Top Python Jobs in Kolkata

Develops and integrates radiating components and passive radiation-pattern structures for multiband base-station antennas. Responsibilities include 3D and 2D electromagnetic simulation, prototype RF measurements, performance optimization, troubleshooting, technical documentation, and supporting the product lifecycle through mass production. The role collaborates with international cross-functional teams and requires relocation to Rosenheim, Germany.

Deploy, configure, integrate, develop, and troubleshoot telecom mediation platforms across bare metal, virtualized, cloud, and container environments. Build mediation workflows for high-volume CDR processing, integrate with network and billing systems, develop automation and streaming apps (Kafka/Flink), perform data reconciliation, and leverage Gen-AI and scripting for productivity and solution development.

As a Senior Solution Integrator, you will lead integration and deployment of Ericsson Charging solutions, ensuring high-quality implementations and efficient collaboration with teams to meet customer requirements.

Designs and maintains end-to-end business process automations spanning browser/RPA tools, workflow platforms, backend services, APIs, databases, internal dashboards, and AI-agent workflows. The role develops reliable integrations, applies RAG and vector search, deploys containerized solutions through CI/CD, troubleshoots failures, documents architectures, and identifies manual processes suitable for deterministic or AI-driven automation. Collaboration with product, engineering, and business stakeholders is required.

Develop and enhance scalable custom software solutions using Palantir Foundry, MySQL, Python, and PySpark. Design data integration and transformation workflows, optimize application performance, troubleshoot issues, and support application lifecycle management. Serve as a subject matter expert, make team decisions, coordinate cross-functional collaboration, improve processes, and mentor junior engineers while delivering solutions aligned with business requirements.

Develop and deploy scalable cloud-native enterprise applications, APIs, microservices, event-driven architectures, and AI-enabled solutions. Build RAG applications, intelligent agents, automated testing frameworks, CI/CD pipelines, and infrastructure automation. Troubleshoot production issues, contribute to architecture and security standards, modernize platforms, identify AI opportunities, and mentor engineers. The role requires strong Microsoft-stack, cloud, DevOps, software architecture, and AI development expertise.

Develop scalable, high-performance backend applications using Python. Responsibilities include Core Python and object-oriented programming, functional programming, multithreading, multiprocessing, asynchronous development, REST API creation and integration, SQL query optimization, Apache Spark distributed processing, debugging, performance tuning, and problem-solving.

Manage Azure administration and DevOps infrastructure, including CI/CD pipelines, infrastructure as code, containers, Kubernetes, and microservice deployments. Deploy and scale AI and ETL workloads using Azure services, Python, and PySpark. Implement DevSecOps, secrets management, RBAC, monitoring, logging, governance, and Git-based collaboration while supporting Agile development practices.

Own AWS infrastructure through Terraform and build GitHub Actions CI/CD pipelines for Django, Python, Node.js, and React services. Manage production deployments, migrations, observability, incident response, PostgreSQL, Redis, messaging systems, security hardening, and reliability improvements. Develop Python and shell automation, maintain runbooks, and provide detailed shift handovers. The role requires production ownership, on-call participation, autonomy, and either normal or night-shift availability.

Designs, develops, maintains, and executes automated tests for web and mobile applications. Builds scalable frameworks, automates functional and API scenarios, validates databases with SQL, and integrates testing into CI/CD pipelines. Investigates failures, performs root-cause analysis, tracks defects, supports release validation, and collaborates with cross-functional teams to improve test coverage, reliability, and QA processes.

Develop and maintain IoT applications, firmware, and connected-device solutions for microcontrollers, sensors, and edge devices. Integrate devices with cloud and backend systems using communication protocols, build APIs and data services, troubleshoot connectivity and performance, and apply IoT security practices. Collaborate across hardware, software, and product teams while contributing to testing, code reviews, documentation, deployment, and quality assurance.

Develop reusable, scalable, and testable Python applications using Django or Flask. Analyze requirements, build REST APIs, integrate external services and multiple databases, connect frontend elements with server-side logic, and implement authentication, authorization, security, and data protection. Experience with PostgreSQL, MySQL, NoSQL databases, and familiarity with JavaScript or Angular are relevant.

Lead technical direction and architecture for a cloud-native SaaS platform. Design scalable distributed systems, drive platform modernization, mentor engineers, deliver high-performance backend services, improve observability and reliability, and apply AI-enabled engineering to boost productivity and quality.

The OCI Architect will lead cloud transformation initiatives, manage Oracle databases, execute migrations of Oracle EBS, and support presales activities. Responsibilities include designing OCI architecture, database administration, and automation development.

Architect and develop block-level verification environments using SystemVerilog and UVM; create constrained-random verification suites; run front-end simulations (VCS/NC), analyze code and functional coverage, perform gate-level signoff, debug ASIC logic with designers, and write scripts (Perl/Python/Tcl/shell) to improve verification infrastructure.

The Systems Administrator manages IT infrastructure, oversees server and network performance, automates deployments, ensures security, and documents processes while supporting IT operations.

Build, test, and maintain backend and/or frontend features for a cloud-native SaaS platform. Develop and consume REST APIs, write well-tested maintainable code, participate in design and code reviews, troubleshoot production issues, and collaborate with product, design, and QA. Learn and apply AI-assisted development and cloud-native practices.

Design, build, and own end-to-end cloud-native SaaS features and services. Implement scalable APIs, event-driven workflows, background workers, and async processing. Improve performance, reliability, and observability; participate in design reviews, on-call rotation, mentoring, and cross-team collaboration. Apply AI-assisted development practices while maintaining security and quality.

Lead architecture and technical direction for cloud-native, high-scale SaaS platforms. Design distributed systems, drive platform modernization, mentor engineers, implement scalable APIs and backend services on AWS, and improve reliability, performance, observability, and DevOps practices.

Design, build, and maintain backend APIs and services for a real-time supply chain visibility platform. Own system architecture, real-time event ingestion, data normalization, ML integration, monitoring, and production debugging while collaborating with Product and Data Science to deliver scalable, high-availability features.

Develop and maintain Ansible modules and Terraform providers for storage infrastructure. Implement backend services in Python and Go, optimize performance, integrate with SQL/NoSQL databases, support CI/CD, containers (Docker/Kubernetes), cloud providers, and collaborate across product, test, and solutions engineering teams.

Design, automate, and deploy resilient infrastructure solutions combining Kubernetes and OpenStack across bare-metal, virtualized, and containerized environments. Build IaC with Terraform and Ansible, script in Python and Bash, manage KVM/Kube-virt hybrids, and optimize compute, storage (SAN, NVMe, SSD, RAID), and networking (L2/L3, SDN). Provide technical consultation and customer-facing support.