Senior Backend Engineer: Modernize Legacy Apps & AI Tools (Remote)
Xylem
- Remote job
Xylem is seeking a Senior Software Developer to modernize critical business apps, design backend services, and build automation tools that transform large datasets into actionable insights. You’ll work on a legacy PHP/Perl codebase while leading modernization with Python, Go, Java, and other modern languages. Join a global, inclusive team, collaborating across AWS and on‑prem environments. You’ll influence platform reliability, scalability, and automated data workflows in a flexible, hybrid #J-18808-Ljbffr Xylem
$120k - $180k
...team at Outside as a Senior Backend Engineer. In this role, you... ...the very best tools to track, analyze,... ...are proficient with AI agent coding;... ...communicator in a fully remote environment.... ...Experience working with legacy systems. ~... ...the MapMyFitness apps or active user community...Remote workApplicationSeniorFull timeWorldwideFlexible hours- ...Description We’re hiring a Senior Backend Engineer to own meaningful... ...in the Electron app or have a view on a UX... ...comparable depth in another modern web stack. ~... ...~Fluent with the AI tooling that’s reshaping how... ...equity package. ~Fully remote work arrangement....Remote workApplicationSeniorFull time
- ...Description This fully remote role is for a Senior Backend Engineer to help grow... ...analyze and manage app ratings and reviews,... ...) ~Contribute to AI-management technologies... ...~Interaction with legacy services ~Collaborating... ...giving you the tools you need to be successful...Remote workApplicationSeniorFull timeHome office
- ...systems that let any app or AI agent ask... ...connect to us, and the backend that keeps every rule... ...one of our first engineers, shaping the... ..., SDKs, and agent tooling Own the policy backend... ...scale Strong in a modern backend language (... ...City, and the rest remote. Top-tier medical,...Remote workApplicationSeniorFull timeWork at office3 days per week
- ...Role You're a senior engineer who is well... ...including modernising legacy components,... ...experience building backend services and tools within web... ...environment - a remote-first culture with... ...leave Creative, modern workspaces -... ...artificial intelligence (AI) tools to...Remote workApplicationSeniorFlexible hours
$190k - $210k
...FabFitFun is seeking a Senior Product Manager, AI and Internal Tools, to join our Product and Engineering team! FabFitFun... ...warehouse to the app. Location: This role is remote within the USA,... ...~Help rebuild legacy workflows with a... ...calls across the modern AI stack, foundation...Remote workApplicationSeniorFull timeSeasonal workShift work$170k - $190k
...WeightWatchers, our Engineering Team drives... ...headfirst into exciting AI integrations we... ...you will do As a Senior Backend Engineer, you will... ...personalization and tracking tools. Your goal is to... ...platform. 2) Modernize Data and Tracking... ...message, chat apps, or automated...Remote workApplicationSeniorWorldwide- ...guidance, we build tools that helps... ...leans on a small backend team, and the... ...We’re hiring a Senior Backend Engineer to own meaningful... ...the Electron app or have a view... ...depth in another modern web stack with... ...Fluent with the AI tooling that’s... ...package. Fully remote work arrangement...Remote workApplicationSenior
- ...tens of thousands of apps, hundreds of... ...digital assets. As a Senior Backend Engineer, you’ll work on... ...developer-facing tools, or internal systems... ...The stack includes modern backend... ...communication skills in a remote setting ~Comfortable using AI tools as part of development...Remote workApplicationSeniorFull timeWorldwide
$170k - $190k
# Remote Senior Backend Engineer### Job summaryFremont### Work modelHybrid2... ...headfirst into exciting AI integrations we lead... ...and tracking tools. Your goal is to ensure... ...the platform.#### 2) Modernize Data and Tracking Foundations... ...text message, chat apps, or automated email-...Remote jobApplicationSeniorFull timeWorldwide- ...About Attain Klover’s engineering team powers one of... ...to financial tools, rewards, and services... ...colleagues across backend, frontend, data... ...opportunity to work with modern technologies and... ...in-office; 1 day remote You’ll be a great... ...and develop using AI tools You’ve been...Remote workApplicationSeniorWork at office
- ...Description We're seeking a Senior Backend Engineer to help build and... ...that powers our AI-driven voice technology... ...and microservices using modern backend frameworks.... ...Experience with CI/CD tools, monitoring systems, and... ...communication. ~Fully remote role with flexibility...Remote workApplicationSeniorPermanent employmentFull timeWorldwide
- ...on core systems across backend, frontend,... ...frontend and backend. ~Engineering Excellence: Implement... ...maintainability, using modern tools such as Claude Code.... ...depending on the area. ~AI-supported Productivity... ...Benefits ~100% remote option, or work from our...Remote workApplicationSeniorFull timeWork at office
- ...join our experienced engineers and leaders!... ...~Build and ship backend services as part of... ...architecture, with AI agents and LLM-powered... ...write MCP servers and tool interfaces that let... ...art technology. No legacy code. No technological... .... A real team. ~Remote work opportunity....Remote workApplicationSeniorFull timeWork at officeFlexible hours
$172k - $203k
Role Description As a Senior Backend Engineer on the App Systems team, you'll be a high-ownership... ...opportunity — implementing AI-first development practices... .... This position is fully remote and can be based in the US... ...first coding practices and tooling to reduce cognitive load,...Remote workApplicationSeniorFull timeWork from homeFlexible hours- ...about decades old legacy code. A willingness... ...mobile internet backends for millions of users... ...analysis/design engineering functions ~Advanced... ...proficiency in modern behavior-driven... ...Benefits ~Sporty is a remote first company in... ...of our team (AI is not used in our...Remote workApplicationSeniorFull timeLocal area
- Role Description As a Senior Backend Engineer on our Detection team,... ...hCaptcha application tools and services that detect... ...sales teams. Using AI: Coding agents are indisputably... ...Benefits ~Fully remote position with flexible... ...world. ~Pleasant, modern development and...Remote workApplicationSeniorFull timeFlexible hours
- ...We are looking for a Senior Backend Engineer to build Dwelly’s internal... ...that connects to legacy CRMs, extracts and validates... ...or internal tools. ~Production experience... ...Practical experience using AI coding tools and/or... ...Compensation & Benefits ~Fully remote role. ~Competitive...Remote workApplicationSeniorFull time
$140k - $160k
Role Description As a Senior Backend Engineer on the Booking Engine squad, you'll... ...oriented architecture using modern SaaS and AWS technologies... ...~Experience working with AI coding tools like Claude Code ~Experience working with a remote-first, globally distributed...Remote workApplicationSeniorFull timeWork at officeLocal areaWork from homeWorldwideHome officeWeekend work$175k - $185k
...an experienced Senior Software Engineer fluent in both... ...see in the app. In this role... ...design and build backend services that... ...internal tooling APIs: Build and... ...working in a fully remote engineering... ...Experience leveraging AI-assisted... ...and modern work schedules...Remote workApplicationSeniorFull timeFlexible hours- ...Job Title: Senior Enterprise Architect... ...Application Modernization & Cloud... ...Onsite, 2 Days Remote) Agency:... ...partnering with engineering teams to... ...modernization paths for legacy applications:... ...(AI, observability... ..., automation tools). 4. Application... ...and mobile apps),...Remote workApplicationSenior
$140k - $150k
...Warranty Services is hiring a Senior Backend Engineer to help design, build, and scale modern enterprise systems... ...practices in a fully remote environment. What You... ...Services, JSON APIs ~Tools may include Git-based... ...Practical experience using AI coding assistants (...Remote workApplicationSeniorFull timeWork at office$164.49k - $197.39k
...Description This is a remote position in US and Canada... .... Our dedicated backend development team works... ...first approach and our engineering team is primarily remote... ...productivity. You can use modern AI coding assistants as... ...(your choice of tools, within security guidelines...Remote workApplicationSeniorFull timeLocal area$121.5k - $145.5k
...Description This is a remote position;... ...Sr. Software Engineer in the North America... ...on building AI Platform to... ...servers, and AI tools engineered for... ...oriented code in our backend services. ~... ...with other senior engineers. ~... ..., and adapt to legacy systems’ constraints...Remote workApplicationSeniorFull timeFlexible hours- Role Description As a Senior Backend Engineer at Akkio, you will play... ...that powers our AI-driven data analytics... ...GCP, and/or Azure) and modern DevOps practices. ~... ...visualization and analytics tools. ~Experience with... ...Information ~Location: Remote-first company with no...Remote workApplicationSeniorFull timeWork at office
- ...Senior Backend Engineer At Fresha, we believe AI is a force multiplier for feature delivery, not just a coding assistant... ...every engineer with top-tier tooling (Claude, GitHub Copilot, Cursor)... ..., GraphQL, TypeScript, gRPC) and modern messaging systems (Kafka). Operate...Remote workApplicationSenior
- ...About Remote Remote is solving modern organisations’ biggest challenge – navigating... ...built Automation and AI capabilities into the requirements... ...ll be joining a team of engineers across Frontend, Backend, SRE and QA. We’re... ...be working on building tools, APIs and integrations...Remote workApplicationSeniorLocal areaImmediate startHome officeFlexible hours
- ...consulting firm is seeking hands-on Python engineers for a part-time role focused on... ...years of Python experience, particularly in backend or tools development. Ideal candidates should have... ...conditions while contributing to cutting-edge AI projects with competitive pay rates. #J-...Remote workSeniorPart timeFlexible hours
- ...Docker, we make app development... ...what matters. Our remote-first team spans... ...is the #1 tool for building, sharing... ...ride! Docker’s AI Tools &... ...looking for a Senior Software Engineer who thrives at... ...Required 4+ years of backend engineering experience... ...Proficiency in modern programming...Remote workApplicationSeniorHome office
- ...Backend Engineer Novellia is the first and only company that lets anyone... ...systems, with strong experience in modern backend technologies and... ...robust backend services and AI-powered features that process... ...best practices, emerging AI tools, and trends in healthcare interoperability...Remote workApplicationSeniorFlexible hours
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