Jobs

About the role

We are looking for a full-stack developer to join a project — a modern platform for creators that combines content publishing, community building, and monetization in one ecosystem.
 

🔧 Tech stack

Backend:

• Node.js (Sails.js)
• REST API
• PostgreSQL

Frontend:

• Vue.js 2
• React.js (Draft.js)
• HTML + EJS (SSR)
• SCSS
   

🚀 Responsibilities

• Develop and maintain backend services and APIs
• Work with SSR (EJS templates)
• Build and improve frontend features (Vue.js / React)
• Integrate and optimize REST APIs
• Collaborate with product and design teams
   

✅ Requirements

• Strong experience with Node.js
• Experience with PostgreSQL
• Hands-on experience with Vue.js or React
• Understanding of SSR approaches
• Experience working with REST APIs
• Commercial fullstack development experience

➕ Nice to have

• Experience with Draft.js
• Experience with content or creator platforms
• Performance optimization experience
   

Interview Process:

1. Screening call (20-30 min)
2. Technical Interview (45-60 min)
3. Test task (small;)

4. Meeting the client

    

What we offer

• Competitive compensation depending on experience and skills
• A friendly team of like-minded people
• Opportunities for learning and development
• Compensation for sick leaves
• 21 working days paid vacation + all Poland national holidays
• Corporate events and activities
• Private medical care
• Office work or remote working (based on your location)

• Project Description:

  The developed product is a comprehensive software system in the Energy sector, encompassing all stages of Oil & Gas production—from geological exploration to operational optimization. Our technology empowers geologists and geophysicists to effectively analyze, visualize, and interpret extensive geological data.
  
  You will join a senior, supportive, and collaborative team dedicated to delivering high-quality industry solutions.
   

• Responsibilities:

  Provide domain and functional QA support for visualization-focused applications
  Ensure product quality through comprehensive validation of features, workflows, and user interactions
  Contribute as an active QA member within Agile teams to deliver high-quality product increments
  Develop detailed test cases based on requirements, user stories, and acceptance criteria
  Validate complex workflows involving data visualization, interaction, and rendering
  Verify integration between frontend visualization components and backend GIS services, including map/data services and server configurations
  Collaborate with developers, designers, and subject matter experts to define and validate key user workflows
  Participate in Sprint Planning to ensure testing scope and risks are well understood and accounted for
  Set up, manage, and maintain test environments, including datasets required for validation
  Verify that new development changes do not negatively impact existing functionality (regression testing)
  Identify, document, and track defects with clear reproducibility and impact analysis
  Ensure defects are resolved and validated according to defined quality standards
  Perform exploratory testing to uncover edge cases, especially related to performance, rendering accuracy, and user interactions
  Contribute to improving QA processes, test coverage, and automation practices
   

• Mandatory Skills Description:

  Bachelor's or Master's degree from a recognized university in Petroleum Engineering, Geophysics, Geology, Computer Science, or related fields
  Minimum 5 years of QA experience (experience with scientific, engineering, or visualization applications preferred)
  Strong understanding of data-driven applications, particularly those involving spatial, graphical, or engineering datasets
  Basic understanding of upstream oil & gas workflows (well planning, drilling, completions, or subsurface interpretation is a plus)
  Familiarity with visualization concepts such as 2D/3D rendering, coordinate systems, spatial data handling, and large dataset performance considerations
  Working knowledge of GIS backend systems and services, including experience in setting up, configuring, or validating GIS servers (e.g., ArcGIS Server), map services, and data pipelines
  Experience with engineering or scientific applications is an advantage
  Basic knowledge of test automation frameworks and scripting
  Experience with SDLC/STLC processes and strong understanding of testing types: Smoke, Functional, Integration, Regression, Performance, and User Acceptance Testing
  Hands-on experience with Test Case management and Defect tracking tools (e.g., Azure DevOps, JIRA)
  Comfortable working in Agile/Scrum environments
  Strong analytical, problem-solving, and communication skills

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 an AI Data Engineer to help build, maintain, and improve internal and client-facing LLM-powered systems. This role sits at the intersection of data engineering, retrieval infrastructure, and production AI operations, with a strong focus on reliability, retrieval quality, scalability, and operational excellence.

A technology company focused on helping businesses move faster with AI by designing and delivering practical, production-grade systems across workflows, operations, and knowledge-heavy use cases. The team works closely with clients to turn AI from experimentation into reliable, scalable execution.

You will work on the pipelines, indexing systems, evaluation frameworks, and production infrastructure that power AI assistants using hosted LLM APIs and internal knowledge sources. This is a hands-on role for someone who can think across ingestion, search, observability, and system performance.

Key Requirements:
🔹 Strong programming skills, especially in Python;
🔹 Experience building ETL and data pipelines in production environments;
🔹 Strong SQL skills and experience with relational databases, preferably, PostgreSQL;
🔹 Experience with search and retrieval systems, including OpenSearch, Elasticsearch, or similar platforms;
🔹 Familiarity with vector databases, embeddings workflows, and large-scale, document indexing;
🔹 Experience with cloud platforms such as AWS and related infrastructure services;
🔹 Familiarity with Git, CI/CD pipelines, and modern engineering workflows;
🔹 Strong problem-solving skills and comfort working across data, infrastructure, and AI application layers;
🔹 English – Upper-Intermediate or higher.

Will be plus:
🔹 Experience working on RAG systems, internal knowledge assistants, or search-heavy AI applications;
🔹 Familiarity with observability stacks, distributed systems, and workflow, orchestration tools;
🔹 Experience with access control, permission-aware systems, and auditability in enterprise environments;
🔹 Exposure to evaluation frameworks for LLM systems and model benchmarking;

What you will do:
🔹Working with Vector Databases
🔹Maintain and improve ingestion and enrichment pipelines for internal and client content, including parsing, extraction, normalization, metadata enrichment, deduplication, and quality monitoring
🔹Improve indexing and retrieval quality through chunking and segmentation refinements, embedding and index update workflows, metadata filtering, and caching
🔹Support hybrid retrieval architectures combining vector search, keyword or BM25 search, and metadata-aware filtering
🔹Implement and maintain access-aware retrieval by propagating and enforcing document permissions at indexing and query time, including audit logs and validation tests
🔹Improve source attribution so responses consistently point to the correct documents, sections, and references in a reliable format
🔹Extend and harden tool execution, workflow orchestration, and automations, including retries, timeouts, idempotency, concurrency controls, and run history
🔹Develop and maintain evaluation and regression testing frameworks, including golden datasets, automated scoring, and structured comparisons across LLM providers and models
🔹Operate AI systems in production, including logs, metrics, tracing, alerting, incident response, performance tuning, cost monitoring, and runbook documentation
🔹Build scalable infrastructure to process, embed, index, and search very large document collections efficiently

Interview stages:
🔹 HR interview;
🔹 30-min screening call;
🔹 Technical interview;
🔹 Test assignment/homework;
🔹 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.

The client provides software for fitness and wellness businesses, such as gyms, yoga and Pilates studios, martial arts centers, and personal trainers. Their SaaS platform helps businesses manage operations and enables customers to book services. The company focuses on making software accessible to businesses of all sizes. Established in 2017, the client supports thousands of businesses and hundreds of thousands of customers globally.

Cooperation: Long-term collaboration opportunity.

Stage: Project started in 2015, was mostly rewritten in 2017. Currently, they are actively transitioning from PHP to Go; 80% PHP - 20% Go.

Tech Stack: pure PHP (v7), Golang, Doctrine, Codeception, REST, Redis, RabbitMQ, MySql, Kubernetes, Helm, GraphQl.

Timezone Requirements: The client is in the UK. EU/Ukraine time is ok. Work schedule: 9-10 a.m.-6-7 p.m., flexible working hours.

English: Upper-intermediate+.

Requirements:

• 5+ years of software engineering experience, preferably in SaaS development (for Senior position);
• 2+ years of Go programming experience;
• 3+ years of PHP programming experience;
• Experience building and maintaining APIs (GraphQL, REST, gRPC);
• Strong understanding of cloud services, Kubernetes, and Docker;
• Familiarity with testing frameworks and secure programming practices;
• Knowledge of booking, eCommerce, and payment systems is a bonus.

Responsibilities:

• Transition the PHP API to Go;
• Architect, develop, and maintain scalable and resilient applications;
• Implement and optimize cloud services;
• Research and introduce new tools to streamline development processes;
• Ensure high code quality and secure programming standards;
• Opportunity for horizontal development in advanced backend systems and DevOps.

Benefits from 8allocate:

• Team & Culture: Team events, offsites, and a culture that keeps people connected.
• Learning & Development: Budget for courses, certifications, and conferences.
• Well-being: Flexible support in line with company policy, with options to support your physical and mental well-being (sport, mental health, or medical insurance).
• Rest & Recovery: Paid vacation and sick leave.

About the role

We are looking for a Senior Data Scientist to lead the evolution of machine learning systems within a high-scale AdTech ecosystem.

This is not a “campaign optimization” role. You will work on the core decision-making systems (DSP level) — where pricing, bidding, pacing, and experimentation interact in real time across billions of events per day.

You will be shaping the “brain” of the platform: a set of interconnected systems where small improvements can have a large business impact.

What you’ll work on

• Pricing & Budget Scalability
  Scale budgets while maintaining performance and controlling overspend
• User Selection Optimization
  Improve CVR through smarter targeting and traffic selection
• Exploration Efficiency
  Reduce wasted spend while preserving learning
• Incrementality Measurement
  Measure true lift vs attributed performance
• Fraud Detection & Filtering
  Improve traffic quality and filtering strategies

What we expect from you

System-level thinking

• Ability to reason about interacting systems, not isolated models
• Understanding of:
  • auction dynamics
  • bidding vs pacing trade-offs
  • feedback loops between models
• Seeing problems beyond segmentation or heuristics

Strong experimentation mindset

• Designing experiments, not just running A/B tests
• Experience with:
  • metric design (proxy vs north star)
  • online vs offline evaluation gaps
  • interference and auction effects
• Ability to translate system changes into measurable impact

Ownership & impact

• Proven track record of driving business impact, not only building models
• Ability to explain:
  • expected vs actual impact
  • why results differ
• Performance accountability mindset

AdTech domain understanding

• Solid understanding of:
  • targeting vs bidding vs supply dynamics
• Experience working close to DSP / auctions/pricing systems

Collaboration maturity

• Ability to work across DS, MLE, and Product
• Understanding trade-offs and constraints
• Experience making decisions in ambiguous environments

Core responsibilities

• Turn ambiguous problems into testable hypotheses
• Design and run offline analysis + online experiments
• Use intermediate metrics to understand system behavior
• Build prototypes and iterate quickly
• Identify where system-level improvements are required
• Collaborate across teams to drive end-to-end impact

Requirements

• 5+ years in Data Science / Machine Learning
• Strong experience in high-frequency systems (AdTech / FinTech / similar)
• Python & SQL proficiency
• Experience with big data tools (Spark, Snowflake, etc.)
• Strong ML background (TensorFlow, PyTorch, or similar)
• Solid foundation in:
  • probability
  • statistics (frequentist / Bayesian)
  • causal inference
• Master’s or PhD in a quantitative field

Nice to have

• Experience with DSP / auctions / pricing systems
• Experience with large-scale experimentation

• Project Description:

  The developed product is a comprehensive software system in the Energy sector, encompassing all stages of Oil & Gas production—from geological exploration to operational optimization. Our technology empowers geologists and geophysicists to effectively analyze, visualize, and interpret extensive geological data.
  You will join a senior, supportive, and collaborative team dedicated to delivering high-quality industry solutions.

• Responsibilities:

  Provide domain and functional QA support for visualization-focused applications
  Ensure product quality through comprehensive validation of features, workflows, and user interactions
  Contribute as an active QA member within Agile teams to deliver high-quality product increments
  Develop detailed test cases based on requirements, user stories, and acceptance criteria
  Validate complex workflows involving data visualization, interaction, and rendering
  Verify integration between frontend visualization components and backend GIS services, including map/data services and server configurations
  Collaborate with developers, designers, and subject matter experts to define and validate key user workflows
  Participate in Sprint Planning to ensure testing scope and risks are well understood and accounted for
  Set up, manage, and maintain test environments, including datasets required for validation
  Verify that new development changes do not negatively impact existing functionality (regression testing)
  Identify, document, and track defects with clear reproducibility and impact analysis
  Ensure defects are resolved and validated according to defined quality standards
  Perform exploratory testing to uncover edge cases, especially related to performance, rendering accuracy, and user interactions
  Contribute to improving QA processes, test coverage, and automation practices

• Mandatory Skills Description:

  Bachelor's or Master's degree from a recognized university in Petroleum Engineering, Geophysics, Geology, Computer Science, or related fields
  Minimum 5 years of QA experience (experience with scientific, engineering, or visualization applications preferred)
  Strong understanding of data-driven applications, particularly those involving spatial, graphical, or engineering datasets
  Basic understanding of upstream oil & gas workflows (well planning, drilling, completions, or subsurface interpretation is a plus)
  Familiarity with visualization concepts such as 2D/3D rendering, coordinate systems, spatial data handling, and large dataset performance considerations
  Working knowledge of GIS backend systems and services, including experience in setting up, configuring, or validating GIS servers (e.g., ArcGIS Server), map services, and data pipelines
  Experience with engineering or scientific applications is an advantage
  Basic knowledge of test automation frameworks and scripting
  Experience with SDLC/STLC processes and strong understanding of testing types: Smoke, Functional, Integration, Regression, Performance, and User Acceptance Testing
  Hands-on experience with Test Case management and Defect tracking tools (e.g., Azure DevOps, JIRA)
  Comfortable working in Agile/Scrum environments
  Strong analytical, problem-solving, and communication skills

• Nice-to-Have Skills Description:

  Understanding of performance profiling for graphics-intensive applications
  Exposure to web technologies (JavaScript frameworks) and/or desktop application testing
  Familiarity with APIs and data validation across services

• Languages:
  • English: B2 Upper Intermediate

One of our clients, a Portugal-based company, is continuously delivering SAP solutions for their end customers. As part of ongoing pre-sales activities, we are building a pool of experienced SAP Consultants and Developers across various modules.

This is a fully remote, project-based (B2B) opportunity, offering flexibility to join future projects depending on business needs.

Key Responsibilities:

• Participate in SAP implementation, customization, and integration projects
• Analyze business requirements and translate them into technical solutions
• Configure and/or develop SAP modules according to project needs
• Collaborate with cross-functional teams, including business stakeholders and technical teams
• Provide support, troubleshooting, and optimization of existing SAP systems

Requirements:

• 5+ years of experience working with SAP (any module: e.g., HCM, FI/CO, MM, SD, SuccessFactors, etc.)
• Strong hands-on experience in SAP consulting or development
• Good understanding of business processes and system integration
• English level: Upper-Intermediate (B2) or higher
• Ability to work independently in a remote, international environment

We are open to connecting with professionals who may not be actively looking but are interested in exploring future project opportunities.

Project description

We invite a talented Senior DevOps Engineer to join an exciting fintech project. If you can work under minimal supervision, you are reasonably proactive, have attention to detail, and share technical excellency values, we’ll be glad to consider you for this role. Also, you'll be a part of an international Senior level DevOps team. 

Required skills

— 5+ years of experience as a DevOps engineer on commercial projects.

— Fluent hands-on experience with Linux, Bash and Docker.

— Experience setting up and maintaining CI/CD pipelines.

— Experience with AWS ecosystem, including but not limited to EC2, ECS, EKS.

— Experience with IaC approach.

— Experience with instrumenting and monitoring production systems.

— Upper-Intermediate English level or higher (both spoken and written).

As a plus

— Previous experience working in PCI-DSS environment.

— Previous experience working in SOC2 environment.

— Experience with one or more general-purpose scripting languages (e.g., Bash, Python, Perl).

— Experience with SQL or NoSQL databases.
— Readiness to start cooperation ASAP. 
 

We offer

— Paid 24 days of vacations and 20 sick leaves per year.

— Paid participation in conferences and hackathons.

— Corporate English classes.

— Sport compensation.

— Knowledge-sharing activities like tech discussions and tech/soft skills meetups.

— Bright teambuildings and corporate events.

Interested in the given role? Please, share your CV and contacts, we'll be glad to consider you. 

Client is a top one in automotive sphere. He has a bunch of projects which are related with tools for testing/emulation of IVI part. Part team is in Detroit and part in Ukraine remote. Projects have parts starting from HW boards and completing with SW part.

Responsibilities

Testing Balance: 70% Automation / 30% Manual testing split.

Embedded automation: actively contribute and evolve existing automation framework (Python).

Protocols: Hands-on experience with CAN, gRPC, and TCP.

Embedded Systems: Expertise in hardware flashing and embedded environment interaction.

OS: Linux knowledge and CLI proficiency.

CICD: Experience with GitHub Action.

Test Planning: Define the automation strategy for new features, ensuring high coverage for complex automotive use cases.

Reporting & Analytics: Build reports to visualize test results, hardware stability metrics.

Skills

Must have

Automotive experience

Understanding of CAN

Python: Advanced proficiency to evolve and maintain an existing automation framework.

Protocols: Hands-on experience with CAN, gRPC, and TCP.

Embedded Systems: Expertise in hardware flashing and embedded environment interaction.

OS: Linux knowledge and CLI proficiency.

CICD: Experience with GitHub Action.

About the Project
We are hiring for our client, who is currently scaling multiple Magento projects built from scratch using the Hyvä theme. This role is ideal for a developer experienced in launching Hyvä-based projects end-to-end. 
 

Key Responsibilities

• Develop and maintain Magento 2 frontend solutions using the Hyvä theme
• Build projects from scratch on the latest version of Hyvä
• Collaborate within an Agile environment, working in sprints
• Provide accurate story point estimations and participate in sprint planning

• Ensure high-quality, performant, and scalable frontend solutions

   

Required Skills & Experience

• Commercial experience with Magento 2 Hyvä
• Proven experience launching Hyvä projects from scratch (must-have)
• Strong experience with:
  • Hyvä UI
  • Hyvä Checkout
  • Tailwind CSS (version 4)

• Experience working in Agile/Scrum environments (sprints, estimations, etc.)

   

Technical Requirements

• MacBook
• OrbStack

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 Product Marketing Manager with a strong content mindset, sharp market instincts, and the ability to turn ideas into awareness, credibility, and demand.
This role is for someone who understands that great marketing starts with great narratives. Someone who knows how technical audiences think, how modern software teams operate, and how to create content that feels relevant, credible, and worth reading.
You’ll help define how the market sees us, shape our category, and make sure we consistently show up in the right places.

The platform is already live and has paying customers, helping R&D teams significantly increase development speed and efficiency by reducing manual work and enabling engineers to focus only on high-impact tasks.

Key Requirements:
🔹 4+ years of experience in Product Marketing, Content Marketing, Brand, Growth or related roles;
🔹 Strong understanding of LinkedIn, Reddit and modern organic distribution channels;
🔹 Background in software development or experience in engineering environments;
🔹 Understanding of developer workflows, SDLC and R&D processes;
🔹 Experience creating content for B2B / technical audiences;
🔹 Exceptional English writing and storytelling skills;
🔹 Experience marketing to engineers, product teams or technical leaders;
🔹 Ability to translate technical concepts into clear messaging;
🔹 High ownership, self-direction, builder mentality;
🔹 Strong judgment in tone, positioning and narrative;
🔹 Startup experience, ability to build from zero;
🔹 Strong communication skills and comfort working with international teams;

Big Advantage:
🔹 Experience marketing to CTOs, VP Engineering, or R&D leaders;
🔹 Experience with AI products, developer tools, DevOps, or engineering platforms;
🔹 Community-building experience;
🔹 Design, video, or creative production skills;
🔹 English – Upper-Intermediate or higher.

What you will do:
🔹 Define and refine positioning, messaging and category narrative;
🔹 Build awareness on LinkedIn, Reddit and other relevant channels;
🔹 Create and publish content: founder posts, thought leadership, product stories, campaigns;
🔹 Translate product features into business value for technical and business audiences;
🔹 Develop brand voice, tone and narrative across all touchpoints;
🔹 Manage and grow communities (Reddit, Discord, Slack, etc.);
🔹 Work with founders, customers and prospects to understand market language and pain points;
🔹 Test and scale growth ideas based on performance;
🔹 Support go-to-market strategy and sales materials (case studies, decks, etc.);
🔹 Gather customer feedback to influence positioning and product direction;
🔹 Measure and analyze marketing performance (awareness, engagement, conversion);
🔹 Help build demand in an emerging market;
🔹 Act as a bridge between product and market, deeply understanding SDLC and developer needs;

Interview stages:
🔹 HR Interview;
🔹 Screening Call;
🔹 Technical Deep Dive;
🔹 Team Fit Conversation ;
🔹 Final Review & Decision;
🔹 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.

The Mission

Wallee Group is a leader in advanced payment solutions, dedicated to providing robust, scalable, and secure systems across multiple domains. We enhance customer experiences through innovative payment and finance technology that empowers businesses to grow efficiently. With operations spanning several countries, we thrive on collaboration and agility, utilizing the Scrum framework to drive our international teams. At Wallee, we stay at the forefront of market trends, continuously innovating to deliver premier services to our global customers.

The Role

To achieve our mission of providing the market's best payment experience, Wallee is seeking experienced and versatile java software engineers for our Vilnius office. As disruptors in the payment space, we build industry-leading systems that demand the highest standards of security and reliability. We are constantly pushing our solutions into new territories, and we are looking for engineers who thrive in a fast-paced, agile environment to help us redefine the future of finance.

Tasks

Your Impact

• Architect Scalability: Design and develop highly resilient back-end systems using Java, ensuring our infrastructure handles global scale with ease.
• Feature Innovation: Own the end-to-end lifecycle of new features, from initial implementation to refined bug fixing and performance tuning.
• Collaborative Engineering: Work closely with product managers, UX designers, and QA to translate complex business needs into elegant technical solutions.
• Code Excellence: Drive quality through automated testing, rigorous code reviews, and the creation of clear, maintainable technical documentation.
• Stay Ahead: Continuously research and evaluate emerging technologies and methodologies to keep Wallee at the cutting edge of the fintech industry.

Requirements

What You Bring to the Table

• Technical Depth: Advanced proficiency in Java and core frameworks such as Spring, Spring Boot, and Hibernate.
• Systems Thinking: Proven experience building distributed systems and scalable, high-availability solutions.
• Data Mastery: Strong proficiency in SQL and experience managing complex data structures.
• Modern DevOps: Hands-on experience with CI/CD pipelines (Jenkins/GitLab CI) and containerization (Docker, AWS ECS).
• Agile Mindset: A degree in Computer Science (or equivalent experience) and a track record of thriving in fast-paced, Agile environments.

• Bonus Points: Experience with JavaScript, Apache Camel, or BPM engines.

   

  Benefits:

• You are part of an agile, young international team and shape our products sustainably with your ideas.
• You will play a decisive role in designing products in an omni channel payment start-up and work with leading companies in the financial industry on international projects.
• We offer flexible structures and flat hierarchies.
• Cooperation with motivated colleagues and numerous personal development opportunities.

Are you passionate about building scalable, reliable data systems that power real-world solutions? We are looking for a Senior Scala Developer to join our team and work remotely from Europe, Ukraine, or LATAM.

At Sigma Software, we partner with innovative companies to deliver cutting-edge technology solutions. This role offers the opportunity to design and operate a canonical data platform that integrates diverse external data sources, ensuring high quality and flexibility.

Why join us? You’ll work with modern technologies, collaborate with talented professionals across multiple regions, and have the freedom to experiment and innovate while contributing to impactful projects in the AdTech domain.

Customer

Our client is a fast-growing AdTech company focused on solving real-world challenges in digital advertising and data-driven marketing. They specialize in building highly resilient and scalable systems that encourage experimentation and innovation. Their data platform is designed to be both powerful and flexible, enabling engineers to introduce new ideas and leverage the latest technologies to optimize advertising performance and audience insights.

Project

The project involves developing and maintaining a canonical data platform that integrates multiple external data sources. It supports both full data loads and incremental updates, ensures high data quality, and leverages AI-assisted tools for monitoring and issue detection.

Key Technologies: Java, Scala, SQL, GCP Dataflow, REST APIs, AI-assisted tools, event-driven architectures

Responsibilities

• Design, build, and maintain reliable data pipelines to ingest and process data from external systems
• Implement integrations using Java or Scala, ensuring scalability and resilience
• Handle both full data loads and incremental updates efficiently
• Collaborate with engineering and product teams to align on integration and data needs
• Develop and maintain a unified internal data model
• Ensure data quality, detect and resolve incorrect or incomplete data
• Utilize AI-assisted tools to improve data quality and operational efficiency
• Monitor and optimize data pipelines for production readiness

Requirements

• At least 5 years of experience as a Software Engineer
• Strong production experience with Java or Scala
• Experience with Spark
• Proven experience integrating external systems via REST APIs (pagination, rate limiting, token-based authentication)
• Strong data modelling skills with structured, relational data
• Solid SQL knowledge
• Experience with GCP Dataflow
• Experience operating data pipelines in production environments
• Strong communication skills and ability to collaborate across teams
• At least an Upper Intermediate level of English
   

WILL BE A PLUS:

• Experience with event-driven architectures or messaging systems
• Designing canonical schemas across multiple data sources
• Experience with LLM (Large Language Models)
   

Personal Profile

• Proactive and detail-oriented
• Thrives in collaborative environments
• Enjoys solving complex integration challenges
• Comfortable experimenting with new technologies
• Committed to improving data systems

Ми шукаємо Senior DevOps Engineer для fintech / crypto-продукту з high-load інфраструктурою, real-time даними, складними CI/CD процесами, Kubernetes, observability, security та database management.

Це роль для інженера, який може не лише підтримувати інфраструктуру, а й будувати масштабовану, безпечну та надійну платформу для продукту, що активно розвивається.

Responsibilities

— Побудова, підтримка та оптимізація high-availability infrastructure
— Адміністрування Kubernetes clusters
— Робота з Terraform / Ansible та Infrastructure as Code
— Налаштування та підтримка CI/CD pipelines у GitLab
— Підтримка GitLab Runners і GitOps workflows
— Адміністрування Linux servers
— Робота з PostgreSQL, Redis, MongoDB, InfluxDB
— Підтримка Kafka та event streaming infrastructure
— Побудова monitoring / observability stack
— Налаштування Prometheus, Grafana, Loki, ELK Stack
— Робота з secrets management, HashiCorp Vault
— Впровадження DevSecOps practices
— Оптимізація networking, load balancing, infrastructure security

Requirements

— 5+ years of experience in DevOps / Infrastructure
— Досвід побудови high-availability and scalable architecture
— Strong Kubernetes experience: cluster administration, networking, security policies
— Hands-on experience with Terraform and Ansible
— Deep Linux knowledge: Debian / Ubuntu, internals, hardening
— Досвід адміністрування PostgreSQL, Redis, MongoDB, InfluxDB
— Досвід підтримки Kafka
— GitLab CI/CD: multi-stage pipelines, GitLab Runners, GitOps
— Strong scripting skills: Python and Bash
— Observability: ELK Stack, Prometheus, Grafana, Loki
— Security: SIEM tools, secrets management, Vault, DevSecOps
— Networking: OSI model, TCP/IP, Nginx, HAProxy, SDN
— Virtualization: Proxmox або VMware ESXi

Nice to have

— Досвід у fintech / crypto / trading products
— Досвід з high-load або real-time systems
— Досвід побудови infrastructure from scratch
— Практичний досвід disaster recovery / backup strategies
— Глибоке розуміння database performance tuning

We value

— Ownership mindset
— Системне мислення
— Вміння працювати з production-critical infrastructure
— Проактивність у security, monitoring та reliability
— Здатність швидко знаходити root cause проблеми та пропонувати стабільне рішення

The family-style company is looking for a talented .NET Developer to join our team. If you are looking for an awesome team, send us your CV!

The Project

You will join a project for a large, well-known company in the insurance sector, working on a B2B corporate SaaS solution. The platform serves a wide user base and is deployed on Kubernetes in Azure.

Your primary focus will be on application development: building new features, improving existing functionality, and contributing to the evolution of a scalable product.

Tech Stack:

• Backend: C#, ASP.NET Core
• Frontend: Angular
• Database: PostgreSQL
• Infrastructure: Kubernetes, Microsoft Azure

• Other: REST APIs, SaaS architecture

   

Nice to have:

• Rust

• Experience with geospatial data and related libraries

   

What You'll Do

• Develop and maintain full-stack features using ASP.NET Core, Angular, and PostgreSQL
• Extend and improve the SaaS platform based on the product backlog
• Collaborate closely with the team and client in English
• Take ownership of tasks and contribute to technical decisions

• Share ideas and continuously improve both the product and development process

   

What We're Looking For

• Experience with (or strong willingness to learn) ASP.NET Core, Angular, C#, and PostgreSQL
• Understanding of modern web application development practices
• Proactive mindset - curiosity, ownership, and eagerness to learn
• Ability to work independently while being a strong team player
• Good communication skills in English (day-to-day project language)

What we offer

• Sane and polite, but effective management
• The best corporate culture (according to our teammates' opinions)
• Competitive salary and other stuff
• Remote work, full time

• Becoming not just another developer, but a part of UKAD with unique value and long-term relationships.

   

Some facts about UKAD to help you make a decision:

During 2022-2025, we only increased cooperation with our foreign partners

UKAD combines benefits of family-sized companies, like no bureaucracy, easy access to the executives, with sustainable growth and vast opportunities

Our company is strong enough to be not just a vendor but a tech partner. We can afford to choose customers that respect developers

UKAD is one of the leading employers in Kharkiv, according to DOU

We never hire people for projects, but to build the team, so if the project ends, you remain a part of UKAD.

Aren't we the company you're looking for?