Oracle Apex Developer

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

We are looking for a skilled Full Stack .NET Developer with strong expertise in .NET Core, Web API, Blazor, and WPF, along with hands-on experience in device and hardware integration. The ideal candidate will work on web and desktop applications that integrate with peripherals such as cash acceptors, payment devices, printers, and other kiosk hardware, delivering secure, high-performance, and reliable solutions.

Key Responsibilities

• Design, develop, test, and maintain applications using C#, .NET Core, and ASP.NET Core Web API
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• Develop modern web applications using Blazor (Server and/or WebAssembly)
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• Build and maintain WPF desktop applications using MVVM architecture
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• Design, develop, and consume RESTful APIs for web, desktop, and device-based applications
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• Integrate and manage hardware devices such as cash acceptors, payment terminals, printers, scanners, and other peripherals
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• Work with device SDKs, drivers, COM/USB/Serial (RS232) communication, and third-party APIs
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• Handle device error states, retries, logging, and recovery mechanisms
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• Develop and optimize database objects using MS SQL Server
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• Ensure application performance, security, and scalability, especially in hardware-dependent environments
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• Debug, troubleshoot, and resolve application and device-related issues
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• Collaborate with cross-functional teams to translate business and hardware requirements into technical solutions
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• Participate in code reviews and follow best coding standards and practices
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Technical Must-Have Skills

• Strong proficiency in C# and .NET Core
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• Hands-on experience with ASP.NET Core Web API
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• Strong experience with Blazor (Server and/or WebAssembly)
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• Experience developing WPF desktop applications
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• Solid understanding of MVVM and MVC architecture
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• Experience with device/hardware integration, including:
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• Cash acceptors / bill validators
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• Payment devices (POS, card readers, UPI, NFC)
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• Printers (thermal, receipt, barcode)
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• Knowledge of Serial/USB/TCP-IP communication protocols
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• Strong knowledge of MS SQL Server
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• Experience with RESTful API design and integration
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• Familiarity with Git or other version control systems
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Good-to-Have Skills

• Experience with Entity Framework / EF Core
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• Understanding of Microservices architecture
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• Experience working on kiosk-based or embedded systems
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Soft Skills

• Strong problem-solving and analytical skills
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• Good communication and teamwork abilities
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• Ability to work independently with minimal supervision
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• Attention to detail and commitment to quality
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Educational Qualification

• Bachelor’s degree in Computer Science, Engineering, or a related technical field
• (Equivalent hands-on experience in .NET Core, Blazor, WPF, Web API, and device integration will also be considered)

We are seeking talented and motivated Full Stack Web Developer to join our team. The ideal candidate should have hands-on experience in front-end, back-end, databases, and cloud deployment. You will be responsible for designing, developing, and maintaining scalable web applications, working closely with cross-functional teams in a fast-paced environment.

Responsibilities

• Design and develop responsive front-end applications using modern frameworks (React.js / Angular / Vue.js).
• Build and maintain RESTful APIs / GraphQL services using Node.js, Express, Django, or similar.
• Develop robust back-end systems with focus on performance, scalability, and security.
• Work with databases (MySQL, PostgreSQL, MongoDB, etc.).
• Deploy and manage applications on cloud platforms (AWS / Azure / GCP).
• Collaborate with designers, product managers, and DevOps engineers in an Agile environment.
• Write clean, reusable, and testable code following best practices.
• Debug, troubleshoot, and optimize application performance.

Required Skills

• Front-end: React.js / Angular / Vue.js, HTML5, CSS3, JavaScript (ES6+).
• Back-end: Node.js / Express.js / Django / Spring Boot.
• Databases: MySQL, PostgreSQL, MongoDB.
• Version Control: Git, GitHub, GitLab.
• Cloud Deployment: AWS / Azure / GCP.
• CI/CD basics and DevOps awareness.

Preferred Skills (Good to Have)

• TypeScript for scalable front-end development.
• Experience with Docker / Kubernetes.
• Familiarity with microservices architecture.
• Test automation (Jest, Mocha, Cypress).
• Exposure to Agile/Scrum methodologies.

Eligibility

• B.E / B.Tech / M.E / M.Tech / MCA / M.Sc (IT/CS).
• 2–5 years of experience as a Full Stack Developer.
• Strong problem-solving and analytical skills.

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Job Description

• Gather and analyse information on existing business processes in order to make
• recommendations that seek to improve business systems and processes.
• Analyse and document requirements for enhancements to systems and / or business
• processes. May involve investigation of third-party vendors or systems.
• Clearly document solutions and recommendations to business problems
• Review requirements and designs with relevant stakeholders to obtain agreement and sign off proposals.
• Create cost and time estimates along with project plans to enable prioritization and execution of work.
• Assist and/or coordinate user testing, ensuring issues are resolved in a pragmatic and appropriate manner.
• Assist the design and implementation of ongoing support arrangements for delivered systems.
• Work as part of a project team, reporting progress and escalating issues to project management in a timely manner to ensure successful completion of projects / reviews.
• Complete all tasks related to technical analysis, building and unit testing, quality assurance,
• system test and implementation in accordance with the IT development life cycle.
• Provide post implementation support.
• Create and maintain documentation for systems and processes.
• Adhere to standards set by the Invesco project methodology.
• Contribute the improvement of the existing processes.
• Assist with developing improvements to team processes and procedures.
• Provide On Call support for systems based on agreed coverage timeframe.

• 5-6 years of ASP.NET, C#, HTML5, CSS3, JavaScript and SQL Server, AWS and Microservices
• 3+ years technical leadership and architecture experience in software development
• 4+ years working in SQL-backed environments.
• 3+ knowledge of client-side JavaScript frameworks like React and Redux
• In depth knowledge of REST services (WCF, Web API, Microservices)
• In depth knowledge of Solid work experience in building SaaS based products.
• Experience and clear understanding of how to plan and execute within iterations and sprints.
• Experience working in an Agile/Scrum development process.
• Innovative, challenging programming work in the Microsoft stack, with SQL Server as a back end
• Ability to work independently with the knowledge and capability to come in and make an immediate impact.
• Experience working in a sprint-driven development process.

• Web Apps built with .NET, using both Web Forms and MVC
• APIs built on .NET (C# / REST services)
• SQL Server 2014
• Cloud : AWS
• UI: in depth knowledge on client side JavaScript framework like React
• Experience on DevOps tools

• FORMAL EDUCATION:
• A Bachelor’s Degree in Management Information Systems or Computer Science is preferred or
• commensurate relevant work experience

What You’ll Do:

• Enable and exercise your problem solving and analytical skills.
• Design and develop Java/J2EE based full stack software components including complex modeling, MVC based UI, etc.
• Ensure applications are implemented to meet business and technical requirements.
• Work with high performing engineering teams across global locations.

.What You Need to Be Successful:

• Bachelor’s degree in Computer Science or equivalent.
• Solid 5-10 years hands-on design and coding experience.
• Familiarity with Agile development, JSF/Primefaces, JPA/Hibernate, Spring, ActiveMQ.
• Strong object-oriented design, Java/J2EE and MVC architecture based programming skills.
• Solid relational DBMS skills using MySQL, or other RDBMS products.
• Desirable - Experience in Big Data Technologies (Hadoop, ElasticSearch, Kafka, MongoDB, etc.)
• Nice to have - Real-world experience in large scale, and high availability implementations.
• Experience developing web services using REST and SOAP approaches.

What you will do:

• Work with stakeholders (product owners, project managers, and scrum masters) to define and clarify requirements.
• Provide technical and work direction to the other global developers (be their conduit to the local team)
• Hands-on development of defined architecture and design of both front-end and back-end programming.
• Ability to keep informed of industry trends and technologies.
• Ability to break down complex requirements into specific work items.
• Implement and carry out unit testing.
• Leverage the DevOps team to ensure the product can be automatically built, deployed, and tested using CI/CD pipelines across all of the release cycles from dev to production.
• Strong grasp of modern security principles and how to apply them to applications

Minimum Qualifications:

• Degree in Computer Science, technical field, or equivalent professional experience.
• Proven ability to develop resilient code that performs, and scales based on application usage.
• 6+ years of experience in developing using JavaScript and JavaScript libraries and frameworks such as Angular and React
• 6+ years of experience building applications using JavaScript, HTML, CSS, Web, JSON/XAML-based REST API.
• 3+ years of experience building RESTful web services using NodeJS
• Experience with Unit Testing Frameworks like UnitJS, Mocha
• Understanding of code versioning tools such as Git or Visual Studio Team Services
• Experience with Visual Studio, Visual Studio Code, Atom or Eclipse
• Excellent oral and written communication skills
• Ability to work in a distributed and global environment
• Understanding of building applications deployed in the cloud (Azure, AWS, GCP) leveraging PaaS and IaaS Services
• Able to work in a fast-paced environment with a diverse group of people

Preferred Qualifications:

• Proven ability to quickly learn new technologies
• Experience with agile methodologies
• Strong problem-solving orientation
• Can manage multiple competing tasks/projects at the same time
• Strong team and customer service focus

• 7+ Year of experience with Dot Net Technology with MVC Framework: Angular must require. 
• Mock-ups and designs into pages complete with CSS, HTML, and Angular Writing tested, idiomatic, asynchronous and documented Angular, HTML and CSS. 
• Aware of new features in Angular 7,8,9 
• Ability to develop UIT from wireframes & prototypes 
• Write modular, secure, and well-tested front-end code cooperating with the back- end developer in the process of building the Restful API, Develop User interfaces for Modern Rich Internet Applications with the latest Front-End Technologies. 
• Experience Design overall architecture of the web application Proficient understanding of web trends and technologies like HTML5, CSS3, JavaScript, object-oriented JavaScript, jQuery and Responsive design. 
• Must have experience of working on enterprise single page application can write client-side code for web-based applications, create fast, easy-to-use, high volume production applications, and develop prototypes quickly. Extensive experience of JavaScript, Angular, React and Node.js 

Must to have skills: 

• Angular with updated version, Dot Net, C# and above, HTML 5, CSS 3, Bootstrap, jQuery, Typescript, MVC 5, Web API 2.x, Entity Framework, SQL Server 2012, Store Procedures, Triggers. 

Good to have skills: 

• Dot Net + Angular