Jobs

Tech skills profile:

• 6+ years of practical work with MS SQL Server as a Primary technology (different versions including 2016+);

• Strong experience with DWH, ETL (SSIS), deep understanding of DWH concepts;

• Experience in the development of complex stored procedures;

• Experience in optimization procedures and performance tuning for MS SQL Server, understanding of execution plans;

• Good in English (Intermediate+)

Would be a plus:

• Experience of creating of SQL Unit tests; 
• Experience  with Power BI; 
• CI/CD experience (Git, Jenkins); 
• Experience with SSAS, SSRS (BI) 
• Experince with Financial reports. 

Soft skills profile:

• Good communication skills to build working relationships and collaborate actively with other team members;

• Pro-active approach to involvement and driving improvements.

Responsibilities:

• develop database applications with large amount of business logic on DB level to support current business needs;

• contribute to all aspects of project life cycle from design to deployment to include design, code, unit test;

• collaboration with other technical members of the team to carry out the project requirements and deliverables.

Project Description:

Wireless Standard POS (Point-Of-Sales) (www.b2bsoft.com) is our retail management solution for the Telecom Market.

It provides thousands of retailers with features and functionalities they need to run their businesses effectively with full visibility and control into every aspect of sales and operations.

It is simple to learn, easy to use and as operation grows, more features can be added on.

Our system can optimize and simplify all processes related to retail in this business area.

Few things that our product can do:

• Robust Online Reporting

• Repair Management Software

• 3rd Party Integrations

• Customer Connect Marketing

• Time and Attendance

• Carrier Commission Reconciliation

🌍 Why this role matters
This role is about much more than just building pipelines. You'll be laying the groundwork for data-driven decision-making company-wide — designing robust DWH architecture, fine-tuning performance, ensuring data quality, and driving automation. You'll transform complexity into clarity, raw data into actionable insight, and operational chaos into a streamlined system.

📋 Your daily adventures:

1. DWH architecture and design
Designing Data Warehouse architecture for current and future business needs
Development of schemes taking into account performance, scalability and support for data historicity (SCD, snapshot)
Defining standards and best practices for data storage, transformation and access
Participation in planning cloud migrations
2. Organization of ETL/ELT processes
Building, maintaining and optimizing ETL/ELT pipelines (Airflow, dbt, custom solutions)
Implementation of incremental updates, CDC, backfill, reprocessing
Control and automation of data lineage, logging, alerting
3. Performance optimization
Deep optimization of queries, tables, DAGs
Implementation of batches, indexes, materialized views, clustering
Server resource management, load monitoring and balancing
Building ETL process performance metrics and regular auditing
4. Data quality control and reliability
Implementation of data validation, anomaly detection, reconciliation
Setting up automatic tests for ETL processes
Managing backup & recovery policies
Identifying and eliminating problems with duplicates, null values, data drifts
5. Integration of new data sources
Evaluation and connection of external APIs, raw sources, third-party databases
Harmonization of formats, update frequency, transformation logic
Adaptation of database schemas to new sources without disrupting current processes
6. DevOps and automation
Automation of deployments, testing, CI/CD for data
Working with Docker, Kubernetes, cloud infrastructure (GCP, AWS, Azure)
Working with Terraform
Using GIT and code review processes to manage pipelines
7. Mentoring and coordination
Code review, support and training of junior/middle engineers
Implementation of documentation, templates, onboarding instructions
Collaboration with analysts, developers, BI team
Work with business customers to understand their needs and transform them into technical requirements

🧭 What makes you a great match
- Proficient in SQL: complex queries, CTE, window functions, analytics
- Deep understanding of DWH concepts: ETL, ELT, Data Vault, Kimball, Star/Snowflake schema
- Experience with Airflow/dbt or other pipeline orchestrators
- Proficiency in one or more DWH platforms: BigQuery, Snowflake, Redshift, ClickHouse, Vertica, etc.
- Proficient use of GIT, experience in helping colleagues with Git flow (merge conflicts, rebase, pull requests)
- Knowledge of Python or other scripting languages for transformations
- Understanding of server infrastructure: basic skills in configuring, maintaining, monitoring resources and load control
- Experience with CI/CD, automated data testing
- Experience in implementing backfill and configuring backup & recovery
 

🎁 What we offer

At Gypsy, we believe work should fuel your growth, not drain it. Here’s what you can expect when you join the journey:

• 🏖️ Time to recharge – 20 working days of paid vacation annually, plus 2 additional business days off each quarter.
• 🌐 Remote-first & flexible – Work from anywhere, with the freedom to shape your day.
• 💻 Modern equipment – We’ll set you up with everything you need to do your best work.
• 📚 Growth support – English language training, a personal learning budget, career path clarity, and access to top industry events.
• 🧘 Well-being matters – Mental health support, fitness perks, and a culture that respects your time and boundaries.
• 💬 Empowered culture – Transparent communication, diverse perspectives, and impact-driven collaboration.

N-IX is looking for a BI (Tableau) Engineer to join one of the biggest and strongest Data Units in Ukraine for the 3-months engagement. This role is freelance-friendly, and you're welcome to combine it with other projects or commitments.

Our client is a US-based company that provides In-flight Internet and entertainment services to the aircrafts across the globe, serving both commercial and business aircrafts. At this moment we cooperate on Business Intelligence, Data Analysis, Data Science, Billing and BigData directions and look for talents who can contribute to the complex data management and analysis projects.

Requirements

• Proven experience as a Tableau Developer (Tableau Desktop and Tableau Server)
• Hands on experience with SQL 
• Experience with DBT is a must
• Experience with Snowflake
• Experience with BI tools
• Knowledge of SQL Server Reporting Services (SSRS) + Airflow and SQL Server Integration Services (SSIS)
• Experience with Redshift 
• Basic knowledge of Python
• Upper-intermediate English or higher

Responsibilities

• Implement business intelligence solutions to achieve data reporting and analysis goals
• Work closely with data engineers and business analysts to design effective queries and to understand and apply changes/modifications impacting the reporting layer
• Convert the information needs of customers to a design of good reports and dashboards

• Implement and optimize these designs 

   

Nice to have

• Kibana knowledge
• Experience working with AWS (Athena)

We are looking for a BI/ Data Engineer to join one of the biggest and strongest Data Units in Ukraine for the 3-months engagement. This role is freelance-friendly, and you're welcome to combine it with other projects or commitments.

With over 30 projects from the EU and US, our 220+ team contributes to compelling projects from agriculture to satellite solutions to currency trading. Our Engineers work with big amounts of data, use the latest technologies, and have opportunities from mentoring to growing into an architect role. Join the ambitious N-iX Data team with a unique blend of Business, Scientific, and Data expertise that seeks to unleash the full potential of our assets by bringing technology, data, and insights to the forefront of decision making.

Our client is a US-based company that provides In-flight Internet and entertainment services to the aircrafts across the globe, serving both commercial and business aircrafts. At this moment we cooperate on Business Intelligence, Data Analysis, Data Science, Billing and BigData directions and look for talents who can contribute to the complex data management and analysis projects.

Requirements:

• Hands on experience with SQL 
• Strong experience with DBT
• Experience with Snowflake
• Experience with BI tools
• Knowledge of SQL Server Reporting Services (SSRS) + Airflow and SQL Server Integration Services (SSIS)
• Experience with Redshift 
• Basic knowledge of Python
• Upper-intermediate English or higher
• Experience as a Tableau Developer (Tableau Desktop and Tableau Server) would be a plus
  
  Responsibilities:
• Implement business intelligence solutions to achieve data reporting and analysis goals
• Work closely with data engineers and business analysts to design effective queries and to understand and apply changes/modifications impacting the reporting layer
• Convert the information needs of customers to a design of good reports and dashboards
• Implement and optimize these designs 

Nice to have:

• Kibana knowledge
• Experience working with AWS (Athena)
   

Our client is the world’s largest people-powered marketplace, connecting over 14 million users across 140+ countries to move, save, and store money – even without a bank account.
Founded in 2015 and based in the United States, offers safe, fast, and reliable access to the global economy through cryptocurrencies bought and sold on a borderless peer-to-peer payment network.
With over 500 payment methods for accessing Bitcoin, USDT, and other popular digital and local currencies, company is building a financial system connecting the world’s 5 billion underbanked to global opportunity.

Requirements:

• 5+ years of experience in administering and tuning Amazon RDS
• Deep understanding of PostgreSQL replication techniques, data warehouse design, and performance troubleshooting
• Proven experience with high availability and disaster recovery techniques
• Experience with database management in the microservice architecture
• Proven experience with automation tools based on Ansible/Terraform/scripts to manage databases and migrations

Nice to have:
 

• Past experience with other database technologies such as No SQL database systems is a plus
• Experience with MongoDB and/or Kafka
• Experience with the CI/CD solutions
• Experience with ETL processes, data pipelines and data integration through APIs, Airflow etc
• Experience or interest in cryptocurrency, blockchain and/or financial technology

Responsibilities:
 

• Work closely with the BI team and help maintain and develop more metrics insights
• Continuously evaluate and improve monitoring practices, introducing enhancements that boost platform scalability, reliability, and performance
• Develop and proactively review the monitoring of PostgreSQL database production
• Participate in database design and data modeling and provide recommendations for improvement or optimizations
• Provide query/index optimizations
• Ensure database availability and performance
• Mentor other engineers in developing efficient SQL queries
• Prepare automation related to database deployment and migrations
• Assist in developing data migrations
• Optimize AWS RDS and help reduce cost

What we offer:

• Remote working format
• Flexible working hours
• Informal and friendly atmosphere
• The ability to focus on your work: a lack of bureaucracy and micromanagement
• 20 paid vacation days
• 7 paid sick leaves
• Education reimbursement
• Free English classes
• Psychologist consultations

Langate is an award-winning provider of web development services in 3 main categories: business, healthcare, and education. At Langate, we're passionate about crafting digital solutions that make a real impact. We take immense pride in our strong collaboration with the U.S.  We're here to shape the future of technology, one milestone at a time. 
In addition to technical expertise, we value excellent communication skills. Collaboration and effective teamwork are the cornerstones of our success, and we believe in fostering an environment where everyone’s voice is heard and valued. 
To excel in this role, we are looking for candidates with a minimum of 5 years of experience in MS SQL.  

About the project  

Our client, a corporate trade leader for nearly four decades, enables companies to maximize the value of their assets, increase their return on ad spend, and secure funding for unbudgeted expenses. Independent and with an unrivaled vantage point in the media industry, our client supports both large and small brands and agencies in achieving higher ROI by leveraging incremental value in the same high-quality properties and services they already purchase. 
The project involves developing a CRM system for the client’s sales departments. 

Requirements:  

• Strong MS SQL experience.
• Experience with Power BI – not necessarily deep visualization skills, but good understanding of data models and connecting data sources.
• Experience with data integration from multiple sources.
• Basic data engineering skills: transforming and preparing datasets for analysis.
• Good communication skills and ability to coordinate with DataOps teams.
• English: Upper-Intermediate or higher 

Responsibilities: 

• Adding new data sources to the already existing LLM for processing. Preparing views for the further Power Bi visualization.
• Close communication with the client would be needed and the ability to transform business needs to the technical requirements.     

Schedule: 5/2, 20-40 hours of work per week. Nice to have up to 4 hours of work per NY timezone   

Hiring process: HR Interview + Technical Interview + Client Interview 

We are looking for a SQL Developer to join our team! 
You will be working in a direction that is primarily focused on high-tech developments for the US client in the consulting and financial domains. All projects are aimed at optimizing business processes, ensuring maximum efficiency in work, and helping the client to automate and improve their internal processes. Our team specializes in the use of advanced technologies and, at certain stages of project development, actively utilizes the latest advances in artificial intelligence (AI) and machine learning (ML). 

Requirements 

• 2+ years of database development experience; 
• Good knowledge of SQL and experience working with relational database systems (transactional and/or analytical; 
• Familiarity with cloud-based DBMS like AWS RDS, Azure SQL; 
• Understanding of data modeling, normalization, and performance optimization; 
• Familiarity with ETL/ELT workflows; 
• Experience working with version control tools and collaborative development workflows. 
• Experience with Agile development practices; 
• Ability to work in a team and learn quickly; 
• Intermediate level of English. 

Responsibilities 

• Design, develop, and optimize database objects (tables, views, procedures, etc.) across various database platforms; 
• Collaborate with backend engineers and data teams to ensure efficient data access and modeling; 
• Troubleshoot and tune queries and data structures for performance and reliability. 

What we offer   

• Continuous learning and career growth opportunities 
• Professional training and English/Spanish language classes   
• Comprehensive medical insurance 
• Mental health support 
• Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more 
• Flexible working hours 
• Inclusive and supportive culture 

We are looking for a technically savvy and detail-driven Email Deliverability Specialist to join our CRM & retention team. This role is crucial to ensuring our marketing and transactional emails consistently reach users’ inboxes, maintaining high sender reputation, and driving engagement through data-driven improvements.

Key Responsibilities:

• Monitor and optimize email deliverability performance across multiple platforms (ESP, CRM, etc.)

• Conduct technical audits of email infrastructure (SPF, DKIM, DMARC, DNS configs) and suggest improvements

• Manage sender reputation across domains and IPs, including blacklist monitoring and complaint rate reduction

• Analyze delivery metrics (open rate, bounce rate, complaint rate) and provide actionable insights to improve campaign performance

• Collaborate with marketing and IT teams to align deliverability practices with content strategies and technical implementation

• Set up and maintain monitoring tools (e.g., Google Postmaster Tools, InboxAlly, Folderly) and produce regular reports

• Maintain compliance with international regulations such as GDPR and ESP-specific policies

• Build and implement a long-term deliverability strategy and drive proactive improvements

Requirements:

• 3+ years of experience in email marketing, deliverability, or related areas

• Proven experience in improving deliverability and managing large-scale email infrastructure

• Deep understanding of authentication protocols: SPF, DKIM, DMARC, and DNS troubleshooting

• Hands-on experience with ESPs such as Customer.IO, Sendgrid, and deliverability tools like Warmy, GlockApps, or Mail-Tester

• Ability to translate complex technical issues into clear actions for non-technical teams

• Strong data analysis skills with tools like Looker Studio, Power BI, or similar

• Understanding of email infrastructure concepts (shared/dedicated IPs, warming, feedback loops)

• Solid communication and documentation skills

• Intermediate to Upper-Intermediate level of English (B1–B2)

Bonus:

• Experience in iGaming or affiliate marketing projects

• Knowledge of international email regulations (e.g., CAN-SPAM, CASL, GDPR)

What We Offer:

• Opportunity to own and scale the deliverability function in a growing digital project

• Work with experienced CRM and marketing professionals in a collaborative environment

• Flexible remote-first setup with strong team support

• A role where your expertise directly impacts reach, performance, and ROI