Ruby Developer

About the Company

F22 Labs is a startup software studio based in Chennai. We power startups worldwide by building high-quality software products. From web apps to mobile platforms, we help entrepreneurs turn their ideas into beautifully crafted solutions. If you're passionate about software development and eager to build real products that solve real problems, you’ll fit right in.

Position Overview

We are seeking a talented and experienced Senior Node.js Developer to join our growing engineering team. In this role, you will be instrumental in designing, developing, and maintaining the backbone of our applications. You'll leverage your 3-5 years of expertise to build robust, scalable, and high-performance backend services and APIs. You will also play a key role in making architectural decisions, mentoring junior developers, and driving best practices within the team. If you're eager to tackle complex problems, contribute to innovative projects, and lead by example, this position is for you.

Key Responsibilities

● Design, develop, test, deploy, and maintain highly scalable and reliable backend services, APIs, and systems using Node.js (with frameworks like Express.js or NestJS) and TypeScript.

● Architect and implement robust solutions for complex business requirements, ensuring code quality, performance, and security.

● Collaborate closely with cross-functional teams including front-end developers, product managers, QA engineers, and designers to deliver high-quality products.

● Lead and participate in code reviews, providing constructive feedback to ensure adherence to coding standards and best practices.

● Design and manage database schemas (SQL and NoSQL, e.g., PostgreSQL, MongoDB, Redis) and optimize database queries for performance.

● Develop and maintain comprehensive unit, integration, and E2E tests to ensure software quality and reliability.

● Work with containerization technologies like Docker and orchestration tools like Kubernetes for deploying and managing applications.

● Implement and maintain CI/CD pipelines for automated building, testing, and deployment of applications.

● Mentor and guide junior developers, fostering a culture of learning and continuous improvement.

● Troubleshoot, debug, and upgrade existing software, identifying and resolving performance bottlenecks.

● Stay up-to-date with emerging technologies, industry trends, and best practices in Node.js development and backend architecture.

● Contribute to architectural discussions and decisions, helping to shape the future of our backend systems.

Qualifications and Requirements

● 3-5 years of professional experience in backend development with a strong focus on Node.js.

● Expert proficiency in TypeScript.

● Proven experience with Node.js frameworks such as Express.js or NestJS (highly preferred).

● Strong understanding of asynchronous programming, event-driven architecture, and design patterns.

● Solid experience in designing, building, and consuming RESTful APIs; experience with GraphQL is a plus.

● Proficiency with both SQL (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, Redis) database technologies, including data modeling and query optimization.

● Hands-on experience with containerization technologies (Docker) and a good understanding of container orchestration (Kubernetes).

● Experience with CI/CD tools and practices (e.g., Jenkins, GitLab CI, GitHub Actions).

● Experience deploying and managing applications on cloud platforms (AWS, Azure, or GCP), including familiarity with relevant services (e.g., EC2, S3, Lambda, RDS).

● Strong problem-solving, analytical, and critical thinking skills.

● Excellent communication and collaboration skills, with the ability to work effectively in a team environment.

● Proven ability to mentor junior team members.

● Familiarity with Git and collaborative development workflows.

Good to have:

● Experience with testing frameworks (e.g., Jest, Mocha, Chai) and a commitment to writing well-tested code.

● Experience with microservices architecture and distributed systems.

● Experience with serverless architecture (e.g., AWS Lambda, Azure Functions).

● Knowledge of message queue systems (e.g., Kafka, RabbitMQ, AWS SQS).

● Familiarity with Infrastructure as Code (IaC) tools like Terraform or CloudFormation.

● Understanding of front-end technologies (e.g., React, Angular, Vue.js) to facilitate better collaboration.

● Experience with performance monitoring and optimization tools.

● Active contributions to open-source projects or a strong portfolio of personal projects.

Why Join Us (Perks & Benefits)

● Flexible work timings.

● Fast-paced, hands-on learning environment.

● Fun, collaborative, and supportive team culture.

● Real-world impact from day one.

If you're looking to supercharge your development skills and work on meaningful software in a startup that values learning and creativity, we’d love to hear from you. Apply today! 

Job Title: Sr. Node.js Developer

Location: Ahmedabad, Gujarat

Job Type: Full Time

Department: MEAN Stack

About Simform:

Simform is a premier digital engineering company specializing in Cloud, Data, AI/ML, and Experience Engineering to create seamless digital experiences and scalable products. Simform is a strong partner for Microsoft, AWS, Google Cloud, and Databricks. With a presence in 5+ countries, Simform primarily serves North America, the UK, and the Northern European market.

Simform takes pride in being one of the most reputed employers in the region, having created a thriving work culture with a high work-life balance that gives a sense of freedom and opportunity to grow.

Role Overview: 

We are looking for a Sr. Node Developer who not only possesses extensive backend expertise but also demonstrates proficiency in system design, cloud services, microservices architecture, and containerization. (Additionally, a good understanding of frontend tech stack to give support to frontend developers is highly valued) We're currently seeking a seasoned Senior Node.js Engineer who not only possesses extensive backend expertise but also demonstrates proficiency in system design, cloud services, microservices architecture, and containerization. (Additionally, a good understanding of frontend tech stack to give support to frontend developers is highly valued) 

Key Responsibilities:

• Develop reusable, testable, maintainable, and scalable code with a focus on unit testing.
• Implement robust security measures and data protection mechanisms across projects.
• Champion the implementation of design patterns such as Test-Driven Development (TDD) and Behavior-Driven Development (BDD).
• Actively participate in architecture design sessions and sprint planning meetings, contributing valuable insights.
• Lead code reviews, providing insightful comments and guidance to team members.
• Mentor team members, assisting in debugging complex issues and providing optimal solutions.

Required Skills & Qualifications:

• Excellent written and verbal communication skills.
• Experience: 4+yrs
• Advanced knowledge of JavaScript and TypeScript, including core concepts and best practices.
• Extensive experience in developing highly scalable services and APIs using various protocols.
• Proficiency in data modeling and optimizing database performance in both SQL and NoSQL databases.
• Hands-on experience with PostgreSQL and MongoDB, leveraging technologies like TypeORM, Sequelize, or Knex.
• Proficient in working with frameworks like NestJS, LoopBack, Express, and other TypeScript-based frameworks.
• Strong familiarity with unit testing libraries such as Jest, Mocha, and Chai.
• Expertise in code versioning using Git or Bitbucket.
• Practical experience with Docker for building and deploying microservices.
• Strong command of Linux, including familiarity with server configurations.
• Familiarity with queuing protocols and asynchronous messaging systems.

Preferred Qualification:

• Experience with frontend JavaScript concepts and frameworks such as ReactJS.
• Proficiency in designing and implementing cloud architectures, particularly on AWS services.
• Knowledge of GraphQL and its associated libraries like Apollo and Prisma.
• Hands-on experience with deployment pipelines and CI/CD processes.
• Experience with document, key/value, or other non-relational database systems like Elasticsearch, Redis, and DynamoDB.
• Ability to build AI-centric applications and work with machine learning models, Langchain, vector databases, embeddings, etc.

Why Join Us:

• Young Team, Thriving Culture
• Flat-hierarchical, friendly, engineering-oriented, and growth-focused culture.
• Well-balanced learning and growth opportunities
• Free health insurance.
• Office facilities with a game zone, in-office kitchen with affordable lunch service, and free snacks.
• Sponsorship for certifications/events and library service.
• Flexible work timing, leaves for life events, WFH, and hybrid options

We are looking for a skilled and experienced Node.js Developer with at least 4 years of professional experience to join our team. As a Node.js Developer, you will be responsible for developing robust and scalable web applications using JavaScript and various frameworks.

Roles and Responsibilities

• Production platform hands-on experience involving Node JS & REST API.

• Hands-on production platform experience working with micro-service back-end architecture.

• Working knowledge of GRPC, HTTPS, and GRAPHQ protocols.

• Well-versed in cloud deployment of code blocks.

• Experience with JS testing and code analysis frameworks such as Mocha.

• Utilize modern JavaScript frameworks such as Express.js and Sails.js to build efficient and scalable applications.

• Work with databases like MongoDB and PostgreSQL using Mongoose and Sequelize ORM.

• Integrate messaging systems like Kafka and RabbitMQ for reliable event-driven communication.

• Write unit tests using Mocha, Chai, and Jest frameworks to ensure code quality and reliability.

• Utilize AWS S3 bucket for secure and scalable storage of data and media files.

• Collaborate with QA engineers to perform thorough testing and bug fixes.

• Work with third-party APIs such as Postman, Twilio, SendGrid, Firebase, and KeyCloak for various integrations.

 Core Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end (desktop and mobile) counterparts. Your primary responsibility will be to design and develop these applications, and to coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving, sophisticated design, and product quality are essential.

Responsibilities:
•Translate application storyboards and use cases into functional applications.

• Design, build and maintain efficient, reusable, and reliable Java code.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Identify bottlenecks and bugs and devise solutions to these problems.
• Help maintain code quality, organization, and automatization.

Skills Needed:

• Java, JPA, Servlets, JAX/RS, JUnit
• Fullstack : Node/Angular/React
• Algorithm,Design Patterns, Data Structures
• TomCat, Wildfly
• MySQL, PostgreSQL
• HTML, JavaScript, jQuery,
• Mobile exposure: Cordova/PhoneGap
• Exposure in E-Commerce or Product based domain
• NoSQL exposure

Job Description:-

• Job Title:- PHP Developers
• :- 2-4 years
• Work Location:- CG Road, Ahmedabad
• Job Type: Full-time
• Day shift:- Monday to Saturday
• Office 10 to 7:30pm

Skills:-

• Strong experience with PHP / WordPress / Laravel. Laravel is a must.
• Strong experience with JavaScript / JQuery
• Experience with HTML / CSS
• Experience with MySQL with profiling and query optimization and Linux understanding is a must.
• In depth knowledge of object-oriented PHP and Laravel 5 PHP Framework
• Strong skills in PHP based framework
• Developers with deep knowledge and experience of building WordPress CMS websites, plugins, theme development & customization.
• Experience with MVC, Entity Framework, Webform, Web API, and business layer and front-end technologies Understanding of front-end technologies such as HTML5, CSS3
• Knowledge in AngularJS, NodeJS, MongoDB preferred.
• Solve complex performance problems and architectural challenges.
• Keep abreast of new trends and best practices in web development.

Dot is a technology start-up, operating in Fintech and e-commerce space. With the aim to
revolutionize offline-to-online(O2O) space, Dot strives to enable digital transformation of Offline businesses using smart innovations. This is a huge market, serving the 1.3 billion strong Indian population.

The start-up is led by a strong and experienced team. It has already raised seed funding of ~US$ 35.5 Million from renowned investors.

To know more, head over to: www.dotpe.in

About the Founders
The company is led by an experienced team, three ex-PayU employees - Shailaz Nag, Gyanesh Sharma & Anurag Gupta, with proven expertise & knowledge of the fintech space as well as experience in building & managing companies.

Shailaz Nag is a well known visionary entrepreneur. He was ex-Managing Director and co-founder of PayU, (India’s largest and profitable Payment Company) which is currently valued at US$ 3 Billion. He was also one of the founding members of Ibibo Group. Shailaz Nag is a Chartered Accountant and also holds an MBA degree.

Gyanesh Sharma is an IIT Delhi alumnus, holding a B.Tech. degree in Computer Science. He has strong experience in leading tech teams, holding position of
● CTO at Shopclues
● Head of engg. at PayU
● Engg. Head at MakeMyTrip

Anurag Gupta has a decade long experience in building financial services business. He was Vice-President & Business head at PayU for Omnichannel business. He also headed Bank & Product Partnership for PayU.

Investors
Dot has raised seed funding of US$ ~35.5 million from
● Naspers Fintech (PayU) -
○ $120bn group with global presence. Listed in London, Johannesburg, Amsterdam
○ Presence in India : MMT-Goibibo, PayU, Flipkart, Swiggy, Byju’s, OLX
○ Global Presence : Tencent - WeChat, OLX
● Fosun RZ Capital
○ Affiliate of Fosun Group - A $100Bn Chinese conglomerate
○ Presence across global growth markets
● Info Edge
○ Parent company of naukri.com, jeevansaathi.com, 99acres.com, shiksha.com
○ Listed on NSE & BSE with a market cap of INR 27,000 crore
○ Major investor in zomato.com & policybazaar.com

Products
At Dot, we are solving the key problems that lie at the heart of Offline businesses by equipping them with commerce and fin-tech products. We are building a horizontal Omni-channel platform encompassing several Products all aimed at empowering all types of merchants, big or small, with Digital Technology. Whilst strengthening the merchants, our products also aim to direct this digital transformation towards improving the customer journey.
Our initial Product line-up has already garnered attraction from several renowned enterprises as well as significant interest from every medium and small-scale merchant we touch. And this just marks the start of our journey!

About Profile
Responsibilities
• Understanding the business requirement and provide good scalable solution
• Integration of user-facing elements developed by a front-end developers with server side logic
• Completely owning the backend services of a module
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Our stack is ReactJS, React Native, Golang, MySQL, NoSQL and hosting environment is AWS

Skills and Qualifications
• Extensive and expert programming experience in anyone programming language (Golang/ C/ Java).
• A solid foundation in computer science, with strong competencies in data structures, algorithms, software design and distributed system applications
• Experience with building and scaling apps with RDBMS as well as NoSQLs.
• Experience creating scalable Web APIs for mobile and browser consumption
• Integration of multiple data sources and databases into one system
• 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
• Have a penchant for solving complex and interesting problems
• Worked in start-up culture with high levels of ownership and commitment
• Excellent coding skills – should be able to convert design into code fluently
• Engineers from Tier 1 colleges