Top Senior Software Engineer Jobs in Portland, ME

The Staff Software Engineer will develop user experiences and APIs for banking applications, focusing on code quality, system design, and team mentorship.

The Senior Software Engineer at Alkami builds user experiences for bank administrators and customers, focusing on coding best practices, system design, and technical guidance in an agile environment.

Design and build backend services and core user experiences for bank administrators and customers. Develop robust, well-tested REST APIs, integrate third-party services (e.g., Plaid, SendGrid), apply domain-driven design and microservice architecture, participate in system design, and provide technical guidance and code reviews within an agile SCRUM environment.

As a Senior Backend Engineer, you'll lead backend architecture, drive technical decisions, optimize systems for performance, and coordinate across teams to enhance consumer-facing features.

The role involves owning the email channel's infrastructure, developing frontend experiences, designing backend systems, and ensuring deliverability in a cloud-native environment.

Design and implement high-performance Rust software systems for military applications, ensuring reliable deployments and integration with hardware. Collaborate across teams to optimize performance and support mission-critical functions.

As a Senior Software Engineer, you'll design and build distributed systems in Go, collaborate across teams, and ensure performance and reliability at scale.

Own and deliver reliable, secure software in a regulated healthcare environment. Drive solutions from ambiguity to production, build automation to reduce developer toil, mentor engineers, champion AI-assisted coding, and optimize database performance and schemas.

Design, build, and enhance Cority's software platform across product streams. Own features end-to-end, debug cross-system issues, drive observability, contribute technical direction, perform code reviews, mentor junior engineers, and collaborate with Product Owners to translate requirements into scalable technical designs.

Design and develop scalable software applications, implement automated testing, mentor junior developers, and optimize performance in a remote environment.

Lead a software engineering team to build scalable, cloud-native applications while mentoring engineers and integrating AI solutions. Drive technical strategy, architecture, and best practices in DevOps and cloud systems.

The Senior Software Engineer will design, build, and maintain solutions for transit agencies, focusing on IoT devices and cloud services, ensuring reliable communication and device management.

The Senior Backend Engineer will design and build scalable cloud-native backend systems for real-time monitoring and automation in HVAC operations, owning the entire lifecycle of services and mentoring junior engineers.

Lead Android-first development of growth experiments and features, using AI-native workflows to design, implement, instrument, and analyze A/B tests. Ship performant, reliable Android experiences at scale, mentor teammates, participate in on-call, and codify AI-native engineering playbooks for broader adoption.

Work on a cross-functional Agile product team to design, develop, test, and maintain scalable web applications. Lead solution design, mentor engineers, recruit, write unit/integration/performance tests, collaborate with product owners, own services at scale, and follow software engineering best practices throughout the SDLC.

Lead a small cross-functional engineering pod to design and implement end-to-end features, define testing strategy, reduce technical debt, mentor junior engineers, participate in customer discovery, and drive AI-assisted development practices to improve team throughput and quality.

Lead architecture and implementation of the React Native mobile app, set testing strategy, reduce technical debt, mentor junior engineers, partner with Product/Design, and drive AI-assisted development to improve field-worker UX and reliability.

As a Senior Software Engineer, you'll build the core infrastructure for AI agents using Redis, write Go code, and shape product direction while operating with high autonomy.

The Staff Software Engineer will architect and implement scalable data systems, collaborate with teams, mentor engineers, and ensure data integrity.

SewerAI seeks a Senior Full-Stack Software Engineer to develop an AI-powered sewer inspection platform, focusing on computer vision, geospatial analysis, and robust data pipelines.

The Senior Software Engineer at Omada Health will develop scalable backend systems for healthcare applications, lead projects, code, and mentor junior engineers while integrating AI tools and collaborating across teams.

You will modernize a VB6 legacy codebase using AI tools, refactoring and building new components in Python and SQL while debugging production issues.

Design, build, and maintain cloud-native applications using .NET and React. Develop backend services, APIs, and front-end interfaces while ensuring system stability and scalability. Collaborate across teams to improve healthcare solutions through software and AI-powered tools.

As a Senior Software Engineer, you will design and develop user-facing products and back-office tools while collaborating with diverse teams to solve complex problems with innovative solutions.

As a Senior Software Engineer, you will lead the architecture and delivery of high-quality production code, improve software efficiency with AI tools, and ensure system reliability through integrations and monitoring frameworks.