Top Entry Level Software Engineer Jobs

Develop and maintain software and algorithms for synthetic aperture radar, electro-optical, and remote-sensing systems supporting defense and intelligence customers. Responsibilities include translating prototypes into robust applications, collaborating with radar and research experts, participating across the software development lifecycle, troubleshooting issues, testing, documentation, and learning advanced sensing technologies. The role is onsite in Ypsilanti, Michigan and requires U.S. citizenship plus eligibility for a TS/SCI clearance.

Develop robust software and algorithms for synthetic aperture radar, electro-optical, and remote sensing applications. Convert algorithm prototypes into production software, collaborate with radar and research experts, participate throughout the software development lifecycle, troubleshoot technical issues, and improve image quality. The role supports defense and intelligence customers and requires an active TS/SCI clearance and onsite work.

Develop and maintain software and algorithms for synthetic aperture radar, electro-optical, and remote-sensing applications supporting defense and intelligence customers. Responsibilities include translating prototypes into robust applications, collaborating with radar and research experts, participating throughout the software lifecycle, troubleshooting issues, and improving image quality. The role requires an active TS/SCI clearance and onsite work in Chantilly, Virginia.

Develop scalable full-stack analytics applications used by global clients. Responsibilities include designing service-oriented architectures, building web applications and microservices, writing maintainable and testable code, developing algorithms for large-scale data processing, contributing across the software development lifecycle, participating in code reviews, and collaborating in agile teams. The role requires expertise in Java, Spring Boot, React, PostgreSQL, system architecture, algorithms, and high-performance data environments.

Design, develop, test, and maintain scalable distributed systems, APIs, cloud services, and platform capabilities for secure U.S. government environments. Build monitoring, telemetry, automated tests, and operational tooling; diagnose issues; participate in incident response and readiness reviews; apply security and compliance practices; and collaborate with product, infrastructure, security, and engineering teams.

Develop and maintain Python-based geospatial data workflows, analysis tools, GIS applications, web services, and data products. Perform spatial analysis and QA/QC for geospatial data, code, and automated workflows. Support database, web application, and enterprise GIS integrations while documenting processes, testing solutions, and communicating technical results. The role collaborates with GIS professionals, developers, scientists, and stakeholders and requires eligibility for a DOE Q-level clearance.

Build and polish Notion’s native Android experience using Kotlin and Jetpack Compose. Develop core features such as page rendering, editing, navigation, Home, Search, and Inbox while improving startup time, scrolling, typing latency, reliability, offline functionality, and memory use. Partner with product and design, use AI coding tools, own a core product area, and contribute to testing, monitoring, and shared mobile frameworks.

Design, develop, and maintain high-quality software systems supporting a global financial-instrument database. Write performant, maintainable code; collaborate with project and software managers on functional and design specifications; and learn new technologies and development practices to improve system performance, reliability, and development efficiency. The role requires Java, Python, SQL, and relational database expertise, with Oracle PL/SQL and Oracle RDBMS experience preferred.

Designs and develops interactive dashboards, web applications, APIs, and database solutions for incident response and logistics. Uses ASP.NET Core, Angular, SQL Server, and T-SQL to build secure software, optimize data processing, and support transaction workflows. Responsibilities include implementing CRUD APIs, developing stored procedures, applying secure software and cloud security principles, and troubleshooting critical software issues.

Build and evolve Notion’s iOS platform, including shared frameworks, architecture, testing, build systems, observability, CI/CD, and release-quality tooling. Partner with mobile AI and core product engineers to improve developer workflows, evaluate iOS capabilities, and drive adoption of platform standards. Use AI tools and agents to enhance engineering productivity while supporting a reliable mobile application used by millions.

Design, develop, implement, and test full-stack software features; improve existing products; analyze requirements; integrate new technologies; and own projects through completion. The engineer collaborates with QA, Product Management, Device Engineering, and Quality Engineering to deliver robust, scalable consumer technology products involving wireless, IoT, web, mobile, and cloud systems.

Designs, develops, tests, deploys, operates, and improves secure software solutions. Owns moderately complex features from refinement through production, applying modern engineering, cloud-native, CI/CD, testing, observability, DevSecOps, and production-support practices. Collaborates with product, architecture, security, data, operations, and business teams; diagnoses defects, evaluates technical trade-offs, supports less-experienced engineers, and applies AI-enabled tools responsibly.

Develop and integrate embedded software for U.S. Army ground combat weapon systems. Responsibilities include requirements, coding, testing, software safety, cybersecurity engineering, system integration, fire-control functionality, verification and validation, digital engineering, risk mitigation, and technical coordination with customers and subcontractors. The role supports ballistic, targeting, sensor, firmware, and system-of-systems interfaces, with travel to customer sites, partner facilities, test ranges, and integration events.

Develop scalable, resilient, user-facing features for a core product and single-page application. Drive product planning, implementation, testing, releases, and engineering best practices. Collaborate cross-functionally, contribute to engineering culture and processes, make design-versus-feasibility tradeoffs, and use user feedback to shape product improvements while addressing increasing scale and complexity.

Develop and maintain Java-based client/server applications, RESTful services, databases, ETL solutions, and ServiceNow applications. Support legacy-system modernization, data migration, application interfaces, cloud services, encryption, and operating-system environments. Troubleshoot reliability issues and programming defects, provide technical customer support, and contribute to security documentation and authorization processes. The role requires a TS/SCI clearance with a full-scope polygraph.

Build and operate Python backend services and automated pipelines for securely transferring model weights, configurations, code, and container images to strategic partners. Responsibilities include implementing validation and business logic, integrating source control, storage, and build systems, improving reliability through testing and monitoring, debugging cross-service issues, and collaborating with research, security, infrastructure, and partner engineering teams.

Develop full-stack, infrastructure, robotics, and graphics products for autonomy development workflows. Engineers build features and tools across the technology stack, collaborate with domain experts and users, influence product decisions, and solve complex engineering problems in a fast-paced environment.

Develop and maintain high-quality, extensible scientific software using modern C++. Collaborate with software engineers and domain experts on computer vision, physics and atmospheric modeling, high-performance computing, space domain awareness, and machine learning applications. Work may involve cross-platform development, graphics, user interfaces, simulation, and scientific computing. Candidates must be U.S. citizens, undergo a background investigation, and be able to work at government or customer sites in Northern Virginia.

Develop and maintain high-quality scientific software using modern C++ practices. Collaborate with software engineers and domain experts to solve problems involving computer vision, atmospheric and physics modeling, high-performance computing, space domain awareness, and machine learning. Design extensible cross-platform code and potentially work with graphics, user interfaces, simulation, orbital mechanics, and machine learning technologies. The role requires U.S. citizenship and willingness to undergo a background investigation.

Develop and maintain high-quality scientific software using modern C++ practices. Collaborate with software engineers and domain experts to solve complex problems involving computer vision, physics and atmospheric modeling, high-performance computing, space domain awareness, and machine learning. The role may involve cross-platform development, graphics, user interfaces, simulation, and scientific data analysis. Applicants must be U.S. citizens, undergo a background investigation, and be able to work at government or customer sites in Dayton, Ohio.

Designs, develops, tests, documents, deploys, and supports reliable web applications and services using C#, PHP, and related technologies. Responsibilities include code reviews, troubleshooting production issues, application architecture, API and database development, cloud and CI/CD practices, collaboration with stakeholders, and mentoring junior engineers.

Develops and tests quality Java software using clean-code principles and team standards. Participates in agile ceremonies, code reviews, refactoring, CI maintenance, performance testing, incident resolution, and routine service changes. Contributes to component designs, identifies operational issues, incorporates information security, supports teammates, onboards new members, and continuously improves software quality and technical skills.

Build and maintain backend services, REST APIs, cloud workspace provisioning systems, and resource orchestration infrastructure. Improve performance, reliability, scalability, and security while developing integrations, SDKs, and developer tools. Contribute to architecture and ship features from concept to production. The role requires strong TypeScript, JavaScript, and Node.js skills, backend and database knowledge, and familiarity with Docker, Linux, and cloud infrastructure.

Develop, integrate, and test safety-critical software for Aegis missile systems, communications test sets, virtual operational missile programs, and monitor-and-control units. Support Kill Assessment System playback and real-time data analysis, interface with Aegis and MK 41 VLS components, and participate in waterfront, land-based, and flight testing. The role requires C++ and VxWorks development experience and an active Secret clearance.

Designs, develops, and maintains scalable backend, frontend, or infrastructure systems. The role owns features through deployment, improves performance and reliability, conducts code reviews, collaborates cross-functionally, documents technical processes, and evaluates emerging technologies. Experience with modern programming languages, cloud services, CI/CD, Docker, Kubernetes, system design, and distributed or real-time applications is valued.