Top Remote Software Engineer Jobs in Portland, ME

Lead product and technical discovery for a new initiative, build prototypes and end-to-end MVPs, define metrics and decision processes, rightsize architecture for iteration and integrations, and engage customers for feedback while coordinating external PM/design/business stakeholders.

Design, build, and maintain data platform tools, ensuring data quality and integrity. Collaborate with data science teams and enforce best software practices.

Mudflap seeks software engineers to build and scale their payments platform using Ruby on Rails, collaborating cross-functionally and owning features end-to-end.

The Senior iOS Engineer will drive key engineering decisions, enhance the iOS app, and engage in product strategy discussions. Responsibilities include shipping production code and maintaining app architecture.

The Software Engineer will build features across the stack, design AI/LLM-driven workflows, translate requirements, and collaborate closely with the founding team and customers.

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

The Software Engineer will develop the Socket web application, design interfaces, write APIs, and contribute to team growth and culture. Responsibilities include building systems and collaborating with design and engineering teams to ensure a delightful user experience.

As a Software Engineer at Espresso, you will design and implement core blockchain infrastructure in Rust, focusing on transaction processing and consensus.

Lead design and implementation of iOS applications, mentor engineers, coordinate with vendors and operations, ensure delivery within scope/time/budget, and apply modern iOS practices (testing, CI/CD, analytics, async concurrency) to maintain high-quality production apps.

Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.

Design, implement, debug, and ship features for Azure Storage front end at cloud scale. Drive design, dependency identification, automation, reliability, observability, and on-call incident response while collaborating with stakeholders and mentoring engineers.

Design and implement PostgreSQL internals, indexing, query engine extensions, and storage-layer features to support large-scale document workloads on Azure. Profile distributed systems, tune performance, collaborate with open-source communities, conduct design/code reviews, and drive cross-team alignment for mission-critical database features.

Design and implement PostgreSQL internals and indexing strategies for large-scale document workloads. Extend query engine with BSON-aware operators and custom scan nodes, optimize index pruning, profile distributed system performance, collaborate with open-source communities, and lead design/code reviews.

Own operations and reliability for hyperscale Azure GPU clusters and interconnect fabrics. Lead production incident triage, mitigation, recovery, root-cause analysis, and cross-stack debugging across hardware, GPUs, PCIe, firmware, drivers, and software. Develop automation, telemetry, diagnostics, playbooks, and escalation frameworks to improve observability, operational readiness, and mean time to mitigation for large-scale AI and HPC workloads.

Hands-on Principal engineer who designs, builds, and operates production-grade Azure solutions with strategic customers; develops an observability-focused Azure service, supports live production via on-call and incident response, creates reusable tooling and reference implementations, and drives platform improvements while mentoring field engineering teams.

Design, implement, and operate highly scalable Azure cloud services and full‑stack features for Compute Manager. Own design, coding, debugging, reliability, and on‑call operations as a DRI. Collaborate across teams to improve availability, performance, observability, and run distributed systems at hyperscale.

Design and deliver large-scale, resilient AI and Kubernetes infrastructure for hybrid environments. Implement, optimize, and maintain cloud-native, container orchestration solutions; integrate AI capabilities; participate in on-call rotations; mentor engineers and drive reliability, observability, and performance at scale.

Lead end-to-end design, development, and delivery of full‑stack features; drive architecture and code reviews; coordinate engineering work, write design docs and tests, and participate in Agile ceremonies. Must have blockchain/crypto experience.

Design and implement scalable first-mile networking solutions for Microsoft 365 Substrate and COSMIC. Drive design, dependency identification, coding, optimization, debugging, and on-call monitoring. Analyze production telemetry to improve reliability, performance, and observability. Act as a DRI, lead design and release plans, and collaborate with stakeholders to meet product requirements at global scale.

Design, build, and own operator services that provision, repair, and manage bare-metal GPU servers. Implement secure, extensible code across firmware, imaging, DPU initialization, and network configuration. Operate and monitor GPU fleets at scale, serve on-call rotations to resolve incidents, and apply AI tools across the SDLC while driving automation, telemetry, and reliability improvements.

Leads the design, implementation, optimization, and support of highly scalable Azure Storage services. Responsibilities include end-to-end performance testing, benchmarking, automation, profiling, bottleneck and root-cause analysis across compute, storage, and networking layers, KPI definition, scaling recommendations, and operational incident response. The role collaborates across teams, drives project and release plans, supports reliable and secure services, and mentors engineers while participating in on-call responsibilities.

Lead design and delivery of enhancements to a next-generation AI agent platform. Own large features and infrastructure, mentor engineers, set technical standards, drive cross-team initiatives, improve reliability and SLOs, and influence product and process decisions to scale systems supporting millions of interactions.

The Principal Software Engineer will provide architectural guidance, mentor developers, manage risks, and ensure high-quality software production across various teams and product areas.

As a Senior Software Engineer, you will build and operate Upbound Spaces, resolve issues in SaaS environments, develop features, support project lifecycles, manage Kubernetes services, and enhance operational tools.