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Results for "back-end"

13 gigs found around $100 across all platforms

AllDesign & CreativeDesign & Creative87Development & TechDevelopment & Tech513Writing & ContentWriting & Content19Marketing & SEOMarketing & SEO121Business & ConsultingBusiness & Consulting251Video & AnimationVideo & Animation4Music & AudioMusic & Audio5
HimalayasView price

Staff Engineer (AI-Native) (Full time contractor)

Overview: We are looking for a Staff Engineer in LATAM to join the engineering team! In this role, you will set technical direction across both front-end and back-end systems, helping shape the architecture, performance, reliability, and user experience of our learning platform. You will provide hands-on technical leadership across squads, partner closely with Product and Design, and drive the development of scalable, secure-by-default, AI-powered customer experiences. This is a high-impact role for an engineer who can move fluidly across the stack, from high-traffic user interfaces to high-scale services, while mentoring engineers and raising the technical bar across the organization. About Nerdy : At Nerdy (NYSE: NRDY) - the company behind Varsity Tutors - we’re redrawing the blueprint of learning. Our Live + AI™ platform fuses real-time human expertise with proprietary generative-AI systems, setting a new bar for measurable academic impact at global scale. We recruit the kind of te

DeveloperEngineeringSoftware Engineering
Colombia
1 day ago
HimalayasView price

Senior Software Developer

You’ll join the Xplor Pay .NET Team which provides a full stack payment processing and acquiring platform to integrators, partners, and merchants. Whether small and independent or large franchises, we build services that customers can rely on. You will be involved in the entire software development lifecycle, working with Product Owners, Business Analysts and others to help deliver and support our Merchant Onboarding system, Partner Portal, and Supporting APIs. The following duties are normal for this position. This list is not to be construed as exclusive or all inclusive. Other duties may be required and assigned. Hands on problem-solving attitude with the ability to generate ideas/solutions and adapt and learn new technologies on the job. Build an innovative product with Microsoft technologies, from back-end to front-end. Write clean, testable, and well-documented code. Refactor existing code, write unit tests and review other teammates' code. Diagnose problems and defects by colle

Software Engineering.NET DevelopmentPayment Processing
United States
HimalayasView price

Senior TypeScript/Vue.js Developer (Swedish Ad Platform)

Define and lead front-end architecture strategy using Vue 3 with TypeScript, focusing on modularity, scalability, and performance Collaborate with the Platform Team to design, document, and enforce API contracts optimized for low-latency AdTech requirements Participate in system design to align front-end requirements with back-end architecture, supporting complex UI states and asynchronous data flows Partner with DevOps to deploy and scale front-end solutions in AWS, ensuring smooth integration within a microservices ecosystem Mentor and guide engineering teams, promoting an API-first mindset and rigorous TypeScript usage At least 7 years of hands-on experience in JavaScript and modern front-end development Strong expertise in Vue.js and TypeScript, including deep knowledge of Vue 3 Composition API Proven ability to collaborate with back-end/platform teams to design robust API contracts and manage complex data orchestration Experience deploying and scaling front-end applications in AW

Frontend DevelopmentSenior Software EngineerVue.Js Development
Romania
HimalayasView price

Senior Full Stack Developer

Job Title: Senior Full Stack Developer Position Type: Full-Time, Remote Working Hours: U.S. client business hours (with flexibility for sprint cycles, deployments, and urgent fixes) About the Role: Our client is seeking a Senior Full Stack Developer to design, develop, and maintain scalable web applications from front-end interfaces through back-end services and databases. This role is hands-on with code while also providing architectural guidance and mentoring junior developers. The Senior Full Stack Developer ensures products are fast, reliable, user-friendly, and maintainable while supporting growth and innovation. Responsibilities: Front-End Development: Build modern, responsive UIs using React, Angular, or Vue. Implement state management (Redux, Vuex, or Context API). Ensure accessibility and cross-browser/device compatibility. Back-End Development: Develop APIs and business logic in Node.js, Python (Django/Flask/FastAPI), or Java/Spring. Design RESTful or GraphQL endpoints for c

Frontend DevelopmentBackend DevelopmentSoftware Engineering
Brazil
HimalayasView price

Manual QA Engineer (Web & API)

About Infiterra Join our mission to grow and transform the subscription economy by simplifying subscription service delivery. Infiterra enables IT distributors, Managed Service Providers (MSPs), and telcos to succeed in the subscription economy. Our subscription commerce platform automates and unifies subscription workflows - from quote to bill- driving operational efficiency, billing accuracy, and scalable growth. Recognized as a global leader in subscription commerce, Infiterra combines innovation, performance excellence, and trusted expertise to help partners transform and grow. Role Overview We are looking for a meticulous and technically-minded Manual QA Engineer with at least 3 years of experience to join our team. In this role, you will be the final gatekeeper of quality, responsible for validating our front-end web applications and back-end services. You will work as an embedded member of our Scrum teams , ensuring the "Definition of Done" is met for every story. Your mission

DeveloperQA Manual TesterManual QA Tester
Greece
HimalayasView price

Ruby Developer Inter

We are looking for a skilled and passionate Ruby Developer to join our development team. You will be responsible for designing, building, and maintaining efficient, reusable, and reliable Ruby code. Your work will directly contribute to the success of our web applications and platforms. Freelancer Prox is the first platform to provide a fully cost-free experience for both recruiters and job seekers. By creating a professional profile, candidates can enhance their global visibility and significantly increase their chances of being hired quickly for both remote and on-site positions. We encourage professionals to establish their profiles today to maximize opportunities for immediate and worldwide employment. Key Responsibilities Design, develop, and maintain robust Ruby applications Build APIs and back-end components for web and mobile applications Optimize applications for performance, scalability, and security Integrate data storage solutions (SQL and NoSQL databases) Participate in a

Backend DevelopmentRuby on Rails DevelopmentWeb Development
United Kingdom
HimalayasView price

Senior Full Stack Software Engineer - (Product & Infrastructure)

Senior Full Stack Software Engineer to design, build, and maintain web applications and infrastructure. Requires deep technical expertise across front-end and back-end development, cloud deployments, and system scalability. Requirements Front-end development: Build responsive interfaces using React, Angular, or Vue. Back-end development: Develop RESTful and GraphQL APIs with Node.js, Python, or Java. Infrastructure & Cloud: Deploy and manage applications on AWS, GCP, or Azure. Testing & Quality: Write unit, integration, and end-to-end tests using Jest, Mocha, PyTest, or Cypress. Monitoring & Security: Monitor systems with Datadog, New Relic, Prometheus, or Grafana. Originally posted on Himalayas

Senior Fullstack Software Development EngineerSenior Full Stack Engineer (React Node.Js)Senior Full Stack Engineer (Java + DevOps)
India
HimalayasView price

Senior Full Stack Software Engineer

Our client is seeking a Senior Full Stack Engineer to design, build, and maintain web applications and the infrastructure that powers them. This role requires deep technical expertise across front-end and back-end development, cloud deployments, and system scalability. Requirements 5+ years professional full stack development experience Proficiency with JavaScript/TypeScript (React, Node.js) Experience with relational (Postgres, MySQL) and NoSQL (MongoDB) databases Cloud deployment experience on AWS, GCP, or Azure Strong Git workflow and CI/CD knowledge Benefits Health insurance Retirement plan Paid time off Stock options Originally posted on Himalayas

DeveloperSenior Fullstack Software EngineerSenior Full Stack Engineer
Mexico
10 days ago
HimalayasView price

Full-Stack Engineer (Node.js, React, AI/LLM)

About Censia This is an opportunity to join a rapidly growing startup with an incredible foundation and huge ambitions. Censia is an AI-powered Talent Intelligence Platform that organizes talent data, enabling enterprises to make unbiased, predictive, and intelligent decisions about talent acquisition and talent management. Our solutions extend across the entire talent lifecycle, shifting the focus from manual, error-prone processes to automated, predictive intelligence. We believe there is a better way to make talent decisions and that AI will disrupt all aspects of Human Capital. Come join us and be part of the next generation of Talent Intelligence. Role Overview We are seeking a versatile Full-Stack Engineer with expertise in Node.js, React, and experience in AI and Large Language Models (LLMs). This role involves developing scalable applications that enhance our talent intelligence platform, contributing to both front-end and back-end development, and integrating AI-driven featur

EngineeringSoftware EngineeringBackend Development
Remote
HimalayasView price

JavaScript Technical Interviewer

Intetics Inc. is a leading American technology company providing custom software application development, distributed professional teams creation, software product quality assessment, and “all-things-digital” solutions, is looking for Technical Interviewers. Responsibilities: Conduct technical interviews for JavaScript developer roles to evaluate candidates’ proficiency in JavaScript, including both front-end frameworks (like React, Angular, Vue.js) and back-end technologies (such as Node.js). Collaborate with the recruitment team to develop and refine interview questions that are both challenging and reflective of current industry standards and job requirements. Provide detailed feedback and assessments to the hiring managers to help make informed decisions in the recruitment process. Keep up-to-date with the latest JavaScript technologies and frameworks to ensure assessments are relevant and comprehensive. Requirements Extensive experience in JavaScript development, with a strong gr

Technical InterviewingIT RecruitingWeb Development
Ukraine
HimalayasView price

Back-end Engineer

Mercor connects elite creative and technical talent with leading AI research labs. The company is headquartered in San Francisco and has investors including Benchmark, General Catalyst, Peter Thiel, Adam D'Angelo, Larry Summers, and Jack Dorsey. They are looking for a Back-end Engineer to develop and maintain complex Python systems for real-world environments, design modular codebases, and optimize performance. The role requires a proven track record of building complex Python systems, a deep understanding of Python language fundamentals, and experience designing modular codebases with modern Python tooling. Requirements Proven track record of building and maintaining complex Python systems. Deep understanding of Python language fundamentals, including decorators, generators, async/await, and context managers. Experience designing modular, testable codebases with modern Python tooling. Benefits Hourly contractor Originally posted on Himalayas

DeveloperBackend EngineerBackend Software Engineer
Netherlands
HimalayasView price

Back-end Engineer

About doola doola is a dynamic company committed to simplifying the complexities of business formation, payment setup, compliance, taxes, and more. We empower entrepreneurs and businesses of all sizes to navigate the intricate landscape of financial and regulatory requirements with ease, allowing them to focus on what truly matters - building and growing their ventures. About the Role Do you remember the excitement of building your first backend service that just worked — processing data, connecting systems, and powering real applications? We want to give our customers that same seamless feeling when they start and run their business with doola . We’re building the infrastructure that allows business owners to launch their company effortlessly, keep it compliant, and manage operations without friction. The services and tools exist; now we need a skilled backend engineer to help us bring it all together into scalable, secure, and maintainable systems. At doola , you’ll play a critical

Backend EngineeringSoftware EngineeringBackend Development
Bulgaria, Czechia, Estonia, Hungary, Latvia, Philippines, Poland, Romania, Serbia
HimalayasView price

Senior Product Engineer (Remote Opportunity)

Hyatt seeks a Senior Product Engineer to join their Digital Sales & Events team. The role involves designing and delivering scalable, maintainable, and high-performing digital solutions for Hyatt 's global platforms. The ideal candidate should have deep technical expertise, strong problem-solving skills, and the ability to influence technical direction across multiple teams. Requirements 5+ years of professional experience in software engineering, architecture, and technical operations 2+ years of experience leading small project teams (2–5 engineers) in an Agile environment Proven ability to design, build, and deploy scalable, reliable, and secure applications Hands-on experience with front-end and back-end development using modern frameworks Strong proficiency in Java, JavaScript, and associated frameworks Benefits Annual allotment of free hotel stays at Hyatt hotels globally Flexible work schedule Work-life benefits including wellbeing initiatives Paid Time Off, Medical, Dental

DeveloperSenior Product EngineerProduct Software Engineer
United States
2 days ago
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