Tech jobs — page 47 · freehire

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Senior Full Stack Developer

On-siteNorth AmericaFull-timeSenior

Senior Full Stack Developer at Scout Motors (maker of electric SUVs and trucks) in Charlotte, NC, leading design and hands-on development of real-time manufacturing and operational web applications across the full stack using React, TypeScript, C#/.NET Core, SignalR, Redis, PostgreSQL, and AWS. On-site 4-5 days per week; $140k-$170k base plus bonus.

Accessibility Agile API Api Security Authentication +30 skills

140K – 170K $

Zero Impact Solutions

Technical Program Manager - EV Charging Platform OCPP & NET Core

North AmericaContract

WHO WE ARE: We are an end-to-end Renewable Energy provider. We offer products to commercial and enterprise clients in EV Charging solutions, Fleet Electrification, Solar Micro-grids, Energy storage, Hydroponic farming…

Acceptance Criteria API AWS Azure Cloud +23 skills

Mid-Level Full Stack Software Developer, React & Python

North AmericaFull-timeMiddle

Mid-level full-stack developer at Webcreek, on-site in Houston, TX, splitting work roughly 60% React frontend (MUI, Redux, real-time dashboards, charting) and 40% Python backend with REST APIs and SQL relational databases. Requires 3+ years of experience and includes automated testing and performance optimization.

Agile API AWS CSS Cypress +21 skills

Sviluppatore App Mobile - Full Remote & UX avanzato

Humans.Tech, con sedi in Italia, cerca sviluppatori mobili per guidare lo sviluppo di applicazioni innovative. Erogano soluzioni native (iOS/Android) e Flutter, con enfasi su architetture scalabili, performance,…

Android API Design Patterns Flutter Git +8 skills

Sviluppatore Front-End Senior AI-First | Full Remote

RemoteEuropeSenior

Humans.Tech cerca un frontend Engineer senior con forte esperienza in React 18+, TypeScript e moderne pratiche di CSS. Il ruolo, fortemente orientato all’AI-first design, prevede sviluppo di interfacce complesse,…

AI API CSS Git Machine Learning +4 skills

CrustLab Sp. z o. o.

Backend Developer (with DevOps mindset)

Backend developer at CrustLab, an iGaming softwarehouse in Krakow, building real-time backend platforms for betting, casino, lottery and blockchain/finance clients. Day-to-day: Node.js/TypeScript services using REST, gRPC, WebSockets and message queues, plus hands-on DevOps work (CI/CD, Terraform, Kubernetes, cloud).

AI API AWS Azure Blockchain +25 skills

Popai Health- Full Stack Developer

Open 48d On-siteMENA

Full Stack Developer at Popai Health (a Team8 company) building end-to-end features for an AI healthcare platform that turns patient interactions into care actions. Day-to-day spans React frontends and a Chrome extension, Node.js/TypeScript microservices, PostgreSQL/Redis data layers, event-driven NATS systems, and LangChain/LangGraph-powered AI integrations.

AI CI/CD Cloud DevOps Distributed Systems +9 skills

Full Stack SW Engineer

North AmericaMiddle

Senior full-stack engineer in Toronto building scalable web applications end to end: performant React/Next.js frontends, Node.js/TypeScript backends, API layers, data models, observability, and CI/CD pipelines. Also drives architecture decisions and mentors junior engineers.

Accessibility API Argo CD Automation CI/CD +40 skills

8aa00506340e13e401341082907841c7

Senior Software Development Engineer in Test

RemoteContractSenior

Remote contract Senior SDET at Vervint: write and maintain end-to-end automated tests for React Native mobile apps using Detox and Jest, run them reliably in CI (Bitrise/Bitbucket), cover visual regression and connected-device (Bluetooth/WebSocket) flows, and mentor QA teammates on automation.

Accessibility Agile Android Appium Automation +16 skills

Senior/Staff Full-Stack Engineer, Simulation Platform

Open 132d North AmericaStaff H-1B sponsor history

Builds a web-based 'Engineering Command Center' simulation platform for Gatik's autonomous truck fleet: a React/TypeScript UI with Three.js/WebGL 3D rendering of simulations and sensor data, backed by Node.js/Go/Python REST & WebSocket APIs, PostgreSQL/Redis, Grafana/Prometheus monitoring, and Docker/Kubernetes on Azure. Onsite 5 days/week in Santa Clara, CA.

AI API Api Design Azure Cloud +19 skills

170K – 240K $

Senior Software Engineer, Backend (Cluj)

Open 135d HybridEuropeFull-timeSenior

Build and improve Cresta’s AI-powered customer-experience platform, focusing on scalable backend services handling real-time streaming data and low-latency APIs.

Agentic AI AI API AWS Azure +7 skills

dgtl technologies pte. ltd.

Senior Software Engineer (Java)

APACContractSenior

We are seeking a Senior Java Engineer to join the team building our real-time market data platform. You will build, optimize, and maintain a high-performance, low-latency system that ingests, normalizes, and computes…

API AWS Cloud Design Patterns DevOps +7 skills

Manual QA (Backend)

Manual QA Engineer focused on backend testing for a live-streaming and social networking product. Day to day: testing REST APIs and WebSocket flows with Postman/Swagger/curl, validating data in MongoDB, running smoke/regression and A/B/monetization tests, writing test docs in Qase/Jira, and investigating bugs via Grafana logs and metrics.

Analytics API Automation BigQuery Confluence +15 skills

Full Stack Developer, PHP React Python, Fintech, Hybrid, Limassol, Cyprus

HybridEuropeContractLead

Full stack developer at a fintech running an AI-powered gold trading algorithm on MetaTrader 5: build React web apps, PHP/Python backend services and REST APIs, MySQL/MariaDB databases, and MT5 integrations, on Linux/AWS with Git, Docker and CI/CD. Hybrid from Limassol or Nicosia, Cyprus; full-time or contractor.

AI API Automation AWS CI/CD +16 skills

Adecco Portugal

AI Software Developer-Java

Designs, develops, and maintains AI-based services (LLM apps with RAG, tool calling, agentic systems) in Java/Spring Boot for a leading Italian cloud, data-center, and digital services company recruited via Adecco, supporting business teams in integrating these services into scalable architectures.

AI API API Gateway Apigee AutoGen +32 skills

46K – 48K €

Middle PHP Developer (CRM / CPA / Integrations)

Middle PHP developer to maintain and extend a performance-marketing company's own CPA platform, CRM/ERP for call centers, and media-buying tools. Works with a custom modular PHP framework, MariaDB with raw SQL, Redis/Memcached, jQuery, PHPUnit, and Node.js/WebSocket services; fully remote, 10:00–18:00 Kyiv time.

API CRM E-commerce ERP Git +15 skills

PHP Tech Lead / Software Architect (hands-on)

Hands-on tech lead / software architect at a product company in performance marketing & e-commerce: takes over an existing custom PHP CPA platform, CRM/ERP and media-buying tools, leads a small team, and plans gradual CRM modernization. Stack: PHP 7.4–8.5 (custom modular framework), MariaDB raw SQL, Redis/Memcached, Node.js/WebSocket services, Debian/nginx, Cloudflare.

API CI/CD Cloudflare CRM Debian +26 skills

高级/资深前端开发工程师（酒店研发）

工作职责：负责携程酒店业务研发工作，保证多平台兼容性，善用 AI Coding 工具高质量交付业务结果。负责前端技术方案选型、架构设计，针对技术难点做技术攻坚；持续提升项目的质量、性能与架构合理性，并落地相关优化工作。参与前端技术体系建设，沉淀公共组件、工具和文档；参与团队 AI 提效建设（Prompt、Skills、MCP 工具的沉淀与共享，自动化测试与 Code Review 等）。探索 AI…

AI Claude Code JavaScript LLM MCP +6 skills

Job Tether Operations Limited

Mobile Engineer - React Native (100% Remote)

RemoteAPAC, CIS, Europe

Develops and maintains Keet Mobile, Tether's peer-to-peer chat and calling app for iOS and Android, owning features end to end — from React Native UI to integrating the device-side P2P core, native platform capabilities, and performance optimization. Core stack: React Native, Expo, Redux/Redux-Saga, JavaScript, and a custom Bare JS runtime.

AI Android API Blockchain Fintech +10 skills

Job Tether Operations Limited

Mobile Engineer - React Native (100% Remote) - Worldwide

Develops and maintains Keet Mobile, Tether's peer-to-peer chat and calling app for iOS and Android, built with React Native and Expo on top of a custom P2P JavaScript runtime. Day to day: shipping chat/call/media features, integrating native platform APIs, optimizing device performance, and writing tests while working fully remote worldwide.

AI Android API Blockchain Fintech +10 skills