MERN Stack Developer

Delivery Solutions is a Retail eCommerce OXM Platform that provides retailers with out-of-the-box solutions to power Same-Day Delivery, Curbside, In-Store Pickup, Shipping, and Post Purchase experiences. We are trusted with some of the biggest names in multiple verticals of retail like Sephora, AT&T, Footlocker, Michael's, Office Depot, GameStop, Total Wine, Sally Beauty, Abercrombie & Fitch Co. Belk, Loblaw, Vineyard Vines etc.

Our SAAS-based solution is highly flexible and interacts seamlessly with E-commerce properties, OMS, WMS, and POS systems for a highly scalable experience and a delighted customer base.

Delivery Solutions is a wholly-owned subsidiary of UPS | We are a certified Great Places To Work Company

Role: Senior Software Engineer - MEAN Stack

Reports to: Team Lead

Division/Department: Product

Work Location: India - Remote / Pune

We are seeking highly skilled and experienced Senior Software Engineers to join our SaaS company. As a Senior Software Engineer, you will play a pivotal role in the development and enhancement of our cutting-edge software products. You will work closely with cross-functional teams to design, develop, and deploy scalable software solutions using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and related technologies.

Responsibilities:

• Collaborate with product managers, designers, and other stakeholders to define software requirements and translate them into technical specifications.
• Design and develop robust and scalable software solutions using the MEAN stack and other relevant technologies.
• Take ownership of feature development and deliver high-quality code on time.
• Participate in code reviews to ensure code quality and adherence to coding standards.
• Troubleshoot and debug software issues, and identify and implement effective solutions.
• Collaborate with DevOps teams to ensure smooth deployment and operation of software applications.
• Stay up-to-date with the latest industry trends, tools, and technologies and make recommendations for process improvements.

Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related field. (Master's degree preferred)
• 4+ years of hands-on experience in MEAN stack development, including MongoDB, Express.js, Angular (version 2 or higher), and Node.js.
• Proven experience working in a product-based company, delivering software solutions to customers.
• Strong understanding of Agile methodologies and Agile development practices.
• Proficient in front-end technologies such as Angular, HTML, CSS, and responsive design principles.
• Solid understanding of back-end technologies including Node.js, RESTful APIs, and server-side frameworks.
• Experience with cloud platforms, specifically AWS, and familiarity with related services.
• Knowledge of JSON, Kibana, JIRA, and Jenkins is a plus.
• Strong problem-solving skills and the ability to work independently as well as in a team.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

If you are a self-motivated individual with a passion for delivering high-quality software and want to work with a team that values creativity and innovation, then we encourage you to apply for this exciting opportunity. Join our team and be part of a dynamic environment where your expertise will make a significant impact on our software products. 

• Please submit your resume along with any relevant project portfolios or GitHub repositories, for consideration.

Job Description: Principal Engineer (Full Stack Architect)

Job Title: Full Stack Architect

Location: Hyderabad, India

Experience: 15Years to 20 years (4+ years in Enterprise Architecture)

Technology Stack: MERN (MongoDB, Express, React, Node.js), Distributed Systems, Cloud (GCP/Azure), Neo4j, Vector Databases, SQL and NoSQL Databases, Knowledge Graphs.

Industry: Enterprise Software, Large-Scale Distributed Systems, Machine Learning

Job Summary

As a Full Stack Architect, you will play a pivotal role in designing and architecting large-scale distributed systems with a strong focus on the MERN stack (MongoDB, Express.js, React, Node.js). You will lead the design and implementation of enterprise-grade software solutions that leverage cloud infrastructure (GCP/Azure), knowledge graphs (Neo4j), vector databases, and machine learning at scale. In this role, you will work closely with cross-functional teams including data scientists, cloud engineers, and front-end developers to deliver high-performance, secure, and scalable applications.

This role requires a deep understanding of distributed systems architecture, graph databases, machine learning systems, and cloud computing, with a strong focus on building solutions that meet business and technical needs. The ideal candidate will have 12+ years of experience with a proven track record of architecting full-stack systems and leading engineering teams in a fast-paced, innovative environment.

Roles and Responsibilities

Full Stack Architecture: Design, develop, and maintain highly scalable, distributed, and fault-tolerant enterprise applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

Distributed Systems: Architect and design large-scale distributed systems that handle high- volume, low-latency data processing.

Cloud Engineering: Implement and maintain cloud infrastructure solutions on GCP or AWS,ensuring high availability, scalability, and performance.

Knowledge Graphs and Databases: Design and optimize complex data models using Neo4j, vector databases, and other NoSQL solutions to manage interconnected data efficiently.

Enterprise Solutions: Architect and deliver cloud-native enterprise software solutions that meet enterprise-grade security, compliance, and performance requirements.

Data Structure & Algorithms (DSA): Lead by example in writing efficient, high-performance code and optimize software with a strong focus on algorithms, data structures, and system design principles.

Collaboration: Work with engineering, data science, and product teams to translate business requirements into scalable technical solutions.

Mentorship: Mentor junior engineers and foster a collaborative team environment.

Performance Optimization: Ensure system performance, scalability, and reliability throughcode reviews, optimizations, and best engineering practices.

Documentation & Best Practices: Maintain comprehensive architecture documentation and promote engineering best practices across teams.

Mandatory Requirements

Experience: 12+ years of full-stack development experience, with significant expertise

in building and architecting applications using the MERN stack (MongoDB, Express.js,

React, Node.js).

 Distributed Systems: Proven track record of architecting and implementing large-scale

distributed systems with a focus on reliability, scalability, and performance.

 Cloud Expertise: Extensive hands-on experience with cloud infrastructure (GCP or AWS),

with a deep understanding of cloud services such as compute, storage, networking, and

security.

 Database Systems: Expertise in NoSQL databases like MongoDB and graph databases like

Neo4j. Experience with vector databases for high-dimensional data processing.

 Knowledge Graphs: Hands-on experience in designing and working with knowledge graphs

for solving complex data relationships.

 Data Structures & Algorithms: Strong knowledge of DSA with practical experience in

solving complex technical challenges.

 Microservices Architecture: Experience in designing and developing microservices-based

architectures and ensuring high availability.

 DevOps ; Automation: Knowledge of DevOps practices (CI/CD), containerization (Docker), and orchestration (Kubernetes).

 Agile Methodologies: Experience with Agile development methodologies, including SCRUM, TDD, and iterative development.

Nice-to-Have Requirements

 Front-End Expertise: Advanced experience with React.js, with knowledge of modern front- end technologies (Next.js, Redux, TypeScript).

 Cloud Certifications: Google Cloud Professional Architect or Azure Certified Solutions Architect certifications.

 Data Engineering: Hands-on experience with data pipelines, ETL processes, and big data technologies (e.g., Apache Spark, Kafka).

 AI/ML Ops: Experience in deploying machine learning models using MLOps frameworks and automating ML pipelines.

 Graph Analytics: Experience in graph algorithms and analytics, with the ability to model and query complex relationships in a graph database.

 System Design: Experience in conducting system design reviews, providing insights into performance bottlenecks, scalability, and trade-offs.

 Security & Compliance: Knowledge of enterprise-level security protocols and data privacy compliance frameworks (e.g., SOC2, GDPR).

Leadership: Proven experience in leading cross-functional teams, setting technical roadmaps, and ensuring alignment between business and technical goals.

Responsibilities

Work with development teams and product managers to ideate software solutions

Design client-side and server-side architecture

Build the front-end of applications through appealing visual design

Develop and manage well-functioning databases and applications

Write effective APIs

Test software to ensure responsiveness and efficiency

Troubleshoot, debug and upgrade software

Create security and data protection settings

Build features and applications with a mobile responsive design

Write technical documentation

Work with data scientists and analysts to improve software

Requirements And Skills

Proven experience as a Full Stack Developer or similar role

Experience developing desktop and mobile applications

Familiarity with common stacks

Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache), and UI/UX design

Excellent communication and teamwork skills

Great attention to detail

Organizational skills

An analytical mind

Skills:- MongoDB, Express, HTML/CSS, Javascript, XML, jQuery, Java, MySQL

Professional development experience, working the Full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

Responsibilities:

• Writing and reviewing great quality code.
• Understanding functional requirements thoroughly and analysing the client's needs in the context of the project.
• Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks to realize it.
• Determining and implementing design methodologies and tool sets.
• Enabling application development by coordinating requirements, schedules, and activities.
• Being able to lead/support UAT and production roll outs.
• Creating, understanding and validating WBS and estimated effort for given module/task, and being able to justify it.
• Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement.
• Giving constructive feedback to the team members and setting clear expectations.
• Helping the team in troubleshooting and resolving of complex bugs.
• Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
• Carrying out POCs to make sure that suggested design/technologies meet the requirements.
• Passionate about building great solutions.
• Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
• Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.

• Relevant expertise in C#, . Net framework/. Net core, Web Services/WCF/Web API, ASP. Net/MVC. JavaScript, OO JavaScript (ES6 onwards), HTML5/CSS, Angular/React/VueJS, OOA and OOD Concepts, Serverside JS: NodeJS/Express.
• Experience in Relational Database: SQL Server/MySQL/Oracle, Cloud Platform: Amazon/Azure/Google Cloud.
• Experience in Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha, Repositories: Git/SVN/TFS, CI/CD Tools: Jenkins/Grunt/Gitlab/Azure DevOps, Container Ecosystem: Docker/Kubernetes/Anthos.
• NoSQL DB: MongoDB/Cassandra/CouchDB/HBase/MarkLogic, Cloud Database: CosmosDB/ IBM DB2/SAP HANA/Amazon Aurora/DynamoDB.
• Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
• Fundamental knowledge of design patterns.
• Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
• Languages: C#, JavaScript, OO JavaScript (ES6 onwards).
• App Framework: . Net Framework/. Net Core.
• Web Framework: ASP. Net/MVC.
• Markups: HTML5/CSS.
• CSS Framework: Bootstrap/Foundation/Bulma.
• Frontend Framework: Angular 6 ( ) /React/VueJS.
• API Framework: WebServices/WCF/WebAPI.
• Relational Database: SQL Server/MySQL/Oracle.
• Cloud Platform: Amazon/Azure/Google Cloud.
• Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha.
• Repositories: Git/SVN/TFS.

Responsibilities :

• Design and write lots of bug-free, efficient, scalable, and reusable code
• Developing front-end architecture and ensuring responsiveness of the application
• Work across the full stack, building highly scalable products that enable positive user experiences and measurable business growth. 
• Working on refactoring the current codebase and determining the root cause for the most complex software issues and developing practical, efficient, and permanent technical solutions
• Optimizing backend services to scale for a few hundred concurrent users
• Develop APIs and scripts using backend programming languages like Node.js and Nest.js 
• Dockerizing different services and automating our AWS infrastructure provisioning steps
• Design and implementation of continuous integration and deployment. 
• Determine process improvements, and best practices, and develop new processes
• Mentor and coach other software engineers
• Integrating with third-party APIs and existing frameworks.
• Ensuring responsiveness of applications and writing maintainable, scalable, and unit-testable code. Be passionate about the long-term stability, scalability, and reusability of shared components.
• Implement new requirements, handle change requests, and fix bugs for different releases. Deliver a high-quality and functioning code.
• Integrating solutions to enterprise software and legacy software
• Actively Participate in sprint ceremonies and work towards continually improving the process
• Prioritizes tasks and keeps manager up to date on status and roadblocks
• Help the junior engineers to unblock them and guide them on best design practices. Help in code reviewing on a regular basis
• Prepare thorough technical documentation which can be used by other engineers
• Stay up to date with new technologies and determine how to incorporate these into future platform capabilities

Requirements:

• Minimum 4-8+ years of overall experience developing B2B SAAS products 
• 3+ years of Experience working on React.js and its core principles
• Bachelor's degree in Computer Science or a related field
• Hands-on experience with Node.js and Express.js including state management like Redux
• Good understanding of NestJS, Next.JS, Tailwind CSS, Server-Side Rendering, Storybook/Bit, Bootstrap, and Material UI.
• Thorough understanding of modeling and scaling databases like MongoDB, DynamoDB or Firestore
• Deep understanding of object-oriented JavaScript and design principles and standards
• Hands-on experience in UI optimization best practice implementations
• Understanding of Serverless architecture like Lambda or Google Cloud functions
• Significant experience in developing high-performance, distributed, and scalable applications with container deployment (Docker and Microservices)
• Well-versed with collaboration, and Testing tools like Git, Swagger, and Cypress
• Proven experience with unit testing, integration testing, and end-to-end testing.
• Knowledge of open-source technologies and common front-end development tools such as Babel, Webpack, NPM, PNPM etc.
• Knowledge of modern authorization mechanisms, such as JSON Web Token
• Knowledge of Nginx and AWS services like S3, and EC2 will be helpful

Preferred Skills:

• Exposure to Terraform, GItlab CI/CD, and GitOps is a plus
• A keen eye for UX has experience building complex B2B applications
• Comfortable working in a dynamic startup environment where experimentation is one of the most common practices for product innovation and improvements
• Basic understanding of the Figma Tool and app development via React Native
• Good experience with deploying applications on AWS & DevOps

Nice to Have:

• Great learning attitude and eagerness to take ownership
• Passionate personality with great enthusiasm for life outside of work
• Critical thinker and a problem solver who has a sense of urgency and wants an interesting job that pushes you out of your comfort zone.
• An innovator who is inspired by the endless ways in which everything we do can always be improved
• High-energy personality, with a strong and demonstrable work ethic

What we Offer:

• Competitive salary 
• Health Insurance
• Remote working environment
• Workday Swap
• Learning Culture

we are building a professional network for the top 1% of women with a simple mission - more women in leadership positions. we launched in may 2020, and have an early product-market fit (10k paying members, great nps, retention) and strong business signals. we are backed by some of the best investors in india. click https://love.leap.club/" target="_blank">here to read what our members say about us ❤️

our founding team members have previously built zomato, uber, linkedin, facebook, wework. our 0-1 journey is done and we are now ready to scale 🤞

about the role - full stack developer:

• you will work on a disruptive product that is in its early stages.
• you are someone with experience in building products that have significant user base/revenue and robust backend systems running in production catering to real-world users.
• 2+ years of experience in engineering with applied knowledge of restful api design principles and best practices are a must. 
• an ideal candidate would have exceptional application development skills with experience working with nodejs, react, typescript, cloud (aws), mongodb amongst other in-demand technologies.
• having a good understanding of cloud technologies, deployments, backend & frontend end-to-end operations is key for this role.

skills required:

• experience with building and deploying cloud-based backend systems. operating the backend at low latency, high availability, and quality
• experience with developing distributed systems and scalable real-time applications
• excellent programming skills in node.js, react, express.js with a solid understanding of event-driven architecture
• understanding of sql and nosql databases. experience with designing and maintaining scalable databases
• experience with 3rd party libraries and api integrations. eg. stripe, razorpay, etc
• strong problem-solving skills with an understanding of core algorithms and complexity analysis
• solid understanding of operating system fundamentals, networking and concurrency concepts
• experience with aws technologies like lambda, api gateway, beanstalk, ecs, ec2 etc
• experience with docker, kubernetes good to have

why you should work with us:

• you will be part of our founding team and get a front seat view of building a company. we promise a steep learning curve
• work with smart folks who like to have fun and don't take themselves too seriously
• independently lead projects and own your deliverables
• we are generous with esops for folks who treat leap.club like their own company
• 5 day work week, flexible leave policy, health and accidental insurance
• regular offsites and travel to gurgaon (our hq)

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our thesis:

there are 3 critical factors that help us live our best social-professional life -

1. connections & network
2. jobs and opportunities
3. learning & development (courses, coaching etc.)

in the next 5 years, leap.club will transform all three for our members.

• the current-gen platforms have a simple playbook - big networks, feeds, photos, followers/ influencers and monetize through ads. 
• the next gen networks will be smaller/focused and algo driven
• linkedin enables connections, jobs, learning but it's built for scale and not depth.

our goals :

• 2022 - 10,000 members and $1 mil+ annual revenue 
• 2024 - 100,000 members and $10 mil+ annual revenue 
• 2027 - 1,000,000 members and $100 mil+ annual revenue