Top Remote Senior Backend Engineer Jobs in Boston, MA

Design, build, and optimize high-throughput, highly available backend services in Golang for 24/7 sports and prediction-market applications. Lead architecture decisions, implement features, diagnose and resolve high-concurrency bottlenecks, and provide high-tier operational support for real-time transactional systems.

Lead backend development to scale and harden API infrastructures, implement unit testing playbooks, optimize core algorithms, support migration from Supabase to a robust cloud provider, ensure system reliability and scalability, collaborate with frontend and DevOps, and integrate AI workflows and RPA where applicable.

The role involves designing and expanding backend systems, mentoring engineers, and executing technical strategies to modernize architecture and improve system performance.

Build and improve frontend experiences for login, signup, OAuth, account security, and multi-user/org support. Contribute to migrating main views to React Native, design high-performance React/TypeScript UIs, collaborate with backend engineers and product teams, and write well-tested, reliable code to maintain low-latency user surfaces at scale.

The Senior Backend Engineer will develop, test, and maintain scalable integrations, support cross-functional teams, and enhance developer experiences.

The Senior Backend Engineer will design and implement core services and AI infrastructure, create REST APIs, and develop ingestion pipelines while collaborating with cross-functional teams to enhance the AI platform for hardware product development.

The Senior Back-End Engineer at Forum One develops complex WordPress solutions, integrates APIs, and collaborates with teams to enhance digital platforms.

Build and scale secure, high-performance backend systems and APIs that connect onchain protocols and offchain infrastructure. Own integrations with custodians, KYC/identity, payments, and third-party blockchain tooling. Collaborate with smart contract and frontend teams, enforce backend standards, and support ops, investor services, and compliance with automation and observability tooling.

Design and build scalable backend systems, data pipelines, and cloud infrastructure. Own CI/CD, containerization, databases, and reliability; collaborate with tech leads to deliver secure, production-grade solutions for startups in a fully remote environment.

The Senior Backend Engineer will design and implement infrastructure for an AI system, solve complex data-related problems, and ensure system scalability and security.

As a Senior Backend Engineer, you'll develop and maintain the Dynamic Copay Engine's services, design pricing logic, and manage data integrations, focusing on backend systems for health insurance functionality.

As a Senior Back-End Engineer II, you will focus on platform engineering and DevOps, building CI/CD pipelines, managing cloud infrastructure, and supporting database operations.

As a Senior Backend Engineer at Edia, you will architect backend systems, supervise AI coding processes, and enhance AI-driven business automation.

Develop and maintain backend solutions, ensuring performance, security, and regulatory compliance, while collaborating in cross-functional teams.

The Senior Backend Engineer will code and architect complex components, lead projects, provide guidance, and create scalable backend systems.

Build and scale real-time backend systems for AI Agents, including orchestration, memory and context management, low-latency inference pipelines, eval frameworks, event-driven workflows, APIs (REST/gRPC), and production-grade observability, partnering with Applied AI and product teams to deploy multi-tenant, enterprise AI agent platforms.

The Senior Staff Software Engineer will architect Affirm's lakehouse analytics platform, lead data governance efforts, mentor engineers, and collaborate across teams to optimize data solutions using Snowflake and other big data tools.

As a Senior Backend Engineer, you'll design scalable backend systems, collaborate with teams, integrate services, and enforce best practices within a fast-paced environment focused on DeFi and blockchain technology.

Responsible for designing and maintaining scalable backend systems, leading architectural decisions, implementing security measures, collaborating with teams, and mentoring others.

The Senior Backend Engineer will build and maintain backend services for an observability platform, ensuring high performance and reliability. Responsibilities include managing APIs, engaging with the community, and tackling technical challenges related to data processing.

Design, build, and own backend systems for blockchain and staking infrastructure. Implement APIs, Ethereum data pipelines, indexers, validator integrations, and operational tooling. Lead architecture, testing, deployment, observability, mentor engineers, and drive engineering standards and AI-assisted workflows.

Seeking a Senior Backend Engineer for a payment modernization project, focusing on API integrations, payment routing logic, and payment orchestration systems under the CTO's guidance.

The Senior Backend Engineer at Weave will design, build, and maintain scalable backend services and APIs, influencing architecture and outcomes while collaborating across teams to enhance healthcare technology.

Lead design, build, and maintain provider integration infrastructure connecting to insurance carrier and partner APIs. Own end-to-end connector development, testing, validation against live traffic, and ongoing mapping/business rules. Define technical direction, scope projects, mentor engineers, perform code reviews, and drive operational excellence while collaborating cross-functionally to align engineering work with product goals.

Build, scale, and maintain cloud-native backend services and APIs using C#/.NET on Azure. Lead architecture, performance optimization, CI/CD, code reviews, mentor engineers, and collaborate with product, design, and frontend teams to deliver reliable, high-performance features.