Senior Software Engineer

We are seeking a skilled and motivated Software Engineer with over 3 years of experience in designing and developing web-based applications using Node.js.

Key Responsibilities

• Design, develop, and maintain web-based applications using Node.js.
• Build scalable, high-performance RESTful APIs using Express.js or Restify frameworks.
• Develop and maintain robust SQL database systems, leveraging Sequelize ORM.
• Ensure responsiveness of applications across various devices and platforms.
• Collaborate with cross-functional teams during the product development lifecycle, including prototyping, hardening, and testing phases.
• Work with real-time communication technologies and ensure seamless integration.
• Learn and adapt to alternative technologies as needed to meet project requirements.

Required Skills & Experience

• 3+ years of experience in web application development using Node.js.
• Proficiency with frameworks such as Express.js or Restify.
• Strong expertise in SQL databases and experience with Sequelize ORM.
• In-depth understanding of JavaScript, browser technologies, and real-time communication.
• Hands-on experience in developing responsive web applications.
• Experience with React Native (a plus).
• Proficiency in Java.
• Familiarity with product development lifecycle, including prototyping, testing, and deployment.

Additional Skills & Experience

• Experience with NoSQL databases such as MongoDB or Cassandra.
• Knowledge of internationalization (i18n) and latest UI/UX design trends.
• Familiarity with JavaScript libraries/frameworks like ReactJS or VueJS.
• Experience integrating payment gateways for various countries.
• Strong communication skills and ability to facilitate group discussions effectively.
• Eagerness to contribute to product functionality and user experience designs.

Education Requirements

• Bachelor's or Master's degree in Computer Science or a related field.

Role Overview

Zolvit is seeking a Node.js Backend Lead Engineer to lead our engineering efforts in building scalable systems with a microservices architecture. The ideal candidate will have 7+ years of experience in backend development, platformization expertise, and the ability to mentor junior engineers. You will play a key role in driving architectural decisions, ensuring system scalability, and fostering a strong engineering culture. 

Responsibilities

• Design and implement scalable backend systems using Node.js and microservices architecture. 
• Lead the development of platform components to enable efficient code reuse, modularity, and scalability. 
• Collaborate with stakeholders to define system architecture and technical roadmap.
• Design and build solutions using event-driven architecture and middleware such as Kafka. 
• Develop and maintain SQL and NoSQL databases, ensuring optimal performance and scalability. 
• Define and implement high-level and low-level designs, documenting key decisions and ensuring junior engineers understand the architecture. 
• Mentor junior engineers, conduct code reviews, and promote best practices in coding, design, and system architecture. 
• Lead technical discussions, participate in hiring processes, and contribute to building a high-performance engineering team. 
• Implement and maintain CI/CD pipelines to ensure seamless integration and deployment. 
• Leverage AWS services for scalable infrastructure and deployment solutions.

Requirements

• 7+ years of hands-on experience in building scalable backend systems using Node.js.
• Strong understanding of microservices architecture, event-driven systems, and middleware like Kafka. 
• Experience in building platform solutions with a focus on reusability and modularity.
• Proficient in SQL and NoSQL databases with a clear understanding of their tradeoffs.
• Solid knowledge of high-level and low-level system design concepts.
• Proven experience in mentoring engineers, conducting code reviews, and driving engineering excellence. 
• Experience working with CI/CD pipelines and modern DevOps practices.
• Proficient in leveraging AWS services for building scalable infrastructure.
• Strong problem-solving skills, effective communication, and ability to thrive in a fast-paced environment. 

What We Offer

• Opportunity to lead technical initiatives and shape the platform architecture.
• Work on cutting-edge technologies with a team that values innovation and engineering excellence. 
• A collaborative environment where mentorship and growth are highly encouraged.
• Competitive compensation and growth opportunities aligned with your contributions.

Core Experience:

•Experience in Core Java, J2EE, Spring/Spring Boot, Hibernate, Spring REST, Linux, JUnit, Maven, Design Patterns.

• Sound knowledge of RDBMS like MySQL/Postgres, including schema design.

• Exposure to Linux environment.

• Exposure to Docker and Kubernetes.

• Basic Knowledge of Cloud Services of AWS, Azure, GCP cloud provider.

• Proficient in general programming, logic, problem solving, data structures & algorithms

• Good analytical, grasping and problem-solving skills.

Secondary Skills:

• Agile / Scrum Development Experience preferred.

• Comfortable working with a microservices architecture and familiarly with NoSql solutions.

• Experience in Test Driven Development.

• Excellent written and verbal communication skills.

• Hands-on skills in configuration of popular build tools, like Maven and Gradle

• Good knowledge of testing frameworks such as JUnit.

• Good knowledge of coding standards, source code organization and packaging/deploying.

• Good knowledge of current and emerging technologies and trends.

Job Responsibilities:

• Design, Development and Delivery of Java based enterprise-grade applications.

• Ensure best practices, quality and consistency within various design and development phases.

• Develop, test, implement and maintain application software working with established processes.

Work with QA and help them for test automation

• Work with Technical Writer and help them documenting the features you have developing.

Education and Experience:

• Bachelor’s / master’s degree in computer science or information technology or related field

• 3+ years of SDE work experience from Product based companies
• Experience in Java, Spring Boot, MySQL, Kafka, Hbase, AWS
  • Experience in Multi threading, distributed systems, Best practices of coding, scaling

• Must have experience with Amazon Web Services (AWS)
• Experience with Python/Node.JS/Typescript
• At least 2+ years as back-end software developer
• A deep understanding of the benefits of the Microservice and serverless paradigms
• Prepared technical documentation, and understand why it’s important
• Understanding of database principals: SQL and NoSQL
• Collaboration and communication skills (you’ll be working with clients and internal teams)
• An understanding of programming fundamentals (OOP, data structures, algorithms)
• Familiarity and comfort with REST API, Postman
• The ability to work independently or within a team structure.
• A “lead by example” attitude, and motivation to deliver work you’re proud of

As a Senior Software Engineer you have complete ownership of building out the Docexa product along with product people and the rest of the engineering team. This role will act as a great springboard to accelerate career growth & transition into a Tech Lead level role.

Your daily life

• Architecting of the whole platform
• Development of server-side logic
• Building new services and APIs
• Developing core business logic
• Maintenance of current APIs
• Improving the performance and reliability of our systems as we scale

Must-have skills

• You’ve been building web applications professionally for 4+ years
• You’re proficient in PHP 7, Laravel, and PostgreSQL
• You possess strong OOP and design pattern knowledge
• You are familiar with modern technology systems: AWS, load balancers, Kafka queues, caching, etc.
• You write understandable, testable and easy to maintain code
• You’ve the ability to build RESTful APIs
• Explaining complex technical concepts to designers, support team, and fellow engineers is not a problem for you
• Well versed with the fundamentals of computer science and distributed systems

What You’ll Do

• Experience working in eCommerce industry managing high volume applications with an experience of 7 yrs or more. 
• Expertise in application development with IBM (Sterling) Order Management Fulfillment Suite with a minimum of 4 to 5 yrs of experience. 
• Implementation Experience in Sterling order management with versions greater than 9.0 is preferred. Experience in XML, XSD, SOAP and REST services. 
• Expertise in at least one application server; Websphere MQ or JBoss or Weblogic.
• Subject matter expertise in building large-scale retail B2C web applications using Supply Chain and Logistics Systems. 
• IBM Sterling Order Management System Configuration Deployment Toolkit (Sterling CDT), Global Inventory Visibility. Caching technologies is a plus. 
• Comprehensive SDLC experience including strong design skills use of UML, patterns. 
• Agile and waterfall implementation principles and practices. 
• Use of version control management such of SVN, CVS, or GIT. 
• Production environment deployment and maintenance. 
• Provide support in troubleshooting / investigations pertaining to the order management systems. 
• Respond quickly to critical requests. 
• Ability to analyze and design data model. Solid hands-on understanding of DB for the Web environment. 
• Performance tuning and optimization for scalability and high availability. 
• Upgrading experience on IBM Sterling Order Management System to 9.3 or higher is a plus.
• Experience working on Omni Channel Implementations with IBM Sterling OMS is a plus. 
• Exposure towards Cassandra is a plus.  

What You Know

• Set your ECommerce skill set to work, helping to execute business requirements into specific systems, applications, or processes in business-to-consumer (B2C) environments. 
• Showcase your in-depth technical knowledge and functional knowledge in IBM Sterling OMS building confidence at client place. 
• Train and guide new team members on Sterling technical and business concepts. 
• Able to support in design or POC s to solve business problems in IBM Sterling OMS for new client initiatives. 
• Should be excited to work on projects that require both Sterling and Java/J2ee. 
• Build services around Sterling using Java, Rest and SOAP web services. Should be very strong in core Java.
• Should be having fair idea in building unit tests around the code implemented.
• Knowledge on continuous integration is needed.
• You will also ensure that the organization's implementations meet the scalability and reliability required for eCommerce operation, as well as analyze and optimize database and core commerce functions for maximum performance.

Education

• Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience

• BS/MS in Computer Science or Engineering.
• 8+ years of experience in software development in an object-oriented language such as Java, .NET or Node.Js
• Exceptional design, coding, and problem-solving skills, with a bias for architecture at scale.
• Experience with HTML5, JavaScript, TypeScript, front-end technologies like AngularJS, Redux / React and upcoming web technologies.
• Real-world experience developing large scale commercial services with robust performance, resiliency, and telemetry, delivered both Online and OnPrem.
• Strong knowledge of computer science, algorithms, and design patterns.
• Ability to appreciate complex problems with a thorough design.