Node.js Developer

Position Overview

We are seeking a skilled Developer to join our engineering team. The ideal candidate will have strong expertise in Java and Python ecosystems, with hands-on experience in modern web technologies, messaging systems, and cloud-native development using Kubernetes.

Key Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot framework
• Build robust web services and APIs using Python and Flask framework
• Implement event-driven architectures using NATS messaging server
• Deploy, manage, and optimize applications in Kubernetes environments
• Develop microservices following best practices and design patterns
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Write clean, maintainable code with comprehensive documentation
• Participate in code reviews and contribute to technical architecture decisions
• Troubleshoot and optimize application performance in containerized environments
• Implement CI/CD pipelines and follow DevOps best practices
•  
• Required Qualifications
• Bachelor's degree in Computer Science, Information Technology, or related field
• 4+ years of experience in software development
• Strong proficiency in Java with deep understanding of web technology stack
• Hands-on experience developing applications with Spring Boot framework
• Solid understanding of Python programming language with practical Flask framework experience
• Working knowledge of NATS server for messaging and streaming data
• Experience deploying and managing applications in Kubernetes
• Understanding of microservices architecture and RESTful API design
• Familiarity with containerization technologies (Docker)
• Experience with version control systems (Git)
•  
• Skills & Competencies
• Skills Java (Spring Boot, Spring Cloud, Spring Security)
•  
• Python (Flask, SQL Alchemy, REST APIs)
• NATS messaging patterns (pub/sub, request/reply, queue groups)
• Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
• Web technologies (HTTP, REST, WebSocket, gRPC)
• Container orchestration and management
• Soft Skills Problem-solving and analytical thinking
• Strong communication and collaboration
• Self-motivated with ability to work independently
• Attention to detail and code quality
• Continuous learning mindset
• Team player with mentoring capabilities

Job Summary:

We are seeking a dynamic and highly skilled Full Stack Developer with 3-5 years of experience to join our client's team. The ideal candidate will be working with a leading MNC client in the health insurance domain. This role is based in Gurugram and requires candidates to work from the office, Monday to Friday. You will play an integral role in developing and enhancing applications using Node.js, TypeScript, PostgreSQL, and MongoDB.

Responsibilities:

• Design, develop, and maintain scalable applications using Node.js and TypeScript.
• Build and optimize RESTful APIs and backend services.
• Collaborate with cross-functional teams to deliver high-quality products and services.
• Work with PostgreSQL and MongoDB databases for efficient data management and retrieval.
• Ensure the performance, quality, and responsiveness of applications.
• Troubleshoot, debug, and upgrade existing systems and platforms.
• Implement best practices for security, code quality, and performance optimization.
• Participate in code reviews and provide mentorship to junior developers.

Requirements:

• Experience: 3-5 years of hands-on development experience with Node.js, TypeScript, PostgreSQL, and MongoDB.
• Technical Skills:
• Proficiency in Node.js and TypeScript for building scalable web applications.
• Strong experience working with PostgreSQL and MongoDB databases.
• Hands-on experience in building RESTful APIs and microservices architecture.
• Knowledge of best practices in application development, security, and performance tuning.
• Familiarity with version control tools like Git.
• Preferred:
• Experience in the health insurance or fintech domain.
• Ability to work in an agile environment with fast-paced deliverables.
• Excellent communication and collaboration skills.

Soft Skills:

• Strong problem-solving skills and ability to troubleshoot complex issues.
• Ability to work in a team and independently when required.
• Adaptability and willingness to learn new technologies.

Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore/Mumbai 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. - 3 to 8 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: Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers 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. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider. 

Responsibilities: 

• Help impacts software quality and customer experience (CX) of product features. 
• Able to convert an LLD into code. Codes may need some refinement. 
• Solutions are tested (continuously testable, when possible) and may need 
• refinement. 
• Able to write reusable and well-structured code. 
• Understands software architecture (layers, software component, etc), has 
• knowledge about patterns 
• Understand and can use Algorithms, Data structures in solving problems. 

Basic Qualification: 

• Bachelor's degree in computer science or related technical discipline 0-1 years of experience 
• Impactful internship, if fresher out of college- preferred with reputed techno-product orgs 
• Excellent Functional skills- understands software architecture (layers, software 
• components) and has knowledge about design patterns. 
• Programming experience with at least one modern language such as Java, Node.js including object-oriented design. 
• Computer science fundamentals in object-oriented design, data structures, algorithm design, problem solving, and complexity analysis. 

Minimum Requirements

• 8+ years development experience
• Solid Experience and knowledge of

• Coding and debugging using Object Oriented languages like Java, C++, Go or similar languages.
• Database design, Query optimizations, pitfalls (both SQL, NoSQL)
• Developing Scalable, distributed systems and patterns
• Developing REST and/or GraphQL based APIs
• Writing and driving Clean code in a team (via SOLID principles).
• Knowledge of writing unit tests
• NodeJS

• Experience with GoLang/Python
• Experience with Microservices, designs and patterns
• Experience with Dockers/Kubernetes and orchestration
• Familiarity with    Reactive    programming    and patterns like RxJs/RxJava, CQRS, Eventing systems
• Experience with automating DevOps lifecycle
• Proficiency with

• Work with Product team and Drive design, development and deployment of the overall architecture and individual modules to support our Apps , website and internal tools
• Ensure the entire stack is designed and built for availability, speed, scalability, testability, debugging
• Design and development of our REST and GraphQL API
• implement and improve continuous integration and deployment
• Serve as a technical lead for the team
• Mentor team members

• Bachelor's Degree or equivalent experience.
• 5-8 years of experience with software development, preferably in Agile environment.
• Advanced knowledge of in software development tools, programming languages, databases, and environments, including but not limited to:
  • Python 3.x, Django, functional Python, procedural Python, object oriented Python, Asynchronous Design, Micro Services, memcache, REDIS, Celery, ElastiSearch, RESTful web services, Relational (Oracle & MySQL) and Non-Relational (NOSQL & DynamoDB) databases, AWS.

• Total of 2 to 8 years experience as a Sails.js/Node.js developer

Responsibilities:

• Thorough understanding of Reconciliation and hands on development experience on Intellimatch 9.2.7 or higher version
• Comprehensive understanding of SDLC in developing new Reconciliations in IntelliMatch. Involvement across all stages of Software Development life cycle (SDLC) including business requirement analysis, data mapping, validate data against requirement, build, unit testing, peer reviews, systems integration and user acceptance testing.
• Analyze & develop Test Strategies, design Test Plans, & generate and execute Test Cases.
• Should be able to perform enhancements, whereby need to analyze existing set-up and understand the requirement by performing proper impact analysis, provide estimate and deliver quality code.
• Independent player should be able to liaise with different team to re-solve/get dependencies on time. Should be able to for-see issue/risk and intimate the same to team lead / project manager.
• Should be able to guide support team.
• Deep knowledge on IntelliMatch Database linkage and functionalities is necessary for timely resolution of user queries.
• Propose improvements related to the development and support activity.
• Develop stored procedures to build reports for the end users using SQL 2016

Job Summary:

• Willingness to work on highly scalable cloud-native solutions based on microservices.
• Quickly learn the technologies and deliver using the same.
• Take complete ownership of the customer requirements.
• Motivated to deliver world-class quality.
• Inclined to bring new ways of thinking, working and providing solutions.
• Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.

• Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.

Experience:

● 3-9 years of development experience.

Technical Skills:

Mandatory:

• Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
• Actuator/Prometheus/Grafana/Servo (metrics),
• EFK/ELK stack (log analysis)
• OpenAPI/Swagger (documentation)
• RDBMS (PostgreSQL, MySQL, Maria or any other)
• NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
• Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
• CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)

Optional: (But highly recommended)

• NewSQL DB (TiDB, CockroachDB)
• AMQP/RabbitMQ
• Kafka
• Docker
• Kubernetes