

Position Title: Lead Software Engineer
Level: Mid - Senior L5
Years: 6-8 Yrs
Job Location: Delhi/NCR (Hybrid)
Position: 1
About Omni.US
Omni is the ultimate B2B outreach platform backed by the decade-long expertise of co-founders in cold outreach and scaling SaaS companies. We've obsessively focused on cold outreach and built a powerful tool perfect for Enterprise and SMB companies to get clients. Our team has deep experience building and scaling B2B SaaS companies to millions in ARR. We understand what it takes to create a successful product, so we're excited about Omni.
Meet your Team Members
Alex Berman, Co-Founder
Navjyotsingh Rajput, Co-Founder
Madhuri Pandit, Product Owner
About the Role
As a Lead Engineer, you will need to produce and implement functional software solutions. You will work with a senior engineer to define software requirements and take the lead on operational and technical projects. In this role, you should be able to work with minimal supervision. Your goal will be to develop high-quality software that is aligned with customer needs and business goals.
Responsibilities
- You will need to ensure that software deliverables comply with quality standards and are completed on time.
- Experience or proactive working in mission-critical 24*7 systems.
- Review the performance of the operating system used in the Company and upgrade it as and when required.
- Conducts peer code reviews and design reviews.
- Should have knowledge and experience working with SAAS-based applications in early or mid-stage startups.
- Undertaking engineering tasks that are complex in nature and also working on big modules and defining the architectural layouts, both on the Application, API, and Database levels.
- Demonstrates broad and deep expertise in multiple computer languages and frameworks (e.g., open-source).
- Designs, Develop and approve end-to-end functionality of a product line, platform, or infrastructure.
- 3+ Years of experience as Technical Lead.
- 6+ years of software development experience with at least one full-cycle implementation.
- Strong exposure working on projects related to MERN stack. Maintains deep technical knowledge within areas of expertise
- Experience in building highly scalable distributed systems
Desired Experience
Technical Skills:
- Programming and working with mobile or website systems & security principles.
- Strong experience in Tech Stack - MERN (Node.JS, Express, React.JS, Mongodb) with GraphQl as preferred API.
- Experience working in Product lifecycle management from requirement gatherings to user experience.
- Strong experience in JS libraries.
- Must have delivered at least 1 product (which should be available in the public domain for reference)
Soft Skills:
- Creating end goals for their team.
- Experience in a delegation of responsibilities.
- Can multitask and Should have experience managing/working with a team of 5- 10 resources.
- Offering support and guidance to the team when needed, able to provide clear instructions and set expectations.
- Prior experience working with Startups and Senior developers or Tech leads.
Interview Process
- 1st Round - Technical
- 2nd Round - Product Manager
- 3rd Round - Manager
- 3rd Round - HR Manager
Qualifications
- BE/BTech/MCA/ME/MTech-E&C/IT/CS or equivalent experience.

About FirstPrinciples
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About Us:
We are a cutting-edge startup reshaping the construction management landscape with AI-driven solutions that simplify complex processes and maximise efficiency. Our platform leverages the latest web and mobile technologies to solve real-world challenges for the construction industry, blending innovation with usability. If you're passionate about building scalable systems and love solving problems, we want you on board!
Who You Are:
A tech enthusiast with a knack for both front-end finesse and back-end brilliance. You’re eager to dive into code and bring ideas to life. You think in Angular components, dream in Node.js APIs, and are equally comfortable navigating MongoDB queries as you are crafting mobile interfaces with React Native or Flutter. You thrive in a fast-paced startup environment and have a passion for building things from scratch, continuously optimising for performance, and ensuring scalability.
What You’ll Do:
- Full-stack Magic: Craft seamless, intuitive UIs with Angular and powerful, RESTful backend services using Node.js and MongoDB.
- End-to-End Development: Own features from brainstorming to deployment—handling everything from database architecture to front-end performance.
- Optimise and Scale: Ensure that our platform is high-performing, scalable, and future-proof. You’ll be part of laying the groundwork for big, exciting growth.
- Collaborate & Conquer: Work closely with our design, product, and AI teams to integrate machine learning and automation features into our platform, pushing the boundaries of what tech can do in construction.
Tech Stack:
- Frontend: Angular for web
- Backend: Node.js, Express, NestJS
- Database: MongoDB
- Cloud & DevOps: AWS, Docker, CI/CD pipelines
What You Bring:
- Angular wizardry—you know your way around components, services, and everything in between.
- Node.js expertise—you can build robust, scalable APIs and thrive in an asynchronous environment.
- React Native/Flutter mobile skills—a passion for crafting intuitive mobile experiences. (Good to have, but not mandatory)
- MongoDB knowledge—you understand database design, indexing, and aggregation pipelines.
- Code Quality Focus—whether it's writing tests or reviewing pull requests, you're all about clean, maintainable code.
- Experience with Git, CI/CD, and working in an agile, fast-paced team.
Bonus Points For:
- Experience in AI/ML integrations or a curiosity about machine learning’s potential in web and mobile apps.
- Familiarity with GraphQL and modern state management libraries.
- Experience with Microservices
Why Work With Us:
- Impact: Be part of a mission-driven startup solving real-world problems in a trillion-dollar industry.
- Innovation: Collaborate with a forward-thinking team to build AI-powered, scalable tools from the ground up.
- Growth: We’re a fast-growing startup, so your career can skyrocket here. Bring your ideas, and we’ll give you the space to make them happen.
- Culture: A collaborative, tech-driven, and fun work environment that values creativity, ownership, and growth.


We are looking for a Full Stack Engineer for a client of ours, that is headquartered in USA and is operating in the field of health tech space, offering an innovative solution for dominate health issues. The company is well funded and backed by investors like Sequoia Capital.
They are looking for people who are interested to join their company and help them make an impact on their product development and growth.
In this role you will be part of the Product Engineering Team, and will be responsible for working with cross functional teams.
Experience Required
5+ years experience, having worked on both frontend and backend development - hands on development experience from front end, middle tier and back end.
3+ years of experience building Restful web service using node.js
3+ years of experience for writing batch/cron jobs using Python and shell scripting
3+ years of experience in web application development using javascript and ReactJs
Have understanding of javascript, Typescript, HTML, CSS, JSON, Rest based applications
Experience in database techs - mongodb, mysql, redis, elastic search
Experience of building applications deployed on the cloud using AWS, Docker and kubernetes
Good to have : - understanding of code versioning tools like Git
Experience or understanding of JS based build tools like Grunt, Gulp, Bower, Webpack and NPM
Good communication, willingness to work in a diverse team, and a fast paced environment would be a requirement to be successful in this role.
Education Experience
Degree in Computer science would be preferred / equivalent professional experience in product companies.
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


Role: Sr Full Stack SW Developer
Location: Okhla, New Delhi
Experience: Minimum: 7 Years
In this role, the person will be responsible for developing and implementing solutions using React.js, Node Js, JSX, Expressand MySQL concepts, and workflows such as Redux, Flux, and Webpack. The candidate will also be responsible for profiling and improving front-end & back-end performance and documenting our codebase. A top-class React.js Developer should be able to design and build modern user interface components to enhance application performance.
Responsibilities
- Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, React, Redux, JavaScript, TypeScript, Node.js, Express, JSX, and MySQL.
- Creating RESTful services with Node.js & MySQL.
- AWS (Amazon Web Services) development & services like EC2, CloudFront, S3, load balancer, etc.
- Architect scalable web architectures.
- Work in a cross-functional team to deliver a complete user experience.
- Create Unit and Integration tests to ensure the quality of code.
- Be responsive to change requests and feature requests.
- Mentor junior members of the team*
- Managing & Integrating Amazon Web Services*
- Managing 3rd party software tools & subscriptions*
Requirements
- Detail-oriented experience as a Full Stack Developer/Lead creating React, Redux, Node js and (RDBMS) MySQL-based solutions.
- Ability to work both independently and in collaborative teams to communicate design and build ideas effectively.
- Fluent knowledge of the latest HTML/CSS, JavaScript & Typescript standards, and best practices.
- Strong hands-on of Node.js, Express server, and RESTful web APIs.
- Strong Hadson of MySQL or any other SQL-based RDBMS.
- Strong Hands-on in integrating AWS services into the application. AWS developer certificate will be a plus but not mandatory.
- Solid understanding of HTTP protocol and how server-side code is processed on the client.
- Working knowledge of front-end optimization and performance techniques.
- Obsession with lean, clean, and organized front-end code.
- Cross-browser development and troubleshooting.
- Experience building Responsive websites for web, tablet, and mobile devices.
- Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation.


Full Stack Developer Responsibilities:
- Developing front end website architecture.
- Designing user interactions on web pages.
- Developing back-end website applications.
- Creating servers and databases for functionality.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Working alongside graphic designers for web design features.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
Requirements
- Degree in computer science.
- Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
- Strong organizational and project management skills.
- Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks
- Familiarity with database technology such as MySQL, Oracle, and MongoDB.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail.


1) Understand client requirements and functionalities.
2) Write well-designed, testable, efficient code.
3) Responsible for solving complex technical issues.
4) Ensure quality projects are delivered within defined timelines.
5) Active involvement in client communication to understand functional requirements.
6) Maintain high standards of quality for code, documentation and other deliverables
Required Skills
1) Experience in Angular with lates version
2) Hand on experience Node.JS./Express JS
3) Database: MYSQL/MongoDB
4) Experience in JavaScript, Typescript.
5)Good experience in , JavaScript, Jquery
6) Experience working in an Agile environment.
7) Good communication skills


What is the role?
You will be responsible for architecting and developing features on the application end to end. You will be working closely with the Product Managers and the Technical architect to come up with high-quality, resilient, and highly performant applications.
Key Responsibilities
- Design and develop SaaS-based applications based on microservices architecture.
- Work on the core backend and ensure it meets the performance benchmarks.
- Work on the front end with ReactJS.
- Designing and developing APIs for the front end to consume.
- Constantly improve the architecture of the application by clearing the technical backlog.
- Meeting both technical and consumer needs.
- Staying abreast of developments in web applications and programming languages.
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 them. We are open to promising candidates who are passionate about their work and are team players.
- Education - BE/MCA or equivalent.
- Overall 4+ years of experience.
- Agnostic/Polyglot with multiple tech stacks.
- Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
- Good experience with Front-end technologies like JavaScript frameworks, ReactJS, and AngularJS.
- Backend exposure – good knowledge of building API.
- Worked on serverless technologies.
- Efficient in building microservices in combining server & front-end.
- Knowledge of cloud architecture.
- Should have sound working experience with relational and columnar DB.
- Should be innovative and communicative in approach.
- Will be responsible for functional/technical track of a project.
Who 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, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at Xoxoday.
We are
Xoxoday is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Xoxoday offers a suite of three products - Plum, Empuls, and Compass. Xoxoday works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, Xoxoday is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.
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.

experienced in designing and building web-based SaaS applications
Ability to program in NodeJS and AngularJS.
should have excellent debugging skills
Proven Expertise in HTML5, CSS, Angular 4+, ngrx (store) & Typescript, NodeJS, npm, bootstrap, javascript libraries (jQuery, lodash, moment js ...)
Very strong knowledge of object-oriented concepts & design patterns
Good working exposure with REST API
Highly effective and thrive in a dynamic environment with multiple, changing priorities
Critical thinker and good problem-solver



Required Nodejs,Mongodb,java,reatjs, Java,Spring


