
Responsibilities:
● Design and build scalable APIs and microservices in Node.js (or equivalent backend frameworks).
● Develop and optimize high-performance systems handling large-scale data and concurrent users.
● Ensure system security, reliability, and fault tolerance.
● Collaborate closely with product managers, designers, and frontend engineers for seamless delivery.
● Write clean, maintainable, and well-documented code with a focus on best practices.
● Contribute to architectural decisions, technology choices, and overall system design.
● Monitor, debug, and continuously improve backend performance.
● Stay updated with modern backend technologies and bring innovation into the product.
Desired Qualifications & Skillset:
● 2+ years of professional backend development experience.
● Proficiency with Node.js, Express.js, or similar frameworks.
● Strong knowledge of web application architecture, databases (SQL/NoSQL), and caching strategies.
● Experience with cloud platforms (AWS/GCP/Azure), CI/CD pipelines, and containerization (Docker/Kubernetes) is a plus.
● Ability to break down complex problems into scalable solutions.
● Strong logical aptitude, quick learning ability, and a proactive mindset

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Core skills:
• Strong problem-solving abilities
• Proficiency in data structures, algorithms, and coding
• Expertise in low-level design and high-level design
• Competence in SQL and NoSQL databases
• Capability to conduct code and design reviews
• Proficiency in computer science fundamentals
• Knowledge of deployment and production environments
Core Experience:
• 3+ years of hands-on development experience with a focus on coding and deployment.
• Demonstrated strong problem-solving skills with about 3+ years of
practical experience in implementing algorithms.
• Good experience in managing both SQL and NoSQL databases
• 3+ years of experience in low-level and high-level design, along with
engagement in code reviews and a solid understanding of computer
science fundamentals
• Good experience in Java and Spring boot
Company Overview:
OLOID is a leading provider of physical identity and access technology committed to enabling converged cyber and physical security for the modern workplace. Dedicated to ensuring secure and privacy-forward authentication, OLOID’s objective is to establish a framework that connects and manages workplace security by integrating with HR, IT, and various records systems, unifying cyber and physical identities across the organization.
Job Summary
We are seeking a highly skilled and experienced Senior Node.js Developer to join our development team. The ideal candidate will have a strong background in software engineering with a focus on JavaScript, Node.js, and modern web technologies. You will play a key role in building scalable backend services, integrating APIs, and contributing to full-stack development using frameworks like ReactJS.
Key Responsibilities
· Design, develop, and maintain robust backend services using Node.js
· Collaborate with front-end developers to integrate user-facing elements with server-side logic
· Develop and consume RESTful APIs for various services
· Write clean, maintainable, and secure code following best practices
· Troubleshoot, debug, and optimize application performance
· Implement authentication and authorization mechanisms where needed
· Contribute to code reviews and technical discussions
· Maintain and monitor applications on Linux-based environments
Required Qualifications
· Bachelor’s or Master’s degree in Computer Science or a related field
· Minimum 8 years of professional programming experience
· At least 3 years of hands-on experience with Node.js development
· Strong knowledge of JavaScript, particularly in browser-based frameworks such as ReactJS and Redux
· Experience with Node.js frameworks such as Express or Hapi (preferred)
· Solid understanding of asynchronous programming and its patterns
· Skilled in troubleshooting and debugging complex applications
· Familiarity with Linux environments
· Proficiency in working with RESTful APIs and API integration
Responsibilities:
- Build and maintain REST APIs
- Proficient in Python or any other programming language
- Experience in writing Unit/Integration tests.
- Experience with Distributed Version Control System.
- Elasticsearch or Solr experience.
- NOSQL experience- Cassandra, MongoDB.
- Experience in Message brokers - Rabbitmq.
- Experience with AWS Infrastructure, Lambda, Docker/Containers
Desired to have:
- Should be pragmatic and realize when a solution is over-engineered as well as knowing when to spend time on creating the right abstraction that allows us to move faster in the long run.
- Passion for your work and striving to do things “the right way”.
- Familiarity with Agile/Lean process.
- Willingness to work in a Startup environment.
- Excellent debugging and optimization skills.
- Knowledge of emerging technologies and a solid understanding of the full product development life cycle.
- Excellent knowledge of mobile user experience, information architecture and trends
ob Description:
We are looking for Tech geeks having hands-on experience and in love with building scalable, distributed and large web/mobile products and tech solutions. He/She must be an excellent problem solver with passion to self-learn and implement web technologies (frontend + backend). He/She would be responsible for the architecture design, code review, and technology build and deployment activities of the product.
Responsibilities:-
- Own the product development from scratch.
- Architect scalable, distributed and large-scale web and mobile solutions from scratch.
- Code for fresh development and to troubleshoot and resolve issues.
- Writing reusable, testable, and efficient code.
- Creating database schemas that represent and support business processes.
- Design and implementation of low-latency, high-availability, and performant applications.
- Able to learn & implement new technology/framework/library at God Speed.
- Customer-focused, react well to changes, work with teams and be able to multitask.
- Experience and knowledge of open-source tools and frameworks, broader cutting edge technologies around server side development.
Desired Candidate Profile:-
- A Bachelor's degree in Computer Science or related field(or combined with related experience)
- Strong Expertise in Node.js/Javascript
- Hands-on experience in writing Node.js applications
- Deep knowledge of Restful APIs, Web Services, command-line programs and solid design principles.
- Knowledge of Node.js and frameworks like Express.js,Sails.js,StrongLoop, Meteor,Loopback.js, etc
- Knowledge of SQL and NoSQL database(MongoDB)
- Knowledge of tools like Docker, Git, Postman, JSdocs, etc.
- Well versed with front-end technologies - HTML5, and CSS3, AWS, GCP, Azure, Good hold on CLI command, OS
- Proficiency in multiple programming languages, both dynamic(Javascript, Python, Ruby, etc.) and strongly typed object-oriented language.
- Implementing automated testing platforms and unit tests.
- Must be a proven performer and team player that enjoys challenging assignments in a high energy, fast growing and start-up workplace.
- Good communication and interpersonal skills.
Skills:
- Expertise in Python 3 on AWS serverless
- Experience in AWS serverless stack Appsync, Lambda, Cognito, API Gateway, DynamoDB, Elasticsearch, SQS, S3, Code commit & Code Deploy.
- Proficient in modern microservice-based architectures and methodologies.
- Experience in a database technology, preferably No-SQL such as AWS DynamoDB.
- Build human-centric UX with us using technologies like React, TypeScript, GraphQL, and CSS-in-JS.
- Experience building data processing pipelines (SQS, Kinesis, DynamoDB, AWS Lambda, or similar)
- Deep technical hands-on experience developing in REST/JSON or SOAP/XML, combined with strong knowledge of concepts such as CORs (Cross Origins Resources), headers, security, JSON and http concept.
- Experience with Github and advanced Github features (good to have).
- Must have worked as a part of Agile Teams and DevOps practices such as continuous Integration tools (e.g. Jenkins), code repository, creating CI/CD pipelines is required.
▪ Highly focused individual with a self-driven attitude
▪ Advanced speaking and writing skills for effective communication
▪ Ability to work in cross-functional teams demonstrating a high level of commitment and coordination
▪ Attention to details and commitment to accuracy for the desired deliverable
▪ Should demonstrate and develop a sense of ownership towards the assigned task
▪ Ability to write reusable, testable, and efficient code
▪ Ensuring step-by-step deliverables are met as part of product development
▪ Ability to take up quick objectives and execute them within a short period
▪ Ability to keep sensitive business information confidential
▪ Contribute, positively and extensively towards building the organizational reputation, brand and operational excellence
Background Of The Candidate
▪ 4-8 years of experience as a Python Developer
▪ Hands-on knowledge of Django with Postgres SQL and web scrapping is a must
▪ Strong knowledge of OOPS and Python is a must
▪ Knowledge of design/architectural patterns will be considered a plus
▪ Experience with code versioning tools, such as Git / Mercurial / SVN
▪ Experience working in an agile development environment with a strong focus on rapid software development
▪ Comfortable with working in Unix/Linux, AWS, Azure and similar cloud technologies
▪ Excellent troubleshooting and debugging skills
▪ Strong communication skills to collaborate with designers, developers, and other relevant staff members or clients
▪ Proven ability to complete the assigned task according to the outlined scope and timeline
▪ Graduate or Post-graduate from a reputed college or university
Requirements:
- 3+ years of full stack development for high volume mobile applications.
- Strong experience in popular Node.js, Express. JS, React. JS, React Native and npm modules.
- Strong experience in JavaScript development.
- Experience with building RESTful services.
- Experience on working on the MicroService based Architecture
- Ability to architect complex web applications using frameworks and APIs.
- Experience in designing the HTML pages using React. JS.
- Good understanding of Design Patterns. Good analytical & debugging skills.
- Experience with NOSQL DB & tools such as MongoDB, Redis, Cassandra and Kafka.
- Experienced backend developer with extensive work on nodejs and backbonejs along with good English spoken language.
- Develop new user-facing features
- Build structured, reusable code and libraries for future use
- Optimize applications for maximum speed and scalability
- Maintain, contribute and adhere to our programming best practices and guidelines
- Advanced understanding of emerging web technologies
Key Functions & Roles of the Candidate:
- Would be part of core technical team and will be updating the product with new and challenging tasks
- Good understanding of the concepts behind models, collections, and views
- Familiarity with input validation techniques and approaches
- Ability to perform in a fast-paced, deadline-driven environment
- Enthusiasm for innovation in the tech industry, including continuous learning and improvement
Specific Skill Set:
- Salesforce Implementation or Knowledge
- Node.js, MongoDB, Heroku API
- API and NODE.JS is a must
What is the role?
You will be focusing on development of all server-side logic, definition, and maintenance of the central database. With your expertise in Node.js and as a full stack developer you will be managing the interchange of data between the server and the users.
Key Responsibilities
- Design and develop SaaS-based applications based on microservices architecture
- Driving innovations in the platform constantly
- Estimate efforts, identify risks, devices and meets project schedules
- Mentors/coaches engineers and provide technical leadership
What are we looking for?
An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.
- BS/MS in Computer Science or equivalent.
- 3-6 years of strong design/development experience in building massively large-scale distributed internet systems and products
- Strong understanding of DevOps tasks, CI/CD
- Excellent communication and interpersonal skills
- Have keen eye to detail
- Displayed effectiveness in being a team player, have a proven track record of performance
- Enjoys working on challenging assignments and is result oriented
- Self-starter, self-motivated and work with minimal supervision
- Agile and display flexibility in swiftly adapting to change in work requirement
Strong proficiency in –
- JavaScript, Node.js and frameworks available for it
- Code versioning tools, such as Git
- NoSQL and RDBMS systems
- Push-pull systems like Kafka, Redis
- Data structures & algorithms skills
Good to have experience –
- Programming languages like Python, Golang, ReactJs
Be familiar with –
- Designing highly available solutions, fault-tolerant systems, microservices architecture, REST APIs for on-premises, cloud (Google Cloud Platform or Amazon Web Services or Microsoft Azure), or hybrid infrastructure.
- Modern container technologies such as Docker, Kubernetes
- Server-side templating languages such as Jade, EJS etc
- Open source software, frameworks, and broader cutting-edge technologies
Whom will you work with?
You will closely work with the engineering team and support the Product Team of Plum.
What can you look for?
A wholesome opportunity in a fast paced environment that will enable you to juggle between concepts, interact and share your ideas and have loads of learning while at work. This role will help you learn what and how ledgers work in a high volume traffic system. Will learn microservice for a high availability system. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
A fast growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Xoxoday works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.
Way forward
We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.











