Backend Developer jobs in Londonderry, NH

W2 Position - Node.js AI Backend Engineer - CA

Remote

•

2d ago

W2 Position - USC Position: Node.js AI Backend Engineer Location: Bay Area, CA Onsite Duration: Long-Term Job Overview: Seeking a Backend Node.js Engineer with hands-on production experience implementing AI/LLM solutions. The ideal candidate will have strong backend development skills and experience building scalable AI-enabled applications and services. Key Responsibilities & Skills: Develop backend services using Node.js, TypeScript, REST APIs, and Microservices Build backend orc

Easy Apply

Contract

Depends on Experience

Back End Engineer

Remote or Bryan, Texas

•

Today

Description We are looking for a Back End Engineer to join a long-term contract opportunity in Texas. In this role, you will create reliable backend systems and data processing solutions that support analytics and engineering initiatives while helping shape scalable platform architecture. You will work closely with technical and cross-functional partners to turn complex requirements into maintainable services, with a strong focus on cloud deployment, performance, and code quality. Responsibilit

Easy Apply

Contract

USD 55.41 - 64.16 per hour

Senior MERN Stack Engineer – Backend Heavy + AWS

Remote

•

3d ago

Senior MERN Stack Engineer Backend Heavy + AWSLocation: Remote EST Candidates Only Duration: Long-Term Contract Time Zone Requirement: Must be located in and able to work EST hoursRate : $70/hr on CTCRequired Skills 8+ years of overall software development experience. Strong hands-on experience with Node.js and Express.js. Strong backend development experience using JavaScript and TypeScript. Strong experience designing and developing RESTful APIs and backend services. Experience building micr

Easy Apply

Full-time, Third Party

65 - 70

Remote Backend Engineer

Remote

•

Today

Remote Backend Engineer Our client, a growing enterprise technology organization, is seeking a Backend Engineer to build and operate core APIs, services, orchestration layers, integrations, and business capabilities. This role combines strong software engineering discipline with modern AI-assisted development practices to deliver secure, scalable, resilient services from design through production operation. Key Responsibilities: Design, build, test, deploy, and operate cloud-native backend ser

Full-time

USD 60.00 - 76.00 per hour

Senior Backend Engineer // Fully Remote // TypeScript Node.JS

Remote

•

Today

A fast-growing B2B infrastructure platform is expanding its engineering team and looking for a Senior Backend Engineer to join one of its most critical and high-velocity teams. This is a full-time, 100% remote opportunity built around a TypeScript, Node.js, and Nest.js stack, with microservice architecture at the core. The platform powers real-time services for a rapidly growing merchant base and operates at meaningful scale. EST hours are required. This team owns more services than any other i

Easy Apply

Full-time

$170000 - $200000

Java Backend Engineer

Remote

•

Yesterday

Role Summary As a Software Engineer - Java Backend (Tech Lead), you will serve as a hands-on technical leader responsible for end-to-end service architecture, delivery outcomes, and ensuring the reliability of backend systems. You will define and communicate technical direction, influence cross-functional teams, and drive modernization initiatives. This role requires expertise in cloud-native development, event-driven architectures, and leadership in engineering excellence within a remote envir

Easy Apply

Third Party, Contract

Depends on Experience

Principal Backend Engineer - Music Discovery Platform - Roon

Remote or New York, New York

•

Today

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role At Harman International, we are revolutionizing music metadata management and discovery. We're seeking a Princi

Full-time

USD 125,250.00 - 183,700.00 per year

Applied AI Engineer, Artificial Intelligence (AI) Required, Work From Home - G

Remote

•

Yesterday

Applied AI Engineer, Artificial Intelligence (AI) Required, Work From Home We are looking for an Applied AI Engineer to design, build, and optimize AI-powered features that sit directly inside our product workflows. The Applied AI Engineer role focuses on turning model capabilities into real product behavior, where AI interacts with users, supports decision-making, and powers automation across insurance journeys. This is a fully remote role where you will be part of a global engineering team w

Easy Apply

Full-time

$140,000 - $200,000

DevOps Backend Engineer

Hybrid in Lexington, Massachusetts

•

Today

Job Number: R0249863 DevOps Backend Engineer The Opportunity: Today's dynamic technology landscape demands constant and rapid innovation. To facilitate this transformation, we must ensure continuous integration and application develop ment. That's why we need an experience d DevOps engineer like you who's eager to design, test, and program critical applications for our clients who need them most. As a Sof tware Factory DevOps Engineer on our team, you'll pipeline our sof tware develop ment fro

Full-time

USD 77,600.00 - 176,000.00 per year

Software Engineer, Back-End - Mail (US)

Remote

•

Today

Superhuman offers a remote-flexible working model for this particular role on the Mail team. This gives team members plenty of focus time and the flexibility to do their best work from wherever they're based, while staying closely connected to a collaborative, tight-knit team culture. For those based in San Francisco, New York City, or Seattle, a hybrid setup is also available. About Superhuman Superhuman is the AI productivity platform on a mission to unlock the superhuman potential in everyo

Full-time

USD 186,000.00 - 300,000.00 per year

Senior Backend Engineer

Remote or Boston, Massachusetts

•

Today

About Re:Build At Re:Build, our mission is to ensure the next generation of important products are made, at scale, in America. We are laying the foundation for a better future for our customers, employees, and communities by revitalizing America's manufacturing base and creating meaningful jobs across the country, including in historically deindustrialized regions. We operate an advanced, end-to-end manufacturing platform that partners with industrial companies and innovators to take products f

Full-time

USD 165,000.00 - 200,000.00 per year

Senior Backend Engineer - Prompt Security (Node.js / TypeScript)

Remote

•

Today

Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find

Full-time

USD 132,000.00 - 182,000.00 per year

Staff Backend Engineer - AI Platforms (Health100)

Remote or Massachusetts

•

Today

We're building a world of health around every individual - shaping a more connected, convenient and compassionate health experience. At CVS Health , you'll be surrounded by passionate colleagues who care deeply, innovate with purpose, hold ourselves accountable and prioritize safety and quality in everything we do. Join us and be part of something bigger - helping to simplify health care one person, one family and one community at a time. Position Summary Health100 is America's trusted front d

Full-time

USD 106,605.00 - 260,590.00 per year

Backend Engineer

Remote or Austin, Texas

•

Today

Backend Engineer: On behalf of our technology client, Procom is searching for a Backend Engineer for a permanent role. This position is a remote position based in Austin, Texas. Job Description: As a Backend Engineer, AI, you will be responsible for owning the inference and orchestration layer that powers every AI interaction in the product. You will build and operate production systems that turn model capability into fast, stable, observable APIs used across mobile and desktop clients. Resp

Full-time

Sr/Staff Software Engineer, Backend | Web Products

Remote

•

Today

Machinify is a leading healthcare intelligence company with expertise across the payment continuum, delivering unmatched value, transparency, and efficiency to health plan clients across the country. Deployed by over 85 health plans, including many of the top 20, and representing more than 270 million lives, Machinify brings together a fully configurable and content-rich, AI-powered platform along with best-in-class expertise. We're constantly reimagining what's possible in our industry, creatin

Full-time

USD 200,000.00 - 250,000.00 per year

Senior Software Engineer, Backend | Audit Product Team

Remote

•

Today

Full-time

USD 200,000.00 - 230,000.00 per year

Sr Software Engineer, PLM Platform

Remote

•

Today

Overview Job Title: Sr Software Engineer - PLM Platform (Product Lifecycle Management) Location: Remote - US or Canada Job Type: Independent Contract (Contractor / Non-Employee) Start Date: ASAP Pay Rate: $68-72/hr 1099 / C2C Responsibilities Role overview This is a hands-on senior individual-contributor role supporting the technical layer around a Product Lifecycle Management (PLM) platform. The engineer will build and operate backend services, integrations, automation, and custom extensi

Full-time

USD 68.00 - 72.00 per hour

Senior Technical Product Manager - AI Agents, Evals & Reliability, Artificial Intelligence (AI) Required, Work From Home - G

Remote

•

Yesterday

Senior Technical Product Manager - AI Agents, Evals & Reliability, Artificial Intelligence (AI) Required, Work From Home We are looking for a Senior Technical Product Manager. This is a deeply technical, hands-on role. The Senior Technical Product Manager will work directly with engineers on systems design, evaluation, and trade-offs-defining requirements, but shaping how the system works for global users. The Senior Technical Product Manager will work at the intersection of user needs, model c

Easy Apply

Full-time

$165,000 - $200,000

Software Engineer III: Backend C#

Remote

•

Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

AI Software Engineer

Remote or Illinois

•

Today

At Allstate, great things happen when our people work together to protect families and their belongings from life's uncertainties. And for more than 90 years, our innovative drive has kept us a step ahead of our customers' evolving needs. From advocating for seat belts, air bags and graduated driving laws, to being an industry leader in pricing sophistication, telematics, and, more recently, device and identity protection. Job Description Job Description Summary We are seeking a passionate and s

Full-time

USD 110,000.00 - 150,000.00 per year

Backend Developer jobs in Londonderry, NH, USA