.NET Fullstack Developer

Job Summary

We are seeking a skilled Full Stack Developer with 3.5+ years of experience in designing and building scalable web applications using Microsoft .NET technologies on the backend and React.js on the frontend. The ideal candidate will be responsible for developing, integrating, and maintaining enterprise-grade applications in a fast-paced Agile environment.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and high-performance web applications using ASP.NET Core and React.js
• Build RESTful APIs and integrate with third-party services
• Implement UI components with reusable and responsive React components
• Optimize application performance and ensure cross-browser compatibility
• Work with relational databases like SQL Server to develop complex queries and stored procedures
• Collaborate with cross-functional teams to understand requirements and deliver high-quality software
• Participate in code reviews, unit testing, and bug fixing
• Follow Agile/Scrum methodologies for software development

Required Skills & Qualifications

• Experience: 3.5+ years of professional experience as a Full Stack Developer
• Frontend: React.js (with Redux or Context API), JavaScript, HTML5, CSS3
• Backend: C#, ASP.NET Core (3.1 or later), Web API, MVC, Entity Framework Core
• Database: SQL Server or other RDBMS, strong knowledge of stored procedures and joins
• Version Control: Git, GitHub/GitLab/Bitbucket
• Cloud & DevOps: Basic understanding of Azure or AWS, CI/CD pipelines (preferred)
• Testing: Unit Testing (NUnit, xUnit, Jest or equivalent)
• Solid understanding of OOP principles, design patterns, and RESTful service integration

Good to Have

• Experience with Docker, Kubernetes, or container-based deployment
• Knowledge of Agile development methodologies
• Exposure to microservices architecture
• Experience in performance optimization and debugging tools

Educational Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field

Why Join Us?

• Work on modern tech stacks and enterprise-grade solutions
• Collaborative and inclusive work environment
• Flexible work arrangements and growth opportunities
• Competitive salary and performance-based rewards

We are looking for a talented Full Stack Developer with strong hands-on experience in Node.js and either Angular, React, or Next.js. The ideal candidate should have experience working with microservices, fintech/banking products, queuing systems, and scalable architectures. This role requires excellent problem-solving skills, strong coding fundamentals, and the ability to work in a fast-paced, product-focused environment.

Key Responsibilities

• Develop scalable, secure, and high-performance full-stack applications using Node.js and Angular/React/Next.js.
• Design, build, and maintain microservices-based architectures.
• Work with large datasets and ensure efficient data processing, storage, and handling.
• Integrate and manage message queuing systems such as RabbitMQ, Google Pub/Sub, or other brokers.
• Collaborate with Product, UI/UX, QA, and DevOps teams to deliver high-quality product features.
• Build reusable front-end components and optimize applications for maximum speed.
• Implement RESTful APIs, backend services, and API integrations.
• Follow best coding practices, testing methodologies, and documentation standards.
• Troubleshoot and resolve issues related to backend, frontend, databases, and cloud deployments.
• Manage deployments and automate workflows using CI/CD pipelines.
• Ensure robust security practices in code, APIs, and database management.

About HighLevel

HighLevel is an AI powered, all-in-one white-label sales & marketing platform that empowers agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. We are proud to support a global and growing community of over 2 million businesses, comprised of agencies, consultants, and businesses of all sizes and industries. HighLevel empowers users with all the tools needed to capture, nurture, and close new leads into repeat customers. As of mid 2025, HighLevel processes over 4 billion API hits and handles more than 2.5 billion message events every day. Our platform manages over 470 terabytes of data distributed across five databases, operates with a network of over 250 microservices, and supports over 1 million hostnames.

Our People

With over 1,500 team members across 15+ countries, we operate in a global, remote-first environment. We are building more than software; we are building a global community rooted in creativity, collaboration, and impact. We take pride in cultivating a culture where innovation thrives, ideas are celebrated, and people come first, no matter where they call home.

Our Impact

As of mid 2025, our platform powers over 1.5 billion messages, helps generate over 200 million leads, and facilitates over 20 million conversations for the more than 2 million businesses we serve each month. Behind those numbers are real people growing their companies, connecting with customers, and making their mark - and we get to help make that happen. Learn more about us on our YouTube Channel or Blog Posts

About the Role

We’re looking for a Senior Software Engineer to join our Agency Module and Billing Team, which powers the foundation of our Agency Ecosystem — enabling seamless onboarding, management, and monetisation experiences for HighLevel’s agencies and their clients.

Today, over 100K agencies run their businesses with HighLevel, collectively serving 2M+ businesses of all scales — primarily SMBs. The Company Module and Agency Billing systems are at the heart of this growth, helping agencies onboard faster, manage finances effortlessly, and scale their operations with reliability and transparency.

This team builds and scales key components like Agency Signup, Agency Billing, and the HighLevel Affiliate Program, all integrated into our whitelabeled platform that empowers businesses to deliver customised experiences under their own brand. These systems are critical to the growth and sustainability of HighLevel’s ecosystem — supporting thousands of agencies and their downstream customers with robust, scalable, and secure infrastructure.

As a Senior Software Engineer, you’ll play a pivotal role in designing and evolving these core systems. You’ll work on challenges across frontend and backend architecture, distributed systems, payment integrations, and multi-tenant SaaS design — ensuring reliability, scalability, and a seamless experience for agencies across web and mobile platforms.

You’ll collaborate closely with Product Managers, Designers, and other Engineers to deliver powerful and intuitive solutions that help agencies scale faster and manage their businesses effortlessly.

Responsibilities

• Own and contribute to architecture and development across Agency Module, Billing, and Affiliate systems, driving technical excellence across frontend and backend services.
• Design and implement robust backend APIs for subscription management, payments, invoicing, and affiliate tracking, using test-driven development and scalable distributed patterns (caching, messaging, queuing).
• Deliver performant frontend experiences for agency onboarding, billing dashboards, and affiliate management using modern frameworks and component-driven architecture with strong state management principles.
• Architect secure integrations with third-party payment gateways (e.g., Stripe, Razorpay, PayPal, etc.) and internal microservices, ensuring accuracy, reliability, and compliance in all financial transactions.
• Implement and maintain observability, logging, and monitoring to ensure high availability and rapid incident resolution across critical billing and agency workflows.
• Champion platform security and compliance by enforcing best practices across authentication, authorization, data protection, and rate-limiting — ensuring the integrity of sensitive financial and user data.
• Leverage LLMs and AI-assisted tools to accelerate development, automate testing, refactoring, and documentation, while maintaining strong reliability guardrails.
• Collaborate cross-functionally with Product Managers, Designers, and other Engineering teams to ensure alignment between business goals and technical architecture.
• Participate in technical reviews, deep dives, and on-call rotations, fostering a culture of accountability, operational excellence, and continuous improvement.

Requirements

• 4+ years of hands-on software engineering experience building and scaling robust backend systems and high-performance frontend applications.
• Strong backend engineering and distributed system design skills, with hands-on experience in API development, data modeling, and systems architecture using either Node.js, GoLang or Java.
• It is preferred if the candidate has experience in TypeScript, PostgreSQL, MongoDB, and Redis as well.
• Expertise in backend performance optimization, caching strategies, and event-driven architectures (e.g., Redis, Kafka, Pub/Sub).
• Familiar with modern frontend frameworks (React, Vue, Angular), advanced UI engineering patterns, and CSS libraries like Bootstrap or Tailwind CSS.
• Advanced experience with complex state management libraries (e.g., Redux, Vuex, MobX) and architectural design of large-scale application state.
• Proven track record of optimizing frontend performance and web vitals at scale, including experience with server-side rendering (SSR), edge, or hybrid rendering architectures.
• Familiarity with frontend and backend observability - including monitoring, tracing, error tracking, and performance profiling in production (e.g., Grafana, Prometheus, Sentry, PostHog).
• Strong understanding of security best practices across the full stack—including authentication, authorization, access control, secure data flow, and privacy compliance.
• Excellent communication and cross-functional collaboration skills, able to drive complex initiatives, lead technical discussions, and mentor junior engineers.

EEO Statement:

At HighLevel, we value diversity. In fact, we understand it makes our organisation stronger. We are committed to inclusive hiring/promotion practices that evaluate skill sets, abilities, and qualifications without regard to any characteristic unrelated to performing the job at the highest level. Our objective is to foster an environment where really talented employees from all walks of life can be their true and whole selves, cherished and welcomed for their differences while providing excellent service to our clients and learning from one another along the way! Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions.

Dear Candidate,

We are urgently Hiring Java Full stack developers with React for Bangalore Location.

Position: Java FS with React

Location: Bangalore, Hyderabad

Experience: 8-11 yrs

Skills: J2EE/Core java , React

Salary: Best in Industry (20-25% Hike on the current ctc)

Note:

only Immediate to 15 days Joiners will be preferred.

Candidates from Tier 1 companies will only be shortlisted and selected

Candidates' NP more than 30 days will get rejected while screening.

Offer shoppers will be rejected.

Best Regards,

Minakshi Soni

Executive - Talent Acquisition (L2)

Rigel Networks

Worldwide Locations: USA | HK | IN 

Key Responsibilities

Designing and implementing robust, mobile-friendly Web & Mobile applications which includes managing the complete software development process from conception to deployment

Managing the end-to-end life cycle for the production of software and applications

Overseeing and guiding the analyzing, writing, building, and deployment of software

Provide feedback to management during the development process

Modifying and testing changes to previously developed programs

Support customer requirements for the team within established SLA’s.

Provide technical expertise to resolve service impacting incidents and problems.

A successful candidate must have the ability to work as part of a team, be selfmotivated, and work in a loosely defined environment as well as build relationships within the collaborative team

Qualifications & Experience

• Total Experience 3-10 years in the relevant field
• Engineering Degree in Computer Science from a reputed institute
• 2-3 years of technology experience
• Extensive experience in Coding C#, .Net Core, ASP.NET, MVC, Web API, Design Pattern, SQL queries
• 2+ years experience with design patterns and best practices
• 2+ years HTML, CSS, JavaScript, emphasis on frameworks such as Angular 7+, React (good to have)
• Ability to realize and implement Design Comps into a aesthetically pleasing web experience.
• Ability to design and develop for Mobile (Experience with Xamarin will be an added advantage)
• Proven past experience of Azure storage and SQL Server
• Team player, confident, independent and enthusiastic!
• Strong critical thinking, problem solving and communication skills.
• Excellent written and oral communication skills.
• Excellent understanding of Microsoft products, software lifecycle methodology and information systems development and support.
• Ability to work with multiple projects at the same time, strong documentation skills, and a methodical approach to problem resolution are critical to succeed in this role

• 5+ years’ experience in customer focused product management in a technical product, end-to-end implementation and deployment within cloud systems.
• Must have experience in SaaS applications.
• Must have knowledge of Angular 8+, Azure, HTML CSS, JQuery, JavaScript ASP.Net, C#, SQL Server 2012/2014+ etc.
• Should have sound knowledge of Object-Oriented (OOPS) concepts.
• Must have experience in end-to-end product ownership and project management.
• Good experience in Relational Database Management Systems, Database design and Normalization.
• Hands-on experience in design, development, and debugging of systems.
• Object-Oriented Design (OOD) to ensure scalability and maintainability.
• Experience managing multiple clients with strong knowledge of Agile/SCRUM processes.
• Hands-on experience in DevOps and Azure functions.

KEY DUTIES AND RESPONSIBILITIES

·         Working on and at times leading the full software development lifecycle of systems

• Solid technical background with understanding and/or hands-on experience in software development, web technologies.
• Works with the product development team on the validation and verification process.
• Coordinate with the sales team to promote the product. 
• Experience of going through a full product lifecycle, integrating internal and external customer feedback into product requirements, managing change requests, driving prioritization and pre- / post-launch execution.
• Define product tasks and resource requirements.
• Analysis of systems, considering reliability, systems risks and code.
• Create technical and feature roadmaps along with release planning, sprint goals, and grooming of both technical and business functions.
• Manage project conflicts, challenges, and dynamic business requirements to meet expected deliverables.
• Experience in maintaining the document of application functionality.
• Excellent understanding of process management, improvement practices, operation services.
• Strong written and verbal communication skills.

We are looking for a driven, curious and sincere full-stack software engineer having 0-2 years of professional experience. They will be assigned to a 0 to 1 project which presents a great opportunity to learn and grow.

Roles & Resposibilities:

• You will be involved in full-stack development
• Working on relational as well as non-relational databases.
• Writing and maintaining high-quality code.
• Learning the code base and improving your coding skills.

Desired skills and qualities:

• Bachelor degree in computer engineering or related field.
• Atleast 6 months of full-time or internship experience in Javascript.
• Data structures and algorithms.
• Strong understanding of object-oriented programming.
• Ability to communicate ideas clearly(verbal/written).
• HTML and CSS.

• Collaborate with internal teams and the Solution Architect to discuss software design and architecture and best practices.
• Learn & work on POC's of trending technology along with the Solution Architect

• Translate application storyboards and use cases into functional applications
• Ensures the code follows latest coding practices and industry standards
• Contribute development activities into various projects
• Ensure the best possible performance, quality, and responsiveness of applications
• Should be able to identify, categorize, parse out, articulate and fix problems that occur in applications
• Should understand concept of iterative development and leverage DevOps tools for CI & CD
• Form strong working relationships with your peers and across the team
• Mentoring and educating less experienced team members in related technologies using methods such as informal training, pair programming etc
• Project Participation

• Early adoption of trending technologies
• Proactive communication/soft skills

• Deep knowledge of OOPS, and RESTful API services.
• Experience using well-known JavaScript frameworks and libraries, such as React / Angular / Vue etc.
• Deep expertise in one or more of the following technologies - PHP, NodeJS, .NET
• Knowledge of DevOps (Containerization / Jenkins Pipeline, etc.)
• Ability to write and high quality and secure code and understand performance issues
• Experience with database systems, with knowledge of SQL and NoSQL stores (e.g., MySQL, Oracle / MongoDB, SQL Server, etc.)
• Experience on cloud related technologies (AWS / Azure) could be add-on.
• Proficient in multiple stacks of technologies / systems / tools and focus on building depth and breadth of skills.
• Demonstrate the ability to build a work plan or parts of a work plan, as applicable for role
• Strong understanding of Agile methodologies.

• Development - .NET Core | PHP | HTML5/CSS | Angular | React | VueJS
• DevOps - GIT, Jenkins
• Cloud – AWS | Azure
• Database – Oracle | Mongo DB | MSSQL | MySQL | PostGreSQL

• Team Player
• Strong communication skills with ability to communicate complex technical concepts and align organization on decisions
• Ability to communicate well in English
• Sound problem-solving skills with the ability to quickly process complex information and present it clearly and simply
• Passionate about technology and excited about the impact of emerging/disruptive technologies
• Open to learning new ideas outside scope or knowledge skillset
• Creating a positive environment within the team
• Strong team player and be a technical lead for the team.
• Challenge the status quo

Job Responsibilities

• Manage a team of talented engineers and oversee daily execution
• Work with product managers in planning sprints and task estimation
• Remove roadblocks for teams and increase delivery velocity
• Provide technical leadership to the team
• Be Technical SME in client meetings
• Be a stickler for code quality, test coverage
• Coach and grow engineering team

To be successful in this role, you need to have/be:

• Proven track record in managing engineering teams and delivering quality products.
• Experience in Ruby on Rails, React JS tech stacks
• Experience in building high performance web applications/APIs
• Top notch analytical/problem solving/debugging skills
• Should have proven ability to build, lead and develop a team
• Strong communication skills with the ability to clearly articulate needs as well as provide the team with a clear overview of the priorities
• Excellent verbal, analytical, organizational, and written skills