Top Software Engineer Jobs

Designs, develops, integrates, tests, and administers embedded and real-time software for flight and mission-critical systems. Participates in the full software development lifecycle, including requirements, architecture, implementation, qualification, and delivery. Works in Agile Scrum teams with systems engineering, DevSecOps, cloud, automation, and testing groups. Analyzes system capabilities, resolves software issues, and supports multiple software baselines and real-time operating system environments.

Leads engineering for one or more product-domain teams, partnering with Engineering Managers, Product, Data Science, Analytics, and Insurance stakeholders. Responsibilities include setting technical strategy and roadmaps, coaching engineers, driving cross-team initiatives, contributing code, leading incident response and resiliency improvements, and establishing engineering standards. Requires strong Ruby on Rails expertise, Rust familiarity, software leadership experience, and excellent communication skills.

Build, maintain, and steward open source cloud-native software for defense environments. Responsibilities include designing and implementing features, reviewing code, managing releases, engaging open source communities, resolving technical ambiguity, documenting systems, making architecture decisions, improving security and interoperability, and mentoring engineers. The role requires strong Go development, Kubernetes and cloud architecture expertise, collaboration with contributors and users, and participation in ecosystem standards and projects.

Leads backend software engineering for Asset and Wealth Management systems. Develops secure Java and Python services, designs AWS cloud-native architectures, builds Kafka-based distributed systems, and establishes CI/CD and testing practices. Provides technical guidance, reviews code, drives SDLC automation and responsible AI-assisted engineering adoption, and advises on governance, security, resiliency, and compliance in a regulated environment.

Leads backend software engineering within an agile Asset and Wealth Management team. Develops and reviews secure Java or Python services, designs cloud-native AWS systems, and applies Kafka, distributed systems, CI/CD, and testing expertise. Guides technical teams, influences architecture and operations, and drives enterprise adoption of AI-assisted engineering practices. Establishes governance, quality controls, responsible AI standards, and automation across the software development lifecycle while advising stakeholders and senior leaders in a regulated environment.

Build and ship full-stack healthcare platform features, integrations, bug fixes, and infrastructure improvements. Responsibilities include implementing clinical rules, developing AI and LLM-powered automations, integrating EHR and payer systems, improving APIs and data pipelines, writing tests, reviewing code, and owning features end to end. The role is hybrid in the Bronx and involves close collaboration with clinicians, care coordinators, principal engineers, and operators.

Design and build cloud-native optimization and planning platforms for large-scale freight logistics. Develop resilient distributed services, APIs, event-driven workflows, and integrations that evaluate transportation constraints and generate shipment plans. Lead technical architecture, proof-of-concept development, testing, deployment, and operational tooling. Collaborate with product, supply chain, data science, architecture, and business teams while mentoring engineers and applying AI, automation, and optimization technologies.

Design, develop, and test complex web software and systems. Provide technical guidance, participate in architecture decisions, conduct code reviews, ensure code quality, mentor team members, and collaborate cross-functionally to deliver high-quality solutions.

Design, develop, and support scalable cloud-native full-stack applications using Node.js/TypeScript, Svelte, and Rust. Manage PostgreSQL databases, Linux servers, Kubernetes/ECS deployments, and AWS services. Provide technical leadership, mentor engineers, drive architecture and CI/CD, troubleshoot production issues, and collaborate with cross-functional teams to deliver reliable SaaS features.

Design, build, and ship end-to-end product features for an AI-powered recruiting platform. Improve profile-result ranking, search filters, data sources, onboarding, and LLM-based workflows. Collaborate closely with founders, make engineering decisions, fine-tune models, develop feedback loops, and own projects across a stack including Next.js, React, Node.js, OpenSearch, AWS SQS, and Spark.

Designs, builds, and maintains scalable backend applications, services, and APIs for processing sensor data from smartphones and connected vehicles. Translates business requirements into technical solutions, participates in code and design reviews, supports production systems, and mentors junior developers. The role requires strong programming skills, SQL database experience, AWS experience, and hybrid work in Cambridge, Massachusetts.

Staff Software Engineer responsible for designing, building, and operating distributed market data systems. The role focuses on real-time blockchain data ingestion, streaming, normalization, storage, APIs, reliability, data correctness, observability, incident recovery, and production support. The engineer will lead technical decisions, mentor teammates, translate ambiguous requirements into designs, and use AI-assisted development throughout the software lifecycle.

Own architecture and technical direction for mission-critical Rust services, including an AI/API gateway, policy engine, Kubernetes controller, and ingestion worker. Write production Rust code while supporting Kubernetes, Helm, Argo CD, AWS EKS, Terraform, and Python tooling. Use AI coding tools daily, support secure government deployments, and contribute to on-call, observability, security engineering, and agentic AI services.

Develop, test, document, and deploy mobile software for the Fanatics Sportsbook app. Build features using Kotlin Multiplatform and modern mobile UI frameworks, collaborate with product and design teams, participate in code reviews and Agile planning, support production through on-call troubleshooting, and contribute to software quality, operational excellence, and customer experience.

Designs, develops, integrates, and supports enterprise Oracle Cloud Financials solutions across Procurement, AP, AR, Collections, and GL. Leads financial systems enhancements, integrations, production troubleshooting, reporting, testing, deployments, monitoring, and cross-functional projects. Translates finance and accounting requirements into secure, scalable solutions using Oracle Cloud technologies, mentors engineers, supports audits and month-end close, and applies automation and AI to improve operational efficiency.

Leads the design, development, and maintenance of complex backend software systems. Owns significant features end to end, makes architectural decisions, improves scalability and performance, ensures code quality, mentors engineers, and collaborates with cross-functional teams. Builds production-ready C# and .NET APIs within microservices and containerized environments, using cloud databases and services. Participates in code reviews, testing, debugging, and continuous improvement.

Staff and Principal Software Engineers will own large technical domains end to end, making architecture decisions, building scalable backend systems, improving reliability and performance, and collaborating with product, leadership, and customers. Responsibilities include mentoring engineers, driving cross-team technical decisions, and shipping production solutions. Potential areas include AI telemetry, billing ingestion, cloud data infrastructure, integrations, identity, cost optimization, and customer-facing applications.

Own the architecture, reliability, operation, and evolution of Trustly’s payments transaction orchestration systems. Lead service contracts, observability, on-call operations, incident response, root-cause remediation, documentation, AI-assisted implementation, and integration testing. Partner with global engineering teams, take ownership of a mature business-critical codebase, and help hire and lead a new team. The role requires deep distributed-systems expertise, payment or financial systems experience, and strong knowledge of correctness, concurrency, idempotency, and production operations.

Lead technical strategy and engineering quality across Payment Intelligence products. Drive performance, distributed systems, APIs, and frontend work; collaborate with ML, product, and design teams; partner with large merchants and ship scalable, high-quality software.

Develop, test, debug, integrate, and maintain software for embedded navigation systems supporting national defense products. Apply MATLAB/Simulink, C, C++, or Python; use model-based engineering and agile practices; perform software and system integration; and support mission- and safety-critical development. The role requires collaboration, technical leadership, navigation algorithm experience, onsite work, U.S. citizenship, and the ability to obtain and maintain a Secret clearance.

Develop and support full-stack SaaS, e-commerce, and consumer applications throughout the software development lifecycle. Design scalable distributed systems using Microsoft technologies and Azure, write secure and high-quality code, troubleshoot issues, apply AI-assisted development practices, contribute to architecture and engineering culture, collaborate with business teams, and mentor software engineers.

Develop and certify flight software for NASA’s lunar base, vehicles, and assets. Responsibilities include software requirements and interface definition, design, development, systems engineering, integration, testing, verification, performance analysis, and avionics test-bed integration. The engineer will collaborate with NASA programs and contractors while following Johnson Space Center software processes. The role requires C and Linux expertise, full software lifecycle experience, and strong communication and teamwork skills.

Set web application architecture across frontend, APIs, and supporting services; lead Angular-to-React and BFF-to-Platform API modernization; establish cloud deployment, API, accessibility, performance, testing, and quality standards; design EMR/EHR integrations; partner across platform and mobile teams; shape regulated software traceability; and mentor engineers through reference implementations, tooling, and technical leadership.

Set full-stack web architecture across React, Angular, APIs, BFFs, and cloud platforms; lead large-scale modernization, integrations, deployment patterns, engineering standards, testing, accessibility, performance, and regulated design controls. Build reference implementations and tooling, partner with platform and mobile teams, mentor engineers, and establish practices adopted across multiple teams.

Build, deploy, maintain, and monitor highly scalable backend applications and distributed systems. Write performant, secure, fault-tolerant code; review peers’ work; evaluate technologies; develop automated tests; improve observability and availability; manage technical debt; and collaborate across teams to deliver reliable customer-facing platform features.