Principal RoR Developer

Job Title : Full Stack Engineer (Python + React.js/Next.js)

Experience : 1 to 6+ Years

Location : Bengaluru (Indiranagar)

Employment : Full-Time

Working Days : 5 Days WFO

Notice Period : Immediate to 30 Days

Role Overview :

We are seeking Full Stack Engineers to build scalable, high-performance fintech products.

You will work on both frontend (Typescript/Next.js) and backend (Python/FastAPI/Django), owning features end-to-end and contributing to architecture, performance, and product innovation.

Main Tech Stack :

Frontend : Typescript, Next.js, React

Backend : Python, FastAPI, Django

Database : PostgreSQL, MongoDB, Redis

Cloud : AWS/GCP, Docker, Kubernetes

Tools : Git, GitHub, CI/CD, Elasticsearch

Key Responsibilities :

• Develop full-stack applications with clean, scalable code.
• Build fast, responsive UIs using Typescript, Next.js, React.
• Develop backend APIs using Python, FastAPI, Django.
• Collaborate with product/design to implement solutions.
• Own development lifecycle: design → build → deploy → monitor.
• Ensure performance, reliability, and security.

Requirements :

Must-Have :

• 1–6+ years of full-stack experience.
• Product-based company background.
• Strong DSA + problem-solving skills.
• Proficiency in either frontend or backend with familiarity in both.
• Hands-on experience with APIs, microservices, Git, CI/CD, cloud.
• Strong communication & ownership mindset.

Good-to-Have :

• Experience with containers, system design, observability tools.

Interview Process :

1. Coding Round : DSA + problem solving
2. System Design : LLD + HLD, scalability, microservices
3. CTO Round : Technical deep dive + cultural fit

Job Overview:

We are looking for a high-ownership Software Engineer with hands-on experience in modern full-stack development. The role demands strong fundamentals, the ability to work in a startup environment, and a mindset to build, iterate, and scale products.

You will be working closely with founders and cross-functional teams to build robust, scalable, and high-performance applications.

Core Responsibilities

·        Develop and maintain web applications using Next.js (frontend) and Nest.js (backend)

·        Design, build, and optimize RESTful APIs and backend services

·        Translate business requirements into scalable technical solutions

·        Collaborate with product, design, and business teams for feature development

·        Debug, troubleshoot, and improve application performance

·        Ensure code quality through clean architecture, testing, and best practices

·        Participate in deployment, monitoring, and continuous improvement cycles 

Technical Requirements

·        Strong proficiency in JavaScript and TypeScript

·        Solid understanding of web fundamentals (HTML, CSS, APIs, browser behavior)

·        Hands-on experience with Next.js and Nest.js

·        Working knowledge of PostgreSQL or relational databases

·        Familiarity with Git and GitHub (version control workflows)

·        Understanding of API design principles and backend architecture

Good-to-Have Skills

·        Experience with deployment platforms (Digital Ocean, AWS, Docker, etc.)

·        Knowledge of authentication, authorization, and security practices

·        Exposure to CI/CD pipelines

·        Understanding of scalable system design basics

What We Want

·        Strong problem-solving mindset

·        Ability to learn fast and adapt quickly

·        Comfort working in an unstructured startup environment

·        Ownership-driven attitude (not just task execution)

·        Clear communication and collaboration skills

Ideal Candidate Profile

·        Projects demonstrating end-to-end ownership

·        Contributions on GitHub (active repositories, clean code)

·        Experience building real-world applications (not just tutorials)

·        Ability to explain technical decisions and trade-offs

What You Will Get

·        Opportunity to work directly with startup founders

·        Fast-paced learning environment and accelerated skill development

·        Exposure to real product building and scaling challenges

·        Freedom to experiment, build, and innovate

·        Performance-driven growth and responsibility

·        Competitive compensation aligned with your potential

Additional Details

·        Joining: Immediate (7–15 days preferred)

·        Probation: 3 Months 

Role Objective

Develop business relevant, high quality, scalable web applications. You will be part of a dynamic AdTech team solving big problems in the Media and Entertainment Sector.

Roles & Responsibilities

* Application Design: Understand requirements from the user, create stories and be a part of the design team. Check designs, give regular feedback and ensure that the designs are as per user expectations.  

* Architecture: Create scalable and robust system architecture. The design should be in line with the client infra. This could be on-prem or cloud (Azure, AWS or GCP). 

* Development: You will be responsible for the development of the front-end and back-end. The application stack will comprise of (depending on the project) SQL, Django, Angular/React, HTML, CSS. Knowledge of GoLang and Big Data is a plus point.  

* Deployment: Suggest and implement a deployment strategy that is scalable and cost-effective. Create a detailed resource architecture and get it approved. CI/CD deployment on IIS or Linux. Knowledge of dockers is a plus point.  

* Maintenance: Maintaining development and production environments will be a key part of your job profile. This will also include trouble shooting, fixing bugs and suggesting ways for improving the application. 

* Data Migration: In the case of database migration, you will be expected to suggest appropriate strategies and implementation plans. 

* Documentation: Create a detailed document covering important aspects like HLD, Technical Diagram, Script Design, SOP etc. 

* Client Interaction: You will be interacting with the client on a day-to-day basis and hence having good communication skills is a must. 

**Requirements**

Education-B. Tech (Comp. Sc, IT) or equivalent 

Experience- 3+ years of experience developing applications on Django, Angular/React, HTML and CSS 

Behavioural Skills-

  1. Clear and Assertive communication 

  2. Ability to comprehend the business requirement  

  3. Teamwork and collaboration 

  4. Analytics thinking 

  5. Time Management 

  6. Strong Trouble shooting and problem-solving skills 

Technical Skills-

  1. Back-end and Front-end Technologies: Django, Angular/React, HTML and CSS. 

  2. Cloud Technologies: AWS, GCP and Azure 

  3. Big Data Technologies: Hadoop and Spark 

  4. Containerized Deployment: Dockers and Kubernetes is a plus.

  5. Other: Understanding of Golang is a plus.

AI / LLM Engineering — Good to Have

• Candidates with exposure to AI/LLM engineering will have a strong advantage as we build intelligent, AI-augmented AdTech solutions. None of the below is mandatory.
• LLMs: OpenAI (GPT-4/4o), Anthropic (Claude), Meta (Llama)
• Orchestration & Agents: LangChain, LangGraph, LlamaIndex
• Tool Calling / MCP: Function Calling (OpenAI / Anthropic), FastMCP or Custom MCP Servers
• RAG (Retrieval-Augmented Generation): RAG pipeline design, LlamaIndex, LangChain retrievers and chains
• Vector Databases: Pinecone, Weaviate, FAISS
• Embeddings: OpenAI Embeddings, Hugging Face Sentence Transformers
• Observability: LangSmith, Sentry
• Backend / Infra for AI: Django REST Framework, FastAPI.

Role Overview

We are looking for a Senior Full Stack Developer in India with strong hands-on experience across frontend and backend development to deliver high-quality, scalable solutions for global clients.

This role requires deep technical expertise, the ability to work independently on complex requirements, and strong collaboration with global delivery teams across regions. You will contribute to technical decision-making, mentor team members, and ensure solutions meet enterprise-grade standards.

Key Responsibilities

Full Stack Development

• Design, develop, test, and maintain robust and scalable full stack applications
• Work across frontend and backend layers depending on project demands
• Deliver clean, maintainable, and performance-optimized code

Technical Contribution & Quality

• Contribute to technical and architectural decisions
• Ensure applications meet requirements for security, performance, reliability, and scalability
• Participate actively in code reviews and technical discussions

Delivery & Collaboration

• Work closely with Product, UX, QA, DevOps, and global delivery teams
• Participate in agile ceremonies including sprint planning, reviews, and retrospectives
• Communicate effectively with Delivery Managers and project stakeholders on progress, risks, and dependencies

Mentoring & Team Enablement

• Mentor junior and mid-level developers on coding, testing, and design best practices
• Support your project team and the wider engineering community through knowledge sharing
• Contribute to continuous improvement of development standards and practices

Continuous Learning & Improvement

• Stay current with evolving technologies, frameworks, and engineering practices
• Participate in POCs, technical evaluations, and learning initiatives
• Actively contribute to improving tools, processes, and delivery approaches

Required Qualifications & Experience

• BE, ME/MTech, MCA, MSc, or equivalent degree-level education
• 5-10+ years of hands-on experience as a Full Stack Developer
• Strong experience working in client-facing, delivery-oriented environments
• Proven experience working in agile development teams
• Ability to work effectively with distributed/global teams

Technical Skills

Frontend

• Angular 16 (preferred) or React (can convert to Angular)
• TypeScript, JavaScript, HTML5, CSS / SCSS, Tailwind CSS
• Advanced state management and frontend performance optimization

Backend

• Java (Spring Boot preferred) or Node.js
• RESTful APIs and microservices architecture
• Unit testing and mocking frameworks (JUnit, Mockito)
• Asynchronous and event-driven messaging

Data & Integration

• Strong experience with SQL and/or NoSQL databases
• Database schema design, data modeling, and query optimization
• Experience with enterprise integrations, message queues, and event-driven systems

DevOps & Engineering Practices

• CI/CD pipelines and version control (Git)
• Automated testing (unit, integration, frontend and backend)
• Understanding of deployment, monitoring, and operational reliability

Professional & Behavioral Skills

• Strong problem-solving and analytical mindset
• Clear verbal and written communication skills in English
• Ability to work independently, manage priorities, and meet delivery timelines
• Commercial awareness in client delivery and project execution
• Strong collaboration and team-oriented approach

Nice to Have

• Open-source contributions (GitHub, npm/Maven publishing)
• Experience with technical POCs, R&D initiatives, or innovation projects
• Participation in tech communities, mentoring programs, or knowledge forums
• Relevant certifications or advanced technical training

About Columbus :

Columbus is a global IT services and consulting corporation with more than 3,000 employees serving our customers worldwide. We bring digital transformation into your business and position you to thrive far into the future. We offer a comprehensive solution portfolio with deep industry knowledge, extensive technology expertise and profound customer insight. We have proven this through 32 years of experience serving more than 5,000 customers worldwide.

Senior Full Stack Developer – Analytics Dashboard

Job Summary

We are seeking an experienced Full Stack Developer to design and build a scalable, data-driven analytics dashboard platform. The role involves developing a modern web application that integrates with multiple external data sources, processes large datasets, and presents actionable insights through interactive dashboards.

The ideal candidate should be comfortable working across the full stack and have strong experience in building analytical or reporting systems.

Key Responsibilities

• Design and develop a full-stack web application using modern technologies.
• Build scalable backend APIs to handle data ingestion, processing, and storage.
• Develop interactive dashboards and data visualisations for business reporting.
• Implement secure user authentication and role-based access.
• Integrate with third-party APIs using OAuth and REST protocols.
• Design efficient database schemas for analytical workloads.
• Implement background jobs and scheduled tasks for data syncing.
• Ensure performance, scalability, and reliability of the system.
• Write clean, maintainable, and well-documented code.
• Collaborate with product and design teams to translate requirements into features.

Required Technical Skills

Frontend

• Strong experience with React.js
• Experience with Next.js
• Knowledge of modern UI frameworks (Tailwind, MUI, Ant Design, etc.)
• Experience building dashboards using chart libraries (Recharts, Chart.js, D3, etc.)

Backend

• Strong experience with Node.js (Express or NestJS)
• REST and/or GraphQL API development
• Background job systems (cron, queues, schedulers)
• Experience with OAuth-based integrations

Database

• Strong experience with PostgreSQL
• Data modelling and performance optimisation
• Writing complex analytical SQL queries

DevOps / Infrastructure

• Cloud platforms (AWS)
• Docker and basic containerisation
• CI/CD pipelines
• Git-based workflows

Experience & Qualifications

• 5+ years of professional full stack development experience.
• Proven experience building production-grade web applications.
• Prior experience with analytics, dashboards, or data platforms is highly preferred.
• Strong problem-solving and system design skills.
• Comfortable working in a fast-paced, product-oriented environment.

Nice to Have (Bonus Skills)

• Experience with data pipelines or ETL systems.
• Knowledge of Redis or caching systems.
• Experience with SaaS products or B2B platforms.
• Basic understanding of data science or machine learning concepts.
• Familiarity with time-series data and reporting systems.
• Familiarity with meta ads/Google ads API

Soft Skills

• Strong communication skills.
• Ability to work independently and take ownership.
• Attention to detail and focus on code quality.
• Comfortable working with ambiguous requirements.

Job description:

Tech Lead / Solution Architect – SaaS ERP (Hands-on Role)

This is NOT a managerial role.

We are building a large-scale AI-powered School ERP SaaS platform.

If you have not built a scalable SaaS product from scratch, please DO NOT apply.

---### Mandatory Requirements (No Exceptions)

* Built at least 1 SaaS product (not just worked on modules)

* Strong backend architecture experience (API design, DB design, scaling)

* Experience with multi-tenant systems (multiple clients in one platform)

* Hands-on coding ability (Node.js / Python / Java)

* Experience handling real users (1000+ active users)

---

### Do NOT Apply If:

* Only worked in service-based companies without product ownership

* Only frontend/mobile developer

* Only managed team but not coded

* No real production deployment experience

---

### Proof Required (Mandatory):

Attach the following in your application:

1. GitHub / live product link

2. Architecture diagram or explanation of a system you built

3. One real scaling problem you solved

Applications without proof will be rejected.

---

### Role Responsibility

* Design complete SaaS ERP architecture

* Lead backend and system design decisions

* Work hands-on with developers

* Ensure scalability, performance, and security

---

### Selection Process

1. Pre-screen architecture task

2. Technical discussion (real-world scenarios only)

3. 5-day paid trial

---

We are building for scale.

If you are not deeply technical and hands-on, this role is not for you.

Job Types: Full-time, Permanent

Work Location: In person

Responsibilities:

• Concepting, creating, and building websites alongside our graphic design team, including taking designer wireframes and magically turning them into effective code.
• Working through the website development lifecycle to launch.
  Designing user-based interactions through an effective front-end architecture framework.
• Developing functional databases, applications, and servers to support our websites on the back end.
• Developing and designing RESTful services and APIs.
• Determining application responsiveness for consumers.
• Troubleshooting issues and problem-solving as necessary.
• Keeping current with industry trends and developments that can be applied to company needs.

Requirements:

• Bachelor’s Degree in Computer Science.
• Expertise with MEAN stack
• Fluent in CSS (Foundation or Bootstrap), JavaScript, and HTML, with an understanding of CSS preprocessors including Sass and LESS.
• Strong knowledge of Linux, JavaScript, and MongoDB with working knowledge of SQL Database and PHP.
• Experience with JS-based tools including Bower, Grunt, and Gulp.
• Working experience as a Full Stack Developer.
• Experience working with server technologies including Apache, ISS, Node.js, and Nginx.
• Experience in API design and development.
• Understanding of libraries including Backbone.js and jQuery.
• Experience with Docker, AWS, CI/CD, Jira is a plus.
• Strong knowledge of data structures, system design, and algorithms.
• Excellent communication skills, with strong attention to detail and a head for problem-solving.
• Skilled at working in tandem with a team, or unsupervised as required.

About the Company

Xerago is a 15-year-old Private Limited company that helps brands with their Marketing Transformation by providing integrated marketing services through its Marketing Centres of Excellence.

We are looking for a Full Stack Developer who will work on a broad range of cutting-edge technologies.

Go Xerago!

Official website - https://www.xerago.com/">https://www.xerago.com/

Go Xerago!

Experience Required – 2 to 6 years

What you’ll do

• 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.

What you’ll need

• Strong organizational and project management skills.
• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React and Amber.
• Proficiency with server side languages such as Python, Ruby, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.
• Good problem solving skills.
• Attention to detail.