Senior backend software engineer jobs

Senior Backend Software Engineer Job in Boston

Boston, Massachusetts

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Today

Job Description A growing CRM startup company is looking to hire a Senior Backend Software Engineer to help build out and improve their AI driven modern CRM platform. You'll work on their backend work streams, API platform, core data model, and systems that lead the way for new product capabilities. In this role, you'll help build external API platforms, ship new AI-driven capabilities, build new applications in Node, and design data model and system architecture to support their increasingly

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Full-time

$220000 - $250000

Sr Backend Software Engineer

Santa Clara, California

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Today

Sr Backend Software EngineerSanta Clara, CA (Onsite)Note: This is a W2 only role C2C, C2H will not be consideredResponsibilities: Build and maintain backend services for internal engineering applications. Develop APIs connecting front-end applications, databases, and enterprise systems. Create reusable microservices for common capabilities. Integrate enterprise systems, data platforms, monitoring platforms, and other engineering data sources. Develop automation for workflows, data movement

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Contract

45 - 50

Sr Backend Software Developer

Denver, Colorado

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Today

Job Title: Sr Backend Software Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Continental US Anticipated Posting End: 11/28/2026 The Opportunity: CACI is seeking a Senior Backend Software Developer for the GEOINT Tradecraft Suite (GTS), a mission-critical platform delivering advanced geospatial intelligence capabilities to national security

Full-time

USD 108,400.00 - 227,500.00 per year

Senior Backend Software Engineer (Python / API Integrations & AI Agents)

Santa Clara, California

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Today

Job Title: Senior Backend Software Engineer (Python / API Integrations & AI Agents) Santa Clara, CA 12+ Months Contract Position Overview We are looking for a skilled Backend Software Engineer to build and scale robust backend services, microservices, enterprise integrations, and automation workflows. In this role, you will power mission-critical engineering applications (including Mission Control, CAE platforms, and SPT Hub), orchestrating high-volume data movement between enterprise systems

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Full-time, Third Party, Contract

Lead Backend Software Engineer - Python/Kotlin/AWS

Waltham, Massachusetts

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Today

Job Description A rapidly growing technology-driven organization is seeking a Lead Backend Software Engineer to help build and scale mission-critical platforms that support high-volume, real-time production environments. Based in Waltham, MA (Hybrid), this role is ideal for a hands-on technical leader who thrives in fast-paced engineering cultures where production code is deployed and delivered continuously throughout the day. As a Lead Backend Engineer, you will balance technical leadership wi

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Full-time

USD 173,000.00 - 234,000.00 per year

Backend Software Engineer, TypeScript / Node.js

New York, New York

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Today

Build the backend infrastructure powering production AI agents at a growing fintech startup. Own architecture, reliability and scaling with meaningful equity, comprehensive health benefits and direct access to experienced founders. This Jobot Job is hosted by: Sean Pool Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $185,000 - $225,000 per year A bit about us: We're supporting a growing technology company in its search for a Backend Softwa

Full-time

USD 185,000.00 - 225,000.00 per year

Backend Software Engineer III

Charlotte, North Carolina

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Today

Description: Hybrid 3 on in Charlotte, NC Our client is seeking a Backend Software Engineer to join the Corporate Services Innovation team. The engineer will focus on backend development using Python and AWS to design, build, and maintain scalable solutions that automate and improve corporate services and business processes. The role will collaborate with team members and stakeholders to modernize and optimize existing applications and workflows, with occasional contributions to frontend deve

Contract

Backend Software Engineer - Payments and Partnership - Waltham, Ma

Waltham, Massachusetts

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Today

Job Description A rapidly growing technology-focused organization is seeking a Backend Software Engineer to join its Payments & Partnerships engineering team. This role is ideal for an experienced backend developer who enjoys building scalable services, owning features end-to-end, and collaborating with cross-functional teams to deliver business-critical solutions. As part of a modern engineering organization, you will work with contemporary backend technologies, cloud-based platforms, and auto

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Full-time

USD 163,000.00 - 220,000.00 per year

Senior Backend Engineer

Jersey City, New Jersey

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3d ago

Job Summary We are seeking a highly skilled Senior Backend Platform Engineer with strong expertise in building and supporting cloud-native backend platforms. The ideal candidate will be a hands-on engineer who can independently design, develop, deploy, and manage backend services using Kotlin, Spring Boot, Spring Cloud, WebFlux, AWS, and Terraform. This role requires someone who is comfortable working in a fast-paced environment and can quickly contribute with minimal supervision. Key Responsibi

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Contract

$50 - $70

Senior AI Platform Backend Engineer

Missouri

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Today

Strategic Staffing Solutions is currently looking for a Senior AI Platform Backend Engineer, a W2 contract opportunity. This is a W-2 contract opportunity, and candidates must be able to work on our W-2 only. NO C2C or 1099. Senior AI Platform Backend Engineer Employment Type: W2 Only (No C2C or 1099) Duration: 12-month contract with a possibility to extend Location: St. Louis, Missouri Schedule: Hybrid-3 days per week; 1 day must be a Monday and Friday. Interview: first round via Teams, second

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Contract

USD0 - USD0

Senior Back-End Developer

Irving, Texas

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29d ago

Senior Back-End Developer- New York, NY - Contract - W2/C2C - $61-71 Per HRDescription This role involves designing and supporting scalable, secure, and resilient platforms for critical business applications. The position is based in New York, NY, and requires onsite presence. It is a contract role with opportunities to work on cloud architecture and software development, using a variety of modern technology stacks. Key Responsibilities Develop production-quality services and APIs with modern en

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Third Party, Contract

$61 - $71

Senior Backend Engineer — Java / Spring Boot

Hybrid in New York, New York

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10d ago

We are looking for a true senior Java backend engineer with deep Java/Spring Boot experience, strong SQL and Redis knowledge, hands-on AWS/container experience, and the ability to design and explain complex distributed systems. We are seeking a Senior Backend Engineer to join a team building and modernizing highly scalable enterprise applications. This is a hands-on engineering role for someone who enjoys solving complex technical problems, designing reliable backend systems, and working across

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Third Party, Contract

Depends on Experience

Senior Software Engineer

Remote

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14d ago

Job Title: Senior Software Engineer Duration: 6-12+ Months CTH Location: Redwood City, CA (Remote) Position Summary: We are building and operating a unique software stack of cloud infrastructure, software services, APIs, web and mobile interactive interfaces, and AI-driven data analytics pipelines to deliver life-saving results in the highly complex infectious disease landscape. We believe the success of client products is driven by both our unique technology and the elegance of the software

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Contract, Third Party

50 - 60

Senior Backend Software Engineer

Remote or San Francisco, California

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Today

Senior Backend Software Engineer Company Description Swish Analytics is a sports analytics, betting and fantasy startup building the next generation of predictive sports analytics data products. We believe that oddsmaking is a challenge rooted in engineering, mathematics, and sports betting expertise; not intuition. We're looking for team-oriented individuals with an authentic passion for accurate and predictive real-time data who can execute in a fast-paced, creative, and continually-evolving

Full-time

USD 150,000.00 per year

Senior Backend Software Engineer

Remote or San Francisco, California

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Today

Overview Working at Atlassian Atlassians can choose where they work - whether in an office, from home, or a combination of the two. That way, Atlassians have more control over supporting their family, personal goals, and other priorities. We can hire people in any country where we have a legal entity. Responsibilities What You'll Do: Drive large, complex projects autonomously, from technical design to launchTackle complex architecture challenges, apply architectural standards and start using

Full-time

USD 180,000.00 - 235,000.00 per year

Senior Backend Software Engineer

Palo Alto, California

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Today

About Wing: Wing offers drone delivery as a safe, fast, and sustainable solution for last mile logistics. Consumer appetites for on-demand services are increasing, but current delivery methods are inefficient, costly, and contribute to road accidents and air pollution. Wing's fleet of highly automated delivery drones can transport small packages directly from businesses to homes on-demand, in minutes. We design, build, and operate our aircraft, and offer drone delivery services on two continents

Full-time

USD 228,000.00 - 237,000.00 per year

Senior Backend Software Engineer

Boulder, Colorado

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Today

The Role: Due to team growth, we are seeking an experienced Software Engineer to join our Sat OS team, which develops the high-level operating system and file transfer layer for the spacecraft The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the expansion and enhancement of our space and ground-based data transfer capabilities. Ideal candidates will embrace the commercialization of nanosatellite systems and adapt to low-cost, fa

Full-time

USD 130,000.00 - 171,000.00 per year

Senior Backend Software Engineer - IoT Platform

Saratoga, California

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Today

Ready to make connectivity from space universally accessible, secure and actionable? Then you've come to the right place! E-Space is bridging Earth and space to enable hyper-scaled deployments of Internet of Things (IoT) solutions and services. We are building a highly-advanced low Earth orbit (LEO) space system that will fundamentally change the design, economics, manufacturing and service delivery associated with traditional satellite and terrestrial IoT systems. We're intentional, we're una

Full-time

USD 150,000.00 - 225,000.00 per year

Senior Backend Software Engineer

New York, New York

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Today

As a Senior Backend Software Engineer on our Diagnostics team, you'll build the part of Regard that reads a patient's medical chart - labs, medications, vitals, procedures, prior notes, history - and determines which conditions are present, along with the evidence supporting each one. You'll design and develop critical backend services and drive them end-to-end through the full product lifecycle: ideation, planning, design, execution, deployment, and iteration. Our senior engineers are true tec

Full-time

USD 175,000.00 - 230,000.00 per year

Senior Backend Software Engineer

Los Angeles, California

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Today

Who we are In the past, to be a successful restaurateur, you simply had to have a passion for food and a passion for people - but to succeed as a digital restaurateur you also need to have a passion for technology. We believe in the joy of serving others, and that's why we created Otter - to help restaurateurs succeed in online food delivery. Restaurants around the world, both large and small, including Chick-fil-A, Ben & Jerry's, KFC, and Eataly trust our software to power their delivery busine

Full-time

USD 167,000.00 - 230,000.00 per year