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- ...consuming RESTful APIs. Good understanding of API security (OAuth2, JWT, SSL/TLS). Strong SQL skills with hands-on experience in relational databases such as SQL Server, Oracle, PostgreSQL, or MySQL. Experience writing complex SQL queries, stored procedures,...SQLFull timeWorldwide
- ..., data product development and quantitative analysis • Financial Institution or a Payments experience a plus • Experience on SQL Server Integration Services (SSIS), SQL Server Analysis Services (SSAS) and SQL Server Reporting Services (SSRS) • Advanced SQL skills...SQLFull timeWorldwide
- ...content. Design and implement advanced caching and data-cache and SQL tuning as part of performance optimization. Support... ...suite of products including Solr, Liberty, WebSphere Application Server, and DB2. Experience with EJBs, JSPs, Servlets, JDBC, JNDI,...SQLFull time
- Overview Position: Senior Ruby on Rails (ROR) Developer Experience: 10+ Years Employment Type: Full-Time About the Role: We are seeking a highly skilled and experienced Ruby on Rails Developer with over 10 years of expertise in designing, developing, and maintaining complex...SuggestedFull time
$1,200 - $1,500 per month
...fast-paced development squad, interfacing smoothly between backend server logic, relational databases, and modern front-facing interfaces.... ...: Design, optimize, and maintain relational schemas inside MS SQL Server , ensuring stellar data integrity, performant queries,...SQLFull timeRemote workWork from homeMonday to Friday- ...The following is a plus: · Proficiency with Java JDK 17, Spring Boot, Kafka, Spring Security, Maven, Hibernate / JPA, REST, and SQL Server or other object-oriented languages and/or relational database technologies. · Solid experience with event driven architecture....SQLFull timeWorldwide
- ...Microservices ~ Experience in AWS services ~ Experience working in SQL and relational databases ~ Expert knowledge of Linux operating... ...stacks ~ Operational experience troubleshooting network/server communication is a plus ~ Motivation, creativity, self-...SQLFull timeWork experience placementWorldwide
- ...like SFTP, FTPS, etc.. • 2+ years of experience writing, optimizing, and automating tasks using Linux shell scripting. • Expert in SQL queries and relational databases (Oracle, PostgreSQL) • Familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and...SQLFull timeWorldwide
- ...Design, code, and deploy scalable distributed backend services and server-side logic cleanly natively utilizing Backend system... ...indexing schemas, and mapping transactional tables natively using SQL or advanced NoSQL database engines. Demonstrated history operating...SQLFull timeWork at officeImmediate startRemote workWork from homeWorldwide
- ...Good knowledge of data structures and algorithms. ~ Good to have Spring Boot, Spring Security, Maven, Hibernate / JPA, REST, and SQL Server or other object-oriented languages, front-end frameworks, and/or relational database technologies. ~ Solid experience with...SQLFull timeWorldwideFlexible hours
- ...RESTful APIs (Spring Boot-based). • Hands-on experience with relational databases (PostgreSQL preferred), including writing optimized SQL queries and handling large datasets • Experience developing data visualization component libraries and productized dashboards •...SQLFull timeWorldwide
- ...Angular / React, JavaScript, HTML, CSS • Distributed systems: caching, messaging/event frameworks • Database: PostgreSQL (optimized SQL development) • API design and implementation • CI/CD and cloud-native development practices • Experience delivering enterprise-...SQLFull timeWorldwide
- ...– Kubernetes, Docker, Chef, Azure, AWS • Databases – PostgreSQL, Oracle, MSSQL • Tools – Eclipse or IntelliJ, Sonar, GIT, Maven, SQL Developer, Jenkins, CI/CD Corporate Security Responsibility All activities involving access to Mastercard assets, information, and...SQLFull timeWorldwide
- ...you encounter varies from front-end web development to writing server-side calculation code to database work. There are no rigid organizational... ...of applications using .NET and database technologies like SQL Implement scalable and efficient data architectures using...SQLFull timeWorldwideFlexible hours
- ...Working knowledge of analytics applications (i.e. Alteryx (Mandatory), Tableau, Qlik) • Working knowledge of database tools (e.g. MS SQL Server, pgAdmin, Eclipse, Toad) • Experience leveraging APIs for data retrieval/upload (e.g. Postman) • Experience applying business...SQLFull timeRemote workWorldwide
- ...preparation and information delivery: Fabric, Alteryx, Tableau, PowerBI, Power Platform Core database environments: Oracle, MS SQL Server, Fabric, Dataverse Role • Lead multiple analytics projects and initiatives within GBSC and Mastercard. • Identify, design...SQLFull timeTemporary workWorldwide
- ...RLS, dashboard design). ~ Proven experience migrating from Power BI to QuickSight (or comparable BI-to-BI migrations). ~ Strong SQL skills, including complex queries, window functions, and performance tuning. ~ Solid understanding of dimensional data modeling, semantic...SQLContract work
- ...prefer MuleSoft Developer– Level 1 and Level 2 Certifications Preferred: ● Priorexperience with relational databases and transact SQL ● Priorexperience working on an agile project ● Excellent written and oral communication skills Ideal Mindset: ●...SQLWork at officeRemote workFlexible hours
- ...solutions across multiple clients and industry sectors. • Use SQL and other database technologies to optimize data processing. Develop... ...(RDBMS), with strong hands-on expertise in Microsoft SQL Server and related technologies. • Familiarity with ETL frameworks and...SQLFull timeLocal areaWorldwideFlexible hours
- ...access (security roles/teams) ~ Ability to integrate with common enterprise sources/services (e.g., SharePoint , Microsoft 365 , SQL, APIs via connectors) ~ Comfortable with solution-based development and deployment across environments (basic ALM concepts) ~ Strong...SQLFull timeRemote work
- ...streaming, queuing, and caching strategies, supported by robust observability (logging, metrics, tracing). ~ Strong proficiency with SQL/NoSQL (e.g., DynamoDB , Elasticsearch , Vespa ) and cloud-native development within AWS or GCP . ~ Working knowledge of...SQLFull time
- ...processes. Required Skills • 7+ years of experience in Java development. • Strong knowledge of Java, Spring Boot, REST APIs, SQL, and Microservices. • Experience with JUnit, Mockito, TestNG, REST Assured, Postman, or similar testing frameworks. • Experience...SQLFull timeWorldwide
- ...and guidelines. • Design and support 24x7 high-availability solutions for seamless database operations. • Optimize database and server performance by analyzing and configuring physical server hardware, operating systems, and database software settings. Provide...Full timeWorldwideShift work
- ...opportunity in a fast-paced, rewarding environment. Role: • Hands on experience with Java 11+, react , angular , JBehave, Spring Boot, SQL, RDBMS (Oracle and postgres), NoSQL (mongo,Cassandra), • Introduces new technologies, recommends new platforms/libraries. •...SQLFull timeTemporary workWorldwide
- ...Kubernetes, Docker, Chef, Azure, AWS • Databases – Oracle and any open source • Tools – Eclipse or IntelliJ, Sonar, GIT, Maven, SQL Developer, Jenkins, CI/CD • Has ability to write secure code Java and familiar with secure coding standards (e.g., OWASP, CWE, SEI...SQLFull timeContract workWorldwide
- ...distributed web applications Your code is comprehensible, well-structured, highly performant Experience with database modeling (SQL or NoSQL both OK) Experience with using and designing RESTful services Strong knowledge of computer science fundamentals,...SQLFull timeWorldwide
- ...integration, ETL, API, performance, security, chaos, and cloud-native application testing. • Apply strong technical expertise in Java, SQL, REST/SOAP APIs, Python, Hadoop/Spark, CI/CD tools, Jenkins, code scanning tools, branching strategies, and test automation...SQLFull timeWorldwide
- ...You Essential knowledge, skills & attributes • Hands on experience with core Java, Spring Boot, Spring (MVC, IOC, AOP, Security), SQL, RDBMS (Oracle and PostGRES), NoSQL (Cassandra, preferable), Web-services (JSON and SOAP), Kafka, Zookeeper • Hands on experience...SQLFull timeWorldwide
- ...Spring framework 2.7, 3.0, Spring boot 3.x, RESTful web services) • Solid knowledge and experience integrating web services, writing SQL queries, • Exposure to building cloud ready applications (microservices) • Good knowledge of TDD and BDD • Exposure to...SQLFull timeLive inWorldwide
- ...following technologies: o Configuration Management tools (e.g., Subversion, Git). o ExtJS o Java o Spring o Hibernate o SQL o Oracle • Understanding of software design principles, patterns, algorithms, data structures, and multi-threading concepts. •...SQLFull timeWork experience placementWorldwide





