Tech Lead developer

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.

Hiring for Full stack Developer for a reputed Company at Ecospace, Rajarhat

Skills required:

React JS, Node JS, Angular must have

Python is an added advantage

Experience: 2 to 5 yrs

Working Days: 5 days working with Rotational Off

Salary - 30k to 70k as per the experience

This is a Work from Office Job

Role - Dot Net developer

Experience - 3+ year

Location - Surat

Salary - Depended on Knowledge ( 6LPA to 12LPA)

We are searching for a quality C# developer to develop code and .NET solutions for our business. In this role, you will be required to design, write, and maintain C# coding for our future and ongoing projects. A top-quality C# developers will be able to perform full-stack development as well as handle the creation, maintenance, and further development of .NET applications and programs.

Responsibilities:

● Developing C# .NET solutions for the organization.

● Creating in-house applications using the .NET framework.

● Debugging and maintaining written code.

● Defining and organizing projects on an ongoing basis.

● Reporting and resolving issues related to .NET projects.

● Identifying and handling technical risks and issues.

● Working in a project team alongside other developers.

● Providing technical support to stakeholders in the organization.

● Reporting on project statuses and developments to senior team members.

Qualifications:

● Bachelor's degree in Computer Science or relevant field.

Experience:

● Min 3years of experience working with .NET C#

Benefits:

● Experience developing web-based & desktop-based applications in C#, HTML, JavaScript, VBScript/ASP, or .NET

● Experience working with MS SQL Server and MySQL Knowledge of practices and procedures for full software design life cycle

● Experience working in an agile environment.

About Company

We are a Singapore-based IT solution provider company that develops technology and brings innovation to provide reliable solutions that fit customer needs as well as end-users. 

We offer custom web and mobile app solutions for all projects with end-to-end support. We have experienced professionals in our team who are enthusiasts to work with leading technologies.

We Have 4 branches Singapore, Malaysia, Indonesia and India (Surat) .Sony and Panasonic are our customer. We continue to grow as we believe in “Innovate Enable Empower".

Company website - https://mquestsys.com/

                 https://yesquesttech.com/

✵ 5 Days working

✵ Timing 9am to 6pm (Flexible time 1hour) 

✵ Events, celebration 

✵MNC's company 

✵ Paid leaves +festival Holidays

✵ Festival Celebrations

✵ On-Time Salary

✵ Career growth opportunities

✵ Best place to gain knowledge

✵ Friendly environment

✵ Co-operative senior developer

Role Overview:

We are seeking an experienced Full-Stack Tech Lead with a strong background in PHP and Angular development to head a small technical team (~3 ppl). This tech lead job will have a large amount of time spent on coding.

General Requirements:

• An undergraduate or graduate degree in a relevant field
• 5+ years of experience in full-stack development

Key Technical Skills:

• Architecture: Expertise in design and implementation
• Front-End Development: Strong in Angular
• Back-End Development: Extensive experience in Node.js and PHP
• Databases: Strong in MySQL
• Version Control: Strong experience with Git
• Cloud: Strong experience with AWS

Soft Skills:

• Fluent in English
• Strong communication skills, both written and verbal
• Strong team player with the ability to work well in a group
• Comfortable with delegating tasks and ensuring the delivery of high-quality code from the entire team in a timely manner

• Develop new user-facing features
• Build reusable code and libraries for future use
• Ensure the technical feasibility of UI/UX designs
• Optimize applications for maximum speed and scalability
• Assure that all user input is validated before submitting to back-end services
• Define APIs for front-end and back-end
• Consume 3rd party APIs
• Collaborate with other team members and stakeholders

• Strong understanding of JavaScript, its quirks, and workarounds
• Basic understanding of web markup, including HTML5 and CSS3
• Good understanding of advanced JavaScript libraries and frameworks - Angular, RxJS, Internationalization
• Good understanding of asynchronous request handling, partial page updates and reactive components
• Proficient understanding of cross-browser compatibility issues and ways to work around such issues
• Familiarity with front-end build tools
• Proficient understanding of Git
• Good understanding of browser rendering behavior and performance
• Basic understanding of HTTP requests and proficiency in creating REST APIs using Swagger
• Strong understanding of relational databases and its concepts - MySQL
• Ability to write database queries and transactions using sequalize ORM
• We would prefer it the candidate has an experience of min 1 year but a maximum of 3 years with all above mentioned technologies, libraries and frameworks

Full-stack Developer

CAST is the market leader in Software Intelligence. Its unique technology thoroughly examines the structure of complex software systems, with MRI-like precision. It delivers accurate, actionable, and automated views of software architecture, critical flaws, quality grades, sizing metrics, open source usage, and cloud readiness levels. Hundreds of companies rely on CAST for greater objectivity in crucial business decisions, faster application modernization for Cloud, raising the quality and security of their custom software. CAST operates globally with offices in North America, Europe, India, China.

Title: Software Developer

Location: Bangalore

Job definition

Working at CAST R&D means being an important part of a highly-talented, fast-paced, multicultural and Agile team based in Paris (France) and Bangalore (India). The team builds sophisticated source code analysis platform leveraging parsing, control flow, data flow and others mechanisms to fully understand the inner structure of the complex IT Systems developed and used by the Fortune 500 companies.

You, working as individual contributor, will be integrated in Dashboard Teams working on web portals of CAST AIP. Your teammates will be located in India and in France and you will have the opportunity to travel to France every year.
You will collaborate to writing and designing new features and improve existing ones. You will write unit tests and drive code reviews. You will participate into best practices definition and technology watch. Depending on will, skills and experience, you will have the opportunity to take technical lead on topics or projects.

While the domain of CAST is a niche, the position will propose you to work on software that dedicate to company Dashboards and control software, focusing on technical and creative skills.

Profile

• Experience : 3-6 years
• Experience in developing front-end/full stack applications at scale

• Should have experience in any of the front-end framework like React, Angular, BackboneJS, Ext etc and HTML/CSS/Bootstrap .
• Experience in backend technologies like GOLANG, NodeJS, Python, REST web services and Java(OOPS, Collections, DB Access) or any other technology.

• Hands on experience in JavaScript Concepts (OO-JS, Closures, Unit Testing, Module Patterns etc)

• Good to have skills like REST, Bootstrap, UI Components, CI/CD, NoSQL based DB is added advantage.

• Experience with advanced CSS programming using LESS or SASS is a plus.
• Expertise in of server side technologies and SQL/NoSQL is a plus.
• Experience of JavaScript testing frameworks like Karma, Mocha, Jest etc.

• It involves design the software system, Select algorithms, theories or technologies that will be used for BUSINESS Applications
• Contribute to software development design discussions for new features and new product development
• Strong Problem solving skills and ability to troubleshoot applications & environment issues.
• Adaptability, ability to learn faster, Independent, responsible and diligent.
• Good team spirit and interpersonal skills, Excellent Written, Verbal, communication skills, Analytical skills & Business Thinking.

The candidate should have a passion for technology and a flexible, creative approach to problem solving. You are autonomous and take responsibility for your work.

Ideally, you know how to write unit tests and maybe even better write them in TDD. You have knowledge in agile methodologies such as Scrum. You know about GIT and the use of continuous integration tools. You have developed single page JS applications end to end.

Candidate should have a bachelor or Master technical degree or equivalent experience. Strong knowledge in software engineering. Proactive Self Starter, creative thinker in designing, developing and supporting applications. Work as part of cross functional, passionate agile project teams to ensure quality is driven into the heart of the development process.

We are looking for a Senior Python Developer to produce large scale distributed software solutions. You’ll be part of a cross-functional team that’s responsible for the complete software development life cycle, from conception to deployment.

If you’re also familiar with Agile methodologies, we’d like to meet you.

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 Write technical documentation

Requirements
Proven experience as a Python Developer or similar role Knowledge on Python, Django, MongoDB, Elasticsearch, AWS Excellent communication and teamwork skills Great attention to detail Organizational skills An analytical mind Experience on Apache Kafka, Hbase and Graph DB is an added bonus

Xoxoday is looking for a highly skilled computer programmer who is comfortable with front end programming. The front-end developer's job is to convert website design files into high fidelity HTML/CSS and work on ReactJS code to bring it to life.

• Design and develop UI for SaaS Application using HTML/CSS
• Driving innovations
• Estimate efforts, identify risks, devices and meets project schedules
• Mentors and coaches’ engineers and provide technical leadership

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An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• 4 years of strong design and development experience in building massively large-scale distributed internet systems and products
• Skillsets -

• Expert - HTML/CSS/Bootstrap/Pixel perfect UI development.
• Good - ReactJS/AngularJS

• Scripting languages like NodeJS will be good to have
• Building single page applications with multiple components
• Working on complex dashboards and reporting interfaces
• Data structures & algorithms skills
• Open source software, frameworks, and broader cutting-edge technologies
• Modern JavaScript libraries and front-end components
• BS/MS in Computer Science or equivalent

You will be working with top-quality engineers who have built one of the best employee engagement SaaS platforms. You will be reporting to AVP Engineering and working closely with the Architect and other leads.

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A wholesome opportunity in a fast paced environment that will enable you to juggle between concepts, yet maintain quality on 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.

‍

A fast growing SaaS commerce company based in Bangalore with offices in Delhi, Mumbai, SF, Dubai, Singapore and Dublin. We have three products in our portfolio: Plum, Empuls and Compass. Xoxoday works with over 1000 global clients. We help our clients in engaging and motivating their employees, sales teams, channel partners or consumers for better business results.

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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.