.NET Developer

About the Role :

As the Lead AI/ML Engineer, you will be responsible for leading the design, development, deployment, and continuous improvement of AI-powered solutions that create measurable impact in education. This role combines hands-on technical execution with engineering leadership, requiring you to architect scalable AI systems, mentor engineers, establish best practices, and collaborate closely with cross-functional teams to deliver production-grade solutions.

You will take ownership of the complete AI development lifecycle—from problem definition and data pipeline design to model training, deployment, monitoring, and optimization—while ensuring high standards of reliability, scalability, security, and performance. The role also involves evaluating emerging AI technologies and driving their adoption to enhance product capabilities and user experience.

Roles and Responsibilities:

• Lead the design, development, and deployment of AI-powered products for production environments.
• Drive technical architecture and decision-making across machine learning models, inference systems, cloud infrastructure, and distributed computing.
• Develop and maintain end-to-end machine learning pipelines, including data ingestion, model training, evaluation, deployment, monitoring, and continuous optimization.
• Design scalable, secure, and high-performance AI services capable of handling production-scale workloads.
• Provide technical leadership by mentoring engineers, conducting code and design reviews, and fostering engineering excellence.
• Establish and promote best practices for software quality, testing, performance optimization, observability, reliability, and maintainability.
• Collaborate closely with Product, Backend, Mobile, and Data teams to deliver robust, scalable, and business-focused AI solutions.
• Research, evaluate, and implement emerging AI technologies to enhance product capabilities and drive innovation.

Required Skills & Qualifications

• Bachelor's or Master's degree in Computer Science, Artificial Intelligence, Machine Learning, or a related technical discipline.
• Minimum 4 years of hands-on experience developing, deploying, and maintaining production-grade AI/ML systems.
• Strong proficiency in Python with excellent software engineering, object-oriented programming, and system design skills.
• Extensive experience with modern machine learning frameworks such as PyTorch, Hugging Face, TensorFlow, or equivalent.
• Proven expertise in deploying, optimizing, and scaling large language models (LLMs) and other AI models for production inference.
• Strong understanding of containerization and cloud-native technologies, including Docker, Kubernetes, AWS, and distributed system architectures.
• Demonstrated ability to lead technical initiatives, mentor engineering teams, and make sound architectural decisions.
• Excellent analytical, debugging, communication, and problem-solving skills.

Preferred Qualifications

• Hands-on experience with Large Language Models (LLMs), Computer Vision, Speech Recognition, Generative AI, or Multimodal AI systems.
• Experience with model optimization and inference technologies such as Quantization, Distributed Training, vLLM, TensorRT, ONNX Runtime, or similar frameworks.
• Prior experience developing AI solutions for the education, public sector, or other large-scale social impact initiatives.

Details:

• Location: Kothrud, Pune.
• Interested candidates should fill in the application on career website   https://careers.vopa.in/                                 
• Salary :- 12 LPA to 14 LPA (Depending on last drawn salary, Interview and Skills)

Role Overview

We are looking for a Senior Full Stack Developer in India with strong hands-on experience across frontend and backend development to deliver high-quality, scalable solutions for global clients.

This role requires deep technical expertise, the ability to work independently on complex requirements, and strong collaboration with global delivery teams across regions. You will contribute to technical decision-making, mentor team members, and ensure solutions meet enterprise-grade standards.

Key Responsibilities

Full Stack Development

• Design, develop, test, and maintain robust and scalable full stack applications
• Work across frontend and backend layers depending on project demands
• Deliver clean, maintainable, and performance-optimized code

Technical Contribution & Quality

• Contribute to technical and architectural decisions
• Ensure applications meet requirements for security, performance, reliability, and scalability
• Participate actively in code reviews and technical discussions

Delivery & Collaboration

• Work closely with Product, UX, QA, DevOps, and global delivery teams
• Participate in agile ceremonies including sprint planning, reviews, and retrospectives
• Communicate effectively with Delivery Managers and project stakeholders on progress, risks, and dependencies

Mentoring & Team Enablement

• Mentor junior and mid-level developers on coding, testing, and design best practices
• Support your project team and the wider engineering community through knowledge sharing
• Contribute to continuous improvement of development standards and practices

Continuous Learning & Improvement

• Stay current with evolving technologies, frameworks, and engineering practices
• Participate in POCs, technical evaluations, and learning initiatives
• Actively contribute to improving tools, processes, and delivery approaches

Required Qualifications & Experience

• BE, ME/MTech, MCA, MSc, or equivalent degree-level education
• 5-10+ years of hands-on experience as a Full Stack Developer
• Strong experience working in client-facing, delivery-oriented environments
• Proven experience working in agile development teams
• Ability to work effectively with distributed/global teams

Technical Skills

Frontend

• Angular 16 (preferred) or React (can convert to Angular)
• TypeScript, JavaScript, HTML5, CSS / SCSS, Tailwind CSS
• Advanced state management and frontend performance optimization

Backend

• Java (Spring Boot preferred) or Node.js
• RESTful APIs and microservices architecture
• Unit testing and mocking frameworks (JUnit, Mockito)
• Asynchronous and event-driven messaging

Data & Integration

• Strong experience with SQL and/or NoSQL databases
• Database schema design, data modeling, and query optimization
• Experience with enterprise integrations, message queues, and event-driven systems

DevOps & Engineering Practices

• CI/CD pipelines and version control (Git)
• Automated testing (unit, integration, frontend and backend)
• Understanding of deployment, monitoring, and operational reliability

Professional & Behavioral Skills

• Strong problem-solving and analytical mindset
• Clear verbal and written communication skills in English
• Ability to work independently, manage priorities, and meet delivery timelines
• Commercial awareness in client delivery and project execution
• Strong collaboration and team-oriented approach

Nice to Have

• Open-source contributions (GitHub, npm/Maven publishing)
• Experience with technical POCs, R&D initiatives, or innovation projects
• Participation in tech communities, mentoring programs, or knowledge forums
• Relevant certifications or advanced technical training

About Columbus :

Columbus is a global IT services and consulting corporation with more than 3,000 employees serving our customers worldwide. We bring digital transformation into your business and position you to thrive far into the future. We offer a comprehensive solution portfolio with deep industry knowledge, extensive technology expertise and profound customer insight. We have proven this through 32 years of experience serving more than 5,000 customers worldwide.

What is the role?

You will be responsible for developing and designing front-end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties. You will be responsible for the functional/technical track of the project

‍Key Responsibilities

• Developing front end website architecture

• Designing user interactions on web pages

• Developing back end website applications

• Creating servers and databases for functionality

• Ensuring cross-platform optimization for mobile phones

• Ensuring responsiveness of applications

• Working alongside graphic designers for web design features

• Seeing through a project from conception to finished product

• Designing and developing APIs

• Meeting both technical and consumer needs

• Staying abreast of developments in web applications and programming languages

What are we looking for?

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of it. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent

• Overall 4+ years of experience

• Agnostic/Polyglot with multiple tech stacks

• Worked on open source technologies – NodeJs, ReactJs, python, Mysql, No SQL, MongoDB, DynamoDB

• Good experience with Front-end technologies like Javascript frameworks, Reactjs, Angularjs

• Backend exposure – good knowledge of building API

• Worked on serverless technologies

• Efficient in building microservices in combining server & fronted

• Knowledge of cloud architecture

• Should have sound working experience with relational and columnar DB

• Should be innovative and communicative in approach

• Will be responsible for functional/technical track of a project

Whom will you work with?

You will work with a top-notch tech team, working closely with the architect and engineering head. 

Job Title: Full Stack Developer

Experience- 3+ years

Location: Remote

Notice Period: Immediate Joiner Preferred

Job Description:

Responsibilities:

• Design, develop, and maintain full-stack applications using Python (FastAPI), Node.js, and React.
• Create and optimize RESTful APIs and backend services.
• Work with PostgreSQL to design efficient data models and write complex SQL queries.
• Develop responsive and interactive front-end components using React.
• Collaborate with team members using Git for version control and code reviews.
• Debug, troubleshoot, and enhance existing applications for better performance and user experience.
• 
  

Requirements:

• 3 years of experience in full-stack development or a similar role.
• Strong proficiency in Python with hands-on experience in FastAPI.
• Solid front-end development experience using React.
• Experience developing backend services with Node.js.
• Proficiency in PostgreSQL, including writing efficient SQL queries.
• Familiarity with Git for version control and collaborative development.
• Good communication and problem-solving skills.

We are hiring Unity Developers, who will be responsible for planning and implementing game functionality, building the game code, identifying bottlenecks, and ensuring the quality of the finished product. You may also be required to build patches and install game updates.

To ensure success as a Unity Developer, you should have extensive experience working with Unity and Unity3D software, excellent coding skills, and a good eye for detail. A top-class Unity Developer can visualize, design, and code games that speak directly to the target audience.

Unity Developer Responsibilities:

• Meeting with the design team to discuss gaming ideas and specifications.
• Establishing strategy and development pipelines.
• Planning and implementing game functionality.
• Transforming design ideas into functional games.
• Designing and building game codes.
• Identifying and fixing code errors and game bottlenecks.
• Testing game functionality and theme dynamics.
• Ensuring products conform to high industry standards.
• Designing and building game patches and upgrades.

Unity Developer Requirements:

• Bachelor’s degree in Computer Science, Computer Engineering or a similar field.
• Previous experience working as a Unity or Unity3D Developer.
• In-depth knowledge of Unity and Unity3D software.
• Knowledge of 3D development and integrated game physics.
• Experience with console and mobile game development.
• Good communication skills.
• Experience with memory and space optimization.
• Knowledge of scripting, animation, session management, and textures.
• Good troubleshooting skills.
• Excellent attention to detail.

• JEE, WebSphere App Server, Tomcat/jboss, development background
• Oracle DB/MySQL/Sybase/PostgreSQL
• Performance tuning in application connection pool, application server
• Basic Unix command and shell programming
• Thread dump, heap dump analyzing knowledge, tool used in thread dump

and heap dump

• Production issue troubleshooting
• Connection pool, application server configuration, JVM parameter configuration
• Good to have back base/flex cube technology hands on
• Technical Lead, Developer background

Responsibilities:

• Developing and maintaining all server-side network components.
• Ensuring optimal performance of the central database and responsiveness to front-end requests.
• Collaborating with front-end developers on the integration of elements.
• Designing customer-facing UI and back-end services for various business processes.
• Developing high-performance applications by writing testable, reusable, and efficient code.
• Implementing effective security protocols, data protection measures, and storage solutions.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Recommending and implementing improvements to processes and technologies.
• Keeping informed of advancements in the field of Node.js development.

Requirements:

• Bachelor's degree in computer science, information science, or similar.
• At least two years' experience as a Node.js developer.
• Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
• Knowledge of front-end technologies such as HTML5 and CSS3.
• Superb interpersonal, communication, and collaboration skills.
• Exceptional analytical and problem-solving aptitude.
• Great organizational and time management skills.