Backend Engineer
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(Remote — North America, LATAM or Europe) Nango (YC W23) is a developer infrastructure company and the leading provider of API access for agents and apps. It enables AI applications to connect to the real world through integrations. More than 400 paying customers rely on Nango today, including Replit, Ramp, Mercor, Vapi, Instantly, and Exa. We are a YC-backed, multi-million ARR company with a team of 10 from AWS, Snyk, GitHub, Okta, Netlify, Uber, Samsara, and more. We are hiring Senior & Staff Backend Engineers to join the core engineering team building Nango’s platform and developer infrastructure. This is a critical role at the heart of the company: as a product-led business selling to developers, our engineers directly drive the product roadmap, specifications, and execution. You will own core systems end-to-end, from ideation and design to implementation and close collaboration with developer customers, shaping both the platform and how Nango evolves. What You’ll Do Design and scale backend systems, APIs, and services for our open-source platform. Build world-class developer interfaces: APIs, SDKs, UIs, and a runtime that delights developers. Collaborate directly with customers to solve integration challenges. Optimize performance, scalability, and reliability across backend services. Shape the roadmap and company strategy with high ownership of key decisions. Engage with the open-source community, owning and maintaining our repo. Who you are 5+ years (senior-level) or 10+ years (staff-level) of backend engineering experience, with proven ability to scale high-traffic systems. Deep experience with developer infrastructure, APIs, databases, and performance-critical systems. Passion for developer tools, best practices, and building outstanding DX. Comfortable with Node.js and modern backend stacks. Strong communicator, proactive, and reliable in a remote-first environment. Product mindset and developer empathy: you optimize for DX. Pragmatic, positive, and low ego: you step up in incidents and unblock teammates. Startup-ready: autonomous, ownership-driven, and able to navigate ambiguity. Based in North America, LATAM or Europe. If you’re a seasoned backend engineer who loves developer infrastructure, thrives on ownership, and wants to shape the future of integrations — we’d love to hear from you.
- ...satellites. You will primarily be responsible for developing backend software capabilities, but the ideal candidate can contribute... ...and maintenance. Day to day, you will be a part of the engineering team of frontend and backend engineers working in an Agile Scrum...SuggestedPermanent employmentVisa sponsorship
Quindar
Arvada, CO4 days ago - Location - Denver, CO JD: Designs, modifies, develops, writes and implements software programming applications. Supports and/or installs software applications/operating systems. Participates in the testing process through test review and analysis, test witnessing...SuggestedWork at office
Vantage Point Consulting Inc.
Denver, CO5 days ago - ...Job Description Job Description Description: BisectHosting is hiring a Backend Engineer, Multiplayer to build core orchestration systems for game studios running dedicated multiplayer servers. You'll work across server allocation, fleet management, infrastructure...Suggested
BisectHosting Careers
Denver, CO21 days ago $140k - $190k
...Job Description Job Description Wanna join the adventure? Loft Orbital is looking for a Backend Engineer to join our Oort team. Oort is our central web platform—a unified environment that consolidates all infrastructure data and tools, empowering Loft to...SuggestedTemporary workWork at officeRelocation packageFlexible hoursLoft Orbital Solutions
Golden, COa month ago$163k - $246.5k
...Backend Engineer Semgrep, the leader in code security for builders, empowers invention without friction. Teams catch, flag, and fix real issues before they ship, powered by security that learns as they build. Semgrep secures code as it's written and provides guardrails...SuggestedCurrently hiringLocal areaRemote workWeekend work3 days per weekSemgrep, Inc
Denver, CO2 days ago- ...Job Description Job Description Loft Orbital is looking for a Backend Engineer to join our Mission Operations Services (MOS) team. MOS owns the backend services that let Loft operators and customers command, monitor, and automate our satellite fleet through Cockpit...Local area
Loft Orbital Solutions
Golden, CO11 days ago - ...Java Backend EngineerJob Location: Denver, CORequired Skills:Strong experience with Scala back-end API implementationUnderstanding of... ...speak and understand EnglishStrong experience working with DevOps engineers to build and deploy infrastructure with cloud deployment...
United IT
Denver, CO1 day ago - ...Job Title Responsibilities: Develop and maintain backend services using Rust. Design RESTful APIs, GraphQL, or gRPC for scalable microservices. Work with databases (PostgreSQL, MySQL, MongoDB) using Diesel or SQLx. Implement asynchronous programming with Tokio or async...
ClifyX
Denver, CO2 days ago - Vantor seeks a Senior Software Engineer to support the FALCON mission. This role can be performed remotely within the continental United... ...as a location. You will help build mission-focused software, backend services, APIs, and data pipelines, collaborating with data scientists...Remote job
- ...Full Stack Engineer Quindar builds modern software for satellite operations, helping teams operate spacecraft with greater speed, clarity... ...development for U.S. government programs, working across backend and frontend systems while also contributing to Quindar's core...
Quindar
Arvada, CO2 days ago $80k - $130k
Job Title: Full Stack Software Engineer Company: Loenbro, LLC Business Unit/Department: Information Technology (IT) Location: Westminster... ...full-stack production systems end-to-end — spanning frontend, backend, and infrastructure. Experience building LLM-based or AI-...Full timeWork at officeLocal areaRemote work$165k - $225k
...product solutions to elevated brands and creators. About the role... We are seeking a talented and experienced Senior Full Stack Engineer to join our growing team. In this crucial role, you will work directly with our CTO on a variety of full stack projects, including...Flexible hoursGrabJobs
Arvada, CO9 hours ago- ...Vantor is seeking an AI-native Full Stack Software Engineer in Westminster, CO. You will design, develop, test, deploy, and support scalable cloud-native software using Java/Spring Boot, Vue.js, and Python/FastAPI. The role emphasizes AI-assisted development, secure APIs...
Maxar Technologies
Westminster, CO5 days ago $90k - $150k
...Ventures, Left Lane Capital, Wellington Ventures, Flourish Ventures, and Vestigo Ventures. About the role We're looking for a Backend Engineer who wants to build and own critical systems in a fast-moving environment. This role is ideal for someone with strong backend...Remote workHome office- Job Description Job Description We're looking for a Full Stack Developer to join our team at Excel Driver Services. You'll be working across our web application and mobile app. Work includes both the front end and back end, from feature development through deployment...Full time
Excel Driver Services
Wheat Ridge, CO13 days ago - Overview ProTech Los angeles is an Information technology (I.T.) Development, Digital marketing & Consulting Firm specializing in the design and development of quality, innovative information technology solutions for businesses, with professional experience in the areas...
- Excel Driver Services is seeking a hands-on Full Stack Developer for an on-site role. You’ll work across our web application and mobile app, moving features from ideation to deployment, and collaborating daily with a tight-knit dev team to build training technology for ...
- ...Senior Backend Software Developer Join our mission to transform our nation's healthcare system as a Senior Backend Software Developer. In this role you will assist in leading projects from design to delivery. Partner with product managers and designers to define requirements...
Judi Health
Denver, CO4 days ago $160k - $215k
San Francisco or DenverEngineering /Full-Time /HybridAs a Backend Engineer on our application team at Windfall, you will be building the system for ingesting and processing our customer data. It is the “brains” of everything our customers interact with. Communication and...Full time- Liqid Inc. is seeking a senior UI engineer to advance our Vue.js-based interface. You will own features end-to-end, translate UX requirements... ...-end solutions, and work closely with product, design, and backend teams to deliver high-quality user experiences. The role...
$82.1k - $172.4k
Job Title: Full Stack Web Developer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI... ...functional teams to design, develop, and maintain both frontend and backend components of our applications and software. You will be...Full timeContract workWork experience placementFlexible hoursCaci
Denver, CO1 day ago- ...development methodology, attending daily stand-ups, sprint planning, and retrospective meetings. Minimum 2-3 years of software engineering experience Have built mobile apps (and/or web apps) full-stack before Enthusiastic about photo sharing and/or AI and/or...Full time
Cheez
Thornton, CO2 days ago - Liqid is seeking a senior UI engineer to advance our Vue.js-based interface in a fast-moving environment. You’ll own features end-to-end... ..., and collaborate with product managers, designers, and backend engineers to deliver polished, scalable front-end experiences....
$100k - $120k
Fraud warning: It's common for scammers to create positions that look legitimate on other sites. To ensure your submission is considered, only apply for positions at Sensor Tower through our company website or through posts directly associated with Sensor Tower company...Full timeLive inHome officeFlexible hoursSensor Tower
Denver, CO1 day ago$88.4k - $154.7k
...ResponsibilitiesDesign, develop, test, and maintain front-end components for internal and client-facing applicationsCollaborate with software engineers, AI/ML engineers, and product stakeholders to create intuitive user experiencesBuild dashboards, visualizations, and interactive...Full timeInternshipWork at officeFlexible hours- Liqid is seeking a senior UI engineer to evolve and scale our Vue.js-based user interface. You’ll take ownership of features from concept... ...delivery, collaborating with product managers, designers, and backend engineers to build polished, scalable UI experiences. Ideal...
- A consulting firm specializing in IT solutions is seeking a Sr Full Stack Developer to lead and mentor a team of web developers. You will work in a LEMP Stack environment to design and implement new features and site improvements. The ideal candidate should have in-depth...
$84k - $87k
...independently or as part of a team. We apply computer science, engineering, mathematical analysis, and distributed systems principles.... ...REST Security microservices UX UI Design Backend More: We are Trilogy Innovations, a growing systems and...Full timeRemote workTrilogy Innovations
Denver, CO5 days ago- Job Description Byte&Kite is a digital marketing agency helping clients across a range of industries grow through effective digital marketing. As a Web Developer, you will build and maintain marketing websites and landing pages that are fast, responsive, and aligned with...Remote work
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Thornton, CO1 day ago - ...suggest possible next steps to investigate, narrow down possibilities, and quickly root-cause issues. We are seeking experienced engineers who can craft intuitive, fast, and reliable user experiences empowering software engineers to diagnose and resolve incidents with...Full timeRemote workFlexible hours
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