backend developer Jobs in londonderry, nh

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Backend Java Developer

4 Consulting Inc

•

Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He
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Posted 60+ days ago | Updated 6 hours ago

Lead Java Back End and Angular Developer - C13 - IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

The Back End Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and pro
Posted 10 hours ago

Senior Node.JS Developer (BAckend expert)

Shift Code Analytics

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Remote

Contract, Third Party

Hi, Hope you are doing well I have an urgent opening of Sr. Node.JS Backend Developer with Angular and AWS at remote role Title: Senior Node.JS Developer POSITION SUMMARY: The serves as a Senior Full Stack Developer technical resource and participates in all phases of the development life cycle. The Senior Full Stack Developer analyzes business logic and technical challenges and will shape and deliver the Company s future. The Senior Full Stack Developer analyses, configures, and tunes applicat
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Posted 4 days ago

Full Stack Developer - Backend / API Development

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is looking for a Full Stack Developer - Backend / API Development to join a strategic global organization a fully remote role working EST / CST hours. The ideal Full Stack Developer - Backend / API Development will design and build scalable backend services while contributing to frontend development efforts. Responsibilities for Full Stack Developer - Backend / API Development: Build and maintain robust, scalable RESTful APIs using Python to power core platform features Collab
Posted 4 days ago | Updated 8 hours ago

Healthcare Backend Application Developer

Oxford Global Resources

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Remote

Contract

Our client is building a Health Information Exchange (HIE) and they are looking for an Backend Application Developer with healthcare data experience. Must have an understanding of HL7 and FHIR interoperability standards. Their internal team is stretched thin and they need someone who can come in and pick up the slack with existing support functions. Duties: Build reliable, observable software for high transaction volumesArchitect API-driven systems for large-scale data exchangeProvide technical
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Posted 3 hours ago

Software Engineer - Backend Software Developer

Splunk Inc.

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Colorado, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 24 days ago | Updated 10 hours ago

Java Backend Application Senior Developer - C14 - JERSEY CITY

Citi

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Remote or Jersey City, New Jersey, USA

Full-time

Job Description The Account Master Central (AMC) team within Institutional Service Group (ISG) is seeking a Senior Java Backend Lead Developer to join our engineering team in NJ. Potential candidates MUST have experience with and are enthusiastic about developing all areas of middle-tier and back-end system programming. The responsibilities of this position include but are not limited to: writing large scale Java programs in pure core Java to facilitate both batch and real-time processing. All p
Posted 42 days ago | Updated 10 hours ago

Node Backend Developer

Tekfortune Inc.

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Remote

Contract

Role: Fullstack Developer (React) Remote 6 months + extensions Profile - Looking for more Back END focused. Backend could be up to 100%. If they know React that is a nice to have. Node.JS Typescript Express React - Nice to have. Typescript AWS. Ruby on Rails or TDD - Nice to have. ORM - Nice to have.
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Posted 60+ days ago | Updated 4 hours ago

Backend Java Developer (Apps Dev Tech Lead Analyst - C13 )- IRVING

Citi

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Remote or Irving, Texas, USA

Full-time

The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements
Posted 60+ days ago | Updated 10 hours ago

Web Developer

Pozent

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Remote or Woburn, Massachusetts, USA

Contract

6 month plus contract opportunity Remote position - CST Overview We are seeking a skilled and reliable Web Developer / Backend Engineer to provide ongoing support and project-based development across our digital ecosystem. This includes building new websites, updating existing websites, and handling server-side tasks and remediation. Familiarity with Microsoft Azure and Kentico CMS is essential. Background Our organization operates multiple web properties and digital tools hosted primarily in
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Posted 31 days ago | Updated moments ago

Backend Engineer

Randstad Digital

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Remote or Columbus, Ohio, USA

Contract

job summary: Senior Backend Engineer Expertise in Go, Typescript, node.JSProficiency in designing efficient GraphQL API's and microservices for low latency and high availability systemStrong experience with MySQLExperience in cloud environments (AWS & Google Cloud Platform)Experience in TerraformExperience in CloudFormation location: Columbus, Ohio job type: Contract salary: $97 - 99 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Expertise in Go, Typescript, node.JS
Posted 3 days ago | Updated 1 hour ago

Backend Software Engineer - Golang (LLM)

Bayside Solutions

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Remote

Contract

Backend Software Engineer - Golang (LLM) W2 Contract Salary Range: $124,800 - $145,600 per year Location: Remote Role - PST Requirements and Qualifications: Solid experience developing and deploying service-oriented applications on Kubernetes. Proficiency in one or more mainstream microservice programming languages such as Go, Java, or equivalent. Hands-on experience with deployment management tools, such as Helm or Kustomize. Familiarity with monitoring and observability tools such as Prome
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Posted 3 days ago | Updated 3 hours ago

Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

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Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste
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Posted 41 days ago | Updated 7 hours ago

Mobile Developer with Angular/Ionic+ADA and WCAG 2.1 compliance standards.

Fortune Global Solutions, LLC

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Remote

Contract, Third Party

Position: Mobile Developer with Angular/Ionic+ADA and WCAG 2.1 compliance standards. Location: Remote Duration: 6-12 Months Job Description: We are looking for a skilled Front-End Developer who can contribute across both mobile and web (.com) platforms. The ideal candidate will have hands-on experience with Angular and Ionic frameworks, and a strong understanding of ADA compliance to ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain r
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Posted 3 days ago | Updated 2 days ago

Principal Cybersecurity Engineer

NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP
Posted 12 days ago | Updated 6 days ago

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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Remote

Contract, Third Party

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal
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Posted 26 days ago | Updated moments ago

Solutions Architect

SUNRAY INFORMATICS

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Remote

Contract, Third Party

We at Sunray Informatics have an exciting opportunity with one of our clients in Pittsburgh, PA for a 100% Remote contract position. Below are the details of the job description.Role: Solutions ArchitectLocation: Pittsburgh, PA 100% RemoteDuration: 12months+Job Description: We are seeking a Senior Backend Engineer / Solutions Architect to join our clients innovative engineering team. This role is ideal for a backend specialist with deep expertise in Node.js and TypeScript, who is confident desi
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Posted 19 days ago | Updated 6 hours ago

Accessibility Web Developer (Mobile + Web)

Allwyn Corporation

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Remote

Contract, Third Party

NOTE:This is 4 month contract only. 40 Hrs / per week. We are looking for a skilledFront-End Developerwho can contribute across bothmobile and web (.com)platforms. The ideal candidate will have hands-on experience withAngular and Ionic frameworks, and a strong understanding ofADA complianceto ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile and web platforms.Collaborate with UI/UX
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Posted 13 days ago | Updated 3 days ago

Software Engineer, Backend

West Coast Consulting LLC

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Remote

Full-time

Job Description REMOTE JOB DESCRIPTION We're looking for a skilled Senior Backend Engineer (Contractor) to join our GraphQL API platform team. In this role, you'll focus on migrating legacy Python services to Go within our GraphQL API services. Experience with GraphQL, including GraphQL Federation and Apollo Router, is a strong plus. You'll use internal tools and processes developed by the GraphQL team to accelerate our migration from Python to Go. We're seeking someone who thrives in a fas
Posted 23 days ago | Updated 7 hours ago

.Net Backend Architect

MASH Pro Tech

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Remote

Contract

Role : .Net Backend Architect (Trading Platforms) Location :Remote Experience : 8-20 Years Key Responsibilities Architecture & System Design Architect and lead development of a scalable and compliant backend system for binary trading markets (e.g., sports futures).Design and implement:Order Management System (OMS): Trade matching, limit orders, and execution.Clearing House Connectivity: Integration of trade flows and money movement with clearing partners.Compliance Subsystems: Regulatory checks
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Posted 26 days ago