Top Software Engineer Jobs in Portland, ME

Build and ship end-to-end features across a TypeScript/Next.js monolith: dashboard, marketing site, billing, email, and AI-assisted tools. Own data models, APIs, third-party integrations, testing, observability, and production quality. Collaborate with the founder, review code, and improve engineering practices while delivering customer-facing features rapidly.

Lead architecture and hands-on development of the end-to-end video pipeline (live ingest, transcoding, storage, playback, and developer SDKs). Mentor engineers, collaborate across mobile/web/ML/platform teams, own monitoring and on-call support, and help scale video streaming and VoD capabilities for millions of streams and clips.

Lead technical vision and implement high-impact Ruby on Rails solutions for an internal demo platform. Improve reliability, observability, instrumentation, and integrations; partner with Product, Sales, and cross-functional teams; mentor engineers and drive architecture, testing, and engineering best practices.

Build and maintain scalable backend microservices and developer-facing APIs, lead projects end-to-end, collaborate with product and engineering teams, design secure/versioned APIs, and manage cloud infrastructure using IaC.

As a Software Engineer, you'll design and develop microservices using a cloud-native tech stack, with a focus on financial services and secure systems.

Design, build, and improve shared services and engineering capabilities for government systems. Develop software in Go and Python, review teammates' code, write design documents, and own projects. Work independently, apply engineering best practices, and ramp quickly in complex environments.

Build, integrate, and stress-test full-stack applications and backend services that leverage advanced AI models. Develop production APIs, front-end features, databases, and cloud infrastructure; troubleshoot integrations; prototype rapidly and deliver high-quality code and documentation in fast-moving environments.

Develop and maintain PowerUp Sports’ software platform, build and release new features, integrate technologies, optimize PHP applications on Azure, manage SQL Server databases, participate in code reviews, mentor junior developers, and support scalable, reliable architecture.

Build and own backend surfaces for Plane: APIs, data models, migrations, real-time sync (CDC/event streams), caching, and query performance. Instrument, monitor, and debug production incidents; collaborate with product and frontend teams across locations.

Build and maintain Plane's local-first browser client surfaces: large, virtualized workspaces, collaborative editor, offline/caching layers, and shared design-system components. Work cross-functionally with designers and backend engineers, extend sync and conflict-resolution behavior, optimize rendering performance, and triage cross-browser and self-hosted issues.

Own and build Node.js/TypeScript backend services that power integrations, importers, queues, and developer-facing OAuth surfaces. Design reliable queue/worker systems (retries, idempotency, backpressure), integrate third-party APIs, collaborate with Django engineers, and repair partial failures to ensure safe, auditable data migrations and integrations.

Develop and operate high-throughput, low-latency telemetry pipelines and cloud services for Azure AI/HPC infrastructure. Build observability, monitoring, analytics, and automation capabilities; own architecture through deployment and operations; and lead incident response, root-cause analysis, reliability improvements, and operational readiness. Partner across engineering and platform teams, influence technical roadmaps, mentor engineers, and apply distributed systems, AI infrastructure, and cloud operations practices at hyperscale.

Provide expert-level technical support for web and mobile products, debug high-performance RESTful services, triage incidents, coordinate cross-team incident response, collaborate with Client Success, Engineering, Product, and DevOps to resolve complex issues and improve product reliability.

Lead end-to-end delivery of full-stack product and platform initiatives. Design and implement scalable frontend and backend systems, own production reliability and incidents, introduce pragmatic engineering practices, mentor engineers, and drive architecture and tooling decisions to balance speed and long-term maintainability.

Collaborate with a distributed team to develop, maintain, and modernize the Landscape management software for Ubuntu, focusing on quality code and automated testing.

Design, develop, and maintain manufacturing and production test software for programming, calibrating, and verifying products. Integrate with embedded systems and test instruments, implement automated test sequences and traceability, investigate failures, and improve throughput, quality, and yield across factory programming stations and production fixtures.

Develop and maintain Java applications for DoD systems, focusing on backend services, REST APIs, and microservices, while ensuring security and performance.

Develop and maintain scalable investment portfolio management systems. Collaborate with cross-functional teams to ensure system correctness and client trust, focusing on complex domain logic.

Leads architecture, design, and development of high-performance Android applications for field mapping, data collection, navigation, sensor networks, and offline workflows. Collaborates with designers and developers, solves complex mobile performance and user-experience challenges, participates in code reviews, mentors teammates, and promotes Android development practices across the company. The role supports spatial-awareness applications and real-world mission-critical field operations.

The Senior SRE Engineer will design, build, and maintain resilient infrastructure systems, manage infrastructure-as-code, and write tooling in various languages.

Design, develop, test, and optimize high-performance iOS applications for field mapping, data collection, navigation, and sensor integration. Collaborate with developers and designers, translate user requirements into reliable real-world solutions, solve offline synchronization and caching challenges, participate in design and code reviews, and promote iOS best practices across Esri.

As a Full Stack Software Engineer at Reacher, you'll own product features end-to-end, design scalable systems, mentor engineers, and lead architectural decisions in an AI-driven environment, focusing on both backend and frontend development.

Reacher seeks a Full Stack Software Engineer to lead product features, design scalable backend systems, mentor engineers in AI-native workflows, and enhance user experiences across the tech stack.

Build, maintain, and operate cloud-based services and automation for satellite operations. Manage infrastructure, design/deploy critical systems, support microservices and CI/CD workflows, ensure reliability and SLAs, collaborate with cross-functional teams to minimize operational burden and automate satellite operations.

Responsible for designing and implementing authentication features in Go and TypeScript, enhancing Auth architecture, and collaborating with teams to improve user experience.