Jobs at Djinni

We are looking for a senior C++ engineer to build a high-performance service for streaming large scientific and engineering datasets.

This is not a conventional CRUD backend role. You will work on asynchronous networking, HTTP/3 and QUIC, object-storage range reads, binary data transfer, native library integration, request scheduling, and bounded-memory data pipelines.

What you will do

• Design and implement the data-streaming service in modern C++.
• Build persistent HTTP/3 and QUIC-based client-server communication.
• Stream selected regions of large datasets without downloading complete files.
• Integrate with S3-compatible object storage and native data-processing libraries.
• Implement asynchronous request scheduling, prioritisation, cancellation, retries, caching, and backpressure.
• Design stable binary and JSON interfaces between independently developed components.
• Implement token-based authentication and fine-grained access control.
• Optimise memory allocation, copying, concurrency, and end-to-end throughput.
• Add metrics, tracing, load testing, and failure recovery.
• Collaborate with visualisation, machine-learning, backend, and systems engineers.

What we are looking for

• Strong production experience with modern C++17/20.
• Experience building high-throughput, low-latency, or data-intensive systems.
• Strong understanding of asynchronous and concurrent programming.
• Good knowledge of networking, HTTP, TLS, and binary protocols.
• Experience with streaming I/O, byte-range access, buffering, caching, and memory management.
• Practical knowledge of S3, MinIO, Ceph, or similar object-storage systems.
• Strong debugging, profiling, and performance-optimisation skills.
• Experience designing reliable APIs and component boundaries.
• Familiarity with Linux systems programming and production service operation.

Nice to have

• Experience with HTTP/3, QUIC, WebTransport, or high-performance RPC.
• Experience with zero-copy or low-copy data paths.
• Experience integrating C++ libraries with Python
• Familiarity with CUDA or GPU-oriented data pipelines.
• Background in distributed storage, databases, CDNs, filesystems, media streaming, HPC, or scientific visualisation.
• Experience with OAuth, OIDC, JWT, and capability-based access.
• Knowledge of Kubernetes and OpenTelemetry.

We are an international fintech company that has been operating in the Spanish online lending market since 2025. We are looking for a Meta / Facebook Ads Specialist who will be responsible for launching, optimizing, and scaling advertising campaigns in Meta Ads (Facebook / Instagram) for our mobile application.

We are looking for a specialist who understands the full user journey — from the first ad impression on Meta / Facebook through installation, registration, key in-app events, and the final business result.

What we offer:

• Competitive salary with the opportunity for salary reviews based on your performance and results.
• Fully remote work.
• The opportunity to work with our own mobile product and directly contribute to its growth and scaling.
• Access to modern analytics, tracking, and automation tools.
• Direct collaboration with marketing, analytics, design, and development teams without unnecessary bureaucracy.
• The opportunity to test new approaches, scale successful advertising campaigns, and implement your own ideas.
• A results-driven team focused on fast decision-making and professional development.

Responsibilities:

• Launch, optimize, and scale advertising campaigns in Meta Ads / Facebook Ads (Facebook and Instagram).
• Promote our mobile application through Meta Ads and Facebook Ads, focusing on installations, registrations, and subsequent target user actions.
• Analyze the full user funnel: impression → click → installation → registration → target action.
• Optimize Meta Ads / Facebook Ads campaigns based on in-app events.
• Monitor and improve key performance metrics: CPI, CPA, CAC, CPE, ROAS, LTV, Retention, ARPU.
• Work with AppsFlyer or Adjust and ensure accurate event tracking between the application, MMP, and Meta.
• Test new audiences, creatives, offers, and advertising strategies in Meta Ads / Facebook Ads.
• Analyze traffic quality, identify growth opportunities, and scale successful campaigns.

• Prepare regular reports and collaborate with development, design, and analytics teams.

   

Requirements:

• 2+ years of experience working with Meta Ads / Facebook Ads.
• Hands-on experience promoting mobile applications through Meta (Facebook / Instagram).
• Experience with AppsFlyer or Adjust is required.
• Experience in performance advertising.
• Experience working in highly competitive or “grey” verticals: fintech, lending, loans, crypto, gambling, betting, or related industries.
• Hands-on experience launching Meta / Facebook Ads campaigns focused on installations, registrations, and subsequent conversions.
• Understanding of Meta SDK, Meta Pixel, Conversion API, and mobile attribution principles.
• Experience optimizing Meta Ads / Facebook Ads campaigns based on in-app events.
• Strong understanding of key performance metrics and the ability to analyze mobile traffic quality.
• Strong analytical thinking, independence, and a results-oriented mindset.

Tools:

• Meta Ads Manager
• Facebook Ads
• Meta Events Manager
• Facebook / Instagram
• AppsFlyer or Adjust
• Firebase
• Google Analytics 4
• Looker Studio, Power BI, Metabase, or similar BI systems
• Excel / Google Sheets
• Keitaro, Binom, RedTrack, or other trackers

• CRM and internal analytics systems

   

Nice to have:

• Experience in fintech, lending, payday loans, or MFOs.
• Experience promoting Android APKs or PWAs.
• Hands-on experience buying mobile traffic through Meta / Facebook Ads.
• Understanding of SKAdNetwork, ATT (App Tracking Transparency), and iOS attribution specifics.
• Experience with A/B testing creatives and scaling advertising accounts.
• Experience managing large advertising budgets.
• Understanding of post-conversion metrics: approve rate, retention, LTV, repeat loans, or repeat purchases.

About the Role

INSTYTUTUM is a Swiss high-performance skincare brand scaling globally across the U.S., Europe, and the Middle East.

We are looking for a Creative Producer with a game-changing mindset — someone who doesn’t just create content, but builds high-converting creative systems that drive growth.

This is not a traditional content role.
This role sits at the intersection of creative strategy, performance marketing, and production.

🔥 What You Will Own

Creative Strategy & Production

• Develop bold, high-impact creative concepts for the U.S. market
• Own the full lifecycle of performance creatives: from idea → production → testing → scaling
• Turn skincare science into compelling, conversion-driven storytelling
• Create and oversee short-form video content (TikTok, Reels, YouTube Shorts)
• Generate hooks, angles, and narratives that capture attention and convert

Performance & Growth

• Build and scale creative-driven acquisition funnels
• Produce performance creatives for paid channels (Meta, TikTok, Google, YouTube)
• Work closely with media buyers to test, analyze, and scale winning creatives
• Continuously run creative experiments (A/B testing, iterations, new formats)
• Optimize content for conversion across ads, landing pages, and retention flows

Creative Systems & Scaling

• Build a repeatable system for creative testing and scaling
• Work with UGC creators, designers, and editors to produce high-volume creatives
• Identify trends, insights, and opportunities in the U.S. digital landscape
• Balance speed, volume, and quality in content production

🎯 What We’re Looking For

• 3–5+ years in creative strategy / performance marketing / content production (with performance focus)
• Proven experience creating ad creatives for paid social (Meta, TikTok)
• Strong understanding of creative testing, hooks, and conversion mechanics
• Experience working with U.S. market or global products
• Hands-on experience with short-form video and UGC formats
• Ability to combine creative thinking with data-driven decisions
• Background in IT product / mobile apps / DTC / beauty / wellness is a strong plus
• English: Upper-Intermediate+

❌ Not a Fit If

• You focus only on brand/content without performance metrics
• You have no experience with paid acquisition creatives
• You are looking for freelance / consulting / part-time work

💎 What We Offer

• Competitive above-market salary
• Official employment from day one
• 30 calendar days of paid vacation + sick leave
• Remote / hybrid format with Kyiv office option
• Strong onboarding and support
• Opportunity to build and scale a global creative engine from scratch

If you think in hooks, test ideas daily, and scale what works — we should talk.

We’re a 100+ people product company looking for an experienced HR professional to take ownership of the people function and help us scale thoughtfully.

There’s already a solid foundation: an HR Operations / People Partner Manager and a Recruiter are part of the team, and HR processes are up and running. What we need now is someone to elevate the function - act as a strategic partner to leadership, sharpen our people practices, and bring both big-picture thinking and hands-on execution.

What You’ll Be Doing
▸ Partner with middle and senior managers to translate business goals into HR strategies and concrete actions
▸ Use HR metrics and analytics to support decision-making and drive data-informed conversations at all levels
▸ Support organizational design: structure, role definitions, workforce planning
▸ Contribute to job architecture - leveling, grading, and KPI frameworks
▸ Own the full employee lifecycle: onboarding, performance management, development, internal mobility, and offboarding
▸ Develop and maintain HR policies and processes that work for the business, not just for compliance
▸ Coach and guide managers on people management, employee relations, and HR processes
▸ Identify organizational challenges early, propose practical solutions, and follow through on implementation
▸ Lead and contribute to HR projects end-to-end - from design to delivery
▸ Collaborate closely with the FinOps Manager on payroll, accruals, and compensation-related matters
▸ Work in tight coordination with the HR Operations / People Partner Manager and Recruiter to keep the people function running smoothly and consistently

What We’re Looking For
▸ 5+ years in HR, with 2+ years in an HR Business Partner or HR Lead capacity
▸ Proven experience working directly with middle and senior management
▸ Background in international or multicultural environments
▸ Strong expertise in Performance Management and the full Employee Lifecycle
▸ Experience navigating complex ER situations - conflicts, retention challenges, and offboarding
▸ Confident working with HR data: metrics, reporting, analytics - you bring evidence to the table, not just instinct
▸ English B2+ (used in daily work)
▸ Kyiv-based (preferred)
▸ ✦ PLUS: Familiarity with Ukrainian employment specifics - gig contracts, PE arrangements and military registration

Who Will Thrive in This Role
You enjoy working at the intersection of business, leadership and people. You’re comfortable building and improving processes, can navigate ambiguity, and know how to move between strategic thinking and day-to-day execution without losing momentum.

About the company

Turning marketing into a market-domination weapon, we created a new category — the marketplace for future customers. Businesses shop for leads as they shop for products in e-commerce: you see everything about a lead before you buy — full transparency, control, and predictable outcomes. We're the #1 lead marketplace in the USA, and we're accelerating.

Role overview

We're looking for a Funnel Strategist to own the top of our acquisition engine. You build, test, and optimize funnels that turn cold traffic into qualified leads and booked calls — not maintain a handful of landing pages. Our growth is not limited by ad budget; it's limited by how fast we can ship new funnels, hooks, offers, and angles. Your job is to remove that ceiling.

We're about to significantly scale paid spend. Every funnel you ship either compounds that spend into revenue or exposes where it leaks — no in-between.
 

Requirements:

3+ years building high-converting funnels and landing pages in a direct-response environment, with real revenue attached to your work.

Deep understanding of direct-response marketing and conversion psychology — you can name why a page converts, not just that it does.

Hands-on with funnel builders like ClickFunnels, GoHighLevel, Webflow, or equivalent — you build, you don't brief.

Working knowledge of Meta Ads, Google Ads, and core funnel metrics (CPL, CPA, CVR, CAC, ROAS) — you optimize with traffic teams, not around them.

Shipped and analyzed A/B tests where the result actually changed the next decision.

Strong copywriting for landing pages, lead magnets, and hooks — sharp, benefit-driven, no fluff.

English C1+; our market is US-based and every headline, hook, and CTA must land with American buyers.

AI-first by default — if you are not using AI to 3x your funnel, copy, and asset output, you will be behind.

High ownership and strong decision-making in ambiguous, fast-moving environments.

What You'll Be Doing:

Build complete funnels from scratch — opt-in pages, lead magnet flows, webinar/VSL funnels, call-booking funnels, and follow-up sequences — end-to-end, not in pieces.

Create and test new marketing angles, hooks, and offers on a continuous cadence, not in quarterly batches.

Develop lead magnets that convert cold traffic into qualified leads the sales team actually wants to call.

Build funnels that consistently generate booked calls for sales, and own the number — not just the pages.

Reverse-engineer competitor funnels weekly, identify what's working, and ship an improved version before the trend cools.

Adapt proven funnel concepts from adjacent industries into our market instead of reinventing from zero.

Launch experiments fast, analyze performance with the traffic team, kill weak ideas without ego, and scale winners aggressively.

Pair tightly with paid media, sales, and design — no over-the-wall handoffs; you stay in until the funnel is live and measured.

Track CPL, CVR, show rate, and booked-call rate per funnel and know which lever to pull before it becomes a problem.
 

This is not for you if

You maintain a few landing pages and call it a funnel strategy.

You need a brief, a designer, and a developer before you can ship anything.

You've never watched your own funnel burn ad spend in real time and had to fix it same-day.

You call yourself a "growth strategist" but have never built a page yourself.

You want to A/B test button colors instead of offers, hooks, and mechanisms.

You want the winning angle handed to you — finding it is the job.
 

What we expect from you (first 3 months)

We don't do long onboarding: access on day one, context in days, a live funnel in week one.

End of week 1: you have audited every live funnel, mapped current CPL and booked-call economics end-to-end, and identified the top 5 leaks with evidence.

End of month 1: you have shipped your first new funnel from scratch, launched at least 3 angle/hook/offer tests against the current control, and killed or scaled based on results.

End of quarter 1 (the bar): at least one new funnel is beating the control and running on scaled paid spend, a competitor-informed funnel is live, and the concept-to-live-funnel turnaround is established at under 7 days.
 

Nice to Have:

Experience in lead generation, marketplace, real estate, coaching, or high-ticket B2C/B2B funnels.

Track record scaling paid spend profitably alongside a media buyer, not just optimizing organic.

Experience with VSLs, webinars, and long-form direct-response mechanisms.

Familiarity with AI-driven copy, page generation, and creative iteration workflows.

Design sensibility strong enough to ship a clean page without waiting on a designer.
 

What We Offer:

Impact: Own the funnel layer of a product-led, AI-powered marketplace where your work directly compounds paid spend into revenue.

Autonomy: High ownership, low bureaucracy, and real authority over funnel direction and testing roadmap.

Flexibility: Remote-first culture with flexible hours and async-friendly communication. 4+ hour overlap with Asia/Dubai required for weekly reviews.

Compensation: Competitive fixed base salary above the market average.

Team: Join a smart, passionate team that moves fast, supports each other, and builds cool stuff.

Time Off: 15 paid vacation days plus 5 paid sick days annually.

Growth: Unlimited learning policy — paid courses, books, and growth resources.

AI-Heavy Environment: AI is deeply embedded across prospecting, research, and workflows.

Ownership: Real decision-making power and direct ownership of your outcomes.

Location: Ukraine (Remote), 4+ hour overlap with Asia/Dubai