


Expertise in Angular JS, Node JS, React JS.

About Sigma Infosolutions
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PinnacleWorks is looking for a NodeJS Developer who is passionate about design, architecture, and programming. Responsibilities include implementing business logic and developing APIs & services. Your primary focus will be the development of all server-side logic, definition, and maintenance of databases, and ensuring high performance and responsiveness to requests from the front-end. If you are also passionate about Node.js and software design/architecture, we’d like to meet you.
What will you do?
- Design, develop and document scalable applications and APIs.
- Refactor, optimize and improve the existing codebase for maintenance and scale
- Use test-driven development and acceptance tests to ensure feature quality.
- Design and implementation of low-latency, high-availability, and performant applications
- Integration of data storage solutions
- Implementation of security and data protection
Skills Required:
- Minimum 1+ years of relevant experience into NodeJS/Software Development role
- Should have a good understanding of request validation, schema validation, and Error handling
- Good understanding of Promises, Async/ Await, and Callbacks
- Should have knowledge of Socket, Pubsub
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Should have a good understanding of scheduled tasks in NodeJS and CronJobs
- In-depth knowledge of ORM like Mongoose
- In-depth knowledge of object-oriented programming
- Hands-on experience with JavaScript Development on the server-side
- In-depth knowledge & understanding of network protocols (like TCP, HTTP and etc) and REST conventions
- Knowledge of ES6 would be a plus
- Should have good hands-on experience on MongoDB, designing optimized database structure using MongoDB, and writing optimized queries for better performance.
- In-depth knowledge of Indexing strategy and Aggregation.
- Knowledge of caching using Redis would be a plus.

Requirements
Salary up to 60 LPA (depending upon your experience)
5+ years of solid experience with a wide range of web, backend, or mobile technologies.
● Mastery of Ruby on Rails in a cloud-based ecosystem
● Experience presenting technical solutions to peers and managers.
● A proven track record of designing scalable and maintainable technical solutions.
• Experience coordinating development efforts across multiple managing projects in
parallel.
● Experience working with off-shore/outsourced developers across different time zones.
● Experience with code review tools and practices to ensure best practices are followed
and code quality gates are achieved.
● Experience with creating documentation, unit tests, integration tests, security, and load
tests.
● Solid Understanding of GitOps principles.
Nice to have:
● Working knowledge of Docker, Kubernetes, Terraform, and GitLab CI/CD pipelines
● Comfortable with open source monitoring tools like Prometheus, Grafana, Loki
● Experience with AWS, GCP, Azure, and Digital Ocean
We are looking for Sr. Node Js Developer
Experience - 3-5 years
Location - Ahmedabad, Gujarat. (Work from Office)
5 Days working
Should have good communication skills.
Requirements:
•API Development
• Mongodb or Firebase
•Designing and developing user interfaces using Angular OR JavaScript MV-VM/MVC frameworks
•Good understanding of AJAX and JavaScript, TypeScript Dom manipulation Techniques
•Experience with RESTful services
•Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, ReactJS)
•Knowledge of Node.js, Express and frameworks available for it
•Understanding the nature of asynchronous programming and its quirks and workarounds
- Work with product managers to understand product requirements and make them live.
- Ownership of end to end development
- Startup mindset of getting things done and focussing on business goals
- Proven problem solving skills
- 3+ years Hands on experience in designing and developing applications using server side technology (Java, Spring Boot / Node.js, Express)
- Excellent knowledge of Relational Databases, SQL and ORM technologies
- Good knowledge of design patterns
- Proficiency in REST architecture
- Experience with test-driven development
- Experience with Git/CI/CD/Gradle/Maven
- Inclination towards writing quality and performant code
- Experience in Agile development
- Performance tuning, testing, refactoring and automation
- Experience working with AWS Cloud and Devops technologies (terraform , cloudformation, ansible)
- Experience running a production environment
- Highly proficient in JavaScript and Typescript, PassportJs, Sequelize.
- Working knowledge of Node.js frameworks such as ExpressJs, SailsJs, VueJs and ElectronJs.
- Good understanding of server-side templating languages such as Jade, EJS, Mustache etc.
- Good understanding of server-side CSS preprocessors such as Stylus, Less,Sass etc.
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- Sound knowledge of Testing frameworks such as Mocha, Chai, Jasmine, Cucumber etc.
- Experience of writing unit, integration and E2E tests.
- Experience of working with SQL databases.
- Experience of integrating third party APIs.
- Good understanding of code versioning tools, such as Git.
- Good Communication Skills.

If you were looking for a rocket-ship, this is it!
* 3+ years of experience with web development building good quality production software
* Proficiency in at least one of: Ruby/Rails or Elixir/Phoenix (Good working knowledge of Elixir, OTP or OO programming)
* Gained good knowledge of working with APIs and performance optimisation to identify bottlenecks and bugs, and devise solutions to these problems
* Familiar with data stores like PostgreSQL & Redis
* You write clean code, automate and continuously deploy it in fast development cycles.
* Experience in designing and building scalable and distributed systems
* Experience with CICD using Gitlab or AWS CodePipeline/CodeDeploy (Exposure to AWS is highly desirable)
* You are proactive and pay attention to the security, scalability, performance, availability and usability of systems




Position: Senior Software Engineer
Location : Gurgaon ( WFH untill Pandamic )
You'll be responsible for developing web applications for managing various working aspects of e-commerce, warehousing & supply chain systems. Your primary focus will be the development of server-side logic and client-side interfaces, ensuring high performance and responsiveness to requests from the front-end.
Responsibilities:
● Design, develop, test, deploy, and maintain highly scalable user-facing software applications.
● Participate in business discussions and present software solutions to their various problems.
● Coordinate full cycle product development activities with executive management, product management, quality assurance, support, and operations teams.
● Build software modules, libraries, and frameworks that support complex back-end applications as per the specifications and on time.
● Design schema for SQL and NoSQL database.
● Setup metrics tracking and inspect server code for speed optimization.
● Assign tasks to team members and gauge progress of various projects.
● Should open to work on PHP/Laravel.
Requirements:
● 4+ years hands-on experience on writing and deploying production quality code.
● Solid foundation in computer science with strong competency in data structures, algorithms and software design.
● Have created enterprise level applications in any programming language.
● Professional experience using PHP, Python and Golang among others.
● Development experience with Unix/Linux.
● Strong Experience with relational SQL and NoSQL databases.
● Hands on experience in using AWS technologies like EC2, lambda functions, SNS, SQS and worked on serverless architecture.
● Follow right back-end engineering practices and desire to continually keep up with its advancements.
● Constantly improve product quality, security, and performance.
● Experience in leading the team and working with cross-functional teams in a dynamic environment is a plus.
● Domain knowledge of warehousing operation related processes and ecommerce workflows is preferred.
● Should open to work on PHP/Laravel.
Job Description
We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
What we are asking
- A fast-paced environment is something you feel really comfortable in
- Integration of user-facing elements developed by front-end developers with server side logic
- Professional working experience in Node.js
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Integration of data storage solutions with MongoDB, file stores like AWS S3 or Heroku/AWS.
- Creating API for consumption using ExpressJS.
- Good Knowledge of ExpressJS middle-wares.
- Working experience with CI/CD, test- and deployment automation, and containers
Skills And Qualifications
- Strong proficiency with JavaScript.
- Strong knowledge of Node.js and ExpressJS and other related tech/middle-wares/options.
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Basic understanding of front-end technologies, such as HTML5, and CSS3
- 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
- Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
- Creating database schemas that represent and support business processes
- Implementing automated testing platforms and unit tests
- Proficient understanding of code versioning tools, such as Git
- Good to have deployment experience of NodeJS app on Heroku / AWS / Azure etc.

