ViaPlus is seeking a Senior Software Engineer – Python Developer to join our team of passionate and driven professionals. In this role, you will work on cutting-edge projects that shape the future of smart transportation and mobility solutions. As a Senior Developer, you’ll leverage modern development methodologies, scalable architectures, and advanced tools to design and deliver secure, high-performing, and reliable applications. At ViaPlus, we foster a culture of innovation, collaboration, and ownership—where your creativity and expertise will have a direct impact on building transformative technology solutions
Job Profile : Senior Software Engineer
Experience : 5 – 8 years
Job Responsibilities :
Develop code to build new products and participate in design of modules in new technologies
Interpret the High-Level design and requirements; conduct research, to build code
Understanding of the threading limitations of Python, and multi-process architecture
Ability to work with concurrency, multithreading / multitasking, and IPC
Should understand the customer frameworks and contribute to the central command centre portal during project execution.
Design and implementation of low-latency, high-availability, and performant applications
Integration of user-facing elements developed by front-end developers with server-side logic
Should be able to provide expert knowledge and recommendations that will contribute to the growth of the business
Evaluate new technologies and tools such as new frameworks, methodologies, best practices and other areas that will improve overall efficiencies and product quality
Experience in recommending suitable solutions for given business concept or Enterprise applications / products
Understanding design documents and developing application code with quality, within schedule and estimated efforts.
Manage the development, and scaling of
FastAPI-based microservices
and RESTful APIs.
Collaborate with cross-functional teams (frontend, DevOps, QA) to deliver scalable solutions.
Implement
security, authentication (OAuth2 / JWT), and data validation
best practices in FastAPI.
Optimize database interactions (SQL / NoSQL) and implement caching strategies.
Ensure high availability and scalability using
Docker, Kubernetes, and cloud platforms .
Establish CI / CD pipelines for automated testing and deployment.
Troubleshoot performance bottlenecks and ensure system reliability.
Skill Set :
Language proficiency required in Python more than 3 years.
Should have experience on Pandas (Series / Data Frames) or NumPy.
Ability to design data models, monitor and debug issues and tuning performance of an application.
Ability to understand and write queries for basic CRUD operations, complex SQL queries using joins, aggregations, and related operations in data analytics (optional)
Should have strong experience in using MongoDB or any other database (optional)
Biometric or image processing projects experience is an added advantage.
4+ years
of Python development experience, with
3+ years in FastAPI .
Strong expertise in
API design, microservices, and async programming .
Hands-on experience with
SQL / NoSQL databases
(PostgreSQL, MongoDB).
Proficient in
cloud platforms (Azure / AWS / GCP) and containerization (Docker / Kubernetes) .
Experience with
message brokers
(RabbitMQ, Kafka) and caching (Redis).
Solid understanding of
security best practices
(OAuth2, JWT, CORS, rate limiting).
Familiarity with
automated testing (Pytest), CI / CD (GitHub Actions / Jenkins), and monitoring (Prometheus / Grafana) .
Strong leadership, communication, and problem-solving skills.
Senior Software Engineer • Delhi, India