Fullstack Developer

Job Title: Full Stack Engineer

Location: Delhi-NCR

Type: Full-Time

Responsibilities

Frontend:

• Develop responsive, intuitive interfaces using HTML, CSS (SASS), React, and Vanilla JS.
• Implement real-time features using sockets for dynamic, interactive user experiences.
• Collaborate with designers to ensure consistent UI/UX patterns and deliver visually compelling products.

Backend:

• Design, implement, and maintain APIs using Python (FastAPI).
• Integrate AI-driven features to enhance user experience and streamline processes.
• Ensure the code adheres to best practices in performance, scalability, and security.
• Troubleshoot and resolve production issues, minimizing downtime and improving reliability.

Database & Data Management:

• Work with PostgreSQL for relational data, ensuring optimal queries and indexing.
• Utilize ClickHouse or MongoDB where appropriate to handle specific data workloads and analytics needs.
• Contribute to building dashboards and tools for analytics and reporting.
• Leverage AI/ML concepts to derive insights from data and improve system performance.

General:

• Use Git for version control; conduct code reviews, ensure clean commit history, and maintain robust documentation.
• Collaborate with cross-functional teams to deliver features that align with business goals.
• Stay updated with industry trends, particularly in AI and emerging frameworks, and apply them to enhance our platform.
• Mentor junior engineers and contribute to continuous improvement in team processes and code quality.

We are looking for a highly skilled and motivated .NET Developer to join our team immediately. As a .NET Developer, you will be responsible for developing, customizing, and maintaining software solutions that align with our vision of creating transformative justice technologies. You will work closely with product managers, designers, and other developers to deliver robust and scalable applications.

Key Responsibilities

• Develop, test, and maintain efficient, reusable, and reliable code using .NET Core and .NET Framework technologies.

• Design and implement scalable APIs, web services, and applications.

• Collaborate with cross-functional teams to define, design, and ship new features.

• Troubleshoot, debug, and upgrade existing software.

• Write clean, scalable code following best coding practices.

• Participate in code reviews to maintain code quality standards.

• Ensure the performance, quality, and responsiveness of applications.

• Stay updated with the latest industry trends and technologies relevant to .NET development.

• Support continuous improvement by investigating alternatives and technologies to drive innovation.

• Create technical documentation for reference and reporting.

Key Skills and Qualifications

• Bachelor’s Degree in Computer Science, Information Technology, or a related field.

• 2–5 years of proven experience as a .NET Developer (Immediate Joiners Preferred).

• Strong proficiency in C#, ASP.NET Core, ASP.NET MVC, and Entity Framework.

• Experience with front-end technologies such as HTML5, CSS3, JavaScript, jQuery, and preferably Angular or React.

• Proficiency in RESTful APIs and Microservices architecture.

• Experience with MS SQL Server, including writing complex queries, stored procedures, and performance tuning.

• Familiarity with Azure, AWS, or other cloud services is a plus.

• Solid understanding of object-oriented programming (OOP).

• Knowledge of Agile/Scrum development methodologies.

• Strong problem-solving skills and attention to detail.

• Excellent communication and interpersonal skills.

About HighLevel

HighLevel is a cloud-based, all-in-one white-label marketing and sales platform that empowers marketing agencies, entrepreneurs, and businesses to elevate their digital presence and drive growth. With a focus on streamlining marketing efforts and providing comprehensive solutions, HighLevel helps businesses of all sizes achieve their marketing goals. We currently have 1000+ employees across 15 countries, working remotely as well as in our headquarters, which is located in Dallas, Texas. Our goal as an employer is to maintain a strong company culture, foster creativity and collaboration, and encourage a healthy work-life balance for our employees wherever they call home.

Our Customers

HighLevel serves a diverse customer base, including over 60K agencies & entrepreneurs and 500K businesses globally. Our customers range from small and medium-sized businesses to enterprises, spanning various industries and sectors. Scale at HighLevel: We work at scale; our infrastructure handles around 3 Billion+ API hits & 2 Billion+ message events monthly and over 25M views of customer pages daily. We also handle over 80 Terabytes of data across 5 Databases. About the

Team

Currently we have millions of sales funnels, websites, attributions, forms and survey tools for lead generation. Our B2B customers use these tools to bring in the leads to the HighLevel CRM system. We are working to continuously improve the functionality of these tools to solve our customers’ business needs. In this role, you will be expected to be autonomous, guide other developers who might need technical help, collaborate with other technical teams, product, support and customer success

About the Role

● You will lead and mentor a team of engineers, fostering a culture of collaboration, innovation, and continuous improvement.

● You will architect, develop, and optimize scalable solutions using Google Cloud Platform services (or equivalent platforms like AWS), including Pub/Sub, Cloud Tasks, GKE (Kubernetes), and autoscaling mechanisms.

● You will also drive frontend development initiatives using Vue or React, focusing on performance optimization and, if applicable, module federation.

● You will design and optimize database structures and queries, focusing on MongoDB and Firestore, to ensure high performance and scalability.

● You will build and scale platform infrastructure in dynamic, fast-paced environments, ensuring reliability, security, and cost-effectiveness.

● You will collaborate with cross-functional teams to define technical requirements and deliver impactful solutions.

● You will solve complex technical problems, especially under pressure, with a methodical and analytical approach.

● You will stay updated on industry trends and best practices, integrating them into the team's workflows and architectures. Required

Qualifications

● 5+ years of experience in software engineering, with at least 1 year in a leadership role.

● Expertise in Google Cloud Platform services (or equivalent), including hands-on experience with Pub/Sub, Cloud Tasks, Kubernetes (GKE), and autoscaling strategies.

● Strong proficiency in modern frontend frameworks like Vue or React, with a deep understanding of frontend optimization techniques; knowledge of module federation is a plus.

● Advanced knowledge of databases, particularly MongoDB and Firestore, with proven experience in performance optimization.

● Demonstrated success in building and scaling platform infrastructure in high-growth or fast-paced environments.

● Strong analytical and problem-solving skills, with the ability to perform effectively under pressure.

● Comprehensive understanding of system architecture and cloud practices.

● Excellent communication and leadership skills, with a track record of mentoring and developing engineering teams.

About OOLIO :

Founded in 2019, Oolio has rapidly grown into Australia’s largest hospitality tech provider, trusted by industry giants like Star Casinos. Our innovative solutions empower businesses to streamline operations, enhance guest experiences, and drive revenue growth.

With a global footprint, we have established offices in the UK, US, and New Zealand, delivering cutting-edge technology to some of the world's most dynamic hospitality brands.

At Oolio, we’re not just building software—we’re shaping the future of hospitality with innovation, agility, and a passion for excellence. 🚀

As a leading hospitality technology company, delivering innovative solutions that help restaurants, cafes, and food service businesses streamline operations, integrate ordering and payments, and enhance customer experiences. Our platform is built on modern cloud-native technologies and follows an event-driven architecture, enabling

high scalability and reliability.

Responsibilities:

• Design, develop, and maintain scalable and high-performance web and mobile applications.

• Work across the stack with React, Golang, and Node.js.

• Working understanding of React Native is a plus.

• Architect and optimize APIs and microservices to ensure reliability, scalability, and security.

• Deploy, monitor, and manage cloud infrastructure using Kubernetes and AWS.

• Collaborate with product managers, designers, and other engineers to build seamless user experiences.

• Conduct code reviews, mentor junior developers, and promote best practices in software development.

• Continuously improve system performance, observability, and developer productivity.

• Troubleshoot and resolve production issues, ensuring uptime and reliability.

Requirements:

• 6+ years of experience as a Full Stack Engineer, working on production-grade applications.

• Strong proficiency in React.js (3yrs) for front-end development. Experience with React Native is a plus.

• Experience with Golang (3+yrs) and Node.js (3+yrs) for backend development.

• Solid understanding of microservices architecture and API development.

• Experience with Kubernetes, Docker, and cloud platforms (AWS) for about 4+ yrs

• Knowledge of databases (SQL and NoSQL) such as PostgreSQL and DynamoDB.

• Familiarity with CI/CD pipelines and DevOps practices.

• Strong problem-solving and analytical skills.

• Built offline first applications.

• Excellent communication and teamwork abilities.

Nice-to-Have:

• Experience in the pos or payments industry.

• Knowledge of GraphQL and gRPC.

• Familiarity with event-driven architecture (Kafka, RabbitMQ, etc.).

• Exposure to performance tuning and high-traffic system optimizations.

What We Offer:

• Competitive salary and benefits package.

• Hybrid work model with flexibility.

• Opportunity to work on cutting-edge technology in a fast-growing industry.

• A collaborative and dynamic work environment with a talented global team.

• Career growth opportunities and ongoing learning support.

If you are passionate about building scalable solutions and want to be part of an innovative team in the hospitality tech space, we'd love to hear from you!

Apply now and help shape the future of hospitality technology!

**Work remotely / Work From Home with BigStep Technologies throughout your tenure**

Desired candidates must have 7+ years of total experience in backend development with good expertise in MEAN Stack (MongoDB, ExpressJS, AngularJS, Node.js) and JavaScript, along with strong development and coding skills, good analytical and problem-solving skills.

Roles and Responsibilities :

What You'll Do

• Create the system architecture for any product from scratch as well as drive it for more than one development teams
• Design and deliver solutions that enable fast and efficient deployment of quality code to production
• Document the architectural blueprint and end to end design through flowcharts and diagrams.
• Set coding standards for development teams and ensure all released code is following standards
• Oversee the code review process, performing reviews when necessary
• Establish strong communication channels and relationships with the development teams, supporting them throughout the release cycle
• Continuously evaluate the existing software to identify areas of improvement and ensure architectural integrity as additional features are added.
• Lead DevOps and implement tooling and process improvements when you identify gaps
• Work with various stakeholders and identify the scope of the work, provide high level estimations, create a timeline and come up with the approach and design for the same.
• Evaluate and recommend tools, technologies and processes to ensure the highest quality product platform.
• Coach and mentor the development teams to improve the overall expertise and skills of the team.
• Take care of the development of critical components and POCs for new technologies to be used.
• Deliver high quality deliverables individually/as a team adhering to industry best practices.
• Troubleshoot any errors or issues that arise in the application/infrastructure components quickly and efficiently.

What You Bring

• 7+ years in software development or product engineering
• Proficient in MEAN Stack
• Good experience in backend development with Node.js
• Expertise in developing RESTful APIs
• Have created multi-transactional and highly redundant systems from ideation to production
• Customer-centric mindset
• Expertise in Agile SCRUM best practices
• Expertise in implementing front-end of applications using HTML5, Angular.js
• Proficient in MVC, OOPS concepts, Web Development Concepts, HTML, JSON, REST API development
• Strong coding skills, good analytical and problem-solving skills
• Ability to break down complex technical concepts into something digestible by non-technical stakeholders

• Experience as a full stack developer or similar role.
• Knowledge of multiple back-end languages is good to have (e.g. Java, Scala, Python, C#, J2EE, Web Services) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Experience developing desktop and mobile applications and familiarity with common stacks.
• Experience with large-scale distributed storage and database systems (SQL or NoSQL, e.g. MongoDB/Cassandra/MySQL).
• Superb communication and collaboration skills.
• Ability to translate business use cases into good taxonomy design.
• Demonstrable skills in understanding importance of data design.