Tech jobs

AI Android CAD ChatGPT iOS +3 skills

Senior Backend Engineer at DuckDuckGo, a privacy-focused search engine and browser company. Leads complex projects using Perl, Go, and Node.js to build AI-assisted search features, Duck.ai chat, and data processing pipelines for search relevancy. Remote-first role with 7+ years backend experience required.

Rust Backend Engineer

North AmericaPart-time

Anthropic Developer Experience Gemini GitHub OpenAI +2 skills

Rust Backend Engineer at Svix (YC W21) building high-scale webhook infrastructure for server-to-server communication. Develops performant message delivery systems in Rust, serving customers like Etsy and Brex, with $130k-$180k compensation.

130K – 180K $

LearnTube.ai (backed by Google)

L(

last week

Rust Backend Engineer

APAC

Actix AI AWS CI/CD Docker +30 skills

Rust Backend Engineer building high-performance microservices (800+ req/s, sub-200ms p95) for an AI-powered edtech platform, using Tokio, Axum/Actix, Postgres, MongoDB, Redis, and Kubernetes on AWS/GCP. Owns CI/CD, monitoring, and LLM/vector-search endpoints, shipping features biweekly.

Back End Engineer

APACContract

Accessibility Agentic AI AI Anthropic API +44 skills

Senior FullStack Engineer at WPP building WPP Open, an AI-enabled marketing operating system. Backend-heavy role using TypeScript/Node.js or Python, React, AWS Lambda/Kubernetes, PostgreSQL, DynamoDB, MongoDB, and AI APIs (Anthropic, OpenAI). Owns services end-to-end in a globally distributed team.

Back End Engineer

APACContract

Agentic AI AI Anthropic API AWS +39 skills

Senior TypeScript Engineer at WPP Open, building an AI-enabled marketing operating system. Owns services end-to-end using Node.js, TypeScript, AWS Lambda/Kubernetes, PostgreSQL, DynamoDB, and AI APIs (Anthropic/OpenAI). Hybrid role in Gurugram, India.

Backend Software Engineer, SDK

RemoteNorth America

AI Cloud C++ Distributed Systems .NET +8 skills

Backend Software Engineer on the SDK team at LaunchDarkly, building and maintaining 35+ polyglot SDKs (Go, .NET, Java, Python, Node.js, Ruby) that handle trillions of feature flag evaluations daily. Responsibilities include implementing high-performance, resilient SDK features, contributing to open-source repos, and collaborating across engineering and product teams.

146K – 235K $

Mercury Business Services

MB

last week

Java Software Engineer (Backend)

RemoteMENA

Türkiye

Java Software Engineer (Backend) We are on a mission to help life sciences and healthcare companies focus on what matters to them while we focus on simplifying and removing the friction in shipping. We have a…

Agile API Api Design AWS Azure +27 skills

Mercury Business Services

MB

last week

Senior Java Software Engineer (Backend)

RemoteMENASenior

Türkiye

Senior Java Software Engineer (Backend) We are on a mission to help life sciences and healthcare companies focus on what matters to them while we focus on simplifying and removing the friction in shipping. We have a…

Agile API Api Design AWS Azure +27 skills

Senior Backend Engineer

North AmericaSenior

API AWS Blockchain DevOps Docker +9 skills

Builds scalable backend microservices for Metal's crypto financial infrastructure (Metal Pay wallet and Proton distributed ledger), owns CI/CD pipelines, performance monitoring, and security, and joins the on-call rotation. Core stack: Node.js/Express, SQL, AWS, Docker, Helm, Kubernetes, Terraform; test-driven development with weekly deployments.

Senior/Staff Back-End Engineer: Infrastructure

RemoteNorth AmericaStaff

AI Automation BigQuery ChatGPT CI/CD +22 skills

Senior Back-End Engineer on Helm Health's Infrastructure team, doing platform engineering and DevOps: CI/CD pipelines, GCP cloud infrastructure, Terraform IaC, database operations (PostgreSQL, Redis, BigQuery, Bigtable, Firestore), monitoring/observability, and shared on-call rotation, with HIPAA/SOC 2 compliance duties.

Backend Developer (Volunteer)

Africa

Ghana

Volunteer Backend Engineer who designs and builds RESTful APIs with Fastify and Node.js, integrates PostgreSQL and third-party services, and collaborates with DevOps, frontend, and mobile teams on fintech and healthtech products.

Agile API Api Design Api Documentation Authentication +20 skills

Senior Backend Engineer: Offsite Search Optimisation

RemoteEuropeSenior

Germany

Senior backend engineer building and owning production Python backend services for Constructor's ecommerce search and discovery platform, working with SQL, data-heavy systems, monitoring, and alerting in a fully remote role.

AI Analytics API E-commerce ELT +9 skills

Web Developer (Back-End)

RemoteNorth AmericaFull-time

Accessibility AI API Automation Ccpa +24 skills

Position Description: We are seeking a Web Developer to own the technical health of our marketing website and focus specifically on the back-end. This person will make sure our site is fast, secure, stable, measurable,…

Backend Specialist | Remote LATAM Only

RemoteLATAM

Colombia

We are seeking a highly experienced Backend Specialist with program-level expertise to lead the standardization and governance of backend systems for the Apex platform. This is a critical role with influence across the…

Apex API Authentication C# DevOps +5 skills

Développeur / Développeuse back-end (H/F)

EuropeFull-time

France

Offre collectée par La bonne alternance : Le développeur prend en charge des projets sur-mesure de A à Z : recueil du besoin client, choix de la technologie, développement, mise en ligne et suivi. Missions : création…

CSS E-commerce HTML JavaScript PHP +5 skills

Backend Typescript Developer Team PSS

EuropeContract

Netherlands

Backend TypeScript Developer Team PSS Jij zorgt voor de mobiliteit van Nederland Why you want to work as a Backend Developer at NS - You'll have the unique opportunity to build a backend that serves millions of…

AWS Datadog DevOps TypeScript User Research

Python Backend Developer

RemoteAPAC

AI API AWS Azure Cloud +12 skills

Designs, develops, and deploys scalable Python backend APIs and services for web applications, working with FastAPI/Flask/Django, PostgreSQL/MySQL, Docker, and cloud platforms.