Developer backend jobs in United States

Eccalon is seeking a skilled Backend Developer to join our innovative IT team.As a Backend Developer you will be responsible for designing developing and maintaining backend services and APIs to support our web and mobile applications. · ...

I'm looking for a backend developer with strong experience in building scalable APIs, integrating third-party services and maintaining high-performance backend systems. · ...

We're hiring a production-ready Backend Developer to work on a live SaaS platform. · Build and maintain REST APIs using FastAPI or Django · Manage PostgreSQL schemas and migrations on live data · Implement auth systems (JWT, OAuth2, sessions) · ...

Eccalon is seeking a skilled Backend Developer to join our innovative IT team. As a Backend Developer you will be responsible for designing developing and maintaining backend services and APIs to support our web and mobile applications. · You will work closely with front-end deve ...

Help organize and maintain payment processing system. · ...

Backend developer to join our innovative it team designing developing and maintaining backend services and apis to support web and mobile applications key responsibilities include designing and developing scalable backend services APIs building reusable code libraries for future ...

The Backend Developer builds, scales, and maintains backend systems that power Altium's cloud-based platforms and developer-facing products. · Design reliable services, APIs, and data pipelines that support high-performance, secure, and globally distributed applications. · Contri ...

We're looking for a highly skilled Backend Developer to join our engineering team and help build scalable, secure, high-performance backend systems. · Solving complex problems. · Working with modern cloud ecosystems. · Delivering clean maintainable code. ...

Are you ready to own the backend systems behind a fast-growing iGaming platform? · Smart State Inc. is expanding We're looking for a Backend Developer with deep and experience to join our New Jersey-based Product & R&D team. If you're passionate about building scalable, high‑pe ...

The Backend Developer – Marketing Analytics plays a key role in supporting client teams by ensuring the reliability, performance, and scalability of data-driven marketing platforms. · This role provides daily support and expertise around system logic, workflows, data structures, ...

We are seeking an experienced backend developer to build the API, middleware, and database layer for a Student Assistance Program (SAP) Data Dashboard.The goal of this project is to enroll students directly into the VPM system through a secure mini-intake form and backend data in ...

We are seeking an experienced backend developer to enhance our web application. · The ideal candidate will have a strong understanding of server-side technologies and be able to implement efficient and scalable solutions. · ...

Backend Developer · Location: (Springfield, VA | possibly Hybrid) · Clearance Required: TS/SCI, eligible to obtain a TS/SCI CI Poly · Salary Range:  $155,000 to $170,000 (Based on Experience) · Position Overview · Our client is seeking an experienced Backend Developer to support ...

We are looking for a full-time Backend Developer with 4–5 years of hands-on experience to join our team.Manage and maintain backend infrastructure on EC2 Develop and maintain automation scripts Integrate third-party APIs efficiently Design and manage database structures (Firebase ...

We are looking for a Backend Developer for long-term cooperation. · Design and implement complex server-side logic using Javascript and a relevant backend framework (e.g., ExpressJS). · Architect and manage scalable database solutions (relational and/or non-relational). · ...

We are seeking a skilled Backend Developer experienced with Twilio's communication APIs.The ideal candidate will be responsible for integrating and optimizing backend services. · ...

About the ClientOur client is an international growing fintech company developing payment infrastructure and financial platforms They work with payment gateways digital wallets and external PSP integrations focusing on reliability scalability and clean system design The team oper ...

You will develop and maintain scalable backend services using .NET technologies ensuring they are secure high-performing and reliable. · ...

We are looking for a motivated Backend Engineer with years of hands‑on experience in development. · ...

We are hiring a full-time Backend Python Developer for a contract-to-hire role. · Build and maintain backend APIs using Python + FastAPIDesign scalable backend systems for a SaaS platformWork with frontend teammates to shape features & data modelsWrite clean, testable code and pa ...