
About Root Node
We’re an early-stage startup building intelligent tools for planning, scheduling, and optimization—starting with timetabling and warehouse logistics. Backed by deep domain expertise and a growing customer pipeline, we’re now building our core tech team. This is not just a coding job — it's a chance to build something meaningful from the ground up.
About the job
- Design and implement robust backend systems and APIs using Java or similar backend language and Spring Boot or equivalent frameworks
- Integrate backend services with existing custom ERP systems
- Work closely with the founder on product architecture, feature prioritization, and go-to-market feedback
- Take full ownership of features — from system design and development to deployment and iterative improvements
- Help shape our engineering culture and technical foundations
You're a Great Fit If You:
- Have 3+ years of experience in backend development
- Are strong in Java or similar languages (e.g., Kotlin, Go, Node.js)
- Have solid experience with Spring Boot or equivalent backend frameworks
- Have integrated with ERP or enterprise systems in production environments
- Are comfortable with both SQL (PostgreSQL) and NoSQL (MongoDB)
- Understand REST API development, authentication, Docker
- Have an entrepreneurial mindset — you're excited about ownership, ambiguity, and making decisions that shape the product and company
- Want more than just a job — you want to build, solve, and learn rapidly
What We Offer
- Competitive salary
- High degree of ownership and autonomy
- Ability to shape the tech and product direction from Day 1
- Transparent and fast decision-making culture
- A builder’s environment — solve real-world problems with real impact

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Hey there! We are seeking a highly skilled and passionate Ruby on Rails developer to join our team. As a key member of our development team, you will be responsible for enhancing our product offerings and ensuring smooth operations and scalability of our existing infrastructure. If you have a strong foundation in RoR development, possess a knack for writing clean code, and are excited about building and scaling innovative products, we would love to hear from you.
To provide you with a brief overview of the job role, we are sharing the specific requirements that we expect from you. Please have a look:
Requirements:
- Proven experience working as a Ruby on Rails developer in a production environment.
- Strong knowledge of Ruby, Ruby on Rails framework, and PostgreSQL.
- Extensive experience with hosting and maintaining production applications on AWS, Google Cloud Platform (GCP) services.
- Solid understanding of real-time communication and experience with socket programming.
- Experience in implementing AI in real-world applications is a solid plus.
- Experience in front-end technologies, particularly Vue.js would be a plus
- Strong problem-solving skills and ability to analyze and debug complex issues.
- Experience leading a development team or mentoring junior developers.
- Excellent communication and collaboration skills, with the ability to work effectively in a team-oriented environment.
- Self-motivated and able to work independently with minimal supervision.
Responsibilities:
- Collaborate with cross-functional teams to understand business requirements and translate them into technical solutions.
- Architect and implement scalable solutions using RoR, PostgreSQL, and AWS.
- Develop and maintain APIs, web services, and integrations with various third-party systems.
- Lead and collaborate with a team of developers to design, develop, and maintain high-quality scalable applications.
- Recruit and provide technical leadership and guidance to developers.
- Optimise and ensure the reliability of the backend infrastructure.
- Optimise application performance and ensure the scalability and security of the software.
- Stay up-to-date and passionate about the latest technologies, trends, and best practices in software development.
- Optimize the monthly spending on cloud infrastructure.
About Foaps:
We are an innovative startup empowering restaurants to excel in the online food delivery business. Our platform aggregates all online food delivery orders into a single consolidated dashboard, improving the efficiency of order management and aiding restaurant growth. With a strong presence in the Indian market and partnerships with major delivery services like Zomato, Swiggy, Dunzo, Thrive, and magicpin, we are making a significant impact in the restaurant industry. Backed by flat6labs Bahrain, our mission is to revolutionize how restaurants conduct their online food delivery business.
For more details visit our website www.foaps.co
Why Join Foaps?:
At Foaps, we offer compelling reasons for you to join our team:
- Collaborate directly with the founders: As a part of our team, you'll have the opportunity to work closely with the founders and actively participate in the decision-making processes of our early-stage startup. Your contributions will have a direct impact on shaping the direction and success of our business.
- Stock options: We believe in recognizing and rewarding the hard work and dedication of our team members. As a valued team member, you will be eligible for stock options based on your performance and contributions. This allows you to share in the growth and success of the company.
- Performance-based salary increments: We value your efforts and believe in fostering a culture of growth. Individuals’ performance, dedication, contribution, and achievements will be acknowledged and rewarded accordingly.
- Team-oriented environment: At Foaps, we prioritize collaboration and teamwork. Our company culture is not based on hierarchy but rather on creating an environment that fits the needs and strengths of our team. We foster a supportive and inclusive atmosphere where everyone's voice is heard and contributions are valued.
- Make a difference in the Restaurant industry: Foaps is revolutionizing the online food delivery business, making it easier for restaurants to do online delivery business. By joining our team, you'll have the opportunity to contribute to this transformation and play a vital role in shaping the future of the restaurant industry.
Interested? Join us and become a vital part of our startup journey. Together, we'll build an exciting future and make a real impact.


At F5, we strive to bring a better digital world to life. Our teams empower organizations across the globe to create, secure, and run applications that enhance how we experience our evolving digital world. We are passionate about cybersecurity, from protecting consumers from fraud to enabling companies to focus on innovation.
Everything we do centers around people. That means we obsess over how to make the lives of our customers, and their customers, better. And it means we prioritize a diverse F5 community where each individual can thrive.
F5, Inc. is seeking a Software Engineer III with experience in building highly available and highly scalable services on public cloud like AWS, Azure and GCP. In this role you will help develop networking and security technologies as a service (SaaS) to solve customers’ multi-cloud problem. You will be part of Cloud Orchestration team working on F5 Distributed Cloud platform.
Primary Responsibilities
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Design and development of highly available and highly scalable services using public cloud and F5 Distributed Cloud services.
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Understand product requirements related to multi-cloud and propose solutions.
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Follow software development lifecycle for feature development i.e., design, develop, test and support the features
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Creating prototypes to validate use cases and get feedback from product team and architects.
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Work cohesively with geographically distributed team
Knowledge, Skills and Abilities
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Experience in designing and implementing solutions for services in public cloud
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Experience in developing software in a SaaS environment
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Extensive hands-on experience in using Infrastructure as code (IsC) tools like terraform (preferred), cloud formation etc
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Extensive hands-on experience in programming languages such as Golang(preferred), python, Java, Rust
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Solid understanding of AWS VPC Networking Services like Transit Gateway, Virtual Private Gateway, Direct Connect, Gateway Load balancer, Private link etc.
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Solid understanding of Azure Networking Services like Virtual Network (Vnet), Express route, Azure load balancers etc
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Solid understanding of GCP networking services
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Good understanding and experience in L2 to L7 networking protocols including but not limited to Ethernet, TCP/IP, VLAN, BGP, HTTP
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Good understanding of container technologies such as Docker, Kubernetes etc.,
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Working knowledge of CI/CD tools like GitLab, Argo
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Ability to implement all phases of a development cycle for a software product from understanding requirements, going through design, development and deploy phases
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Self-motivated and willing to delve into new areas and take on new challenges in a proactive manner
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Excellent written and verbal communication skills.
Qualifications
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Minimum of 5 years of related experience with a Bachelor's degree in Computer Science/related field
document, build, and deploy RESTful JSON APIs with continuous uptime and minimal latency.
Roles and Responsibilities:
-Building API services using NodeJS Express and related frameworks
Expert level understanding of NodeJS asynchronous runtime
Expert level understanding of Javascript concepts on callbacks and closures
Experience with Postgres, NoSQL, Redis, and Firebase Realtime database
Experience with AWS services like Elastic Beanstalk, Cloudfront, S3, EC2, Lambda,
API Gateway, SQS, etc
Understanding of patterns and techniques for building scalable back-end
infrastructure including caching, rate limiting, authentication, and authorization
schemes.
Experience in building highly scalable and high throughput services with
millisecond response times
Experience working in a collaborative team environment
Excellent communication & interpersonal skills
Willingness to learn and pick up new technology along with patience to mentor.
NOTE- Candidates only from PRODUCT BASED companies will be preferred. Location is Mumbai and its Work from Office.

TeamExtn is looking for a passionate Senior Scala Engineer. It will be expected from you to build pragmatic solutions on mission-critical initiatives. If you know your stuff, see the beauty in code, have knowledge in depth and breadth, advocate best practices, and love to work with distributed systems, then this is an ideal position for you.
As a core member of our Special Projects team, you will work on various new projects in a startup-like environment. These projects may include such things as building new APIs (REST/GraphQL/gRPC) for new products, integrating new products with core Carvana services, building highly scalable back end processing systems in Scala and integrating with systems backed by Machine Learning. You will use cutting edge functional Scala libraries such as ZIO. You will have the opportunity to work closely with our Product, Experience and Software Engineering teams to deliver impact.
Responsibilities:
- Build highly scalable APIs and back end processing systems for new products
- Contribute in the full software development lifecycle from design and development to testing and operating in production
- Communicate effectively with engineers, product managers and data scientists
- Drive scalability and performance within our distributed AI platform
- Full software development lifecycle from design and development to testing and operating in production
- Communicate effectively with engineers, product managers and data scientists
Skills And Experience:
- 4+ years experience with Scala or other functional language
- Experience with Akka and Lightbend stack
- Expert with PostgreSQL, MySQL or MS SQL
- Experience in architecting, developing, deploying and operating large scale distributed systems and actor systems
- Experience with cloud APIs (e.g., GCP, AWS, Azure)
- Messaging systems such as GCP Pub/Sub, RabbitMQ, Kafka
- Strong foundation in algorithms and data structures and their real-world use cases.
- Solid understanding of computer systems and networks
- Production quality coding standards and patterns
BONUS SKILLS:
- Experience with functional programming in Scala
- Knowledge of ZIO and related ecosystem
- Experience with functional database libraries in Scala (Quill preferred)
Our Interview Process:
Our interview involves 3 steps.
1. Code Evaluation - In this step we send you a simple assignment that you implement
2. First Technical Round - In this technical round we evaulate you on your skills, concepts and knowledge in Scala.
3. Second Technical Round - If the first round goes well we check how hands you are with Scala and have online problem solving session.

Reporting to: Solution Architect / Program Manager / COE Head
Location: Noida, Delhi NCR
Shift: Normal Day shift with some overlap with US timezones
Experience: 4-7 years
Education: BTech / BE / MCA / MSc Computer Science
Industry: Product Engineering Services or Enterprise Software Companies
Primary Skills - Java 8/9, Core Java, Design patterns (more than Singleton & Factory),
Webservices development REST/SOAP, XML & JSON manipulation, CI/CD.
Secondary Skills - Jenkins, Kubernetes, Google Cloud Platform (GCP), SAP JCo library
Certifications (Optional): OCPJP (the Oracle Certified Professional Java Programmer) / Google
Professional Cloud Developer
Required Experience:
● Must have integration component development experience using Java 8/9 technologies
and service-oriented architecture (SOA)
● Must have in-depth knowledge of design patterns and integration architecture
● Experience with developing solutions on Google Cloud Platform will be an added
advantage.
● Should have good hands-on experience with Software Engineering tools viz. Eclipse,
NetBeans, JIRA, Confluence, BitBucket, SVN etc.
● Should be very well verse with current technology trends in IT Solutions e.g. Cloud
Platform Development, DevOps, Low Code solutions, Intelligent Automation
Good to Have:
● Experience of developing 3-4 integration adapters/connectors for enterprise applications
(ERP, CRM, HCM, SCM, Billing etc.) using industry standard frameworks and
methodologies following Agile/Scrum
Non-Technical/ Behavioral competencies required:
● Must have worked with US/Europe based clients in onsite/offshore delivery model
● Should have very good verbal and written communication, technical articulation, listening
and presentation skills
● Should have proven analytical and problem solving skills
● Should have demonstrated effective task prioritization, time management and
internal/external stakeholder management skills
● Should be a quick learner, self starter, go-getter and team player
● Should have experience of working under stringent deadlines in a Matrix organization
structure
● Should have demonstrated appreciable Organizational Citizenship Behavior (OCB) in
past organizations
Job Responsibilities:
● Writing the design specifications and user stories for the functionalities assigned.
● Develop assigned components / classes and assist QA team in writing the test cases
● Create and maintain coding best practices and do peer code / solution reviews
● Participate in Daily Scrum calls, Scrum Planning, Retro and Demos meetings
● Bring out technical/design/architectural challenges/risks during execution, develop action
plan for mitigation and aversion of identified risks
● Comply with development processes, documentation templates and tools prescribed by
CloudSufi or and its clients
● Work with other teams and Architects in the organization and assist them on technical
Issues/Demos/POCs and proposal writing for prospective clients
● Contribute towards the creation of knowledge repository, reusable assets/solution
accelerators and IPs
● Provide feedback to junior developers and be a coach and mentor for them
● Provide training sessions on the latest technologies and topics to others employees in
the organization
● Participate in organization development activities time to time - Interviews,
CSR/Employee engagement activities, participation in business events/conferences,
implementation of new policies, systems and procedures as decided by Management team.

Candidate should have atleast 4 years of relative experience in PHP
Candidate should be able to explain the work done in the Past
Candidate should be good in logical implementations
Candidate should be good in Communication and work approach
Candidate should have good solution oriented approach
Candidate worked with premium Institution or premium product/app will be a great plus
Technical Skills
1.Proficient knowledge of language PHP and JavaScript - Must have
2.MVC Framework like codeigniter/laravel is mandate - Must have
3.Good understanding of advanced JavaScript libraries - Must have
4.Database: Mysql Database Design, DB Query Knowledge, Development and improvements - Must have
5.Candidate should be good in writing optimized DB Queries and should know how to write effective DB Queries. - Must have
6.Good experience on dealing with JSON/REST API and Web Services.
7.Good understanding and experience of code versioning tools such as Git.
8.Proficient in Linux OS and Candidate should be able to work independently
9.Caching : Redis(optional)
10.No-sql database :Mongodb(optional)
Other Norms
- Candidate should have good machines/laptop to work.
- Candidate should have good internet connection at their work place

About Dunzo
Not that long ago, we were on whatsapp with a handful of customers, many of whom were friends and family, getting you anything you needed - groceries, food, even sending packages to anywhere in Bangalore. Today, we’re an app covering Bangalore, Pune and Gurgaon, Hyderabad and Delhi. Dunzo is a technology company, that makes local deliveries fast and easy - whether it’s that quick run from your local store, or getting you that book that is available only in one store far away from you or even organizing your entire party!
We were recently voted #3 on LinkedIn’s Top Startups in India and here’s why. The Dunzo team gets an on ground opportunity to shape a product for users across cities. You are shaping cities you’ve grown up in - by making them more accessible than before through the use of technology. We’re solving an extremely tough problem, and we seek the best of minds who are great at problem-solving, passionate and willing to go the extra mile!
About The Team
As a team, we believe that the best idea wins - no matter where the idea comes from. We tackle problems that have existed for years - through technology and data. You'll be joining a vibrant, young team who are passionate about giving our users time back, provide flexible earning opportunities for our Partners and enhance local businesses.
Job Description
Must Haves :
- Proficient in algorithms and data structures.
- Having strong experience in designing data intensive and scalable systems.
- Comfortable with microservices based architecture.
- Knowledge of software engineering processes and unit testing.
- Past experience of mentoring a team of at least two people.
- Prior experience with both relational and non-relational databases.
- Prior experience with caching.
- Ability to debug and hotfix a problem with production in a swift amount of time.
- Communication skills.
Please let me know if you are interested.

- Excellent problem-solving & analytical skills & OO principles
- Solid understanding of the data structure & algorithms.
- Very good experience with PHP programming language
- Hands on experience working on Laravel. Experience with any other framework would be nice to have
- Troubleshooting skills to reproduce & resolve issues in production systems
- Experience working with git & also following following git workflow
- Experience with deployment on server would be nice to have
- Working experience with AWS services like s3, lama, cognito, would be added advantage

