Top Senior Software Engineer Jobs

Build and maintain scalable Java microservices and backend components for Imply Lumi and Apache Druid. Develop database features, lead major cross-team initiatives, collaborate with product, design, and engineering teams, and participate in production on-call rotations. The role requires experience with cloud infrastructure, Kubernetes, Helm, relational or OLAP databases, and agile development. Apache Druid, open-source database contributions, Kafka, and Flink experience are advantageous.

The Software Craftsman Developer at Pillar Technology leads Agile teams, utilizes extensive programming experience, and embodies strong business acumen while delivering value to clients.

The Staff Software Engineer will lead the development of the Flowcode 2 platform, focusing on backend systems and distributed architecture while mentoring engineers and driving technical initiatives.

Design, develop, and maintain full-stack applications; lead technical discussions, mentor junior members, and improve products and technologies.

As a Senior Software Engineer, you will architect and implement Python-based systems, lead feature design and delivery, ensure scalability and reliability, and mentor junior engineers.

As a Senior Software Engineer, you will develop and maintain applications using PHP, Laravel, Node.js, and React, optimizing APIs and ensuring security. You’ll collaborate with cross-functional teams, mentor juniors, and improve workflows and documentation.

The Staff Software Engineer will design and build scalable systems, lead architecture decisions, mentor engineers, and improve existing platforms using PHP, Node.JS, and AWS.

Lead software engineering for high-throughput 5G NR wireless systems. Architect, design, develop, and code major PHY and L1 system features; mentor software engineers; improve development processes; collaborate with cross-functional engineering, systems design, and test teams; and integrate and validate 3GPP wireless technology concepts.

Provides cross-team technical leadership by architecting scalable systems, leading design reviews, resolving complex technical issues, shipping production code, mentoring engineers, reducing technical debt, and translating business priorities into technical roadmaps. The role requires hands-on full-stack software development, AI-paired delivery, strong communication, and influence without formal authority.

Build and ship performance-sensitive software for game streaming, platform systems, infrastructure, developer tooling, and cloud-enabled experiences. Develop primarily in C/C++ on Linux, investigate systems and reliability issues, prototype ambiguous ideas, debug complex production-like environments, and apply AI-native engineering workflows. Collaborate across streaming, platform, infrastructure, and cloud domains while mentoring teammates and improving user and developer experiences.

The Staff Software Engineer will architect and implement scalable data systems, collaborate with teams, mentor engineers, and ensure data integrity.

Leads mobile and digital software engineering efforts across iOS and Android initiatives. Provides architectural guidance, conducts design and code reviews, establishes design patterns, manages technical risks and dependencies, and guides teams through software delivery. Collaborates with business stakeholders, TPMs, and engineering managers, mentors developers, drives continuous improvement, and promotes best practices across Agile, waterfall, CI/CD, microservices, and cloud environments.

Design and operate secure, scalable CIAM services for authentication, authorization, identity lifecycle, and profile management. Lead complex technical initiatives, guide architecture across teams, improve reliability and security, and establish standards-based identity practices. Partner with engineering, product, and security teams, mentor engineers, document technical decisions, and participate in on-call support.

Leads software sustaining, escalation resolution, debugging, root-cause analysis, validation, release quality, and customer-specific fixes for Surfscan semiconductor inspection systems. Coordinates globally distributed engineering, support, applications, service, and escalation teams. Drives automation, diagnostics, regression testing, deployment readiness, documentation, and reliability improvements. Provides occasional customer-site and off-hours support, including domestic and international travel for critical escalations and deployments.

Develop performance-focused software, tooling, automation, and testing infrastructure for distributed systems. Investigate and remediate customer performance issues, improve observability, debug production incidents, and respond to emergent problems. Work with Java, JVM technologies, Linux, Kubernetes, monitoring platforms, and CI/CD tools in a small scrum team to build reliable, high-performance applications.

Lead the technical vision and architecture for a core risk-signal processing platform. Design and operate scalable backend systems, data-intensive applications, and microservices while ensuring reliability, observability, security, performance, and operational excellence. Oversee CI/CD, testing, deployments, and cost optimization; deliver features across backend, frontend, infrastructure, and data systems; and mentor engineers while balancing near-term delivery with long-term architectural goals.

Build and maintain full-stack software products across frontend, backend, data, and AI layers. Own product architecture, deployment, observability, reliability, and maintenance; establish unified data models, secure access controls, AI guardrails, and engineering standards. Collaborate directly with non-engineering users to create self-service workflows and translate ambiguous needs into practical solutions. Ship production LLM-powered systems and support governed data transformation, quality, lineage, and testing.

The Principal Software Engineer will architect and lead the integration of Xometry's AI marketplace into Siemens' CAD platforms, ensuring real-time insights and collaboration with engineering teams.

The Principal Software Engineer will design and develop the integration layer for Xometry's AI-native marketplace with Siemens platforms, ensuring real-time feedback and scalability. Responsibilities include architectural design, AI fluency, decision-making, collaboration with Siemens, and operational excellence.

Build full-stack applications for space mission systems, modernize legacy ground and flight software, and develop distributed cloud-native systems. Integrate and test space software through simulation, emulation, and interface validation. Implement DevSecOps pipelines, automated testing, and secure practices while creating mission-operator interfaces. Collaborate with systems engineers and operations teams, provide technical leadership, mentor engineers, and guide architecture and design decisions across DoD and IC programs.

Build and modernize full-stack software for space mission systems, including distributed microservices, cloud-native applications, DevSecOps pipelines, automated testing, and operator interfaces. Integrate and test ground and flight software through emulation, simulation, and interface validation. Collaborate with systems engineers and mission operations teams, provide technical leadership, mentor engineers, and support classified DoD and Intelligence Community programs.

Build and modernize scalable commercial software applications using Java and microservices architectures. Responsibilities include developing and unit testing features, conducting root-cause analysis, reviewing code, applying software engineering fundamentals, improving delivery processes, and collaborating with cross-functional engineering teams.

Build and operate core Identity and Access Management services powering authentication, authorization, token management, SCIM provisioning, and account security. Own end-to-end architecture, implementation, observability, and reliability. Partner with Product and Security, improve scalability and performance, and mentor teammates to raise engineering standards.

Supports Air Force munitions programs across the acquisition lifecycle by applying software and systems engineering principles to design, development, integration, testing, sustainment, requirements traceability, technical documentation, performance analysis, risk mitigation, and milestone reviews. Collaborates with program management, logistics, test, and cybersecurity teams to deliver reliable, mission-critical capabilities at Hill AFB.

As a Senior Software Engineer, you will architect and ship features, build workflows, maintain code quality, and enhance engineering culture while leveraging various technologies.