Top Entry Level Software Engineer Jobs

Build and maintain cloud software on ServiceNow’s development platform. Responsibilities include collaborating with developers in an Agile Scrum environment, designing and owning customer-focused features, coding, debugging, testing, and ensuring product quality across future releases. The role requires Java and object-oriented programming, relational database experience, front-end development skills, and familiarity with development tools, source control, build systems, and Unix utilities.

Develop, deploy, and maintain full-stack internal software tools for Shield AI teams. Collaborate with stakeholders to refine requirements, architect robust solutions, and deliver tools that improve team workflows. The role involves supporting a varied suite of applications, from aircraft physics analysis tools to ticket-tracking systems.

Forward Deployed Software Engineers design and build data- and AI-powered applications for customer organizations. They collaborate with engineers and stakeholders, analyze large-scale data, make architecture decisions, engage directly with technical and executive users, and lead projects from ideation through deployment. The role requires strong coding, analytical problem-solving, teamwork, adaptability, and willingness to travel up to 25% to client sites.

Design, analyze, and implement real-time optimization software for tracking and planning aircraft trajectories across the National Airspace System. Apply operations research, optimization, statistics, data science, and machine learning to mission-critical aviation systems. Develop algorithms using approaches such as linear programming, mixed-integer programming, constraint satisfaction, and greedy optimization. Analyze large datasets, build predictive models, collaborate across teams, and use modern LLM tools to improve development workflows and code quality.

Build software simulators modeling the National Airspace System, including aircraft trajectories, weather, air traffic control, and pilot behavior. Design simulation infrastructure and physics-based models using discrete-time simulation, statistics, algorithms, and Monte Carlo analysis. Develop mission-critical software for aviation decision-support systems and collaborate across teams in a safety-critical environment.

Develop and maintain satellite command-and-control, mission-planning, mission-data processing, and data-analysis software using Elixir. Collaborate on architecture, design, and code reviews while working across engineering disciplines. The role requires functional programming, resilient and fault-tolerant distributed systems, front-end development, live-system debugging, and strong communication. Preferred experience includes Elixir OTP, React, TypeScript, OAuth2, network protocols, databases, and distributed-system monitoring.

Develop and support scalable Java microservices and REST APIs for Mastercard’s global Identity Check authentication platform. Responsibilities include software design, coding, testing, deployment, performance optimization, secure coding, troubleshooting, architecture collaboration, automated testing, and production reliability. The role works within an Agile team and uses technologies including Spring Boot, Kubernetes, Docker, Oracle, Redis, and modern AI-assisted development tools.

Build and improve data processing infrastructure and query engines supporting Palantir Foundry. Develop query planning rules, native execution capabilities, and large-table performance improvements using technologies such as Apache Spark, DataFusion, Iceberg, Arrow, and Parquet. Contribute across design, coding, testing, code review, and release while emphasizing correctness, compatibility, and predictable performance.

Develop and scale the LogScale backend engine using Scala for high-volume distributed event ingestion, querying, storage, and availability. Design and deliver features, improve scalability, write automated tests, monitor production deployments, troubleshoot customer issues, document technical decisions, research technologies, and provide technical leadership through mentoring and code reviews.

Build a high-performance frontend data platform for exploring and analyzing hardware telemetry. Develop React and TypeScript applications, interactive time-series visualizations, data visualization plugins, complex application state management, and LLM-assisted analysis workflows. Collaborate directly with hardware engineers and customers to define interfaces, prototype workflows, demonstrate features, and incorporate feedback into product development.

Develop and test secure, modular, high-quality software for Mastercard payment technologies. Contribute across design, development, documentation, testing, maintenance, runtime operations, dependencies, and builds. Apply algorithms, data structures, object-oriented design, and modern programming languages while collaborating effectively in a global Agile environment.

Develops and enhances complex software systems, analytics, visualization tools, and RF signal-processing applications. Integrates software across hardware platforms, reviews and tests components, resolves software issues, and contributes to system design, requirements analysis, software reuse, and COTS/GOTS evaluations. The role supports intelligence and national-security missions using Linux and modern programming languages.

Develop and launch scalable full-stack search systems using JavaScript, TypeScript, Python, or Kotlin. Collaborate with engineers and stakeholders, balance delivery speed with system reliability, debug code, participate in code reviews, write tested and extensible software, and contribute to team growth and communication.

Build and operate highly reliable card-issuing software and tooling across authorization, clearing, settlement, certification, and network integrations. Serve as a technical expert on card-network specifications, protocols, mandates, and production behavior. Lead complex cross-team engineering work, debug protocol-level issues, influence network requirements, mentor engineers, improve platform reliability, and participate in on-call support for critical financial systems.

Develop and integrate software for advanced aerospace and defense electronics, including software-defined radios, avionics, and electronic warfare systems. Responsibilities include coding, debugging, software and hardware integration, regression testing, requirements testing, and participation across the software lifecycle. The role includes project rotations, mentorship, technical training, and collaboration in a hybrid work environment.

Develop, test, support, and troubleshoot production software for a TLD registry platform. Collaborate with experienced engineers to build scalable, reliable solutions using cloud technologies, databases, web applications, services, and background systems. Participate throughout the software development lifecycle, provide on-call support, identify root causes, and improve system performance and maintainability while supporting global business operations.

Develop, test, deploy, and support Java applications and services for Mastercard’s distributed fraud decisioning platform. Responsibilities include translating requirements into maintainable software, designing high-performance distributed systems, writing automated tests, applying secure coding practices, optimizing performance, troubleshooting production issues, and contributing to monitoring, observability, Agile delivery, code reviews, and operational readiness.

Build and ship end-to-end features across React frontends and TypeScript/Node.js backends, including data models, APIs, interfaces, migrations, and tests. Collaborate in design and code reviews, use AI coding agents responsibly, and handle protected health information with authentication, authorization, and audit logging. The role offers mentorship, increasing ownership, and a path from Associate Software Engineer through senior technical levels.

Develops, tests, deploys, monitors, and supports secure, scalable enterprise applications using Java, modern frontend frameworks, AWS, and cloud-native technologies. Responsibilities include requirements analysis, software design, code reviews, automated testing, performance optimization, security remediation, production troubleshooting, observability, and reliability improvements. Collaborates with product owners, business partners, and engineering teams while following enterprise architecture, compliance, and software development standards.

Develops and deploys end-to-end software solutions for government customers, including system design, prototyping, application development, data integration, and cloud-based deployments. Collaborates with technical and nontechnical stakeholders, rapidly iterates based on user feedback, and solves complex operational problems using Palantir platforms and modern technologies. Requires or supports obtaining a Top Secret security clearance and willingness to travel as needed.

Lead complex card-acquiring projects from design through production, building reliable payment systems, tooling, testing frameworks, and network integrations. Work hands-on with ISO messages, routing, authorization, clearing, settlement, reconciliation, interchange, and tokenization. Set technical direction, mentor engineers, improve reliability, participate in on-call operations, and establish standards adopted across teams. The role requires deep acquiring expertise and experience operating large-scale financial systems.

Build and deploy software solutions for U.S. government customers using data to solve complex operational problems. Responsibilities include architecture, large-scale data processing, custom web application development, customer collaboration, executive communication, and end-to-end project ownership. The role requires independent decision-making, rapid learning, teamwork, and an active Secret-level-or-higher U.S. security clearance. Travel may be required, often to work with customers onsite.

Develop, debug, integrate, and test software and complex software/hardware systems for intelligence and defense customers. Work with Java, AI/ML services, software design, and agile multidisciplinary teams. Support requirements and regression testing, product demonstrations, software installation, and system testing, with possible business travel. Participate in a structured first-year engineering development and mentorship program.

Develop and deploy full-stack generative AI products, including high-performance user interfaces, backend systems, LLM orchestration pipelines, data extraction, clustering, and contract analysis at scale. Collaborate with designers, lawyers, and engineers to build innovative legal technology products and improve how lawyers work with contracts.

Design and operate scalable Kotlin or Java backend services and React interfaces supporting high-throughput advertising systems. Build microservices, APIs, event-driven systems, real-time data flows, and data-intensive search capabilities using technologies including Kafka, Redis, Elasticsearch, AWS, Docker, and Kubernetes. Drive architecture, reliability, CI/CD, troubleshooting, and performance optimization while collaborating cross-functionally and mentoring junior engineers.