Top Senior Software Engineer Jobs

Lead end-to-end engineering projects for AI-powered pipeline generation, including business data ingestion, enrichment, prospect discovery, agentic workflows, automated outreach, and customer-facing experiences. Design scalable, observable systems, mentor engineers, shape product direction, collaborate with customers, establish engineering practices, and contribute to recruiting and team development.

Designs, develops, tests, deploys, monitors, and supports web applications and RESTful services. Translates business requirements into technical solutions, collaborates with business analysts and lead engineers, applies software development best practices, supports operational excellence, meets delivery timelines, and mentors other software engineers. The role requires full lifecycle development experience, containerization, CI/CD, test automation, AI tool usage, and eligibility for a U.S. security clearance.

Senior Software Engineer responsible for delivering major business initiatives, designing scalable distributed services, and building data-intensive applications for transaction processing, stream processing, and machine learning. The role includes improving architecture, establishing engineering standards, mentoring engineers, conducting technical reviews, and partnering with product and business stakeholders. Candidates need backend JVM experience, cloud services expertise, database knowledge, and strong software engineering fundamentals.

Designs, develops, tests, operates, and maintains production software products. The role requires full-stack ownership, scalable and reliable technical design, production-ready code, code reviews, security and compliance adherence, software reliability practices, and collaboration within an agile DevOps environment. The engineer will develop Java EE, REST API, and Spring Boot solutions, with preferred experience in cloud, Kubernetes, Kafka, API gateways, service mesh, and automated testing.

Develop and maintain customer-facing financial software, including authentication and security features. Design, test, deploy, and improve scalable Java, Spring Boot, and Angular applications using cloud technologies, automated testing, CI/CD, Kubernetes, and Terraform. Collaborate with architects, product owners, analysts, and engineers in an Agile environment to translate business needs into technical solutions and deliver reliable customer experiences.

Develop highly reliable full-stack software used across SpaceX, create applications that improve operations, prototype solutions, and own software engineering and product development. Responsibilities include understanding user problems, contributing to architecture and code reviews, optimizing performance, and building systems with modern web, database, deployment, and streaming technologies.

Designs and deploys software for autonomous laboratory automation, including hardware abstraction layers, instrument drivers, workflow orchestration, telemetry, error recovery, sample tracking, and LIMS/ELN integrations. The role integrates robotic platforms, lab instruments, AI and computer vision systems, and real-time digital twins into reliable, production-grade workcells. Collaboration spans software, hardware, automation, and scientific teams to translate laboratory protocols into scalable unattended systems.

Design and maintain distributed Lance dataset operations, develop high-performance indices and data formats, and improve query performance across Spark, Ray, and Trino. Contribute Rust-based table formats and encodings, integrate Lance with major open-source data infrastructure systems, operate internal data processing infrastructure, and promote the project through open-source communities and conferences.

Develops scalable back-end workflow applications and microservices using Java, Spring Boot, REST APIs, Kafka, PostgreSQL, Docker, and Camunda 8. Builds tested features, APIs, and event-driven services; collaborates on architecture and code reviews; supports internal users; works with stakeholders to resolve defects and deliver enhancements; and improves engineering processes. The role also involves cloud deployment on AWS and Kubernetes, workflow orchestration, and maintaining service-level objectives.

Develop and maintain websites, templates, and supporting tools for mission-critical cybersecurity efforts. Provide software development support to a customer technical team while working with front-end technologies such as React or Angular, backend languages, relational and NoSQL databases, and modern deployment practices. Collaborate in a technical environment focused on defensive cyber operations and contribute to complex, high-impact government missions.

Designs and develops architecture components for the Workspace ONE Intelligence Platform using Java, Spring, AWS, and open-source technologies. Responsibilities include full-cycle software development, API design, performance tuning, code and design reviews, technical leadership, and on-call support. The role requires expertise in cloud services, microservices, high-scale systems, DevOps, CI/CD, and AI-assisted development tools.

Designs, develops, tests, integrates, and maintains software solutions using ERP, AI frameworks, COTS, and GOTS technologies. Collaborates with cross-functional teams throughout the software development lifecycle, troubleshoots complex issues, integrates third-party solutions, and optimizes application performance. The role requires an active TS/SCI polygraph clearance and extensive software development experience.

Leads architecture, full-stack development, scalable application design, dashboards, backend integrations, AI-enabled features, cloud infrastructure, DevOps, monitoring, and production support. Mentors engineering teams, establishes technical standards, guides strategy, and develops solutions for payer operations, metadata, contracts, and performance measurement.

Senior Software Engineer building and operating real-time quoting, decisioning, and risk-control systems for FanDuel’s trading technology. Responsibilities include designing performant services, implementing limits and safeguards, maintaining decision logging and replayability, collaborating with quantitative analysts, monitoring trading metrics, testing and deploying software, participating in on-call support, and mentoring engineers.

Senior Software Engineer responsible for designing, developing, testing, integrating, and sustaining software systems. The role includes functional and empirical analysis, test strategy development, and solving engineering problems. Required experience includes Kubernetes, containerization, and Java, along with a bachelor's degree, nine years of relevant experience, and a Top Secret clearance with SCI eligibility. This is a full-time onsite position at APG.

Build and operate backend services for Slack’s enterprise productivity integrations with Google Workspace and Microsoft 365. Responsibilities include authentication and authorization flows, admin tooling, connector frameworks, analytics, experimentation, secure architecture, production support, code review, mentoring, and cross-functional collaboration.

Own and improve core execution systems for advanced automation, including tool invocation, state tracking, failure recovery, context handling, latency, resource usage, and token budgets. Build reliable concurrent production code for desktop applications on restricted corporate machines. Create adversarial, scenario-based test suites, expand end-to-end task coverage, conduct code reviews, and collaborate with technical, product, integration, and customer teams.

Provides technical leadership for architecture, implementation, deployment, and operation of intelligent, globally distributed Dynamics 365 Contact Center services. Designs scalable cloud and AI systems, leads production coding and debugging, drives security, reliability, observability, and safe deployment practices, resolves high-severity incidents, aligns partner teams, and mentors engineers. The role requires ownership across the full software lifecycle and leadership across complex technical initiatives.

Design, develop, test, document, and support scalable enterprise software and microservices using Golang. Lead feature delivery, code reviews, architecture discussions, production troubleshooting, and Agile practices. Collaborate with product and engineering teams, perform impact analysis, improve code quality, and mentor less experienced engineers. Participate in hiring and on-call support while contributing to high-load APIs and modernization initiatives.

Design and build highly available, high-performance distributed systems for the Azure Cosmos DB Gateway. Develop infrastructure supporting request routing, connection management, networking, caching, load balancing, resource management, reliability, and performance optimization at global scale. Collaborate across teams on architectures, standards, reusable service libraries, and features that improve throughput, latency, resiliency, and cost efficiency.

Leads architecture, development, testing, deployment, and operational reliability for Azure-based distributed services supporting advertising creative quality and monetization. Defines requirements, builds APIs and event-driven pipelines, applies AI-assisted engineering practices, improves security and compliance, mentors engineers, automates CI/CD, and participates in incident response and on-call support.

Design, implement, test, deploy, maintain, and improve scalable software components and microservices. Lead complex feature initiatives, code reviews, quality improvements, operational transformation, internal tooling, and adoption of emerging technologies. Collaborate with product managers, architects, and UX designers to define features and develop software that improves customer business processes. Preferred work includes agentic systems, LLMs, MCP, RAG, and modern AI frameworks.

Design, build, and operate Chainguard’s container product, including registry features, image build pipelines, distribution systems, adoption tooling, and customer-facing services. Own projects end to end, make product trade-offs, collaborate with customers and product managers, improve observability and reliability, support on-call operations, and use AI coding agents safely. The role requires systems thinking across containers, registries, build infrastructure, and customer clusters in a remote-first environment.

Develop and maintain Java applications, web services, and APIs for public and internal users. Build new systems, replace legacy applications, implement authentication, manage PostgreSQL databases, and support AWS CI/CD pipelines. Apply security, encryption, accessibility, testing, and database design practices while translating user requirements into application features. Work independently in a remote environment and collaborate with developers, engineers, and subject matter experts.

Build and operate full-stack product capabilities for a cybersecurity platform, with an 80% backend and 20% frontend focus. Own moderate-to-large projects from technical design through rollout, develop APIs and distributed services, create modern web experiences, and ensure reliability, observability, and maintainability. Collaborate with Product, Design, and engineering teams, contribute to architecture, conduct code reviews, mentor engineers, and improve product quality and execution.