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Whetstone Cyber Solutions Pvt. Ltd. is hiring for Fullstack PHP Developer

About the Company

Whetstone Cyber Solutions Pvt. Ltd. is seeking a talented Fullstack PHP Developer with Vue.JS experience to join our team. We are a dynamic company dedicated to innovation and excellence in the tech industry.

Title: Senior Fullstack Developer

Position: Contract

Duration: Long term

Location: Hyderabad or Gurgaon

Work Mode: Onsite

Key Skills: Vue.js, JavaScript, PHP, Cordova

We are looking for hands-on Full Stack Developers with strong experience in Vue.js, JavaScript, PHP, CodeIgniter, MySQL, and Cordova.

The role involves development and maintenance of web and mobile applications across the front-end, backend, database, and mobile layers. Candidates should have experience working on production applications and should be comfortable troubleshooting issues across the complete technology stack.

Candidates must be based in Hyderabad or Gurgaon, or be willing to work from either of these locations.

Responsibilities:

• Develop and maintain web applications using HTML, CSS, JavaScript, and Vue.js.
• Develop reusable Vue.js components and front-end modules.
• Develop and maintain backend applications using PHP and CodeIgniter.
• Build and integrate REST APIs.
• Develop and support hybrid mobile applications using Apache Cordova.
• Integrate Cordova applications with native iOS functionality where required.
• Work with JSON-based APIs and data exchange mechanisms.
• Develop, troubleshoot, and optimize MySQL queries.
• Perform application debugging and root-cause analysis across front-end, backend, mobile, and database layers.
• Participate in deployment and production-support activities.
• Support applications hosted within CPaaS environments.
• Collaborate with QA, product, infrastructure, and other engineering teams.
• Follow coding standards, security practices, and version-control processes.
• Participate in code reviews and application-performance optimization.

Requirements:

• A minimum of 5 years of strong hands-on full-stack development experience.
• Good understanding of MVC architecture.
• Strong JavaScript fundamentals, including ES5 and ES6.
• 2+ years of hands-on experience with Vue.js applications.
• Strong PHP and CodeIgniter development experience.
• Experience building hybrid mobile applications using Cordova.
• Exposure to native iOS integrations.
• Strong MySQL and SQL troubleshooting skills.
• Experience integrating third-party APIs.
• Ability to independently analyze and resolve production issues.
• Good communication and problem-solving skills.

About the Role

At Ceryneian, we’re building a next-generation, research-driven algorithmic trading platform aimed at democratizing access to hedge fund-grade financial analytics. Headquartered in California, Ceryneian is a fintech innovation company dedicated to empowering traders with sophisticated yet accessible tools for quantitative research, strategy development, and execution.

Our flagship platform is currently under development. As a Backend Engineer, you will play a foundational role in designing and building the core trading engine and research infrastructure from the ground up. Your work will focus on developing performance-critical components that power backtesting, real-time strategy execution, and seamless integration with brokers and data providers. You’ll be responsible for bridging core engine logic with Python-based strategy interfaces, supporting a modular system architecture for isolated and scalable strategy execution, and building robust abstractions for data handling and API interactions. This role is central to delivering the reliability, flexibility, and performance that our users will rely on in fast-moving financial markets.

We are a remote-first team and are open to hiring exceptional candidates globally.

Core Tasks

·      Build and maintain the trading engine core for execution, backtesting, and event logging.

·      Develop isolated strategy execution runners to support multi-user, multi-strategy environments.

·      Implement abstraction layers for brokers and market data feeds to offer a unified API experience.

·      Bridge the core engine language with Python strategies using gRPC, ZeroMQ, or similar interop technologies.

·      Implement logic to parse and execute JSON-based strategy DSL from the strategy builder.

·      Design compute-optimized components for multi-asset workflows and scalable backtesting.

·      Capture real-time state, performance metrics, and slippage for both live and simulated runs.

·      Collaborate with infrastructure engineers to support high-availability deployments.

Top Technical Competencies

·      Proficiency in distributed systems, concurrency, and system design.

·      Strong backend/server-side development skills using C++, Rust, C#, Erlang, or Python.

·      Deep understanding of data structures and algorithms with a focus on low-latency performance.

·      Experience with event-driven and messaging-based architectures (e.g., ZeroMQ, Redis Streams).

·      Familiarity with Linux-based environments and system-level performance tuning.

Bonus Competencies

·      Understanding of financial markets, asset classes, and algorithmic trading strategies.

·      3–5 years of prior Backend experience.

·      Hands-on experience with backtesting frameworks or financial market simulators.

·      Experience with sandboxed execution environments or paper trading platforms.

·      Advanced knowledge of multithreading, memory optimization, or compiler construction.

·      Educational background from Tier-I or Tier-II institutions with strong computer science fundamentals, a passion for scalable system design, and a drive to build cutting-edge fintech infrastructure.

What We Offer

·      Opportunity to shape the backend architecture of a next-gen fintech startup.

·      A collaborative, technically driven culture.

·      Competitive compensation with performance-based bonuses.

·      Flexible working hours and a remote-friendly environment for candidates across the globe.

·      Exposure to financial modeling, trading infrastructure, and real-time applications.

·      Collaboration with a world-class team from Pomona, UCLA, Harvey Mudd, and Claremont McKenna.

Ideal Candidate

You’re a backend-first thinker who’s obsessed with reliability, latency, and architectural flexibility. You enjoy building scalable systems that transform complex strategy logic into high-performance, real-time trading actions. You think in microseconds, architect for fault tolerance, and build APIs designed for developer extensibility.

Who are we?  

Whatfix is the #1 Digital Adoption Platform (DAP) for Enterprises. We are disrupting the way Learning, Training and Application Support content is consumed. We provide large enterprises with a SaaS platform that helps accelerate product adoption and reduce support & training efforts by providing contextual and step by step guidance inside any web application at the exact time a task is being performed. The product has redefined the way companies onboard, train, and provide support to users. 

What sets us apart from the rest?

With over 100 of the Fortune 500 companies already onboard as customers, Whatfix has been named among the top 20 B2B tech companies alongside the likes of Adobe, PayPal, and Cisco.

With a YoY growth of 300%, we have also been recognized among the top 50 fastest growing SaaS companies worldwide in the SaaS 1000 list and as a Market Leader by Gartner in the Digital Adoption space. 

We are pleased to have an Employee rating of 4.6 on Glassdoor and our Customer obsession can be seen in our reviews on platforms like G2 Crowd & Gartner Peer Insights.

The employees are happy, the customers are happy, but what about the investors? Take a look for yourself - Sequoia Capital || Stellaris || Cisco || Eight Roads || Helion Ventures

“Hustle Mode ON” is something we live by.

We are looking for a skilled Web Developer to join our growing team. As a Web Developer, you will be responsible for designing and developing responsive and dynamic web applications using PHP, HTML, CSS, JavaScript, and various front-end technologies.

Responsibilities:

• Design and develop dynamic and responsive web applications using PHP, HTML, CSS, JavaScript, and various front-end technologies.
• Work closely with cross-functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code.
• Ensure the performance, quality, and responsiveness of web applications.
• Debug and troubleshoot issues, and fix bugs in a timely manner.
• Write unit tests to ensure code quality and stability.
• Use strong problem-solving skills to tackle complex technical challenges.
• Stay up-to-date with the latest industry trends and technologies.

Requirements:

• Bachelor's degree in Computer Science or a related field.
• 2 to 4 years of experience in full-stack web development.
• Strong knowledge of HTML, CSS, JavaScript, wordpress add PHP.
• Strong problem-solving and analytical skills.
• Ability to work in a fast-paced and dynamic environment.
• Excellent communication and interpersonal skills.
• Good to have AWS knowledge

We are an equal-opportunity employer and value diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Job Description

·       Strong Core Java / C++ experience with Strong Handson Coding

·       Excellent understanding of Logical ,Object-oriented design patterns, algorithms and data structures.

·       Sound knowledge of application access methods including authentication mechanisms, API quota limits, as well as different endpoint REST, Java etc

·       Strong exp in databases - not just a SQL Programmer but with knowledge of DB internals

·       Sound knowledge of Cloud database available as service is plus (RDS, CloudSQL, Google BigQuery, Snowflake )

·       Experience working in any cloud environment and microservices based architecture utilizing GCP, Kubernetes, Docker, CircleCI, Azure or similar technologies

• Tie up with Pharmacies for execution of customer orders   
• Get company agreement signed by pharmacies in specified timelines.  
• Train Pharmacies on the process for receiving, processing and execution of App orders  
• Coordinate with call centre team for resolving execution issues of partner pharmacies  
• Manage payment settlement with partner pharmacies  

• Ensure timely submission of reports by partner pharmacies like GMV, product wise sale report, etc.

What You Need for this Position:

B.tech/BE/MS/MCA/BCA Degree in Computer Science, Engineering or a related subject
3+ years of experience using Swift to develop and deliver production applications for iOS
Strong understanding of the fundamentals of native development patterns
Experience with ios app testing and security, including writing unit tests, test automation, and working closely with quality assurance teams
Experience with dependency management tools such as Cocoapods, SPM, and Carthage
Debugging experience with stack traces, spin traces, performance & concurrency/threading issues
Successful launch of consumer-grade applications to the Apple App Store
Experience with Git VCS and best practices for source code management
Proven experience with crafting and integrating client-side REST APIs
Familiarity with CI/CD Pipelines (Jenkins, FastLane and others)
Excellent written and verbal communication skills
Self-motivated, and outstanding analytical skills


What You Will Be Doing:

We're a small, fast-paced growing team tackling huge new challenges every day
Learning new concepts while working with an intellectual and exceptionally talented team
Friendly and high growth work environment
Competitive compensation

• Over 6 - 12 years of experience in software testing and test automation
• Minimum 2 years of experience working in agile projects
• In depth knowledge of test automation using Selenium
• Good knowledge in web service testing using Rest Assured
• Experience in development of test automation framework as Data driven/Keyword driven/Hybrid/POM. Should have developed 1 or more automation frameworks from scratch.
• Highly motivated, with a proven ability to work on own initiative within a challenging work environment.
• Strong team player with good organization, planning and leadership skills
• Excellent interpersonal skills, including oral/written communication & influencing skills
• Exceptional presentation, business writing and professional standards Good analytical, diagnostic and creative problem solving skills.
• Atleast one project experience in E-Commerce Domain.
• Must Have - Automation with Java, test framework, QA process & tools like Selenium, Jenkins, Maven, API testing, RESTAssured.
• Good to have Spring Boot.
• Good to have WebTestClient.

• Excellent customer service skills, including maintaining focus on the customer issue in a fastpaced environment
• Ability to empathize with and prioritize customer needs
• Demonstrates interpersonal skills with a diverse customer base
• Demonstrates conflict resolution, negotiation, and de-escalation skills
• Demonstrates ownership to resolve challenging customer issues, escalating when necessary
• Ability to determine customer needs and provide appropriate solutions
• Maintain regular and reliable attendance, including the daily schedule as assigned