Jobs at Djinni

Who We Are
 

OpenMinds is a cognitive defence tech company countering authoritarian influence in the battle for free and open societies. We work with over 30 governments and organisations worldwide, including Ukraine, the UK, and NATO member governments, leading StratCom agencies, and research institutions.

Our expertise lies in accessing restricted and high-risk environments, including conflict zones and closed platforms.

We combine ML technologies with deep local expertise. Our team, based in Kyiv, London, Ottawa, and Washington, DC, includes behavioural scientists, ML/AI engineers, data journalists, communications experts, and regional specialists.

Our core values are: speed, experimentation, elegance and focus. We are expanding the team and welcome passionate, proactive, and resourceful professionals who are eager to contribute to the global fight in cognitive warfare.
 

Who we’re looking for

We’re looking for a Full-stack Engineer (React + Python) to help us build and scale a robust message delivery platform. This role will be central in developing end-to-end systems that enable secure, efficient, and high-volume communication across multiple channels. You’ll deliver scalable backend services, intuitive interfaces, and real-time delivery pipelines.
 

In the position you will:

• Own the development of a scalable full-stack system for multi-channel message delivery, ensuring reliability across diverse formats such as SMS, voice, social media, and messenger platforms
• Develop interfaces to support informational campaign creation, scheduling, targeting, and performance monitoring
• Implement real-time data pipelines and backend services for dynamic audience segmentation, automation triggers, and delivery status tracking
• Integrate third-party APIs (e.g., Telegram, Facebook, TikTok) and manage communication flows with attention to speed, fault tolerance, and localization
• Collaborate with cross-functional teams to introduce personalization capabilities, AI-assisted content tools, and multilingual support into messaging workflows
• Optimize the platform for high-throughput environments, with a focus on system resilience, observability, and load management
• Maintain a secure and robust infrastructure within Google Cloud Platform
   

We are a perfect match if you have:

• 5+ years of hands-on experience in full-stack development using ReactJS (TypeScript), FastAPI (Python)
• Strong grasp of OOP, design patterns, RESTful APIs, database design, and cloud infrastructure (GCP is preferred)
• Track record of delivering production-ready, enterprise-level applications
• Strong skills in debugging, performance optimization, and writing clean, secure, maintainable code
• Experience in modular architecture, building reusable components and UI Kits
• Experience in DevOps (docker/k8s, IaaC, CI/CD)
• English B2+
   

We offer:

• Work in a fast-growing company with proprietary AI technologies, solving the most difficult problems in the domains of social behaviour analytics and national security
• Competitive market salary
• Opportunity to present your work on tier 1 conferences, panels, and briefings behind closed doors
• Work face-to-face with world-leading experts in their fields, who are our partners and friends
• Flexible work arrangements, including adjustable hours, location, and remote/hybrid options
• Unlimited vacation and leave policies
• Opportunities for professional development within a multidisciplinary team, boasting experience from academia, tech, and intelligence sectors
• A work culture that values resourcefulness, proactivity, and independence, with a firm stance against micromanagement

IMPORTANT! Relevant as of November 13, 2025, 1 month Company Bootcamp.

We are seeking a specialist to join our long-term project which has been in production for several years and manages a high volume of requests per second. We are developing a new product version for the MacOS platform. As a member of our approximately 20-person team, you will play a crucial role in this new growing direction. The core business logic is already well-established and functioning seamlessly.

In collaboration with our existing Windows and web development teams, you will play a foundational role in establishing the MacOS version of our advanced freemium ad-blocking, privacy, and digital security software suite. 

Why we're seeking new team members:

Due to our company's growth and the successful conclusion of new contracts for the year 2025, we are actively searching for talented and motivated professionals ready to join our team. Currently, 1 vacancy is open.

Test assignment

• The vacancy involves a test assignment as one step in the hiring process. It is quite basic - just to test your Objective C/Swift  skills.
• The Company may, at its sole discretion, not provide applicants with the reason for being rejected and technical details of the test completed.
• Once getting to the 3rd stage of the interview, the candidate will have the opportunity to receive feedback from a technical specialist regarding your test task including technical details.

• Link to the test assignment is sent on request.

   

Our working conditions

• Our offices are well equipped for power outages: gasoline generator, EcoFlow Delta portable power station provides electricity for devices and standby lightning, Fiber optic internet provider, Starlink provide access to the internet.
• First month will be a paid Company Bootcamp period.
• Company Bootcamp period paid as fixed monthly payment in UAH.
• Always stable and on time salary.
• We work officially (Private Entrepreneur by contract);
• Salary is calculated in $/h, with loads of 160 to 200 or more hours per month (all spent time is paid);
• Additionally: company pays Bench as 75% from rate and FuckUp pays as 50% from rate.
• Revision of the hourly rate every six months up to +50% (according to company regulations).
• Quarterly bonus, project performance based.
• English classes 2 times per week (groups of two people, after work hours).
• MacBook Pro 14/16, 4K monitor, stand, mouse, keyboard, headphones, comfortable chair, company branded T-shirt and mug.
• Working day from 8:00 to 17:00 (The plan for the day is made at the stand-up meeting and must be accomplished (considering common sense) within the day according to the checkpoints. After accepting the work, the PM finalizes the working day).
• Breakfast, lunches and other things in the kitchen at the expense of the company (coffee, tea, cookies, sweets, yogurts and drinks in the refrigerator).
• Work in one of 3 our offices (5−15 minutes walking distance from metro station):
  • К1 (М) Osokorky 
  • К3 (М) Taras Shevchenko

  • К4 (М) Pozniaky

     

Requirements:

• 5+ years of low level Objective C and/or Swift programming experience with a significant focus on MacOS development.
• Strong understanding of MacOS networking: TCP/IP, DNS(SEC), HTTP(S), SSL/TLS, etc.
• Knowledge of MacOS system internals, permissions, and sandboxing.

• Understanding of OOP and SOLID principles.

   

Additional Skills (Nice to Have):

• Familiarity with NetworkExtension framework and SystemExtensions.
• Experience with service management (launchd), keychain services API, and MacOS code signing/notarization.
• Familiarity with Apple entitlement management, provisioning, and user permission workflows.
• Knowledge of CI/CD, MacOS distribution (PKG installer and DMG image).
• Familiarity with adblocking filter list formats and adblocking ecosystem  (e.g., EasyList, AdGuard).
• Familiarity with OpenSSL, mitmproxy, or similar libraries/tools.

• Out-of-the-box thinking.

   

Opportunities/benefits

• Personal Development: Employees develop their Personal Development Plan (PDP) with a mentor, focusing on skill and knowledge enhancement.
• Regular Salary Review: Salaries are reviewed biannually based on PDP accomplishments and other performance indicators.
• Opportunity to learn/improve skills in other languages: Employees have an opportunity to learn or improve their skills in Go, С++, Kotlin/Java, PHP, NodeJS, TypeScript, modern frontend frameworks like Vue/React or browser extensions development as part of the PDP (personal development plan) program. 
• Team Support and Collaboration: Work alongside experienced colleagues and project managers who provide guidance and assistance with complex tasks.
• Code Review and Quality Assurance: Strict processes are in place for peer code review and QA to ensure high-quality outputs.
• Learning New Technologies: Employees are encouraged to systematically explore and learn about new technologies and fields relevant to their roles.
• Kanban Methodology for Task Management: The company uses «Scrumban» (our own flavor of Kanban system with Scrum elements) for effective planning and execution of daily tasks.

We are seeking a highly motivated Pre-Sales Engineer with a strong background in circuit engineering, radio engineering, and UAV systems. The ideal candidate will not only have technical expertise in UAV components and configuration but also possess excellent communication skills to support our sales team in delivering advanced UAV solutions. 

Responsibilities: 

• Collaborate with the sales team to understand client requirements and propose tailored UAV system solutions. 
• Present and demonstrate UAV products, focusing on technical aspects including electronics, communication systems, flight controllers, cameras, and antennas. 
• Assist in the design and integration of UAV systems, ensuring proper configuration and performance alignment with customer needs. 
• Serve as a technical consultant during pre-sales engagements, offering insights on flight control software such as Ardupilot, Betaflight, and INAV. 
• Utilize expertise in Mavlink, Cross-fire, and radio engineering to explain complex system functionalities to prospective clients. 
• Leverage UAV engineering knowledge and, where applicable, hands-on piloting experience to deliver practical and innovative solutions. 
• Maintain an up-to-date understanding of all UAV components and basics of aerodynamics to provide comprehensive technical support. 

Skills and Experience: 

• Proven background in circuit engineering with a solid foundation in radio engineering principles. 
• Demonstrated expertise in UAV systems, including configuration and integration of electronics, communication systems, flight controllers, cameras, and antennas. 
• Hands-on experience with UAV flight control software such as Ardupilot, Betaflight, and INAV. 
• Familiarity with Mavlink and Cross-fire protocols. 
• Understanding of UAV design and basic aerodynamics principles. 
• Strong problem-solving skills with the ability to translate complex technical concepts into clear customer benefits. 
• Excellent communication skills and ability to work collaboratively with both technical and non-technical stakeholders. 
• English Upper-Intermediate (B2) +  
   

Nice to have: 

• Experience with UAV piloting, offering practical insights into system performance and operational challenges. 
• Prior involvement in UAV project lifecycle from design through field testing. 

Join our dynamic team and help shape the future of UAV technology by bridging the gap between advanced engineering and customer success. If you are passionate about UAV systems and have a knack for technical sales, we encourage you to apply.  

Warmy.io is a leading platform that helps businesses enhance their email outreach by ensuring emails land in the inbox, not the spam folder. By using AI-driven technology, we help businesses improve deliverability and engagement, enabling better connections with their customers. As we continue to grow, we’re looking for a passionate and proactive Community Manager and Builder to help us grow and engage our user base across key communication platforms.

Job Description:

Warmy.io is seeking a dynamic and motivated Community Manager and Builder to create, grow, and engage vibrant communities on WhatsApp, Slack, and Facebook. You’ll play a pivotal role in nurturing relationships with our users, building a strong brand presence, and driving engagement across these platforms. Your efforts will create a positive environment where users can share knowledge, solve problems, and discuss all things related to email deliverability and outreach.

Key Responsibilities:

• Community Building: Develop and grow Warmy.io's presence on WhatsApp, Slack, and Facebook by fostering a positive, engaged, and supportive environment for users.
• User Engagement: Create and implement strategies to engage community members through discussions, Q&A sessions, challenges, live events, and other interactive activities across all platforms.
• Content Creation: Produce regular, relevant content (polls, articles, quick tips, announcements) to keep community members informed and engaged across WhatsApp, Slack, and Facebook.
• Relationship Management: Cultivate relationships with community members to understand their needs, address issues, and gather feedback to improve Warmy.io’s services.
• Onboarding & Support: Assist new community members with onboarding, ensuring they understand how to use Warmy.io and encouraging active participation in the community.
• Growth Strategy: Develop and implement strategies to grow the community organically by encouraging referrals, collaborations, and active participation from existing users on all platforms.
• Collaboration: Work closely with the marketing and product teams to communicate key updates, product launches, and gather insights from community feedback.
• Monitor & Moderate: Ensure community discussions remain healthy, inclusive, and on-topic. Address any inappropriate behavior or issues that arise within the community.
• Data & Reporting: Track and analyze community growth and engagement metrics across WhatsApp, Slack, and Facebook, providing regular reports to optimize strategies and show progress.

Requirements:

• Proven experience as a Community Manager, Social Media Manager, or similar role, ideally with experience managing communities on WhatsApp, Slack, and Facebook.
• Excellent communication and interpersonal skills, with the ability to foster trust and engagement within a community.
• Strong understanding of community building strategies, particularly in online platforms like WhatsApp, Slack, and Facebook.
• Creative problem-solving skills and the ability to generate engaging content that resonates with community members.
• Ability to work independently, prioritize tasks, and take initiative to grow and develop the community.
• Familiarity with SaaS, email deliverability, or email marketing tools is a plus. 

What We Offer

• Competitive compensation
• 12 PTO days, 10 sick days, public holiday recognition and B2B contract.
• Access to cutting-edge analytics tools and resources 
• Ownership of your function and close collaboration with leadership
• A friendly, international team and space to grow

BrainRocket is a software development company and digital solutions provider. The company has created over 40 cutting-edge products spanning 20 different markets. Our team of around 670 tech-savvy professionals successfully delivers scalable projects that are custom-made to the customers’ needs. We also strive to create a culture centered around personal and professional growth for employees in a positive and welcoming environment.

We're looking for a Team Lead Node.js Developer to join our team. 

✅ Requirements:
✔️Strong knowledge of JavaScript and the ECMAScript 6 standards
✔️3+ years of commercial experience with Node.js and Nest.js
✔️5+ years of commercial experience in web development
✔️Commercial experience of working with high loaded SQL or NO SQL databases
✔️Commercial experience of implementing the REST, GraphQL and WebSockets
✔️Understanding of the TDD principles and experience of writing tests
✔️Understanding of microservice architecture principles
✔️Experience of GIT version control system
✔️Experience with RabbitMQ
✔️Experience with Redis
✔️Experience with databases MongoDB, MySQL
✔️At least Intermediate lvl of English

✅ Will be a plus: 
✔️2+ years of hands-on experience developing over CI/CD/Micro Services architecture/Containers
✔️Experience with Kubernetes
✔️Experience with Nats
✔️Experience with TypeScript

✅ Duties and opportunities:

✔️In-house platform development
✔️3rd party API integrations
✔️Actively participate in developing new features from scratch

✅ We offer excellent benefits, including but not limited to:

🚀 Career growth opportunities in an international and dynamic environment;
📚 Opportunity to develop language skills with partial compensation for language courses;
🎁 Special gifts for birthdays, weddings, and newborns;
🏝️ 20 working days of paid annual vacation, plus paid sick leaves;
🍲 Office snacks and refreshments;
🏋️‍♂️ Sports package to support a healthy lifestyle;
🩺 Comprehensive medical insurance for you and your partner;
📍 Comfortable office with great facilities in a prime location;
 🎉 Exciting corporate events, team-building activities, and international company parties.

BETER is a rapidly growing product company. We create competitive content supplemented with analytics. For more than 5 years, we have been organizing sports tournaments, broadcasts, and developing our own sports community. We hold 45+ thousand events per month in esports and classic sports. BETER products are known all over the world — our content is represented in 150+ countries.
Our current partners are the world’s most famous trading giants.

Now we are looking for an Engineering Manager (.NET/C#) to develop and implement a technical strategy for the development of a system for sports analytics. If you like to build a team, develop a technical culture, cover the most critical areas in development, help train others, and be a leader, then this position is for you.

Technology stack we work with: Microservice architecture, .NET 8+, MS Orleans, MongoDB, Apache Kafka, SignalR/WebSocket, k8s, AWS

Requirements:

• Be a business person, have a sense of responsibility for the entrusted area and treat it as your brainchild, be demanding of the team, but fair, set goals, monitor their implementation, control the workload of people, and systematically improve the level of skills in the team.
• 3+ years of experience in managing a team: organizing work, motivating, maintaining discipline, delegating and monitoring execution, exchanging feedback, and leadership.
• Write high-quality code in C# (.NET Core, ASP.NET Core), understand OOP and SOLID concepts, understand design patterns.
• 6+ years of expertise in the .NET ecosystem: tools, libraries, frameworks.
• RDBMS/NoSQL experience: knowledge of the principles of engine operation, ability to profile queries, design schemas, understanding the logic of index operation.
• Experience working with message brokers: knowledge of the operating principles of broker types, building asynchronous data delivery and processing with various guarantees and for various scaling requirements, fault tolerance, etc.
• Loyalty to DevOps practices and experience in their application: automation of development and quality assurance tools, monitoring, tracing, and debugging.
• Skills in profiling, debugging, optimizing code and queries to the database.
• Willingness to participate on-calls according to a pre-planned schedule.
• Experience writing unit tests, understanding when it is appropriate and when it is not.
• Adhere to the opinion that without code review it is impossible to work and convey this message to the masses :)
• Striving to improve existing solutions and develop new solutions, searching for growth points.
• A desire to share knowledge with engineers and be able to convey it.

It will be a plus:

• Experience developing in languages other than C#.
• Experience in digging into the insides of frameworks for self-improvement.
• A constant search for answers to the questions “why” and “how to do it better”, but at the same time critical thinking to understand when it is rational to do it “better”.
• Understanding of data structures and algorithms, understanding how O(1) differs from O(n).
• Understanding the difference between AMQP and Kafka, the pros and cons of such solutions.
• Higher technical education, training in mathematical/technical lyceums.
• Experience with Kafka, MongoDB, MS Orleans, Prometheus, ElasticSearch and OTel.
• Frontend development experience.
• Experience in cloud environments in general and AWS in particular.
• Master's Degree in Applied Mathematics.

Responsibilities:

• Organizing the work of the team, implementing and monitoring compliance with the necessary processes.
• Planning and distribution of work in a team, monitoring implementation.
• Design of services on the balance of the team in collaboration with the architect and business analysts.
• Implementing and maintaining good software development practices, such as coding conventions and code review.
• Writing code in C# as part of the implementation of tools and products.
• Writing unit tests for functionality.
• Mentoring engineers in a team, assistance in drawing up PDP.
• Assistance in troubleshooting, and training on how to prevent them in the future.
• Help in finding bottlenecks and performance problems, profiling database queries, and code.
• Conducting knowledge tests, developing tests for self-control and for hiring needs.
• Participation in interviews of team candidates, assessing the level of knowledge and expertise.
• Providing regular feedback to team members.
• Conducting team meetings on a regular basis.
• Approval of vacations, sick leave, time off, overtime in the team, and - correction of current plans.

What and how do teams work?

• A highly loaded system based on .NET 8+, which receives changes in real-time and recalculates sports analytics.
• Working in a microservice architecture, with a messaging system.
• Ability to choose technologies to effectively achieve results.
• Experienced and strong specialists in teams who are always ready to share knowledge.
• The code is packaged in containers and lives in AWS EKS.
• Kafka for real-time messaging.
• MongoDB, PostgreSQL for data storage and processing.
• Victoria Metrics for collecting metrics and monitoring.
• ElasticSearch for logs.
• Teams are cross-functional and focused on their services.
• Minimum bureaucracy, the ability to easily communicate with all levels of management.
• We strive to make decisions quickly, without months of discussions, if a person has analyzed the risks and alternatives and understands the essence of his proposal.

We offer:

• Ability to work remotely.
• Flexible work schedule.
• 100% paid sick leave.
• 20 working days of paid vacation.
• Competitive and timely payment for services.
• Personal mentoring and coaching.
• Team building and corporate events.
• Paid child care leave.

Key Responsibilities:

• To build the finance department in the company
• Develop and implement the company’s financial strategy and planning
• Organize and oversee accounting for both fiat and cryptocurrency transactions
• Prepare financial, tax, and management reporting (IFRS / local GAAP)
• Lead budgeting, cash flow management, and financial forecasting
• Collaborate with the Compliance Officer (AML/CFT) to ensure regulatory alignment
• Optimize tax structure across jurisdictions in cooperation with legal advisors
• Build and maintain relationships with banks, PSPs, auditors, and investors
• Manage risk, ensure adequate liquidity and financial reserves
• Support company structuring in international jurisdictions (if applicable)
  
   

 Requirements:

• 3+ years in a CFO or Head of Finance role
• Strong background in financial accounting and reporting
• Proven experience in cryptocurrency, blockchain, fintech, or digital assets sector
• Solid knowledge of KYC/AML regulations and tax implications in crypto
• Experience working with financial institutions, tax authorities, and auditors
• Familiarity with payment solutions (SWIFT, SEPA, PSP integrations)
• Fluent in English (B2+ level or higher)
  
   

 What We Offer:

• Competitive salary + equity options (or performance-based bonuses)
• Work in a forward-thinking, high-growth industry
• Flexible working hours and remote work opportunities
• Impactful role in a fast-paced environment with full ownership
   

WHO WE ARE

Respaid unlocks hidden B2B revenue through AI-powered debt collection. 20+ people across US & Europe—incl. 10 UA engineers—ship weekly via Linear, GPT-4 agents & full-stack automation. Backed by Y Combinator plus founders of Dropbox & Docker.

WHY THIS WILL EXCITE YOU

• Ship AI that drives revenue — production impact from day one.
• 99.9% uptime, 10–50× dev velocity — obsession with tooling (Cursor, Claude Code, n8n).
• Small, elite team — zero corporate drag, direct access to CEO/CTO.
• Path to Staff / Lead — out-ship, out-learn, own massive scope.

WHAT YOU'LL TACKLE

• Build end-to-end AI features: data scraping → RAG pipelines → automated system sync.
• Craft idempotent, rate-limit-resilient integrations with CRMs & accounting tools.
• Engineer context-rich AI replies and dynamic recovery orchestration.
• Validate & iterate on AI outputs for production-grade accuracy.
• Contribute light DevOps, CI/CD, SRE for 99.9% uptime.

DAY-TO-DAY OWNERSHIP

• Ship code daily (PHP Laravel & Python FastAPI).
• Pair with AI teammates (Cursor, Claude Code) for 10× throughput.
• Review logs/metrics, squash bugs, automate yourself out of toil.
• Collaborate with leadership on roadmap & architecture.

MUST-HAVE SUPER-POWERS

• Proven experience shipping AI-powered production systems (not research).
• Hands-on with RAG pipelines, large-scale scraping, prompt engineering.
• Strong API integration & automation chops.
• Rapid context switching, self-starter, ownership mindset.
• Upper-Interm. English, clear async communication.
/// must have strong experience with Python FastAPI, and PHP expertise will be considered a significant plus, as we’re seeking a Full-Stack AI Engineer

NICE TO HAVE

• Multi-tenant SaaS, deliverability optimization, event analytics.
• IaC, CI/CD, light SRE.

PERKS

• Fully remote; flexible hours (core GMT+2/+3 overlap).
• PTO + national holidays + paid birthday off (and your kids'🎂).
• Private health plan, EN/UA language courses.
• Zero red-tape access to CEO & CTO; path to Staff/Lead for top performers.

HOW TO APPLY

1. Top 1 % receive a paid 2-hour AI coding challenge.
  Pass → 30-min CEO call → offer.

🚀 Ready to build AI that moves the needle? Hit Apply and share one AI workflow you shipped and its ROI.

WHO WE ARE

Respaid unlocks hidden B2B revenue through AI-powered debt collection, done in a respectful way. 20+ people across US & Europe—incl. 10 UA engineers—ship weekly via Linear, GPT-4 agents & full-stack automation. Backed by Y Combinator plus founders of Dropbox & Docker.

WHY THIS WILL EXCITE YOU

• Ship AI that drives revenue — production impact from day one.
• 99.9% uptime, 10–50× dev velocity — obsession with tooling (Cursor, Claude Code, n8n).
• Small, elite team — zero corporate drag, direct access to CEO/CTO.
• Path to Staff / Lead — out-ship, out-learn, own massive scope.

WHAT YOU'LL TACKLE

• Build end-to-end AI features: data scraping → RAG pipelines → automated system sync.
• Craft idempotent, rate-limit-resilient integrations with CRMs & accounting tools.
• Engineer context-rich AI replies and dynamic recovery orchestration.
• Validate & iterate on AI outputs for production-grade accuracy.
• Contribute light DevOps, CI/CD, SRE for 99.9% uptime.

DAY-TO-DAY OWNERSHIP

• Ship code daily (PHP Laravel & Python FastAPI).
• Pair with AI teammates (Cursor, Claude Code) for 10× throughput.
• Review logs/metrics, squash bugs, automate yourself out of toil.
• Collaborate with leadership on roadmap & architecture.

MUST-HAVE SUPER-POWERS

• Proven experience shipping AI-powered production systems (not research).
• Hands-on with RAG pipelines, large-scale scraping, prompt engineering.
• Strong API integration & automation chops.
• Rapid context switching, self-starter, ownership mindset.
• Upper-Interm. English, clear async communication.

NICE TO HAVE

• Multi-tenant SaaS, deliverability optimization, event analytics.
• IaC, CI/CD, light SRE.

PERKS

• Fully remote; flexible hours (core GMT+2/+3 overlap).
• PTO + national holidays + paid birthday off (and your kids'🎂).
• Private health plan, EN/UA language courses.
• Zero red-tape access to CEO & CTO; path to Staff/Lead for top performers.

HOW TO APPLY

Top 1 % receive a paid 2-hour AI coding challenge.
  Pass → 30-min CEO call → offer.

🚀 Ready to build AI that moves the needle? Hit Apply and share one AI workflow you shipped and its ROI.

We’re seeking an experienced .NET Developer to develop and support the U.S. fast-growing global trading platform. This role bridges regulatory compliance and product development, helping ensure the platform meets U.S. brokerage regulations (FINRA, SEC, SIPC) while delivering a seamless user experience.

Details: 
Experience: 5+ years as 
Schedule: Full time, remote in Europe. Need to work with teams from USA and Canada sometimes. 
Start: ASAP
English: Fluent

Ukrainina: Native 
Employment: B2B Contract

What you’ll do:
Collaborate closely with product owners, business analysts, and cross-functional teams (Mobile, Web, QA) to translate requirements into the backend architecture.
Design and build high-performance, scalable backend services in C#/.NET for our real-time trading platform.
Integrate with relational (MS SQL Server), NoSQL (Redis) databases and message broker (Service Bus, Redis) for efficient data storage and retrieval.
Write automated unit and integration tests (xUnit or similar) and contribute to CI/CD pipelines for continuous delivery.

What we need from you:
5+ years of backend development experience with C#/.NET.
Strong proficiency in .NET, Entity Framework Core, and building RESTful APIs.
Solid experience with SQL (MS SQL Server) and NoSQL (e.g. Redis) databases.
Hands-on experience with SignalR and WebSockets, including implementing both server-side and client-side components for real-time data streaming.
Experience with message brokers like Azure Service Bus and Redis Streams, and familiarity with async communication patterns for high-reliability systems
Experience in development, deployment and support of Azure based applications. 
Knowledge of Secure Coding Practices (OWASP)
Strong test-driven development skills (xUnit or similar) and attention to code quality.
Deep understanding of trading or financial systems, including real-time data processing and distributed architectures.
Excellent communication skills and a collaborative mindset to work with diverse technical and business teams.

Nice to have:
Prior experience building US-regulated fintech or trading platforms, with exposure to SEC/CFTC rules and KYC/AML compliance.
Familiarity with Grafana, Angular, Azure DevOps, and modern CI/CD pipelines.
Experience using AI/ML tools or automation to enhance development workflows.
Agile mindset and ability to adapt quickly in a startup-like environment.
 

We are seeking a hands-on Senior Database Administrator with deep expertise in PostgreSQL and MySQL. You’ll design, deploy, maintain, and optimize highly available, scalable database systems. Familiarity with SQL Server, MongoDB, and cloud-native database services (AWS RDS, Google Cloud SQL, Azure Database) is a strong advantage. Candidates with database migration experience (on-prem → cloud or cross-cloud) will be given preference.

Key Responsibilities
- Architect, configure and maintain PostgreSQL and MySQL instances in production
- Define schemas, indexing strategies, partitioning, and sharding as needed
- Implement and manage replication, clustering, failover, and backup/recovery solutions
- Develop and test disaster-recovery plans and runbooks
- Monitor query performance, tune SQL, and optimize configurations
- Collaborate on capacity planning and cost-optimization initiatives
- Plan and execute migrations (e.g., on-prem to cloud, between cloud providers)
- Lead version upgrades, schema changes, and data transformations
- Implement monitoring (Prometheus, Grafana, etc.), alerting, and logging
- Define and enforce security best practices (access controls, encryption)
- Automate routine tasks and deployments using Bash, Python, Ansible, or similar tools
- Partner with Development, DevOps, and Data teams on schema design, ETL pipelines, and query tuning
- Document database architectures, standard operating procedures, and runbooks

Required Qualifications
3 years managing PostgreSQL in production
3 years managing MySQL in production
Hands-on with AWS, GCP, or Azure managed database services (e.g., RDS, Cloud SQL)
Advanced SQL (indexing, query optimization, partitioning)
Backup & recovery strategies, replication, high-availability configurations
Scripting/automation (Bash, Python, Ansible, etc.)
Proven track record of database migration projects (e.g., PostgreSQL → cloud, MongoDB → Atlas, SQL Server upgrades)

Preferred Qualifications
- Familiarity with additional databases (MongoDB, SQL Server, Neo4j, other NoSQL)
- Experience with ETL tools, BigQuery, or data-warehousing concepts
- Certifications in PostgreSQL, MySQL, or cloud platforms (AWS, GCP, Azure)
- Exposure to DevOps practices and infrastructure-as-code (Terraform, CloudFormation)

We’re looking for a Creative Marketing Specialist who’s ready to drive the creation of breakthrough ad concepts – from ideation to execution and ongoing optimization. You’ll be working at the crossroads of creativity and performance, turning bold ideas into high-performing campaigns that shape how users discover and engage with our products.
 

What Makes This Job Unique and Interesting:

• A chance to grow into a leadership role and take ownership of creative direction
• Access to a large internal community of top-tier specialists
• A role where creativity meets analytics – you’ll not only come up with ideas but also see how they perform and why
• The opportunity to directly influence the growth and perception of the product
• A dynamic environment where experimentation, speed, and impact matter
   

What You’ll Be Doing:

• Develop bold advertising concepts and creative strategies for our products
• Analyze market trends and competitor campaigns to uncover fresh creative angles
• Collaborate with designers and UGC creators: write briefs, provide feedback, and oversee production
• Monitor the performance of ad creatives (CTR, CPM, CPA, ROAS) and iterate based on data
• Participate in brainstorms, creative reviews, and post-campaign retrospectives
• Maintain a structured, test-driven approach to ideation and execution
   

What We’re Looking For:

• At least 6 months of experience as a creative marketer.
• Experience developing ad creatives, especially for Meta and TikTok
• Proven experience promoting mobile apps or digital products
• A creative, data-informed mindset with a knack for bold ideas
• Strong self-organization, communication, and collaboration skills
• Excellent English – Upper-Intermediate or higher
• Strong critical thinking and analytical skills
• Structured approach to creative work and problem-solving
• Lead experience is a plus
   

What We Offer:

• Remote work and flexible hours – work from wherever you feel most productive
• 20 paid vacation days + unlimited sick leave
• Compensation for equipment and home-office perks
• Access to our internal knowledge base, community, and learning opportunities
• Health insurance (in Ukraine) and access to a corporate doctor
   

Take ownership. Blend creativity with performance. Make your mark — apply today!

We are looking for an experienced Senior Python Developer to join our global engineering team. The ideal candidate is not only an expert in Python development but also capable of mentoring others, driving code quality, and contributing to architectural decisions. This is a great opportunity for someone ready to take on leadership responsibilities within a collaborative, fast-moving environment.

Details

• Location: Remote (Europe or LATAM preferred)
• Employment Type: Full-Time, Contract
• Timezone: Must be available to work within EST hours
• Start Date: ASAP

• Language Requirements: English — B2+ or higher

   

Key Responsibilities

• Develop, optimize, and maintain backend applications using Python.
• Conduct code reviews, identify improvements, and refactor existing codebases for scalability and performance.
• Collaborate closely with cross-functional teams to deliver reliable, production-grade solutions.
• Mentor junior developers and contribute to team knowledge sharing.
• Participate in architectural design and technical planning discussions.
• Ensure clean, efficient, and maintainable code aligned with best practices.

Requirements

• 5+ years of commercial experience with Python (Django, FastAPI, or Flask).
• Proven experience in code review, refactoring, and enforcing best practices.
• Excellent communication and teamwork skills in English (B2+).
• Previous team leadership experience or readiness to grow into a leadership role.
• Comfortable working and collaborating in EST timezone.

Nice to Have

• Experience with microservices architecture, RESTful APIs, or async frameworks.
• Familiarity with CI/CD, Docker, or cloud environments (AWS, GCP, Azure).
• Knowledge of data processing, ETL, or machine learning pipelines.

We are looking for an experienced Senior PHP Developer to join our team and contribute to the design and development of robust, scalable web applications. The ideal candidate combines deep technical expertise with a problem-solving mindset and a passion for building clean, efficient, and secure code.

Details

• Location: Remote (Europe preferred)
• Employment Type: Full-Time, Contract
• Start Date: ASAP
• Language Requirements: English — Upper-Intermediate or higher

Key Responsibilities

• Design, develop, and maintain backend applications using PHP.
• Implement clean, maintainable, and well-tested code following best practices and design patterns.
• Collaborate with cross-functional teams (frontend, DevOps, QA) to ensure seamless delivery.
• Participate in architectural decisions and technical reviews.
• Optimize application performance and scalability.
• Ensure code quality, security, and reliability.

Requirements

• 5+ years of commercial experience with PHP.
• Strong understanding of OOP, Design Patterns, and best development practices.
• Experience with MySQL or PostgreSQL, including schema design and optimization.
• Hands-on experience with Linux, AWS, and Git.
• Solid understanding of CI/CD pipelines, Docker, web servers, network protocols, data flows, and web security standards.

Nice to Have

• Experience with frontend frameworks such as React, Vue.js, or Angular.
• Familiarity with NoSQL databases (e.g., MongoDB, Redis).
• Knowledge of microservices architecture or API-first development.

This is a fantastic opportunity to join a fast-growing company at the heart of the digital revolution. Our software product is revolutionising manufacturing through automation. We are trusted by global brands and work across sectors (mobility, consumer goods, machinery etc).

We have a talented and ambitious team. We value integrity and are passionate about our mission to revolutionise advanced manufacturing.

This is your opportunity to:

• Be part of a fast-growing software product company in advanced manufacturing.
• Learn and fulfil your potential in an open, knowledge-driven culture.
• Share in our ambitious vision and make a meaningful difference towards autonomous manufacturing.

Responsibilities: 

• Develop, test, and deploy machine learning models and algorithms for various applications. 
• Design and implement end-to-end AI solutions that integrate with existing systems. 
• Collaborate with data scientists, software engineers, and product teams to understand business needs and translate them into technical requirements. 
• Optimize and scale AI models for performance, accuracy, and sustainability. 
• Research emerging AI trends and techniques to continually improve the AI solution offerings. 
• Prepare and maintain documentation on design, code, and processes to ensure organizational knowledge retention. 
• Monitor and evaluate the performance of AI systems in production, identifying areas for improvement or further development.

You will be joining a well-versed team if you have:

• Bachelor’s or Master’s degree in Computer Science, Electrical Engineering, Data Science, or a related field. 
• Proven experience in developing machine learning models and deploying AI solutions. 
• Strong programming skills in languages such as Python, Java, or C++.
• Proficiency with machine learning frameworks and libraries (e.g., TensorFlow, PyTorch, scikit-learn). 
• Experience with data processing frameworks and tools (e.g., Pandas, NumPy) and familiarity with databases (SQL, NoSQL). 
• Solid understanding of deep learning, NLP, computer vision, or other specialized areas within AI is a plus. 
• Experience with cloud platforms (AWS, Google Cloud, Azure) and containerization (Docker, Kubernetes) is beneficial. 
• Excellent problem-solving skills and the ability to work in a fast-paced, collaborative environment.
• Good communication skills and the ability to translate complex technical concepts to non-technical stakeholders. 
• Commitment to continuous learning and development in the field of AI and emerging technologies.