Top Linux Jobs in Bangalore

Manage and maintain large-scale distributed big-data infrastructure ensuring reliability, scalability, and security. Automate provisioning, scaling, upgrades and monitoring; lead incident response and postmortems; troubleshoot production issues; implement SRE best practices; collaborate with teams for performance tuning, capacity planning and architecture reviews; develop automation and observability tooling to reduce manual effort and improve system resilience.

Maintain reliability and performance of PhonePe services by administering Linux/Unix systems, networking (IP, iptables, IPsec), databases (MySQL), automation (SaltStack), scripting (Perl/Python/Golang), private cloud and virtualization (KVM/QEMU), participate in on-call rotations, implement best practices for always-available services, and work with container orchestration, NoSQL (Aerospike) and Galera cluster operations.

Lead a Bangalore validation engineering team to qualify Everpure SSDs for performance, reliability, and firmware maturity. Own end-to-end validation strategy across PCIe, NVMe/OCP, and power-loss robustness; align cross-functional stakeholders; expand Python/Linux automation, CI/CD, regression infrastructure, and data dashboards; mentor and scale the team to ensure product release readiness.

Develop and maintain backend services using Java (8/11) and Spring. Build RESTful APIs, database logic with Oracle/PL-SQL, integrate messaging and middleware, containerize with Docker/Kubernetes, and use CI/CD and observability tools. Collaborate with front-end frameworks, DevOps, and enterprise tools.

Develop and maintain full-stack enterprise applications using Java (8/11) and Spring for backend, Oracle PL/SQL for data layer, and Angular/TypeScript or Vue.js for frontend. Work with containers (Docker, Kubernetes), API management (Gravitee, Eureka), messaging (ActiveMQ, Redis), SOAP/FileNet integrations, CI/CD and automation tools (Jenkins, Ansible), and collaborate via Jira/Bitbucket/Confluence. Perform Linux/shell scripting and NGINX configuration.

Design, develop, and enhance the Base24-EPS switching application with a primary focus on Customer Specific Modifications (CSM) using C/C++. Lead end-to-end delivery, ensure CI/CD and code quality, support cloud integration (Azure/AWS), document designs, and hand over to support. Work with ISO 8583 messaging to support ATMs, EFTPOS, and e-commerce gateways.

Design, implement, and debug system software for NVIDIA Halos across QNX, Linux, and hypervisors. Develop BSP, boot, drivers, device management, I/O virtualization, and safety/security-compliant software (ISO 26262/21434). Use formal methods and AI-assisted tools, optimize NVIDIA SoC platforms, develop tracing/performance solutions, troubleshoot mixed-criticality stacks, and mentor junior engineers.

Lead full lifecycle development of L2/L3 embedded RAN protocol stacks: design, coding, unit testing, debugging, and integration. Implement and enhance MAC/RLC features, analyze logs, debug in Linux, and support product releases. Apply AI/ML concepts for RAN optimization and develop/maintain solutions used by global customers.

Operate, maintain and optimize Linux/RedHat scientific computing and HPC environments; manage schedulers, troubleshoot performance and dependencies; develop and maintain automation and code (Bash, Python, Perl); apply ITIL and DevOps practices; support users and stakeholders; drive automation and continuous improvement using AI tools and cloud technologies.

Own the architecture and technical direction of large-scale distributed applications. Build secure, scalable Python backend services, contribute to Java services, guide platform strategy, mentor engineers, and establish engineering standards. Improve reliability, observability, automation, developer experience, security, testing, and operational excellence. Use AI-assisted development tools responsibly to increase productivity while maintaining software quality. Collaborate cross-functionally and lead through technical excellence, pragmatic architecture, and strong ownership.

Develop high-quality, resilient software across Ubuntu and the open source stack, from Linux systems and firmware to cloud, containers, and desktop applications. Contribute to product roadmaps, user experience, code reviews, issue resolution, security, and enterprise requirements. Collaborate remotely with global engineering teams and the open source community, while building expertise in programming languages and Linux systems. Attend international company sprints twice yearly.

Design, implement, and maintain AWS-based CI/CD solutions using Jenkins. Manage build environments, operating systems, software, and multiple AWS accounts. Collaborate across teams to develop DevOps solutions, promote agile practices, and troubleshoot CI and production issues. The role also involves applying AI tools, coding assistants, agents, MCPs, and agentic SDLC practices to improve testing, troubleshooting, and workflows.

Design, develop, and maintain embedded software for electrical products, optimizing performance and collaborating with cross-functional teams to integrate hardware and software components while ensuring compliance with security and safety standards.

Lead design and implementation of scalable test automation frameworks and performance testing strategies. Build and integrate automated functional, regression, API, and performance tests into CI/CD. Identify defects and performance bottlenecks, analyze metrics, and collaborate with developers, DevOps, and SRE/operations to improve scalability, reliability, and release quality.

Lead enterprise application modernization initiatives by defining modernization strategies (replatform, refactor, rebuild), transforming monoliths into microservices, conducting application discovery and technical debt analysis, designing cloud-native architectures, implementing containerized CI/CD pipelines, using code-quality/security tooling and agentic AI for migration, and driving client-facing consulting, pre-sales, and executive stakeholder engagements.

Lead platform engineering and AWS cloud migrations from on-prem VMware to AWS. Architect, deploy, and maintain cloud infrastructure; design hybrid networking and security; automate migrations and CI/CD using IaC, scripting, and configuration management; troubleshoot OS and database migrations; and optimize post-migration performance.

Design, build, and maintain scalable, production-like lab environments to accelerate third-party integrations. Implement IaC, automated provisioning, observability, networking, security controls, and documentation while supporting troubleshooting and vendor integration workflows.

Design, build, and maintain high-performance, low-latency electronic trading and market-making platforms. Analyze and optimize system performance, implement and deploy enhancements, improve reliability and safety, and balance short-term business needs with strategic improvements while understanding market structure and exchange requirements.

Design, develop, and debug cellular RAN software across PHY/MAC/RLC/PDCP/RRC layers for LTE and 5G NR. Perform end-to-end root-cause analysis, build AI/LLM-powered automation for log analysis and bug triage, and work with telecom interfaces and debugging tools to resolve customer and field issues.

Develop and deploy RTL design-quality methodologies (CDC, RDC, lint, netlist/design audits, power insertion). Analyze flow results, perform root-cause analysis, set readiness criteria, coordinate across RTL/DFT/physical/CAD teams, integrate new tools, and automate reporting and waiver management to improve RTL quality and silicon readiness.

Lead NX-OS software engineering for Nexus 9000 platforms, driving architecture, AI/ML integration, delivery of embedded control and data-plane networking features, cross-functional alignment, risk management, and team development to meet customer outcomes.

Design, build, and operate the Kubernetes-based core infrastructure for Nexus Dashboard. Lead cluster lifecycle management, reliability and observability, security and certificate management, and scalability efforts. Develop backup/restore, automated anomaly detection, and test plans. Collaborate with cross-functional teams to optimize performance and deploy microservices at scale using AI-assisted development and modern CI/CD practices.

Design, build, and operate secure, highly available AWS infrastructure using Terraform and CI/CD. Automate provisioning, scaling, monitoring, incident response, security, and cost optimization for high-traffic systems.

Senior Java engineer responsible for building secure, performant, mission-critical services. Tasks include secure coding, debugging, API design, test-driven development, CI/CD pipeline orchestration, code-quality scanning, release management, performance and availability monitoring, stakeholder collaboration, and driving product acceptance and operational readiness.

Design, build, and maintain secure, high-availability Java/J2EE services using Spring and jBPM. Implement CI/CD pipelines, apply code-quality/security tools (Sonar, Checkmarx, Zally), perform deep debugging (core/heap/thread dumps), drive API standards, test-first development (TDD/BDD), estimate and deliver features, ensure operational SLAs (99.95%), and coordinate releases and product acceptance with stakeholders.