Full Stack Developer

Software Engineer

Company Introduction

Since 1983 company has been an innovative software business, that has continued to grow year on year due its continued

success. With ongoing market developments and investment within the company, exciting times are ahead of the team!

The Role-

We are looking for a full stack engineer to join our team. We ideally hire engineers who are comfortable across the full stack, but

we know you will have a preference about being on the front-end or back-end. As long as you're happy to work on both sets of

tasks – you should carry on reading!

Our Technology

• Front-end: JavaScript, Angular (or good understanding of React, Vue JS, Knockout JS or similar)

• Back-end: C#, ASP.NET, Web API, MVC, Entity Framework

• Database: SQL Server. Knowledge of non-SQL databases is a plus

• Cloud: Microsoft Azure, AWS

Responsibilities-

• Design of the overall architecture of the web application

• Implementation of a robust set of services and APIs to power the web application

• Building reusable code and libraries for future use

• Optimization of the application for maximum speed and scalability

• Implementation of security and data protection

• Translation of UI/UX wireframesto visual elements

• Integration of the front-end and back-end aspects of the web application

Additiontionalresponsibilitiesfor Project Lead

• Active participation in design\build cycle of the software engineering life cycle (prototyping, architecture, detailed design,

development, testing and deployment).

• Providing expertise in technical analysis and solving technical issues during project delivery.

• Code reviews, test case reviews and ensure code developed meets the requirements.

• Collaborate with product management and engineering to define and implement innovative solutions for the product

direction, visuals and experience.

• Requirement gathering and understanding, analyze and convert functional requirements into concrete technical tasks and able

to provide reasonable effort estimates

• Mentor and develop skills of junior software engineers in the team.

Tech Skills and Qualifications

• Contract Length : 1 year

• Software Engineering Degree with 3-5 years of experience.

• Expert knowledge of JavaScript and Node.js, good understanding of Angular and JavaScript testing frameworks (such as Jest,

Mocha etc.)

• Good understanding of Cloud Native architecture, containerisation, Docker, Microsoft Azure/AWS, CI/CD, and DevOps

culture.

• Knowledge of cloud-based SaaS applications/architecture.

• Practical experience in the use of leading engineering practices and principles.

• Practical experience of building robust solutions at large scale.

• Appreciation for functions of Product and Design, experience working in cross-functional teams.

• Understanding differences between multiple delivery platforms (such as mobile vs. desktop), and optimizing output to

match the specific platform.

Candidates MUST HAVE :

● Deep expertise with JavaScript. Extensive hands-on experience building microservices using NodeJs.

● Substantial experience in building complex and scalable solutions.

● Strong computer science fundamentals: data structures, algorithms, design patterns

● Strong experience and understanding of various APIS / Web Services and SQL/NoSQL databases

● Architected non-trivial solutions for a company at a scale

● Proficient in unit testing, writing mocks, automated functional tests, and end-end tests

● Experience with a variety of languages, stacks, and programming paradigms

● Capability to contribute across the web and mobile stacks

● Strong desire to drive change, and ability to adapt to change quickly

● The ability to independently lead problem-solving and build elegant, maintainable solutions to complex problems.

Good to Have

● Experience in building projects with TypeScript, ExpressJs, NextJS, ReactJs, Flutte,r etc.

● Experience with gRPC or GraphQL API implementations.

● Experience in any other programming languages such as Python/Go/Scala

● Experience with Kubernetes, Docker and

● Understanding the nature of asynchronous programming and its quirks and workarounds

● Good hand-on with data streaming technologies like Kafka

● Experience with cloud APIs (e.g., GCP, AWS, Azure)

● Understanding on information security and data privacy

● Experience in open-source development and contribution to open-source technology

Roles and Responsibilities :

● Write clean, reliable, reusable, scalable, testable and maintainable code.

● Produce best in class documentation, testing and monitoring

● Estimate effort, identify risks

● Mentor/coach other engineers in the team to facilitate their development and to provide technical leadership to them.

● Rise above details as and when needed to spot broader issues/trends and implications for the product/team as a whole

● Practice and promote craftsmanship in software engineering (coding, testing, code reviews, documentation, scalability, performance, etc.)

● Break down requirements, estimate tasks, and assist in planning roadmap accurately

● Develop iterative solutions to address expansive product goals

● Platformism components as libraries, utilities and promote reuse

● Be able to conceptualize and develop prototypes quickly

● Own large technical deliverables and execute in a structured manner.

● Take accountability for the overall health of the products you build and ensure predictability of the deliverables of your team 1

● Drive technical roadmap of the team in collaboration with Product and Business Teams.

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.

• 2 - 6 years of software development experience in a professional environment
• 2.5 - 3 years of relevant experience in Node.js
• Experience in Android applications, directives, services etc.,
• Experience with Bootstrap 4.x+ (or internal framework)
• Experience in CSS3, HTML5, JavaScript, Typescript
• Able to integrate and use external (open source) libraries
• Develop high-performance and scalable APIs to serve clients.
• Experience in the creation of scalable RESTful APIs
• Experience in writing reusable, testable and efficient code.
• Collaborate with front-end developers on the integration of well-written APIs.
• Excellent verbal and written communications, ability to learn quickly and a willingness to work and add value to the team
• Experience with backend languages (e.g., Java) and JavaScript frameworks (e.g., Android, Node.js)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g. Apache) and UIUX design
• Experience in the creation of scalable RESTful APIs
• Writing reusable, testable, and efficient code
• Knowledge of containers and Kubernetes
• Good to know cloud technologies like AWS Google Cloud Azure, etc

We are looking for an experienced Senior Software Engineer who will develop designing and develop new software solutions; as well as support existing product updates and enhancements. Our Senior Software Engineer will join a growing team of developers responsible for building new and supporting existing products.

The ideal candidate will have the ability to prioritize well, communicate clearly, have a consistent track record of delivery and have excellent software engineering skills. Creative engineering is balanced with high quality and a customer focus. Must be able to work across multiple facets of the project and juggle multiple responsibilities at the same time. Strong analytic capability and the ability to create innovative solutions. We are looking for a highly motivated individual who is looking to grow their career in a fast-paced environment.

• Understand complex application design and program activities in the latest techniques and technologies: PHP, MySQL, Laravel, Rest APIs, Javascript, React, CSS, HTML and AWS Infrastructure
• Implement high-quality code in an agile, test-driven development environment
• Create high-performance APIs, libraries and microservices that scale to meet/exceed client expectations
• Participate in design and code reviews 
• Perform performance and scalability analysis as needed
• Find creative and elegant solutions to complex problems
• Research, evaluate and adopt next-generation technologies 
• Build automated unit and integration tests as needed 
• Work closely with our Designers, Engineers, Product Owners and Application Engineers and build automated solutions
• Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions
• Develop software solutions by studying information needs; conferring with users; studying systems flow, data usage and work processes; investigating problem areas; following the software development lifecycle
• Prepare and install solutions by determining and designing system specifications, standards and programming
• Accomplish engineering and organization mission by completing related results as needed
• Protect operations by keeping information confidential

• Mentor junior and mid-level engineers
• Make informed decisions quickly and take ownership of services and applications at scale
• Understand business needs and know how to create the tools to manage them
• Grow engineering teams by interviewing, recruiting and hiring

• 5+ years of experience with PHP, MySQL, Rest APIs, 
• 3+ years of experience with Javascript, React, CSS, and HTML
• Experience with AWS Infrastructure a plus 
• Experience with Github and tools like Bugsnag and Crashlytics 
• Experience working in an agile environment that follows Scrum or other agile methodologies 
• Experience developing software for Enterprise clients is preferred 
• Experience working with project management tools such as Asana or Trello is a plus
• Excellent time management skills, with the ability to work under deadlines in a fast-paced environment
• Attention to detail and commitment to high-quality/error free deliverables
• Great communication and problem-solving skills
• Detail-oriented and a critical thinker 
• Collaborate with team to brainstorm and create new products
• Stay on the leading edge of development practices
• A team player and leader but can work independently

About you

• Bachelor’s or Master’s in Computer Science or Computer Engineering  
• 6+ years of software development experience 
• Experience in SaaS (Software as a Service) model building scalable platforms utilizing micro services/distributed systems architecture using: restful APIs by internal and external partners 
• Understanding of data structures and algorithms
• Demonstrated experience with multi-tier applications
• Additional experience in customer-facing sustaining, support work and customer communication 

Our Culture

We help companies manage their biggest asset, their people. We are disrupting the corporate wellness market to help companies large and small to support employee and workplace wellbeing. If you’re ready to join our growing team and have the opportunity to be a part of a company that is focused on Woliba (Work-Life-Balance) then we’d love to hear from you. 

Responsibilities:

• Design, develop, and maintain software applications.
• Go the extra mile to identify customer needs and pain-points. 
• Relentless focus on delivering high quality, bug-free code.
• Closely work with the SRE and DevOps team to set up microservices infrastructure. 
• Maintaining and auditing code/design quality as per set guidelines and standards in assigned projects.
• Testing of completed tasks in ongoing projects in the team before sending updates to reporting authority/client.
• Participate in application design, code reviews and documentation.

Requirements:

• Experience in agile development process.
• Excellent knowledge of HTML5, CSS3.
• Excellent knowledge of JavaScript.
• Experience with cross-browser, cross-platform and design constraints on the web
• Good understanding and experience of working on Vue.js/React.js.
• Prior experience building REST APIs
• Hands-on experience with Node.js/Golang/Java + Redis + Elasticsearch.
• Experience with AWS/GCP is a plus
• Knowledge of version control systems like GIT.
• Experience in developing automated unit and functional tests
• A minimum of 1 year of experience is needed.

• Bachelor of Engineering or Masters Degree in Computer Science
• MEAN stack developer with
• Experience in software development, prototyping, functional analysis, integration, and testing.
• Experience with Javascript and RESTful technologies including building RESTful APIs
• In-depth understanding of the JavaScript programming languages especially Angular and node.js and the ability to peer review other engineer's code constructively
• Highly skilled at problem-solving, unit-testing, and debugging.
• Expert understanding of best practice engineering principles for building MEAN applications.
• In-depth knowledge of database systems and an understanding of data structures, data normalization, and query performance considerations. Particularly Non-Relational/NoSQL databases including MongoDB.
• Automated unit testing and CI experience
• Ability to effectively communicate technical concepts pictorially, orally or in writing.
• Docker experience desired
• Ability to learn business rules quickly by reading requirements, engaging in conversation, or reverse engineering.
• Expertise in source code control and versioning concepts.

Responsibilities

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• Work in a cross-functional team to deliver a complete user experience

• Create Unit and Integration tests to ensure the quality of code

• Be responsive to change requests and feature requests

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly

Overview

Xcelpros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. Our focus is Tech Innovation, Product Development and Technology Consulting.

We are hiring for our Product Development team and have an immediate need for a Backend Developer / Fullstack MERN Developer. The position calls for someone with a mindset who can build great products, manage multiple projects and related tasks on deadline. We are looking for high-quality and passionate developers that want to be a part of a great product team.

You need to have at least 2 years of demonstrated experience  as a Backend Developer using MERN (NodeJS, MongoDB, PostgreSQL & Express) & GraphQL technologies. The candidate will work closely with our internal teams in the design, development, launch and enhancement of various products.

About XcelPros

XcelPros is a Global company, headquartered in Chicago (US) with multiple locations in US and Bengaluru, India. XcelPros is focused on Tech Innovation, Product Development and Technology Consulting.

XcelPros specializes in technology solutions for Business-to-Business (B2B) and Business-to-Consumer (B2C) areas. We believe technology is the enabler of exponential growth for us and our customers. We are strategists delivering innovative business and technology solutions.  We have been well funded and operational since 2011.

XcelPros and affiliated group of companies are proud to foster a high-performance culture, one that's defined by having the best people, with the skills and determination to deliver above and beyond. We look for insightful and astute professionals who are also forward-thinking, confident, self-motivated and globally minded. Our core team consists of professionals with a wide range of skills and backgrounds.  XcelPros is continuously looking for talented, highly motivated individuals who believe in excellence and are committed to providing superior service to our customers and stakeholders. 

Experience

• Minimum of 2 years of experience in the design and development of  Web and Mobile applications using NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• You are required to have experience with development in Microservices Architecture 
• Experience with NestJS framework is a major plus
• Hands on experience with GoLang is not mandatory but a major plus

Start Date - Immediate

Positions - 2 (Immediate Need)

Responsibilities

• Minimum of 2 years of hands-on experience building applications in NodeJS, MongoDB, PostgreSQL, Apollo - GraphQL and React
• Strong and mandatory experience of 2 years of experience in building applications using the Microservices architecture in NodeJS
• Strong and mandatory skills in Automating Components, Perceptibility, Configuration Management, Debugging & Consistency while writing Microservices.
• Experience building applications using NestJS or similar frameworks is a major plus 
• Experience building applications and service integrations using Apollo /  GraphQL
• Adhere to best practices of engineering by writing high-quality code.
• Hands on experience in Elastic Search and related technologies
• Hands on experience with one or more testing frameworks such as  Jest
• You are required to write / conduct unit & integration testing to ensure code meets high-quality standards
• Collaborate with multiple stakeholders, including Production Support, BAs, Architect, Project Managers, and Product Owners to deliver high quality solutions.
• Develop, build, configure and unit test solutions from low level designs
• Ensure that solutions meet requirements outlined in the design documentation
• Perform all work to agreed time, cost and quality constraints
• Ensure that developed solutions are peer reviewed and formally documented
• Design, develop, test and document detailed technical specifications for application components built using MERN (MongoDB, ExpressJS, ReactJS, NodeJS) stack and integrations
• Develop and maintain high traffic / high performance React and Node based e-commerce web applications and web services, including support for mobile
• Participate in support activities to help UI developers integrate with APIs / services
• Create and maintain scalable infrastructure leveraging modern AWS cloud platforms
• Knowledge of all development aspects within an Agile SDLC framework, including; estimation, design, development, unit test, code reviews, and documentation
• Develop solutions that satisfy business requirements as outlined in user stories, and within agreed upon timelines
• Ensure solutions are of high-quality with regards to following standards and best practices, as well as satisfying security and performance requirements
• Collaborate effectively with other Agile team members
• Work with the Production Support team in the research and resolution of production issues.
• Prior hands-on experience with architecture for Web and Mobile technologies, E-commerce, Payment Gateways, Data security and encryption is a major plus
• Experience with CICD, containers and container management platforms(Dockers, Docker Swarm/Kubernetes, etc.)
• Knowledge of GOLANG is a major plus
• Good understanding of the Twelve-factor App methodology is a major plus
• Experience defining new architectures and ability to drive project from an architecture standpoint is a major plus
• Experience with Security configuration is a major plus
• Experience in understanding platforms & key AWS services like Elastic Beanstalk, AWS Lambda, ECS, AWS Fargate, EKS, EC2, S3 etc. is a major plus
• Troubleshoot and resolve complex technical issues in cloud integrations
• Highest levels of code quality
• Needs to conduct weekly code reviews
• Ensure timely and quality release of the product in collaboration with other team members
• Must be a self-starter and able to build up presence in the team.
• Perform other related duties as assigned

Technical Expertise / Hands-On Skills:

• MERN (MongoDB, ExpressJS & Node JS)
• PostGreSQL
• Apollo GraphQL
• JEST
• RESTAPIs

Key Deliverables

• Develop very high sense of ownership, the zeal to build scalable applications
• Develop a deep understanding of product development and start-up ecosystem
• Work with a performance oriented team driven by ownership and open to experiments
• Build customer facing technology product for global customers
• Collaborate with development teams to help identify and develop reusable platforms/libraries.

Key Requirements

• Can do attitude
• Highly motivated to bring fresh thoughts to the table
• Highly creative and most importantly willing to exercise it
• Self-starter and self-learner focused on research and learning
• Ability to play a variety of roles and most importantly take accountability
• Ability to communicate openly and embrace various perspectives without judgment
• Believe in a ”No politics” attitude. Politics can be detrimental to yourself and the organization.