays throughout the year for NCR/BLR (22 For Mumbai)
- Generous parental leave and new parent transition program
- Flexible work arrangements
- Employee Assistance Programs to help you in wellness and well being
The candidate’s primary focus will be developing new features for our
modern web application. They will get exposure to an ‘agile-centric’
delivery model, while leveraging modern / innovative JavaScript
approaches. A candidate who is driven, innovative and has passion for
elegant technical solutions will thrive in this role.
- You should have deep understanding of NodeJS
- You should be strong in Javascript and TypeScript
- You should be capable of writing complex queries
- ES6, Express, Apollo Server, Send Grid Email, Twilio SMS, Payment
- Gateway,
- Error Loggin, API Developement, API Security,
- PostGreSQL/MSSQL/MySQL, MongoDB/CouchDB
- Very good knowledge on REST API
- Good experience in Agile methodologies
- Ability to design and write code complying with coding standards
- and other factors like performance, scalability, reliability,
- reusability, modularity in mind
- You should have strong logical and problem solving skills
- Excellent communication and customer interfacing skills
- AWS certification is nice to have
- Strong proficiency with JavaScript and good to have
- ES6(Typescript) knowledge
- Knowledge of Node.js and frameworks such as Express, Restify
- Understanding the nature of asynchronous programming and its
- quirks and workarounds
- Understanding accessibility and security compliance
- User authentication and authorization between multiple systems,
- servers, and environments
- Integration of multiple data sources and databases into one
- system
- Understanding fundamental design principles behind a scalable
- application
- Competencies and Skills Required
- equires excellent analytical, problem solving, and good
- communications skills
- Must be able to work effectively with business stakeholders
- Strong passion for delivering technical solutions to business
- problems
- Understanding and mindset of Agile software delivery (Ability to
- adapt to continually changing priorities)
- Team player who understands the importance of teamwork and
- collaboration
- Passion for delivering new approaches and challenging the ‘statusquo’
- Hungry to learn and always in search of continuous improvement
• 3+ years of hands-on software engineering experience in Node.js and Typescript (including
Express, Feathers.js or similar)
• Proficient at programming and interacting with APIs
• Strong understanding of production systems, especially in AWS
• Deep understanding of mobile backend infrastructure including service-oriented or microservice architecture
• Customer-focused, reacts well to changes, work with teams and able to multitask
• Must be a self-starter who can work well with minimal guidance and in fluid environment
Bonus if you have the following:
• Experience in React and/or React Native
• Active contributor to developer communities like Stackoverflow, Topcoder, Github etc.
• Worked with Linux
• Prior startup experience


