Cognizant
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Unknown · São Paulo, Brazil
Hiring: Engineering
What employees say
+ Initiative the works to develop technical knowledge
− There is no time consumption
More reviews on the company profile.
Interview experience · Jr.Software Engineer
1)2Technical round (Based on Technical Skill ,Two Coding based Question,SQL) 2)Hr discussion (if selected ) Cognizant helps companies modernize technology, reimagine processes and transform experiences so they stay ahe
Average difficulty · India · 3 reports
More interview insightsJob description
Overview
We are seeking a Senior Python Developer to own end-to-end development and maintain scalable web applications across the full stack - from backend APIs and data layers to frontend interfaces and cloud deployment.
Responsibilities
- Design, build, and maintain RESTful APIs using Python frameworks (e.g., FastAPI, Django, Flask)
- Architect scalable, maintainable backend services and data models
- Write clean, well-tested, production-grade code and enforce code quality through reviews
- Optimize application performance, including query optimization and caching strategies.
- Design and optimize relational (PostgreSQL) data models
- Write efficient queries, manage migrations and ensure data integrity across services
- Build and maintain CI/CD pipelines for automated testing and deployment
- Work with containerization (Docker) and orchestration (Kubernetes) where applicable.
- Write and maintain unit, integration, and end-to-end tests (pytest, unittest or equivalent)
- Communicate proactively with the client's technical and non-technical stakeholders on progress, risks, and design tradeoffs
- Participate in sprint/PI planning and translate high-level or ambiguous requirements into concrete technical designs and acceptance criteria
- Mentor junior developers on the team and review their code, particularly around AI-integration and validation logic
Qualifications
- 5-8+ years of professional software development experience, with strong depth in Python (3.x)
- Backend framework expertise -Django or FastAPI
- Database expertise - strong SQL skills, experience with at least one relational database ( PostGres)
- API design - REST Principles, authentication/authorization patterns (OAuth2, JWT)
- Cloud platform experience - hands-on with AWS, Azure, or GCP (compute, storage, managed databases)
- Version control & collaboration - Git, code review workflows or GitFlow branching strategies
- Testing discipline - strong track record of writing maintainable, meaningful test coverage
- CI/CD - experience building or maintaining pipelines
- Strong communication skills - able to explain technical tradeoffs to non-technical stakeholders and write clear documentation
- Problem-solving and debugging - comfortable diagnosing issues across the full stack, from frontend rendering to backend performance to infrastructure
Nice to have
- AI/LLM familiarity - exposure to integrating LLM APIs into application workflows
- Prompt engineering - basic understanding of structuring prompts and structured/JSON output handling
- RAG (Retrieval-Augmented Generation) - conceptual familiarity with embeddings, vector search, and grounding LLM outputs in retrieved data.
- Containerization & Orchestration - Docker, Kubernetes
- Microservices architecture experience.
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Job application FAQ
Last updated 17 September 2026
- How do I apply for Python Full-Stack Developer at Cognizant?
- Open this job on Feedback AI and sign up free (or sign in). You can apply from the job detail page; match scores and skill gaps appear when your profile is complete. Cognizant may attach structured assessments to interview rounds after you apply.
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- Yes after you add a resume or skills. Match score ranks this role against your profile — skills met, gaps, level, and location — so you prioritise applications where fit is strongest.
- Is Python Full-Stack Developer remote or on-site in Pune, Maharashtra?
- This listing is marked on_site with location Pune, Maharashtra. Confirm details on the job description before applying.
- What skills matter for this Python Full-Stack Developer role at Cognizant?
- This is a mid-level Python Full-Stack Developer role. Key skills include skills listed in the job description. Feedback AI highlights matched vs missing skills on your profile after signup.