The ultimate guide to hiring a web developer in 2021
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
AWS Lambda is a serverless computing platform that allows you to write, test, deploy and manage code without the complexity of having to manage and maintain underlying server infrastructure. An AWS Lambda developer will have the ability to write, monitor and control code for different aspects of cloud-based applications and services. With an expert AWS Lambda Developer on your side, you can quickly create, test and deploy powerful applications that are capable of doing various complex tasks in a fraction of the normal time.
Here's some projects that our expert AWS Lambda Developer made real:
At Freelancer.com, our network of highly skilled and experienced AWS Lambda Developers can help you from application development through operational maintenance. Whatever goals or needs your project has, our experts have the skills and technical expertise to deliver the results you require. By hiring an AWS Lambda Developer via Freelancer.com, you can benefit from customised applications at a fraction of the cost. So what are you waiting for? Post your project today on Freelancer.com to access the high quality work our AWS Lambda Developers can offer and make your project come alive!
Von 39,232 Bewertungen, bewerten Kunden unsere AWS Lambda Developers 4.9 von 5 Sternen.AWS Lambda is a serverless computing platform that allows you to write, test, deploy and manage code without the complexity of having to manage and maintain underlying server infrastructure. An AWS Lambda developer will have the ability to write, monitor and control code for different aspects of cloud-based applications and services. With an expert AWS Lambda Developer on your side, you can quickly create, test and deploy powerful applications that are capable of doing various complex tasks in a fraction of the normal time.
Here's some projects that our expert AWS Lambda Developer made real:
At Freelancer.com, our network of highly skilled and experienced AWS Lambda Developers can help you from application development through operational maintenance. Whatever goals or needs your project has, our experts have the skills and technical expertise to deliver the results you require. By hiring an AWS Lambda Developer via Freelancer.com, you can benefit from customised applications at a fraction of the cost. So what are you waiting for? Post your project today on Freelancer.com to access the high quality work our AWS Lambda Developers can offer and make your project come alive!
Von 39,232 Bewertungen, bewerten Kunden unsere AWS Lambda Developers 4.9 von 5 Sternen.I need an experienced AWS engineer to help restore a production website hosted on EC2 without losing any data. Background • I have an existing AWS account with EC2 instances and an EBS root volume that contains all site data • The original EC2 instance was stopped, and the root EBS volume was detached • I do NOT have the original SSH PEM key • AWS temporarily restricted my account due to a leaked IAM access key (now resolved with AWS Support) • A snapshot of the original root volume has already been created • The goal is to bring the site back exactly as it was What I need done • Launch a new temporary EC2 instance (once AWS removes the restriction) • Attach the existing EBS volume (or snapshot-created volume) • Mount the volume and verify da...
I’m preparing a private-beta, mobile-first web app designed for short, real-time conversational interactions using voice and text. The front end is largely in place; I’m looking for an experienced backend developer to help build a reliable, low-latency, serverless backend on AWS. The backend will support: Event-driven AWS Lambda functions behind API Gateway Ingestion of voice and text input, with integration to a third-party language processing API Session-based conversation handling with automatic expiration Structured, predictable responses returned to the client Privacy-conscious logging suitable for debugging and iteration Internationalisation-ready payloads (UTF-8, language metadata, no hard-coded strings) This is not a massive-scale system; the emphasis is on reli...
I already hold an active AWS account and now need a specialist to turn on Amazon SES, fully verify the account confirm account is setup correctly fix any errors with account setup, and secure an initial sending quota of around 50,000 emails per day for pure marketing campaigns. Here’s what I expect: • Complete identity, domain, and DKIM verification so the account leaves sandbox. • Preparation and submission of the SES limit-increase request with the right justifications for marketing use. • Clear guidance on any warm-up or compliance steps I should follow once the higher quota is approved. Once finished, the console should show production access enabled and the daily sending limit set to roughly 50K. If you have a track record obtaining higher SES limits, ...
My team runs all of our workloads on EC2 and S3 and I want a seasoned AWS engineer to give our current set-up a health check, shore up security, and boost overall performance. The immediate priorities are: • Configuration review – walk through every EC2 instance, S3 bucket, IAM policy and networking rule, calling out weaknesses in security settings and opportunities for performance optimization. • Backup database build – spin up a separate RDS instance that every developer can connect to, then put a clear, manual promotion workflow in place so we can push approved data to production only when we decide. • Hands-on knowledge transfer – my staff are beginners, so I need short, practical training sessions that show them exactly how to navigate the AWS con...
I’m looking for a Data Engineer with strong AWS native services experience to help build and support an event-driven data platform. This project focuses on automated batch data pipelines, data governance, and making data available in a secure and scalable way. This is not ad-hoc ETL — it’s a platform-style setup. Tech stack involved: • AWS: S3, SQS, Lambda, MWAA (Airflow), EMR Serverless • Data Processing: PySpark, Apache Spark • Data Lake: Apache Iceberg, AWS Glue Catalog • Governance & Security: Lake Formation, IAM, KMS • Querying: Amazon Athena
I’ve finished building a MERN-stack web application and now need it running smoothly in the AWS cloud. I don’t have any of the cloud pieces in place yet, so I’m looking for someone who can handle the full environment setup—from account configuration right through to production release. Here’s what I expect: • Containerise the existing React front-end and Node/Express back-end, then push the images to ECR. • Create an ECS (Elastic Container Service) cluster with tasks and services that scale cleanly. • Wire up networking: VPC, subnets, security groups, an application load balancer and HTTPS via ACM. • Automate deployment (GitHub Actions or similar) so each commit flows through to ECS with zero-downtime. • Store environment var...
Technical Specification: Serverless AI-Enhanced ESG Platform 1. Project Overview A multi-tenant, serverless SaaS platform for ESG (Environmental, Social, and Governance) reporting and verification. The platform allows companies to upload sustainability guides and data, which an AI then analyzes to provide verified commentary for bankers and regulators. 2. Core Pillars (Non-Negotiable) Pillar 1: AI RAG Engine (Verification Logic) Dynamic Context Switching: The AI must switch context based on the selected Guide (e.g., NoS-F, GRI 11). Logic must use metadata filtering (e.g., guide_id) to prevent "sticky" context. Evidence Vault (Citations): Every AI-generated claim must include a source citation (Document Name + Page Number). LLM: AWS Bedrock (Claude 3.5 Sonnet). Pillar 2: C...
I already have an OLX-style marketplace ready to go, built with React / on the front-end and Node.js / Express on the back-end. The codebase lives in a private repository and contains no production data, so this engagement is a fresh deployment rather than a migration. What I need is a clean, secure, production-ready rollout on AWS within 5–7 days. My preference is to run the application on EC2, connect it to a brand-new MySQL database on Amazon RDS, store images and videos in S3, and distribute static assets through CloudFront. Environment variables, IAM roles, security groups, HTTPS (ACM), and basic monitoring must follow AWS best practices. Deliverables I will use to sign off: • EC2 instances (ideally in an auto-scaling group) reachable via my domain behind an Applicatio...
We need serious freelancers with references We dont pay fees to start We pay after completion of each milestone Please contact only if you can comply Cahier des Charges Application de Suivi et Expédition de Colis Inter-Villes Net And Prosystems SARL CEO: Martin Luther Eteme Eteme Table des matières 1. Introduction & Objectifs 2. Périmètre du projet 3. Rôles & Acteurs 4. Parcours Utilisateurs 5. Fonctionnalités principales 6. Statuts & Notifications 7. Données & Modèle technique 8. Flux opérationnel 9. Tarification & Paiements 10. Gestion des Exceptions & Pénalités 11. Sécurité & Conformité 12. Roadmap de Développement 13. Annexes 1. Introdu...
I am looking for a highly skilled Senior Engineer to join our team as a contractor to help maintain and evolve our search infrastructure. You will be responsible for a sophisticated search system that integrates OpenSearch with Large Language Models (LLMs) and AWS Lambda. Start your cover letter by highlighting your proudest work achievements right up front. The ideal candidate has a deep understanding of vector databases, retrieval-augmented generation (RAG), and cloud-native Python development. Key Responsibilities: Search Infrastructure: Manage, configure, and optimize OpenSearch clusters (specifically focusing on vector search capabilities). LLM Integration: Develop and maintain integrations with LLMs via APIs (e.g., OpenAI, Anthropic) or AWS Bedrock. AI Feature Development: Impleme...
I want to turn a patchwork of manual updates into a smooth, fully-coded business process automation that keeps my sales dashboard current in real time. Right now data from the CRM, spreadsheets, and web forms has to be copied, cleaned, and pasted before management sees it; I’d prefer to trigger the whole chain automatically the moment a new deal is logged. What I need coded • A workflow that pulls fresh deal data from the CRM (HubSpot & Salesforce APIs are both available), merges it with weekly revenue numbers in Google Sheets, and pushes the results into our existing Power BI dashboard. • Automated status updates that fire a Slack or Teams message to the sales reps and managers when key metrics—pipeline value, win rate, or quota attainment—cross predefin...
I’m building a Python-based game-theory simulation and need DynamoDB set up as the project’s primary data layer. The job is entirely about data storage and databases on AWS, so I’m looking for someone who can design and deploy a DynamoDB solution, then wire it cleanly into my existing Python code (boto3).
If you want to stay competitive in 2021, you need a high quality website. Learn how to hire the best possible web developer for your business fast.
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