Jobs at Djinni

We are looking for a Quantitative Analyst to become the mathematical backbone of our Trading Core and Risk Tech squads. In a high-frequency trading environment processing billions in volume, success is defined by precision. 

In this role, you will design, backtest, and optimize the core mathematical models that drive our pricing engines, automated market-making algorithms, risk management frameworks (A/B/C-book optimization), and liquidation mechanics. You will sit at the intersection of advanced mathematics, data science, and high-performance software engineering, working directly with Core Product Managers and engineering teams to turn complex financial data into proprietary algorithmic advantages.

Responsibilities

• Research, design, and prototype quantitative models for pricing, risk management, and market making
• Build and maintain robust backtesting frameworks to validate the performance and safety of models before production deployment
• Write clear, comprehensive mathematical and algorithmic specifications for Backend Engineers (Trading Core squads)
• Cross functional with the R&D and Trading Ops teams
• Conduct post-incident deep dives (e.g., after major market gaps or liquidations) to identify algorithm performance gaps and optimize them

Requirements

• 3+ years of experience as a Quantitative Analyst / Researcher in fintech
• Exceptional knowledge of probability theory, stochastic calculus, time-series analysis, and financial mathematics
• Advanced proficiency in Python (NumPy, Pandas, SciPy, SK-Learn, Statsmodels) for data analysis, modeling, and backtesting
• Experience with Machine Learning
• Deep understanding of market microstructure, order book dynamics, risk metrics (VaR, Expected Shortfall), and margin/liquidation mechanisms
• SQL skills and experience working with large-scale historical market data (tick data, order logs)
• Strong logical thinking, initiative, and well-developed communication skills

Will be a plus

• Experience in CFD, Crypto CEX, Prop Trading Firm, or Hedge Fund
• Degree (MSc or PhD preferred) in a highly quantitative field: Mathematics, Physics, Quantitative Finance, Statistics, or Computer Science
• Understanding of Asset pricing models (e.g., Black-Scholes, local volatility models, Greeks management)
• Knowledge of the MetaTrader platforms (MT4/MT5)
• Experience with AI (Claude.io, Copilot, Codex)

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

We are looking for a Quantitative Analyst to become the mathematical backbone of our Trading Core and Risk Tech squads. In a high-frequency trading environment processing billions in volume, success is defined by precision. 

In this role, you will design, backtest, and optimize the core mathematical models that drive our pricing engines, automated market-making algorithms, risk management frameworks (A/B/C-book optimization), and liquidation mechanics. You will sit at the intersection of advanced mathematics, data science, and high-performance software engineering, working directly with Core Product Managers and engineering teams to turn complex financial data into proprietary algorithmic advantages.

Responsibilities

• Research, design, and prototype quantitative models for pricing, risk management, and market making
• Build and maintain robust backtesting frameworks to validate the performance and safety of models before production deployment
• Write clear, comprehensive mathematical and algorithmic specifications for Backend Engineers (Trading Core squads)
• Cross functional with the R&D and Trading Ops teams
• Conduct post-incident deep dives (e.g., after major market gaps or liquidations) to identify algorithm performance gaps and optimize them

Requirements

• 3+ years of experience as a Quantitative Analyst / Researcher in fintech
• Exceptional knowledge of probability theory, stochastic calculus, time-series analysis, and financial mathematics
• Advanced proficiency in Python (NumPy, Pandas, SciPy, SK-Learn, Statsmodels) for data analysis, modeling, and backtesting
• Experience with Machine Learning
• Deep understanding of market microstructure, order book dynamics, risk metrics (VaR, Expected Shortfall), and margin/liquidation mechanisms
• SQL skills and experience working with large-scale historical market data (tick data, order logs)
• Strong logical thinking, initiative, and well-developed communication skills

Will be a plus

• Experience in CFD, Crypto CEX, Prop Trading Firm, or Hedge Fund
• Degree (MSc or PhD preferred) in a highly quantitative field: Mathematics, Physics, Quantitative Finance, Statistics, or Computer Science
• Understanding of Asset pricing models (e.g., Black-Scholes, local volatility models, Greeks management)
• Knowledge of the MetaTrader platforms (MT4/MT5)
• Experience with AI (Claude.io, Copilot, Codex)

We offer

• 20 paid vacation days per year
• 10 paid sick leave days per year
• Public holidays as per the company’s approved Public holiday list
• Medical insurance
• Opportunity to work remotely
• Professional education budget
• Language learning budget
• Wellness budget (gym membership, sports gear and related expenses)

Mate academy is an EdTech company with a gamified, AI-powered LMS platform where people learn IT specialties.

🌎 We’ve successfully launched in Poland and Brazil, and we’re just getting started.

🤘 6000+ graduates have landed their first IT jobs after only 4 months of training.

Our goal is to expand our operations to Brazil. So we are looking for a Full Stack (Frontend) Mentor who will be responsible for mentoring students in the Portuguese language.

What we offer:

• Fast-track career - many of our now-senior developers started their journey with Mate academy as mentors.

• A well-coordinated, international team - always eager to help.

• Hourly payment and flexible schedule - your mentoring week will include 10+ hours of work that can be distributed throughout the week.

Your responsibilities:

• Checking homework assignments of FT course students.

• Answering student questions in chat and on Google meet calls

• Conducting mock technical interviews for students.

• Improving the student learning process.

Our requirements:

• 1 year of commercial experience as a Full Stack (Frontend) developer

• English - B1 or higher, Portuguese - Native 

• Ability to communicate with people and help them solve problems.

• Effective time planning and the ability to organize your own schedule independently.

Recruitment process:

1. Send your CV.

2. Attend a 15-minute call with our coordinators to align expectations (in Portuguese).

3. Do the test task.

4. Attend a tech interview (in English).

Does this offer match your career goals? Then let's get acquainted!

We are looking for a Middle strong General QA Engineer with 3+ years of experience to join a distributed product team and take ownership of quality across the full testing cycle. The ideal candidate has a strong manual and automation testing background, mobile testing experience, and — most importantly — an AI-first mindset: you actively use AI tools in your daily work and are excited to push that further.

JOB REQUIREMENTS

Must have:

• 3+ years of QA experience (manual + automation)
• Experience testing mobile applications (hybrid apps)
• Hands-on experience with TypeScript + Appium
• Experience with CLI tools and working in terminal-based environments
• Knowledge of non-relational databases
• Upper-Intermediate or Advanced English (B2+) — active communication with the client

Nice to have:

• Experience in Fintech domain
• Familiarity with DynamoDB
• Experience with or interest in Agentic QA workflows

KEY RESPONSIBILITIES

• Manual and automated testing of a mobile hybrid application
• Maintaining and expanding the existing automation test suite (TypeScript/Appium)
• Handling technical support tickets — reproducing, investigating, and documenting issues
• Collaborating with a distributed team
• Actively using AI tools to improve testing workflows

PROJECT

Customer: Growing SaaS startup based in Australia.

Type: Fintech / management SaaS application.

Product: A platform that helps businesses manage operations and workflows. The product is actively growing and has a significant user base. 

Stage: Growing startup.

Project team: Cross-functional team including backend, QA, and client-side stakeholders (CEO, CTO). The QA team currently consists of 1 QA engineer; you'll be the second.

Technical stack: TypeScript, Appium, Mobile Proxy, DynamoDB, CLI, OpenClaw (AI agent platform integrated with Jira and CI environments)

Work schedule: Full-time, fully remote. Working hours overlap with Australian time zone — expect early morning standups (from ~9:00 AM Kyiv time).

INTERVIEW STAGES

1. Call with recruiter
2. Technical interview
3. Client intro call 

OUR BENEFITS

• Opportunity to improve your skills in manual and automation testing (both mobile and web)
• Work from anywhere (fully remotely or in our office)
• Paid vacations and sick-leaves, additional days-off, relocation bonus
• Wellness: medical insurance / sport compensation / health check-up + flu vaccination at your choice
• Education: regular tech-talks, educational courses, paid certifications, English classes
• Fun: own football team, budget for team-lunches, branded gifts

About the Product:
 

They build one of the most trusted AI order-taking systems for drive-thrus, designed specifically for high-volume QSR environments and built to scale. Their AI consistently delivers over 93% order completion and 96% accuracy, enabling faster, error-free service across thousands of locations.

Their platform gives brands full control over scripts, upsells, and voice, while allowing franchisees to easily adapt menus, limited-time offers, and regional variations. Built-in labor optimization reduces employee stress and turnover, saves hours of labor every day, and significantly improves the guest experience.

They are growing rapidly and operate the largest number of voice-AI drive-thru deployments in the market, competing directly with both big tech and restaurant technology leaders.

They are now looking for a Staff Engineer to join their Infrastructure team and help shape the backbone of a highly complex, real-time system at scale.

 

About the Role:
 

As a Staff Engineer, you will operate at a high level of ownership and impact, working on systems that are already live in production and used at massive scale.

You will:

• Own and evolve critical parts of the core backend infrastructure -a real-time, distributed system written in Python and Rust
• Lead large technical initiatives end-to-end with minimal guidance
• Troubleshoot and resolve high-severity, complex production issues
• Continuously improve development velocity while maintaining exceptionally high reliability standards

Why You Should Apply

This role is ideal for engineers who want real technical ownership, not just influence on paper.

By joining them, you will:

• Work on mission-critical, real-time systems deployed at massive scale
• Tackle hard infrastructure problems involving networking, performance, concurrency, and reliability
• Have genuine autonomy to design, build, and ship impactful solutions
• Compete technically with top-tier big tech systems while retaining startup-level speed
• Influence architecture decisions that directly affect thousands of real-world locations
• Be part of a team that values deep technical excellence, resilience, and ownership

If you’re looking for a role where your experience truly matters - and where the problems are genuinely difficult - this is it.

Qualifications

• BSc in Software Development or equivalent industry experience
• Previous experience as a Staff or Principal Engineer in a startup environment
• 10+ years of Python development experience
• Strong experience with Python Asyncio
• Excellent software design and architecture skills
• Strong written and verbal communication skills
• Significant experience with at least one strongly typed language (Rust, C++, Go, Swift, Java, etc.)
• Deep understanding of networking protocols and operating systems
• Deep expertise in Python profiling and performance optimization
• Proven experience delivering and troubleshooting production-grade, cloud-based distributed systems
• Experience building and debugging real-time, low-level systems (e.g., kernel, drivers, RTOS)
• Hands-on experience with Kubernetes and Helm
• Experience working with multiple observability stacks
• Strong LLM prompting skills, while also being effective without them
• Experience with gRPC and gRPC troubleshooting
• Contributor or maintainer of an open-source project

Bonus Experience

• Knowledge of WebRTC, STUN/TURN, SIP, RTP, HLS, or RTMP
• Experience with Rust and PyO3
• Audio or voice-related programming experience

Qualities They’re Looking For

• Fast - you aim to be a true 10x engineer, not just another senior profile
• Resilient - comfortable balancing planned work with urgent, real-time issues
• Clear communicator - able to write concise documentation and explain complex ideas
• Strong problem solver with a systems-level mindset
• Extreme ownership and independence
• Ability to turn incomplete or ambiguous requirements into real products
• A collaborative team player who raises the technical bar around them
  
  If you’re passionate about AI, real-time systems, and backend development at scale, we’d love to hear from you!

We are developing an innovative, conversational voice-based AI tailored for the restaurant industry. Our AI-powered solution is designed to enhance customer interactions, increase efficiency, and improve overall service quality. Our first major deployment focuses on automating order-taking in Quick Service Restaurants (QSRs), reducing employee workload while driving higher sales and a seamless customer experience.
 

What You’ll Bring:

• 6+ years of experience in Python
• Strong background in software design and backend development
• Hands-on experience deploying multiple production projects
• Expertise in Docker, Kubernetes, Microservices, CI/CD, and cloud environments (AWS, GCP, Azure)
• BSc in Computer Science or equivalent industry experience
• Key qualities: Leadership skills, High performer, team player, fast learner, strong ownership mentality, and great communication skills
   

Bonus Qualifications:

• Architect-level experience with deep system design knowledge
• Familiarity with gRPC, Async IO, WebRTC
• Experience with Ansible
   

About the Role:

Our backend is fully developed in Python, running in a cloud-based Kubernetes environment. Unlike traditional backend systems that primarily interact with a UI, this system is responsible for processing real-time audio streams and executing complex AI-driven algorithms.

The role involves:

• Designing and implementing key backend components, focusing on distributed architecture, concurrency, and high-performance scaling
• Optimizing real-time data processing for AI-driven applications
• Ensuring backend reliability, scalability, and efficiency in a production environment
   

We are committed to building an exceptional team that values diversity, innovation, and excellence.

If you’re passionate about AI, real-time systems, and backend development at scale, we’d love to hear from you!

We are seeking a Software Architect for the cutting-edge FinTech project from the US

What is this project about?

This is a cutting-edge FinTech project from the US. Its main goal is to manage and schedule debts for US customers using a popular payment system.

The digital collection strategy allows clients to pay at their own pace on a customizable plan that works for them.

The customers have a proprietary online portal to manage their accounts. The platform offers them multiple installment payment options, nearly instant account updates, and even potential discounts for many accounts.

About the Team

You will be part of a collaborative setup: Tech Lead Engineer, Senior BE Engineer, Senior DevOps Engineer, Middle FE Engineer, Middle Full-stack Engineer, Middle BE Engineer, Middle AQA, Middle QA, Middle DevOps Engineer, UI/UX Designer, Data Engineer,  Junior QA, and Project Manager.

Hard skills

• 7+ years of experience in Software Engineering;
• 2+ years in a Tech Lead or Architect role;
• Extensive experience with Python/Django or FastAPI;
• Understanding of frontend architecture principles (React is a plus);
• Hands-on experience with micro-services architecture and multi-tenancy;
• Experience designing scalable architectures and driving technical decision-making with a focus on stability, quality attributes, and performance;
• Solid knowledge of PostgreSQL, API design, and system integrations;
• Strong AWS background, confidence with DevOps practices (CI/CD, monitoring);
• Confident with version control (e.g., BitBucket) and branching strategies;
• At least an Upper-Intermediate English level or higher;
• Set engineering standards across the project and SDLC, control their execution, efficiency, and continuous improvement;
• High sense of ownership for the project deliverables, experience in working in regular releases, deadlines, and a changing environment;
• Proven experience on measurably incensing project quality;
• Experience with the fintech domain and payment integrations;
• Experience with agile methodologies (Scrum and Kanban);
• Experience in translating business needs into scalable engineering solutions for complex products and systems;
• Work directly with clients to identify goals, constraints, and expected business outcomes;
• Experience facilitating communication between business stakeholders and engineering teams to ensure shared understanding of requirements and solution design;
• Follow best practices of clear, transparent communication across all stakeholders

Responsibilities

• Analyze requirements, propose solutions, and troubleshoot production issues;
• Design scalable architectures and drive technical decision-making with a focus on stability, quality, performance, and other quality attributes;
• Ability to independently contribute to infrastructure, DevOps, database-related, and other technically complex engineering activities.
• Mentor team members, set engineering standards across the project and SDLC, control their execution, efficiency, and continuous improvement;
• Guide cross-functional teams from an architectural perspective, establishing high standards for quality, ownership, and collaboration;
• Cover a high complexity development task;

Hey you! 👋

We’re a creative digital studio working on branding, websites, apps, and interactive products for clients from the US, Canada, and Europe. We create animations, motion graphics, UI animations, brand visuals, and sometimes weird but cool things. We care about details, good taste, smooth motion, and people who actually love what they do.

Right now we’re looking for a Digital Motion Designer who knows how to make things move beautifully, smoothly, and meaningfully — not just “animate”, but bring designs to life.

What You’ll Be Doing

• Creating UI animations and micro-interactions
• Logo and branding animation
• Lottie / JSON animations
• Motion graphics for websites, apps, presentations, and promos
• Preparing animations for developers (Lottie, sprites, exports, optimization)
• Preparing presentation-ready animations for clients
• Working with designers and developers to bring ideas to life
• Sometimes working with 3D designer (Blender / Cinema4D)
• Using AI tools in your workflow (Freepik, Midjourney, Kling, Nano Banana, etc.)
• Generating creative ideas, references, and visual concepts using different tools.

What We’re Looking For

✅ 3+ years of commercial experience in motion design

✅ Strong After Effects skills

✅ Understanding of good animation, timing, easing, and motion principles

✅ Experience with UI animation / app / web animations

✅ Lottie / JSON export experience

✅ Experience with AI tools (Freepik, Midjourney, Kling, Nano Banana, etc.) — must have

✅ Attention to details (very important for us)

✅ Ability to prepare files correctly for developers

✅ Ability to prepare and present work to clients

✅ Good visual taste and understanding of modern trends

✅ Creativity and ability to generate ideas

✅ Self-organization and time management

✅ Responsible and reliable person

✅ Someone who actually likes motion design and wants to grow

Nice to Have

🌟 Character animation

🌟 Blender / Cinema4D / Spline

🌟 Logo animation experience

🌟 Storyboarding

🌟 Basic sound design for motion

Important Note

We have a lot of projects and a lot of work, so we’re looking for someone who can:

• manage their time
• work steadily without burnout
• communicate if deadlines are tight
• keep a healthy work pace
• care about quality, not just speed

We don’t expect superhuman speed — we expect consistency, responsibility, and love for what you do.

What We Offer

• Salary based on interview results
• Remote work
• Interesting international projects
• Support, mentoring, and growth
• Friendly team with no corporate nonsense
• Paid courses to grow and attending different conferences
• Opportunity to grow into Senior / Art Direction / Motion Lead

How to Apply

Send us:

• Portfolio (required)
• Showreel (if you have)
• A few words about yourself and why you would like to work with us (your superskills), and also tell us about your hobby :)
• Tools you use
• Your experience with Lottie / UI animation / AI tools

If your portfolio fits what we’re looking for — we’ll contact you.

Overview
We are looking for a Machine Learning Engineer to design and implement intelligent systems that power personalized digital experiences across connected devices and mobile applications.

This is a hands-on role focused on applied machine learning and data engineering, ideal for someone who thrives at the intersection of ML models, data pipelines, and product integration. You will collaborate closely with backend engineers, data scientists, and product managers to bring ML-driven features into production and continuously optimize them based on real-world usage.

Responsibilities:

• Design, train, and deploy machine learning models for use cases such as personalization, recommendations, and visual analysis;
• Build and maintain scalable, production-grade data pipelines (batch and real-time);
• Collaborate with product and engineering teams to translate product ideas into ML-powered features;
• Implement model observability, monitoring, and retraining workflows;
• Optimize inference performance and model serving in resource-constrained environments (e.g., edge or mobile);
• Contribute to the architecture of a modern ML platform within a cloud-native microservices environment;
• Work with backend teams to expose model outputs via APIs and integrate them into customer-facing experiences;
• Stay up to date with recent ML/AI advancements and evaluate promising methods for future implementation.

Requirements:

• 3+ years of experience in applied machine learning or data science;
• Strong knowledge of:
  • Supervised learning, recommendation systems, or computer vision;
  • Python and ML libraries such as TensorFlow, PyTorch, scikit-learn;
  • Building, deploying, and maintaining ML models in production.
• Familiarity with:
  • MLOps tools (e.g., MLflow, TFX, Airflow, Vertex AI);
  • Data pipelines and messaging systems (e.g., Kafka, BigQuery, dbt);
  • Model serving frameworks (e.g., FastAPI, TensorFlow Serving, TorchServe, ONNX);
• Comfortable collaborating with product, engineering, and analytics teams;
• Experience with cloud platforms (GCP, AWS, or Azure) and container-based deployments;
• Bonus: Experience with edge AI, mobile ML, or video/image processing pipelines.

Requirements 

Experience 

• 5+ years of software development experience
• Strong expertise in Golang and building production-grade backend systems. 

Architecture & Systems 

• Solid understanding of microservices and distributed systems (concurrency, messaging, event-driven design). 
• Proven experience designing and supporting high-load systems. 

Cloud & Databases 

• Hands-on experience with AWS (EC2, S3, RDS, Lambda, API Gateway). 
• Advanced PostgreSQL skills, including query optimization, indexing, and replication. 

Containers & DevOps 

• Strong experience with Docker and Kubernetes. 
• Understanding of CI/CD pipelines and Infrastructure as Code concepts. 

Leadership & Soft Skills  

• Excellent communication and collaboration skills. 
• English: Upper-Intermediate or higher. 
• Proactive, ownership-driven, and results-oriented mindset. 

Nice to Have 

• Experience with high-traffic or mission-critical systems. 
• Knowledge of Redis, Kafka, RabbitMQ, MongoDB, or similar technologies. 
• Experience with Terraform or CloudFormation. 
• Background in healthcare or pharmaceutical software. 
• Familiarity with security standards and compliance (GDPR, HIPAA). 

Responsibilities: 

• Design & Develop: Build robust backend services and RESTful APIs in Golang to power our cloud-based CRM system, ensuring high performance and scalability. 
• Microservices Architecture:Implement and maintain an event-driven microservices architecture, including inter-service communication and data pipelines. 
• Database & Optimization: Work extensively with PostgreSQL(complex queries, indexing, performance tuning) to handle large volumes of data efficiently. 
• DevOps Collaboration:Collaborate with DevOps engineers to deploy and operate services using Docker, Kubernetes, Terraform, and AWS (EC2, S3, RDS, Lambda, etc.), following CI/CD best practices. 
• Code Quality:Ensure high code quality by writing unit/integration tests and participating in code reviews, following best practices for maintainability and security. 
• Team Collaboration:Work closely with front-end developers, QA, and product managers in an Agile environment to deliver features from concept to production, and troubleshoot issues in a timely manner. 

We Offer 

• Competitive Compensation with regular reviews and performance-based bonuses. 
• 100% Remote & Flexible Work schedule. 
• Paid Time Off: 24 working days of paid vacation, plus paid sick leave and public holidays. 
• Great Team & Culture: an international team with open communication, no micromanagement, and a strong focus on innovation and growth. 

Junior SEO Specialist

We are looking for a Junior SEO Specialist to join our friendly team — someone who is eager to grow in this field and dive deep into the specifics of a highly competitive niche.

Requirements
At least 1 year of experience in SEO
English level B1 or higher
Recent hands-on SEO experience within the last year
Solid knowledge of off-page and on-page SEO
Basic to intermediate knowledge of HTML and on-page SEO (semantic markup)
Confident use of SEO tools such as Ahrefs, Screaming Frog, and others, as well as Google Search Console and AI tools
Mandatory experience with CMS WordPress
Proven successful SEO cases and results (with the ability to demonstrate them)
Ability to conduct audits and analysis of websites, rankings, competitors, user behavior, and conversions, and identify growth opportunities
Practical link-building experience and the ability to analyze different types of backlinks
Understanding of search engines and ranking principles (Google)

Nice to have
Experience or interest in the gaming industry
Experience working with projects targeting Western markets
Experience launching projects from scratch
Experience working with large mono-brand or review projects

Responsibilities
Managing the full lifecycle of website launches for Western GEOs — from niche selection to active promotion
SEO analysis: keyword research and clustering, analysis of competitors’ anchor links
Technical SEO audits: conducting technical website audits
Content management: creating and optimizing content, assigning tasks to copywriters, analyzing competitors’ content, and publishing content on the website
Collaborating with SEO specialists, link builders, developers, content managers, designers, and project managers
Link management: analyzing competitors’ backlinks, developing link-building strategies, managing backlink databases, ensuring link quality
Monitoring and analyzing performance and results

We offer
Opportunities for professional growth
Experience in one of the most promising industries
Career development alongside top specialists in the market
A friendly and supportive team environment
Social benefits package, including 100% paid vacation and sick leave
Flexible start and end of the working day
Fully remote work

About BULLS MEDIA
BULLS MEDIA is a global leader in digital marketing, dedicated to simplifying decision-making and connecting customers with top-tier brands. Our cutting-edge technology empowers millions of consumers worldwide to make smarter and more confident purchasing decisions.

Our expertise lies in building high-performing review websites. We specialize in developing streamlined landing pages for our clients, ensuring seamless customer experiences while efficiently collecting and managing data through our proprietary tracking system.

We are currently seeking an HR Manager to join our team for temporary duration.

What You Will Do

• Conducting performance reviews and supporting performance management processes
• Participating in and driving Learning & Development (L&D) initiatives for employees
• Managing the onboarding process to ensure smooth employee integration
• Conducting regular one-on-one (1:1) meetings with employees
• Managing the offboarding process, including exit interviews and documentation
• Preparing and analyzing HR reports and metrics (e.g., turnover, engagement, hiring data)
• Coordinating the recruitment process in collaboration with hiring managers

• Office administration: organizing the smooth operation of the office, coordinating administrative processes, maintaining documentation, purchasing office supplies, and ensuring comfortable working conditions for the team.

   

What We Offer

• 21 days of paid leave per year
• 7 days of sick leave annually
• Health insurance
• English-speaking clubs
• Corporate events and team-building activities
• Long-term cooperation
• Annual performance review
• All necessary technical equipment provided
• Hybrid work format: 4 days in the office, 1 day fully remote

Required Experience to Succeed in This Role:

• At least 1.5 year of experience in an HR / Recruitment role within a company
• Intermediate+ level of English (spoken and written)
• Excellent administrative and organizational skills
• Experience conducting terminations, hearings, and managing HR documentation
• Comfortable working with data and HR systems (data-driven mindset)
• Strong interpersonal and communication skills
• Ability to manage budgets and prepare detailed HR reports
• Bachelor’s or Master’s degree in Human Resources, Business Administration, or a related field (nice to have)

Softsich is an international product tech company that develops scalable B2B digital platforms. We’re on the lookout for an experienced Payment Integration Manager who’s ready to grow with us and shape high-load, data-driven solutions used by international partners.

If you are systematic and focused on business impact, this role is for you.

Requirements

• At least 1 year of experience in payment integrations, including PSPs, payment gateways, alternative payment methods, e-wallets, and card processing.
• Hands-on experience with PayAdmit as a payment orchestration platform.
• Experience configuring payment routing, cascading, and transaction processing logic.
• Strong understanding of the payment lifecycle, decline reasons, and payment performance optimization techniques.
• Experience managing payment flows in high-load systems.
• Ability to analyze key payment performance metrics, including Approval Rate (AR), conversion rates, and payment decline reasons.
• Experience working with payment dashboards and merchant panels.
• High level of responsibility, structured thinking, and attention to detail.
• Understanding of cross-functional team collaboration processes and payment workflow statuses.

Responsibilities

• Full technical setup and optimization of Approval Rate (AR) for assigned Payment Service Providers (PSPs), payment methods, and geographic regions.
• Management of payment flows through PayAdmit or an internal administration panel.
• Design and optimization of payment routing logic to improve transaction approval rates.
• Configuration and enhancement of cascading, retry, and fallback strategies.
• Conducting A/B testing of payment scenarios to improve business performance metrics.
• Monitoring transaction performance, system stability, and key payment KPIs.
• Analyzing Approval Rate declines and resolving issues at the configuration level.
• Coordinating the launch of new PSPs, payment methods, currencies, limits, and geographic markets in collaboration with technical teams and external partners.
• Working closely with Development, Finance, Compliance, and Support teams to ensure uninterrupted operation of the payment infrastructure.
• Acting as the technical owner of payment orchestration processes within the assigned area of responsibility.

Nice to Have

• Experience working with European markets.
• Experience preparing technical documentation and integration requirements.
• Experience building and maintaining relationships with payment service providers.
• Experience coordinating integrations of new PSPs and payment methods.
• Understanding of payment orchestration principles and payment route optimization in international markets.

What we offer:

– Flexible schedule and remote format or offices in Warsaw/Kyiv — you choose.

– 20 paid vacation days, sick leaves, and health insurance (UA-based, other locations in progress).

– A supportive, friendly team where knowledge-sharing is part of the culture.

– Coverage for professional events and learning.

– Birthday greetings, team buildings, and warm human connection beyond work.

– Zero joules of energy to the aggressor state, its affiliated businesses, or partners.

Send over your CV now — we’d love to get to know you better!

NuxGame is a dynamic IT company delivering top-tier software solutions for the iGaming industry. We empower operators of all sizes to expand into new markets, strengthen their existing brands, and achieve ambitious business goals.

We are looking for a Senior DevOps Engineer who is passionate about building resilient infrastructure and ensuring high availability for high-load systems. If you thrive in complex cloud-native environments and enjoy working with scalable architectures, this opportunity is for you.

 What Will Be Your Responsibilities

• Design, build, and optimize high-load, highly available server-side platforms (Nginx, PHP-FPM, MySQL, Redis, message queues).
• Architect and maintain Kubernetes-based platforms and containerized workloads (Docker, Helm, GitOps).
• Design and operate secure network infrastructure:
  • Firewalls (iptables, UFW, security groups, NACLs)
  • Reverse proxies and L7/L4 load balancers
• Implement DDoS protection and WAF strategies (Cloudflare, rate-limiting, bot protection).
• Build and maintain observability stack:
  • Metrics (VictoriaMetrics, Prometheus)
  • APM (New Relic, OpenTelemetry)
  • Centralized logging and alerting
• Design, implement, and continuously improve CI/CD pipelines (Jenkins, GitHub Actions).
• Automate infrastructure and platform lifecycle using Infrastructure as Code and configuration management.
• Participate in architecture design, reliability engineering, and capacity planning.
• Ensure security, compliance, and audit readiness (PCI DSS, secrets management, access control).

What We Expect From You

• Strong hands-on Linux expertise (Debian, Ubuntu, systemd, networking, performance tuning).
• Deep experience with AWS:
  • Compute (EC2, ASG, EKS)
  • Networking (VPC, Load Balancers, peering)
  • Managed databases (RDS Aurora)
  • Messaging (SQS, Kafka)
• Strong database operations knowledge: MySQL HA, replication, backup strategies.
• Production experience with Kubernetes (cluster architecture, HA, upgrades, disaster recovery).
• Advanced CI/CD experience: Jenkins, GitHub Actions, GitOps practices.
• Strong Cloudflare expertise: DNS, CDN, WAF, DDoS protection.
• Infrastructure as Code: Terraform (mandatory), Ansible.
• Scripting and automation in Bash and Python.
• Solid understanding of networking and security fundamentals (TLS, IAM, VPN, firewalling, zero-trust).
• Experience working in regulated environments or with security standards (PCI DSS is a plus).

 Tech Stack

AWS, Kubernetes, Terraform, Helm, GitHub Actions, VictoriaMetrics, Grafana, New Relic, Aurora, Redis, Cloudflare, Python, Bash.

What We Offer:

We believe that a happy team builds the best products. Here is how we support you:

Remote & Flexible – Work from anywhere. Our core hours are 09:00/10:00 to 17:00/18:00 (Kyiv time), Monday–Friday.

Financial Stability – Timely compensation payments.

Personal Equipment Policy – Equipment is provided to ensure comfortable and efficient work.

Knowledge Sharing – We regularly gather to discuss new trends, share insights, and grow together.

Community – Work in a team of like-minded professionals who support, inspire, and tackle complex challenges together.

Creative Freedom – We encourage initiative and provide space for professional expression and implementation of your ideas.

Time-off Policy: up to 29 days off per year, including up to 5 days for health-related absence (without medical confirmation);

Atmosphere – A friendly, results-oriented environment focused on mutual respect, free from unnecessary bureaucracy and pressure.

We believe in unlocking the inner potential of each team member within an open and democratic culture.

We look forward to welcoming you to our team! 

• Project Description:

  Our team is working for one of the world's largest providers of products and services for the ever-evolving needs of the energy industry. Oil and gas domain, well logging.

  
  We are working with Azure cloud, GIT, Kubernetes, using C#, C++ last standards (C++ 17, potentially 20). Using SCRUM framework.

   

• Responsibilities:

  • Review and analyze tasks in Product Backlog Items provided by Product owner
  • Participation in grooming sessions and proactive task requirements and acceptance criteria clarification
  • Work as part of a team using Azure environment
  • Work with the team on development and resolving issues
  • Implement software changes from Product Backlog Items and technical requirements
  • Work with the QA team to determine if the application fit Product Backlog Items and technical requirements
  • Identify and fix bugs, find solutions to the problems
  • Maintain code quality, organization, and automatization
  • Maintain the developed software efficiently through a solid knowledge of software lifecycle

   

• Mandatory Skills Description:

  • 4+years of experience and strong knowledge in C/C++
  • Some experience and .NET/C# knowledge
  • Environment and tools: Docker, GIT, CMake, WCF
  • SOA, Microservices, Solid principles, DDD
  • Experience with databases (SQL)
  • Problem-solving, proactive in task clarification, analytical thinking
  • SCRUM framework knowledge and understanding of SDLC
  • English level: Intermediate+
  • Ability to work effectively in a team and with international clients