Top Software Engineer Jobs

Develops, integrates, and tests advanced software for prototype and low-volume defense and commercial systems. Responsibilities include object-oriented C++ development, Linux application development, algorithm implementation, architecture design, and collaboration in rapid research environments. Preferred work includes real-time, embedded, multithreaded, GPU, DSP, cloud-native, containerized, DevSecOps, and RF or sensor software. The role is fully onsite and requires active Secret clearance with the ability to obtain Top Secret clearance.

Design, develop, integrate, and test advanced software for prototype and low-volume defense systems. Work includes object-oriented C++ development in Linux, algorithm implementation, real-time and embedded systems, multi-threaded and low-latency applications, and collaboration across research and engineering teams. Preferred work may involve MATLAB, Python, GPU technologies, DevSecOps, containers, cloud-native tools, signal processing, RF, cyber, and military systems.

Design, develop, integrate, and test software for advanced defense and commercial systems. Work with cross-functional teams on applications involving RF, radar, EO/IR, electronic warfare, software-defined radio, signal processing, hardware interfaces, embedded systems, cloud-native technologies, and real-time operating systems. Apply agile, DevSecOps, CI/CD, containerization, and automated release practices while developing prototype and low-volume products.

Build systems to analyze and visualize agent performance, enable A/B testing of AI agents, explore conversational data through AI-powered clustering, and proactively monitor agents for defects and emerging patterns. The role requires shipping full-stack production systems, collaborating autonomously, and applying strong craftsmanship and customer focus. Experience with AI products, Go, TypeScript, developer tooling, programming languages, databases, design, or technical leadership is advantageous.

Build and scale Sierra’s customer-facing AI communication platform across voice, chat, SMS, email, and native app experiences. Responsibilities include developing multimodal agent experiences, global telephony infrastructure, channel integrations, real-time low-latency systems, contact-center integrations, and safe personal-agent connectivity. The role requires strong backend fundamentals while collaborating across infrastructure, mobile, and web systems, with emphasis on reliability, security, performance, and rapid delivery.

Build and operate secure, high-reliability payments infrastructure for AI voice agents. Responsibilities include real-time card capture, tokenization, payment gateway integrations, egress controls, privacy protection, idempotent payment actions, and self-service APIs and SDKs. The role spans backend systems, security, real-time voice, LLM integration, and customer-cloud deployments, with end-to-end ownership from design through production and on-call support.

Design, develop, test, deploy, and support enterprise Java applications, REST APIs, microservices, and batch-processing platforms. Lead system design, code reviews, modernization, security, performance optimization, production support, incident resolution, and CI/CD improvements. Collaborate with business, QA, DevOps, and architecture teams while mentoring junior engineers and using approved AI tools to improve development workflows.

Design, develop, and deploy scalable microservices and event-driven systems for T-Mobile’s business order management platform. Manage Azure cloud infrastructure, build high-performance REST APIs, integrate backend systems, optimize order processing, and support subscription lifecycle workflows. Conduct code reviews, performance tuning, issue resolution, and technical writing while mentoring distributed engineering teams and collaborating cross-functionally.

Develop and maintain scalable backend data engineering solutions using Python, PySpark, and Databricks. Build, deploy, and support reliable data pipelines and platform modules for financial reporting and analytics. Design software architectures, troubleshoot complex systems, analyze financial data, participate in code reviews, and collaborate with product managers, architects, and engineering teams. Apply secure coding, agile development, CI/CD, resiliency, responsible AI-assisted development, and enterprise data governance practices.

Leads development of secure, scalable Java full-stack software for a digital identity team. Designs, codes, tests, troubleshoots, and reviews production applications; improves resiliency and automation; promotes responsible AI-assisted engineering practices; and evaluates vendor and architectural solutions. Requires cloud-native experience with AWS and Kubernetes, REST API development, agile delivery, security, and CI/CD. Familiarity with IAM technologies and ForgeRock or Ping Identity is preferred.

Build Apollo’s AI-powered Builder Studio end to end, including chat-driven app creation, live previews, generated-app runtimes, workflows, integrations, delegated permissions, security, and reliability. The role requires strong full-stack development, production LLM experience, frontend expertise with complex UIs, backend and workflow design, and ownership of an ambiguous 0-to-1 product.

Design and build Maybern’s Scenario Modeling engine, including projection frameworks, workflow orchestration, and financial data processing pipelines. Lead architecture and development of core systems from the ground up, partner with product experts to create intuitive modeling tools, and launch complex data products. The role requires strong experience with high-volume, near-real-time systems, relational databases, transactions, cloud platforms, and distributed systems.

Leads design, development, and delivery of scalable platform capabilities, including infrastructure, tooling, and AI/ML frameworks. Drives the full software lifecycle from coding through deployment, monitoring, and maintenance; applies cloud-native architecture; conducts design reviews; builds AI-driven applications; mentors engineers; collaborates with stakeholders; and advances engineering standards, automation, observability, and continuous improvement.

Build and operate backend systems, workflow tooling, and data pipelines for lawful data access and Legal Operations. Implement least-privilege controls, audit trails, approval gates, and data minimization. Partner with Legal and operations to translate requirements into secure, auditable systems; own production reliability, observability, testing, incident response, and drive reusable privacy infrastructure.

Design, develop, debug, and improve Elastic’s cloud control-plane offerings. The role involves guiding cross-team architecture, leading development best practices, creating technical plans, diagnosing complex failures, prioritizing fixes and features, and collaborating with Support and Elasticsearch engineering teams. The engineer will contribute to reliable, scalable SaaS foundations while providing pragmatic technical leadership across a distributed engineering organization.

Build and maintain Box’s iOS mobile applications using Swift, UIKit, and SwiftUI. Develop scalable, polished features; optimize performance and responsiveness; debug crashes and bottlenecks; collaborate with product, design, and backend teams; participate in code reviews, technical design discussions, mentoring, and on-call support.

Independently design, build, test, and deliver production features for a scalable TLD registry platform. Develop C#/.NET and Python microservices, implement AWS-based solutions, optimize CI/CD and infrastructure-as-code pipelines, and ensure reliability through unit and integration testing. Collaborate with engineers, troubleshoot complex technical issues, and take ownership of assigned software delivery tasks.

Design and build full-stack web applications, backend APIs, data models, pipelines, developer tooling, and platforms for mission and flight software systems. Develop interfaces with flight software and simulations, support test automation and continuous deployment, and establish scalable engineering practices for a growing software organization.

Develop and maintain a cloud-based full-stack software product for storing, visualizing, validating, and disseminating ELINT data. Design, test, document, and deploy new features using Java, Kotlin, React, databases, AWS, and related technologies. Collaborate with developers and DevOps, contribute to architecture reviews, and support tactical users, interoperability, documentation, and data fidelity.

Build and maintain Turso’s open-source database and cloud platform. Responsibilities include advancing PostgreSQL compatibility, ensuring software correctness through testing and verification, operating cloud APIs and data planes, and scaling systems to support substantially more databases. The role involves Rust development, embedded database technology, large-scale cloud operations, observability, reliability, performance improvements, and collaboration with customers, open-source communities, and distributed teams.

Designs, develops, tests, documents, implements, and maintains software applications. Analyzes business requirements, translates specifications into code, creates user interfaces, automates tasks, participates in code reviews and quality assurance, troubleshoots production issues, and collaborates with internal teams and vendors. The role also provides on-call production support and requires continuous development of technical skills.

Leads software engineering for JPMorgan Chase’s Asset and Wealth Management technology team. Responsibilities include designing, developing, testing, debugging, and reviewing secure production code; improving application stability and automation; adopting AI-assisted engineering practices; applying SDLC tools and agile methodologies; and evaluating vendor and architectural solutions. The role requires advanced programming expertise, cloud-native experience, financial services knowledge, and leadership in responsible AI use within engineering workflows.

Design, develop, test, and maintain real-time online software controlling radio telescope systems. Translate scientific observing parameters into hardware configurations and commands, model domain constraints, diagnose cross-system issues, document requirements and designs, and support code reviews, testing, and releases for mission-critical observatory facilities.

Develop, test, maintain, and document real-time monitor and control software for radio telescopes. Responsibilities include interfacing with hardware and electronics, modeling antenna and instrument configurations, implementing validation rules, diagnosing distributed-system issues, supporting mission-critical 24/7 facilities, and collaborating with scientists, engineers, and telescope operators.

Build and maintain FT Base, a mission-critical web platform powering data ecosystem, AI agents, and CRM. Implement new features, refactor and stabilize code, review and secure prototypes, and ensure test coverage and documentation. Collaborate with teammates and apply prompt-driven AI development responsibly.