Senior backend developer jobs in chicopee, ma

Senior Backend Engineer, Experimentation

Remote

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Today

About the Job: LaunchDarkly is seeking a Senior Backend Engineer to join our Experimentation team. The Experimentation team is building one of the company's most strategic product areas: a platform that helps leading engineering organizations move beyond intuition and make product decisions with real statistical confidence. Sitting at the intersection of large-scale systems, data science, and user experience, the team is creating a best-in-class experimentation product that lets customers set

Full-time

USD 191,800.00 - 263,670.00 per year

Senior Software Engineer, Backend

Remote

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Today

Join the Tilt team At Tilt, we see a side of people that traditional lenders miss. Our mobile-first products and machine learning-powered credit models look beyond credit scores, using over 250 real-time financial signals to recognize real potential. With millions of customers worldwide, we're not just changing how people access financial products - we're creating a new credit system that backs the working, whatever they're working toward. The Opportunity: Senior Software Engineer, Backend We'

Full-time

USD 170,850.00 - 201,000.00 per year

Senior Backend Engineer, Billing

Remote

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Today

About the Job: Software powers the world, and LaunchDarkly empowers teams to deliver and control it safely. As a Senior Backend Engineer on the Billing team, you will own the systems that turn every plan, price, entitlement, and usage limit into revenue - checkout, subscription and entitlement APIs, usage metering, and the integrations to our billing, CRM, and finance systems. When billing is wrong, customers get the wrong product and we invoice the wrong amount. Correctness here is a commitmen

Full-time

USD 191,800.00 - 263,670.00 per year

Senior Software Engineer, Backend Engineering

Remote or New York, New York

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Today

Maven Clinic is the world's largest virtual clinic for women and families on a mission to make healthcare work for all of us. Through Maven Enterprise, the company partners with more than 2,300 employers and health plans to provide end-to-end women's and family health programs spanning fertility and family building, maternity and newborn care, parenting and pediatrics, and menopause and midlife - improving clinical outcomes, reducing healthcare costs, and expanding equitable access to high-quali

Full-time

USD 195,000.00 - 230,000.00 per year

Sr. Backend Engineer

Remote

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Today

dv01 is lifting the curtain on the largest financial market in the world: structured finance. The $16+ trillion market is the backbone of everyday activities that empower financial freedom, from consolidating credit card debt and refinancing student loans, to buying a home and starting a small business. dv01's data analytics platform brings unparalleled transparency into investment performance and risk for lenders and Wall Street investors in structured products. As a data-first company, we wra

Full-time

USD 140,000.00 - 160,000.00 per year

Senior Backend Engineer, Data Platform

Remote

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Today

About the Job: Software powers the world, and LaunchDarkly empowers teams to deliver and control it safely. As a Senior Backend Engineer on the Data Platform team, you will help build and operate the distributed data infrastructure that moves, stores, and serves large volumes of product data across LaunchDarkly. Our systems support customer-facing product capabilities across Experimentation, Metrics, Release Guardian, Observability, AgentControl, and other areas that depend on reliable data. Y

Full-time

USD 187,000.00 - 257,000.00 per year

Senior Backend Engineer, Identity & Access Management

Remote

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Today

About the Job: Software powers the world, and LaunchDarkly empowers teams to deliver and control it safely. As a Senior Backend Engineer on the Identity & Access Management team, you will own the systems every customer touches before they touch anything else: SAML and OAuth2 single sign-on, SCIM user and team provisioning, login and session management, multi-factor authentication, and the API key and token infrastructure that authenticates every request to our platform. When authentication is w

Full-time

USD 191,800.00 - 263,670.00 per year

Senior Backend Software Engineer

Remote or New York, New York

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Today

1 in 4 people in the US have a treatable mental health condition, but most providers don't accept insurance, making therapy too expensive for most people. Headway's mission is to fix this by building a new mental healthcare system everyone can access. We started by solving the biggest barrier to care: insurance. The admin work - credentialing, claims, payment reconciliation - is a nightmare. We've automated that. But we're going further. Over 75,000 providers across all 50 states run their prac

Full-time

USD 182,750.00 - 278,500.00 per year

Java Backend Developer/Technical Lead

Remote

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Yesterday

Job Title: Java Backend Developer/Technical Lead Microservices, Java, Spring Boot, Financial Services Location: New Jersey-Hybrid 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 workfl

Easy Apply

Contract

Depends on Experience

Senior Backend Engineer, Flag Delivery

Remote

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Today

About the Job: Software powers the world, and LaunchDarkly empowers teams to deliver and control it safely. As a Senior Software Engineer on the Flag Delivery team, you will own the critical-path systems that stream feature-flag configuration to every connected SDK globally, in near real time. These systems run at high scale and have to stay reliable, low-latency, and correct; when they fail, customers lose control of their features. This is added headcount on a growing team. You will work on

Full-time

USD 191,800.00 - 263,670.00 per year

Senior Backend Software Engineer - Agent Platform

Remote

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Today

Our Purpose At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find

Full-time

USD 132,000.00 - 182,000.00 per year

Senior Software Engineer, Back-End (Power Packs)

Remote or California

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Today

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade, authenticate, vault, and sell millions of record-setting collectibles, all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. We're always on the lookout for talented people to join our growing team. Our services span collectible trading cards, autographs, comic books, coins, video games, event tickets,

Full-time

USD 140,971.00 - 228,870.00 per year

Senior Backend and Integration Engineer (IT)

Remote or Denver, Colorado

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Today

Posting Date 07/22/2026 2000 16th St, Denver, Colorado, 80202-5117, United States of America Job Title: Senior Back-End & Integration Engineer Department: Enterprise IT Reports To (Title): Manager/Director, IT GENERAL PURPOSE OF THE JOB As a Senior Back-End & Integration Engineer at DaVita, you will architect, build, and scale the middleware, APIs, and enterprise integrations that power our public-facing digital platforms. This position prioritizes back-end engineering and systems integratio

Full-time

USD 85,000.00 - 135,000.00 per year

Remote Senior Backend Engineer (Python/FastAPI)

Remote

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Yesterday

About Us: Based in San Francisco, California, Turing is the worlds leading research accelerator for frontier AI labs and a trusted partner for global enterprises deploying advanced AI systems. Turing supports customers in two ways: first, by accelerating frontier research with high-quality data, advanced training pipelines, plus top AI researchers who specialize in software engineering, logical reasoning, STEM, multilinguality, multimodality, and agents; and second, by applying that expertise to

Easy Apply

Contract

200 - 300

Java Backend Developer/Technical Lead -Jersey City, NJ (Remote)

Remote

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Yesterday

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, testing standards, and engineering best practices. Own int

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Contract, Third Party

Depends on Experience

Senior Software Engineer, Back-End (Vault)

Remote or California

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Today

Full-time

USD 140,971.00 - 228,870.00 per year

Senior Software Engineer - Backend / Cloud Services

Remote

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Today

About This Role: The Senior Software Engineer (Backend/Cloud Services) provides hands-on technical leadership for the backend systems that support Hunter's AWS-based IoT consumer application. This role owns cloud architecture, leads the design, development, and implementation of AWS Lambda microservices, infrastructure as code, REST APIs consumed by mobile and web applications, event-driven services, database models, telemetry pipelines, and AWS IoT Core device communication. The position acts a

Full-time

USD 120,000.00 - 135,000.00 per year

Senior Backend Engineer - Client integrations (USA)

Remote or New York, New York

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Today

About Kalepa: Insurance is a $7T global industry built on professional labor: underwriting, claims, pricing, operations, and distribution. Kalepa is building AI that can perform that work. We create professional-grade AI systems for insurers: software that can read, reason, decide, and act inside real workflows and operate over long-time horizons. Kalepa begins by augmenting professionals with the tools to succeed at their jobs. That earns us the right to learn from real decisions, capture dec

Full-time

USD 165,000.00 - 225,000.00 per year

Senior Everything Engineer (Backend Focus)

Remote

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Today

About the Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We're looking for thoughtful, skilled professionals who thrive as trusted partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse transforms the way government uses da

Full-time

Senior Software Engineer, Back-End (Payments)

Remote

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Today

Full-time

USD 140,971.00 - 228,870.00 per year

Senior backend developer jobs in Chicopee, MA, USA