Technical Lead- Java/J2EE Development

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!

Role : Java Fullstack Developer

Location : G. noida

Budget: 1.3 LPM

Experience: 5+ years

Add PAN no & DOJ on CV

Candidate must have knowledge of JAVA / J2EE.    

Executes the development, Maintenance, and enhancement of varying complexity levels across platform systems.  

Translate the business requirements and specifications into related solutions designs to understand business needs and functional specifications. 

Write and review technical documents, including design, developments, and code review.  

Good to have knowledge of AWS, SPRING BOOT HIBERNATE, REST API .

Candidate should be able to understand Microservices architecture, continuous integration and deployment mechanism.

● In-depth knowledge of full-stack development principles and best practices.

● Expertise in building web applications with strong proficiency in languages like Node.js, React, and Go. 

● Experience developing and consuming RESTful and gRPC API Protocols.

● Familiarity with CI/CD workflows and DevOps processes. 

● Solid understanding of cloud platforms and container orchestration technologies.

● Experience with Kubernetes deployment and workflows using tools like Argo.

● Experience applying AI/ML models to optimize workflows or enhance product features, with familiarity in frameworks like TensorFlow, MLflow, Kubeflow, or PyTorch. 

● Experience fine-tuning existing AI/ML models to adapt to specific use cases or datasets, ensuring optimized performance. 

● Experience with Workflow Orchestration tools like Temporal and Windmill.

● Strong background in System Design. 

● Hands-on experience with Queuing Mechanisms such as RabbitMQ, Redis, and Kafka. 

● Experience with designing and building user-friendly interfaces using Tailwind CSS and Radix UI. 

● Excellent understanding of distributed systems, databases, and APIs. ● A passion for writing clean, maintainable, and well-documented code. ● Strong problem-solving skills and the ability to work independently as well as collaboratively. 

● Excellent communication and interpersonal skills. 

Bonus points if you have: 

● Experience with building self-serve platforms or user onboarding experiences.

● Familiarity with Infrastructure as Code (IaC) tools like Terraform.

● A strong understanding of security best practices for Kubernetes deployments.

● Grasp on setting up Network Architecture for distributed systems. 

We are currently seeking a full stack software engineer that can architect, design, develop and test applications using the following technologies: React JS, Spring Boot and REST API

Responsibilities:

·      Architect and design scalable, resilient, and cost-effective solutions

·      Lead the engineering team on all design and development work.

·      Hands on with implementing solutions and functions which collaborates with AI/ML products.

·     Experience with system diagrams, technical specifications, implementation and support  plans.

·      Can work in close association with team and communicate efficiently with senior management on various Tech development aspects.

Qualifications:

·      Bachelor's degree/Masters/MS in Computer Science, Information Technology  or a related field..

·      8+ years of experience architecting and designing software solutions.

·      5+ years of experience using UI based technologies such as JavaScript/Typescript, React and/or Next JS

·      5+ years of development experience with Object Orientated Programming (e.g., Java, C++)

·      5+ years of experience with (CI/CD) and Agile methodology

·      5+ years of experience building large scale distributed applications.

·      Hands on experience developing custom file viewers.

·      Experience with web development frameworks, databases, and version control systems

·      Hands on experience with integrating the front end with the back end using REST API’s

R360 powers a data-driven customer engagement ecosystem that enables the world’s leading organisations to earn customer loyalty every day.

For over 10 years, R360’s loyalty and reward platforms have driven ambitious loyalty programs for some of the world’s biggest brands – including Axis Bank, Standard Chartered Bank, HDFC Bank and Emirates National Dubai Bank. We have 500+ global retail partnerships and offer our clients reward programs, nuanced customer segmentation, data-centric campaigns, and big data analytics.

Our multidisciplinary team of technology experts, product engineers, data scientists, client relationship managers and customer experience professionals work together with our clients to enable loyalty by enhancing customer acquisition, engagement and retention.

Currently we are looking for a “Full Stack Developer” with an expertise in Java software development and proficient in React to join the software engineering team for our BFSI clients. The candidate will develop new application features and maintain existing ones. This position requires experience in making decisions and working both independently and as part of a small, dynamic team where everything the candidate does makes a difference.

What you’ll do:

·        Work as full stack developer with prime focus on backend

·        Responsible for handling and overseeing the End-to-end development from designing to development.

·        Produce reusable, testable, and efficient code

·        Troubleshoot critical issues and guide team as well.

·        Support & Nurture other developers providing advice, coaching along with Design and code review of Peers

·        Integrate data storage solutions and ensure application performance, quality, and responsiveness

·        Collaborate with a team to define, design, and ship new features

·        Identify and correct bottlenecks as well as fix bugs

·        Exhibit excellent communications skills and engage in technical discussions with peers becoming a trusted, technical advisor.

What we’ll need:

Mandatory skills:

·        Strong communication and Articulative skills.

·        University degree or equivalent educational experience (optimally a technical or engineering degree)

·        6+ years of software development experience in Java/J2EE using RESTful web services, Microservices and Spring boot

·        3+yrs of hands on experience in Angular/React technologies

·        Strong Data structures & algorithm skills along with Design skills

·        Ability to manage multiple priorities and projects simultaneously 

·        Understanding of Agile methodologies

·        Willingness to take ownership and find ways to unblock oneself.

·        Trustworthy, team oriented and transparent 

Technical Skills:

·        Core Java (Collection, multi-threading, design patterns)

·        Frameworks - Hibernate, Spring, REST Jersey

·        Front end technologies – Java Script, jQuery, Angular, Reactjs

·        Database – SQL & NoSQL

·        Modelling – UML & ERD

The ideal candidate should have a strong foundation in computer science and a passion for building high-quality solutions. The role requires hands-on experience in designing, developing, and implementing scalable and high-performance mobile applications (company is looking for an employee to build a chat application from scratch)

Responsibilities:

1. Design, develop, and maintain a mobile application

2. Write clean, scalable, and maintainable code that

adheres to best practices and industry standards

3. Test applications to ensure they meet customer requirements and are free from defects

4. Implement security and data protection measures in applications

5. Troubleshoot and debug software applications

Requirements:

1. Bachelor's degree in Computer Science or a related field

2. Experience in developing applications using Java, and Javascript.

3. Strong understanding of the software development life cycle (SDLC) and Agile methodologies

4. Experience with front-end technologies such as HTML, CSS, and JavaScript

5. Experience with database design and management, particularly with MongoDB

6. Excellent debugging and troubleshooting skills

7. Strong communication and teamwork skills

As a Scala Developer, you are part of the development of the core applications using the Micro Service paradigm. You will join an Agile team, working closely with our product owner, building and delivering a set of Services as part of our order management and fulfilment platform. We deliver value to our business with every release, meaning that you will immediately be able to contribute and make a positive impact.

Our approach to technology is to use the right tool for the job and, through good software engineering practices such as TDD and CI/CD, to build high-quality solutions that are built with a view to maintenance. 

• Java / Java Script code development using frameworks like Spring, Hibernate , Rest web services,  AWS services.
• · Dev-Ops activities using Maven, Eclipse and other tools
• · Contribute to providing estimates for implementation of new requirements and work diligently towards delivering within the estimates
• · Ensure Quality of the releases by adhering to SDLC best-practices such as, unit tests,continuous integration, system testing
• · Re-use code. Ensure delivered code is modular and extensible
• · Ensure adequate coverage of functional and non-functional requirements in test plans Position Requirements
• · 3-5+ years of hands on experience in Java/J2EE development. Experience with the implementation of a distributed, enterprise JAVA/J2EE solution is strongly preferred
• · Experience in JAVA/J2EE Frameworks such as Spring, hibernate is strongly preferred
• · Experience in SOA and SOA related technologies, solutions and products as well as experience with implementation of REST full web services is preferred
• · Experience with data modelling and experience with relational databases like MySQL, SQL Server or Oracle is desirable
• · Mobile application development experience on Android or iOS is desirable