Upstaff

Role Purpose

Responsible for Level 3 technical support and escalation handling for Azure, Microsoft 365, network, infrastructure, and security environments. Provides third-line investigation, root cause analysis, resolution of complex incidents, and contributes to the maintenance and development of cloud solutions. On-call and out-of-hours support is required.

Key Responsibilities

• Deliver Level 3 support for Azure and Microsoft 365 via ticketing system and act as escalation point for Service Desk and L2 teams.
• Perform detailed diagnostics, root cause analysis, and resolution of incidents and problems.
• Escalate unresolved issues to external vendors according to established procedures.
• Contribute to building, configuration, automation and maintenance of cloud infrastructure, networking, and security components.
• Create and maintain technical documentation, knowledge base articles, and support standards.
• Monitor system availability, capacity, and performance; carry out planned maintenance tasks.
• Provide onsite and remote technical support as required.
• Comply with all internal processes, security, and EH&S policies.

Required Experience

• Minimum 3 years of hands-on experience managing and supporting Azure and Microsoft 365 environments at Level 3.
• Strong practical experience with the following:
  • Azure core services (VM, Storage, VNet, Backup, Site Recovery, High Availability)
  • Microsoft 365/Entra ID (Exchange, Teams, SharePoint, licensing, hybrid environments)
  • Azure networking and security (NSG, Azure Firewall, ExpressRoute, VPN, best practices)
  • Microsoft Intune (policies, Autopilot, device management)
  • Azure Sentinel and Microsoft Defender for Cloud/Endpoint
  • PowerShell scripting and Azure Automation
  • Azure Virtual Desktop
  • Windows Server 2016-2022 and Linux administration

Required Qualifications

• University degree in IT or related field
• ITIL Foundation certification
• Active Microsoft/Azure certifications (AZ-104, AZ-500, MS-500 or equivalent)
• Office 365 and security certifications are a plus

SFIA Level: 4 (Enable)

Summary

• IT Infrastructure Engineer/Systems Administrator with experience in Azure VM lift-and-shift migrations from Rackspace.
• Skilled in provisioning Azure VMs (Web and DB), Windows Server 2012 R2, IIS, Classic ASP, and SQL Server 2014 migrations with full data integrity.
• Strong knowledge of Azure VNet, NSG, and secure VM networking.
• Experienced in VM-based backup strategies (IaaS only), post-migration validation, and Classic ASP session testing.
• Able to deliver fast, stable migrations, documentation, and support within strict timelines (2-3 weeks).
• Focused strictly on infrastructure, not development or PaaS.

Job DescriptionRole Overview

The position is for an IT Infrastructure Engineer / Systems Administrator specializing in Azure Virtual Machine migration. The primary responsibility is to execute a direct lift-and-shift migration of a legacy B2B software platform from Rackspace virtual machines to Azure Virtual Machines. This role focuses on infrastructure, systems administration, and hardware migration rather than software development or cloud-native architecture.

Key Responsibilities

• Provision and configure two Azure Virtual Machines within a Virtual Network (VNet), specifically one Web Server VM and one Database Server VM
• Migrate the web server environment running Windows Server 2012 R2 and a Classic ASP application, including all dependencies and custom software
• Migrate SQL Server 2014 databases, comprising multiple client-specific databases, ensuring full data integrity throughout the process
• Design and implement a data backup and redundancy strategy tailored to Azure VMs, explicitly excluding PaaS or SQL-as-a-Service solutions
• Set up networking components such as VNet, Network Security Groups (NSG), and connectivity between the two Azure VMs
• Validate the full functionality of the application post-migration, with particular attention to session handling due to Classic ASP session variable dependencies
• Document the entire environment and migration process comprehensively and provide a detailed handover to the internal client team
• Provide ongoing periodic maintenance and support following the migration completion

Additional Role Requirements

• Immediate availability to start, with a strict timeline of 2 to 3 weeks to complete the migration.
• Strong communication skills in English (minimum 7/10 proficiency) to interact effectively with non-technical stakeholders.
• Global candidate search with no physical location restrictions.
• Ability to overlap with North American Central Standard Time (CST) business hours for meetings and urgent migration support.

Role Clarifications

• This role is strictly focused on IT infrastructure and systems administration, not software development or cloud-native application engineering.
• No involvement with containerization, Kubernetes, Azure PaaS services, or application code migration/refactoring.
• The migration is a direct lift-and-shift with no re-architecture or service changes.

Technologies and Tools Used: Azure Virtual Machines, Azure Virtual Network (VNet), Network Security Groups (NSG), Windows Server 2012 R2, IIS configuration, Classic ASP environment, SQL Server 2014, Rackspace virtual machines, data backup and redundancy solutions for Azure VMs.

Role Purpose

Responsible for hands-on management, support, and development of Azure and Microsoft 365 cloud environments. This includes infrastructure design, networking, security, automation, incident resolution, and continuous improvement of cloud solutions. On-call and out-of-hours support is required.

Key Responsibilities

• Manage and support Azure and Microsoft 365 environments through the ticketing system, handling complex incidents and service requests.
• Perform diagnostics, root cause analysis, and resolution of incidents and problems.
• Escalate unresolved issues to external vendors according to established procedures.
• Contribute to the design, configuration, automation, and maintenance of cloud infrastructure, networking, and security components.
• Develop and maintain technical documentation, knowledge base articles and operational standards.
• Monitor system availability, capacity and performance; carry out planned maintenance and improvement tasks.
• Provide onsite and remote technical support as required.
• Comply with all internal processes, security, and EH&S policies.

Required Experience

• Minimum 3 years of hands-on experience managing and supporting Azure and Microsoft 365 cloud environments.
• Strong practical experience with the following:
  • Azure core services (VM, Storage, VNet, Backup, Site Recovery, High Availability)
  • Microsoft 365/Entra ID (Exchange, Teams, SharePoint, licensing, hybrid environments)
  • Azure networking and security (NSG, Azure Firewall, ExpressRoute, VPN, best practices)
  • Microsoft Intune (policies, Autopilot, device management)
  • Azure Sentinel and Microsoft Defender for Cloud/Endpoint
  • PowerShell scripting and Azure Automation
  • Azure Virtual Desktop
  • Windows Server 2016–2022 and Linux administration

Required Qualifications

• University degree in IT or related field
• ITIL Foundation certification
• Active Microsoft/Azure certifications (AZ-104, AZ-500, MS-500 or equivalent)
• Office 365 and security certifications are a plus

Remote - work from anywhere in Europe | Full-time contractor 

Tech stack: Azure DevOps, Infrastructure (VMs, AKS, AVD, NSGs, Express Route, VPN) · PowerShell · Terraform ·  Defender for Cloud & Endpoints · Sentinel SIEM · Entra ID & Hybrid AD · Intune & Autopilot · Microsoft 365 · SQL/Cosmos DB · Windows Server 

The role

A global professional services company needs a senior engineer to own their Azure security and infrastructure.

If your idea of a good day involves tightening conditional access policies, investigating Sentinel alerts, working with Azure DevOps and automating Azure deployments before projects launch - this role is for you. Typical projects are ERPs, CRMs, business mobility and security suite deployments. You’ll protect cloud workloads, harden identities, manage the Microsoft security stack end-to-end, and build the automation that keeps everything running. This is a hybrid DevOps, security, identity and infrastructure architecture and management role with real ownership scope and autonomy.

What you’ll do 

• Implement and monitor cloud identity, security and DevOps processes: Azure DevOps, Defender for Cloud, Sentinel SIEM, DLP, threat protection 
• Manage identity and security: Entra ID, conditional access, RBAC, hybrid AD, B2C 
• Design and maintain Azure infrastructure: networking, compute, storage, microservices 
• Secure and administer M365 (Exchange, SharePoint, Teams) including migrations
• Automate infrastructure with PowerShell, Terraform, and CI/CD pipelines
• Manage endpoint security via Intune, Autopilot, and CrowdStrike 

• Respond to L3 security and infrastructure escalations 

   

Must have 

• 4+ years in Azure with DevOps, identity management and security focus 
• PowerShell automation and IaC experience 
• Hands-on with Microsoft security stack (Defender, Sentinel, conditional access, DLP) 

• Upper-Intermediate+ English 

   

Nice to have 

• Security certs (AZ-500, MS-500, SC-200) 
• Azure infrastructure certs (AZ-104) 
• DevOps tooling (Azure DevOps, GitHub Actions, Terraform modules) 
• AI-assisted security operations (Copilot for Security) 
• SIEM tuning and incident response experience

What we offer

• Fully remote across Europe 
• Long-term, stable engagement - not project-based churn 
• Autonomy in a senior international team 
• Compensated on-calls

About the Project

AI Interview Platform (client name undisclosed) — a leading technical interviewing platform used by fast-growing startups and large enterprises worldwide. It pairs experienced engineers with standardized interview frameworks to enable fair, high-signal, and scalable hiring for software engineers globally.

What You'll Do

• Conduct live technical interviews with software engineering candidates worldwide via the platform.
• Assess coding skills, problem-solving abilities, technical knowledge, and communication while creating a professional and inclusive candidate experience.
• Provide structured, objective feedback based on established evaluation criteria to reduce bias and improve hiring quality.

• Collaborate with the client’s team to test, refine, and improve interview content, processes, and platform features.

   

Must Have

• 4+ years of professional experience as a Software Engineer/Developer.
• Strong Python proficiency
• Working knowledge of frontend technologies (JavaScript, React, or similar).
• Solid understanding of algorithms, data structures, and software engineering fundamentals.
• Excellent English communication skills (spoken and written).
• Professional demeanor, ability to deliver objective assessments, and reliable setup (webcam, microphone, stable internet).

Nice to Have

• Prior experience conducting technical interviews (DS&A, system design).
• Mentoring, coaching, or technical leadership experience.
• Interest in talent assessment, interviewing best practices, or inclusive hiring.

Location: EU / Remote (Ukraine)

Type: Freelance full-time (first 3 months), with option to go part-time later.

About the Project

AI Interview Platform (client name undisclosed) — a leading technical interviewing platform used by fast-growing startups and large enterprises worldwide. It pairs experienced engineers with standardized interview frameworks to enable fair, high-signal, and scalable hiring for software engineers globally.

What You'll Do

• Conduct live technical interviews with software engineering candidates worldwide via the platform.
• Assess coding skills, problem-solving abilities, technical knowledge, and communication while creating a professional and inclusive candidate experience.
• Provide structured, objective feedback based on established evaluation criteria to reduce bias and improve hiring quality.
• Collaborate with the client’s team to test, refine, and improve interview content, processes, and platform features.

Must Have

• 4+ years of professional experience as a Software Engineer/Developer.
• Strong Java proficiency + working knowledge of frontend technologies (JavaScript, React, or similar).
• Solid understanding of algorithms, data structures, and software engineering fundamentals.
• Excellent English communication skills (spoken and written).
• Professional demeanor, ability to deliver objective assessments, and reliable setup (webcam, microphone, stable internet).

Nice to Have

• Prior experience conducting technical interviews (DS&A, system design).
• Mentoring, coaching, or technical leadership experience.
• Interest in talent assessment, interviewing best practices, or inclusive hiring.

Location: EU / Remote (Ukraine)

Type: Freelance full-time (first 3 months), with option to go part-time later.

About the Project

AI Interview Platform (client name undisclosed) — a leading technical interviewing platform used by fast-growing startups and large enterprises worldwide. It pairs experienced engineers with standardized interview frameworks to enable fair, high-signal, and scalable hiring for software engineers globally.

What You'll Do

• Conduct live technical interviews with software engineering candidates worldwide via the platform.
• Assess coding skills, problem-solving abilities, technical knowledge, and communication while creating a professional and inclusive candidate experience.
• Provide structured, objective feedback based on established evaluation criteria to reduce bias and improve hiring quality.
• Collaborate with the client’s team to test, refine, and improve interview content, processes, and platform features.
•  

Must Have

• 4+ years of professional experience as a Software Engineer/Developer.
• Strong Ruby / Ruby on Rails proficiency
• Working knowledge of frontend technologies (JavaScript, React, or similar).
• Solid understanding of algorithms, data structures, and software engineering fundamentals.
• Excellent English communication skills (spoken and written).

• Professional demeanor, ability to deliver objective assessments, and reliable setup (webcam, microphone, stable internet).

   

Nice to Have

• Prior experience conducting technical interviews (DS&A, system design).
• Mentoring, coaching, or technical leadership experience.
• Interest in talent assessment, interviewing best practices, or inclusive hiring.
   

Location: EU / Remote (Ukraine)

Type: Freelance full-time (first 3 months), with option to go part-time later.

Job Description

Role Overview:
 

The Senior Full-Stack Developer position at Vertical Television involves acting as a technical pillar and the ultimate “go-to” person within the app development team. The role demands a highly independent professional with a strong frontend orientation, responsible for driving the architecture of a high-scale mobile app and operational web platforms. The developer will contribute to building the future of Vertical Television by combining cinematic storytelling with interactive, vertical-first technology, focusing on scalable application design and performance optimization.

Key Responsibilities:

• System & App Architecture: Architect, plan, and lead the development of the mobile app built with React Native and web platforms using React, ensuring a holistic and scalable system design.
• Vertical Video Feed & Playback: Own the core viewing experience featuring an infinite vertical video feed with instant time-to-first-frame, video preload/prefetch, player-instance recycling, and disciplined memory management across multiple concurrent video players.
• Technical Leadership & Mentorship: Serve as the technical expert and mentor for mid-level developers by providing guidance, conducting code reviews, and elevating engineering standards within the team.
• Standards & Reusability: adherence to coding standards, best practices, and promote a reusability-first mindset to maintain a clean, maintainable, and highly scalable codebase.
• Deep App Performance: Address complex performance challenges including app state management, native bridging, and video rendering optimizations such as player tuning, reducing frame drops, minimizing jank on scroll, and improving cold-start times.
• Monetization: Design and integrate in-app purchases, subscriptions, deep links, attribution, and user-behavior tracking end-to-end, including client SDK implementation and server-side receipt validation.
• Cross-Functional Collaboration: Work closely with Product, Design, and Backend engineering teams to deliver fast iterations of complex features in a dynamic startup environment.

Additional Expertise and Advantages:

• Experience with mobile CI/CD and release operations one of EAS, Fastlane, store submission, OTA updates (CodePush, EAS Update), and end-to-end testing.
• Background in high-growth startups or mobile entertainment products, with familiarity in vertical/short-form feed products similar to TikTok, Reels, or Shorts.
• Understanding of ad-tech and SSAI (AdMob, Google IMA) and subscription monetization modeling.
• Knowledge of DRM technologies (Widevine, FairPlay), offline downloads, and transcoding pipelines (Mux, AWS MediaConvert, AWS IVS) as beneficial skills.

Ideal Candidate Profile includes experience in the following areas: 

Streaming & vertical feed (the differentiator):

• Protocols/players shipped: HLS, LL-HLS (low-latency is the point for "TV"), DASH; react-native-video, Bitmovin, JW Player, ExoPlayer/AVPlayer, Mux, Video.js (web side).
• Vertical-feed mechanics: preload/prefetch strategy, player-instance pooling/recycling, FlashList/recycler usage, memory profiling, time-to-first-frame optimization.
• DRM (Widevine/FairPlay), ABR tuning, thumbnails/scrubbing, offline/download, CDN (CloudFront/Cloudflare/Fastly), transcoding (Mux/AWS MediaConvert/IVS).

RN architecture & performance:

• New Architecture (Fabric, TurboModules, JSI), Hermes; bare RN/CLI vs Expo (and EAS) — get their stance and why.
• Native modules written themselves (Swift/Kotlin/ObjC) — ask for a concrete bridge they built.
• State at scale (Redux Toolkit / Zustand / Jotai), Reanimated + Gesture Handler for the scroll/gesture layer, list virtualization (FlashList).

Monetization & growth plumbing:

• IAP/subscriptions: StoreKit 2, Google Play Billing, RevenueCat, server-side receipt validation.
• Ad-tech if relevant: AdMob, Google IMA, SSAI.
• Deep links/attribution: Branch, AppsFlyer/Adjust, Universal/App Links.

Analytics, quality, release:

• Product analytics: Amplitude/Mixpanel/Firebase; crash/perf: Sentry + Crashlytics, Firebase Performance.
• Testing: Jest, RN Testing Library, Detox or Maestro E2E; mobile CI/CD: EAS / Fastlane; store release management, OTA (CodePush/EAS Update).
• Auth: Cognito/Firebase Auth/Auth0, OAuth (Apple/Google), federated + biometric.

Backend/infra (scope it as secondary if FE-led):

• Node/NestJS or similar; MongoDB/Firebase as named; WebSockets/real-time for comments/live; AWS or GCP IaC (Terraform).

Summary

• Senior Data Analyst with experience in cloud databases, data pipelines, and advanced SQL/NoSQL.
• Experienced in Python and AWS services, contributing to semantic search and AI-driven customer-facing platforms.
• Skilled in designing and deploying analytics applications, creating data-driven dashboards, and collaborating in agile, multicultural teams.
• Background in data architecture, automation, and delivering high-quality data products supporting digital transformation.

Job Description

The Senior Data Analyst role is a critical position within a travel agency company, focusing on enhancing a customer-facing platform integrated with an intelligent chatbot. The primary objective is to analyze customer requests and behaviors to improve the recommendation and matching process, addressing challenges such as interpreting general customer inquiries and uncovering implicit preferences.

The project centers on a platform designed to assist users in selecting suitable travel offers through an integrated chatbot. A key challenge addressed is the interpretation of general customer requests that lack explicit preferences, requiring advanced analysis to infer user expectations.

Role and Responsibilities

• Collaborate with cross-functional agile teams, including developers, architects, QA engineers, business analysts, product owners, and technical leads, to deliver semantic search functionality and data-driven services.
• Define, document, and communicate business, user, and system requirements, supporting the full requirements lifecycle from planning and elicitation through testing, delivery, and business acceptance.
• Analyze complex business problems, identify relevant data sources, and evaluate solution options to provide data-driven recommendations to stakeholders.
• Design and deliver high-quality data products, dashboards, and analytics solutions that support business growth and digital transformation across key markets.
• Create meaningful dashboards focused on answering key business questions and enabling self-service analytics.
• Work with cloud databases, data pipelines, and database structures, collaborating closely with data engineers and contributing to discussions around data architecture and solutions.
• Design, build, test, and deploy analytics applications, owning and evolving the AI/Search architecture roadmap in coordination with Domain and Group Architecture teams.
• Ensure solutions balance customer impact, security, compliance, and cost, promoting secure behaviors and security-first practices in all activities.
• Contribute actively to the Analytics community and continuous improvement initiatives within the organization.

Key Skills and Competencies

• Strong analytical and problem-solving skills with the ability to decompose complex problems.
• Excellent communication skills for collaboration with both technical and non-technical stakeholders.
• Experience with cloud databases, data pipelines, and strong SQL/NoSQL capabilities.
• Senior-level proficiency in Python programming.
• Experience with AWS services and the ability to design, build, test, and deploy analytics applications.
• Automation mindset and customer-centric approach focused on delivering high-quality data products and services.
• Passion for continuous improvement, teamwork, and learning new technologies.
• Comfortable working autonomously in ambiguous environments within international and multicultural agile teams.

Technologies and Methodologies: AWS cloud services, Python programming (senior-level expertise), semantic search technologies (advantageous), cloud databases, data pipelines, SQL/NoSQL databases, agile methodologies, and security-first practices.