backend developer Jobs in londonderry, nh

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Python Backend Engineer

Ledgent Technology

Remote

Full-time

No C2C / No Third-Party Agencies Sr Python Backend Engineer Remote - Must be U.S. based $150,000 -$175,000 (DOE) : Full-Time, Direct Hire . We're hiring on behalf of a fast-growing AI/ML company revolutionizing healthcare staffing and operations. Their cutting-edge platform leverages Generative AI and voice biomarker technology to reduce administrative burdens and improve patient care. What You'll Do: As a Senior Backend Engineer, you'll play a key role in building and scaling Python micros

Backend Engineer (Face to Face Interview)

Accroid Inc

Remote

Contract

We need someone HEAVY Node, JavaScript and SQL - NOT Java or Python. 100% Remote Backend Engineer Dallas, TX Only Local consultants PH and F2F (Final round) LinkedIn, SSN, DOB We need someone HEAVY Node, JavaScript and SQL - NOT Java or Python. MUST be heavy on Node, Javascript, SQL. They are not looking for a Java or Python BE person. If start-up or small high growth company experience a plus. Skills by order of importance Entrepreneur mindset - bonus if previous founder and/or previous start

React Native Developer - Remote / Telecommute

Cynet Systems

Remote

Contract

Job Description: Application Development: Building and maintaining high-quality React Native applications for iOS and Android. UI/UX Implementation: Creating pixel-perfect user interfaces that align with design specifications, often involving translating visual concepts into functional application experiences. Performance Optimization: Diagnosing and resolving performance bottlenecks to ensure optimal speed, responsiveness, and quality. Code Quality and Testing: Writing clean, reusable, and scal

Sr. Front End Developer

Ledgent Technology

Remote

Full-time

TYPE: Full-Time, Direct Hire LOCATION: Denver SCHEDULE: Remote SALARY: $130k-$150k (depending on experience) Travel and/or in-office presence may be required at times. Generous benefit package including travel benefits and retirement. THE DEPARTMENT The following teams make up the Technology department: Business Analysis and Quality Assurance, Applications Development, Applications Support, and Engineering. The group identifies and develops technological strategies that support GVI's busines

Principal Cybersecurity Engineer

NuLeap

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

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

Backend developer This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

REMOTE Sr. Java Developer (HIPAA/SOC 2)

Jobot

US

Full-time

100% REMOTE This Jobot Job is hosted by: Katherine Krull Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $160,000 - $200,000 per year A bit about us: About the Role We're seeking a Senior Java Backend Developer to join our fast-growing healthtech company focused on remote patient monitoring and AI-driven innovation. This role is perfect for engineers who have led efforts migrating from monolithic to microservices architectures and who thrive

Software Engineer, Backend

West Coast Consulting LLC

Remote

Contract

Job Description Remote 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 fast-paced environment, excels at solving complex problems, and collaborates effortlessly across teams. Responsibilities inclu

Senior Python Developer / Remote / Cloud & Microservices

Motion Recruitment Partners, LLC

Remote or San Francisco, California, USA

Full-time

Job Description Join a globally recognized leader in the entertainment and media industry for a fully remote, long-term contract role focused on impactful backend development. Known for its cutting-edge technology, strong developer-first culture, and commitment to work-life balance, this company is looking to bring on a Senior Python Backend Engineer to join its high-impact platform team. You'll be contributing to the architecture and development of highly scalable backend systems, APIs, and s

Mid Cloud Software Engineer

Booz Allen Hamilton

Lexington, Massachusetts, USA

Full-time

Job Number: R0223146 Cloud Software Engineer, Mid The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you

Mid Cloud Software Engineer

Booz Allen Hamilton

Lexington, Massachusetts, USA

Full-time

Job Number: R0223147 Cloud Software Engineer, Mid The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you

Mid Cloud Software Engineer

Booz Allen Hamilton

Lexington, Massachusetts, USA

Full-time

Job Number: R0223144 Cloud Software Engineer, Mid The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, you

Mid Cloud Software Engineer

Booz Allen Hamilton

Lexington, Massachusetts, USA

Full-time

Job Number: R0222791 Cloud Software Engineer, Mid The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We're looking for a back-end developer with the sof tware engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients. As a back-end developer at Booz Allen, yo

Full Stack Engineer (remote)

ICF

Remote or Reston, Virginia, USA

Full-time

The Team Our Health Engineering Solutions (HES) team works side by side with customers to articulate a vision for success, and then make it happen. We know success doesn't happen by accident. It takes the right team of people, working together on the right solutions for the customer. We are looking for a seasoned Senior Backend Engineer who will be a key driver to make this happen. Our team supports the vision to improve patient quality care and consumer decision-making by hospital providers ac