Jobs

About the Role

We are looking for a Cloud Platform Engineer with strong expertise in Azure Cloud and Kubernetes to join a growing engineering team. In this role, you will be responsible for designing, implementing, and supporting cloud-native platforms, workflow orchestration solutions, and event-driven architectures. You will work closely with international stakeholders to improve scalability, reliability, and automation across modern cloud environments.

Responsibilities

• Design, implement, and support cloud-native and containerized solutions
• Manage, optimize, and troubleshoot Kubernetes environments (AKS preferred)
• Develop and maintain workflow orchestration platforms and automation pipelines
• Build and support messaging and event-driven integration solutions
• Improve CI/CD processes, GitOps practices, and infrastructure automation
• Implement Infrastructure as Code (IaC) and cloud governance best practices
• Monitor platform health, performance, and reliability
• Collaborate with architects, developers, and business stakeholders in an international environment
• Contribute to platform improvements, operational excellence, and technical standards

Requirements

Must Have

• Strong hands-on experience with Kubernetes (AKS preferred)
• Solid experience with Microsoft Azure
• Experience with workflow orchestration tools such as:
  • Argo Workflows
  • Temporal
  • Apache Airflow
• Experience with messaging and integration technologies:
  • Kafka
  • Azure Service Bus
  • Azure Event Hub
• Strong Python skills for automation and scripting
• Experience with CI/CD pipelines and DevOps practices
• Knowledge of GitOps principles
• Experience with Infrastructure as Code (Terraform, Bicep, or similar)
• Experience with monitoring and observability solutions
• Understanding of cloud-native architecture and distributed systems
• Good communication skills and consultative mindset
• Upper-Intermediate English or higher

Nice to Have

• Experience with ArgoCD
• Experience with Helm
• Azure certifications
• Experience with microservices architecture
• Experience working in enterprise cloud environments
• Knowledge of security best practices in Kubernetes and Azure

What We Offer

• Opportunity to work on modern cloud-native platforms
• International and collaborative environment
• Challenging technical projects using modern technologies
• Long-term cooperation
• Remote work flexibility
• Professional growth and development opportunities

Technology Stack

Azure, AKS, Kubernetes, Python, Kafka, Azure Service Bus, Azure Event Hub, Argo Workflows, Temporal, Airflow, GitOps, CI/CD, Terraform, IaC, Monitoring & Observability

Meet the YozmaTech

YozmaTech isn’t just another tech company – we’re a global team of go-getters, innovators, and A-players helping startups and product companies scale smarter and faster.
We build dedicated development teams across 10+ countries, creating strong, long-term partnerships based on trust, transparency, and real impact.
Here, every idea counts. We value people who are proactive, open-minded, and ready to grow. If you’re passionate about building meaningful products and want to join a team that feels like family – you’ll feel right at home with us.

Our client is looking for a Senior Full Stack Engineer with strong expertise across both frontend and backend, a passion for building scalable, high-quality products, and proven ability to handle end-to-end feature development.

In this role, you’ll play a key part in advancing our web architecture, improving system performance, and enhancing the overall development standards of our platform. You’ll work on complex real-time products, helping shape fast, reliable, and user-friendly experiences.

If you enjoy solving technical challenges, working with modern technologies, and creating clean, efficient solutions — we’d love to connect.

This role offers the opportunity to make a direct impact on product quality, technical decisions, and overall platform growth within a fast-moving and collaborative environment.

Key Requirements:
🔹 5+ years of software engineering experience, with strong frontend expertise in modern JavaScript frameworks (React, Angular, Vue), TypeScript, and modern build tools (Vite, Next.js, SWC);
🔹 Proven experience improving frontend architecture and scaling web applications;
🔹 Strong understanding of TypeScript, build tools (Webpack, Vite), and browser APIs;
🔹 Solid backend fundamentals 5+ years — API design, data flow management, and building scalable systems with Python as a must-have and Node.js considered a strong plus.
🔹 Hands-on experience with AI tools such as Cursor, Claude, and ChatGPT
🔹 Product-oriented mindset with strong attention to UX, quality, and maintainability;
🔹 Strong communication skills and the ability to work effectively in cross-functional teams;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Drive frontend improvements by introducing better development practices, tools, and modern technologies;
🔹 Design and develop scalable, high-performance web applications using React and modern frontend frameworks;
🔹 Take ownership of features from planning to production, including technical design, implementation, and optimization;
🔹 Work closely with Product, Design, and engineering teams to deliver smooth and intuitive user experiences;
🔹 Support backend development in Python to ensure strong integration across the full product stack;
🔹 Improve development processes, code quality, testing, and overall engineering efficiency;
🔹 Focus on performance, reliability, and maintainability across the platform;

Interview stages:
🔹 HR Interview
🔹 Intro Call
🔹 Technical Interview
🔹 Final Interview
🔹 Reference Check
🔹 Offer

Why Join Us?

At YozmaTech, we’re self-starters who grow together. Every day, we tackle real challenges for real products – and have fun doing it. We work globally, think entrepreneurially, and support each other like family. We invest in your growth and care about your voice. With us, you’ll always know what you’re working on and why it matters.
From day one, you’ll get:
🔹 Direct access to clients and meaningful products;
🔹 Flexibility to work remotely or from our offices;
🔹 A-team colleagues and a zero-bureaucracy culture;
🔹 Opportunities to grow, lead, and make your mark.

After you apply

We’ll keep it respectful, clear, and personal from start to offer.
You’ll always know what project you’re joining – and how you can grow with us.

Everyone’s welcome

Diversity makes us better. We create a space where you can thrive as you are.

Ready to build something meaningful?

Let’s talk. Your next big adventure might just start here.

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.

The ideal candidate has previous startup experience and is passionate about building products from the ground up. We’re looking for someone who genuinely enjoys coding, solving complex technical challenges, taking ownership, and moving fast in a high-impact environment.

About the Role

We are specifically looking for a Founding Engineer who is skilled enough to drive architecture and infrastructure decisions while remaining deeply hands-on in development.

The key requirements are a startup mindset, ownership, autonomy, and strong technical execution.

You’ll work directly with the founder on both technical and product decisions while helping to shape the company’s engineering culture and technical direction.

What You’ll Do

• Architect, prototype, and build product features from scratch.
• Develop integrations with AI platforms (OpenAI, Perplexity, etc.).
• Build integrations with 3rd-party systems and CRMs.
• Design scalable backend services and APIs.
• Work on AI agents, RAG systems, and prompt engineering.
• Design and optimize SQL databases.
• Build cloud-native infrastructure on AWS/GCP/Azure.
• Implement asynchronous task-processing patterns (RabbitMQ, SQS).
• Collaborate directly with the founder on product and business decisions.
• Help define technical standards and engineering best practices.
• Contribute to a fast-moving startup environment with high ownership.

RequirementsMust-Have

• Senior-level software engineering experience
• 1+ year of startup experience (ideally direct hire at a start up)
• 5+ years of commercial development experience
• Strong hands-on experience with:
  • TypeScript
  • Node.js
  • REST APIs
  • JSON
  • Git
• Experience building AI agents, RAG systems, or LLM-powered products
• Strong prompt engineering skills
• Experience with API integrations
• Strong SQL and database design skills
• Experience with cloud infrastructure (AWS, GCP, or Azure)
• Understanding of asynchronous systems and queues (RabbitMQ, SQS, or similar)
• Strong communication skills and product mindset
• High level of ownership and autonomy

Nice-to-Have

• Previous CTO or technical leadership experience
• Experience with n8n or Make
• Experience building SaaS products
• Experience scaling early-stage startups
• Infrastructure and architecture leadership experience

What We Offer

• Full-time engagement
• Fully remote work
• Long-term cooperation
• Founding member equity
• Opportunity to directly influence company and product strategy
• Fast personal and professional growth
• Freedom, ownership, and real responsibility
• Opportunity to grow into a future CTO role
• Modern AI-first development environment (including Cursor Agent mode)
• U.S. company contract
• Paid vacation days

Recruitment Process

1. Pre-screen with a recruitment manager
2. Pre-screen call witht the startup founder
3. Technical deep-dive interview with a small live coding session
4. Call to meet the team

We are looking for a Founding Engineer to join a fast-growing start-up developing a product for automated lead generation and recruitment outreach.

The ideal candidate has previous startup experience and is passionate about building products from the ground up. We’re looking for someone who genuinely enjoys coding, solving complex technical challenges, taking ownership, and moving fast in a high-impact environment.

About the Role

We are specifically looking for a Founding Engineer who is skilled enough to drive architecture and infrastructure decisions while remaining deeply hands-on in development.

The key requirements are a startup mindset, ownership, autonomy, and strong technical execution.

You’ll work directly with the founder on both technical and product decisions while helping to shape the company’s engineering culture and technical direction.

What You’ll Do

• Architect, prototype, and build product features from scratch.
• Develop integrations with AI platforms (OpenAI, Perplexity, etc.).
• Build integrations with 3rd-party systems and CRMs.
• Design scalable backend services and APIs.
• Work on AI agents, RAG systems, and prompt engineering.
• Design and optimize SQL databases.
• Build cloud-native infrastructure on AWS/GCP/Azure.
• Implement asynchronous task-processing patterns (RabbitMQ, SQS).
• Collaborate directly with the founder on product and business decisions.
• Help define technical standards and engineering best practices.
• Contribute to a fast-moving startup environment with high ownership.

RequirementsMust-Have

• Senior-level software engineering experience
• 1+ year of startup experience (ideally direct hire at a start up)
• 5+ years of commercial development experience
• Strong hands-on experience with:
  • TypeScript
  • Node.js
  • REST APIs
  • JSON
  • Git
• Experience building AI agents, RAG systems, or LLM-powered products
• Strong prompt engineering skills
• Experience with API integrations
• Strong SQL and database design skills
• Experience with cloud infrastructure (AWS, GCP, or Azure)
• Understanding of asynchronous systems and queues (RabbitMQ, SQS, or similar)
• Strong communication skills and product mindset
• High level of ownership and autonomy

Nice-to-Have

• Previous CTO or technical leadership experience
• Experience with n8n or Make
• Experience building SaaS products
• Experience scaling early-stage startups
• Infrastructure and architecture leadership experience

What We Offer

• Full-time engagement
• Fully remote work
• Long-term cooperation
• Founding member equity
• Opportunity to directly influence company and product strategy
• Fast personal and professional growth
• Freedom, ownership, and real responsibility
• Opportunity to grow into a future CTO role
• Modern AI-first development environment (including Cursor Agent mode)
• U.S. company contract
• Paid vacation days

Recruitment Process

1. Pre-screen with a recruitment manager
2. Pre-screen call witht the startup founder
3. Technical deep-dive interview with a small live coding session
4. Call to meet the team

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 — including firewalls, cloud services, SASE, SD-WAN, and microsegmentation — while ensuring compliance and reducing risk.

Position Description:

This role combines excellent technical skills, driving multidisciplinary Data Science initiatives within complex, security policy management systems. The role drives the development of innovative, production-grade AI capabilities - including security AI agents and advanced machine learning models built on complex security data. Original thinking, deep technical rigor, intellectual agility, and exceptional problem-solving are essential.

Key Responsibilities

• Develop Data Science initiatives from problem definition through validation, production deployment, and monitoring of AI systems
• Develop security-focused AI agents and reasoning systems
• Develop advanced ML capabilities, including predictive modeling, anomaly detection, and classification
• Adapt and fine-tune LLM technologies for domain-specific security use cases

Position Requirements:

• M.Sc. in Data Science, Computer Science, Statistics, Mathematics, or a related quantitative discipline
• At least 3 years of hands-on Data Science experience, delivering end-to-end solutions into production environments
• Deep understanding of machine learning theory and practical model behavior
• Expertise in Python and the modern Data Science ecosystem (NumPy, Pandas, Scikit-learn, PyTorch / TensorFlow, etc.)
• Solid understanding of LLM architectures and fine-tuning methodologies
• Excellent interpersonal skills and proven ability to work within multidisciplinary product teams
• Strong analytical rigor and structured problem-solving capability

On behalf of our Client from the UK, Mobilunity is looking for a DevOps Engineer

Our Client is a fast-growing SaaS company operating in the telecom and subscription billing space. Their platform supports billing operations for telecom providers and service companies, focusing on reliability, scalability, and continuous product growth.

We are looking for a hands-on DevOps Engineer to contribute to the reliability, scalability, and
automation of our platform and delivery processes. The focus is on building, improving, and
operating services through code and automation — supporting consistent deployments and stable
environments, while working closely with development teams in alignment with Tekton’s technical
strategy.
This is a role for someone who prioritises automation over manual intervention, takes ownership of
assigned systems, and has the proactivity to identify and resolve issues before they become
problems.

Core Responsibilities
CI/CD Pipelines
• Build, maintain, and improve pipelines (AWS CodePipeline / CodeBuild / CodeDeploy or
equivalent) to support reliable and repeatable deployments
• Work with development teams to improve deployment processes and environment
consistency
Automation & Scripting
• Write and maintain Python and shell scripts to reduce manual tasks and improve operational
efficiency
• Prioritise infrastructure as code and automation approaches over manual intervention
AWS & Hybrid Infrastructure
• Operate and optimise workloads across AWS (ECS, EC2, RDS/Aurora, S3, IAM, VPC)
• Support existing Vinters data centre environments and maintain consistency between cloud
and on-premise workloads
• Contribute to infrastructure as code using Terraform and/or CloudFormation
Containerised Environments
• Build and support Docker-based and Linux containerised environments
• Help provide tooling, scripts, and guidance that enable developers to deploy and operate
services in test environments
Monitoring, Observability & Reliability
• Contribute to system observability using CloudWatch, Prometheus, and Grafana, ensuring
visibility into system health
• Assist in troubleshooting incidents, identifying root causes, and implementing fixes
• Support reliability and performance improvements across platform infrastructure
Security & Compliance
Confidential – For Recruitment Partners Only | Page 1

Tekton Billing | DevOps Engineer (AWS / CI/CD / Automation) – Remote
• Apply security and operational standards across infrastructure and pipelines
• Contribute to knowledge sharing and documentation, avoiding knowledge silos
Skills & Experience

• 5+ years of experience in DevOps, infrastructure, or platform engineering
• Hands-on experience with AWS services: ECS, EC2, RDS/Aurora, S3, IAM, VPC
• Experience building and maintaining CI/CD pipelines
• Strong scripting skills in Python and/or Bash
• Experience with Docker and Linux-based containerised environments
• Solid understanding of monitoring, logging, and alerting
• Ability to troubleshoot and resolve issues independently
• Good written and spoken English; able to collaborate asynchronously across time zones
Desirable
• Infrastructure as Code experience — Terraform and/or CloudFormation
• Exposure to hybrid environments (cloud + on-premise)
• Experience with Ansible or other configuration management tools
• Familiarity with Node.js and backend environments (PM2 or similar)
• Experience with security or compliance standards (e.g. ISO 27001)
• Familiarity with Grafana and Prometheus for observability

English: B2-C1

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 manage and optimize multi-channel paid acquisition campaigns across Meta Ads, Google Ads, TikTok Ads, Programmatic/DSP, Push & In-App traffic, Influencer partnerships, ASA, and UAC;
• You will own media planning, budget allocation, and performance forecasting;
• You will manage monthly advertising budgets ranging from €300k to €1M+ while ensuring profitability and sustainable growth;
• You will monitor and improve key performance metrics such as CAC, CPA, CPI, CPL, ROAS, ROI, ROMI, LTV, Payback Period, and Contribution Margin;
• You will lead and mentor cross-functional performance teams, including Media Buyers, Creative Strategists, Designers, Analysts, and Tracking Specialists;
• You will collaborate closely with product, CRM, analytics, and creative teams to maximize acquisition and retention performance;
• You will build scalable acquisition processes, operational frameworks, and reporting structures;
• You will ensure accurate attribution, tracking, and data collection across all acquisition channels;
• You will continuously test, analyze, and optimize campaigns to identify new growth opportunities.

WHAT WILL HELP YOU SUCCEED IN THE ROLE

• 5+ years of experience in Performance Marketing or Media Buying;
• 2+ years of experience in a leadership position such as Head of Media Buying, Performance Lead, or Acquisition Lead;
• Proven experience working with Tier-1 European markets;
• Hands-on experience managing advertising budgets of €300k–€1M+ per month;
• Strong track record of scaling profitable acquisition campaigns;
• Experience in highly competitive industries such as iGaming and Sports Betting;
• Deep understanding of acquisition economics, including CAC, CPA, CPI, CPL, ROAS, ROI, ROMI, LTV, Payback Period, Contribution Margin, Revenue Attribution, Incrementality, Cohort Analysis, Funnel Optimization, and Retention Impact;
• Strong analytical mindset with the ability to make data-driven decisions;
• Excellent leadership, communication, and stakeholder management skills;
• Upper-Intermediate English level or higher.

REQUIRED SKILLS

• AppsFlyer, Adjust, Kochava, or Singular;
• Google Analytics 4 (GA4);
• Google Tag Manager (GTM);
• Meta Conversion API (CAPI);
• Server-side tracking;
• Postback integrations;
• Attribution and analytics systems.

WILL BE A PLUS

• Experience launching and scaling acquisition strategies for mobile-first products;
• Experience working with influencer and performance partnership channels;
• Strong understanding of marketing automation and CRM-driven acquisition initiatives;
• Experience building and scaling international performance teams;
• Knowledge of advanced experimentation frameworks and incrementality testing.

HOW WE WILL KEEP YOU SMILING

• Flexible working hours and a remote work setup, so you can plan work around your life and not your life around work!
• Unlimited vacation days and paid sick leave—because your rest matters.
• A competitive compensation that truly reflects your skills and expertise.
• Employee referral bonus and gifts to celebrate your special occasions.
• 50% financial support for learning expenses to supercharge your professional growth!
• A positive atmosphere where you always feel respected and truly belong.
• Inspirational team-building activities that turn colleagues into best friends.
• Wellness benefits: We’ll support your sports passions, from yoga classes to gym memberships.
• Co-working space reimbursement to save your nerves from always working from home :)

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! 

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:

  • Maintain and enhance ingestion/enrichment pipelines for internal content (parsing/extraction, normalization, metadata enrichment, deduplication, and quality monitoring)
  • Implement and maintain access-aware retrieval by propagating/enforcing document permissions through indexing and query-time filters, including audit logs and validation tests
  • Improve source attribution so responses reliably point to the correct documents and sections in a consistent format.
  • Extend and harden tool/workflow execution and automations (scheduled/trigger-based), including retries, timeouts, idempotency, concurrency controls, and run history
  • Operate the platform in production: observability (logs/metrics/tracing), alerting, incident support, performance tuning, and cost controls, plus runbooks and handover documentation

• Mandatory Skills Description:

  8+ years of hands-on experience in Data Science and 2+ years in Machine Learning, with a proven track record, demonstrated through a robust portfolio of projects.
  Strong programming skills in languages such as Python and familiarity building ETL pipelines.
  Expertise in SQL and experience with both relational (preferably Postgres) and NoSQL databases
  Solid experience with OpenSearch
  Familiarity with AWS cloud platform and its services.
  Experience with version control systems (e.g., Git) and CI/CD pipelines.
  Ability to build scalable infrastructure to embed and search very large number of documents.
  Ability to move fast in an environment where things are sometimes loosely defined and may have competing priorities or deadlines.
  Expertise in ML
  Strong English skills (B2 and higher)
  Strong verbal and written communication skills.
  Ability to work independently and collaborate in a group.

• Nice-to-Have Skills Description:

  Agile certification
  Oracle/Microsoft attestations and certifications
  Domain knowledge - Trading and Capital Markets

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 “data lake” — including schema management, ETL pipelines, and interfaces to and from storage.

If you’re excited by scale, ownership, and building production-grade data systems, we’d love to meet you.

Tech stack highlights

Key technologies include:

• Processing and streaming: Spark, Kafka
• Data lake and formats: S3, Parquet, Delta Lake, Iceberg, Hadoop, Hive
• Cloud and compute: AWS, EMR/EMR Serverless, Athena
• Analytics and data platforms: BigQuery, BigLake, Aerospike, AWS Glue, Databricks Delta Engine
• Languages: Scala, Python (team focus), plus a broader polyglot engineering environment across AppsFlyer

What you’ll do:

• Design, build, and evolve large-scale data pipelines from raw ingestion to production-ready datasets.
• Develop and maintain Spark/Scala-based data processing workflows for both batch and streaming use cases.
• Own data platform reliability, quality, and performance in production environments.
• Collaborate with engineers, product owners, and stakeholders to define and deliver robust data solutions.
• Help shape engineering standards and operational practices as the DataOS team grows.

What You Bring:

• 3+ years of software engineering experience, with strong hands-on Scala and/or Java development.
• Strong Java core fundamentals.
• Proven experience with Spark and Kafka in production environments.
• Experience with the Hadoop ecosystem and distributed data processing platforms (AWS, GCP, Azure, CDP, MapR, or similar).
• Hands-on AWS experience, especially with S3 and EMR/EMR Serverless (Athena is a strong advantage).
• Experience building and operating cloud-based, high-scale distributed systems.
• Strong analytical and interpersonal skills, with the ability to work effectively across engineering and business teams.
• Professional spoken and written English.

Bonus Points:

• Knowledge of Scala is a plus.
• Experience with AWS authentication/authorization and cloud security fundamentals.
• Experience with CI/CD pipelines and tooling.
• Experience with DevOps and infrastructure-as-code tools (e.g., Terraform).
• Experience in SaaS product companies.
• Referred by an AppsFlyer employee.

Benefits:

• Health Insurance
• Paid Unlimited Vacation Days + all national holidays + additional recharge days
• Meals Reimbursement
• Sport Reimbursement
• Breakfast in the office
• Mental health program
• Team building, happy hours, and other team activities
• Paid sick days
• Snacks, fruits & ice cold beer
• All new team members are provided with a brand-new Mac laptop with 2 monitors and a Starter package

Quantum Systems next-generation unmanned solutions across air, land, and sea. From advanced aerial drones to underwater and ground platforms, our systems combine cutting-edge hardware with AI-driven software for seamless control and real-time data insights. Trusted by defense, security, and public sector clients worldwide, we redefine mission versatility and performance.

Quantum-Systems is a strong supporter of Ukraine and has it’s local Ukrainian office since 2022.
 

The role is based in Kyiv, and we expect you to work full-time in the office.
 

What is your Day to Day Mission:

• Lead team of ML Engineers
• Design, develop, and optimize real-time object detection and tracking models for aerial video from UAVs (EO/IR cameras)
• Implement inference pipelines optimized for edge hardware (e.g., NVIDIA Jetson, Orin)
• Conduct model training, testing, benchmarking, and validation in real flight environments
• Integrate AI models into onboard systems
• Collaborate with other software and hardware teams to ensure robust end-to-end performance
• Research and apply state-of-the-art deep learning methods in computer vision

What you bring to the team:

• 8+ years of experience in AI/ML, with a strong focus on computer vision
• Strong Leadership experience
• Experience building ML infrastructure and training pipelines
• Proven experience in object detection/tracking using models like YOLO, SSD, or custom CNNs
• Proficiency in Python, C++, PyTorch or TensorFlow
• Experience with real-time video processing and optimization techniques (e.g., TensorRT, ONNX, pruning, quantization)
• Solid understanding of data annotation, augmentation, and training workflows
• Familiarity with embedded/edge AI deployments (e.g., Jetson Xavier, Orin)
• Experience working with aerial/surveillance imagery or geospatial data is a strong plus
• Bachelor’s or Master’s degree in Computer Science, Robotics, or related field

Nice to Have:

• Knowledge of GStreamer, OpenCV, or similar real-time streaming frameworks
• Familiarity with UAVs, drone flight control, or defense technologies
• Understanding of object re-identification or multi-target tracking

Why Quantum-Systems:

• We Stand with Ukraine!
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

The role is based in the Kyiv region, and we will expect you to work full-time in the office. We have a shuttle service from the nearest metro station.

What is your Day to Day Mission:

• Design, develop, and optimize real-time object detection and tracking models for aerial video from UAVs (EO/IR cameras)
• Implement inference pipelines optimized for edge hardware (e.g., NVIDIA Jetson, Orin)
• Conduct model training, testing, benchmarking, and validation in real flight environments
• Integrate AI models into onboard systems
• Collaborate with other software and hardware teams to ensure robust end-to-end performance
• Research and apply state-of-the-art deep learning methods in computer vision

What you bring to the team:

• 3+ years of experience in AI/ML, with a strong focus on computer vision
• Proven experience in object detection/tracking using models like YOLO, SSD, or custom CNNs
• Proficiency in Python, C++, PyTorch or TensorFlow
• Experience with real-time video processing and optimization techniques (e.g., TensorRT, ONNX, pruning, quantization)
• Solid understanding of data annotation, augmentation, and training workflows
• Familiarity with embedded/edge AI deployments (e.g., Jetson Xavier, Orin)
• Experience working with aerial/surveillance imagery or geospatial data is a strong plus

• Bachelor’s or Master’s degree in Computer Science, Robotics, or related field

   

 Nice to Have:

• Knowledge of GStreamer, OpenCV, or similar real-time streaming frameworks
• Familiarity with UAVs, drone flight control, or defense technologies

• Understanding of object re-identification or multi-target tracking

   

Why Quantum-Systems:

• We Stand with Ukraine
• We believe in the power of combined efforts: straightforward tech expertise paired with a customer-centric focus.
• We are industry pioneers who are ambitious, bold, and visionary.
• We push limits, think outside the box, and strive for technological excellence to shape the future of aerial data.
• We promise to be your runway for individual and professional growth.

Who we are:

Adaptiq is a technology hub specializing in building, scaling, and supporting R&D teams for high-end, fast-growing product companies in a wide range of industries. 

About the Product: 
Over the past few years Coro has received $175M in funding and is one of the fastest growing Cybersecurity companies in the world. The funding is primarily being used to enhance the Coro Cybersecurity SaaS platform and for additional headcount growth, as Coro continues to expand globally.   

Coro started in Tel-Aviv, Israel and is also headquartered in Chicago, IL with additional offices in New York, London, and remotely across the globe. As a global organization, Coro gives you the ability to work with people and teammates from around the world. 

Coro’s AI enabled Modular Cybersecurity Platform is the only one in the industry specifically designed to provide Mid-Market customers with scalable and affordable “enterprise grade” protection for all of their priority threat vectors. 

About the Role: 

This is a hands-on leadership role for a Backend Team Lead who will guide a team of backend engineers while staying directly involved in coding, architecture, and delivery. You will work on core backend systems behind Coro’s cybersecurity platform, building and scaling high-load services that process large volumes of security and telemetry data in real time.

These systems are responsible for collecting, processing, and analyzing data from multiple sources, including endpoints, cloud environments, and product integrations. They support critical product capabilities such as threat detection, security analytics, anomaly identification, and automated response workflows, making this a mission-critical leadership role at the core of Coro’s product.

If you are looking for a role where you can combine leadership with technical ownership, shape team culture, and build highly scalable backend services for a fast-growing global cybersecurity platform, this is the role for you

Key Responsibilities: 

• Lead a team of highly skilled and passionate developers
• Partner with the Product Manager to build the road-map for the team
• Understand the team objectives and key results and make sure that the team are on the path to achieving them
• Participate in making decisions on the architecture and technologies
• Conduct the team ceremonies: Daily stand-ups, sprint planning and retro meetings
• Help create and enforce strong engineering standards, code quality, and best Engineering practices
• Take an active part in the implementation (hands-on) of the team's various services and features

• Help your team members grow by mentoring them, building their growth plan with them and enable them opportunities to implement it.

   

Required Competence and Skills:

• 6+ years of backend/server-side development with Java
• 2+ years of proven experience leading an engineering team 
• Strong hands-on experience with Spring Framework and MongoDB
• Deep understanding of multithreading and concurrency
• Solid knowledge of OOP concepts and design patterns
• Proven experience with microservices architecture
• Experience working with high-load backend systems
• Proficiency in cloud-native environments (preferably AWS)

Nice to have:

• Experience with Redis and RabbitMQ
• Experience with Elasticsearch/OpenSearch 
• Familiarity with Docker / Kubernetes
• Experience in Cybersecurity domain 

Why Us?

- We provide 20 days of vacation leave per calendar year (plus official national holidays of a country you are based in).

- We provide full accounting and legal support in all countries we operate.

- We utilize a fully remote work model with a powerful workstation and co-working space in case you need it.

- We offer a highly competitive package with yearly performance and compensation reviews.

We are looking for Senior DevOps contractor with AWS\Terraform\Kubernetes experience for our Fintech client who will be able to own projects and help other team members growth

Zapalean is a DevOps-as-a-Service and data engineering agency that helps startups and growing businesses build scalable, secure, and automated infrastructure. We specialize in cloud-native solutions, CI/CD pipelines, infrastructure as code, and system reliability engineering. Our mission is to accelerate product delivery and ensure operational excellence through modern DevOps practices and data-driven insights.

Responsibilities

• Automate AWS resources and infrastructure provisioning
• Develop CI/CD pipelines
• Maintain infrastructures and environments of all types from dev to production
• Maintain Kubernetes clusters
• Security monitoring and administration

Requirements

• 7+ years of working experience in a DevOps role with AWS infrastructures
• Experience with Docker containers, Kubernetes, and Infrastructure as code Terraform
• CI experience (Jenkins, GitHub Actions, etc.)
• Experience with version control systems (Git or similar)
• Scripting skills with either Bash, Python
• Configuration Management experience (Ansible, etc.)
• Good Linux OS knowledge
• Network troubleshooting and configuration skills (DNS, HTTP, SSL, TCP/IP, etc.)
• Understanding of SDLC
• Good written and verbal communication skills in English as you’ll be working with external teams

Job Types: Full-time contractor

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.
We’re 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 let you grow professionally while making a tangible difference in a fast-paced, regulated environment.

CUSTOMER

Our customer is a leading FinTech company providing embedded financing solutions for platforms and marketplaces. Their mission is to enable businesses to offer flexible credit products to customers, helping SMEs access funding quickly and efficiently.
The customer is recognized for innovation in embedded finance, serving thousands of businesses globally and partnering with major platforms. They operate in a regulated environment with a strong focus on scalability, performance, and security.

PROJECT

The project involves enhancing and expanding customer’s embedded finance platform, which integrates directly into partner services to deliver fast, flexible funding to SMEs. You’ll work on a modern tech stack, building features that improve customer and partner experiences while ensuring reliability in production.
Key Technologies: C#, .NET Core, Angular 18, AWS, CI/CD, Docker/Kubernetes, Kafka/RabbitMQ, Datadog, relational & NoSQL databases

Job Description

• Design, build, and deliver features and projects across C#, .NET Core, and Angular stack
• Write clean, maintainable, and well-tested code (unit/integration/e2e)
• Take ownership of features from requirements breakdown to deployment
• Deploy and monitor services in AWS cloud-native environments
• Handle production issues and incidents with accountability
• Collaborate with Product, Design, and Engineering teams in Agile practices
• Contribute to continuous improvement of systems and processes

Qualifications

• 5+ years of experience in software development with strong OOP and system design skills
• Solid hands-on experience with .NET (C#) and Angular
• Understanding of software testing concepts and practices
• Expertise in cloud-native and DevOps practices (CI/CD, automation, monitoring)
• Experience with relational and NoSQL databases
• Knowledge of non-functional requirements (performance, security, availability)
• Proven experience in FinTech, payments, banking, or regulated financial environments
• Upper-Intermediate English level or higher

WILL BE A PLUS

• Experience with Docker/Kubernetes
• Familiarity with event-driven architectures (Kafka, RabbitMQ)
• Proficiency with observability tools (Datadog or similar)
• Knowledge of domain-driven design (DDD) and complex domain modeling

PERSONAL PROFILE

• Growth mindset, curiosity, and proactivity
• Strong problem-solving skills balancing complexity and simplicity
• Feedback-oriented, open to giving and receiving constructive input
• Ownership & accountability in delivering commitments
• Team player with strong collaboration skills
• Adaptability to changing priorities
• Excellent communication skills across disciplines