Senior Software Development Engineer (Python/ Javascript)

Experienced Senior Full Stack Engineer to Build & Backend for Event Ticketing Platform Using Claude Code

Overview

We have the frontend already built in Replit for both user and admin experiences. We are looking for a very experienced software engineer to design, build, and scale a production ready backend for a high concurrency event ticketing platform.

This role is for a true senior engineer who actively uses Claude Code as part of their daily development workflow, understands how to review and harden AI assisted output, and can ship systems that hold up under real world load, QA, and security testing.

This is not a prototype or demo system. This backend must be reliable, scalable, secure, and extremely well documented.

What You Will Be Building

• Backend services for an event ticketing platform

• Multi tenant architecture supporting thousands of organizers and events

• High concurrency purchase and checkout flows

• Secure user, admin, and system level access controls

• Production deployments with secrets management, middleware, and security layers

• Observability, logging, and metrics suitable for QA and load testing

• A thoroughly documented backend that future engineers can onboard into quickly

Core Engineering Requirements

• 10 plus years of professional software engineering experience

• Expert level experience using Claude Code or equivalent AI coding agents in real production workflows

• Deep experience building backends with Node.js

• Strong experience with Supabase and PostgreSQL

• Experience deploying and scaling applications on Vercel

• Proven experience extending existing codebases safely

• Strong API design and database performance fundamentals

• Ability to reason clearly about concurrency, transactions, and failure modes

Scalability and Performance Expectations

The backend must be designed to support:

• Hundreds of thousands of ticket purchases

• Thousands of concurrent users and tenants

• Large traffic spikes during on sale windows

• Load testing across all major latency percentiles including p90, p95, and p99

• Extremely low tail latency under high concurrency

• Graceful degradation and recovery under stress

You should be comfortable designing and implementing caching strategies, queue based workflows, idempotent operations, locking mechanisms, and transactional safety.

Security and Production Readiness

You must be able to:

• Set up production environments with proper secrets management

• Implement middleware for authentication, authorization, and rate limiting

• Design secure communication between frontend and backend

• Apply industry best practices for security hardening

• Prepare the system to pass penetration testing

• Maintain clean separation of concerns and least privilege access

Documentation and Developer Experience Requirements

High quality documentation is a hard requirement for this role.

You must have experience:

• Using AI powered documentation tools to generate and maintain technical documentation

• Producing clear architectural overviews and system diagrams

• Writing detailed README files and onboarding guides

• Documenting APIs, data models, and critical flows

• Keeping documentation in sync with code changes over time

We expect the backend to be easy to understand, easy to extend, and well explained for future engineers.

How We Evaluate Candidates

We are looking for engineers who can demonstrate:

• Real production systems they have built or scaled

• Clear judgment in how they use Claude Code and validate AI generated output

• Strong opinions on production readiness backed by experience

• The ability to move fast without sacrificing quality or safety

A short paid technical task may be used that involves real backend work with production quality code and documentation.

🚀 Job Opportunity: Full-Time MERN Stack Developer 🚀

Are you a skilled and passionate MERN Stack Developer ready to take on exciting challenges? We're looking for a talented individual to join our team in Vijay Nagar, Indore, on a full-time basis. If you have expertise in front-end and back-end development, and integrations, and a strong familiarity with a variety of tools and technologies, we want to hear from you!

🌟 Position: MERN Stack Developer

📍 Location: Vijay Nagar, Indore

🏢 Work from Office

💼 Type: Full-Time

💰 Base Salary: 2.5 LPA

📅 Application Deadline: October 22, 2023

🔥 Job Requirements:

Front-End Development:

- React.js

- Redux Toolkit

- Tailwind CSS

- EJS | HBS

- HTML5

- SASS

- CSS3

- Axios

Back-End Development:

- Node.js

- Express.js

- MongoDB

- Mongoose

- JavaScript

- JWT

- MVC Architecture

- REST API

Familiar with:

- Git

- PostgreSQL

- AWS

- NGINX

- Firebase

- ECMAScript

- Postman

- Data Structures

👨‍💼 Responsibilities:

As a Full-Time MERN Stack Developer, you will:

- Develop and maintain web applications using the MERN stack.

- Collaborate with cross-functional teams to define, design, and ship new features.

- Ensure the performance, quality, and responsiveness of applications.

- Identify and correct bottlenecks and fix bugs.

- Maintain code quality, organization, and automation.

- Implement security and data protection.

- Work with various APIs and integrate external services.

- Optimize applications for maximum speed and scalability.

- Stay updated on emerging technologies and best practices.

🏆 Why Join Us:

- Exciting projects and a dynamic work environment.

- Opportunity to work with cutting-edge technologies.

- Competitive compensation with a base salary of 2.5 LPA.

- Career growth and skill development opportunities.

- Supportive and collaborative team.

✉️ How to Apply:

If you meet the requirements and are ready to make a significant impact, please submit your resume and a cover letter detailing your experience and accomplishments deadline of October 22, 2023.

Join us in shaping the future of web development from our office in Vijay Nagar, Indore! Apply now and let your skills shine.

About First Principles

Job Description:

We at First Principles are looking for a trustworthy and proactive WordPress Developer with minimum 3 years of Web Development experience.

Roles & Responsibilities:

1. Designing and implementing new features and functionality
2. Establishing and guiding the website’s architecture
3. Ensuring high-performance and availability, and managing all technical aspects of the CMS
4. Helping formulate an effective, responsive design and turning it into a working theme and plugin.
5. Requirement analysis and discussion with Stakeholders
6. Provide user experience based on UX design principles

Requirement & Skills :

1. Good understanding of front-end technologies, including HTML5, CSS3, JavaScript, jQuery
2. Experience building user interfaces for websites and/or web applications
3. Experience designing and developing responsive design websites
4. Comfortable working with debugging tools like Firebug, Chrome inspector, etc.
5. Ability to understand CSS changes and their ramifications to ensure consistent style across platforms and browsers
6. Ability to convert comprehensive layout and wireframes into working HTML pages
7. Knowledge of how to interact with RESTful APIs and formats (JSON, XML, GraphQL)
8. Proficient understanding of code versioning tools like Git
9. Strong understanding of PHP back-end development
10. 3+ years of experience as Wordpress developer
11. Experience in Digital Marketing Agencies/Studio

Name - http://www.savvologygames.com">Savvology Games

Location - WeWork, Spectrum Towers, Malad, Mumbai

About Savvology - There is a lot of luck involved in most of the mainstream real-money games (Poker, Fantasy, Ludo, Rummy) which makes it hard to win anything. We want to create pure skill-based strategy games (no luck factor), where you can control your outcome better. What’s more, more than 50% of the players win! We make use of Game Theory (the science of decision-making) to come up with games that are so simple that even a 5-year-old can play. Our vision is to encourage people to make better decisions through gamification.

Job Brief

We are looking for an experienced and self-driven Backend Developer to join our young team. You will be responsible for all the server-side logic of our games, ensuring a smooth, glitch-free gaming experience. You have to minimize downtime, crashes, and other bugs and capture & store data correctly for further analytics. You will be working alongside a dynamic team of IITian founders, engineers, designers, and marketers, so there is a lot of scope for learning and growth. 

We’re a young, passionate team looking to make a dent in the gaming space. We work hard, but we party harder (beer/pizza every Friday night). If you love challenges, playing games, and building innovative products from scratch, we’d like to meet you.

Responsibilities

• Build robust backend systems that do not break down.
• Write clean and reusable code for future use and ease of understanding
• Collaborate with front-end developers to integrate user-facing elements with server-side logic
• Give inputs on how to develop new features in the most cost and effort-economical way
• Implementation of security standards, data protection, and privacy protocols
• We want to be a data-driven company. Gather data (events, clicks, behaviors) to facilitate analytics by the Product and Marketing teams
• Create dashboards where all key metrics and data is visible at a glance
• Implement and maintain an SEO-friendly website

Skills

• 3+ years of proven work experience as a Full-Stack / Back-end developer
• 2+ years of NodeJS experience
• 1+ years of ReactJS experience
• Proficient in MySQL and database design and schemas
• Familiarity with ELK stack. Hands-on project experience will be preferred.
• Website development. Should be well-versed in HTML / CSS / Javascript
• Ability to understand business requirements and translate them into technical requirements

Requirements

• Should be a team player and have a problem-solving attitude.
• Should show initiative and be opinionated. We don’t want a yes-man. [MUST] 
• Computer Science or a relevant degree from a reputed university is a plus but NOT mandatory
• Brownie points if you’ve worked on / developed a mobile game before

What you can expect at Savvology Games

• A cool work atmosphere complete with flexible working hours, unlimited coffee, fruit water, games (Foosball, Table Tennis, Pool, Carrom, Board Games, Cards…). Time will fly.
• A hockey-stick trajectory for growth professionally
• Fun people who you’ll want to hang out with after office hours too :)
• Lots of treats - Did we mention beer/pizza every Friday?

Skills we are looking for :

- Experience in developing full-stack applications at scale in ReactJs/AngularJs & NodeJs.

- Strong knowledge and experience in HTML(5), CSS, SCSS, and Advanced JavaScript

- Good knowledge of coding RESTful APIs.

- Strong knowledge of Web Storage (Cookie, Local Storage, and Session Storage)

- Knowledge of modern authorization mechanisms, such as JWT

- Familiarity with modern front-end build pipelines and tools

- Ability to work in a lean-agile development environment.

Good to know :

- Using GIT

- Knowledge of AWS

- Familiarity with GraphQL will be a brownie point

Company Name: - Alphasource Technology Pvt.Ltd 

Founded in 2020, We are here to provide the best for all our customers, serving you with the best end to end data & analytics services needed for any kind of software platform. We offer you easy and accessable solutions, we create, consult as well as promote your business. Our team is packed with well experienced technical support and outsourcing developers. 

Role- IT Software Architect 

Responsibilities 

• Collaborating with other professionals to determine functional and non-functional requirements for new software or applications. 

• Developing high-level product specifications with attention to system integration and feasibility. 
• Communicate successfully all concepts and guidelines to development team and continually researching best practices in coding. 
• Ensure software meets all requirements of quality, security, modifiability, extensibility etc. 

Requirements 

• Proven experience as software architect. 

• Experience in software development and coding in various languages (C#, .NET, Java etc.). 
• Excellent knowledge of software and application design and architecture. 
• Familiarity with HTML/CSS, JavaScript and UI/UX design. 
• Understanding of software quality assurance principles. 

Qualifications 

Bachelor's degree in Computer Science or relevant field 

Experience: 5 Years 

Work Location: Bangalore 

1. Work with Angular2, NodeJS, Meteor, and MongoDB as the stack to develop newer functionalities for our platform
2. Deploy application on AWS/ Google Cloud infrastructure
3. Monitor the application regularly and fix bugs
4. Work with team to create scalable and robust infrastructure from experts