Fullstack Developer

Responsibilities:

• Develop and maintain high-quality, efficient, and scalable backend applications.
• Participate in all phases of the software development lifecycle (SDLC)
• Write clean, well-documented, and testable code adhering to best practices.
• Collaborate with team members to ensure the successful delivery of projects.
• Debug and troubleshoot complex technical problems.
• Identify and implement performance optimizations.
• Participate in code reviews
• Hands-on experience with Springboot, Java 8 and above.
• 2-5 years of experience developing Java applications.
• Knowledge about at least one messaging system like Kafka, RabbitMQ etc.
• Required React developer requirements, qualifications & skills:
• Proficiency in React.js and its core principles
• Strong JavaScript, HTML5, and CSS3 skills
• Experience with popular React.js workflows (such as Redux)
• Strong understanding of object-oriented programming (OOP) principles.
• Experience with design patterns and best practices for Java development.
• Proficient in unit testing frameworks (e.g., JUnit).
• Experience with build automation tools (e.g., Maven, Gradle).
• Experience with version control systems (e.g., Git).
• Experience with one of these databases – Postgres, MongoDb, Cassandra
• Knowledge on Retail or OMS is a plus.
• Experienced in containerized deployments using Docker, Kubernetes and DevOps mindset
• Ability to reverse engineer existing/legacy and document findings on confluence.
• Create automated tests for unit, integration, regression, performance, and functional testing, to meet established expectations and acceptance criteria.

At Wendor, we’re transforming the vending industry in India with our in-house designed, tech-enabled smart vending machines — already live in 70+ cities and expanding rapidly. We’re a focused, fast-growing team where everyone takes ownership and moves with purpose.

We are looking for a Senior Software Engineer to take end-to-end ownership of the software powering Wendor’s smart vending machines. In this role, you will architect and develop robust full-stack applications, integrate low-level systems on Linux, and lead a team of engineers to build scalable, real-time software solutions.

Your work will directly impact how users interact with our machines across 70+ cities. This is a hands-on role where you’ll collaborate with cross-functional teams, solve complex technical challenges, and contribute to innovations that push the boundaries of smart retail automation.

Key Responsibility:

● Develop and maintain full-stack applications (using technologies Node.js, React) to support Wendor's smart vending ecosystem, ensuring seamless frontend and backend functionality.

● Work on low-level integrations with vending hardware, optimizing performance and stability on Linux-based systems.

● Build and manage scalable backend services and RESTful APIs to handle real-time data, payments, and machine operations.

● Lead and mentor a team of 3–4 software engineers, conducting code reviews, guiding technical decisions, and ensuring timely deliveries.

● Write efficient SQL queries and manage data flow between services and databases to ensure reliability and responsiveness of the platform. ● Ideate, prototype, and implement new features, tools, or automations to improve product performance and internal processes.

● Collaborate with cross-functional teams including hardware, product, design, and operations to deliver integrated solutions.

● Ensure system reliability, performance, and uptime for software running on live vending machines across India.

● Maintain code quality through unit tests, integration tests, and E2E testing practices, following modern software engineering standards.

● Stay updated with emerging tech trends to help Wendor innovate faster and smarter.

Requirements:

● Proven experience as a Senior Software Engineer or similar role.

● Strong customer-centric mindset with a commitment to product excellence.

● Expertise in full-stack development (frontend + backend technologies).

● Ability to write clean, maintainable, and well-documented code.

● Passion for innovation, scalability, and problem-solving.

● Location- Gurugram(On-site).

About Vyapar:

We are a technology and innovation company in the fintech space, delivering business accounting software to Micro, Small & Medium Enterprises (MSMEs). With more than 5 Million users across 140 countries, we are one of the fastest growing companies in this space. We take the complexity out of invoicing, inventory management & accounting, making it so simple, such that small businesses can spend less time on manual bookkeeping and spend more time focusing on areas of business that matter.

Role Summary:

Vyapar's Engineering team builds the technology platform that eases and digitizes our customers' bookkeeping and enables the transition of cumbersome accounting data from general bookkeeping to a digitized always available resource.

The Javascript engineer will be responsible for the developing features in Vyapar application. Strong understanding of HTML, CSS, JavaScript, Responsive design, JQuery, React, database etc. concepts is critical

Key Responsibilities:

• Translate designs and wireframes into high-quality code.
• Design, build and maintain high performance, reusable, and reliable code.
• Ensure the best possible performance, quality, and responsiveness of the application.
• Use of complex algorithm to build the business requirements.
• Help maintain code quality, organization, and automatization.
• Ability to understand business requirements and translate them into technical requirements

Desired Skills And Requirements

Must have

• Strong JavaScript
• HTML, CSS 
• React/Angular/JQuery/Vue
• Problem-solving skills, and Data Structures.
• Strong knowledge of SQL database or RDBMS.

Good to have

• Familiarity with RESTful APIs to connect applications to back-end services.
• Strong knowledge of Web UI design principles, patterns, and best practices.
• Experience with offline storage and performance tuning.
• Experience and understanding of database concepts and sql queries.
• Familiarity with cloud message APIs and push notifications.
• Familiarity with continuous integration.
• A knack for benchmarking and optimization.

Experience:

• Minimum 4 years of experience in JavaScript
• Minimum 3 years of experience in HTML, CSS
• Minimum 3 years of experience in SQL/ RDBMS.

Education:

• A full-time B.E/ B.Tech Degree from a recognized university.

Requirements:

·       Bachelor's degree in Computer Science, Software Engineering, or related field (or equivalent experience).

·       Minimum of 4 years of professional Python development experience.

·       Strong expertise in Django framework and its ecosystem.

·       Proficiency in web development technologies such as HTML, CSS, JavaScript, and front-end frameworks.

·       Experience with database systems like PostgreSQL, MySQL, or MongoDB.

·       Knowledge of RESTful API design and integration.

·       Familiarity with version control systems, especially Git.

·       Excellent problem-solving and debugging skills.

·       Strong communication and collaboration skills.

·       Self-motivated and able to work independently or in a team.

·       Experience with React.js and Docker is a plus.

Job Description

• Gather and analyse information on existing business processes in order to make
• recommendations that seek to improve business systems and processes.
• Analyse and document requirements for enhancements to systems and / or business
• processes. May involve investigation of third-party vendors or systems.
• Clearly document solutions and recommendations to business problems
• Review requirements and designs with relevant stakeholders to obtain agreement and sign off proposals.
• Create cost and time estimates along with project plans to enable prioritization and execution of work.
• Assist and/or coordinate user testing, ensuring issues are resolved in a pragmatic and appropriate manner.
• Assist the design and implementation of ongoing support arrangements for delivered systems.
• Work as part of a project team, reporting progress and escalating issues to project management in a timely manner to ensure successful completion of projects / reviews.
• Complete all tasks related to technical analysis, building and unit testing, quality assurance,
• system test and implementation in accordance with the IT development life cycle.
• Provide post implementation support.
• Create and maintain documentation for systems and processes.
• Adhere to standards set by the Invesco project methodology.
• Contribute the improvement of the existing processes.
• Assist with developing improvements to team processes and procedures.
• Provide On Call support for systems based on agreed coverage timeframe.

• 5-6 years of ASP.NET, C#, HTML5, CSS3, JavaScript and SQL Server, AWS and Microservices
• 3+ years technical leadership and architecture experience in software development
• 4+ years working in SQL-backed environments.
• 3+ knowledge of client-side JavaScript frameworks like React and Redux
• In depth knowledge of REST services (WCF, Web API, Microservices)
• In depth knowledge of Solid work experience in building SaaS based products.
• Experience and clear understanding of how to plan and execute within iterations and sprints.
• Experience working in an Agile/Scrum development process.
• Innovative, challenging programming work in the Microsoft stack, with SQL Server as a back end
• Ability to work independently with the knowledge and capability to come in and make an immediate impact.
• Experience working in a sprint-driven development process.

• Web Apps built with .NET, using both Web Forms and MVC
• APIs built on .NET (C# / REST services)
• SQL Server 2014
• Cloud : AWS
• UI: in depth knowledge on client side JavaScript framework like React
• Experience on DevOps tools

• FORMAL EDUCATION:
• A Bachelor’s Degree in Management Information Systems or Computer Science is preferred or
• commensurate relevant work experience

Position: Technical Architect

Location: Hyderabad

 Experience: 6+ years

Job Summary:

We are looking for an experienced Technical Architect with a strong background in Python, Node.js, and React to lead the design and development of complex and scalable software solutions. The ideal candidate will possess exceptional technical skills, a deep understanding of software architecture principles, and a proven track record of successfully delivering high-quality projects. You should be capable of leading a cross-functional team that's responsible for the full software development life cycle, from conception to deployment with Agile methodologies.

Responsibilities:

●       Lead the design, development, and deployment of software solutions, ensuring architectural integrity and high performance.

●       Collaborate with cross-functional teams, including developers, designers, and product managers, to define technical requirements and create effective solutions.

●       Provide technical guidance and mentorship to development teams, ensuring best practices and coding standards are followed.

●       Evaluate and recommend appropriate technologies, frameworks, and tools to achieve project goals.

●       Drive continuous improvement by staying updated with industry trends, emerging technologies, and best practices.

●       Conduct code reviews, identify areas of improvement, and promote a culture of excellence in software development.

●       Participate in architectural discussions, making strategic decisions and aligning technical solutions with business objectives.

●       Troubleshoot and resolve complex technical issues, ensuring optimal performance and reliability of software applications.

●       Collaborate with stakeholders to gather and analyze requirements, translating them into technical specifications.

●       Define and enforce architectural patterns, ensuring scalability, security, and maintainability of systems.

●       Lead efforts to refactor and optimize existing codebase, enhancing performance and maintainability.

Qualifications:

●       Bachelor's degree in Computer Science, Software Engineering, or a related field. Master's degree is a plus.

●       Minimum of 8 years of experience in software development with a focus on Python, Node.js, and React.

●       Proven experience as a Technical Architect, leading the design and development of complex software systems.

●       Strong expertise in software architecture principles, design patterns, and best practices.

●       Extensive hands-on experience with Python, Node.js, and React, including designing and implementing scalable applications.

●       Solid understanding of microservices architecture, RESTful APIs, and cloud technologies (AWS, GCP, or Azure).

●       Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.

●       Should create automation test cases and unit test cases (optional)

●       Proficiency in database design, optimization, and data modeling.

●       Experience with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes).

●       Excellent problem-solving skills and the ability to troubleshoot complex technical issues.

●       Strong communication skills, both written and verbal, with the ability to effectively interact with cross-functional teams.

●       Prior experience in mentoring and coaching development teams.

●       Strong leadership qualities with a passion for technology innovation.

●        have experience in using Linux-based development environments using GitHub and CI/CD

●       Atlassian stack (JIRA/Confluence)

• Design and construction of platform with the best possible encryption and security mechanisms
• Compare different design options and take technology-driven design decision
• Define Data model/Information model
• Define services and convert functional requirements to design
• Define APIs and implement them
• Build front end based on user experience design
• Test and Debug as required
• Write Technical Documentation
• Optimize code and design for Performance
• Design and implementation of continuous integration and deployment pipelines

Expected Qualifications and Key Skills

• Working experience in Spring, Spring-boot or equivalent, Hibernate or equivalent persistence framework.
• Working experience of No SQL databases such as MongoDB or equivalent
• Working experience of setting up Production environment including SSL certificates, logging, backup, archival, etc.
• Working experience of JavaScript frameworks such as React JS, JQuery, etc.
• Working experience of API gateways and Web services such as REST
• Working experience of using GIT
• Working experience of a dev-ops tool such as Jenkins
• Deployment experience on Azure/AWS
• Microservices design and development
• Excellent understanding of Data Structures and Algorithms
• Understanding of OOP and Design Patterns
• Works well in a team setting
• Can multitask, adapt to shifting priorities, detail-oriented
• Good work ethic, including a sense of individual responsibility
• Comfortable working on changing requirements in a growing company
• Must be analytical, flexible, innovative, and self-motivated
• Experience with payment platforms and processors would be a plus

We are looking for a full-stack Javascript developer mainly with Javascript Frameworks (React, Angular) and NodeJS skillset.

As a Frontend JS Developer, you will be required to implement a complete user interface in the form of a mobile and desktop web app, with a focus on performance.

As a NodeJS developer, you will need to focus on the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end.

Responsibilities

• Participate in the full development life cycle, including implementing design, coding, testing and production release

• Your main duties will include creating modules and components in React and coupling them together into a functional app.

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

• Integration of multiple data sources and databases into one system

• Creating database schemas that represent and support business processes

• Drive innovation through rapid prototyping and iterative development

Qualifications

• Passionate about developing amazing user experiences

• Strong proficiency with JavaScript (Object Oriented)

• At least 1 year of experience working in MEAN or MERN stack - i.e. React/Angular and Nodejs

• Deep knowledge of Frontend Application practices and commonly used modules based on extensive work experience along with Node.js applications on top of RESTful APIs

• Experience with web frontend technologies such as HTML5, CSS3,  Bootstrap

• Proficient understanding of code versioning tools, such as Git is a plus

• Knowledge Experience in building ionic/hybrid apps is a huge positive

What we are looking for?

• At least 3 years of experience of development on full-stack applications
• Experience with usage of NoSQL databases like MongoDB
• Familiarity with SQL and RDBMS Systems
• Experience in creating applications with NodeJS and MERN stack
• Experience with developing frontend interfaces using React framework
• Experience in creating responsive frontend applications
• Able to use versioning systems like Github or Gitlab
• Understanding of basic tools provided by AWS and their configuration
• Understanding of Unix bases operating systems, ability to configure them for optimum usage
• Experience in basic command-line utilities and shell scripting language
• Understanding of rest API implementation
• Ability to script quickly with Python for writing ad hoc jobs

What you will be working on?

• Leading a team of engineers
• Working on creating performant and fault-tolerant systems which are scalable
• Design, build and maintain high performance, reusable, and reliable Typescript code
• Effectively work with product to gather requirements, gain a deep understanding of use cases and business needs, and translate into design and implementation.
• Maintain code integrity and organization.
• Manage basic DevOps related to CI/CD
• Creating secure systems
• Lead other junior developers
• Define optimal and minimal architecture to achieve product requirements

Merkle|Sokrati, a leader in Paid Search & Social Advertising, provides a sophisticated technology solution to efficiently manage Digital Marketing campaigns for several brands in India. The technology developed takes a beating of serving and tracking 20M+ impressions a day. It runs crunching algorithms and keyword discovery routines using distributed computing, housing the entire data in distributed caches and sharded MySQL databases.

To be a geek at Merkle|Sokrati you need to know how to build scalable and high-performance systems. Nothing at Sokrati is small. We start with a proof of concept that demands a traffic rate of 10M+! To achieve any of this you need to understand Distributed Systems, Distributed Caching, High-scale Databases. And we possess the skills to create software that makes this entire heterogeneous system function together even if it runs on 100 boxes. A system that is so widely used cannot sustain any downtime and hence it uses elegant high-availability techniques to survive an outage. Not many startups can say “been there, done that”!

@Merkle|Sokrati, you will:

• Implement solutions for broadly defined problems
• Drive best practices and engineering excellence
• Be involved in the development of code in object-oriented languages like Java etc and build large scale robust distributed systems
• Be involved in full fledged product development.
• Build New Features, Push them to production fast.
• Debug production issues across services and levels of the stack
• Build services or APIs which will for easy application integrations at Sokrati to develop applications faster.
• Build scalable/fault-tolerant backend systems that process and analyze billions of data points every day.

You'd fit right in if you have:

• 2-4 years of experience in building successful production software systems
• A solid grounding in Computer Science fundamentals (based on a BE/BTech or MS in Computer Science)
• Experience developing software services and an understanding of design for scalability, performance and reliability.
• Mastery of the tools of the trade, including a variety of modern programming languages (Python, Java, JavaScript, C/C++) and open-source technologies (Linux, Spring)
• Proven ability to work in a fast paced, agile and in an ownership and results oriented culture

If you are excited about:

• Having an unmatched startup experience that allows you to work on bleeding-edge technologies.
• Making a splash in a multi-billion dollar Digital Advertising industry
• Learning & Growing far beyond your current horizon
• A place full of like-minded & ridiculously smart folks
• A start-up culture that you'd cherish forever in your work life

Feel like you are a good fit? We would love to hear from you!