Jobs SQL / DBA

We are looking for a Middle Analyst to join an analytics project for a US-based logistics company. 

Project: A SaaS-based shipping solution enables businesses to connect with carriers and optimize their freight operations.

Allocation:  Long-term / Full Time

Location: Remote
Client location: USA 

Hiring Process:
HR interview
Technical interview / practical skills assessment
Final interview with the client

Tech Stack:

• Power BI
• Data analysis / reporting
• Dashboard building
• Working with operational and business metrics
• SQL will be a plus

Responsibilities:

• Analyze timesheet and project data to generate actionable insights
• Prepare and deliver weekly and monthly reports
• Build and maintain dashboards to track support metrics and performance trends
• Monitor key metrics, identify significant changes, and proactively highlight insights
• Support recurring reporting processes in line with established schedules
• Collaborate closely with clients and internal business teams to ensure data accuracy and relevance

Requirements

• 3–5+ years of experience 
• Strong analytical mindset with the ability to interpret data and draw meaningful insights
• Ability to analyze datasets, identify trends, and detect anomalies
• Experience in building and maintaining recurring reports and dashboards
• Comfortable working with both ad-hoc analysis and ongoing operational reporting
• Proficiency in Power BI for data visualization and reporting

• English level: Upper-intermediate/Advanced

   

  Nice to Have

• Knowledge of SQL

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.

Responsibilities:

• Design, develop, and maintain interactive dashboards and reports using Power BI.
• Work with business stakeholders to understand reporting needs, define KPIs, and translate business questions into data-driven insights.
• Build and optimize data models, datasets, and reporting layers to support scalable analytics.
• Analyze structured and semi-structured data to identify trends, patterns, risks, and opportunities.
• Develop data-driven solutions, including statistical analysis, forecasting, segmentation, and predictive models where applicable.
• Prepare, clean, transform, and validate data from multiple sources.
• Collaborate with data engineers, backend developers, product teams, and business users to ensure data quality and consistency.
• Automate recurring reporting and analytical workflows where possible.
• Leverage AI-assisted tools to accelerate analysis, improve productivity, and streamline repetitive data tasks.

Requirements:

• 4+ years of experience in data analytics, business intelligence, or data science roles.
• Strong hands-on experience with Power BI, including dashboard development, data modeling, and report optimization.
• Solid knowledge of SQL and experience working with relational databases.
• Experience with data preparation, transformation, and validation.
• Strong understanding of DAX and Power Query.
• Experience defining and tracking business KPIs and analytical metrics.
• Practical experience with Python or R for data analysis, automation, or modeling.
• Understanding of statistical analysis, forecasting, or basic machine learning concepts.
• Ability to communicate complex analytical findings to both technical and non-technical stakeholders.
• Experience working with large datasets and identifying data quality issues.
• Practical hands-on experience with AI-assisted tools such as ChatGPT, Claude, Cursor, GitHub Copilot, or equivalent tools for analytics, coding, documentation, and workflow optimization.

Nice to have:

• Experience with Azure data services, AWS, or other cloud platforms.
• Experience with Microsoft Fabric, Azure Synapse, Databricks, or similar data platforms.
• Experience building predictive models or ML-powered analytics solutions.
• Knowledge of ETL/ELT processes and data warehouse concepts.
• Experience with advanced Power BI performance tuning.
• Familiarity with data governance, access management, and row-level security.
• Experience working in product analytics, finance analytics, marketing analytics, or operational reporting.

Note:

The role description is intentionally high-level at this stage, as some project details are confidential. We will be happy to share more context during the interview process.

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.

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.

PLEASE NOTE that we are searching for candidates who are located in Lviv and are able to visit office in Lviv.

About us:

EveryMatrix is a leading B2B SaaS provider delivering iGaming software, content and services. We provide casino, sports betting, platform and payments, and affiliate management to 200 customers worldwide.

But that's not all! We're not just about numbers, we're about people. With a team of over 1000 passionate individuals spread across twelve countries in Europe, Asia, and the US, we're all united by our love for innovation and teamwork.

EveryMatrix is a member of the World Lottery Association (WLA) and European Lotteries Association. In September 2023 it became the first iGaming supplier to receive WLA Safer Gambling Certification. EveryMatrix is proud of its commitment to safer gambling and player protection whilst producing market leading gaming solutions.

Join us on this exciting journey as we continue to redefine the iGaming landscape, one groundbreaking solution at a time.

We are looking for a passionate and dedicated Trainee/Junior BI/DB Developer to join our team in Lviv!

What You'll get to do:

• Develop real-time data processing and aggregations
• Create and modify data marts to enhance the data warehouse
• Manage internal and external integrations
• Build and maintain various types of reports

Our Main Stack:

• Databases: BigQuery, PostgreSQL, SQL
• ETL: Apache Airflow, Apache NiFi
• Streaming: Apache Kafka

What You need to know:

• Bachelor’s or Master’s degree in a STEM field
• Solid understanding of Computer Science fundamentals: Software Engineering, Algorithms, Operating Systems, Networking, etc.
• Strong knowledge of at least one RDBMS (PostgreSQL, MSSQL, Oracle, MySQL), including: database internals, query optimization, indexing, partitioning, practical experience with ETL/ELT processes
• Experience in creating or supporting Data Warehouses
• Hands-on experience with at least one enterprise Business Intelligence platform
• English proficiency at an intermediate level or higher (reading, writing, speaking)
   

Here's what we offer:

• Start with 22 days of annual leave, with 2 additional days added each year, up to 32 days by your fifth year with us.
• 3 sick leave days per year, no doctor's note required; 30 medical leave days with medical allowance
• Hybrid work schedule is available after the first three months of employment, with up to 50 days of work from home per year.
• Benefit from two Free Fridays each year, limited to one per quarter.
• Daily catered lunch or monthly lunch allowance. 
• Private Medical Subscription. 
• Access online learning platforms like Udemy for Business, LinkedIn Learning or O’Reilly, and a budget for external training.
• Gym allowance.
• Corporate English lessons.
• Support for New Parents:
• 21 weeks of paid maternity leave, with the flexibility to work from home full-time until your child turns 1 year old.
• 4 weeks of paternity leave, plus the flexibility to work from home full-time until your child is 13 weeks old.

Our office perks include on-site massages and frequent team-building activities in various locations.

At EveryMatrix, we're committed to creating a supportive and inclusive workplace where you can thrive both personally and professionally. Come join us and experience the difference!

⚡️ We are a dynamic and growing affiliate marketing network that specializes in connecting advertisers with targeted audiences to generate high-quality leads.⚡️

We are looking for an experienced Billing and Payment Collection Manager to lead our billing operations and ensure accurate, timely payments from affiliates and advertisers.

Responsibilities:

• Lead and manage the billing and collection process, ensuring accurate billing calculations and on-time payments from affiliates and advertisers;
• Coordinate with advertiser managers and finance teams to capture all costs and revenues accurately;
• Develop and implement efficient billing procedures;
• Oversee the maintenance and updating of billing records in Google Sheets;
• Handle escalated billing inquiries from affiliates and advertisers;
• Prepare ad-hoc reports, financial analyses, and provide insights to senior management;
• Support other finance-related projects and contribute to overall departmental objetives.

Qualifications:

• Bachelor’s degree in Accounting, Finance, or related field (or equivalent experience);
• Proven experience in a billing, finance, or accounting management role.
• Proficiency in Google Sheets;
• Excellent organizational skills;
• Strong attention to detail and problem-solving skills;
• B2 English level;
• A proactive approach to process improvement and team management.

Job Type & Location:

• This is a full-time position;
• Sunday-Thursday working schedule;
• The role offers the flexibility to work remotely.

We are seeking a highly experienced Senior Oracle DBA with strong Exadata expertise to join a critical enterprise production environment in Frankfurt. This role requires deep hands-on experience managing high-performance, high-capacity Oracle databases in mission-critical systems. You will be responsible for ensuring stability, performance optimization, high availability, and operational excellence across complex RAC and Exadata environments. This is a production-heavy role requiring strong troubleshooting capabilities, automation skills, and ownership mindset.

Details: 

Location: Frankfurt, Germany (2 days onsite per week)
Relocation: Open to EU candidates willing to relocate
Employment Type: Full-time (Direct hire via HCL client)
Support Model: 24/7 Global Production Support

Key Responsibilities

Manage and support large-scale Oracle production environments

Administer and optimize Oracle Exadata infrastructure

Perform health checks, migrations, patching, and upgrades on Exadata systems

Manage and support RAC environments (build, configuration, troubleshooting, tuning)

Administer ASM, Dataguard, GRID Infrastructure (CRS)

Execute backup, recovery, and migration activities using RMAN, DataPump, export/import

Perform advanced database and SQL performance tuning

Maintain databases using Oracle Enterprise Manager (OEM Grid Control)

Support development teams in analyzing and resolving database-related issues

Develop automation scripts and optimize operational workflows

Participate in ITIL-based Change and Release Management processes

Collaborate with offshore teams in a global support model

Ensure high availability, reliability, and security of database systems

Required Experience & Skills

10–12 years of production experience as an Oracle DBA

At least 6 years of strong hands-on experience on Oracle Exadata platform

Solid experience with Oracle 11gR1/R2 RAC, including build, administration, break/fix, and performance tuning

Strong knowledge of ASM and Dataguard administration

Experience managing Clusterware / GRID Infrastructure (CRS)

Expertise in SQL and database-level performance tuning

Advanced backup and recovery knowledge (RMAN)

Experience with Exadata storage cells and Infiniband

Hands-on experience with Solaris, Linux, and AIX operating systems

Strong shell scripting skills

Experience working in large corporate enterprise environments

Experience working with offshore vendors

ITIL-based Change/Release Management experience (preferred)

Soft Skills

Excellent troubleshooting and analytical skills

Strong initiative and ownership mindset

Excellent communication and coordination skills

Ability to work in a 24/7 global support environment

Strong documentation and collaboration skills

Team-oriented with strong stakeholder management abilities

We need an experienced Oracle Database Engineer who is comfortable owning complex, mission-critical environments and is ready to play an active role in modernising an enterprise data platform toward Azure and Microsoft technologies.

What this role is about

This is a hands-on Oracle-focused role with real technical depth and forward-looking scope. You will design, implement, and support core Oracle database environments while contributing to a gradual shift toward Microsoft and Azure-based platforms. It is not purely operational — you will have genuine influence over platform architecture and the direction of a broad, evolving data estate.

What you will actually do

Design, implement, and support enterprise-scale Oracle database environments

Own high availability, performance tuning, backup, recovery, and resilience across Oracle platforms

Support Oracle directory and identity services, including Oracle OID and OVD

Automate database operations through scripting, tooling, and replication

Collaborate with managed service providers and professional services partners to deliver and support Oracle services

Contribute to database architecture and platform design with security, performance, and scalability in mind

Support Microsoft SQL Server environments including SSRS, SSIS, and SSAS

Contribute to data warehousing solutions and ETL/ELT processes

Support and advise on Oracle-to-Microsoft and Azure migration initiatives

Build hands-on exposure to cloud database services including Azure SQL Database, Azure Cosmos DB, and MongoDB Atlas

What you bring — essential

Strong hands-on experience designing, implementing, and supporting Oracle databases

Solid grasp of Oracle performance, resilience, and security

Experience working with managed service providers or delivery partners

Working knowledge of Microsoft SQL Server and related BI tooling

Familiarity with data warehousing concepts and ETL/ELT pipelines

Practical, automation-first approach to database operations

Interest in or exposure to cloud database platforms, particularly Azure

Intermediate to advanced certification in Oracle, database, or cloud technologies

ITIL Foundation or equivalent service management experience

Nice to have

Oracle-to-Microsoft migration project experience

Azure-native database services and public cloud deployments

Modern data warehousing architectures

BI and data consumption platforms

Why this role stands out

You will work with large-scale Oracle environments that genuinely matter to the business, while also shaping where those platforms are heading. It is a rare combination of deep operational ownership and real architectural influence — with structured support to grow your skills across Oracle, SQL Server, and Azure along the way.

Remote | Freelance Hourly Contract
 

We're building a structured supplement intelligence platform with 50,000+ products across 350+ categories. We need a detail-obsessed operator to keep product data accurate, clean, and complete.
 

What We Need

• Basic SQL (SELECT, JOIN, WHERE, UPDATE)
• Basic regex (read and apply existing rules, no writing required)
• Extreme precision and attention to detail
• Comfortable with repetitive work done consistently well
• Familiar with supplement facts panels and marketing language (ingredients, doses, claims, certifications)
• Fine to work in evening time

Immediate Tasks

• Review and correct product records in the Filament admin panel
• Map ingredients, categories, and brands to internal taxonomy
• Run prepared SQL queries to find data gaps and inconsistencies
• Create simplified, regex-like rules to clean titles, doses, and units
• QA outputs from OCR and LLM extraction pipelines — flag and correct edge cases
• Maintain data quality dashboards, report issues to backend

Tech Environment

MySQL, Filament admin, basic regex

Why Join

• Clear scope — you own data quality, the backbone of the product
• Direct impact — your work ships daily, no layers between you and production
• Small team — work directly with CEO and backend
• Mission — bring transparency to the $200B global supplement market

Required

• B2 English
• Self-directed, reliable, hits deadlines
• Async, written-first communication (Slack/WhatsApp, Linear)

About LabelWise — Structured supplement intelligence platform. Scans labels to instantly reveal safety, quality, and price across 50,000+ products.

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. 

Doctor Eleks is a Ukrainian medical information system that helps automate the work of clinics and doctors across the country. We are looking for a Middle Software Developer to join our eHealth team on a remote basis!

eHealth is an electronic healthcare system that automates the recording of medical services and the management of medical information.

Key responsibilities for the project:

• Database design (creating tables, relationships, and writing procedures)
• Integration with the medical system (using an internal framework)

Skills our future colleague should possess:

• Strong experience with Microsoft SQL Server and relational databases.
• Ability to write efficient, complex SQL queries for high bandwidth large datasets.
• Hands-on experience with stored procedures, views, and functions.
• Strong knowledge of query optimization and performance tuning.
• Experience in analysis and improvement of execution plans.
• Solid understanding of indexing (clustered, non-clustered).
• Knowledge of database design, keys, and table relationships.
• Basic database administration skills (indexing, tuning, optimization).
• Experience working across SDLC phases.
• English level: A2–B1.

Will be a plus:

• Knowledge of API architectures and .NET
• Experience with REST API, MySQL, PostgreSQL, and OracleDB.

What do we offer:

• Health insurance;
• Competitive compensation based on your experience and skills;
• The opportunity to work on a technologically complex and socially significant product in the medical field;

• A team of professionals who support and share their expertise.

   

If you want to be a part of our team that is truly changing healthcare in Ukraine — Doctor Eleks is waiting for your resume 💙

About the position:

We are looking for a Database Developer to join our team and contribute to the development and support of a large-scale enterprise application. In this role, you will work on a mission-critical system, ensuring stability while also driving the implementation of new features and performance improvements. You will collaborate closely with cross-functional teams, participate in architectural discussions, and apply best practices throughout the full software development life cycle.

Key Responsibilities:

• Design stable, reliable and effective database structure.
• Optimize and maintain legacy systems.
• Modify database structure according to user requests and perform tests.
• Solve performance issues.
• Liaise with developers to improve systems and establish best practices.
• Gather user requirements and develop new features.
• Provide support to users of our systems.
• Ensure all business system meet company to performance requirements.

Requirements:

• Deep understanding of database design process (tables, indexes).
• Knowledge of query perfomance tuning mechanisms.
• Ability to work with query and database metrics.
• Experience in writing complex stored procedures.
• Knowledge of ETL processes.
• Experience of 3 years working with IBM DB2 or Oracle, or MS SQL (complex databases).

We Offer:

• Competitive salary package and performance-based motivation system.
• Opportunity to work in a financially strong, fast-growing multinational company.
• Constant interaction with global teams of professionals.
• Access to continuous professional development: training, certification programs, events, and team buildings.
• Gifts and bonuses for significant life events, corporate awards, and long-service recognition.