Remote backend developer jobs

Join the ReCon team at Virta Health to engineer the systems that convert clinical care into recognized revenue. You will own the end-to-end quote-to-cash path, ensuring that contracts, invoices, and claims are processed correctly for national health plans and employers. This role requires building robust Go services and self-service tools for finance operations. You will focus on data reconciliation across Salesforce, Zuora, and clinical datasets to prevent billing discrepancies before they reach customers.

• Senior Backend Engineer
• Go + React + TypeScript
• Fully remote (US)
• Billing & Revenue focus

Join the CF Benchmarks Index Team at Payward, the parent company of Kraken. You will implement new financial benchmarks and ensure the reliability of a platform that powers 99% of the regulated crypto derivatives market. This position requires close collaboration with product teams to deliver end-to-end features for high-throughput systems.

• Java backend focus
• Fintech experience required
• Real-time systems
• Crypto industry

Join the SDK team at Supabase to own the Python developer experience. You will build and maintain the library that connects Python applications to Supabase services, including Database, Auth, and Edge Functions. The work is public, involving open repositories, issue triage, and community collaboration. This role requires deep expertise in modern Python typing and asyncio. You will design APIs that feel natural in Python, manage dependency ranges, and ensure the SDK works seamlessly across various environments like serverless, notebooks, and AI agents.

• Fully remote (Global)
• Python + Asyncio
• Open Source focus
• ESOP included

Join Langfuse, now part of ClickHouse, to build the backend infrastructure that processes terabytes of AI tracing data daily. You will own the ingestion pipeline, optimize database queries for instant dashboard loading, and ensure the platform runs efficiently from single Docker setups to enterprise Helm deployments. This position offers direct access to ClickHouse database engineers and the opportunity to shape core abstractions for data-heavy features. You will work in a small, accountable team where your contributions to open-source software are immediately visible and impactful.

• Senior Backend Engineer
• Fully remote (US-East)
• ClickHouse & TypeScript
• High-scale data pipelines

Join the new Community Intelligence team at the company as a founding Staff Software Engineer. You will design systems that convert raw sensor data into structured records and automated workflows across multiple products. The team integrates next-generation physical-world sensing directly into the Community Operations suite.

• Staff level role
• Fully remote or Boston
• LiDAR + Computer Vision
• PostGIS + APIs

Join the User and Entity Behavior Analytics team at Cloudflare to engineer systems that interpret security signals. You will build production services that ingest data, evaluate user risk, and provide clear insights for security practitioners. The work focuses on expanding behavioral detections and improving investigation clarity. You will collaborate across engineering and product teams to deliver end-to-end functionality for Cloudflare One products.

• Fully remote position
• Go, Rust, or C++
• Kafka + Kubernetes
• Security analytics focus

You will design and operate reliable backend services and RESTful APIs that power Cloudflare for SaaS. The work involves evolving the control plane to handle tens of millions of domains while maintaining high availability and performance. The team values curiosity and iteration, using AI tools to accelerate development. You will collaborate with product managers and other engineers to modernize legacy workflows and improve system observability.

• Senior level role
• Fully remote
• Go + PostgreSQL
• Distributed systems

Join GDIT as a Senior SQL Developer to support the World Trade Center Health Program. You will design and optimize core backend systems and data workflows that power Third Party Administrator services, ensuring accurate eligibility processing and claims adjudication. This role involves leading SQL development and integration work across critical TPA systems. You will collaborate with architects, analysts, and engineers to enhance backend functionality while maintaining strict compliance with federal security and healthcare regulations.

• Senior SQL Developer
• Fully remote (US)
• Federal healthcare mission
• MBI (T2) clearance required

You will take full ownership of Sable feature delivery and operational improvements, driving design and implementation for a tier-1 system. The work ensures platform advancement without disrupting production traffic serving Amazon's most critical commerce flows. This position suits engineers energized by hard distributed-systems problems who pride themselves on operational reality. You will ensure software holds up under the demands of a massive, mission-critical platform.

• Fully remote role
• Senior level position
• Java, C++, C#, Perl
• Distributed systems focus

Join the Clerk's Office of the United States Bankruptcy Court for the Eastern District of Virginia as a Senior Programmer/Analyst. You will design, develop, and support multiple software products, including national-level systems, under the Director of Automation and Technology. The role requires strong analytical skills and the ability to resolve complex technical problems while ensuring compliance with judicial policies. You will maintain current technical skills through ongoing training and personal development.

• Senior level position
• US citizenship required
• Java, PHP, Python
• MySQL and SQL Server

Join Docker's globally distributed team to engineer the AI Gateway, which simplifies moving AI agents from prototype to production. You will build the infrastructure for model routing, security, and observability, enabling developers to create trustworthy autonomous workflows without managing complex underlying systems.

• Senior Backend Engineer
• Fully remote (global)
• Go and/or Rust
• AI/ML infrastructure

Join Docker's globally distributed team to build the AI Gateway, a control point for managing AI agents from prototype to production. You will define the architecture for model routing, security, and observability, ensuring the system scales reliably for millions of users.

• Staff level role
• Go or Rust
• Distributed systems
• Visa sponsorship possible

Join Kin’s engineering team to develop the backend systems that power their homeowners insurance products. You will work in a collaborative environment using Ruby on Rails, TypeScript, and PostgreSQL to deliver high-impact features. The position offers ownership of projects from design through deployment, requiring close collaboration with cross-functional teams. Candidates must be located in specific US states or Ontario, Canada, as visa sponsorship is not available.

• Fully remote (US/Canada)
• Ruby on Rails + TypeScript
• PostgreSQL environment
• No visa sponsorship

Join the team building Model Vault, Cohere’s platform for securely deploying and operating foundation AI models at enterprise scale. You will shape the architecture of core systems handling identity, billing, and confidential computing, ensuring reliability and performance for demanding workloads. This position focuses on solving complex backend challenges where off-the-shelf solutions fall short. You will drive major architectural initiatives and build control-plane services that support millions of users across various cloud and hardware platforms.

• Senior/Staff level
• Fully remote friendly
• Go, Python, Rust
• Distributed systems

Join a product-focused team developing a modern digital platform as part of Mobile Wave Solutions' professional services. You will build reliable backend systems, utilize cloud technologies, and collaborate with product and QA teams to deliver high-quality software solutions.

• C# .NET + PostgreSQL
• GCP Cloud Infrastructure
• Remote or Hybrid
• 2-4 years experience

Join vCluster Labs as a core architect of the vCluster Platform, defining the future of tenant isolation on Kubernetes. You will navigate complex Kubernetes internals to build high-performance tools used by leading engineering teams and AI cloud providers. The team operates with a remote-first culture, distributed globally while headquartered in San Francisco. You will take end-to-end ownership of features, from technical design to release, contributing to open-source projects that power over 100,000 GPUs worldwide.

• Staff level role
• Go + Kubernetes
• Open source focus
• Equity included

Join vCluster Labs as a core architect of the vCluster Platform, focusing on complex Kubernetes internals and tenant isolation. You will build tools used by leading engineering teams to manage AI infrastructure and GPU clusters. The company operates with a remote-first culture, supporting a distributed team while maintaining headquarters in San Francisco. You will have end-to-end ownership of features, from technical design to release.

• Senior Backend Engineer
• Go + Kubernetes
• Fully remote (global)
• Open source focus

Join ButterflyMX as a Principal Engineer who uses AI agents, particularly Claude Code, to drive software development. You will partner with Product and Design to translate business needs into secure, production-ready applications, managing the entire lifecycle with minimal oversight. The ideal candidate combines deep backend expertise with advanced AI orchestration skills, ensuring high-quality output while automating repetitive engineering tasks. You will work across our core stack and adjacent technologies to improve legacy systems and deliver new features efficiently.

• Fully remote (US)
• Principal / Staff level
• Claude Code expert
• TypeScript + Ruby

Join the Backend Engineering team to design, build, and maintain enterprise Java services and integration components. You will support transfer registration, shareholder records, and fixed income processing workflows while ensuring regulatory compliance and high-volume transaction integrity.

• Senior level role
• Fully remote (US)
• Java 17 + Spring Boot
• Oracle SQL + Hibernate

You will join the software engineering division to solve complex distributed systems problems and own services from design through production. Working with engineers, product managers, and operators, you will deliver secure and scalable cloud services that customers rely on daily. The role requires designing backend services and workflow orchestration capabilities for Oracle Cloud Infrastructure. You will contribute to architecture discussions, make pragmatic technical decisions, and build systems that are simple to operate and easy to evolve.

• Principal level role
• Fully remote
• Java or Python
• Distributed systems

Join the Backend Engineering team to design and maintain enterprise Java services for transfer agency and fixed income processing. You will build secure APIs, batch processing jobs, and database-backed functionality while collaborating with architects and security teams.

• Senior level role
• Fully remote (US)
• Java 17 + Spring Boot
• Financial services focus

Join the backend team at Obvio AI, where you will develop the infrastructure powering high-throughput data review and annotation pipelines. Your work will directly support machine learning models used to enforce traffic laws and reduce reckless driving. You will collaborate with product, ML, and operations teams to create resilient, secure, and observable systems. The role requires translating ambiguous requirements into clean APIs and backend abstractions while ensuring performance under real-world load.

• Backend engineering
• Distributed systems
• Series A startup
• 3-5 years exp

Join Sardine as a backend-focused engineer to build robust APIs and systems that help organizations stop fraud in real time. You will collaborate with stakeholders to deliver new features and refine internal tooling for a platform used by major global companies. This position requires residing in specific Indian cities while working remotely. The team values performance over hours, offering flexibility to balance work with personal life.

• Backend Engineer
• Remote (India)
• 7+ years experience
• Golang preferred

Join ElevenLabs to design and scale automated moderation systems, abuse detection capabilities, and guardrails for AI agents. You will own the architecture and reliability of internal safety services while partnering with ML engineers to deploy models into production. The team collaborates closely with Product, Legal, and Safety Policy groups to translate regulatory requirements into practical engineering solutions. This position focuses on building end-to-end backend services and tools that ensure platform safety without compromising user experience.

• Fully remote (Global)
• Python + Backend
• AI Safety focus
• Senior level

Join the AI Engineering team to design and ship reliable connectors, APIs, and integration infrastructure. You will enable TRM’s AI systems to access external data sources safely and at scale, supporting the mission to disrupt illicit financial activity. You will collaborate with product, data, and engineering teams to turn integration needs into production-grade systems. The work involves improving the speed, quality, and reliability of how the platform connects to third-party intelligence sources.

• Fully remote (LATAM)
• Backend & API focus
• AI-powered security
• Equity compensation

Join SplitMetrics as a Senior Backend Engineer to design and build backend services using Python and FastAPI. You will integrate with internal and external LLM services, build MCP servers for third-party AI agents, and develop ETL pipelines to ensure data quality across the platform.

• Senior Backend Engineer
• Python + FastAPI
• AI & LLM integration
• Global team

Join the US Loans team to shape a new product built on Lendable’s existing lending platform. You will work alongside experienced engineers to integrate new APIs, optimize platforms, and contribute to architectural decisions. The team values autonomy and uses data and AI to streamline financial processes.

• Mid-level PHP role
• Remote (UK/EU)
• PHP 8 + Symfony 7
• Fintech unicorn

Join Abacum, a business planning platform trusted by industry leaders, to shape the future of finance technology. As a Senior Back End Engineer in the Integrations team, you will lead the design of platforms that ingest and normalize business data from various ERP and accounting systems.

• Senior level role
• Python backend
• Integration focus
• Equity package

Join the Payments team at ElevenLabs to evolve how the company charges customers across self-serve and enterprise segments. You will build and maintain critical infrastructure for billing, usage metering, and payment processing that supports millions of users. The work requires high precision as it directly impacts revenue and customer experience. You will collaborate with Finance, Tax, and Product teams to ensure compliance and enable growth experiments while migrating legacy systems.

• Fully remote option
• Python expertise required
• Payments & Billing focus
• Global team culture

Join the Core Platform team at ElevenLabs to build the infrastructure underlying all company products. You will develop systems for user identity, workspace management, and resource permissions that handle requests from millions of users and enterprise clients. The work prioritizes correctness, security, and safe rollout speeds. You will collaborate with product teams to create generic services that enable rapid feature development while maintaining high reliability for business-critical operations.

• Fully remote (Global)
• Python + Backend focus
• Core Platform team
• High-scale systems

Join the C++ Functional Team at DuckDuckGo to develop core browser technologies focused on privacy and performance. You will implement features like tracker blocking and VPN integration while ensuring the browser remains fast and responsive. This position offers end-to-end ownership of projects, requiring you to translate vague problems into clear technical plans. You will collaborate asynchronously with product and design teams to deliver solutions that protect user privacy.

• Senior C++ Engineer
• Fully remote worldwide
• Modern C++ & Chromium
• €157k annual salary (EU)

Join the Platform team at Juniper Square to develop core services such as identity management, search, and API infrastructure. You will create tools and frameworks that enhance the developer experience across the software lifecycle while supporting rapid scaling.

• Technical Lead role
• Platform engineering
• Python + FastAPI
• AWS / Kubernetes

Join the team behind NordPass, a password manager securing credentials for over 7 million users and 10,000 companies. You will work on the Business Onboarding and Setup Team, contributing to safer and simpler login experiences. Your main focus will be developing new features and maintaining existing systems while ensuring high code quality and security. You will participate in technical design decisions and help refine engineering processes.

• Mid to Senior level
• PHP + Golang
• Security focused
• Health insurance

Join Kraken’s global engineering team to develop technology that redefines utilities and optimizes renewable energy generation. You will work on a large-scale operating system that empowers utilities to deliver better customer experiences and manage intelligent grids. This position involves solving complex problems in energy markets, financial products, or communication engines. You will collaborate with a multi-discipline team of around 1,400 engineers, utilizing agile methods and cutting-edge tools to drive industry transformation.

• Mid-level Backend Role
• Python & Django Stack
• Remote in Japan
• No Visa Sponsorship

As the technical anchor for the Database Platform, you will define standards for storing and querying millions of assets and attack paths. You will drive architectural decisions, ensure zero-downtime migrations, and mentor engineers while writing production code in Go or Python.

• Fully remote (US)
• Principal level IC
• PostgreSQL expert
• Go or Python

Join tem as a Staff Software Engineer to build and manage the Pricing API behind RED, their modern utility product. You will lead the extraction of pricing logic into a dedicated service, ensuring high performance, reliability, and explainability for real-time energy contracts. This role requires deep backend expertise and a focus on data correctness in a quant-heavy environment.

• Staff level role
• Python + FastAPI
• Energy tech sector
• Stock options

Join a small, senior engineering team building high-performance trading systems where nanoseconds matter. You will shape the technical direction of the Switchboard platform, working on pricing engines, connectivity gateways, and market-data systems. This role requires full lifecycle ownership, from design and coding to deployment and production support. You will also provide technical oversight, conduct peer reviews, and mentor junior engineers while ensuring system reliability and scalability.

• Senior C++ Engineer
• Fully remote (UK)
• C++20 + Go + Linux
• Low-latency trading

Join a small, senior engineering team building high-performance trading systems where nanoseconds matter. You will work on the Switchboard platform, handling over $75 billion in daily trading volumes across FX, Equities, and Cryptocurrency. The role requires full lifecycle ownership, from design and coding to deployment and production support. You will optimize for microsecond-level latency and ensure system reliability in a cloud-native environment.

• Fully remote (UK-based)
• C++20 + Go + Linux
• Low-latency trading systems
• No visa sponsorship

Join Airalo as a Backend Engineer to drive the evolution of a global platform used by millions. You will lead backend services, construct APIs, and contribute to a modular, service-oriented architecture that balances development speed with system stability.

• Fully remote (EU)
• PHP + Laravel/Symfony
• English required
• On-call duties

Join BIP as a Backend Engineer focused on creating scalable cloud solutions with .NET and Microsoft Azure. You will work on designing simple, efficient architectures that leverage AKS, Azure Functions, and Logic Apps. The team integrates artificial intelligence into the development lifecycle to assist with generating, refactoring, and testing code, aiming for high-quality, observable, and secure cloud-native applications.

• Fully remote (EU)
• .NET + Azure
• AI-driven dev flow
• Cloud-native APIs

Lognext is seeking a Senior Backend Java Developer to join a strategic project for a leading multinational in the security industry. You will work within a team of architects and developers, serving as a technical reference for junior members while driving the evolution of distributed systems. The role centers on designing and developing backend services that integrate various technologies, business processes, and data models. You will leverage Java and Spring Boot to build robust microservices, ensuring seamless communication across complex environments.

• Fully remote (EU)
• Senior level role
• Java + Spring Boot
• Azure + Kubernetes

Join the founding team at Maia Care, a healthtech startup backed by GCO Ventures. You will build a user-centric health product that prioritizes data security, working primarily on the backend while supporting frontend tasks as needed. Experience in healthtech and building MVPs from early stages is highly valued. This position is based in Barcelona with a hybrid arrangement allowing two days of remote work weekly.

• Hybrid (Barcelona)
• Healthtech startup
• Backend focus
• MVP experience valued

Join knowmad mood as a Senior Backend Developer to drive digital transformation projects. You will build scalable microservices using Java 21 and Spring Boot while integrating AI tools like Claude and GitHub Copilot into the development workflow.

• Fully remote (EU)
• Senior Java Role
• Java 21 + Spring Boot
• AI-assisted coding

You will define how NerdWallet delivers financial guidance inside AI assistants used by consumers. The work requires building accurate, compliant systems that operate within environments the company does not control. This hands-on leadership role combines architectural design with significant coding. You will set technical standards, mentor engineers, and partner with product leaders to turn ambiguous goals into reliable software solutions.

• Staff level role
• Fully remote (US)
• LLM & AI focus
• TypeScript stack

Join Virta Health as a Backend Engineer to develop systems that support eligibility, billing, and client-facing operations. You will automate workflows, ensure data integrity for members and partners, and create self-service tools for internal teams. The position requires an engineer who can leverage AI tools to enhance development and data processes. You will collaborate with data and AI teams to implement solutions for validation and anomaly detection while maintaining high engineering standards.

• Fully remote (US)
• Golang microservices
• 5-7 years experience
• AI-augmented workflow

You will develop features that locate AI agents across cloud platforms and endpoints, assessing their configuration and access risks. Your work integrates with Delinea’s existing discovery services to enable governance of machine identities within the broader security platform.

• Staff level role
• Cloud security focus
• Azure, AWS, GCP
• No US visa sponsorship

Join a small engineering team developing core banking systems and financial infrastructure for modern financial services. As a founding engineer for US operations, you will shape technical decisions and build reliable software for large-scale money movement.

• On-site in New York
• Founding Engineer
• Backend focus
• No visa sponsorship

Join a team of five engineers building the backend platform that supports Voodoo's hit mobile games like Mob Control and Block Jam. You will collaborate with game designers and client developers to deliver scalable features for millions of daily users. This position supports the company's transition to Hybrid and Mid-Core games by expanding common platform features and developing new capabilities for upcoming titles.

• Staff level role
• Fully remote (EU)
• Golang expertise
• High-scale systems

As the first GTM Engineer at Pogo, you will partner with Growth, Sales, Design, and Engineering teams to build AI-powered systems that compound revenue. You will work on the enterprise AI SaaS product as both a builder and an operator, shipping code that directly drives pipeline and conversion. You will audit the existing GTM stack, identify gaps, and build internal tools and agents to replace manual workflows. This role requires turning messy operational problems into clean, automated systems while publishing playbooks to propagate wins across the organization.

• First GTM Engineer
• AI + LLM focus
• 2-5 years exp
• Startup environment

Join the engineering team at RiseGuide, a fast-growing app that delivers expert-powered self-improvement content through microlearning. You will help scale the product from the ground up, influencing hundreds of thousands of users with minimal bureaucracy and a focus on rapid time-to-market.

• Golang + Kubernetes
• Fully remote / Hybrid
• Zero legacy code
• Architectural input