Role on the Backend Engineering team to design, build, and maintain scalable analytics and backend services for an ML/LLM observability platform. Responsibilities include developing APIs, working with OLAP and distributed systems, integrating collection and monitoring tools, and contributing to open-source components. Requires 5+ years of backend experience and strong proficiency in languages such as Go, Python, Java, or TypeScript.

Ramp is hiring a Senior Software Engineer for the Dev API team to design, implement, and operate multi-surface APIs and developer-facing platforms. The role requires 5+ years of backend engineering experience, hands-on use of AI coding agents, and experience with Python, Temporal, and Postgres. Responsibilities include end-to-end ownership of architecture, implementation, rollout, monitoring, and improving developer experience.

Lead development of LLM observability features at Datadog, designing and scaling systems for tracing, model evaluation, drift detection, and debugging inference pipelines. Role expects strong experience with distributed systems and scalable backend architectures, hands-on experience building LLM/GenAI applications, and familiarity with observability tools.

Datadog is hiring a Senior Software Engineer to solve scaling bottlenecks, deploy features with progressive rollout via feature flags, investigate and fix production issues, and design systems for higher traffic. Requires 6+ years experience, strong programming skills (Go, C, Python), system design for high scale, and experience or interest in applying AI coding tools and building AI backend systems. Familiarity with Redis, Cassandra, Kafka, observability (metrics, logs, tracing), and data pipelines is a plus.

Work includes solving scaling bottlenecks, deploying features with progressive rollouts/feature flags, investigating and fixing production issues, designing high-scale architectures and AI-aware backend systems. Role is based in Datadog's hybrid offices in Bordeaux and Paris.

Twilio is hiring a remote US-based Software Engineer (L2) to join the Stytch team and build backend product capabilities for an identity platform. Responsibilities include shipping API surfaces and authentication flows, partnering with product and engineering leadership, improving production quality and observability, mentoring engineers, and participating in on-call rotations. Required: 3+ years building and operating high-scale cloud production systems, experience with production-grade code bases, RESTful API design, and a bachelor's in CS or equivalent.

Lead architecture and implementation of monetization systems and payment experiences, build billing abstractions/APIs, iterate on pricing and growth tactics (coupons, referrals), and create monitoring/feedback for reliability and performance. Requires 6+ years engineering experience with strong backend skills and experience in subscription/usage-based billing, payments, taxation or tokenization. Role is full-time based in Foster City, CA with in-office requirement Monday, Wednesday, Friday.

Fully remote Senior Backend Engineer II role focused on ownership of major backend subsystems, designing scalable APIs and architectures, improving reliability, and leading cross-team technical initiatives. Preferred experience with Ruby on Rails, PostgreSQL, background jobs (Sidekiq), Redis, AWS, CI/CD, and familiarity with vector databases and AI/ML services. 9+ years of relevant backend experience required.

Lead architecture and implementation of Agentic AI systems and a reusable primitives and orchestration platform to automate high-volume customer support and compliance processes. Drive technical strategy for moving LLM-based applications to production (grounding, hallucination reduction, reliability), partner with product/compliance/operations, and mentor senior engineers. Remote-first role based in the USA; quarterly in-person working sessions expected. Salary range (base): $253,895 — $298,700 USD per year.

Xapo Bank is hiring a full-time, 100% remote Software Engineer to design, build, and deploy secure, fault-tolerant backend services. The role involves ownership from design to production operations and works across business domains (Wealth Management, Financial Crime Prevention, Customer Acquisition/Retention, Member Money Movement). Core technologies include Python (Django, Flask), Node.js, AWS, Docker, MySQL, MongoDB, Redis, and PostgreSQL; familiarity with microservices, CI/CD, automated testing, event-driven architecture and domain-driven design is expected.

Join a veterinary software company as a Senior Full-Stack Engineer to design and build SaaS products used by animal hospitals. Responsibilities include taking ownership from scoping to release, designing scalable solutions, building with Elixir and React, working with GraphQL and relational databases, mentoring junior engineers, and collaborating with product, engineering, and QA. Candidate must be located in Latam (title specifies Brazil), have 5+ years building modern SaaS applications, deep knowledge of Elixir/Erlang or another functional language, and fluent English.

Remote Senior Full-stack role focused on building and maintaining veterinary SaaS using Elixir (or Erlang/other functional language) for back end and React for front end. Responsibilities include end-to-end ownership from scoping to release, designing scalable solutions, working with GraphQL and relational databases, mentoring junior engineers, collaborating with product/QA, and troubleshooting complex customer issues. Located in Latin America; requires fluent English and 5+ years building modern SaaS applications.

Tide is hiring an experienced Engineering Manager (10+ years) to own the technical direction and execution of the onboarding/member accession platform across markets including the UK, India, Germany and France. The role requires strong backend engineering experience (Java, Spring Boot), cloud-native and microservices expertise, team leadership and partnership with Product, Compliance and other stakeholders to deliver scalable, secure, localized onboarding solutions.

Lead engineering delivery for Tide's Member Accession Marketing onboarding platform across UK, India, Germany and France. Requires ~10+ years server-side experience (strong Java and backend skills), hands-on technical leadership of microservices, cloud-native systems (AWS), relational databases, event-driven architectures, CI/CD and team management.

Lead engineering delivery and technical direction for the onboarding platform (member sign-ups, verification, initial account setup). Manage and develop a team of engineers, partner with Product and business stakeholders, and build cloud-native, compliant, extensible systems using a stack centered on Java/Spring Boot, microservices, AWS, PostgreSQL, Kafka and modern CI/CD/observability tooling. Requires 10+ years of experience and hands-on technical leadership.

Remote position for an experienced WordPress/PHP developer to serve as lead developer. Responsibilities include coding custom themes, templates and plugins; building reusable PHP modules; integrating APIs and third-party apps (including Eloqua and ad tech); ensuring performance and responsiveness; front-end work for sites, landing pages and emails; and advising on SEO, accessibility and analytics. Requires 3+ years web development experience and a Bachelor's degree in Computer Science or related field.

Work on core infrastructure and related platform teams at Stripe to design, build, test, and ship backend systems. Responsibilities include building internal and external customer-facing infrastructure, debugging production issues across the stack, and collaborating on roadmaps. Minimum requirement: 2+ years professional software development experience and hands-on experience with large-scale distributed systems.

Build, scope, and maintain APIs and large-scale backend services for payments, balance management, and funds accessibility; debug production issues; collaborate across engineering and product teams; mentor engineers. Minimum 2 years industry software engineering experience.

SeatGeek is hiring a Senior Software Engineer to build and operate containerized, service-oriented systems (backend and frontend) for a high-traffic ticketing marketplace. The role involves shipping code frequently, solving performance and scaling challenges, and working across teams. Tech mentioned: Python (FastAPI), Go, C#, React+TypeScript, Swift, Kotlin, AWS, Kubernetes, Kafka, Flink, Airflow, Temporal, Postgres/Aurora, ElastiCache, OpenSearch, DynamoDB. Salary range: $144,000–$209,000 USD/year.

Mid-level generalist backend role on Reddit Ads. Responsibilities include designing and implementing advertiser-facing microservices and APIs, building distributed and real-time data systems, improving operational stability, and collaborating with product, platform, and data teams. Requires 3+ years of software development experience in languages such as Java, Scala, Go, C++, or Python.