Top Senior Software Engineer Jobs

Design, develop, test, and document high-reliability C++ software for embedded, real-time radar systems supporting air-to-air applications. Translate requirements into software designs, build test frameworks, improve DevSecOps practices, conduct peer reviews, develop analysis tools, and resolve software defects. The role involves integrating complex systems, performance optimization, multithreading, memory management, and automated testing, with opportunities to work on signal processing, GPUs, RDMA, MATLAB algorithms, and radar technologies.

Designs, develops, tests, and documents high-quality C++ software for mission-critical, real-time embedded radar systems focused on air-to-air applications. Translates requirements into software designs, develops testing and analysis tools, supports DevSecOps practices, participates in peer reviews, integrates software with larger systems, and performs defect root-cause analysis and correction.

Designs, implements, tests, and maintains back-end services for internal web applications and embedded software for real-time systems. Owns complex technical efforts, collaborates with program teams, and helps evolve Electronic Warfare software architecture. The role requires C++ and Python development, distributed systems experience, custom operating system image configuration, and an active U.S. Secret clearance. Preferred experience includes Big Iron, modular open systems, automated testing, CI/CD, and Agile development.

Develops, integrates, debugs, tests, and supports web-based analytics and visualization tools for electronic warfare programs. Leads software engineering contributions, manages requirements and development processes, creates reusable software, identifies technical risks, and mentors engineers. The role requires full-stack development, cross-functional collaboration, technical documentation, and on-site work supporting defense programs.

Develop, integrate, test, and maintain embedded software and ground-system applications. Build CI/CD pipelines, automated tests, and containerized solutions while applying systems engineering practices for requirements, interfaces, verification, and validation. Support customer design reviews and mission integration activities, collaborate across engineering teams, present technical information, and provide leadership and mentorship. The role requires on-site work, an active Secret clearance, and eligibility to obtain TS/SCI.

Designs, integrates, debugs, tests, and supports web-based analytics and visualization tools for Electronic Warfare programs. Leads software engineering contributions, develops requirements and operational concepts, plans tools, manages reusable software, mentors engineers, documents technical work, and tracks technical risks. The role is fully onsite in Nashua or Manchester, New Hampshire, and requires active U.S. government clearance with the ability to obtain Top Secret access.

Develop, integrate, test, and maintain embedded software and ground-system applications. Build CI/CD pipelines, automated testing infrastructure, and technical solutions for complex software integration challenges. Support systems engineering activities, customer program reviews, presentations, and mission integration. Provide technical leadership, mentor less-experienced employees, and collaborate across engineering teams. The role requires on-site work, an active Secret clearance, and the ability to obtain and maintain TS/SCI clearance.

Develop and integrate real-time embedded software for Weapons Direction Systems supporting naval defense programs. Responsibilities include software migration and rehosting, code development, testing, analysis, configuration management, design reviews, problem resolution, and coordination with internal and external engineers. The role supports system testing, customer deliverables, and occasional travel to facility and shipboard test locations.

Develop, integrate, test, and maintain embedded software and ground systems, including CI/CD pipelines, automated testing, and integrations with industry-standard applications. Apply systems engineering practices for requirements, verification, validation, interfaces, and design reviews. Support customer program gates, mission integration, and technical presentations while providing leadership and mentoring to less experienced engineers. The role requires on-site work five days per week and an active Secret clearance with the ability to obtain TS/SCI.

Leads software engineering efforts within commercial banking, providing technical guidance, developing and reviewing secure production code, and solving complex design and functionality challenges. Drives adoption and governance of AI-assisted engineering practices, automation, responsible AI controls, and SDLC frameworks. Serves as a subject matter expert, influences product and technical decisions, promotes engineering standards, and partners with technical and business stakeholders to deliver stable, scalable cloud-native systems.

Leads software engineering within agile teams by designing, developing, testing, and troubleshooting secure, scalable Java or Python applications. Builds blockchain solutions, including Ethereum smart contracts and decentralized applications, and uses AWS to deploy cloud systems. Contributes to architecture, resiliency, CI/CD, data analysis, and production stability. Drives responsible adoption of AI-assisted engineering tools, establishes validation standards, and coaches engineers on secure and compliant usage.

Leads software engineering for cloud financial management products, providing technical direction and developing secure, scalable production code. Modernizes front-end applications with React, improves CI/CD and automated testing, and integrates AI-assisted engineering practices responsibly. Influences architecture, product design, and operational processes; resolves recurring issues through automation; contributes to SDLC governance; and evaluates vendor and startup solutions. Requires strong Java or Python skills, cloud-native experience, financial services knowledge, and expertise in application resiliency and security.

Build and operate high-throughput, highly available backend systems that classify, enrich, segment, and route customer documents. Own features from architecture through production, improve observability and reliability, evaluate ML and LLM pipeline innovations, coordinate cross-functional projects, and participate in an on-call rotation for escalations and SEV response.

Build and ship web-based transportation management software for trucking customers. Collaborate with product, UX, engineers, and users to solve domain-specific problems, deliver features quickly, make sound quality-versus-velocity tradeoffs, and contribute across the engineering team in a remote-first environment.

Lead large-scale initiatives for a high-performance Linux-based network sensor, improving ingestion, scalability, continuous capture, queue reliability, observability, and production diagnostics. Own root cause analysis and postmortems, establish engineering standards, translate business goals into technical plans, and mentor engineers through design and code reviews. The role requires deep Rust expertise, distributed systems experience, concurrent programming, packet capture, message brokers, and cybersecurity best practices.

Senior full-stack JavaScript engineer to develop and modernize web applications. Build backend APIs with Node.js, create responsive single-page apps using Angular.js or Vue.js, implement consistent CSS/SASS, follow MVC/MVVM patterns, work in Agile/Scrum, and promote usability and scalability within a financial services context.

Leads development of an agentic data quality platform within an agile Asset & Wealth Management technology team. Responsibilities include full-stack application ownership, secure software design, AI-assisted coding, autonomous agent and MCP server development, data platform engineering, troubleshooting, and scalable production delivery. The role uses frontend, backend, cloud, data engineering, platform engineering, and applied LLM technologies while applying secure coding, responsible AI, observability, CI/CD, and controlled release practices.

Leads development of secure, scalable Java and cloud applications; designs, codes, tests, debugs, and reviews production software. Drives AI-assisted engineering practices, automation, monitoring, operational stability, secure SDLC adoption, and application resiliency. Evaluates vendor and internal architectural solutions while coaching teams on responsible AI use, secure coding, testing, and agile delivery.

Lead the design and delivery of secure, scalable AWS platform capabilities across networking, EC2, and storage. Build and maintain Terraform infrastructure-as-code modules, develop Python automation, implement secure-by-default cloud patterns, improve reliability, review code, resolve complex issues, and mentor engineers. Partner with architecture, security, and application teams to deliver standardized foundational services at enterprise scale.

Designs, develops, tests, deploys, and supports reliable software solutions and significant components from inception through production. Builds APIs and integrations, applies Agile, DevOps, and CI/CD practices, improves automation and observability, performs testing and troubleshooting, and resolves production issues. Collaborates with product, architecture, engineering, and business teams, coordinates upgrades and vendor integrations, manages technical debt, communicates risks and value, and provides guidance to junior engineers.

Designs, develops, tests, deploys, and supports enterprise software solutions, APIs, integrations, and MDM components. Responsibilities include technical design, automated testing, CI/CD, DevOps, monitoring, troubleshooting, performance and reliability improvements, production support, and technical documentation. The engineer collaborates with product and business stakeholders, manages integrations and upgrades, addresses technical debt, supports incident escalations, and provides guidance to junior engineers.

Designs, develops, tests, deploys, and supports reliable software solutions and significant application components. Translates business requirements into technical specifications, builds APIs and integrations, improves CI/CD and DevOps automation, performs testing and troubleshooting, monitors application health, and resolves production issues. Collaborates with product, architecture, engineering, and business teams while managing technical debt, supporting upgrades, guiding junior engineers, and participating in critical incident escalations.

Design, build, and operate distributed services, automation frameworks, and observability systems supporting LogScale and NG-SIEM fleets across multiple clouds and datacenters. Develop microservices, infrastructure tooling, scaling and configuration systems, and secure Kubernetes deployments. Lead technical design, improve reliability, participate in on-call support, collaborate across teams, and mentor engineers while supporting large-scale event ingestion and query workloads.

Leads the design, development, deployment, and production support of scalable clinical data solutions. Mentors software developers, provides hands-on technical leadership, builds data-intensive applications and microservices, applies generative and agentic AI, and establishes practices for reliability, observability, testing, and CI/CD. Partners with technical and business stakeholders to solve complex problems, manage risks, and deliver enterprise-scale solutions.

Leads the technical strategy, architecture, development, and optimization of Caterpillar’s ecommerce search platform. Mentors search engineers, develops NLP, vector search, personalization, and machine-learning capabilities, and builds scalable, low-latency distributed systems. Uses analytics and KPIs to improve search relevance and user experience while collaborating with product managers, data scientists, and engineering teams. The role requires extensive search-engineering experience, AWS OpenSearch expertise, software development proficiency, and technical leadership.