Backend Developer (node.js or Python)

• Develop, test, and maintain server-side applications using Node.js and related technologies.
• Design and implement RESTful APIs and microservices architecture to support frontend functionality.
• Collaborate with cross-functional teams to understand business needs and translate them into technical solutions.
• Optimize application performance, ensuring scalability and reliability.
• Conduct code reviews, mentor junior developers, and ensure adherence to best practices.
• Stay updated with emerging backend technologies and methodologies to improve development processes.

Mandatory

• SaaS experience of 2 years with total development experience of 4 years
• Must have worked in a smaller company of less than 100
• Should have built solutions/softwares end to end and not just as a part of bigger team
• Should see themselves going deeper into the same role even 5 years down the line
• Should have knowledge on Node.js, MongoDB, and AWS
• Strong understanding of asynchronous programming, event-driven architecture, and Node.js design patterns.
• Proficiency in working with databases such as PostgreSQL, MongoDB, or MySQL.
• Experience with API development, including RESTful services and microservices.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
• Strong problem-solving skills and the ability to debug complex server-side issues.

Essential

• Proficiency with version control systems like Git.
• Experience with CI/CD pipelines and deployment automation.
• Knowledge of system design and scalable architecture.
• Understanding of security best practices and implementing secure APIs.

Good to Have

• Experience with GraphQL and related backend technologies.
• Knowledge of containerization and orchestration tools like Docker and Kubernetes.
• Familiarity with message brokers like RabbitMQ or Kafka.
• Experience with platforms like Shopify, BigCommerce, or other e-commerce technologies.
• Exposure to frontend technologies such as React for better cross-functional collaboration.

K One Ventures is a leading technology company focused on delivering scalable and high performance solutions. Our flagship product, SchoolBellQ, is an advanced ERP system designed to simplify school management operations. As we continue to grow, we are looking for a skilled Node.js Developer to enhance our backend systems and contribute to building robust, scalable applications.

Job Summary:

We are seeking a Node.js Developer with 1-2 years of experience to design, develop, and maintain scalable backend applications. The ideal candidate will work closely with frontend developers, DevOps engineers, and product teams to deliver high-performance solutions.

Key Responsibilities:

• Develop and maintain scalable, high-performance backend services using Node.js & Express.js.
• Design, build, and optimize RESTful and GraphQL APIs.
• Ensure secure authentication and authorization (JWT, OAuth).
• 
  

Database Management & Optimization:

• Work with databases like MongoDB, PostgreSQL, or MySQL to ensure data integrity and efficiency.
• Write efficient queries and optimize database performance.
• Implement caching mechanisms using Redis or similar technologies.
• 
  

Database Management & Optimization:

• Work with databases like MongoDB, PostgreSQL, or MySQL to ensure data integrity and efficiency.
• Write efficient queries and optimize database performance.
• Implement caching mechanisms using Redis or similar technologies.

Collaboration & Agile Development

• Work closely with frontend teams to ensure smooth API integration. reviews.
• Collaborate with DevOps engineers for deployment, monitoring, and CI/CD pipelines.
• Participate in Scrum/Agile ceremonies, including stand-ups, sprint planning, and code

Security, Deployment & Cloud Integration

• Ensure application security and handle vulnerabilities following best security practices

Required Skills & Experience:

Primary Skills:

• 1+ years of backend development experience using Node.js & Express.js.
• Strong proficiency in JavaScript, TypeScript, and asynchronous programming.
• Experience with MongoDB, PostgreSQL, or MySQL.
• RESTful API and GraphQL development knowledge.
• Strong debugging and troubleshooting skills.

Additional Expertise:

• Experience in SaaS or ERP backend development is a plus.
• Strong debugging and troubleshooting skills.
• Good communication skills and problem-solving abilities.

Preferred Qualifications:

• B.Tech / B.E / MCA or relevant technical degree.
• Prior experience in SaaS or ERP systems is an advantage.

Why Join K One Ventures?

• Be part of a growing team working on cutting-edge backend technologies.
• Contribute to a next-gen ERP solution for schools.
• Work in a collaborative & dynamic environment.
• Growth & learning opportunities with exposure to scalable cloud applications.

Experience – 1-2 yrs

Qualification- MCA /B. Tech.

Job Nature - Permanent

Skills - PHP,Laravel, Codeigniter, MySQL, HTML5, CSS3, JavaScript with ES6, Ajax,Theme development & Plugin 

Working days - 5

Job location- Lucknow

 Responsibilities:

•        Developing and maintaining high-performing, scalable, and robust themes and plugins.
•        Implementing different aspects of coding standards for JavaScript, PHP, and WordPress.
•        Understanding the project requirements, preparing the flow, and planning the solution to accomplish the job optimally.
•        Designing and implementing new features and functionality.
•        Establishing and guiding the website’s architecture and custom requirements.
•        Ensure high performance and availability, and manage all technical aspects of the CMS.
•        Must be able to create themes and plugins from scratch by following WordPress theme and plugin development standards.
•        Strong understanding of Backend technologies, including PHP, OOP concepts, Ajax, and API integrations.
•        Strong understanding of front-end technologies, including HTML5, CSS3, JavaScript, and jQuery.
•        In-depth experience with WordPress terminologies like Post, Page, Category, Tags, Template hierarchy, etc.
•        Excellent problem-solving and learning skills.
•        Experience in working with WooCommerce and its add-ons, developing payment gateways, shipping, tax solutions, and REST API integrations.
•        Have a deep understanding of WordPress database structure, built-in queries, and security practices.
•        Comfortable working with debugging tools like Firebug, Chrome Inspector, etc.

Good to Have :

•        Experience working with WordPress Multisite development
•        Proficient understanding of code versioning tools such as Git, BitBucket, SVN, and Mercurial.
•        Have worked with 3rd party API integrations with WordPress via plugins and themes.
•        Knowledge of how to interact with RESTful APIs and formats (JSON, XML)
•        Knowledge of WPRest API and WP-CLI
•        Package management tools like NPM and Composer

Join an innovative and groundbreaking cybersecurity startup focused on helping customers identify, mitigate, and protect against ever-evolving cyber threats. With the current geopolitical climate, organizations need to stay ahead of malicious threat actors as well as nation-state actors. Cybersecurity teams are getting overwhelmed, and they need intelligent systems to help them focus on addressing the biggest and current risks first.

We help organizations protect their assets and customer data by continuously evaluating the new threats and risks to their cloud environment. This will, in turn, help mitigate the high-priority threats quickly so that the engineers can spend more time innovating and providing value to their customers.

About the Engineering Team:

We have several decades of experience working in the security industry, having worked on some of the most cutting-edge security technology that helped protect millions of customers. We have built technologies from the ground up, partnered with the industry on innovation, and helped customers with some of the most stringent requirements. We leverage industry and academic experts and veterans for their unique insight. Security technology includes all facets of software engineering work from data analytics and visualization, AI/ML processing, highly distributed and available services with real-time monitoring, integration with various other services, including protocol-level work. You will be learning from some of the best engineering talent with multi-cloud expertise.

We are looking for a highly experienced Principal Software Engineer to lead the development and scaling of our backend systems. The ideal candidate will have extensive experience in distributed systems, database management, Kubernetes, and cloud technologies. As a key technical leader, you will design, implement, and optimize critical backend services, working closely with cross-functional teams to ensure system reliability, scalability, and performance.

Key Responsibilities:

• Architect and Develop Distributed Systems: Design and implement scalable, distributed systems using microservices architecture. Expertise in both synchronous (REST/gRPC) and asynchronous communication patterns (message queues, Kafka), with a strong emphasis on building resilient services that can handle large data and maintain high throughput. Craft cloud solutions tailored to specific needs, choosing appropriate AWS services and optimizing resource utilization to ensure performance and high availability.
• Database Architecture & Optimization: Lead efforts to design and manage databases with a focus on scaling, replication, query optimization, and managing large datasets.
• Performance & Reliability: Engage in continuous learning and innovation to improve customer satisfaction. Embrace accountability and respond promptly to service issues to maintain and enhance system health. Ensure the backend systems meet high standards for performance, reliability, and scalability, identifying and solving bottlenecks and architectural challenges by leveraging various observability tools (such as Prometheus and Grafana).
• Leadership & Mentorship: Provide technical leadership and mentorship to other engineers, guiding architecture decisions, reviewing code, and helping to build a strong engineering culture. Stay abreast of the latest industry trends in cloud technology, adopting best practices to continuously improve our services and security measures.

Key Qualifications:

• Experience: 8+ years of experience in backend engineering, with at least 5 years of experience in building distributed systems.
• Technical Expertise:
• Distributed Systems: Extensive experience with microservices architecture, working with both synchronous (REST, gRPC) and asynchronous patterns (SNS, SNQ). Strong understanding of service-to-service authentication and authorization, API rate limiting, and other critical aspects of scalable systems.
• Database: Expertise in database technologies with experience working with large datasets, optimizing queries, handling replication, and creating views for performance. Hands-on experience with relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., DynamoDB, Cassandra). Expertise in various database technologies and deep experience with creating data models that provide consistent data views to the customer while data is being morphed, handling data migrations, and ensuring data integrity and high availability.
• Kubernetes: In-depth knowledge of Kubernetes, with experience deploying and managing services in Kubernetes clusters (EKS, AKS). Strong understanding of pods, services, networking, and scaling applications within Kubernetes environments.
• Golang: Proven experience using Golang as the primary programming language for backend development. Deep understanding of concurrency, performance optimization, and scalability in Golang applications.
• Cloud Technologies: Strong hands-on experience with AWS services (EC2, S3, DynamoDB, Lambda, RDS, EKS). Experience in designing and optimizing cloud-based architectures for large-scale distributed systems.
• Problem Solver: Strong problem-solving and debugging skills, with a proven ability to design and optimize complex systems.
• Leadership: Experience in leading engineering teams, guiding architectural decisions, and mentoring junior engineers.

Preferred Skills:

• Experience with infrastructure as code (Terraform, CloudFormation).
• Knowledge of GitHub-based CI/CD tools and best practices.
• Experience with monitoring and logging tools (Prometheus, Grafana, ELK).
• Cybersecurity experience.

Job Requirements:       

·        Bachelor’s degree (minimum) in Computer Science or Engineering.

·        Minimum 5 years of experience working as a senior–level Software Engineer

·        Excellent programming and debugging skills in RoR and Python

·        Experience in web development and automation

·        Experience developing on Windows and Linux systems 

Although not required, the following are a plus: 

·        Experience working with Build scripts, Shell scripts, Makefiles

·        Experience with Jenkins and other CI/CD tools

·        Knowledge of RESTful web services and docker

Role: Senior Software Engineer – Backend                                            Location: Bangalore / Gurgaon / Pune

About the Role

The successful backend engineer will work closely and collaboratively with cross functional teams during all phases of the software development lifecycle.

The incumbent should be competent to provide quick solutions to problems and taking a product or a product’s component through the entire life cycle, optimize the space / time complexity and improve on usability and reliability.

What you’ll be doing:

• Bachelor's degree in Computer Science or related field from top notch colleges 
• 4 + years of software development engineering.
• Understanding of fundamental design principles (including MVC).
• Good hands on in AWS scalable environment.
• Experience with different RDBMS and No SQL databases like MySQL, mongo, etc.
• Experience in designing scalable micro-services required.
• Strong knowledge of CS fundamentals including data structures, algorithm design and complexity analysis.
• Proficiency in one language that emphasizes class abstractions (for e.g. Java) and have coded in it for at least 4 years.
• Excellent communication, analytical and problem solving skills.
• Strong organizational skills and the ability to prioritize and work with clients with great efficiency.
• Excellent written and oral communication and presentation skills and the ability to express thoughts logically and succinctly.
• Open minded, Team builder, Good communicator and ability to lead and inspire teams.
• Demonstrated ability to achieve stretch goals in a highly innovative and fast paced environment.
• Experience in dealing with ambiguous/undefined problems; ability to think abstractly

What are we looking for?

• 4 to 10 years of hands on design / development experience. 
• Tech / M.Tech Computer Science or equivalent field from a premier institutes. 
• Proficient in Java OR C/C++, data structures, algorithms and OO design / design patterns. 
• Strong understanding of Computer Science fundamentals. 
• Technical depth in OS, computer architecture and OS internals. 
• Ability to write scalable and maintainable code. 
• Self-starter and goal-oriented with strong analytical and problem-solving skills. 
• Must be able to work cooperatively within a strong diverse technical community to expedite development tasks.
• Experience in Machine Learning is a plus

 
What we offer

• Competitive salary and excellent benefits, in a diverse working environment with inspiring and hardworking colleagues
• A positive, get-things-done workplace.
• An inclusive environment that ensures we listen to a diverse range of voices when making decisions.
• Ability to learn cutting edge concepts and innovation in an agile start-up environment with a global scale.
• A flexible working environment where you can drive your outcomes.

About us

At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high growth markets the financial services and products they need to thrive. Our expertise in 18+ high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs to offering credit to underserved individuals, to helping merchants buy, sell, and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more at www.payu.com

Our Commitment to Building A Diverse and Inclusive Workforce

As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive, and safe environment, for all our people, communities, and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility, and unbiased attention to every PayUneer so they can succeed, irrespective of gender, color, or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities, or the LGBTQ communities.