Senior Software Engineer

Position Name : Senior Software Developer (Node.js/RoR/Swift/React)

Experience : 5 to 10 Years

📍 Location : Remote

Notice Period : Immediate to 15 Days

Role Overview :

We are looking for a highly skilled Senior Software Developer with expertise in Node.js, Ruby on Rails (RoR), React, and Swift.

The ideal candidate should have strong problem-solving skills, hands-on development experience, and a deep understanding of software architecture, design principles, and TDD best practices.

Key Responsibilities :

• Backend-Heavy Full-Stack Development : Strong focus on Ruby on Rails (RoR) for backend and React for frontend.
• Test-Driven Development (TDD) : Follow TDD principles to ensure high-quality code.
• Software Architecture & Design : Implement scalable and maintainable solutions.
• Data Structures & Algorithms : Optimize performance and ensure efficient solutions.
• Clean Code Practices : Write modular, reusable, and well-documented code.
• Agile Development : Work in an Agile environment with CI/CD pipelines.
• Full-Stack Ownership : Manage both backend and frontend development, including deployment.
• Peer Collaboration : Participate in code reviews, pair programming, and knowledge sharing.

Technical Skills & Experience :

Must-Have :

• Ruby on Rails (RoR) - Backend
• React.js - Frontend
• Strong expertise in architecture, design, and hands-on development.
• Excellent understanding of Data Structures & Algorithms.
• Proven experience with TDD principles.
• Excellent communication skills.

Good to Have :

• Experience with Node.js, TypeScript, Swift, and JavaScript
• Familiarity with relational databases and web frameworks
• CI/CD tools like Jenkins, Hudson, or Bamboo.

Role: Senior Software Developer (Full Stack) - Python 

Location: Coimbatore 

YOE: 6+ years 

Mandatory Skills: Python, AWS 

Good to have: React, SQL, React Native, Knowledge in Flutter/Android Native Benefits: Learn more about our perks below 

Compensation: Competitive compensation as per industry standards. 

About the Role: 

We aspire to build high-quality, innovative & robust software. If you are a hands-on platform builder with significant experience in developing scalable data platforms, look no further. Click on Apply and we will reach out to you soon. 

Responsibilities: 

● Determines operational feasibility by evaluating analysis, problem definition, requirements, solution development, and proposed solutions. 

● Documents and demonstrates solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code. 

● Prepares and installs solutions by determining and designing system specifications, standards, and programming. 

● Improves operations by conducting systems analysis; recommending changes in policies and procedures. 

● Obtains and licenses software by obtaining required information from vendors; recommending purchases; testing and approving products. 

● Updates job knowledge by studying state-of-the-art development tools, programming techniques, and computing equipment 

● Participate in educational opportunities & read professional publications;

● Protects operations by keeping information confidential. 

● Provides information by collecting, analyzing, and summarizing development and service issues. 

● Accomplishes engineering and organization mission by completing related results as needed. 

● Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Requirements: 

● Proven work experience as a Full Stack Engineer or Senior Software Developer

● Strong experience designing and developing scalable and interactive applications

● Hands-on expertise in React or similar UI technologies for frontend development and Python or other modern backend languages 

● Experience in mobile app development (e.g., React Native, Flutter, or Native Android/iOS) 

● Deep understanding of relational databases (e.g., PostgreSQL/MySQL) with strong proficiency in SQL 

● Experience with ORM frameworks (e.g., TypeORM, SQLAlchemy or similar)

● Familiarity with NoSQL databases (e.g., MongoDB) and caching systems like Redis is a plus 

● Test-driven development and automated testing experience is a plus ● Proficiency with modern software engineering tools, Git-based workflows, and CI/CD pipelines 

● Strong ownership mindset with ability to lead teams, mentor developers, and drive end-to-end delivery 

● Excellent communication and collaboration skills with cross-functional stakeholders

● Working knowledge of AWS or other cloud platforms is an added advantage 

Job Title: Senior Full Stack Developer 

Location: Chennai / Coimbatore 

Position Type: Full-Time 

About Us: 

At Justo Global, we are dedicated to empowering Small and Medium Enterprises (SMEs) around the world through our primary driver’s technology, data, and media. Our primary objective is to establish a global platform that effectively connects SMEs from India, developing countries, and beyond to the international market. Our mission revolves around creating an inclusive environment where SMEs can leverage the power of technology, data, and media to drive their success. 

What We’re Looking For: 

Minimum 5 - 8 years of work experience in Software application development. 

• 3+ Years of experience as a full stack developer with experience in the design and implementation of UI using React.js. 
• 5+ Years of experience in developing APIs using Node.js, and having experience with Golang will be an added advantage. 
• Proven experience in React design guidelines, SDK, and excellent JavaScript skills. 
• Experience working with SQL and NoSQL-based databases such as Oracle, MySQL, PostgreSQL, MongoDB. 
• Familiarity with API security models including but not limited to OAuth, JSON Web Token, Digital Certificates, Basic Authentication, and OpenID. 
• Exposure to DevOps culture with hands-on experience in Jenkins for CI/CD would be an added advantage. 
• Knowledge of containerization utilizing Docker and Kubernetes will be an added advantage. 

Responsibilities: 

• Demonstrate a strong sense of ownership and responsibility with release goals. This includes understanding requirements, technical specifications, design, architecture, implementation, unit testing, builds/deployments, and code management. 
• Ensure compliance through the adoption of enterprise standards and promotion of best practice / guiding principles aligned with organization standards. 
• Build and maintain the environment for speed, accuracy, consistency, and ‘up’ time. 
• Hands-on position requiring strong analytical, architectural, development, and debugging skills that includes both development and operations. 
• Developing front-end website architecture and designing user interactions on web pages, ensuring the responsiveness of applications. 
• Developing back-end APIs and creating servers and databases for functionality. 
• Working alongside graphic designers for web design features. 
• Designing and developing APIs meeting both technical and consumer needs. 

The Team: 

You will be part of an exciting talent group, where we have a dynamic team of engineers to solve the many challenges and puzzles of our rapidly evolving technical stack. We’re seeking a Senior full stack developer who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. This person will have complete, end-to-end ownership of projects. The ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. The full stack developer will join a small team that uses new technology to solve challenges for both the front-end and back-end architecture, ultimately delivering amazing experiences for global users. 

• Design and develop a comprehensive website using Next.js, integrating both client-side and server-side architecture.
• Build reusable code and libraries for future use, ensuring the technical feasibility of UI/UX designs.
• Optimize applications for maximum speed and scalability across a vast array of web-capable devices and browsers.
• Collaborate with team members, including designers and project managers, to translate business and user requirements into technical solutions.
• Implement robust security and data protection measures.
• Stay up-to-date with emerging technologies and industry trends to incorporate into operations and practices.
• Conduct testing to identify bugs and technical issues before and after deploying.
• Document development processes, code changes, and other technical information for reference and reporting.

We are looking for skilled Senior Full-Stack developers who can architect and develop large-scale enterprise applications using React.js for front-end and Node.js for API's.

Responsibilities :

●      Review application requirements and interface designs.

●      Identifying web-based user interactions.

●      Developing and implementing highly responsive user interface components using React concepts.

●      Writing application interface codes using Javascript following React.js workflows.

●      Understand proposed features and quickly design and build scalable API and SQL schema & queries.

●      Proactively analyze website performance and implement solutions for improvement.

●      Collaborate with architects, developers, business analysts, and QA analysts to design, develop, and test applications.

●      Documenting application changes and developing updates.

●      Collaborate with other team members.

Requirements :

●      Proven work experience as MERN developer (5+yrs)

●      3+ years of experience building complex web applications.

●      Solid work experience using component-based development on the client-side.

●      3+ years of experience coding robust and secure Rest API's in Node.js, JSON, XML.

●      Experience coding in JavaScript, HTML, CSS.

●      Experience in integrating systems using Rest APIs and single sign-on.

●      Experience with continuous integration / continuous deployment using AWS CodePipeline and CloudFormation templates.

●      Experience with AWS infrastructure (API Gateway, S3, Lambda, Aurora, EC2).

●      Experience with Google Analytics integration.

●      Deep knowledge to create standards-compliant, cross-browser, mobile compatible front-end code with responsive design.

●      Deep knowledge of server-side and front-end performance optimization.

●      Strong design skills are a huge plus.

●      Should be a self-starter who is excited to solve many technical challenges relentlessly.

●      Must have excellent written and verbal communication skills.

MERN Stack Developer

2.5+ YEARS

Roles and Responsibility

Working experience as a MERN Stack Developer.

Design, code and manage large scale services using cutting edge technologies (NodeJs, ReactJS/AngularJS/VueJs etc).

In-depth knowledge of NodeJS.

Creating secure RESTful-based web services in XML or JSON.

Good knowledge in ECMAScript(6/7/8) is essential.

Strong fundamentals in Data Structures and Algorithms.

Experience implementing applications using Angular or React.

Should have an working experience with state management, React Hooks, React Fragments etc.

Should have a good Knowledge of Redux, Flux, and Webpack.

Writing the test case for components.

Experience working with Docker, Redis, MySQL, MongoDB.

Comfortable taking challenges and learning new technologies.

Excellent communication skills and client-facing experience.

Ability to mentor and build the team.

Knowledge of code versioning tools such as Git, Bitbucket or SVN.

Knowledge of the following will be considered as an advantage

Experience with Socket.IO for Real time communications.

Consumer Web Development Experience for High-Traffic, Public Facing web applications.

Caching with Redis For Speedy Performance.

Experience with cloud message APIs.

Knowledge of GraphQL, PostgreSQL.

Knowledge of NextJs.

Knowledge of any frameworks of NodeJS.

Experience with Progressive Web applications.

Knowledge of SSR.

We are looking for a Shopify app developer on an urgent basis. The candidate should have a minimum of 2 years of experience in Shopify custom app development for private and public apps.

Job Description:

• Proficient in Liquid, HTML/CSS, React JS & Node.
• Must have hands-on experience in Databases. (MongoDB)
• Proficient understanding of code versioning tools, such as Git
• Aware of Shopify variables and Shopify API.
• Building reusable code and libraries for future use.
• Should have good communication & management skills for daily sprints.

• Own and implement features used by large customers like Truecaller, Mozilla, Zomato, Netflix, etc.
• Performance, Security and Usability goals are in DNA.
• Full ownership and accountability of Microservices which includes day-to-day operations and maintenance.
• Business and technical Metric definitions and reviews.
• Drive CI & CD Evaluate technologies and development stacks for API-based platform which scales to 100,000 transactions per second.
• Perform push-button deployments of any version of the software to any environment on demand.
• Design and build web apps that are scalable and puts user experience front and center.
• Develop modular UI components for company-wide reuse.
• Evolve a common design language for UI across apps.
• Establish and advocate front-end coding guidelines.
• Meld UX and great-looking UI while keeping excellent code quality.
• Own end-to-end life cycle of the product from requirement analysis, design, development, test, release, and maintenance.
• Develop reusable tools/libraries
• Identify opportunities for automation and collaboration points.
• Continuously improve cycle time, throughput, and code quality.
• Continuously improve value-adding-activities/non-value-adding activities ratio.

• 4 - 6 years of experience in large-scale distributed systems.
• Proficient in Python/Golang/Java/ http://node.js/">Node.js 
• Understanding of CSS, Advanced Javascript, http://vue.js/">Vue.js, http://react.js/">React.js, and other web technologies.
• Understanding of Rest based API Architecture
• Writing high-performance, reliable and maintainable code.  
• Excellent microservices pattern understanding.  
• Ability to define cross-core contracts and bring them to closure through collaboration.
• Good knowledge of database structures, theories, principles, and practices.  
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
• Analytical and problem-solving skills  
• Good aptitude in multi-threading and concurrency concepts.  
• Working knowledge of Git and proficiency with at least one build server: Jenkins/Travis/Bamboo.
• Good to have a telecom background