Full Stack Developer - Server Applications - Node.js

Job Title : Senior Software Engineer (Full Stack Capability)

Experience : 4+ Years

Location : West Patel Nagar, New Delhi

Employment Type : Full-Time

About the Role :

We are looking for a highly skilled Senior Software Engineer with 4+ years of experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have strong backend expertise in Java, Python and Node.js while also being capable of handling frontend development when required.

This role requires excellent problem-solving abilities, ownership mindset, and strong communication skills to collaborate effectively with cross-functional teams and stakeholders.

Key Responsibilities :

• Design, develop, and maintain robust backend applications using Java and Node.js.
• Build and consume RESTful APIs and microservices.
• Develop scalable, secure, and high-performance applications.
• Work with frontend technologies to build and enhance user-facing features.
• Collaborate with product managers, designers, and other developers to deliver business requirements.
• Optimize application performance, troubleshoot issues, and implement best practices.
• Write clean, maintainable, and well-documented code.
• Participate in code reviews and contribute to technical discussions.
• Manage database design, optimization, and integrations.
• Ensure application security, scalability, and reliability.

Required Skills & Qualifications :

• 4+ years of professional software development experience.
• Strong hands-on experience with Java, Spring Boot, and related backend frameworks.
• Strong experience with Node.js, Express.js, and API development.
• Good understanding of Microservices Architecture.
• Experience with MySQL, PostgreSQL, or MongoDB.
• Knowledge of Redis, caching mechanisms, and message queues is a plus.
• Familiarity with cloud platforms such as AWS, Azure, or GCP.
• Experience with version control systems like Git.
• Understanding of CI/CD pipelines and deployment processes.

Frontend Requirements :

• Ability to work on frontend development when required.
• Experience with React.js, JavaScript, TypeScript, HTML5, and CSS3.
• Understanding of responsive design and modern UI development practices.

Soft Skills :

• Excellent verbal and written communication skills.
• Strong stakeholder management and client interaction abilities.
• Ability to work independently and take ownership of projects.
• Strong analytical and problem-solving skills.
• Team player with a collaborative mindset.

Preferred Qualifications :

• Experience working in product-based or fast-paced startup environments.
• Knowledge of Docker, Kubernetes, and DevOps practices.
• Experience with Agile/Scrum methodologies.

DocNexus is revolutionizing the global medical affairs & commercial ecosystem with search. We provide a next-generation data platform that simplifies searching through millions of insights, publications, clinical trials, payments, and social media data within seconds to identify healthcare professionals (HCPs), products, manufacturers, and healthcare systems. Leveraging AI-powered Knowledge Graphs, DocNexus assists life science organizations in finding the right key opinion leaders (KOL/DOLs) who play a crucial role in developing and bringing life-saving pharmaceutical products and medical devices to market. Backed by industry leaders such as Techstars, JP Morgan, Mass Challenge, and recognized as one of the Top 200 Most Innovative Startups by TechCrunch Disrupt, we are committed to transforming healthcare insights. We are seeking a skilled and passionate DevOps Engineer to join our dynamic team and contribute to the efficient development, deployment, and maintenance of our platform.

We are looking for a visionary Sr. Full Stack Engineering Lead who is passionate about building and leading our technology department. The ideal candidate will have a solid technical background and experience in leading a team to drive innovation and growth. As Engineering Lead, you will oversee the development and dissemination of technology for external customers, vendors, and other clients to help improve and increase business.

Leadership and Strategy:

• Lead the engineering team and make strategic decisions regarding the technology stack, project management, and resource allocation.
• Establish the company’s technical vision and lead all aspects of technological development.

Development:

• Develop and maintain the front-end and back-end of web applications.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with a team to define, design, and ship new features.

Maintenance and Optimization:

• Maintain code integrity and organization.
• Identify and correct bottlenecks and fix bugs.
• Continually work on optimizing the performance of different applications.

Security: Ensure the security of the web applications by integrating security best practices.

• Regularly update the system to protect against vulnerabilities.

Innovation:

• Research and implement new technologies and frameworks that can improve the performance and user experience of the platform.
• Stay informed on emerging technologies and trends that can potentially impact the company's products and services.

Collaboration and Communication:

• Work closely with other departments to understand their needs and translate them into technical solutions.
• Communicate technology strategy to partners, management, investors, and employees.

Project Management:

• Oversee and support project planning, deadlines, and progress.
• Ensure that the technology standards and best practices are maintained across the organization.

Mentoring and Team Building:

• Foster a culture of innovation and excellence within the technology team.
• Mentor and guide the professional and technical development of team members.

Front-End Development:

• HTML/CSS: For structuring and styling the web pages.
• JavaScript/TypeScript: Core scripting language, along with frameworks like Angular, React, or Vue.js for dynamic and responsive user interfaces.

Back-End Development:

• Python: Using frameworks like Django or Flask for server-side logic.
• Node.js: JavaScript runtime environment for building scalable network applications.
• Ruby on Rails: A server-side web application framework written in Ruby.

Database Management:

• SQL Databases: MySQL, PostgreSQL for structured data storage.
• NoSQL Databases: MongoDB, Cassandra for unstructured data or specific use cases.

Server Management:

• Nginx or Apache: For server and reverse proxy functionalities.
• Docker: For containerizing applications and ensuring consistency across multiple development and release cycles.
• Kubernetes: For automating deployment, scaling, and operations of application containers.

DevOps and Continuous Integration/Continuous Deployment (CI/CD):

• Git: For version control.
• Jenkins, Travis CI, or CircleCI: For continuous integration and deployment.
• Ansible, Chef, or Puppet: For configuration management.

Cloud Services:

• AWS: For various cloud services like computing, database storage, content delivery, etc.
• Serverless Frameworks: Such as AWS Lambda or Google Cloud Functions for running code without provisioning or managing servers.

Security:

• OAuth, JWT: For secure authentication mechanisms.
• SSL/TLS: For secure data transmission.
• Various Encryption Techniques: To safeguard sensitive data.

Performance Monitoring and Testing:

• Selenium, Jest, or Mocha: For automated testing.
• New Relic or Datadog: For performance monitoring.

Data Science and Analytics:

• Python Libraries: NumPy, Pandas, or SciPy for data manipulation and analysis.
• Machine Learning Frameworks: TensorFlow, PyTorch for implementing machine learning models.

Other Technologies:

• GraphQL: For querying and manipulating data efficiently.
• WebSockets: For real-time bi-directional communication between web clients and servers.

Essential Responsibilities:

• Demonstrate an understanding of the Agile software development life cycle and distinguish the core inputs and outputs in each cycle.
• Work closely with your peers and keep engaging in a fast pace technical design and development team
• Execute in a fast pace delivery mode and focus on delivering tasks to meet monthly and quarterly digital product release goals
• Lead impact assessment and decisions related to technology choices, design / architectural considerations and implementation strategy
• Maintain code quality through best practices, unit testing and code quality automation
• Demonstrate the ability to make informed technology choices after due diligence and impact assessment
• Help in designing interfaces and information exchange between modules
• Articulate the need for scalability and understand the importance of improving quality through testing.
• Be an expert in writing code that meets standards and delivers the desired functionality using the technology selected for the project
• Drive design reviews, define interfaces between code modules, and apply existing technology to designs
• Be an expert in assessing application performance and optimizing/improving it through design and best coding practices

Qualifications/Requirements:

• Minimum Bachelor's Degree in Computer Science, Computer Engineering or in "STEM" Majors (Science, Technology, Engineering, and Math)
• 6+ years of experience in Full Stack Software Development within the enterprise or software services domain

Desired Skills:

• Expertise in full stack software development and awareness of 12 Factor software patterns
• Experience and knowledge of patterns and anti-patterns of microservices-based architecture design
• Experience developing and deploying applications on cloud (Azure, AWS, or GCP), on-premise, and hybrid-based architectures
• Mid-Level to Expert within one or more of the following UI development JavaScript: Client-Side HTML5 jQuery, jQuery UI, Knockout.js,
• Polymer, AngularJS, ReactJS, Bootstrap
• Mid-Level to Expert within one or more of the back-end development languages: .NET, Java, Python, or Scala
• Very solid API skills (e.g. Express.js/Node.js, GraphQL/Relay, Flask, Jersey, Java Spring REST or WebApi2)
• Skilled in use of Java, Kafka, and Spark streaming technologies
• Experience with containerization technologies such as Rancher, Kubernetes, Docker and Helm
• Hands-on experience in data storage environments of many types (RDMS, NoSQL, HDFS, etc.)
• Knowledge of GitLab, Jenkins and Artifactory
• Solid foundation in data structures, algorithms, and OO Design with rock-solid programming skills
• Security: Identity Management and Access, application security and static code analysis
• Proven success working in and promoting a rapidly changing, collaborative, and iterative product development environment
• Strong interpersonal skills, analytical skills, combined with intellectual curiosity, and a desire and ability to "get things done" are essential
• Agile Scrum development experience
• Added advantage to those having experience in multi-tenant SaaS Platform and Developers' Portal development

You are

Open - Always up for new ideas and able to take and give feedback in a positive way.

• Straightforward - Deal with colleagues in an open and transparent manner. Appreciates

teamwork and able to raise concerns if required

• Driven - sets high goals, doesn’t give up, and makes sacrifices to ensure that their job gets done

on time and meets/exceeds expectations.

• Curious - Aware of new technologies and uses them to make new improvements in the

Engineering ecosystem.

• Smart - Innovative and thinks out of the box, in difficult situations finds a way to succeed no

matter what

• Responsible - takes ownership of tasks given and has a strong work ethic.

Requirements

Acquired strong proven professional programming experience.

- Strong command of Algorithms, Data structures, Design patterns, and Product Architectural Design.

- Good understanding of DevOps, Cloud technologies, CI/CD, Serverless and Docker, preferable AWS

- Proven track record and expert in one of the field - DevOps/Frontend/Backend

- Excellent coding and debugging skills in any language with command on any one programming paradigm, preferred Javascript/Python/Go

- Experience with at least one of the Database systems - RDBMS and NoSQL

- Ability to document requirements and specifications.

- A naturally inquisitive and problem-solving mindset.

- Strong experience in using AGILE or SCRUM techniques to build quality software.

- Advantage: experience in React js, AWS, Nodejs, Golang, Apache Spark, ETL tool, data integration system, certification in AWS, worked in a Product company and involved in making it from scratch, Good communication skills, open-source contributions, proven competitive coding pro

Roles and Responsibilities

Based in Jaipur, you will be working in a collaborative team on cutting edge technologies in a supportive and dynamic environment. Ultimately you are responsible for building the CODI and on-boarding new clients - this involves:

- Developing a good understanding of the solutions which Peak delivers, and how these link to Peak’s overall strategy.

- Making suggestions towards shaping the strategy for a feature and engineering design.

- Managing own workload and usually delivering unsupervised. Accountable for their own workstream or the work of a small team.  

- Understanding Engineering priorities and is able to focus on these, helping others to remain focussed too

- Acting as the Lead Engineer on a project. Helps ensure others follow Peak processes, such as release and version control.

- An active member of the team, through useful contributions to projects and in team meetings.

- Supervising others. Deputising for a Lead and/or support them with tasks. Mentoring new joiners/interns and Masters students. Sharing knowledge and learnings with the team.

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

Full Stack Python Engineer at Silicon Valley AI Startup

• Own and implement features used by large customers like Truecaller, Mozilla, Zomato, Netflix, etc.
• Performance, Security and Usability goals are in DNA.
• Full ownership and accountability of Microservices which includes day-to-day operations and maintenance.
• Business and technical Metric definitions and reviews.
• Drive CI & CD Evaluate technologies and development stacks for API-based platform which scales to 100,000 transactions per second.
• Perform push-button deployments of any version of the software to any environment on demand.
• Design and build web apps that are scalable and puts user experience front and center.
• Develop modular UI components for company-wide reuse.
• Evolve a common design language for UI across apps.
• Establish and advocate front-end coding guidelines.
• Meld UX and great-looking UI while keeping excellent code quality.
• Own end-to-end life cycle of the product from requirement analysis, design, development, test, release, and maintenance.
• Develop reusable tools/libraries
• Identify opportunities for automation and collaboration points.
• Continuously improve cycle time, throughput, and code quality.
• Continuously improve value-adding-activities/non-value-adding activities ratio.

• 4 - 6 years of experience in large-scale distributed systems.
• Proficient in Python/Golang/Java/ http://node.js/">Node.js 
• Understanding of CSS, Advanced Javascript, http://vue.js/">Vue.js, http://react.js/">React.js, and other web technologies.
• Understanding of Rest based API Architecture
• Writing high-performance, reliable and maintainable code.  
• Excellent microservices pattern understanding.  
• Ability to define cross-core contracts and bring them to closure through collaboration.
• Good knowledge of database structures, theories, principles, and practices.  
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
• Analytical and problem-solving skills  
• Good aptitude in multi-threading and concurrency concepts.  
• Working knowledge of Git and proficiency with at least one build server: Jenkins/Travis/Bamboo.
• Good to have a telecom background

• Design and code feature in the front-end and back-end as per the specifications provided by the Product and Design teams.
• Ship features in fast-moving agile sprints.
• Work closely with Product Design and Product Management teams to brainstorm and chalk out details of features.
• Ability to build a feature from scratch & drive it to completion

Skills Must have:

• Good understanding of Javascript and Clean architecture.
• Good understanding of asynchronous programming, callback, and closures
• Experience in developing applications that use queues like SQS, RabbitMQ, Kafka, etc
• Experience with AWS services like S3, EC2, etc
• Strong experience with Javascript frontend framework/libraries like ReactJS
• Good knowledge of CSS and its preprocessors like SASS/LESS
• Good understanding of server-side templates.
• Experience with creating cross-browser compatible web apps
• Should be Strong in MySql / Postgres database
• Stronghold in Data structure and processing JSON

Good to have

• Basic knowledge of CI, CD
• Intermediate knowledge in any cloud services(AWS, GCP)
• Familiar with testing frameworks like Mocha, Cypress