Remote jobs in Europe

Code&Care — is a successful full-stack development company, which provides clients with high-quality development assistance worldwide.

Now our team has a position for DevOps Engineer (Part-time)!

Requirements:
• 3+ years of commercial experience as a DevOps Engineer
• Upper-Intermediate+ English level
• Experience with environment monitoring, health status and alerts monitoring
• Experience tracking against SLO metrics
• Experience with incident management, response, triage, and root cause analysis
• Experience documenting incidents as part of postmortem processes
• Experience with deployment and release support
• Ability to work with DevOps teams on code deployments and ensure environments are operating correctly before and after deployments
• Experience with infrastructure and capacity management, including system scaling, backup & recovery, and patching
• Strong experience with Google Cloud Platform (GCP)
• Experience working with AI LLMs (OpenAI or Anthropic)
• Experience with vector databases
• Availability for 20 hours/week
• Ability to overlap 3–4 working hours with San Francisco timezone (GMT-7)

Responsibilities:
• Monitor environment health status, alerts, and SLO metrics
• Handle incident response, triage, and root cause analysis
• Assist with incident documentation as part of postmortem processes
• Support deployment and release activities together with DevOps teams
• Ensure environments are operating correctly before and after deployments
• Manage infrastructure scaling, backup & recovery, and patching processes
• Work with Google Cloud Platform (GCP), AI LLMs, and vector databases

Senior Go Developer

We are looking for a Senior Go Developer to join our team and work on high-load backend services and microservice architecture.

Responsibilities

• Design, develop, and maintain backend services using Go
• Build and improve scalable microservice architecture
• Work with RabbitMQ for message processing
• Use Redis for caching and fast data operations
• Develop and maintain MongoDB integrations
• Containerize and deploy services using Docker
• Optimize application performance and reliability
• Participate in code reviews and technical discussions

Requirements

• 4+ years of commercial experience with Go
• Strong knowledge of Go and its standard library
• Hands-on experience with RabbitMQ
• Experience with Redis
• Experience with MongoDB
• Solid Docker experience
• Good understanding of microservice architecture
• Experience building high-load / distributed systems
• Experience with REST API and/or gRPC
• Experience with Git and team-based development workflows

Nice to Have

• Experience with Kubernetes
• Experience with PostgreSQL
• Understanding of CI/CD pipelines
• Linux administration skills
• Experience with monitoring and logging systems

Please send your CV and a short description of your experience.

We are an iGaming company with over three years of experience and a team of 1500+ specialists.

Our portfolio includes 30+ successful products operating across Tier 1–3 markets. We actively scale new products and markets, building strong affiliate ecosystems and long-term partnerships.

We are currently looking for a Head of Performance / Acquisition to build and scale user acquisition across Tier 2/3 regions, driving a profitable and sustainable flow of FTDs through multiple traffic channels while ensuring strong ROI and long-term growth.

Responsibilities:

• Own and drive user acquisition performance in Tier 2/3
• Build and scale the acquisition department from scratch (team, structure, processes)
• Ensure stable, profitable, and scalable FTD growth across all traffic channels
• Manage and optimize traffic sources (FB/Meta, Google Ads, UAC, SEO, PPC, affiliates, influencers, streamers)
• Evaluate traffic quality and ROI using BI tools (Power BI)
• Hire, lead, and develop the team, including affiliate managers and Head of B2B
• Negotiate and optimize partnerships (CPA/RevShare/Hybrid deals)
• Develop outbound & inbound strategies to attract new partners
• Collaborate with product team on funnels, landing pages, and A/B tests
• Plan and manage budgets ($300K+ monthly), ensuring efficiency (ROI, CPA, ARPU)

Requirements:

• 5+ years in acquisition marketing within gambling/betting
• 3+ years in a leadership role
• Experience with Tier 2/3 markets
• Proven track record of scaling traffic and building acquisition teams from scratch
• Strong expertise in paid social, Google Ads/UAC, SEO/ASO, affiliate marketing, influencer traffic
• Deep understanding of unit economics and player metrics (FTD, LTV, retention)
• Experience managing large budgets ($300K+/month)
• Strong analytical skills and experience with BI tools
• Excellent negotiation and partnership management skills

Nice to have:

• Own network of webmasters/affiliates in target GEOs
• Upper-Intermediate+ English
• Experience with CJM optimization and product collaboration
• Basic technical knowledge (HTML/CSS/JS)

Why you should consider this opportunity

• Remote-first format: Mon–Fri, 10:00–19:00 (UTC+2) — skip the commute.
• Paid vacation & sick leave, plus an extra day off for your birthday.
• Competitive compensation that fairly reflects your expertise and impact.
• Engaging corporate events to learn, share experience, and grow with like-minded professionals.
• No micromanagement: we trust our team, encourage initiative, and keep a flat hierarchy for fast decisions.
• Ongoing professional development: continuous support to build new skills and advance your career.
• Dynamic work environment: a profitable, forward-thinking company where every specialist plays a key role.

🚀 Join one of the strongest teams in iGaming and unlock your full potential!

We are looking for a Senior Blockchain Backend Developer with strong ownership, hands-on experience, and a passion for building scalable blockchain solutions.

The project is building an internal wallet technology platform for custodial operations across Bitcoin, Ethereum, Solana, and TRON. 

Requirments:

• 4 years of experience with Rust
• Strong understanding of Solana protocol
• Production experience with SPL tokens
• Solid knowledge of ed25519 and SLIP-10 specifics:

• Hands-on experience managing Solana transaction lifecycle

   

Nice to have:

• Experience working on custodial platforms or wallet infrastructure
• Background in high-load financial or blockchain systems
• Experience designing secure signing and transaction execution pipelines

What we offer:

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement

• Free English classes

   

   

Recruitment process:

• Recruitment interview – Technical Interview – Client Interview
   

We are looking for a VFX / Motion Designer (Junior/Middle) to join our media projects. This role goes beyond classic VFX and includes motion design, basic technical tasks, and working with modern AI tools.

You will be involved in creating visual effects, title animations, and preparing video content for final delivery across promo, advertising, and media projects.

Requirements:

• 1+ year of experience in VFX / Motion Design (Junior and Middle candidates are welcome)
• Good knowledge of Adobe After Effects, Photoshop (or similar tools)
• Basic skills in creating visual effects: particles, light, smoke, simple motion graphics
• Understanding of video formats, rendering, and export settings
• Experience with title animation and typography
• Basic understanding of technical workflows/pipelines in video production
• Familiarity with AI tools (for content generation, upscaling, automation) is a strong plus
• Creativity and attention to detail
• Portfolio is a plus

Responsibilities:

• Create and edit visual effects for video content (promo, advertising, media)
• Design and animate titles, subtitles, and motion graphics elements
• Prepare and export final video files according to technical requirements
• Work with the production team to integrate effects into footage
• Support video editors with additional graphics and animations
• Use AI tools to improve workflow efficiency and content quality

We offer:

• Remote work, flexible schedule
• Interesting media and advertising projects
• Opportunity to work with modern tools (including AI)
• Career growth and skill development

We are looking for an Email Compliance Manager to own all communication, ticket management, and compliance coordination with ESPs across a large client portfolio.

You will be responsible for writing, submitting, and managing all interactions with ESP support, compliance, abuse, and deliverability teams. You will act as the strategic communication layer between internal teams and ESPs, ensuring every issue is resolved efficiently and professionally.

You must understand how ESP compliance teams think, how deliverability systems operate, and how to frame communication to achieve optimal outcomes while protecting client accounts.

WHAT WE ARE LOOKING FOR

Must-have

• 3+ years in ESP-side, compliance, deliverability, or direct ESP communications roles
• Strong understanding of ESP compliance systems, abuse handling, and deliverability mechanics
• Exceptional written English (near-native or native level) — writing is your core tool
• Proven ability to manage 30+ clients across different niches simultaneously
• Strong risk identification and problem anticipation skills
• High attention to detail (errors in ESP communication have real consequences)
• Comfortable working flexible hours and across US time zones when required
• Able to operate across all niches without personal or moral restrictions

Nice to have

• Direct experience working inside an ESP (support, compliance, deliverability)
• Familiarity with major ESP internal processes and decision-making systems
• Experience coordinating cross-functional technical or compliance resolutions
• Background in email marketing or marketing operations

WHAT YOU WILL OWN

ESP & Compliance Ticket Management

• Own all ESP ticket submissions and lifecycle management across 30+ clients
• Track, prioritize, and manage all active tickets from open to resolution
• Ensure nothing is lost, delayed, or left without follow-up
• Maintain structured logs of all communications, statuses, and outcomes
• Prioritize tickets based on urgency, compliance risk, and business impact

ESP Communications & Written Strategy

• Write and send all communications to ESP support, compliance, and deliverability teams
• Handle responses to abuse complaints, compliance flags, warnings, and suspensions
• Adapt tone, framing, and strategy based on ESP, issue type, and client context
• Know when to escalate, push back, or concede to protect client accounts
• Ensure all communication is precise, professional, and strategically optimized

Risk & Compliance Management

• Identify deliverability and compliance risks before they escalate
• Understand downstream consequences of every ESP interaction
• Propose mitigation strategies to the Head of Project for high-risk situations
• Stay updated on ESP policy changes, compliance rules, and deliverability trends
• Anticipate issues before they become account-threatening problems

Internal Coordination

• Work closely with email marketers, project managers, and production teams
• Translate ESP requirements into clear internal action items
• Ensure required changes are implemented before responding back to ESPs
• Maintain clear stakeholder communication on all ticket statuses and outcomes
• Follow through until every issue is fully resolved

WHO FITS THIS ROLE

The ideal candidate has worked on the ESP side and understands exactly how compliance and support teams evaluate risk, requests, and sender behavior.

They are a strategic writer who understands that every word sent to an ESP affects outcomes. They can manage a large portfolio of clients without losing track of detail, risk, or urgency.

They are fast, precise, and highly detail-oriented. They think several steps ahead, identifying risks before they become incidents.

They are comfortable working across all niches and understand that this is a behind-the-scenes operational role, not a client-facing or visibility-driven position.

WHO WE ARE

We are a fast-growing operation managing email marketing and deliverability across 30+ clients in multiple niches. We handle all ESP communications and compliance processes on behalf of our clients entirely behind the scenes. The role acts as the final point of contact with email service providers (ESPs), where precision, strategy, and speed directly impact client deliverability and account safety.

This is a high-volume, high-stakes environment. A missed ticket or poorly framed response can result in account restrictions or permanent suspension.

You will report directly to the Head of Project and work closely with internal teams to ensure all ESP issues are resolved end-to-end.

Flexible availability is required. ESP compliance issues do not follow business hours.

We are looking for a Senior Full Stack Developer with strong experience in Java and React to join an enterprise-level project in the e-government domain. The project is built around a microservices architecture and uses Google Cloud Platform (GCP) as the main cloud environment.
The ideal candidate should have solid backend expertise in Java, good frontend experience with React, and practical understanding of cloud-based, scalable systems. Experience with enterprise applications, public sector / e-government platforms, or complex distributed systems would be a strong advantage.
Technology stack: Java, React, GCP, microservices
Domain: enterprise / e-government
Priority: candidates with stronger Java/backend background preferred.

Chief Financial Officer (CFO)

We are a fast-growing fintech company with over 8 years of experience building financial infrastructure for digital advertising businesses. We provide solutions that help media buyers and advertisers run campaigns efficiently and without interruptions.

We are seeking a strategic and hands-on Chief Financial Officer to lead the financial function across multiple international entities. This role suits someone who combines high-level strategic thinking with a solid operational foundation in accounting and reporting.

Responsibilities:
 

• Partner with the CEO and COO to shape business strategy and financial planning
• Provide the board with monthly and yearly financial analysis based on reporting to guide strategic direction
• Own reporting, invoicing, and reconciliation logic
• Develop dashboards and automate ongoing data analysis for real-time visibility in close collaboration with the product and engineering teams (proven experience applying solutions is a strong advantage)
• Manage legal entities across the globe (with focus on Europe and the US)
• Manage relationships with auditors, tax advisors, banks
• Manage multi-currency operations, treasury, and cash flow across jurisdictions
• Work with banks, payment systems, financial regulators
• Identify and manage financial risks, inefficiencies, and growth opportunities
• Lead the finance team of 5+ people including setting clear KPIs and ensuring professional development plans are followed through
• Establish efficient communication processes within the finance team and across other departments
   

Requirements:

• 8+ years of experience in finance, with prior experience in a Head of Finance or CFO role
• C1+ English level
• Strong expertise in financial modelling, reporting, and strategic planning across multiple international entities
• Background in SaaS, fintech, or a high-growth tech company is strongly preferred
• Proven experience of efficient managing and developing finance teams - from hiring to following personal development plans
• Experience with automation opportunities in finance operations
• Proven ability to implement scalable systems and lead through periods of growth or change
• Strong communication and people management skills – able to inspire a team while engaging the board
• Comfortable operating in a fast-moving, entrepreneurial environment
   

Nice to have:

• Hands-on experience with AI tools in a finance context
• Hands-on experience with automations (workflows, dashboards)

What we offer:

• Remote work from anywhere
• Full-time
• Unlimited paid vacation days
• 10 paid sick days
• English classes
• Presents from the company

On behalf of our Client from Japan, Mobilunity is looking for a Scala Engineer.

Our client is a fast-growing fintech company based in Tokyo that offers its real-time monthly consolidated credit service all across Japan. Our client started Japan’s first instant post-pay credit service for e-commerce customers in October 2014. The main product is an online payment platform which requires no pre-registration or credit card to use; via this service the customers can purchase products online using only a mobile phone number and email address and settle a single monthly bill for all their purchases, either at a convenience store, by bank transfer or auto debit. Customers can use credit funds during a month and then return the balance to zero without paying credit interests.

This service also supports multi-pay installments and subscriptions. There are currently over 4 million accounts in use. This service got the largest investment to date in the Japanese financial tech industry, including PayPal Ventures investment.

Tech Stack: Scala, Java, Go, Apache Kafka, Apache Spark, Design Patterns, Docker, GitHub, Gradle, Hibernate, Jenkins, Jira, JUnit, Linux, Maven, MySQL, Redis, REST, Spring, Spring Boot, Spring Data, Spring MVC, Spring Web, Activiti, HBase, JBehave, Lombok.

Key  Responsibilities:

You will be responsible for developing and scaling their payments platform while meeting the highest standards in terms of security, maintainability and resilience to failure. You will meet regularly with the product team to align software delivery with business goals. With the help of your team members, you will come up with software design tradeoffs and communicate them clearly to other engineers as well as product team members to implement mutually agreed-upon solutions. You will also have the opportunity to work cross functionally in feature teams to deliver product features and services. In addition to regular deliverables expected of the engineering team, you are expected to follow and stay current with industry best practices such as writing automated tests and taking part in regular code reviews to ensure quality code at its highest possible standards.

Requirements:

• Solid experience with Scala, Functional Programming and the Typelevel ecosystem
• Experience with Akka Cluster, Cassandra, Redis, Elasticsearch, Kafka
• Understanding of software architecture and design with the ability to align the overall service architecture
• Experience with building distributed systems, scalability and high throughput software
• Experience with maintaining and further developing existing code bases
• Comfortable with knowledge sharing, working on a team and building relationships
• Ability to define task outlines and deliverables, demonstrate a sense of urgency when required and manage some ambiguity and exercises good judgment when needed
• Ability to give and receive constructive feedback tactfully upstream and downstream
• Excellent communication skills, ability to interact effectively with multidisciplinary teams
• Level of English – Upper-Intermediate and higher

Nice to have:

• Experience with Event Sourcing and CQRS
• Understanding of JVM internals and performance optimization
• Experience with CircleCI, AWS, Fargate, Terraform, Datadog
• Experience working on a payment platform or other fintech field

In return we offer:

• The friendliest community of like-minded IT-people
• Open knowledge-sharing environment – exclusive access to a rich pool of colleagues willing to share their endless insights into the broadest variety of modern technologies
• Paid vacations and sick leaves, including 5 paid days per year that don’t require a sick note
• English classes in 1-to-1 & group modes with elements of gamification
• Neverending fun: sports events, tournaments, music band, multiple affinity groups

🌿 About the company

We are a fast-growing D2C skincare brand operating in the US, Canada, and the UK. We have been in business for five years, selling through our website, Amazon marketplaces, and TikTok Shop, and scaling fast.
Our products are built around quality, trust, visible results, and a premium customer experience. We are now looking for the person who can build our content and creative growth engine.

🚀 About the role

This is not a traditional “make pretty posts” role. The company is looking for someone who understands how content drives attention, trust, conversions, and revenue.
Your mission will be to build and run a high-volume creative growth engine that helps scale TikTok Shop, improve paid ad performance, grow social channels, and turn content into a measurable revenue driver.
You will own the full creative process — from research and creative angles to scripts, creator briefs, editor briefs, final assets, launch, performance analysis, and iterations.

🔥 Who we are looking for

We are looking for someone proactive, commercially-minded, and highly ownership-driven who thrives in a fast-paced environment.
You will be a strong fit if you:
✔️ Think one step ahead and pay attention to details
✔️ Take ownership of outcomes, not just tasks
✔️ Work proactively without constant direction
✔️ Continuously improve and study winning creatives, customer psychology, AI tools, and performance data
✔️ Solve problems quickly and independently
✔️ Create momentum across creators, editors, media buyers, and agencies
This role is ideal for someone who enjoys building systems, moving fast, testing ideas, and driving measurable growth through creative strategy and content performance.

🕒 Working conditions

✔️ Full-time role
✔️ Standard 5-day working week
✔️ Fully remote
✔️ Preferably aligned with the UK time zone


✅ Requirements

🔹 D2C ecommerce experience is a must
🔹 Experience working with physical consumer products and their online promotion
🔹 Experience writing paid ad scripts
🔹 Strong understanding of Meta creative testing
🔹 Strong understanding of TikTok, UGC, and short-form content
🔹 TikTok Shop experience would be a strong plus
🔹 Experience growing a brand, product, page, or ad account through creative strategy
🔹 Experience managing UGC creators and video editors
🔹 Ability to turn customer pain points, objections, reviews, and product benefits into strong creative angles
🔹 Understanding of content that converts, not only content that looks visually appealing
🔹 High level of autonomy and ownership
🔹 Ability to move fast without sacrificing quality
🔹 Comfortable being measured by performance and results
🔹Fluent or conversational English


📌 Responsibilities

🔸 Creative strategy: Build the weekly and monthly creative strategy across TikTok, Instagram, YouTube Shorts, Meta ads, TikTok ads, Amazon video ads, TikTok Shop content, advertorials, and listicles.
🔸 Paid ad creative: Write and develop high-performing scripts for Meta ads, TikTok ads, Amazon video ads, and AI-assisted UGC videos.
🔸 TikTok Shop growth: Create a system for bulk TikTok Shop content, creator briefs, affiliate-style videos, product education videos, objection-handling videos, and conversion-led short-form content.
🔸 Organic social growth: Build the content plan to grow Instagram, TikTok, and YouTube Shorts with content that creates attention, trust, authority, and buying intent.
🔸 UGC and creator workflow: Brief UGC creators clearly, review raw footage, direct editors, and create a smooth production process from idea to final asset.
🔸 Performance feedback loop: Work closely with the media buyer to understand what creatives are converting, what is failing, and what needs to be tested next.
🔸 AI-assisted creative production: Use AI tools to speed up research, ideation, scripting, competitive analysis, AI UGC concepts, and creative variation testing without producing generic content.


⭐ Nice to have

➕ Skincare, beauty, wellness, or premium consumer brand experience
➕ TikTok Shop experience
➕ Amazon video ads experience
➕ Experience with advertorials/listicles
➕ AI-assisted creative workflow experience
➕ Experience working with US, UK, and Canadian markets
➕ Strong understanding of compliance-sensitive categories


🎁 What you get

🌿 A central role in a fast-growing D2C skincare brand
🚀 Ownership of a major growth function, not just task execution
📈 A clear path to Head of Creative or Head of Growth based on performance
💰 Competitive base compensation
🎯 Performance-based bonus/variable pay tied to creative output, TikTok Shop growth, paid creative performance, and social growth
🌍 Remote work with a global team
🧠 The chance to build a real creative growth engine across paid ads, organic social, TikTok Shop, Amazon, and UGC
⚡ A high-performance environment where speed, quality, ownership, and resourcefulness matter

🔥We are not looking for someone to follow a system — we are looking for someone to build it.

If you’re the kind of person who turns ideas into execution, testing into growth, and content into revenue — we want to see your work and build success together.

We're AI company building products for international markets. The team is small, decisions happen fast, and every person has a real impact on outcomes.

We're looking for an organized and proactive person who wants to grow in tech and is ready to take ownership of operational and project coordination alongside the CEO. This isn't a "run errands" role — it's a genuine launchpad into a Project or Operations Manager career at an international AI product company.

What you'll be doing: 

— Managing the CEO's calendar, schedule, and meetings

— Tracking tasks, deadlines, and project statuses across the team — Business communication with partners and contractors (EN/UK) — Organizing travel, logistics, and internal operations 

— Document and financial workflows — reports, invoices, contracts

What we're looking for: 

— Confident with Google Workspace 

— English B2+, Ukrainian fluent 

— Structured thinking and strong attention to detail 

— Genuine interest in AI tools and automation 

— 1+ year of relevant experience or strong motivation to grow fast

What you'll get: 

— Direct daily communication and mentorship from the CEO 

— Real involvement in an international AI business from week one 

— A clear growth path to Project / Operations Manager 

— High autonomy and trust 

— no micromanagement 

— Hands-on experience no course can give you

Role: QA Manual Tester

Company: Procimo (Portugal)

Format: Remote · Full-time · Contractor

About Procimo

Procimo builds industrial real-time location systems (RTLS), and machine data integrations across Europe.
 

We’re growing fast and need a QA Manual Tester to help us deliver with higher quality and fewer bugs.

This role is perfect for someone who loves testing, documenting flows, and catching issues before they reach production.

What You Will Do

• Manually test web applications, dashboards, and user flows
• Document bugs clearly and reproduce reliably
• Validate new features before release
• Do smoke-testing for production deployments
• Support dev teams during sprint cycles
• Ensure consistent quality across RLTS, Machine Monitoring, and integrations
• Maintain simple test cases and checklists

No automation required — purely manual testing.
 

Requirements

• 2–3 years experience as a QA Manual Tester
• Strong attention to detail
• Ability to break things and document findings clearly
• Experience testing web applications (UI + API)
• Basic understanding of REST APIs is a plus
• Good English for conversation, reading documentation and writing bug reports
• Reliable, structured, proactive communicator

Nice to Have

• Experience in IoT, industrial systems, dashboards, or B2B SaaS
• Experience with tools like Postman, Jira/ClickUp, or similar
• Knowledge of regression testing principles

What We Offer

• Fully remote
• Contractor role
• Long-term stability
• Work across 2–3 product areas (RLTS, Machine Monitoring, custom integrations)
• Clear processes and fast iteration cycles
• Work with senior engineers and tech leads

Ми будуємо власний CDN Edge сервер (ccdn-edged) — високопродуктивний демон на Go, що обробляє живий трафік через HTTP/1.1, HTTP/2 та HTTP/3 (QUIC). Це не черговий REST API. Це системне програмування: реверс-проксі, мережевий стек, оптимізація затримок, WAF, in-memory кешування і Edge Functions.

Шукаємо інженера, який розуміє як насправді працює HTTP, знає різницю між goroutine scheduler і OS thread, і якому цікаво копатись у кишках мережевих систем.

Технологічний стек

Мережевий шар:

    •    HTTP/1.1 & HTTP/2 — stdlib
    •    HTTP/3 / QUIC — quic-go
    •    Reverse Proxy — httputil + fasthttp
    •    TLS Fingerprinting

Безпека:

    •    Coraza WAF — інспекція трафіку
    •    TLS Client Identification
    •    Rate Limiting / Bot Detection

Стан та кеш:

    •    Redis — конфігурація зон, хостів, сертифікатів
    •    In-memory кеш об’єктів

Observability:

    •    VictoriaMetrics / Prometheus
    •    zerolog — structured logging
    •    Access logs via Unix-сокети
    •    Goja — JS Edge Functions (ES5.1+)

Середовище: Go 1.26, GOEXPERIMENT=jsonv2,greenteagc,synchashtriemap

Що обов’язково знати:

    •    Go 3+ роки в продакшені — goroutines, channels, sync primitives, memory model
    •    Глибоке розуміння HTTP/1.1, HTTP/2 (framing, multiplexing, flow control)
    •    Досвід написання реверс-проксі або мережевих серверів / клієнтів
    •    Розуміння TLS — handshake, certificates, ALPN, SNI
    •    Профілювання Go: pprof, trace, heap / goroutine dumps
    •    Робота з low-latency системами — буфери, zero-copy, escape analysis
    •    Redis: структури даних, pub/sub, pipeline

Буде плюсом:

    •    Знайомство з QUIC / HTTP/3 (RFC 9000, 9114)
    •    Досвід із fasthttp або іншими high-perf HTTP бібліотеками
    •    Розуміння WAF / ModSecurity rule engine
    •    Embedded JS runtime (Goja / V8 / QuickJS)
    •    Знайомство з VictoriaMetrics або Prometheus internals
    •    Досвід у CDN, DDoS-захист або edge computing

Важливо

Ця роль не підходить тим, хто спеціалізується виключно на REST API або бізнес-логіці. Тут потрібно розуміти, що відбувається на рівні TCP-з’єднання, як передаються фрейми HTTP/2 і чому zero-copy важливий для пропускної здатності. Якщо тебе цікавить «як все влаштовано зсередині» — ти потрібен нам.

Що ти будеш робити

    Розробляти та підтримувати ядро CDN Edge демона (ccdn-edged)
    •    Оптимізувати проксування трафіку — затримки, throughput, з’єднання
    •    Інтегрувати та налаштовувати WAF (Coraza) під реальний трафік
    •    Розвивати Edge Functions runtime на базі Goja
    •    Проектувати схеми кешування (L1 in-memory + L2 Redis)
    •    Писати benchmark-тести та профілювати критичні шляхи
    •    Брати участь у code review та архітектурних рішеннях

Умови роботи

    •    Повна зайнятість, Remote або Relocate
    •    Конкурентна зарплата — обговорюється на інтерв’ю
    •    Технічне завдання замість leetcode-тестів
    •    Невелика команда, прямий вплив на архітектуру
    •    Сучасний стек без legacy-обмежень
    •    Реальний high-load трафік з першого дня

We are looking for a QA Engineer to own and improve the quality assurance process for the Colombia market. This role requires deep understanding of the local user experience, payment ecosystem, mobile providers, and regional product behavior.

Important: we are considering only candidates who are currently physically located in Colombia. The role requires testing the product from a real local user perspective using Colombian devices, networks, payment methods, and providers.

In this role, you will be responsible for testing critical user flows, identifying issues affecting player experience, and ensuring the stability of key product areas including casino, sportsbook, payments, bonuses, registration, and communications.

You will work closely with Product, Tech, Payments, CRM, and Support teams to detect, report, and help resolve issues that directly impact conversion, retention, and revenue.

Responsibilities

• Perform regular testing of core user flows across casino and sportsbook products
• Validate registration, login, deposits, withdrawals, bonuses, betting flows, and game functionality
• Conduct regression testing after releases, payment updates, domain changes, or product modifications
• Monitor website performance, loading speed, and platform stability across devices and browsers
• Test SMS and email deliverability with local Colombian providers and email services
• Investigate and reproduce issues reported by customer support
• Document bugs with clear reproduction steps, screenshots/videos, business impact, and priority levels
• Escalate critical issues affecting revenue, conversion, payments, or user access
• Perform competitor analysis and provide insights on UX, onboarding, payments, bonuses, and localization
• Maintain QA documentation including checklists, test cases, reporting templates, and testing instructions
• Collaborate with cross-functional teams and verify fixes after implementation

• Provide recommendations to improve UX, conversion, and overall product stability

   

Requirements

• Currently living in Colombia and able to test the product from the local market environment
• 2+ years of experience in QA, preferably in iGaming, betting, or high-traffic digital products
• Strong understanding of casino, sportsbook, payments, and bonus mechanics
• Experience with manual testing of web and mobile platforms
• Ability to identify, reproduce, and clearly document bugs
• Understanding of regression testing and user flow validation
• Experience working with different browsers, devices, and mobile networks
• Analytical mindset with strong attention to detail
• Ability to prioritize critical issues and work independently
• Strong communication skills and ability to collaborate with multiple teams
• English proficiency at Intermediate level or higher
• Experience with the LATAM or Colombian market will be a strong advantage

As a member of our team, you will also enjoy the following benefits:

• Paid Vacation: 21 working days of paid vacation per year.
• Sick Leave: 25 paid sick days per year — no medical certificate required.
• Personal Days Off: 3 paid personal days off per year — just for rest and balance.
• Sports benefits.
• Medical reimbursement.
• Flexible working conditions: You can discuss with your manager the balance between remote and in-office work that suits you best.
• Professional Development: a dedicated budget of $600 per year to support your continuous learning — seminars, courses, and conferences included.
• Business Trips: including visits to our main office in Cyprus and participation in international industry conferences — a chance to connect with the team in person and stay on top of key market trends.

Mail Wizards is an email marketing agency that works with ecommerce brands to increase their revenue through email. We're looking for a Klaviyo Project Manager to take full ownership of client accounts and drive measurable results.

What you'll do: 

- Manage Klaviyo accounts end-to-end for multiple ecommerce clients - Own key metrics: open rate, click rate, conversion rate, submit rate 

- Run A/B tests and execute data-driven hypotheses 

- Brief and manage copywriters and designers 

- Maintain and improve email deliverability (inbox placement, domain reputation, spam rate) 

- Communicate directly with agency founders

What we offer: 

- Competitive pay 

- All tools and subscriptions provided 

- Work directly with C-level 

- Growth potential within the agency 

- $2,000/year learning & development budget