Backend Developer jobs in Merrimack, NH

Remote or Maumee, Ohio

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Today

Job Summary: The Senior Back-End Software Developer will be responsible for designing and developing scalable, secure, and high-performance back-end web-based applications and services, including maintenance, testing, and debugging. In addition to development, this individual will collaborate with a team of developers and occasionally assist junior developers in all facets of software development. Job Goals: Contribute to all stages of the software development lifecycle, from feasibility, soluti

Full-time

Compensation information provided in the description

Backend Software Developer (Telework) (BT-2)

Remote or Annapolis, Maryland

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Today

Legato, LLC recruiters () would love to speak with you regarding the following position: Backend Software Developer (Telework) in Annapolis Junction, MD. Security Clearance Required: TS/SCI w/ Polygraph Salary Range: $190,000-$225,000, depending on experience. *This position has up to 16 hours of telework weekly* What You Will Do: The Backend Software Developer will design, develop, test, and maintain mission-critical software applications. Working as part of an Agile development team, the suc

Full-time

USD 190,000.00 per year

Backend .Net Developer

Remote

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30+d ago

5+ years of .NET development experience with a proven background in C# and ASP.NET Core.Experience developing web-based business applications.Experience integrating applications with SQL Server and Azure SQL.Strong understanding of API development and database interaction.Experience implementing authentication and authorization controls.Remote based opportunity for EST candidates only

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Contract

55 - 62

Senior Application Developer - Backend Focus (Remote)

Remote

•

Today

Job Description Oracle Health is transforming the future of healthcare by building secure, scalable, AI-enabled healthcare platforms that improve patient outcomes, reduce administrative burden, and enable healthcare organizations to operate more efficiently. As part of Oracle's broader cloud and AI strategy, Oracle Health combines industry-leading healthcare applications, electronic health records (EHR), healthcare data platforms, and Oracle Cloud Infrastructure (OCI) to create the next generat

Full-time

USD 89,200.00 - 209,500.00 per year

Principal Application Developer, Backend Focus (Remote)

Remote

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Today

Full-time

USD 114,600.00 - 234,600.00 per year

Java Backend Developer

Remote

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Today

Position: Java Backend Developer Location: Remote Employment Type: 12+ Months Job descriptions: 7+ years of hands on experience in Java backend development Strong proficiency in Spring boot, Spring MVC Solid experience with MongoDB Strong experience in AWS cloud services Experience integrating LLM / GenAI APIs into applications Familiarity with Docker and Kubernetes Strong analytical and problem solving skills

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Contract

Depends on Experience

Hiring - BOT Development Engineers for Audiocare - Remote (United States)

Remote

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19d ago

Hi Greetings from BizTech Fusion! We are seeking for seeking a BOT Development Engineers for Audiocare, kindly go through the job description below and let me know your thoughts. Job Title: BOT Development Engineers for Audiocare Location: Remote (United States) Duration: 12+ Months Contract Note: Clearance- pass background check, drug screening, and Public Trust clearance. Job Description AWS Platform Expertise AWS Solutions Architect level knowledge (Associate minimum; Professional preferre

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Contract

$65 - $70

AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home - M

Remote

•

Today

AI Backend Engineer, Artificial Intelligence (AI) Required, Work From Home We are looking for talented AI Backend Engineers to build systems that power AI-driven decisioning, automation, and orchestration across our platform. This role sits at the core of our AI stack, between models, backend systems, and real users, where latency, correctness, reliability, and cost directly impact production experience. This is a fully remote position where you will be part of a global engineering team workin

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Full-time

$140,000 - $200,000

Backend Engineer (Swift)

Remote

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Today

Backend Engineer (Swift) W2 Contract Pay Rate: $60 - $70 per hour Location: Cupertino, CA - Remote Role Job Summary: We are looking for a highly experienced Swift backend engineer to help build and evolve modern server-side Swift infrastructure and ecosystem tooling. This is a deeply technical engineering role focused on backend systems, concurrency, observability, database drivers, and platform-level development. Duties and Responsibilities: Build and maintain high-performance server-side

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Contract

$60 - $70 per hour

Senior Backend Integration Engineer

Remote

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7d ago

Role: Senior Backend Integration Engineer Location: Remote Contract: Long-term Experience: 10+ Years Role Summary Seeking a Senior Backend Integration Engineer with direct Zip Intake-to-Contract (I2C) implementation/integration experience to build and support integrations between Zip and enterprise procurement/ERP platforms. Key Responsibilities Design and develop Zip I2C integrations. Integrate with Coupa, SAP Ariba, SAP S/4HANA, Oracle, and NetSuite. Build API, event-driven, and middleware

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Third Party, Contract

$55 - $60

*Sr. Backend Engineer (Python, Azure)* (Min 12+ years of experience)

Remote or Hybrid in Falls Church, Virginia

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5d ago

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details Role:

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Third Party, Contract

Depends on Experience

Jr. C#.Net Full Stack Developer - Hybrid NYC

Remote or New York, New York

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Today

job summary: The Full Stack Engineer is responsible for both front end and backend development tasks, including database tasks. This individual will be well versed with programming languages that are required for client (user) side development, as well as integration approaches and technologies to bridge contemporary front-end implementations with legacy backend systems. Core Responsibilities: Design and develop responsive, scalable front-end applications using Angular, following component-ba

Contract

USD55 - USD57

Backend Commerce Engineer

Remote or Maryland

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Today

Job Title: Senior Backend Commerce Engineer Location: USA Remote Job Title Senior Backend Commerce Engineer (SFCC, Spring Boot, Google Cloud Platform) Job Summary We are looking for a Senior Backend Commerce Engineer to design, build, and support scalable commerce and customer-notification solutions across Salesforce Commerce Cloud, Spring Boot services, and Google Cloud Platform. This role owns delivery across notification events, product/catalog and order feed integrations, payment enhan

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Contract, Third Party

$$60/hr C2C

Data & Backend Architect – Azure Data Brick, Data Layer (Claude AI–Driven)

Remote

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Today

Position Data & Backend Architect Azure Data Brick, Data Layer (Claude AIDriven) Experience:15+ years of software engineering experience, including 5+ years at Principal Architect / Senior IC level Location:New York OR New Jersey Remote (but travel when required) Data & Backend Architect Azure Data Brick, Data Layer (Claude AIDriven) Product Development, Sustenance, Modernization & Agentic AI infusion Travel: 25% during active client engagements Experience Level: 15+ years About Persistent S

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Full-time

Depends on Experience

Lead Backend Java Engineer (Kotlin)

Remote

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Today

About Evolutyz Corp: Evolutyz Corp, a vibrant, award-winning, woman-owned IT consulting firm headquartered in Naperville, IL. We are passionate about innovation and committed to driving business transformation with our custom technical solutions. As a certified MBE enterprise, we promote a diverse and inclusive work environment where your ideas are valued. At Evolutyz, youll find the perfect opportunity to grow your career, make an impact, and collaborate with a team that supports your professio

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Full-time

60 - 70

Java Backend Engineer

Hybrid in Merrimack, New Hampshire

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20d ago

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. W2 ONLY NO STEM OPT We are currently seeking a Java backend engineer to join our team in Merrimack, New Hampshire (US-NH), United States (US). Job Description: Bachelor''s Degree or equivalent in a technology related field (e.g. Computer Science, Engineering, etc.) required. 10+ years of demonstra

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Third Party, Contract

Depends on Experience

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

Remote

•

Today

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

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Full-time

$140,000 - $200,000

Senior Software Engineer (Ruby/RoR, Chatbots & AI)

Remote

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Today

About Workato Workato delivers enterprise infrastructure for the agentic era, redefining iPaaS and helping enterprises unify data, applications, processes, and AI into a single, governed platform. A leader in Enterprise MCP and trusted by 50% of the Fortune 500, Workato's cloud-native architecture connects every application, data source, and process to power real-time orchestration at scale. With enterprise-grade security and continuous innovation at its core, Workato provides the trusted found

Full-time

Senior Backend .NET Engineer

Remote or Lakeland, Florida

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Backend .NET Engineer in Lakeland, FL. General Overview: We are seeking an experienced Senior Backend .NET Engineer to design, develop, and maintain robust, scalable backend systems that power our enterprise applications. This role focuses on server-side development using modern .NET technologies, ensuring high performance, security, and seamless integration with front-end components and third-party services. Key Responsibilities:

Contract

$62.50 - $70.00 hourly

AI/LLM Engineer

Remote

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Today

AI/LLM EngineerIntroduction: We are currently seeking an experienced AI/LLM Engineer to join our team. The ideal candidate will have a strong background in Large Language Models (LLMs) and Artificial Intelligence (AI) with hands-on experience in backend development, cloud computing, and machine learning. Responsibilities: Develop and implement Large Language Models using tools such as OpenAI, Azure OpenAI, or similar platformsWork on Prompt engineering, function calling, and RAG architectures fo

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Contract

Depends on Experience

Backend Developer jobs in Merrimack, NH, USA