Jobs at Djinni

Who we’re looking for
We're hiring a driven and structured HR / Talent Acquisition Specialist to help grow and strengthen our team. You’ll be responsible for the full-cycle recruitment of key roles - iOS developers, product managers, designers, user acquisition specialists, and more - and play a key role in onboarding and supporting new team members.

What you’ll do

• Manage full-cycle hiring: from job posting to offer
• Source and screen candidates (inbound and outbound, including proactive outreach)
• Conduct interviews (introductory, deep-dive, final) using our structured framework
• Collaborate with the CEO, product managers, and team leads on all hiring stages
• Prepare candidate summaries and support decision-making
• Facilitate onboarding and adaptation of new hires
• Continuously improve recruitment and hiring processes

What we expect

• 2+ years of experience hiring in digital/tech roles (product, development, design, UA)
• Strong communication and interpersonal skills
• Ability to clearly structure your work, keep things moving, and follow up
• Confident written and spoken Russian and/or Ukrainian
• Experience working with product companies or startups is a plus
• Bonus: experience in active sourcing/hunting

What we offer

• Remote-first team and modern product workflows
• A library of templates, processes, and checklists to support your work
• Direct access to decision-makers, fast communication, and strong collaboration
• The opportunity to influence how we grow, hire, and build a high-performing team

Fluent Trade Technologies is a global fintech software firm at the forefront of providing state-of-the-art technology to the world's largest global banks and hedge funds. Specializing in ultra low-latency strategy and market data solutions, Fluent is committed to delivering cutting-edge innovations to the Financial Industry. With a prominent Israeli R&D center in Jerusalem and development centers in Ukraine's Kharkiv and Dnipro, Fluent is a dynamic and collaborative environment. 

Learn more about us at www.fluenttech.net.

Software Team Lead

Responsibilities:

• Be a leading developer in your team (%50 hands-on).
• Lead a development team of 2-5 strong developers, in a company creating high-end automatic financial trading systems.
• Be responsible for a project, including direct connection with the customer.
• Challenging and fascinating work environment.

Desired Skills & Experience

• 4 years or more of development experience, mainly C/C++
• Extensive Knowledge in Linux environment 
• Strong Multi threading background
• Experience in software quality tools and procedures: unit testing, testability design, code review etc.
• Experienced in High performance software systems, code optimization and latency measurement.
• Basic Leadership and managerial skills:
  • Experience in Effort estimation, architecture and software design
  • Managed a small group of developers
• Customer oriented skills:
  • Excellent English
  • Experience in some customer-related skill: requirements collection, support etc.
  • Experience in project management: task management, planning, pusher personality.

Advantage

• Experience in the financial industry and algorithms
• Exposure to a wide range of systems, software and libraries.
• Scripting experience (bash,python)
• Experience with customer in the US / EU

Job Overview

We are seeking a highly motivated and results-oriented Retention Specialist.

The successful candidate will focus on increasing player engagement, reducing churn, and maximizing lifetime value by implementing and optimizing personalized retention campaigns across various channels.

Key Responsibilities

• Run campaigns through email,sms, push & AI call center 
• Develop and execute player retention strategies and promotional campaigns based on segmentation and behavioral data.
• Monitor player activity and identify churn risks, implementing timely and effective re-engagement actions.
• Collaborate with CRM, content, analytics, and product teams to deliver personalized, multichannel communications (email, SMS, push, in-app, etc.).
• Analyze campaign performance, run A/B tests, and adjust strategies to optimize KPIs such as active days, ARPU, and retention rate.
• Work closely with VIP managers and customer support to address high-value player needs.
• Maintain compliance with all relevant gambling regulations and responsible gaming standards.

Requirements

• 2+ years of experience in a CRM or retention-focused role within the iGaming or online gambling industry.
• Strong understanding of player lifecycle, segmentation, and retention techniques.
• Hands-on experience with CRM tools (e.g., Optimove, Salesforce, Emarsys, etc.).
• Excellent analytical and problem-solving skills; proficiency in Excel and data interpretation.
• Strong communication skills with a customer-first mindset.
• Ability to work in a fast-paced, results-driven environment.

Preferred Qualifications

• Experience working with international markets and multilingual campaigns.
• Understanding of affiliate marketing and its role in the player journey.
• Passion for gaming and staying ahead of industry trends.

What We Offer

• Competitive salary and performance-based bonuses
• Remote work flexibility or hybrid setup
• Opportunities for growth and advancement
• Collaborative and international team culture
• Access to industry events and learning resources

We're AdFlagger, a SaaS product that helps businesses protect their brand and traffic from ad hijacking and fraudulent PPC activity. Our clients include fintech, gambling, crypto and high-competition verticals where paid traffic is under constant threat.

We're looking for a Lead Generation Specialist who can find the right people, reach out with relevance, and generate demand without relying on templates or guesswork.

 What you'll do

• Build and maintain lead lists: CMOs, Heads of Marketing, PPC Managers, Affiliate Leads in target industries
• Craft and test cold outreach emails & LinkedIn messages that feel human, not robotic
• Research each prospect’s context: brand presence, PPC activity, affiliate exposure
• Track responses, analyze reply quality, and constantly improve your flow
• Work closely with sales to transfer qualified leads with insights and triggers

Requirements

• 2+ years in B2B lead generation or outbound SDR role
• Hands-on experience with email outreach tools and lead enrichment platforms
• Working knowledge of analytical tools: Ahrefs, Similarweb, Google Search Console to identify brand queries, ad activity, and competitor exposure
• Understanding of performance marketing (PPC, affiliates, brand bidding, cloaking)
• Fluent written English (B2+ minimum)
• Analytical mindset: you measure, test, and refine

• Proactive, autonomous, and focused on quality over volume

   

 Nice to have

• Ability to analyze branded traffic leaks, keyword cannibalization, or paid vs. organic split
• Competitor analysis using tools or custom scripts
• Experience working alongside marketing or SEO teams to align on lead targeting

• Forum / Slack / Reddit outreach experience

   

 What we offer

• Remote-first culture
• Fixed base + % from deals or pay-per-SQL (your choice)
• Access to internal data: real hijacking examples, dashboards, cases
• Real product, real pain solved

We’re building financial infrastructure designed to outperform legacy processors by an order of magnitude.
As our Senior Laravel Developer, you’ll architect systems that give us an unfair advantage — in speed, scale, and execution. Your work won’t just ship; it will shape how our next-generation financial ecosystem competes and wins.

We're operating in a $50B market still dominated by outdated institutions. Your mission is to build flexible, high-performance systems that allow us to move faster than incumbents and deliver innovations they can't match.
This is a role for someone who wants their work to change how financial infrastructure is built.


What You’ll Do

• Architect and scale core backend platforms across multiple fintech products
• Build AI-driven tools and real-time optimization engines
• Ship features in days — not months — with iterative, high-velocity execution
• Design backend systems supporting hundreds of merchants with zero bottlenecks
• Own the Laravel-powered backend stack end-to-end
• Drive engineering decisions and lead by impact, not hierarchy
• Help shape a no-fluff, high-performance engineering culture

You’re a Strong Fit If

• You think like a builder — not someone waiting for assigned tickets
• You thrive in ambiguity and move with urgency
• You ship fast, learn faster, and solve problems without waiting for permission
• You know when to optimize and when to deliver quickly
• You’ve built products that real users rely on
• You care more about outcomes than theoretical “best practices”

Required Skills

• Deep experience with PHP and Laravel (hands-on, real-world, production-scale)
• Strong understanding of backend architecture and system scalability
• Experience working on high-throughput financial or transactional platforms
• Ability to think independently and make impactful engineering decisions
• Comfortable owning systems end-to-end in a high-autonomy environment

Nice-to-Have

• Experience with AI tooling or automation engines
• Background in fintech, payments, or high-volume transaction systems
• Familiarity with real-time monitoring, optimization, or distributed architectures
• Experience mentoring or leading engineering teams

With Us You’ll Have

 • Fully remote setup with a flexible schedule

• Fast-moving environment where decisions are quick and clear
• Direct collaboration with founders & tech leadership — your work has real impact
• Competitive compensation based on experience
• A team that values ownership, clarity, and healthy communication

What you’ll be doing:

• Managing projects throughout the delivery lifecycle;
• Risk, issue and change management;
• Collaborating with design and delivery teams to produce coherent project outcomes.
• Communicating with a range of stakeholders;
• Management of the developers team;
• Resource planning;
• People management.

Skills Required:

• Experience with Atlassian suite tools (Jira, Confluence);
• Experience in launching mobile products;
• Experience with analytics tools like FireBase Analytics, Google Analytics, etc;
• Experience with RESTful API;
• Strong understanding of SDLC;
• Understanding of CI/CD pipeline for Mobile development;
• Strong understanding of Android ecosystem;
• Experience in R&D projects for the Android platform will be an advantage.

Will be an advantage:

• Minimum of 3-4 years of experience in mobile application management;
• Understanding of Android best practices for application development;
• Strong understanding of agile development methodologies;
• Flexible and proactive/self-motivated working style with strong personal ownership of problem resolution;
• Ability to multitask and work independently with minimal supervision;
• Excellent verbal and written communication skills;
• Ability to work in a fast-paced environment.

What we offer:

• Working in a stable company with more than 13-years history in the media market;
• The opportunity to participate in the creation of a service of the future;
• Free English lessons;
• Table tennis lessons;
• Corporate psychologist;
• Discounts from partner brands for company employees.

We don’t just want to be an employer — we want to be your employer of choice.
 

We’d appreciate it if you could take a moment to fill out a short survey about what matters most to you. It will help us better understand candidates’ expectations and create an even more comfortable environment at MEGOGO. Here’s the link: bit.ly/43YaxBH
 

By responding to the vacancy and sending your CV to the Company (LLC “MEGOGO”), registered and operating in accordance with the laws of Ukraine, registration number 38347009, address: Ukraine, 01011, Kyiv, Rybalska Street, building 22 (hereinafter “the Company”), you confirm and agree that the Company processes your personal data presented in your CV in accordance with the Law of Ukraine “On Personal Data Protection” and GDPR.

About company:

Appexoft is Software Development Company that provides a full range of top-quality IT services. Our mission is to develop first-class applications and Websites to provide our clients with the best solutions for maximizing their profits and converting their ideas into reality.

Requirements:

• Experience in developing on React;
• Good spoken English (B1-B2);
• Experience with Redux/React Redux;
• Experience with REST API/HTTP methods;
• Experience with Git.

We offer:

• Interesting and challenging projects.
• Vast opportunities for professional development.
• Competitive salary.
• Delicious coffee biscuits and tea for your good mood.
• The friendly team of professionals.
• Comfortable working environment.

Про компанію Appexoft

Appexoft is Software Development Company that provides a full range of top-quality IT services. Our mission is to develop first-class applications and Websites to provide our clients with the best solutions for maximizing their profits and converting their ideas into reality.

Copywriter (Full/Part-Time)

Asabix is a software development company with offices in Ukraine and Poland, building scalable digital products for clients across the US, UA, and Europe.

Now we’re looking for someone who not only writes clearly, but also thoughtfully. Someone who knows how to engage an audience and who enjoys doing it.

What will you do:

• Write articles, landing pages, case studies, and guest publications.
• You'll create content that appeals to real people and has a clear purpose.
• We help develop ideas that grab attention and build trust.
• Collaborate closely with design, SEO, and marketing teams.

What we are looking for:

• At least 2 years of writing experience, ideally in tech or digital services.
• Fluent, confident English — with style, nuance and precision.
• The ability to research, structure and clearly explain complex topics.
• Familiarity with SEO principles and target group-oriented writing.
• Someone who's curious, open-minded, and comfortable with feedback and iteration.

What you will get:

• Remote-friendly work or a cozy office in Zhytomyr — the choice is yours.
• A team that appreciates good writing and relies on it.
• Fair remuneration, development opportunities and mutual support.

If this sounds like your kind of team, we’d love to hear from you. Send us your CV, writing samples (in English), and salary expectations.

[HIRING] 3D Stylized Character Artist 

Location: Remote

Type: Project-based (with potential for long-term contract)

Level: Experienced Junior or Middle

 

About Us

HiMASTERS is a 3D outsourcing studio led by senior artists with decades of experience on top-tier projects and franchises including Metro Exodus, Halo, Battlefield, Microsoft Flight Simulator, War Thunder, World of Tanks, and many more. We deliver top-quality assets for both games and cinematics — stylized or realistic, always production-ready.

 

About the Role

We’re looking for a Stylized Character Artist. You’ll work closely with a senior team to deliver hero-quality characters with precise anatomy, clean topology, and engine-ready output.

This is a hands-on, production-focused role for someone with a knowledge of the character pipeline — from blocking out to sculpting, from UV layout to texturing and final engine integration.

 

Responsibilities

• Create high-quality characters for Unreal Engine (≈70%) and Unity (≈30%)

• Sculpt custom elements in ZBrush, including clothing refinement and accessories

• Produce textures compatible with Unreal & Unity

• Optimize models for real-time usage: clean topology, proper UVs, and texture baking

• Collaborate with riggers, animators, and tech artists to ensure engine integration

• Deliver character assets ready for gameplay

• Create facial expression systems and blendshapes

 

Ideal Candidate Profile

• Expert in anatomy, with a sharp eye for form and proportion

• Comfortable optimizing pipeline per task

• Maintains high attention to detail, from silhouettes to wrinkles

• Loves working on games and understands how characters serve gameplay

• Works efficiently under deadlines and thrives in a collaborative environment

 

Nice to Have

• Experience with rigging and skinning (even basic)

• Ability to model and texture creatures or semi-realistic characters

• Understanding of facial expression systems and blendshape pipelines

 

Tools & Technologies

• ZBrush

• Marvelous Designer

• Substance Painter / Designer

• Unreal Engine 5 / Unity

• Blender / Maya

• Photoshop, Marmoset (optional)

 

What We Offer

• Work on stylized characters for game and cinematic productions

• Fully remote collaboration with a skilled and supportive team

• Project-based contract with the potential to grow into a long-term role

• Opportunity to work across different styles

• Real impact on projects delivered in Unreal and Unity pipelines
 

How to Apply

Send your CV and Portfolio

We are looking for a skilled С++ Engineer-a with mathematical background. 
The ideal candidate will have a solid foundation in the following areas:
 

Key Qualifications:
- Strong knowledge of C++ and STL;
- Strong knowledge of Linear Algebra and 3D Geometry;
- Familiarity with Concurrent and/or Parallelism Concepts (e.g., multi-threading, mutex, condition variable, GPU computing, etc.);

Responsibilities:
- Simulation of physical models of dynamic systems that correspond to real parameters;

- Improving the software architecture of the simulation environment;

- Conducting experiments in the simulation environment.
 

Will be a plus:
- Background in Game Dev field (or other Simulation fields);

- Understanding of Physics and Flight Dynamics (e.g., aerodynamics, thrust, drag, and lift principles);
- Background in Robotics Development including Sensors, Control Theory, and Computer Vision;

- Familiarity with Flight Simulation(such as Gazebo or AirSim)\Controlling software (Ardupilot or Betaflight);
- Proficiency in Linux environments;
- Experience with Python and Bash scripting;
- Experience with Docker, Git;
- Experience with CMake;
- Experience with GoogleTest, Catch2 (or similar unit testing frameworks);

About company:

Appexoft is Software Development Company that provides a full range of top-quality IT services. Our mission is to develop first-class applications and Websites to provide our clients with the best solutions for maximizing their profits and converting their ideas into reality.

Requirements:

We are looking for a QA Engineer to join our team.

Key responsibilities:

• Taking care about quality of software as a member of development team;
• Communicating closely with developers on clarifying backlog items;
• Troubleshooting various problems across multiple environments and operating platforms;
• Ensuring that releases have the right level of test coverage, including unit, functional and performance tests;
• Creating detailed, comprehensive and well-structured test plans and test cases;
• Monitoring debugging process results.
• Mandatory Skill Set:
• Intermediate level of English (or higher);
• Excellent written and oral communication skills with technical and non-technical stakeholders;
• Strong knowledge of QA theory and rich hands-on experience in testing;

We offer:

• Interesting and challenging projects.
• Vast opportunities for professional development.
• Competitive salary.
• Delicious coffee biscuits and tea for your good mood.
• The friendly team of professionals.
• Comfortable working environment.

Про компанію Appexoft

Appexoft is Software Development Company that provides a full range of top-quality IT services. Our mission is to develop first-class applications and Websites to provide our clients with the best solutions for maximizing their profits and converting their ideas into reality.

Insiders is a fast-growing IT company which employs about 200 people. Our company focused on providing innovative digital services and cutting-edge technologies to solve complex business challenges.

What we expect from the candidate:

• Experience in development using the Python programming language is required.
• Knowledge of frameworks such as Django and DRF is necessary.
• Understanding of the fundamental principles of object-oriented programming is essential.
• Proficiency in working with databases such as MySQL and PostgreSQL is important.
• Experience with version control systems like Git is mandatory.
• The candidate must demonstrate seriousness and the ability to collaborate effectively both in a team and independently.

What we offer:

• free study in our Corporate English Academy
• growth and development opportunities for young developers even if you have no commercial experience
• regular salary review (after the completion of each contract)
• provision of Apple equipment
• comfortable office with all amenities not far from the center (uninterrupted internet, generator, tea and coffee, pastries).
• timely payment of salaries.
• corporate events, teambuildings, etc.

• working on projects side by side with Senior developers, which will give you the opportunity to learn and develop.

   

  Feel free to contact us now; this could be the beginning of our collaboration! We will respond promptly upon receiving your resume.

Location – only Lviv!

🚀 Looking for Your Next Big Marketing Challenge?

We’re looking for a strategic B2B Marketer to take ownership of 2–3 key industry verticals and lead all marketing initiatives within them. You’ll be responsible for everything from research and positioning to content planning, outreach, retargeting, and performance analysis.

Here’s why you’ll love working with us:

🌐 Niche Focus, Big Impact: With a strong focus on niche industries like fleet management, indoor mapping, navigation, and AR, we’re making waves in the tech world and building real value in markets that matter.

📚 Proven Expertise: Our portfolio is packed with impressive case studies, articles, and success stories. And in early 2025, we’re adding even more exciting projects.

🌍 Established Presence: Our website attracts 3,000+ visitors monthly, with 50+ published articles and active leads that convert into real contracts.

🔍 Industry Insights: We’ve conducted 2 Industry State Reports in Fleet Management and regularly attend top conferences to stay ahead of the curve.

💼 Tools & Team Ready for Success: Work with in-house designers and content writers, plus full access to the marketing tools you need—no red tape.

🤝 Collaboration at Its Best: Partner directly with our CEO and sales team, breaking silos to achieve impactful results.

👥 Work in a Team, Not Alone: You won’t be starting from scratch. We already have one strong marketing specialist on board, so you’ll be joining forces and collaborating from day one.

🛠️ Clear Vision for the Future: With a detailed strategy for 2025–2026, you’ll step into a role where your efforts truly shape the company’s growth.

This is more than just another marketing job. It’s your chance to make an impact in industries that matter while working with a team that values your expertise.

Ready to take on the challenge? Let’s make it happen!

Required Experience/Skills:

• 2+ years of experience in B2B marketing for software development services;
• Clear understanding of industry segmentation and how to tailor messaging, content, and campaigns for specific verticals;
• Strong knowledge of SEO fundamentals;
• Proven ability to develop and own content strategies, not just execute predefined tasks;
• Solid experience with Account-Based Marketing (ABM) — from identifying target accounts to executing outreach;
• Strong analytical skills — able to work with data to identify trends, evaluate performance, and make informed strategic adjustments;
• Excellent written and verbal communication skills, with a focus on clarity, tone, and persuasive messaging;
• Strong sense of independence and accountability, with a proven ability to own and drive vertical-specific initiatives with minimal supervision;
• Well-developed organizational and execution skills, with a proactive mindset and focus on delivering measurable, results-driven outcomes.

Would Be a Plus:

• Experience in lead generation or B2B sales, especially in a service-based or agency environment;
• Formal marketing education or completion of relevant courses/certifications;
• Previous experience working with specific industries (e.g., fleet, logistics, AR, navigation, etc.);
• Hands-on experience with retargeting strategies or running LinkedIn remarketing campaigns;
• Experience in creating marketing materials like presentations, proposals, and case studies.

Key Responsibilities:

• Develop and own the marketing roadmap for the assigned industry vertical — including quarterly goals, positioning, content pipeline, and campaign strategy;
• Create and manage a vertical-specific content plan, including SEO articles, case studies, and landing pages, in collaboration with the content writer and designer;
• Conduct in-depth industry research — covering competitors, trends, pain points, and ICP behavior — to inform messaging and campaign focus;
• Plan and manage LinkedIn presence for the vertical, including outreach campaigns, personal/company posts, and engagement tactics;
• Launch and oversee retargeting campaigns, defining audience segments and suggesting ad concepts based on user behavior;
• Lead ABM initiatives for your industry, including target account selection, outreach preparation, and performance tracking;
• Identify opportunities to update or improve website pages related to the industry (e.g., service pages, expertise sections, article interlinking);
• Track performance and extract actionable insights — use SEO, analytics, and campaign data to continuously refine strategy;
• Align with sales and lead gen teams to maintain consistent messaging, identify high-potential prospects, and contribute to revenue goals.

Your Benefits:

• 15 days paid vacation + 5 public holidays;
• 7 days 100% paid sick leaves;
• Sport and health compensation;
• Flexible working hours;
• Corporate training (internal and external);
• IT Cluster membership;
• Personal Birthday and anniversary gifts;
• Сorporate parties and team-buildings;
• Company legal and accounting support.

Join our vibrant and passionate team dedicated to revolutionizing the travel industry. We're a forward-thinking company with an in-house development team focused on creating innovative solutions that directly impact our product's functionality and user experience. Our product has a global reach, used by customers across 17 diverse countries.

We're seeking a motivated teammate for our Back End and Integrations Team who's not just skilled but also deeply enthusiastic about the travel sector. As a key member of our small yet highly ambitious team, you'll have the unique opportunity to shape our proprietary IT product. This role isn't about merely coding; it's about influencing the very core of how our system is built and how it delivers an unparalleled experience to our users.

Responsibilities:

• Write efficient and maintainable back-end code and develop PHP modules.
• Understand and collaborate with the existing codebase to ensure stability and scalability.
• Troubleshoot and resolve tracking issues quickly and reliably.
• Work on integration projects with external partners via APIs, ensuring seamless and secure data exchange.
• Optimize and maintain database structures to support application functionality and performance.

Requirements:

• 1+ years of commercial experience in PHP development during one job at the company.
• Proficiency in PHP 7+ and Symfony(or similar) framework.
• Skills in MySQL, HTML, CSS, JS, jQuery, and basic web development.
• Experience with Redis, XML, JSON
• Experience with YouTrack or similar project management tools.

• Knowledge of Ukrainian or Russian is required

   

Nice to have:

• Familiarity with Twig(or similar) templating engine
• Knowledge and ability to work with Linux (nginx, php-fpm, docker)
• Work with high-load projects
• Understanding of SOAP and familiarity with Linux
• Prior collaboration with travel industry stakeholders like tour operators, travel agents, hotels, and airlines.

 What we offer: 

• Working schedule: Monday to Friday.
• The standard workday is 8 hours, with flexibility in scheduling. Daily stand-up at 11:00 Kyiv time is mandatory.

We are looking for an experienced, independent, and highly motivated DevOps Engineer with a “get the job done” mindset to take full ownership of our DevOps infrastructure and operations. This is a key role within the tech team, reporting directly to the Head of Engineering, with the mission of designing, building, and maintaining the backbone of our production environment — from CI/CD pipelines to cloud infrastructure and beyond.
 

Key Responsibilities

• Build, manage, and maintain cloud infrastructure and deployment environments (Staging, Production).
• Lead and optimize CI/CD processes end-to-end.
• Ensure high availability, security, monitoring, and performance of production systems.
• Respond to production incidents and be available during off-hours in case of critical issues.
• Design and implement automation tools and scripts to streamline workflows.
• Select, integrate, and manage DevOps tools and platforms that support scalability and reliability.
• Collaborate closely with development and support teams, serving as the primary DevOps authority within the organization.
   

Requirements

• Minimum of 5 years of hands-on DevOps experience in tech-driven environments.
• Proven experience with CI/CD systems (e.g., GitHub Actions, GitLab CI, Jenkins, etc.).
• Solid experience working with cloud providers, preferably AWS.
• Strong scripting skills (Bash, Python, or similar).
• Hands-on experience with containerization and orchestration tools (Docker, Kubernetes).
• High-level English — both written and spoken.
• Strong sense of ownership and accountability — able to independently manage and lead all aspects of DevOps.
• Proactive, results-driven, and resilient — capable of handling high-pressure scenarios and resolving problems quickly and effectively.
   

Advantages

• Experience in a startup or fast-paced environment.
• Knowledge of DevSecOps and security best practices.
• Experience designing DR (Disaster Recovery) and High Availability architectures.