Backend Developer jobs in Merrimack, NH

Lead : Python Backend Developer (Healthcare / Claims)

Remote

•

12d ago

Lead Python Backend Developer AWS & AI (Healthcare / Claims) Position: Lead Python Backend Developer AWS & AI Experience: 12+ Years Employment Type: Full-Time Domain: Healthcare / Health Insurance / Claims Mandatory About the Opportunity We are looking for a strong hands-on Python Backend Development Lead with extensive experience in AWS Cloud, Microservices, Distributed Systems, and AI-Assisted Development. The ideal candidate must have deep expertise in Python backend engineering, experie

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Full-time

Depends on Experience

Backend Developer - Node JS/ TypeScript / React / AWS

Remote

•

16d ago

Position: Senior Backend Developer Node.js / TypeScript / React / AWS Company : Yottaflex AI Technologies Location: Remote Employment Type: Contract Duration: 612 Months (Potential Extension) Job Description We are looking for a highly experienced Senior Full Stack Developer with strong hands-on Node.js and TypeScript backend development experience to design, develop, and deploy scalable enterprise applications. The ideal candidate must be backend-strong while also having solid experience with

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Third Party, Contract

Depends on Experience

Backend Developer – MDMLite

Remote

•

2d ago

Job Title: Backend Developer MDMLite Job Type: Full-Time Locations: Remote Python FastAPI Snowflake Elasticsearch Azure Master Data Management (MDM) Full-Time Opportunity THE ROLE We are looking for a Backend Developer with 3-5 years of experience to design, build, and support backend services and REST APIs for the MDMLite platform. In this role, you will work with Python, FastAPI, Snowflake, Elasticsearch, Docker, and Azure services to develop scalable, secure, and high-performing applica

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Full-time

130000

Backend Software Developer

Remote

•

Today

The Software Developer (Backend) provides subject matter proficiency for our USAF mission. This role is responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management

Full-time

Depends on Experience

Python Backend Developer

Remote or Hybrid in Reston, Virginia

•

3d ago

Python Backend Developer Reston, VA (Occational Travel required) 8+ Months What I'm looking for: Strong hands-on Python backend development experience Solid experience designing and developing REST APIs using FastAPI Strong SQL skills, including complex queries and database integrations Exposure to Kafka, AWS, and Kubernetes is a plus Ideally looking for someone with a strong backend engineering background who is comfortable working on complex, enterprise-scale applications. Thanks & RegardsMo

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Contract

Depends on Experience

Lead : Python Backend Developer (Healthcare / Claims)

Remote

•

10d ago

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Full-time

Depends on Experience

Senior Backend .NET Developer with Automation Experience

Remote

•

2d ago

Job Title: Senior Backend .NET Developer Location: Remote Duration Contract through end of 2027 Job Description: Location Position Overview Client is seeking two experienced Senior Backend .NET Developers to join a team focused on improving and modernizing the prior authorization process for specialty care. The team is working to make prior authorization reviews faster and more efficient, reducing delays for providers and helping patients receive appropriate care sooner. The work will focus on i

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Contract

$60 - $70

Java Backend Developer

Remote

•

6d ago

Job Title: Java Backend Developer Location - Remote Role Overview The Technical Lead will be a hands-on Engineer who will also own architecture, integration design, engineering standards, code quality, and technical delivery for a Java/Spring Boot microservice supporting the Debt Management System platform. Key Responsibilities Lead technical design for Java/Spring Boot microservices, REST APIs, event-driven workflows, and service integrations. Guide code quality, pull request reviews, testi

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Contract

Depends on Experience

Java Backend developer - Only w2

Remote

•

9d ago

Required Skills & Experience 6+ years of backend Java development experience Strong expertise with Java and Spring Boot Experience building and supporting Microservices architectures Hands-on experience with Kafka and event-driven systems Strong experience with NoSQL databases Experience designing and developing RESTful APIs Ability to work independently with minimal ramp-up time Strong problem-solving and troubleshooting skills

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Contract

Depends on Experience

Junior Java Backend Developer

Remote

•

5d ago

Position: Junior Java Backend Developer Location: Remote Must support PST time zone Experience: 02 Years (Not more than 2 Years) is looking for a talented and motivated Junior Java Backend Developer with strong fundamentals in Java, Data Structures, and Algorithms. The ideal candidate will be a recent graduate or early-career professional from a reputed university, preferably among the Top 100 universities in the USA, with a strong academic record and a passion for backend development. Bachelo

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Full-time

Depends on Experience

Java Backend Developer

Remote

•

10d ago

Hello All, Greetings from Rootshell Inc. Rootshell Enterprise Technologies Inc. is a recognized provider of professional IT Consulting services in the US. We are actively seeking Java Backend Developerfor one of our client, Please share your resume with current location & full contact info Role:Java Backend Developer Location:Remote Job Summary Job Summary We are seeking a skilled Java Backend Developer to design, develop, and maintain scalable, high-performance backend applications. T

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Full-time, Third Party

Depends on Experience

Senior Java Backend Developer

Remote

•

19d ago

Senior Java Backend Developer Location: Remote must work Pacific Time (PST/PDT) hours Experience: 8+ years Employer: ZAPCOM Role Overview ZAPCOM is seeking a Senior Java Backend Developer to support a client engagement. The ideal candidate will have strong hands-on experience building scalable backend services, developing REST APIs, and delivering reliable applications in a distributed environment. Key Responsibilities Design, develop, and maintain backend applications using Java and Spring Boo

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Full-time

100,000 - 130000

Java Backend Developer

Remote

•

Today

We are looking for strong Java back-end developers as we move forward in the project in JAVA tech stack involving Restful Webservices and Soap Webservices. The project revolves around a lot of data coming from various sources, so strong SQL knowledge and interpretation of complex SQL queries is a must. Mandatory skills: Must have strong, hands on experience on: Strong hands-on understanding of Java 8 Hands-on experience on micro-services and webservices development (both SOAP and REST) Hands on

Full-time

USD 55.00 - 65.00 per hour

Django Backend Lead Developer

Remote or North Carolina

•

Today

Job Title: Django Backend Lead Developer Location: Jersey City, NJ/Charlotte, NC (Remote) Job Summary We are seeking an experienced Django Backend Lead Developer to join our team. The ideal candidate will have a strong background in backend development, cloud technologies, and big data processing. This role involves leading technical projects, mentoring junior developers, and ensuring the delivery of high-quality solutions. Key Responsibilities Lead the development of backend systems using Djang

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Contract

Senior Backend .NET Developer

Remote

•

Today

Job Title: Senior Backend .NET Developer Job Location: Remote Job Type: Full Time Job Description: Develop backend services and REST APIs using C# and .NET. Build business and domain logic using SOLID and Clean Architecture principles. Work with Entity Framework Core, LINQ, SQL Server, and Azure SQL. Design integrations with enterprise and third-party systems. Implement asynchronous processing, background services, and messaging. Work with Azure Service Bus and other messaging technologies. I

Full-time

Software Engineer II, Backend (Batch Developer Experience)

Remote

•

Today

At Affirm, we exist for the moments that matter-giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. The Engineering team builds systems that power Affirm's mission. We take pride in our craft, building reliable, performant, and scalable solutions that touch every part of the business. Whether we're enabling new ways to pay, ensuring our platforms can scale to the most demanding levels in the industry, or developing s

Full-time

USD 165,000.00 - 225,000.00 per year

Application Developer

Remote

•

5d ago

Founded in 2001, Optima Global Solutions Inc., brings over 2 decades of experience and expertise in facilitating IT transformation within industries ranging from higher education and government to manufacturing and financial services. Sporting scalable and diverse business solutions expertise along with deep-domain based resourcing capabilities, Optima has a specialization in Automation and AI, Strategic Staffing and Custom Solutions Development, focusing on the core pillars of process, people,

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Contract, Third Party

$75 - $85

Lead Developer Java Backend

Remote

•

3d ago

Job Description: Lead Java Backend DeveloperJob Title: Lead Java Backend Developer Experience: 8+ Years Job Type: Full-Time / Contract Location: Open to All Locations Across the USA Work Model: Onsite / Hybrid / Remote (Based on Client Requirements) Job SummaryWe are seeking an experienced Lead Java Backend Developer to lead the design, development, and implementation of scalable, high-performance backend applications. The ideal candidate will have strong expertise in Java, Spring Boot, microser

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Full-time

55 - 60

SR SOFTWARE ENGINEER

Remote

•

2d ago

Seeking an experienced Full Stack Engineer with strong backend and AI development experience to provide temporary engineering capacity supporting the development of digital tools for the Enterprise Architecture practice and Architecture Assurance process. The resource will work with Architecture and engineering teams to develop and integrate backend services, data capabilities, user-facing functionality, and AI-enabled features. Work will include developing capabilities that make Architecture st

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Third Party, Contract

$75 - $84

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

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 Developer jobs in Merrimack, NH, USA