

CartX is a small, fast-growing, and remote-first company. We are a high converting one-page checkout and post-purchase one-click upsell for thriving eCommerce stores. We are looking for a Senior Software Engineer to join our mission and work on our ambitious product roadmap. Ideal candidates have a solid technical background on complex systems.
→ What you will be doing:
– Solve engineering problems that affects hundreds of customers
– Develop and launch end-to-end new key features
– Take ownership and responsibility of challenging tasks
– Interact and collaborate with the team
– Research, innovate and propose new ideas that can lead to new projects
– Play an important role by shaping our company’s best practices and culture
– Learn fast and adapt quickly
→ Required
– 5+ years of experience as a Software Engineer
– Experience on LAMP
– Experience on Bitbucket
– Knowledge on API’s such as Twilio, Stripe and others
– Great communications skills
– Fluent in English (written and speaking)
→ What We Offer
- Work remotely from home or any co-working space
- Work with a top-notch engineering team
- Unlimited vacation policy
- Ownership and autonomy over exciting tasks
- Be part of an exciting fast-growing startup

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- Job Description:
- Extensive experience in Appian BPM application development
- Knowledge of Appian architecture and its objects best practices
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- Good understanding of database concepts and strong working knowledge any one of the major databases e g Oracle SQL Server MySQL
Additional Information Skills Required
- Appian BPM application development on version 19.x or higher
- Experience of integrations using web services e g XML REST WSDL SOAP API JDBC JMS
- Good leadership skills and the ability to lead a team of software engineers technically
- Experience working in Agile Scrum teams
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Are you passionate about backend development and building scalable applications? Join our growing team!
Technical Skills:
- Extensive experience in programming/scripting languages and frameworks in at least two Node.js, Java Springboot, and Python.
- Understanding of architectural patterns like Flux and MVC is a desirable
- Work experience in REST API service, Socket connections, and mechanisms to handle real-time async data is important.
- Strong knowledge in OOPS, GIT, SQL/nonSQL DB (such as Elastic DB, Mongo DB, MySQL), Design Patterns
- Preferred to have experience with microservices, API gateway, AAA service
- Good knowledge of coding standards, design patterns, unit testing frameworks, TDD, CI/CD practices.
Must have previous experience in leading a team-
- Experience with RESTful web services, CSS, and HTML5 is desirable-
- Experience with designing and building APIs with REST/Microservices
- Good to know about AWS Lambda & supporting configuration knowledge. Knowledge of any of the serverless frameworks like Serverless, AWS SAM would be an advantage.-
- Good to know of API Gateway and CloudFront.-
👉 Required Skills:
- Strong experience with Node.js
- Hands-on expertise in Payment Gateway Integration
- Proficient in MySQL Database Management
- Knowledge of Socket Programming is a big plus!

Senior Developer should have exposure to building logistics products.
Skilled in RESTful & GraphQL APIs, microservices, and database optimization (MySQL, PostgreSQL, MongoDB).
• Experienced in authentication (OAuth, JWT), caching (Redis, Memcached), and real-time applications (WebSockets).
• Strong knowledge of CI/CD pipelines, Docker, Kubernetes, and cloud deployment (AWS, GCP, Azure).
• Passionate about scalability, performance tuning, security best practices, and clean code architecture.


We are looking for a PHP Developer to help us go global by building a world-class product.
spynPRO is a SAAS product for academy owners, event organizers and facility owners to manage and grow their business.
We are a small but growing team of 9 that is changing the way academies teach their students, organizers manage events and facilities manage slot booking. Take your career to the next level with us.
About our Engineering Department
We build new features on top of a stack using YII2 framework, consisting of web apps communicating through APIs, backed by MySQL databases and currently using Cordova for our Android and iOS apps
We don’t follow rigid Scrum or Kanban, but we do work in an agile, iterative way – we deploy changes multiple times a week to production and try to continuously improve and implement what works for us.
Here are some things you’ll be doing in the role (but not limited to):
Writing code, code reviews, fixing bugs, optimising server response, etc.
Understanding the problems to be solved, and breaking these down into small, actionable tasks.
Learning and helping others
So, what are we specifically looking for?
About 1-4 years experience in PHP framework, including both successes and failures, which help you make better decisions.
Good working knowledge of PHP MVC Frameworks, MySQL & HTML/CSS.
Significant experience in working on major systems in one or more languages: ideally you’ve built REST API endpoints on top of data storage layers, and understand concepts like authentication, caching, web security, and the way that frontends consume APIs.
What are we currently working on?
1. Developing a new webapp Workpod in Yii2 framework
2. Adding new features to existing product spyn
3. Developing cordova apps for above 2 products

Roles and Responsibilities:
- Developing Simple to Complex Functionality for Websites and Applications
- Write reusable code preferably using classes and libraries.
- Programming databases specially MySQL.
- Establishing projects from scratch or working on accessible projects
- Developing front-end and back-end applications.
- Take on multiple projects varying in size and complexity.
- Manage projects on AWS and other servers.
Desired Candidate Profile:
- Bachelor degree in Computer Science, Software Engineering or related discipline.
- 1 to 3 years of experience developing eCommerce web applications.
- Should be technically sound in OOPs Concepts.
- Programming databases specially MySQL/PostgreSQL.
- Knowledge of server side technologies like PHP 7/8, NodeJS, NUXT.
- Knowledge of client side technologies like Javascript, JQuery, VueJS.
- Experience in MVC Framework, especially laravel.
- Basic knowledge of HTML5, CSS, XML, JSON.
- Good command on PostgreSQL database and its optimization techniques.
- Exposure to database transactions, stored procedures and triggers.
- Experience working with third-party APIs and developing web services using REST/GRPC.
- Experience with SCM tools like svn/git.
- Ability to adapt and pick up new techniques and technology.
- Knowledge of web security and vulnerabilities.
- Ability to prioritize the work and multi-tasking.
- Excellent communication skills & self-motivated


Job Purpose
We work in the latest technology, and our foundations are data structures, algorithms, solid logical reasoning, and mathematics. We are looking for very strong engineers who love coding, optimizing, and ensuring their code is the most efficient.
You will be involved with hardcore development. If you are an assembler of code or packages from different places to build something, you may not find our team to be the right fit.
You must be someone who can build anything from the ground up. Programming language should not be any barrier for you, as you should be able to pick up any programming language or underlying technology within a week.
Key Areas of Responsibility
Core development. Ready to participate in the designing, brainstorming, and development process. You must give sleepless nights to meet deadlines whenever required.
Desired Candidate Profile
Essential Skills
- Reliable, Accountable, and Trustworthy
- Ability to understand software requirements based on a wireframe/program specification
- Familiarity with GoLang / PHP / Python / Java / C / C++ / Linux Shell and Scripting / HTML / CSS / JS / Node.js is a plus
- Effective communication skills to ensure smooth coordination of tasks with the Team Leader.
- Knowledge of MongoDB, MySQL, and PL/SQL is a plus
- Familiarity with ML, TensorFlow, and Keras is a plus
- Knowledge of web servers such as Apache, NGNIX, and the HTTP protocol is a plus.
- Knowledge of multi-process, threads, memory, and filesystem on Linux is desirable.
- Must Solve The Following
To consider you for the current opening, please make sure to understand the following question and solve it. A simple program in any programing language would do. If you cannot solve this, please do not apply.
Write a function foo(x) where foo(foo(x)) = -x (assume x to be an integer, and foo(x) has to be always real), any programming language would do. Before submitting the answers, please verify that the output of foo(foo(10)) should be -10 and foo(foo(-10)) should be 10.







