Top Senior Software Engineer Jobs

Design, modify, and program software for local, networked, cloud, or internet applications. Write code, test and debug, document installation and maintenance procedures, gather user requirements, implement enhancements, and perform related duties.

Design, develop, test, and debug mainframe applications using Assembler (HLASM) and related mainframe technologies. Collaborate in Agile teams, mentor junior engineers, automate tasks with scripting, drive engineering excellence, and modernize enterprise mainframe software.

Build and own end-to-end features for a high-scale restaurant platform. Architect and scale systems, orchestrate AI agents, collaborate cross-functionally, travel to client sites, and support global teams while driving product-focused engineering outcomes.

Design, develop, and maintain cloud-native full‑stack web applications. Build responsive React front ends, .NET Core back ends and REST APIs, deploy to Azure using containers and IaC, manage relational databases, implement CI/CD pipelines, and participate in Agile ceremonies and code reviews.

Lead design, development, testing, debugging, and documentation of digital applications integrating IoT devices. Collaborate with cross-functional teams, coordinate design reviews, ensure software verification, and maintain software configuration and lifecycle processes.

Design, build, and optimize scalable serverless backend services using AWS Lambda. Implement RESTful APIs and event-driven microservices, maintain CI/CD with GitHub Actions, troubleshoot production issues, conduct code reviews, and mentor junior engineers while collaborating with QA, Product, UX, and Support.

Lead maintenance and expansion of a flagship Windows client-server accounting product. Design, implement, test, and document features; maintain large legacy C++ codebase while developing in C#/.NET. Collaborate with cross-functional teams, gather user requirements, optimize databases, ensure code quality, and apply finance domain knowledge to deliver reliable accounting software.

Work directly with customers to design and implement integrations that connect customer data to Rilla's conversational intelligence. Own end-to-end projects from data modeling and large-scale data processing to hacking integrations and full-stack features, iterate quickly with stakeholders, and travel to client sites as needed.

Lead Software Engineer to design and develop innovative AI solutions, manage projects, mentor juniors, and enhance engineering practices.

Responsible for building scalable distributed systems, mentoring teammates, innovating on technical solutions, and improving team processes. Requires expertise in backend languages, especially Golang and Typescript.

Lead and own Mercor's shared backend architecture for talent network products: design core services, data models, APIs, and infrastructure. Drive technical strategy, reduce architectural debt, lead cross-team migrations, set engineering standards, ship production code, mentor senior engineers, and partner with leadership on platform and hiring decisions.

Develop and integrate multi-module C#/.NET components, implement RESTful client/server interactions, marshal data between C# and C++, write unit tests, debug Windows services and drivers, and work with cloud environments and Intel platform technologies.

Implement and extend Java-based REST services for the Low/No Connectivity project. Build APIs, unit tests, fix defects, participate in design/code reviews and Agile team ceremonies, and coordinate with engineering and product management.

Contract software engineer to design and implement C++ (C++11) libraries and APIs within an existing framework. Work involves high-performance and parallel programming (MPI/OpenMP), Linux-based development, performance-aware coding, and collaborating with a team to extend and integrate software designs. Seismic/geoscience experience and open-source contributions are a plus.

Develop, enhance, and support Windows desktop upstream scientific business applications. Collaborate with engineers and geoscientists, troubleshoot global client issues, apply OOP patterns, write testable code, and participate in UI and web application development.

Design and implement high-performance C++ (C++11) libraries and APIs using STL, Boost, and Qt on Linux. Optimize software for hardware performance and HPC (MPI/OpenMP), extend and integrate with existing internal frameworks, follow prescribed designs, and collaborate within an engineering team. Seismic/geoscience and open-source experience are a plus.

The Software Engineer 3 will develop custom analytics and tools, collaborating with data scientists and analysts, while focusing on machine learning and big data solutions.

Develop and design HTML5 web applications using extensive JavaScript. Work with WebKit and Qt for client-side applications, support distributed team members, and engage with cable-TV related technologies and standards.

Design, develop, modify, test, and document enterprise applications across functions (finance, HR, marketing). Create system implementations, conversion plans, and train users. Participate in coding, debugging, and recommending development and maintenance standards.

Senior software developer responsible for designing, coding, debugging and supporting scalable .NET applications. Must have strong C# and SQL Server experience, REST/SOAP integration knowledge, multi-threading and network programming expertise, and excellent communication and problem-solving skills.

Build and maintain scalable Android and Android TV video experiences in Kotlin. Diagnose device issues, write unit and integration tests, perform code reviews, build telemetry, and collaborate with cross-functional teams to deliver high-quality streaming features.

The Software Engineer will develop a modern data platform, manage architecture, write reusable code, and ensure system integrations. Responsibilities include collaborating with teams, documenting processes, and enhancing applications.

Design and develop API-driven software products using agile practices. Translate user stories into designs and architectures, collaborate with product, data science and ML teams, own development decisions, and adapt to changing requirements. Emphasis on enterprise software delivery, databases, and healthcare imaging interoperability.

Develop and maintain web applications using JavaScript, HTML5, and CSS. Build with JavaScript MVC frameworks (Ember.js, jQuery), SASS, and Git. Integrate RESTful APIs, produce documentation and well-commented code, collaborate with designers, and work independently on projects.

Design and develop DRM-enabled media software for Android and Windows. Contribute to architecture, implement media frameworks and streaming protocols, work at middleware/device-driver level, and integrate DRM schemes like Widevine and PlayReady.