Backend developer jobs in londonderry, nh

Full Stack Engineer (Front and Back End)

Remote

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2d ago

Full Stack Engineer (Front and Back End)AGENCY/RECRUITERS: DO NOT APPLY We are seeking an experienced Full Stack Developer with strong expertise in designing, developing, and supporting enterprise-grade applications within the utility and energy domain. The ideal candidate will have hands-on experience building scalable web applications, REST APIs, cloud-native solutions, and integrating enterprise systems. Experience working with electric and gas utility platforms, energy management systems, me

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Contract

55 - 60

Software Engineer II, Backend (Streaming)

Remote

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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 Streaming team at Affirm is responsible for all things data and drives the strategy for event driven architecture, stream processing, data exploration, discovery and validation. We leverage existing open source technologies like Kafka, Flink, Schema registry and also build our own as needed. As a member of our team

Full-time

USD 165,000.00 - 225,000.00 per year

Senior Software Engineer, Backend (Card Loan Platform)

Remote

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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 Card Loan Platform team builds the high-throughput decision engine at the heart of Affirm's card products. Unlike traditional cards, every pay-later transaction is backed by its own unique loan, and our system is the "invisible piping" that makes this complex model work at scale. Every swipe triggers our platform t

Full-time

USD 195,000.00 - 255,000.00 per year

Software Engineer, Core Platform

Remote

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Today

Join the company that's building the telemetry infrastructure for the AI era. At Cribl, we partner with IT and Security teams at many of the world's biggest enterprises, including half of the Fortune 100, to bridge the gap between AI ambition and infrastructure reality. As the AI Platform for Telemetry, we give customers the choice, control, and flexibility to manage and analyze telemetry for both humans and agents, so they can build what's next. We're one of the fastest-growing private compani

Full-time

USD 150,000.00 - 175,000.00 per year

Senior Software Engineer, Backend (Loan Origination and Reporting)

Remote

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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 195,000.00 - 255,000.00 per year

Technical Product Manager of Artificial Intelligence (AI) Systems, Work From Home - M

Remote

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Today

Technical Product Manager of Artificial Intelligence (AI) Systems, Work From Home The Technical Product Manager of Artificial Intelligence (AI) Systems is a deeply technical, hands-on role. The Technical Product Manager of Artificial Intelligence (AI) Systems will work directly with engineers on system design, evaluation, and trade-offs-defining requirements, but shaping how the system works for global users. The Technical Product Manager of Artificial Intelligence (AI) Systems will work at th

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Full-time

$185,000 - $210,000

Technical Product Lead, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home - M

Remote

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Today

Technical Product Lead, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home As Technical Product Lead, AI Email Applications, you will work at the intersection of user needs, model capability, and engineering constraints. The Technical Product Lead will work directly with Machine Learning (ML) and engineering teams to define how the system should behave, how we measure it, and how we continuously improve it. This is a deeply technical, hands-on role. You are expected t

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Full-time

185000 - 200000

Product Lead, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home - M

Remote

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Today

Product Lead, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home As Product Lead, AI Email Applications, you will work at the intersection of user needs, model capability, and engineering constraints. The Product Lead will work directly with Machine Learning (ML) and engineering teams to define how the system should behave, how we measure it, and how we continuously improve it. This is a deeply technical, hands-on role. You are expected to understand the system and ch

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Full-time

175000 - 195000

Product Engineer, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home - M

Remote

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Today

Product Engineer, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home As Product Engineer, AI Email Applications, you will work at the intersection of user needs, model capability, and engineering constraints. The Product Engineer will work directly with Machine Learning (ML) and engineering teams to define how the system should behave, how we measure it, and how we continuously improve it. This is a deeply technical, hands-on role. You are expected to understand the

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Full-time

$150,000 - $185,000

Product Engineer, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home

Remote or San Francisco, California

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Today

Company Description Job Description Product Engineer, AI Email Applications, Artificial Intelligence (AI) Required - Work From Home As Product Engineer, AI Email Applications, you will work at the intersection of user needs, model capability, and engineering constraints. The Product Engineer will work directly with Machine Learning (ML) and engineering teams to define how the system should behave, how we measure it, and how we continuously improve it. This is a deeply technical, hands-on role

Full-time

Staff Software Engineer, Backend (Fraud Decisioning)

Remote

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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. Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm, Inc. proudly includes Affirm, PayBright, and Returnly. We are looking for a Staff Engineer to lead projects and initiatives on the Fraud De

Full-time

Senior Software Engineer, Backend (Workload Safety)

Remote

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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. Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm's engineering team is building a large-scale, highly available, and global infrastructure that is shared across multiple financial products

Full-time

USD 16,000.00 - 24,000.00 per month

IoT / Edge Software Engineer (Bethesda (REMOTE), MD, US)

Remote or Bethesda, Maryland

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Today

Req ID: 395782 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. We are currently seeking a IoT / Edge Software Engineer to join our team in Bethesda (REMOTE), Maryland (US-MD), United States (US). Job Summary: The IoT Edge Software Engineer is responsible for the design, development, deployment, and maintenance of edge software components that e

Full-time

USD 87,120.00 - 181,500.00 per year

Senior Software Engineer, Backend (Card Ledger & Money Movement)

Remote

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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 Money Movement & Card Ledger team is looking for a passionate Software Engineer to help build the tools and systems that we use to manage money movement, bank data integration & merchant data. Affirm Card is Affirm's newest financial product that marries the functionality of a debit card with access to Affirm's buy

Full-time

USD 195,000.00 - 255,000.00 per year

Senior Staff Software Engineer, Backend (Compute Platform)

Remote

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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. Senior Staff Software Engineer (Compute Platform) Remote Canada Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Affirm's engineering team is building a large-scale, highly-available, and globa

Full-time

Sr. Systems Engineer (AWS Data Engineer)

Remote

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Today

Job ID: 2616243 Location: Remote Work, TX, US Date Posted: 2026-08-28 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_REMOTE Description ?SAIC is searching for a motivated, career and customer-oriented Sr. AWS Data Engineer who will lead the next phase of our healthcare data platform modernization. This role

Full-time

USD 120,001.00 - 160,000.00 per year

Principal Software Engineer

Remote or Continental, Ohio

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Today

ITHAKA's mission is to expand access to knowledge and education around the world. Our services - JSTOR, Portico, and Ithaka S+R - enable people everywhere to learn, to grow, and to overcome barriers to education. In carrying out our mission, as employees we feel a deep responsibility to members of our community and to each other, and we are committed to building and sustaining a culture where everyone can thrive. Level Depending on experience and qualifications, ITHAKA is open to considering c

Full-time

USD 129,076.00 - 161,345.00 per year

Engineering Manager, Identity & Access Platform

Remote or San Francisco, California

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Today

Circle (NYSE: CRCL) is one of the world's leading internet financial platform companies, building the foundation of a more open, global economy through digital assets, payment applications, and programmable blockchain infrastructure. Circle's platform includes the world's largest regulated stablecoin network anchored by USDC, Circle Payments Network for global money movement, and Arc, an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises, financial insti

Full-time

USD 195,000.00 - 236,667.00 per year

Sr Java Engineer // UNICORN Startup // Fully Remote

Remote

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Today

A rapidly growing sleep technology company is seeking a Senior Backend Engineer to join its high-performing engineering organization. This full-time opportunity can be performed remotely and offers the chance to work on a sophisticated technology platform that combines cloud computing, IoT devices, machine learning, and large-scale data processing. The ideal candidate will bring strong backend engineering expertise and experience building distributed systems in cloud-native environments. This is

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Full-time

$180000 - $250000

Sr. Staff Engineer (Fullstack/Backend)

Remote

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Today

Hims & Hers is the leading health and wellness platform, on a mission to help the world feel great through the power of better health. We are redefining healthcare by putting the customer first and delivering access to care that is affordable, accessible, and personal, from diagnosis to treatment to delivery. No two people are the same, so we provide access to personalized care designed for results. By normalizing health & wellness challenges and innovating on their solutions, we're making bette

Full-time

USD 240,000.00 - 280,000.00 per year

Backend developer jobs in Londonderry, NH, USA