Jobs at Djinni
8085
Senior Ruby on Rails developer (Typescript)
Simplify
$$$
Full Remote
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Worldwide
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8 years of experience
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English - B2
We're looking for a Senior with 8+ years of experience with a strong knowledge of both Ruby on Rails and Typescript.
Senior Ruby developer ASAP
(Please, send candidates only with the relevant skills specified in the white label CVs!)
FTE: Full time (40 h per week)
Timeline: 3-6 months (tbd)
Start: ASAP
English: B2
Recruitment process: a tech check with us, then an interview with the client
Requirements:
A Full-Stack Craftsman: You are an expert in Ruby on Rails and TypeScript, capable of building...
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95 views
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14 applications
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17d
Data Scientist
ALLSTARSIT
Responds Quickly
$$$$
Full Remote
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Countries of Europe or Ukraine
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4 years of experience
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English - B2
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Security
Our Client is a cybersecurity software company that specializes in network and cloud security policy management and automation. It's platform helps large enterprises visualize, automate, and enforce consistent security policies across complex hybrid environments β including firewalls, cloud services, SASE, SD-WAN, and microsegmentation β while ensuring compliance and reducing risk.
Position Description:
This role combines excellent technical skills, driving multidisciplinary Data Science initiatives...
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79 views
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12 applications
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17d
Senior QA Engineer (Blockchain and crypto only)
Codemotion
$$$$
Full Remote
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Worldwide
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7 years of experience
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English - C1
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Blockchain / Crypto
We are looking for a strong Senior QA Engineer with solid experience in crypto processing and blockchain-based payment systems. Experience with major networks such as Solana, Tron, Litecoin, and Bitcoin is very important. The ideal candidate should have hands-on experience testing complex web applications, crypto transaction flows, wallet operations, deposits, withdrawals, confirmations, edge cases, API integrations, and business-critical financial systems. Strong knowledge of OpenAPI testing, webhook...
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68 views
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14 applications
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17d
Head of Media Buying
TrueGroup
$$$$
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
Β·
English - B2
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Gambling
We are looking for an experienced Head of Media Buying to join our team. In this role, you will lead and scale performance marketing operations across Tier-1 European markets, driving user acquisition, profitability, and sustainable growth. If you are passionate about performance marketing, data-driven decision-making, and building high-performing teams, we would love to hear from you!
HOW YOU WILL MAKE AN IMPACT
You will develop and execute media buying strategies across Tier-1 European markets;
You will...
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22 views
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6 applications
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17d
Senior Data Engineer
Luxoft
$$$$
Full Remote
Β·
Ukraine
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8 years of experience
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English - B2
Join the Data Engineering team to contribute to the ongoing maintenance and improvement of an internal assistant that uses hosted APIs and internal knowledge sources, with a focus on reliability, retrieval quality, and operational excellence.
Responsibilities:
β’ Maintain and enhance ingestion/enrichment pipelines for internal content (parsing/extraction, normalization, metadata enrichment, deduplication, and quality monitoring)
β’ Implement and maintain access-aware retrieval by propagating/enforcing...
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24 views
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0 applications
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17d
Software Engineer
AppsFlyer
$$$$
Hybrid Remote
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Ukraine
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3 years of experience
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English - B2
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Advertising / Marketing
The DataOS team at AppsFlyer is building and operating a reliable, high-scale data platform that powers analytics and product capabilities across the company.
We process more than 150 billion events per day and manage petabyte-scale historical data. Our team owns much more than a traditional βdata lakeβ β including schema management, ETL pipelines, and interfaces to and from storage.
If youβre excited by scale, ownership, and building production-grade data systems, weβd love to meet you.
Tech stack...
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22 views
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0 applications
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17d
DevOps Engineer (Middle+/Senior)
VEN Commerce Ltd
$$$$
Full Remote
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EU
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4 years of experience
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English - B2
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SaaS
We are looking for a Middle or Senior DevOps Engineer to join our team. We are currently managing a dual infrastructure environment that includes both microservices and modular monolith architectures.
Your primary focus will be ensuring the stability of our current production engine while simultaneously preparing and configuring the infrastructure for our new system. This role is about maintaining high operational standards, ensuring everything is "trackable", and taking full ownership of our security...
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97 views
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28 applications
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17d
Account Manager
PayAdmit
$
Full Remote
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Worldwide
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1 year of experience
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English - B2
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Fintech
PayAdmit is an international FinTech company specializing in payment orchestration and comprehensive B2B payment solutions
We are looking for a proactive and results-driven Account Manager to strengthen client relationships and support business growth
Requirements:
β’ At least 3 months of experience in B2B sales (preferably in FinTech)
β’ English proficiency at B2 level or higher
β’ Experience in direct/active sales
β’ Experience in preparing commercial proposals
β’ Strong planning and objection-handling...
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152 views
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33 applications
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17d
Senior .Net Developer (FinTech)
Sigma Software
$$$$
Full Remote
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EU
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4 years of experience
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English - B2
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Fintech
Looking to take your .NET expertise to the next level while working on high-impact FinTech solutions? This role offers the chance to contribute to scalable, cloud-native systems that empower thousands of businesses worldwide.
Weβre seeking a Senior .NET Developer to join our team, collaborating with talented engineers, product managers, and designers to deliver innovative financial technology.
At Sigma Software, we work with some of the most forward-thinking companies in the industry. This opportunity will...
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241 views
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54 applications
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17d
Media Buyer (DSP)
RedCore
Responds Quickly
$$
Full Remote
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Worldwide
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2 years of experience
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English - B1
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Advertising / Marketing
Key Requirements
Experience: 2+ years in Performance Marketing.
DSP Expertise: Deep hands-on experience with Ad Networks and DSP's (e.g., Ubidex, Kayzen, BidSwitch, etc.).
Retargeting Specialist: Proven ability to build and scale marketing retention campaigns for consumer products will be plus.
Technical Proficiency: Deep understanding of attribution models (Post-view vs. Click) and conversion deduplication.
Technical setup skills: working with pixels, postbacks, and user cookies.
Familiarity with...
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19 views
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3 applications
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17d
Outreach Specialist
Not Your Average Start-Up
$
Full Remote
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Countries of Europe or Ukraine
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3 years of experience
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English - C2
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Fintech
Full RemoteΒ·Countries of Europe or UkraineΒ·2.5 years of experienceΒ·English - B2Β·Fintech
Weβre looking for a proactive Outreach Virtual Assistant/Leadgeneration Specialist to support our sales team by building and managing outbound pipeline.
This role is ideal for someone who understands outreach mechanics, is comfortable with volume, and wants to grow into a sales-focused role.
What Youβll Do
Run high-volume outbound outreach (LinkedIn, email, etc.)
Identify and research potential leads (founders,...
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14 views
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2 applications
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17d
Service Desk Specialist/Support System Administrator
RecruitGarden
$$$$
Hybrid Remote
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Slovakia
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3 years of experience
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English - C1
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Gambling
Our partner is an international product-focused iGaming company and a B2B game provider with over 12 years of market experience, currently looking for a Service Desk Specialist/Support System Administrator.
The companyβs primary focus is on regulated European markets, with its products available across more than 27 jurisdictions.
Bratislava Hub. Hybrid.
Main Responsibilities
β Provide IT support to employees (remote and on-site)
β Manage user accounts, permissions, and system access
β Handle...
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30 views
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3 applications
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17d
Staff Embedded Software Engineer
Infineon Technologies
Responds Quickly
$$$
Full Remote
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Ukraine
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3 years of experience
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English - B2
#WeAreIn for jobs that impact everyone's life. What if your ideas could change the way the world connects, powers up, or thinks? As a Staff Embedded Software Engineer in our Research & Development team, you'll have the opportunity to merge creativity with your technical expertise by shaping the future of technology, driving groundbreaking projects, and bringing new ideas to life. Are you in?
Your Role
Key responsibilities in your new role
Develop solutions and firmware for ARM-based...
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90 views
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5 applications
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17d
Network Engineer
Servers
Responds Quickly
$$$
Hybrid Remote
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Slovakia
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3 years of experience
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English - B1
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Telecom / Communications
We are looking for a Network Engineer to join us.
Servers.com is an international hosting provider with data centers in the US, Europe and Asia.
We provide reliable business solutions: dedicated servers, cloud technologies, load balancer, firewall, Kubernetes and monitoring services.
Clients use our services to deploy game servers, payment gateways, streaming services and other high-load systems.
Key tasks:
providing network equipment administration at multiple data centers;
performing the routine...
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44 views
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4 applications
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17d
Application/Technical Support Engineer
SoftHouseGroup
$$$
Full Remote
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Worldwide
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4 years of experience
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English - C1
One of the largest companies in the world (in its domain) is open to extending the project team with a Technical Support Analyst. He will provide second-level customer support with queries related to web-based client-facing and internal applications. The position also requires system administration and maintenance for the Data Center.
Required skills:
β 4 years of work experience providing 2nd and 3rd level technical and application support on internet-based enterprise software applications, APIs;
β...
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214 views
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27 applications
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17d