Full Stack Engineer

Job Summary

We are seeking an experienced and results-driven MEAN Stack Developer with 2+ years of hands-on experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong expertise in JavaScript technologies across the full stack and be capable of working independently as well as collaboratively within a team.

Key Responsibilities

• Design, develop, and maintain scalable web applications using the MEAN stack (MongoDB, Express.js, Angular, Node.js)
• Build and maintain RESTful APIs using Node.js and Express
• Develop dynamic, responsive, and reusable frontend components using Angular
• Implement secure authentication and authorization (JWT, role-based access control)
• Perform complex CRUD operations and optimize MongoDB queries
• Integrate third-party APIs and services
• Write clean, maintainable, and well-documented code following best practices
• Debug, troubleshoot, and optimize application performance
• Participate in code reviews and mentor junior developers when required
• Collaborate with cross-functional teams (UI/UX, QA, DevOps)
• Ensure application security, scalability, and performance standards

Required Skills

• Strong proficiency in JavaScript (ES6+)
• Solid experience with Node.js and Express.js
• Hands-on experience with Angular (components, services, routing, state management)
• Strong knowledge of MongoDB (schema design, aggregation, indexing)
• Experience building and consuming RESTful APIs
• Good understanding of frontend–backend integration
• Experience implementing authentication (JWT, OAuth)
• Familiarity with version control tools (Git – branching, merging, pull requests)
• Understanding of application deployment and environment configuration
• Knowledge of JSON and API testing tools like Postman
• Understanding of responsive web design and cross-browser compatibility
• Experience with testing frameworks (Jest,Jasmine, Karma, Mocha, etc.)

Other Skills

• Strong problem-solving and analytical skills
• Good communication and collaboration abilities
• Ability to work independently and manage deadlines effectively

Key Responsibilities

Reporting & Analytics Development

• Design, develop, and maintain complex reporting solutions serving mission-critical emergency

response operations

• Build interactive dashboards and data visualizations that transform large datasets into

actionable insights

• Develop advanced analytics features including trend analysis, predictive metrics, and

operational intelligence

• Create self-service reporting capabilities enabling stakeholders to access critical data

independently

• Implement real-time and scheduled reporting systems with appropriate caching and

optimization strategies

SQL & Database Architecture

• Write and optimize complex SQL queries involving multiple joins, subqueries, CTEs, window

functions, and aggregations

• Review existing database architectures and identify performance bottlenecks and optimization

opportunities

• Design and implement database schema enhancements to support evolving reporting

requirements

• Develop and maintain stored procedures, functions, and views optimized for reporting

workloads

• Perform comprehensive query performance analysis and implement tuning strategies across

PostgreSQL and AWS Aurora environments

• Create efficient indexing strategies and data access patterns for large-scale datasets

• Establish data modeling best practices for dimensional and transactional reporting needs

Performance Optimization

• Conduct systematic performance analysis of reporting queries processing millions of records

• Implement query optimization techniques including execution plan analysis, index tuning, and

query refactoring

• Design and implement data aggregation strategies, materialized views, and summary tables for

improved performance

• Monitor and optimize database performance metrics including query response times, resource

utilization, and concurrency

• Develop ETL processes and data pipelines optimized for reporting and analytics workloads

• Implement caching strategies and data archival policies to maintain optimal system

performance

Technical Collaboration

• Partner with Product and stakeholder teams to translate business reporting requirements into

technical solutions

• Conduct code reviews focused on SQL quality, performance, and best practices

• Provide technical guidance to development teams on reporting architecture and database

optimization

• Document database schemas, reporting architectures, and optimization strategies

• Collaborate with DevOps on database infrastructure, monitoring, and scaling initiatives

Required Qualifications

Experience & Background

• 8+ years of software engineering experience with significant focus on reporting, analytics, or

business intelligence

• 5+ years of hands-on experience writing complex SQL in production environments

• 3+ years working with large-scale databases (millions+ records) and optimizing query

performance

• Proven track record developing enterprise reporting solutions and analytics platforms

• Experience conducting database architecture reviews and implementing performance

improvements

Technical Expertise - SQL & Databases

• Expert-level SQL proficiency including complex joins, subqueries, CTEs, window functions, and

advanced aggregations

• Deep PostgreSQL expertise with production experience in query optimization and performance

tuning

• Strong understanding of database internals including execution plans, indexing strategies, and

query optimization

• Experience with AWS Aurora or other cloud-based PostgreSQL solutions

• Proficiency in stored procedures, triggers, functions, and database programming

• Advanced knowledge of database design principles, normalization, and dimensional modeling

• Experience with database performance monitoring and profiling tools

• Strong programming skills in PHP (Yii framework or similar MVC frameworks preferred)

• Solid experience with Vue.js or similar modern JavaScript frameworks for building reporting

interfaces

What You'll Work With

• Databases: PostgreSQL, AWS Aurora, multi-tenant architectures

• Backend: PHP (Yii framework), RESTful APIs

• Frontend: Vue.js (Vue 2/3), modern JavaScript, data visualization libraries

• Infrastructure: AWS (RDS, Aurora, S3, Lambda), Postgres

• Tools: Git/GitHub, JIRA, Agile development workflows

Work Location

Hyderabad, India - On-site position with flexible working arrangements to accommodate both India

and onsite teams

Description:

At Digicorp, we design and develop world-class digital products for startups, scale-ups, and enterprises. We specialize in building web, mobile, and cloud-based applications that are scalable, simple, and impactful. Our mission is to help businesses turn ideas into meaningful software products that create real value.

What we are looking for?

• A MERN Stack Developer with 3–5 years of experience.
• Strong expertise in Node.js, React.js, and Python.
• Passion for coding, problem-solving, and building innovative solutions.
• Team player with good communication skills and a proactive mindset.

What will you do at Digicorp?

• Develop, test, and maintain scalable web applications using MERN stack.
• Write clean, reusable, and efficient code in Node.js, React.js, and Python.
• Collaborate with designers, product managers, and other developers to deliver high-quality solutions.
• Optimize applications for performance, scalability, and speed.
• Debug and fix issues to ensure smooth functionality of applications.
• Stay updated with the latest technologies and apply best practices in development.

3+ years

• Taking an active role in architecting the solutions we build
• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

• 2+ years Experience with React. Good to have working knowledge of React Native, Angular, VueJS
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Good understanding of AJAX and JavaScript DOM manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Hands on and implements complex React modules
• Able to implement automated testing platforms and unit tests
• Understanding of fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools (Git) 
• Critical thinker and problem-solving skills

• Experience with Angular2+ and Node
• Experience with AWS or GCP infrastructure
• Curiosity about new languages, libraries, frameworks
• Contributions to open-source projects

• Passionate about making an impact
• Self-driven & eager to learn new technologies
• Intellectually curious, interested to build complex systems
• Thrive in a highly independent, remote-first environment
• Keen to work with a globally diverse team

• Hybrid Work Option - Step out when you “want to” not when you “have to”
• Work from the comfort of your home or work at the office
• Support for setting up Home-office
• Flexible Work Hours -Work-life balance becomes a lot easier to maintain with the flexibility to plan your work hours 
• Flexible Leave policies
• Life needs a break - casual, parental, sick, or just random. To help you enjoy your leaves without guilt or excuses, we have a ‘no approval needed’ policy
• Health and Wellness - Constant encouragement to stay fit
• We encourage and support our team members to participate in memberships that promote team member health (physical, emotional, and psychological) and fitness
• Reimbursements for medical support
• Career ladder: the freedom to design your own path
• Well defined career ladders to grow, assess and explore your professional journey
• Learning opportunities
• In house learning platforms to partner with you in your growth story
• Wide range of courses and certifications

Join the Team! Full Stack Developer | 3-4 yrs experience | Remote

Do you want first-hand experience in building a startup with a small and growing team? Do you think data and tech can be a game changer?

Welcome to Co.labx: Co.labx is a tech-enabled, leadership consulting firm. At Co.labx, we are challenging the status quo & helping organisations become a force for good. We are a gender-neutral company, work remotely, partner on challenging projects with our clients, and strive to create a balance between people, planet, & profit. We now wish to enhance the role that technology plays in our work. And we have identified some exciting problem statements to push our boundaries in the next 1 year.

About the Role: At Co.labx, we’re proud to build products that accelerate the growth of organisations. To this end, we are looking to onboard a full-stack developer with previous experience working with early-stage startups. We’re looking for a candidate with 3-4 years of experience building, testing, and deploying web or mobile based applications. This individual would possess a strong product mindset, be user-centric, and be willing to experiment and build tools that enable teams to thrive.

Competencies

3-4 years of experience in the software development sector (service / product)

Experience with backend development using Ruby on Rails, Python Django, Java Spring or any other server side framework

Experience with Javascript, CSS and HTML and some frontend frameworks like React.js, Angular.js or equivalent

Experience working with relational databases (eg. MySQL or PostgreSQL)

Familiarity with RES APIs and developing endpoints in a RESTful manner

Experience writing industry-grade, well-tested code for a web-based product or service

Ability to work with uncertainty and rapidly adapting to changes

Strong leadership skills and ability to collaborate with multiple stakeholders to see a product to completion

Excellent communication skills

Expectations

Help plan and develop new software products for the organisation

Write clean, maintainable and scalable code that is production ready and well-tested

Gather requirements and understand need of new products from various teams

Use basic analytics tools and techniques to understand user behaviour and suggest changes to existing products (or enable other team members to do so)

Our pay scale for this role is between 12-15 lacs

Still here? Great, these are the next steps & an overview of the selection process:

Reach out: We love talking about our work, so drop us an email if you want to know more. And if this opportunity excites you, apply with your resume.

Showcase your work: We will share 2 short pre-works with you. We love original, well thought out work. Insider Tip - Work speaks louder than words!

Interview & Selection

If interested, reach out right away and we’re excited to get to know you!

About Us

We have grown over 1400% in revenues in the last year.

Interface.ai provides an Intelligent Virtual Assistant (IVA) to FIs to automate calls and customer inquiries across multiple channels and engage their customers with financial insights and upsell/cross-sell.

Our IVA is transforming financial institutions’ call centers from a cost to a revenue center.

Our core technology is built 100% in-house with several breakthroughs in Natural Language Understanding. Our parser is built based on zero-shot learning that helps us to launch industry-specific IVA that can achieve over 90% accuracy on Day-1. 

We are 45 people strong with employees spread across India and US locations. Many of them come from ML teams at Apple, Microsoft, and Salesforce in the US along with enterprise architects with over 20+ years of experience building large-scale systems. Our India team consists of people from ISB, IIMs, and many who have been previously part of early-stage startups. 

We are a fully remote team.

Founders come from Banking and Enterprise Technology backgrounds with previous experience scaling companies from scratch to $50M+ in revenues.

As a SDE III, you will be :

1. Designing and implementing FullStack applications of interface.ai’s conversational AI platform and playing a significant role in evolving them.
2. Working with a team of driven and passionate engineers working on cutting edge technology, who take pride in solving complex problems.
3. Engaging in cross-functional team discussions on Product, design, QA, deployment and maintenance,  in a fast-moving collaborative set up.
4. Building reusable code and libraries for future use
5. Analyzing high level requirements, breaking it down into workable/demoable tasks, estimating them and delivering with high quality.
6. Contributing to improve our engineering processes, tooling, and standards.

1. Are extremely self motivated
2. Have ability to learn quickly
3. Have a growth Mindset (read this if you don't know what it means - https://www.amazon.com/Mindset-Psychology-Carol-S-Dweck/dp/0345472322" target="_blank">link)
4. Have Emotional Maturity (read this if you don't know what it means - https://medium.com/@krisgage/15-signs-of-emotional-maturity-38b1a2ab9766" target="_blank">link)
5. Are Passionate about the possibilities at the intersection of AI + Banking
6. Have worked in a startup of 5 to 30 employees
7. Have outstanding problem-solving abilities
8. Have proactive outlook for ways to make the solution better
9. Have 5+ years of experience in delivering scalable complex technical products
10. Have Good knowledge of distributed technologies, low latency, and highly scalable systems. 
11. Have Expertise in JavaScript and Node.js
12. Have Hands-on experience in Node.JS / Express.JS / Hapi.js / Koa.js (or any other Web Framework), and Relational Databases (preferably PostgreSQL)
13. Have Expertise with unit testing & Test Driven Development (TDD)
14. Have Hands-on experience in Mocha or other Javascript testing frameworks
15. Have experience working with react, python (Nice to have)
16. Have hands-on experience in developing applications using microservices, container technologies, container management systems such as Kubernetes
17. Have a strong understanding of systems using real-time interactions (web sockets, long-polling, server-sent events)
18. Have hands-on experience in the Implementation of security and data protection
19. Are eager to learn new technologies
20. Have excellent written and verbal communication skills, including the ability to write detailed technical documents.
21. Are passionate about helping teams grow by inspiring and mentoring engineers

passion for building and delivering great software with a strong sense of ownership.

• 4+ years of experience in building web applications using React, Node.js, GraphQL integrations with NoSQL or relational database systems.
• Working experience in building and deployment applications on AWS platform a plus.
• Working experience on docker and microservice a plus.
• Strong experience with Build and Release, Agile processes and Estimation/Planning
• Must have strong debugging and troubleshooting skills, with solid understanding of logging and exception handling.