Senior Software Engineer (ReactJS+RoR)

About the Role:

We are seeking a highly skilled Integration Specialist / Full Stack Developer with strong experience in .NET Core, API integrations, and modern front-end development. The ideal candidate will build and integrate scalable web and mobile applications, manage end-to-end delivery, and ensure smooth data exchange across platforms.

Key Responsibilities:

• Design, develop, and maintain backend APIs using .NET Core / C#.
• Build and integrate REST and SOAP-based services (JSON, XML, OAuth2, JWT, API Key).
• Implement file-based integrations (Flat file, CSV, Excel, XML, JSON) and manage FTP/SFTP transfers.
• Work with databases such as MSSQL, PostgreSQL, Oracle, and SQLite — including writing queries, stored procedures, and using ADO.NET.
• Handle data serialization/deserialization using Newtonsoft.Json or System.Text.Json.
• Implement robust error handling and logging with Serilog, NLog, or log4net.
• Automate and schedule processes using Quartz.NET, Hangfire, or Windows Task Scheduler.
• Manage version control and CI/CD pipelines via Git and Azure DevOps.
• Develop front-end interfaces with React and React Native ensuring responsive, modular UI.
• Implement offline-first functionality for mobile apps (sync logic, caching, etc.).
• Collaborate with cross-functional teams or independently handle full project ownership.
• Utilize AI-assisted development tools (e.g., Cursor, GitHub Copilot, Claude Code) to enhance productivity.
• Apply integration best practices including middleware, API gateways, and optionally message queues (MSMQ, RabbitMQ).
• Ensure scalability, security, and performance in all deliverables.

Key Skills & Technologies:

• Backend: .NET Core, C#, REST/SOAP APIs, WCF, ADO.NET
• Frontend: React, React Native
• Databases: MSSQL, PostgreSQL, Oracle, SQLite
• Tools: Git, Azure DevOps, Hangfire, Quartz.NET, Serilog/NLog
• Integration: JSON, XML, CSV, FTP/SFTP, OAuth2, JWT
• DevOps: CI/CD automation, deployment pipelines
• Optional: Middleware, API Gateway, Message Queues (MSMQ, RabbitMQ)

Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• Minimum 5 years of hands-on experience in software development and integration.
• Proven expertise in designing and implementing scalable applications.
• Strong analytical and problem-solving skills with a proactive approach.

Nice to Have:

• Experience with cloud services (Azure, AWS, GCP).
• Knowledge of containerization tools like Docker or Kubernetes.
• Familiarity with mobile deployment workflows and app store publishing.

Role: .NET Developer with React.js

3+ years in .NET/C# development (ASP.NET, Web API, MVC or Core)

Expertise in React.js (Redux, Hooks, component design)

Job Requirements

Must have:

• Experience working on Node.js with Typescript and Express.
• Experience working with SQL and NoSQL databases. Experience with PostgreSQL and DynamoDB would be preferred.

Nice to have:

• Experience in ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
• Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms.
• Knowledge of Unit testing frameworks

.

Job Responsibilities

• Design, build and maintain software applications.
• Write well-designed, testable, efficient code by using best software development practices.

At CEDCOSS, we're all about you.

CEDCOSS is more about experiencing than talking. It was founded and is still standing on the principle of putting employees first. Discover, create, learn, explore, and be amazed daily. As a team of like-minded individuals with different beliefs, our company is dynamic.

Established in 2010, we have implemented hundreds of eCommerce sites across a variety of platforms. A particular focus is on eCommerce startups and mid-market companies. Our clients range from Fortune 500 companies as well as small businesses.

Are you ready to create connections that become lasting relationships?

Listen, Learn and Make a Match with CEDCOSS!

You should have

● 5 - 8 years of professional experience in Node.js

● Strong Knowledge of Node.js and frameworks - Express.js

● Hands-on experience in creating, designing and using RESTful API

● Experience in the development of large-scale SaaS and cloud-native applications

● 5 years of professional experience building Node.js backend applications

● Proficient in any databases such as MySQL, MongoDB, etc.

● Hands-on Experience in Test Drive Development (TDD)

● Strong knowledge of JavaScript libraries and frameworks such as ReactJS

● Understanding of Agile methodologies and experience working in sprints

● Ability to understand business requirements and translate them into technical requirements

● Knowledge of E–Commerce Integration is Good to have.

● Experience in AWS, CI/CD tools, SVN, Git and Bitbucket is good to have.

What you will Do

● Developing high-performance applications by writing testable, reusable, and efficient code.

● Implementing effective security protocols, data protection measures, and storage solutions.

● Troubleshooting and resolution of technical problems and issues, on web applications in a production environment.

● Ensuring that best practices are followed in the design, development, coding, testing, and debugging of software.

● Developing and maintaining eCommerce platforms/web applications and existing online selling channels and affiliates.

● Previous Experience or relevant exposure in the E-commerce industry and understanding of e-commerce business model.

● Overall Understanding of web development lifecycle including frontend and backend using modern frameworks.

● Strong understanding of data structures, DB schemas, troubleshooting and DB optimization.

● You will have to collaborate with Product Management and Implementation teams and build a commercially successful product

Here's what we believe in

● Empathy, addressing the ability to be humane.

● Humility brings us, future leaders.

● Organizational Ethics demonstrates expertise on subject matters with on-job experience.

● Quality of Work ensuring to deploy and deliver of exceptional outcomes

● Attention to details

● Multitasking capabilities to meet set deadlines and schedules

What benefits can we offer?

● Bi-Yearly performance audits and appraisals

● The flexibility of working days/hours

● Recognition and Appreciation

● A plethora of industry exposure and self-growth opportunities

Become part of a team that thrives on challenging, rewarding, safe, and safe work environments

JOB DESCRIPTION

Senior Full Stack Web Developer

About-

It is a freshwater fish and seafood supply chain platform.It is a B2B marketplace leveraging technology to deliver the fastest harvest-to-retail in the industry.Building the future of meat and seafood supply chain.We are building smart supply chain to deliver the highest quality seafood and meat for the Indian consumer. Our innovations in process management and workforce orchestration along with strong industry credentials are enabling us to deliver the fastest harvest-to-fork in the industry.Our endeavor is to leverage experience across various parts of the value chain – farming, production, delivery to marquee brands – to deliver similar value to the Indian consumers.

Role-

As a senior full stack developer, you will contribute to our end to end supply chain platform. You'll work with all key stakeholders to deliver scalable, maintainable code and deliver amazing user experiences. We are building a design and process centric culture where you'll play a key role in the implementation of the foundation of all our systems. Up for a challenge?

You are:

• A self starter with a sense of what it takes to be successful as a team
• Agile - welcome change, do as less as possible and embrace continuous delivery
• Conscious about how quality is carried through from the UI to all layers underneath
• Passionate about design as a foundation of great user experience
• Opinionated, but flexible to accommodate the big picture

Responsibilities

• Analyse requirements, provide estimates and deliver code in an agile setup
• Stay on top of all owned work and raise red flags as early as possible
• Define the architecture, best practices and coding standards for full stack development
• Support continuous technical improvement by investigating alternatives and technologies and present them for architectural review 
• Motivate team members, coach junior members and extend goodwill to other employees

Must have

• Prior startup experience, preferably with war stories to share
• 3-5 years of software industry experience
• Solid understanding of software design, development, testing, and problem-solving 
• Expertise in coding efficient, high quality and modularized software 
• Expertise in React.js & node.js and related ecosystem
• Experience with GraphQL and other modern JS ecosystems
• Expertise in common design patterns and anti-patterns Javascript
• Experience with service-oriented architecture and microservices
• Expertise in relational and non-relational databases and expertise in at least one database system
• Experience with planning, execution and maintenance of test infrastructure for backend workflows
• Knowledge of AWS
• Knowledge of unix shell and source control systems and tools such as git 
• Strong technical leadership skills
• Strong communication skills
• Technical mentoring skills

Great to have

• Experience with CI/CD and setting up monitoring infrastructure
• Experience with Flutter
• Interest in blockchain and computer vision related ML systems
• Experience working on high traffic systems
• Bachelor’s degree in Computer Science or a related discipline.

1. Good communication skills, should able to demonstrate website features
2. Must have good hands-on experience on HTML/CSS and Javascript,C#
3. Experience using SQL to update and retrieve data
4. Good to have experience with vue.js, AngularJS, selenium frameworks and code repositories such as GitLab
5. Analytical skills
6. Understanding of testing frameworks

1. Collaborate with other developers and engineers to design, build, and maintain applications
2. Candidate is responsible for design and development of small modules in ASP.Net core MVC, C#, SQL Server and client side technology as javascript/jquery
3. Write and debug code
4. Troubleshoot application issues
5. Ability to learn and pick up new frameworks