Senior Software Engineer

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.