Top Senior Software Engineer Jobs

Design, develop, test, and maintain modern C++ mission-critical software for fire control, flight, ground, and command-and-control systems. Work on Linux-based embedded and edge platforms, hardware and sensor interfaces, distributed networks, and secure system architectures. Troubleshoot issues across software, hardware, networking, and deployment environments while collaborating with multidisciplinary engineering teams. Support field testing, customer demonstrations, system integration, and travel of up to 20%.

Own a product area end to end, making independent architecture, scope, and engineering investment decisions. Collaborate with leadership on product direction, improve the engineering team through reviews and design discussions, and work across backend, web, mobile, and infrastructure layers. The role requires strong judgment, autonomy, communication with non-engineers, and a history of owning outcomes in production software.

Develop spacecraft simulation software across the full software lifecycle. Responsibilities include establishing requirements, modeling spacecraft components and space environments, integrating and validating simulations, developing simulation frameworks and graphical interfaces, supporting real-time operations and mission analysis, performing trade studies, and preparing technical documentation. The role is fully onsite in Dulles, Virginia, requires an active TS/SCI clearance, and may be filled at Principal or Senior Principal level.

Develop and maintain brokerage platform software across the full lifecycle, including design, coding, implementation, testing, documentation, deployment, debugging, and user requirements gathering. Work may involve Java Swing front-end trading platforms or Core Java back-end data and transport layers requiring multithreading and high throughput. Candidates should understand complex systems, propose solutions, and collaborate effectively with users and the development team.

Design, develop, implement, test, and support high-quality internal software and customer-facing products. Enhance existing products and design APIs that integrate systems. Ensure security measures and perform code testing and reviews.

Design and build the control plane for Postgres clusters, ensure data protection, automate database operations, and collaborate with customers to enhance the platform.

The Software Engineer will develop web applications using Elixir and Phoenix, mentor other engineers, and improve code quality and platform engagement.

As a Senior Advanced Software Engineer, you will lead the development and quality assurance of slot game software, mentor junior engineers, and ensure compliance with standards.

The job requires a Software Engineer with a minimum of 5 years experience in C# and WPF development, along with knowledge of BLE and XAMARIN.

This role requires a Bachelor's degree in Computer Science and over 5 years of software industry experience focusing on technical support, C++, SQL, databases, and Linux.

KRG Technologies is seeking a Java Developer with at least 8 years of experience in Java/J2EE, networking, and related technologies.

Develop, modify, and maintain full-stack applications on Windows; design databases, write Java code, perform test automation, work in Agile teams, and participate across the software development lifecycle while communicating with stakeholders.

The Software Engineer Level 3 will design, develop, and maintain software systems, focusing on security and quality within an Agile team environment.

Lead a development team to design, build, and test software applications for Windows and Unix, ensuring high-quality GUI and implementation in an agile environment.

Design and implement cloud networking solutions for the Blast Protocol, redesign client-server connection establishment, improve connectivity and reliability, build automation frameworks, collaborate across teams, modernize legacy stacks, and apply cloud-native/container-based approaches.

The Full Stack Software Engineer will develop and maintain applications across backend and frontend, collaborating to enhance the SaaS platform, and providing mentorship.

Develop, maintain, and enhance complex software systems and databases. Debug and modify code, design and implement algorithms, integrate and configure ServiceNow solutions, lead and oversee development teams, coordinate with engineers and stakeholders, implement testing and quality control, and recommend technologies and process improvements.

The Senior Software Engineer will develop high-performance software for executing open-source LLMs on custom hardware, focusing on optimizations and efficient libraries primarily in C++.

The Principal Software Engineer will handle complex software design and integration, mentor others, and perform root cause analysis on software/hardware issues.

The Lead BI Software Engineer will manage BI applications, conduct full lifecycle management, and develop reports using SQL Server BI tools in a Microsoft environment.

The Software Engineer will leverage advanced software engineering skills to develop solutions in investment management, focusing on data management, reporting, and application support.

Pipeline for software engineering roles at multiple levels. Work may include design, development, testing of embedded or application software, firmware and hardware-software integration, code review, debugging, performance optimization, Agile/Scrum practices, and cross-functional collaboration with systems, controls, and hardware teams.

Design, develop, test, and debug new and existing software across Windows, Android, and Linux. Provide maintenance, troubleshooting, configuration management, and customer support. Work in Agile, collaborate with team members, recommend continuous improvements, and help sustain and advance organizational capabilities.

The Software Engineer will build and maintain infrastructure for high-quality research, focusing on processing EEG datasets and developing data pipelines. Responsibilities include managing software stacks and optimizing performance, collaborating with researchers in brain-computer interface technology.

The Java Software Engineer will implement, debug, and unit test product applications, design data-driven architectures, and support product maintenance and deployment phases.