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Backend engineer at an early-stage, well-funded crypto trading company building high-performance risk, liquidation and trading infrastructure in Rust (Tokio), processing live market data and serving low-latency REST/WebSocket APIs. On-site in New York City or San Francisco; $185K–$300K plus equity; no visa sponsorship.
Backend engineer at an early-stage, well-backed fintech startup building global payments infrastructure spanning traditional banking and digital asset rails. The role designs, builds, and owns backend services, APIs, integrations, and cloud infrastructure for complex payment workflows, primarily using TypeScript and Node.js.
Senior Backend Software Engineer building and evolving scalable backend services, APIs, and PostgreSQL data infrastructure for a publicly traded healthtech company's personalized spine surgery platform. Core stack: Node.js, GraphQL, Java/Kotlin with Spring Boot, and cloud platforms like AWS, GCP, or Azure.
A start up is looking for a Backend Founding Engineer to join their team. Location: NYC; Must be able to work inNYC 4 days onsite per week Compensation: $180-230k + Equity Must have worked at early stage start-ups! US…
Senior backend engineer at Holokai, an early-stage startup building an enterprise AI governance/adoption platform (policy enforcement, agentic workflow orchestration, LLM gateway, SaaS console). Day to day: design and ship backend services in TypeScript and Go with PostgreSQL on AWS, hybrid from Metro DC (Tue/Thu in office).
Senior Backend Engineer for a venture-backed AI infrastructure company (hired via Harrison Clarke) that helps enterprises track, govern, and measure ROI on AI spend. Day to day: designing backend services and APIs, building integrations/SDKs, and working across data pipelines, cloud infrastructure, and distributed systems on-site in Bellevue, WA.
Backend engineer building and maintaining Java-based services, REST APIs, and PostgreSQL databases for OurPetPolicy's property-management compliance platform. Day to day: developing integrations, optimizing database performance, troubleshooting production issues, and collaborating with product and engineering teams in a downtown Boise office.
Design and build Node.js backend services, RESTful APIs, and PostgreSQL schemas powering fintech/SaaS products for U.S. healthcare providers, while troubleshooting production issues and shaping architecture. Based in New York with a hybrid schedule (4 days in-office); base salary $160k–$240k plus bonus and equity.
Senior (L3) Java backend developer on a long-term W2 contract in Tampa, FL (5 days onsite), building scalable, cloud-based data solutions supporting critical financial activities. Core stack is Java and Kafka, with AWS cloud work, DevOps tooling (Terraform, Jenkins, Kubernetes), and monitoring tools like Splunk and Prometheus.
Senior Java backend developer designing, building, testing, and supporting scalable enterprise applications in a high-volume financial services environment. Core stack is Java/Spring Boot, microservices, REST APIs, SQL/Oracle, and CI/CD with Jenkins, Git, and Maven; on-site F2F interviews in Phoenix, AZ.
Senior backend engineer at Bandana, a fast-growing job search platform for blue-collar workers. You'll lead backend architecture and engineering culture, build AI-driven application and search features, and maintain core infrastructure using TypeScript, Node.js, Next.js, Prisma, Postgres, Docker/Kubernetes, and GCP.
Senior backend engineer at Lawfully, an immigration data platform, to own the architecture and reliability of a distributed backend (~25 Go services, Kafka pipeline, EKS/AWS, PostgreSQL) — including strangling a legacy monolith, running the platform, and mentoring engineers.
BluJuniper, an AI and optimization company, is hiring a Senior Backend Engineer to design and operate distributed, real-time backend systems in Go — connecting AI/ML workloads, WebRTC/LiveKit audio-video, Kafka event streams, and secure cloud infrastructure. Hybrid role in Washington, DC paying $160k–$225k plus bonus and stock options.
Senior Backend Engineer at CHAMP (Cleveland, onsite 4 days/week) building cloud-based software for state motor vehicle agencies. Day to day: designing Java/Spring Boot microservices and REST APIs, event-driven messaging with RabbitMQ, AWS/Terraform infrastructure, database design, and mentoring engineers on a distributed team.
Contract (W2) role for a Java backend developer in Phoenix, AZ, building internet-scale services with Java 11, Spring Boot (reactive/WebFlux), NoSQL databases, Kafka messaging, and cloud tooling like Docker, Kubernetes, and Prometheus. The final interview round must be in person in Phoenix.
Builds and maintains PHP backend services on a serverless AWS Lambda architecture backed by MySQL, and helps support and extend the Python + PostgreSQL AI agent (Cora) of Bear Claw's AI-powered recruiting platform, turning LLM-driven features into production-grade services.
Programmers.io is hiring a Java Backend Developer in Charlotte, NC to lead a team building and architecting Spring Boot microservices for a banking client — delivering REST APIs, Kafka-based integrations, CI/CD with Docker/Kubernetes, and ensuring PCI-DSS compliance while mentoring junior engineers.
Senior .NET backend engineer designing and maintaining scalable C#/ASP.NET Core services, REST APIs, and relational databases (PostgreSQL/SQL Server) that power enterprise-grade applications for an IoT hardware startup, with event-driven messaging, observability, and production reliability work. On-site in Chandler, AZ.
Senior iOS developer serving as a technical expert on a large-scale native mobile project for clients, coordinating with product owners, SMEs and onshore/offshore developers to deliver functional, maintainable iOS code. Core stack: Swift, SwiftUI, Objective-C, Xcode, Core Data/Core Animation, RESTful APIs and MVVM/MVP architecture in an agile environment.
Founding iOS engineer at an early-stage NYC startup whose platform connects creators with brands: you'd build and scale the consumer iOS app in Swift, shape the mobile architecture, and own features end-to-end alongside the founders, product, design, and backend. On-site five days a week in Financial District, Manhattan.
