Jobs SQL / DBA

Hello everyone 👋

At Intobi, we're a software and product development company passionate about driving innovation and progress.

We help our clients succeed by delivering custom-built tech solutions designed to meet their unique needs.

Our expertise lies in developing cutting-edge Web and Mobile applications.

We’re looking for a success-driven Database Administrator for one of our clients.

Full-time, long-term position with the flexibility to work either from the office or remotely.

Responsibilities:

— Act as the primary point of contact for all MongoDB-related topics, including reviewing and approving configuration and setup changes.

— Maintain and support MongoDB databases across both Atlas and on-prem environments.

— Maintain and support SQL Server and PostgreSQL databases in on-prem and AWS environments.

— Monitor database systems for health, performance, and availability.

— Advise software engineers on SQL query optimization and database schema design.

— Minimize database downtime and manage High Availability (HA) and Disaster Recovery (DR) strategies.

— Plan and contribute to long-term scalability and database architecture.

— Implement database changes, apply patches, and manage version upgrades.

— Assist with building and maintaining data extraction pipelines from MongoDB and SQL Server.

— Participate in the on-call rotation to support production systems.

Requirements:

— 4+ years of combined experience across data platforms, including at least 2 years in a DBA role (MongoDB and relational databases, infrastructure, and application support).

— Hands-on data engineering experience (Airflow preferred).

— AWS experience (minimum 1 year).

— Advanced T-SQL development skills.

— Proficiency with Git and modern code management workflows.

— Strong understanding of backup, recovery, security, and data integrity principles.

— Excellent problem-solving skills with strong algorithmic thinking.

— Ability to work effectively in a fast-paced environment and meet deadlines.

— Fluent in English.

Nice to Have:

— Experience with dbatools, Redgate SQL Toolbelt, Coralogix.

— Exposure to CI/CD pipelines and Liquibase.

What we offer:

— Competitive salary;

— Paid vacation and sick leaves;

— Paid day off (Ukrainian holidays);

— Ability to work from our cozy office;

— 8 hours working day, 5 days a week;

— Career growth potential;

— Free snacks, fruits, and drinks;

— Friendly team and corporate events.

Please send your CV here or via email

Should the first stage be successfully completed, you’ll be invited to a personal interview.

RedCore is an international business group that creates technological solutions for digital markets. Our products and services cover fintech, marketing, e-commerce, customer service, communications, and regulatory technologies.

We are looking for DBA Engineers to join our teams!

Requirements:
- Around 4+ years of experience as a Database Administrator (DBA) or similar role;

- Expertise in relational databases PostgreSQL , NoSQL databases (MongoDB, Redis) and analytical database ClickHouse;

- Resolve complex performance bottlenecks in large-scale environments;

- Strong knowledge of database optimization, indexing, partitioning, and replication;

- Experience in performance tuning, query optimization, and troubleshooting slow queries across different SQL dialects;

- Implement database changes with minimal business impact

- Experience with cloud database platforms;

- Experience with Infrastructure as Code (IaC) tools (e.g., Terraform, CloudFormation) for database deployment and management;

- Experience with observability platforms (e.g., Prometheus, Grafana, Datadog, ELK stack) for database monitoring and logging;

- Familiarity with database backup, recovery, failover, and disaster recovery strategies;

- Design and implement HA/DR architectures;

- Troubleshooting of problems, problem analysis and solution implementation;

- Experience with cloud database services (AWS RDS, Aurora);

- Knowledge of scripting for automation ( Bash, SQL scripts);

- Understanding of data security best practices, encryption, and compliance requirements;
- Experience working with large, complex datasets and high-traffic applications;

- Ability to work with DevOps teams to integrate databases into CI/CD workflows;

- Open mind ,self deduction and common analytical skills;

Responsibilities:

- Design, implement, and maintain high-performance database systems to support large-scale applications;

- Optimize database queries, indexing strategies, and partitioning to enhance performance;

- Monitor database health, ensuring high availability, scalability, and disaster recovery;

- Manage and fine-tune SQL and NoSQL databases (e.g., PostgreSQL, MongoDB, Redis, ClickHouse);

- Implement database security policies, encryption, and access control to protect sensitive data;

- Automate database backups, replication, and failover mechanisms.

- Work closely with developers to optimize queries, schema design, and data modeling;

- Perform capacity planning and monitor database growth trends.

- Ensure compliance with data governance, GDPR, and other regulatory requirements;

- Stay updated with the latest database technologies, trends, and best practices;

- Develop and maintain infrastructure as code (IaC) for database provisioning and configuration, migrations and versioning;

- Participate in defining and enforcing data modeling standards and best practices.

Our Stack: 
- PostgreSQL;

- MongoDB;

- ClickHouse.

Our benefits to you:
☘️An exciting and challenging job in a fast-growing business group, the opportunity to be part of a multicultural team of top professionals in Development, Architecture, Management, Operations, Marketing, Legal, Finance and more

🤝🏻Great working atmosphere with passionate experts and leaders, sharing a friendly culture and a success-driven mindset is guaranteed

🧑🏻‍💻Modern corporate equipment based on macOS or Windows and additional equipment are provided

🏖Paid vacations, sick leave, personal events days, days off

💵Referral program — enjoy cooperation with your colleagues and get the bonus

📚Educational programs: regular internal training sessions, compensation for external education, attendance of specialized global conferences

🎯Rewards program for mentoring and coaching colleagues

🗣Free internal English courses

✈️In-house Travel Service

🦄Multiple internal activities: online platform for employees with quests, gamification, presents and news, clubs for movie / book / pets lovers and more

🎳Other benefits could be added based on your location
 

About the Project:
Centralized Reporting and Analytics team covers company-wide corporate reporting needs. Interacting with internal clients (Delivery management and Corporate functions management) we build automated solutions in reporting and data analysis covering different internal company processes and practices.
Our team: around 20 people distributed in different countries but in close virtual cooperation.
Technologies used: Tableau and PowerBI as the main reporting tools, MS SQL database for our main data sources.

Responsibilities

Tableau/PBI reports development and support:

Requirement clarification with the client

Preparation of data sources & setting up development task for the DWH team where needed

Draft version design & development and UAT with a customer

Setting up interactive elements in dashboards (actions, parameters-switchers, etc.)

Visibility permissions management (row-level security) inside a report

Technical documentation preparation

Release preparation and presenting for end-users

Controlling permissions on a site

project

workbook levels

Background tasks monitoring (extracts, subscriptions, etc.)

Reporting adoption & user's behavior monitoring (via in-built and custom tools)

Skills

Must have

2+ year of reporting experience with Tableau and/or PowerBI

Strong skills in SQL

Bachelor's Degree or higher education level

Strong data analysis skills

Good presentation and data visualization skills

Great attention to details, structured and analytical approach, critical and logical thinking

Nice to have

Practical experience with other BI tools as a plus

Your future responsibilities:

• Perform the necessary daily/nightly 24/7 technological processes to ensure the operation of the banking system and internal processes within the department’s area of responsibility

Your experience and skills:

• 1 year of experience in IT
• Technical education
• Basic PC user skills (ability to work with Windows software — Office, Outlook)
• Basic knowledge of SQL, ability to understand scripts, and analyze logs
• Willingness to learn new processes (technologies) and provide further support for them
• Basic knowledge of banking accounting principles is preferred
• Basic understanding of information exchange between the Bank and the Processing Center is preferred

We offer what matters most to you:

• Competitive salary: we guarantee a stable income and annual bonuses for your personal contribution. Additionally, we have a referral reward program for attracting new colleagues to Raiffeisen Bank
• Social package: official employment, 28 days of paid leave, additional “maternity leave” for fathers, and financial assistance for parents upon the birth of children
• Comfortable working conditions: the possibility of a hybrid work format, offices equipped with shelters and generators, provision with modern equipment
• Wellbeing program: all employees have access to medical insurance from the first working day; consultations with a psychologist, nutritionist or lawyer; discount program for sports and shopping; family days for children and adults; massage in the office
• Learning and development: access to over 130 online educational resources; corporate training programs, online library, mentoring program
• A great team: our colleagues are a community where curiosity, talent and innovation are welcomed. We support each other, learn together and grow. You can find like-minded people in over 15 professional communities, reading or sports clubs
• Career opportunities: we encourage advancement within the bank between functions
• Innovation and technology. Infrastructure: AWS, Kubernetes, Docker, GitHub, GitHub actions, ArgoCD, Prometheus, Victoria, Vault, OpenTelemetry, ElasticSearch, Crossplain, Grafana. Languages: Java (main), Python (data), Go (infra, security), Swift (IOS), Kotlin (Andorid)Datastores: Sql-Oracle, PgSql, MsSql, Sybase. Data management: Kafka, AirFlow, Spark, Flink, we develop expertise in AI and actively integrate it into processes
• Support program for defenders: we preserve jobs and pay the average salary to mobilized people. We have a support program for veterans, and the Bank’s veteran community is developing. We are working to raise awareness among managers and teams on the issues of veterans’ return to civilian life. Raiffeisen Bank is recognized as one of the best employers for veterans (Forbes)

Why Raiffeisen Bank?

• Our main value is people, and we support and recognize them, educate them and involve them in changes. Join Raif’s team because for us YOU matter!
• One of the largest lenders to the economy and agricultural business among private banks
• Recognized as the best employer by EY, Forbes, Randstad, Franklin Covey, and Delo.UA
• The largest humanitarian aid donor among banks (Ukrainian Red Cross, UNITED24, Superhumans, СМІЛИВІ)
• One of the largest IT product teams among the country’s banks. • One of the largest taxpayers in Ukraine; 6.6 billion UAH were paid in taxes in 2023.

Opportunities for Everyone:

• Raif is guided by principles that focus on people and their development, with 5,500 employees and more than 2.7 million customers at the center of attention
• We support the principles of diversity, equality and inclusiveness
• We are open to hiring veterans and people with disabilities and are ready to adapt the work environment to your special needs
• We cooperate with students and older people, creating conditions for growth at any career stage

You matter at Raif!

Want to learn more? Follow us on social media:

Facebook, Instagram, LinkedIn

______________________________________________________________________

Твої майбутні обов’язки: 

• Виконувати необхідні, щоденні/нічні, цілодобові технологічні процеси для забезпечення функціонування банківської системи та внутрішніх процесів, що знаходяться в зоні компетенції підрозділу

Твій досвід та навички:

• Досвід роботи в ІТ від 1 року і більше
• Технічна освіта
• Базові знання користувача ПК (вміння працювати із ПЗ Windows — офіс, аутлук)
• Базові знання SQL, розбиратися в скриптах, вміти аналізувати логиБути готовим освоїти нові процеси (технології) із подальшим їх супроводженням
• Бути готовим освоїти нові процеси (технології) із подальшим їх супроводженням
• Бажанно володіти основами банківської бухгалтерії
• Бажано володіти основами обміну інформацією між Банком і ПЦ (Процесинговий Центр)

Пропонуємо те, що має значення саме для тебе: 

• Конкурентна заробітна плата: гарантуємо стабільний дохід та річні бонуси за твій особистий внесок. Додатково, у нас діє реферальна програма винагороди за залучення нових колег до Райффайзен Банку
• Соціальний пакет: офіційне працевлаштування, 28 днів оплачуваної відпустки, додатковий “декрет” для татусів, та матеріальна допомога для батьків при народженні дітей
• Комфортні умови праці: можливість гібридного формату роботи, офіси забезпеченні укриттями та генераторами, забезпечення сучасною технікою
• Wellbeing програма: для всіх співробітників доступні медичне страхування з першого робочого дня; консультації психолога, нутриціолога чи юриста; дисконт програми на спорт та покупки; family days для дітей та дорослих; масаж в офісі
• Навчання та розвиток: доступ до понад 130 навчальних онлайн-ресурсів; корпоративні навчальні програми, онлайн бібліотека, програма менторства
• Крута команда: наші колеги — це спільнота, де вітаються допитливість, талант та інновації. Ми підтримуємо один одного, вчимося разом та зростаємо. Ти можеш знайти однодумців у понад 15-ти професійних ком’юніті, читацькому чи спортивному клубах
• Кар’єрні можливості: ми заохочуємо просування всередині банку між функціями
• Інновації та технології. Infrastructure: AWS, Kubernetes, Docker, GitHub, GitHub actions, ArgoCD, Prometheus, Victoria, Vault, OpenTelemetry, ElasticSearch, Crossplain, Grafana. Languages: Java (main), Python (data), Go(infra,security), Swift (IOS), Kotlin (Andorid) Datastores: Sql-Oracle, PgSql, MsSql, Sybase. Data management: Kafka, AirFlow, Spark, Flink, розвиваємо експертизу в AI та активно інтегруємо в процеси
• Програма підтримки захисників і захисниць: ми зберігаємо робочі місця та виплачуємо середню заробітну плату мобілізованим. Для ветеранів та ветеранок у нас діє програма підтримки, розвивається ветеранська спільнота Банку. Ми працюємо над підвищенням обізнаності керівників та команд з питань повернення ветеранів до цивільного життя. Райффайзен Банк відзначений як один з найкращих роботодавців для ветеранів (Forbes)

Чому Райффайзен Банк? 

Наша головна цінність — люди і ми даємо їм підтримку і визнання, навчаємо, залучаємо до змін. Приєднуйся до команди Райфу, адже для нас ТИ маєш значення! 

• Один із найбільших кредиторів економіки та аграрного бізнесу серед приватних банків 
• Визнаний найкращим працедавцем за версіями EY, Forbes, Randstad, Franklin Covey, Delo.UA 
• Найбільший донор гуманітарної допомоги серед банків (Червоний Хрест України, UNITED24, Superhumans, СМІЛИВІ) 
• Одна з найбільших ІТ-продуктових команд серед банків країни 
• Один із найбільших платників податків в Україні, за 2023 рік було сплачено 6,6 млрд гривень

Можливості для всіх: 

• Райф керується принципами, що фокусуються на людині та її розвитку, у центрі уваги 5 500 співробітників та понад 2,7 мільйони клієнтів  
• Підтримуємо принципи різноманіття, рівності та інклюзивності
• Ми відкриті до найму ветеранів і людей з інвалідністю та готові адаптувати робоче середовище під ваші особливі потреби
• Співпрацюємо зі студентами та людьми старшого віку, створюючи умови для зростання на будь-якому етапі кар’єри

В Райфі ти маєш значення! 

Бажаєш дізнатися більше? — Підписуйся на нас у соц.мережах: Facebook, Instagram, LinkedIn 

SKELAR — is a Ukrainian venture builder that creates international tech businesses. Together with co-founders, we assemble strong teams to succeed in global markets.

We are currently looking for a Database Administrator to join our strong Software Development team (10+FTE) and work with our high-load products (up to 100k operations/sec).

Strategic challenges and objectives:

• Database health monitoring and troubleshooting.

• Work with massive amounts of data.

   

Key areas of responsibility:

• Collaborate with engineers, DBAs, and DevOps teams on technical issues.
• Provide support to developers and QAs as required.
• Maintain system monitoring of the database servers. Slow query reporting.
• Participate in database restructuring and management.

• Work on schema design and data modeling.

   

Technical requirements:

• Experience with administering MySQL server.
• Basic performance, query, and index optimization.
• Confident knowledge of MySQL backup solutions.
• Good understanding of monitoring requirements.
• Good understanding of replication principles.

• Comfortable with collaborative tools, such as Slack, wikis, Subversion, and basic ticket tracking systems (YouTrack, Jira).

   

Non-technical requirements:

• Fast learner and creative thinker with strong problem-solving skills.
• Effective team member with a high level of motivation and ability to work with little supervision.

• Dynamic self-starter with high attention to detail, highly responsible and reliable.

   

Desirable skills:

• Previous work experience with Python, Golang, Shell, or other programming languages.
• Previous work experience with relational databases, such as Oracle, PostgreSQL, and NoSQL DBs: MongoDB, Elasticsearch, Redis, etc.

• Good understanding of load balancers, DNS, networking, and/or client-side drivers.

   

By choosing us you get:

• Opportunity to work with a multi-million audience.
• Career growth and professional development with various internal training and seminars, access to an extensive book library, chance to participate in key IT industry events worldwide (attending the conferences).
• Work in a great team. We pay special attention to the recruitment and development of talent. All the members of our team are young, active, and highly motivated for creative problem-solving.
• Employee wellness program, which includes running sessions, football, basketball, and other sports. The cost of sports activities is covered by the company. In-house doctor support is also available on demand.

• Health insurance is available for all employees.

   

Let's build the next big everything together!

Our Customer:

A global enterprise focused on building advanced data and analytics capabilities and scaling a modern cloud-based BI platform based on Microsoft Fabric and Power BI.

Your tasks:

• Act as a technical expert for Power BI and Microsoft Fabric in an enterprise analytics environment.
• Troubleshoot complex issues related to performance, data refresh, semantic models, capacity, and cross-platform integrations (Azure, Databricks, SAP, etc.).
• Design and implement AI-driven accelerators using Microsoft Copilot, prompt engineering, and automation frameworks to reduce development effort and standardize BI delivery through reusable assets.
• Develop and validate Proofs of Concept for new Microsoft Fabric capabilities.
• Optimize semantic models, DAX calculations, Direct Lake performance, and overall reporting efficiency.
• Build and maintain reusable assets such as templates, scripts, and automation toolkits.
• Contribute to CI/CD pipelines, governance practices, and monitoring solutions for BI platforms.
• Translate architectural requirements into scalable technical solutions.

Required experience and skills:

• 8+ years of hands-on experience with Power BI development in enterprise environments.
• Strong expertise in Microsoft Fabric.
• Proven experience applying AI in BI or analytics engineering workflows, including Microsoft Copilot, prompt engineering, and automation frameworks.
• Advanced knowledge of DAX and semantic modeling.
• Strong understanding of Direct Lake, incremental refresh, aggregations, and performance optimization.
• Experience with deployment pipelines, workspace governance, and capacity management.
• Experience integrating with Azure, Databricks, SAP, and other enterprise data platforms.
• Experience delivering technical Proofs of Concept (POCs).
• Strong communication skills and ability to work with stakeholders.
• Upper-intermediate or higher English.

Would be a plus:

• Experience building reusable frameworks or internal BI tooling.
• Background in data engineering or data platform development.
• Experience with CI/CD automation.
• Experience working in large enterprise environments.
• Experience optimizing cloud cost and resource utilization.

Working conditions

5-day working week, 8-hour working day;

Remote work.

Our Customer:

Our client is an international technology company focused on protecting complex industrial and operational environments, helping ensure the resilience of essential infrastructure while driving innovation in the cybersecurity space.

Your Tasks:

• Lead the overhaul of CTD’s database schema to support high-load and scalable systems.
• Manage the transition from MariaDB to PostgreSQL while ensuring low risk to production environments.
• Design and develop a reliable Data Access Layer (DAL) for consistent data interaction.
• Establish clear models for transaction handling and session management.
• Improve database performance through effective indexing strategies and partitioning techniques.
• Set up database governance policies along with performance guidelines and best practices.
• Analyze and align database performance with system-level resources such as CPU, memory, and I/O.
• Develop monitoring, observability, and diagnostic solutions to simplify troubleshooting.
• Work closely with R&D, Product, and Support teams to ensure smooth collaboration and delivery.

Required Experience and Skills:

• 5+ years of experience as a Database Administrator (DBA).
• Strong practical experience working with MariaDB/MySQL and PostgreSQL.
• Proven track record of building and maintaining high-scale data systems.
• Expertise in query performance optimization, including advanced indexing and partitioning strategies.
• Deep understanding of transaction processing and concurrency control mechanisms.
• Hands-on experience handling high-throughput workloads and systems.
• Strong knowledge of data retention strategies and their implementation.
• English proficiency at Upper-Intermediate level or higher.

Would Be a Plus:

• Hands-on experience designing and implementing Data Access Layers (DAL).
• Proven experience migrating MySQL/MariaDB databases to PostgreSQL.
• Solid familiarity with Python and working with ORMs.
• Practical experience operating in on-premise environments.
• Experience using and implementing database observability and monitoring tools.

Working conditions

5-day working week, 8-hour working day;

Remote work.

Company

Zoot is a global provider of cloud-based instant credit decisioning, risk management, loan origination, workflow and case management solutions. For more than 30 years our innovative tools and services have enabled Zoot clients – leading banks, payment service providers, automobile and asset finance companies – to meet and exceed their business objectives. Zoot enables their clients to adapt faster than their peers to successfully seize market opportunities. Zoot’s clients benefit from unrivalled reliability via a highly scalable private cloud-based service that processes billions of real-time decisions annually.
Over the past 15 years, Zoot has achieved remarkable growth in Europe, establishing offices across Switzerland, Germany, the United Kingdom, and Ukraine, while building a team of over 50 exceptionally talented individuals.

Responsibilities

• Administer and support high-availability geographically distributed InnoDB MySQL real-time cluster processing millions of queries each day.
• Continuously optimise DBMS setup and configuration to support growing data volumes while ensuring maximum stability and availability.
• Consult solution developers when implementing sophisticated database access layers for the application servers: including fine tuning database structures, indexes, clustering, etc.
• Develop, optimise and run database scripts to support ad-hoc requests.
• Monitor health of all database instances; report and create regular reports on database cluster and databases state.
• Serve as a subject matter expert during troubleshooting incidents.
• Manage and maintain MySQL clusters for test environments.
• Experience with setup, administration and maintenance of No-SQL database systems.
• Oversee procurement and renewal of software, licenses, and support services.
• Execute maintenance activities for all database clusters during dedicated maintenance windows.

Profile

• University degree in Computer Science or relevant technical field, or equivalent practical experience.
• Strong desire and ability to learn, grow, and continuously improve.
• Hands-on experience with setup, configuration, maintenance and troubleshooting of MySQL databases (and InnoDB in particular). Experience with No-SQL databases is beneficial.
• Practical experience working with Linux servers – preferably Oracle Linux.
• Experience with collaboration and documentation tools: MS Office, Confluence and ticketing systems like JIRA.
• Accurate and analytical working style with high attention to detail.
• Basic understanding of data protection and data security best practices.
• Upper-intermediate English.

Zoot Offers

• Competitive salary and a high-quality working environment.
• Know-how, professionalism, and an international market-leading reputation.
• Interesting and challenging international clients and projects.
• Highly motivated, highly qualified team of friendly colleagues.
• Flexible working schedule.
• Financial support for relevant certifications and professional events.

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide.

Our global team of talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon.

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey.

Be part of the future of iGaming with ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!
 

Requirements: 

• 5+ years of PostgreSQL, Pg/SQL development experience. 
• Oracle SQL, PL/SQLL development experience will be a big plus. 
• Shredding, changing and understanding older code without the need to know everything about a business process is imperative. 
• Query performance analyzing and tuning. 
• Experience with high loaded OLTP systems. 
• Experience with very large databases. 
• Experience with design, development, and maintenance of reporting and data warehouse databases a plus. 
• Experience with migrating schemas and data from Oracle to other RDBMS a plus. 
• Basic DB administration experience. 
• Familiarity with database design, documentation and coding. 
• Familiarity with programming languages API. 
• Problem solving skills and ability to think algorithmically. 
• Experience with Amazon Redshift, RDS, Aurora is a plus. 

General skills: 

• English (reading/writing/speaking) — min Intermediate level. 
• Experience in working with people. 
• Quick understanding and learning abilities. 
• Ability to work on several tasks in parallel. 

 
Responsibilities: 

• Responsible for designing, coding, and implementing software solutions using modern techniques and programming SQL language. 
• Provides high-level database development assistance in creating specific applications for businesses. 
• Provides general support on information technology to design, develop, execute, and maintain the database application systems, applying several RDBMS. 
• Ensures research and innovation at all levels of the software development process. 
  May participate in multiple projects simultaneously as a senior development team member. 
• Works harmoniously in a cross-functional team comprising managers, supervisors, business analysts, systems personnel, network staff, and other developers in ensuring the delivery of software solutions as planned, within set budget, and timely. 
• Acts as a coach or mentor to junior software developers. 
• Provides excellent customer service by responding to and assisting with help desk calls to resolving issues, including system outages. 

Company offers: 

• Long-term employment. 
• Flexible timetable. 
• Comfortable working conditions. 
• Paid vacation and sick leaves. 
• English lessons, gym. 
• Competitive salary level. 

About us:

ARRISE sets the benchmark for service delivery and excellence in the iGaming industry. Playing a key role in the success of its clients, which include Pragmatic Play, a brand relied upon by the world’s biggest online casinos for its cutting-edge products, ARRISE helps to deliver exceptional gaming experiences to millions of players worldwide. 

Our global team of over 6,000 talented and driven professionals are shaping the future of iGaming. Headquartered in Gibraltar, we have offices spanning Canada, India, the Isle of Man, Latvia, Malta, Romania, Serbia, Bulgaria, and the UAE, and more exciting destinations on the horizon. 

At ARRISE, we take pride in creating growth opportunities at all levels, constantly investing in our people while welcoming new colleagues and forging strategic partnerships that open new opportunities for success. 

To achieve this, we bet on ourselves. We know that success is a collective effort, and our team is driven by ambition, collaboration, and a shared commitment to grow and succeed—while embracing every step of the journey. 

Be part of the future of iGaming with 6,000 ARRISERS! See a job that excites you? Apply now, and our friendly recruitment team will connect with you soon. Your journey starts here!   

Requirements: 

• Requires 4 or more years of related experience, maintenance, and administration of PostgreSQL databases.   
• Previous SQL Server and/or Oracle database administration experience is a plus.  
• Strong writing and verbal communication skills.   
• Displays excellent collaborative skills with cross-functional teams.  

Responsibilities:  

• The DBA should have knowledge of some industry standard PostgreSQL databases including creation and implementation of fully functional PostgreSQL database clusters (both in the cloud AWS RDS and on-premises), ability to maintain multiple development, QA, and production PostgreSQL environments with experience in performance tuning.  
• Review existing configurations and installations and provide design decisions for improvements to platform environments.  
• Assist in planning and performing PostgreSQL database upgrades and migrations.  
• Perform production level support and be part of the on call rotation when required.  
• This position will be responsible for supporting new and existing PostgreSQL database systems, both internally and future Cloud managed instances and will contribute in defining best practices in database administration, and introduce innovation with automation.  
• Proficient with the Linux operating systems - Ubuntu, RHEL.  
• Assist in implementing long-term strategic goals for database development in conjunction with end users, managers, clients, and other stakeholders.   
• Perform debugging, tuning, and performance enhancement as well as automation of operational and continuous integration aspect of the PostgreSQL platform.  
• Independently analyzes, solves, and corrects issues in real time, providing problem resolution end-to-end.  

Company offers: 

• Long-term employment; 
• Flexible timetable; 
• Comfortable working conditions; 
• Paid vacation and sick leaves; 
• English lessons, gym; 
• Competitive salary level. 

Responsibilities
 

• Act as the primary point of contact for all MongoDB-related topics, including reviewing and approving configuration and setup changes.
• Maintain and support MongoDB databases across both Atlas and on-prem environments.
• Maintain and support SQL Server and PostgreSQL databases in on-prem and AWS environments.
• Monitor database systems for health, performance, and availability.
• Advise software engineers on SQL query optimization and database schema design.
• Minimize database downtime and manage High Availability (HA) and Disaster Recovery (DR) strategies.
• Plan and contribute to long-term scalability and database architecture.
• Implement database changes, apply patches, and manage version upgrades.
• Assist with building and maintaining data extraction pipelines from MongoDB and SQL Server.
• Participate in the on-call rotation to support production systems.
   

Requirements

• 4+ years of combined experience across data platforms, including at least 2 years in a DBA role (MongoDB and relational databases, infrastructure, and application support).
• Hands-on data engineering experience (Airflow preferred).
• AWS experience (minimum 1 year).
• Advanced T-SQL development skills.
• Proficiency with Git and modern code management workflows.
• Strong understanding of backup, recovery, security, and data integrity principles.
• Excellent problem-solving skills with strong algorithmic thinking.
• Ability to work effectively in a fast-paced environment and meet deadlines.
• Fluent in English.

Delasport — Implementing Technological Solutions Here and Now.

Delasport is an iGaming Software company providing Sports Betting & Online Casino software, and turnkey B2B solutions. Established in 2010, Delasport delivers a one-stop-shop solution of Sports Betting and Online Casino from a White-Label, with a full range of management services to a Plug&Play iFrame and a complete Turnkey. We are looking for the top talents to join our team in R&D centre in Kyiv.

The DBA team manages database availability, security, and performance, ensuring data integrity and efficient access. They handle backups and user permissions while providing proactive support.

RESPONSIBILITIES

• Design and maintain database systems, ensuring high availability and reliability tailored to each end user’s role
• Implement databases aligned with specific user information needs and operational requirements
• Define user permissions and facilitate precise data distribution, ensuring timely and accurate access
• Leverage high-speed transaction recovery techniques and establish regular data backups to ensure data integrity
• Minimize database downtime, tuning parameters to maximize query performance and responsiveness
• Provide both proactive and reactive data management support to ensure uninterrupted operations
• Develop, enforce, and document comprehensive database policies, procedures, and standards
• Conduct regular tests and evaluations to safeguard data security, privacy, and integrity
• Monitor database performance, apply updates, and implement patches to maintain optimal operation

REQUIREMENTS

• Experience: Proven background in database administration, IT, database architecture, or a related field
• Technical Skills: Hands-on experience with database standards and end-user applications
• Data Integrity & Security: Strong knowledge of data backup, recovery, security, and integrity protocols for SQL or NoSQL engines
• System Proficiency: Experience with GNU/Linux server environments
• Database Design: Familiarity with database design principles and documentation practices
• Programming Knowledge: Basic familiarity with programming languages
• Problem Solving: Strong analytical skills with a capacity to approach challenges algorithmically
• Education: BS degree in a computer discipline or a relevant certification

NICE TO HAVE

• Expertise with MySQL and PostgreSQL
• Familiarity with cloud technologies like GCP and AWS
• Experience with version control systems such as GitHub and Bitbucket

WHAT WE CAN OFFER YOU

• Modern office in Podil with an uninterruptible power supply and the Internet
• Personal time off (21 business days of paid vacation, paid days on special occasions, sick leaves, emergency days off)
• Public holidays
• Health and life insurance with our broker, available starting from the month following the employee’s start date with the company
• Modern technical equipment
• English courses with native speakers
• Ukraine-based educational programs
• Sports activities reimbursement
• Corporate entertainments
• Happy hours on Fridays
• Gig contract support

A product company is looking for a Data Infrastructure Engineer to join the team in a fully remote format.
 

The company develops end-to-end data and trading technology solutions for the foreign exchange, financial, and futures markets. Their product enables international companies and banks to execute transactions on global currency exchanges with ultra-low latency, giving them a competitive edge measured in milliseconds.

The business is steadily growing, continuously expanding its team, and launching new projects, remaining a stable and evolving player in the market.

This is a high-impact role where you will be responsible for building the core infrastructure behind a next-generation FX trading analytics platform.

Required: experience in setting up and maintaining infrastructure for data projects from scratch, experience in maintaining time-series databases (ClickHouse, InfluxDB, ScyllaDB/Cassandra, etc)
Experience in making decisions regarding data architecture will be a plus.

Hello! We are a dynamically developing group of companies in the iGaming and high-risk industries. We work at the intersection of iGaming, crypto, and payment solutions, creating large-scale products. We are rapidly growing, expanding our project portfolio, and periodically entering new GEOs. Speed, flexibility, and continuous development are important to us – both in our products and our team.

We are currently seeking a strong, independent Database Administrator to strengthen our team!

What you'll be doing:

Administering and developing transactional databases;

Analyzing database architecture and data storage structure;

Optimizing SQL query performance based on execution plan analysis;

Working with indexes: index design, performance analysis, and understanding their impact on data storage and performance;

Analyzing database statistics and interpreting metrics to optimize system performance;

Working with data types and optimizing their use for performance and indexing;

Working with locks: analyzing, diagnosing, and optimizing concurrent data access;

Making database schema changes in a busy system (e.g., adding columns to tables under load);

Designing and optimizing data models for high-load systems;

Participating in architectural decisions on database scaling;

Working with sharding and distributing data across multiple databases;

Working with database migrations.

What we expect from you:

At least 4 years of DBA experience;

Deep understanding of database architecture and data storage principles;

Experience with transactional databases;

Understanding of the data storage structure at the database and disk level, index principles, database statistics, and their impact on query optimization;

Experience analyzing SQL query execution plans and optimizing queries;

Understanding of different data types and their impact on performance and indexing;

Knowledge of database locking mechanisms and concurrent access principles;

Experience with AWS, understanding of key infrastructure and database metrics, and the ability to analyze and use them to diagnose performance issues and optimize system operation;

Experience with database schema migrations in high-load systems;

Understanding of data modeling and database schema design;

Experience with sharding and data distribution;

Ability to independently propose architectural solutions, not just implement tasks;

Ability to work autonomously and act as a database expert within the team;

A willingness to develop the team's database competencies.

A plus:

Experience with multi-master solutions;
Experience with a distributed PostgreSQL stack.
What we offer:

Remote work from anywhere in the world;
Flexible start times and flexible schedule;
Stable, competitive salary pegged to the USD;
Necessary equipment for work;
Opportunity to arrange sick days/days off and sick leave compensation from your first day with the company;
Paid vacation (20 working days);
Great experience in one of the most qualified iGaming teams;
Training and opportunities for growth in all areas of the company;
Friendly communication culture, excellent product, and transparent processes.

We are constantly growing and now looking for DB Internals & Query Execution Specialist (C++/Java) deep expertise in database engine internals, query planning, and execution architecture to join Mixed Remote Development Team collaborating with a top storage company based in Tel Aviv with investors such as Dell Capital and NVIDIA. The role involves developing (C++/Java) and optimizing core components of a SQL or analytical database engine with a strong focus on performance, concurrency, and resource efficiency.

Requirements:

• Expertise in database core development, including storage engines, query planners, execution engines, and transaction processing.
• Strong understanding of storage engines: row vs column layouts, heap files, LSM trees, B-Trees
• Experience with index structures: B-trees, LSM indexes, hash and inverted indexes
• Knowledge of buffer pool and cache management mechanisms
• Solid grasp of transactions and concurrency: MVCC, locking, isolation levels
• Familiarity with durability and recovery: WAL, replication, crash recovery
• Understanding of low-level performance factors: memory layout, disk I/O, CPU cache behavior
• English, sufficient for interviews and participation in meetings (B2)
•  

We offer:

• Remote work, mixed international team, cutting-edge technologies, and flexible working hours.
• The project that you are not ashamed to write about in your resume.
• High salaries and bonuses.
• Business trips to Israel (beach hotel, rented car).
• A friendly team with experienced mentors instead of bosses.