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- ...protocols , peering , and PrivateLink/Private Endpoints . ~ Hands-on experience and technical proficiency in SQL or NoSQL databases ( SQL Server , MySQL , PostgreSQL , MongoDB , etc.). ~ Proven track record implementing Enterprise Identity and Access...SQLFull timeContract work
- ...Spring, Spring Boot, messaging and persistence system. You have a deep understanding of storage technologies such as PostgreSQL or SQL Server, and how to effectively leverage them at massive scale. You have deep experience with cloud-native technologies and best...SQLFull timeWorldwide
- ...data findings in a readable and insight driven format. Experience building support decks. • Advanced SQL coding • Experience on Platforms/Environments: SQL Server, Microsoft BI Stack • Experience on SQL Server Integration Services (SSIS), SQL Server Analysis Services...SQLFull timeWorldwide
- ...tooling and design best practices 5. Cloud and DevOps Architecture, especially via Pivotal Cloud Foundry 6. Databases – Oracle, SQL server, PostgreSQL, Redis 7. Tools - Eclipse or IntelliJ, Sonar, GIT, Maven, SQL Developer, Jenkins, CI/CD, Gatling About You •...SQLFull timeWorldwide
- ...predictive analytics, and data product development. • Advanced SQL skills with experience working with large-scale and complex... ...Snowflake, Databricks, Azure/AWS cloud platforms, Microsoft Fabric, SQL Server, and related technologies. • Experience building and...SQLFull timeWorldwide
- ...Docker, Kubernetes, and containerization Solid understanding of: Microservices architectures Distributed systems design SQL and NoSQL databases CI/CD pipelines Monitoring and observability frameworks Nice to Have Experience building AI-driven...SQLFull time
- ...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
$35 per hour
...backend API ( Python/FastAPI/Flask or Node/Express ). Design and implement data models, schemas, and persistence layers using SQL (PostgreSQL, SQLite) or NoSQL stores. Implement authentication, sessions, and basic role-based access where needed. Integrate third...SQLHourly payPart timeFreelanceRemote work10 hours per week- ...analysis, system debugging). ~ Experience working in ad tech platforms such as DSPs, SSPs. ~ Proficient in querying databases ( SQL, Postgres, or MySQL ). ~ Understanding of advertising technology concepts , including ad serving, programmatic bidding, pixels,...SQLFull 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- ...user interfaces (React or similar). ~ Hands‑on experience using SQL and relational databases for application development, data... ...databases. ~ Experience with JBoss, tomcat or similar web app servers. ~ Eperience in developing applications using J2EE tech stack...SQLFull time
- ...Oracle and PostgreSQL database administration, including configuration, patching, upgrades, and performance optimization Advanced SQL and PL/SQL development, query tuning, and DDL design to support application and platform teams Linux/Unix environments, shell scripting...SQLFull timeWorldwide
- ...and frameworks. ~ Super Proficiency with .React, Redux, Typescript, Javascript ~ NET/C#/Java, React, Redux, Typescript, and SQL Server or other object-oriented languages, front-end frameworks, and/or relational database technologies ~ Solid experience with RESTful...SQLFull timeWorldwideFlexible hours
- ...and operate systems on AWS (compute, networking, storage, and deployment patterns) Define and improve data access patterns across SQL and NoSQL databases, including migrations and performance tuning Implement caching strategies (e.g., Redis/Memcached) to reduce latency...SQLFull timeLocal areaWorldwideFlexible hours
- ...SOLID principles. Experience building REST APIs and service-oriented architectures. Knowledge of relational databases such as SQL Server and performance optimization techniques. Familiarity with asynchronous programming, dependency injection, and middleware...SQLFull time
- ...• Strong knowledge of APIs, SOA, REST, SOAP based web services Experience with JavaScript, XML, XSLT, and JSON Database concepts and SQL expertise Familiarity with Oracle Visual Builder and Oracle Process Cloud Experience with other middleware tools or integration platforms...SQL
- We are hiring an SDE 2 Backend Engineer to support the design, development, and maintenance of scalable backend services and APIs. The role will involve owning backend workstreams, building reliable system integrations, improving performance and observability, and contributing...Full time
- ...share our vision and mission: deliver trust in digital assets. Required At least 3+ years of proven experience of back-end and server-side development Great at algorithm design, problem solving, and complexity analysis Strong experience with of TypeScript,...Full timeWork at officeWorldwideMonday to Friday
- ...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
- ...from design to implementation. ~ Ability to own service level system design. ~ Demonstrated experience in .NET (C#, ASP.NET MVC), SQL, and database design . ~ Proficiency with JavaScript, JSON, and REST APIs . ~ Solid understanding of Agile software...SQLFull time
- ...tools for data analysis, data preparation and information delivery: Alteryx and Tableau • Core database environments: Oracle, MS SQL Server Role: • Support multiple analytics projects and initiatives within GBSC and Mastercard. • Identify, design and implement...SQLFull timeTemporary workWork experience placementWorldwide
- ...engineering, Code Profiling, Core Java , Thread/GC/Connection Pool concepts, JVM Tuning , Web & Application servers Tuning (Jboss,Tomcat,Apache) , Oracle DB Tuning , SQL Tuning , Thread & Heap Dump Analysis • Performance Test Workload Modelling , Performance Test Strategy...SQLFull timeWorldwide
- ...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
- Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...Full 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 Continuous Delivery...SQLFull timeLive inWorldwide
- ...Java , Go , or Python . Experience building RESTful APIs , microservices , and distributed systems. Familiarity with SQL and/or NoSQL databases. Proven experience designing and delivering end-to-end features across frontend and backend layers. Good...SQLFull time
- Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions...SQLFull timeWorldwide
- ...growth. Nice-to-Have Skills GitHub Actions SonarQube Checkmarx Black Duck HashiCorp Vault Redis Kafka Oracle / SQL / MongoDB Cloud Security Engineering API Gateway Platforms Corporate Security Responsibility All activities involving...SQLFull timeWorldwide
- ...ideal candidate will have 2–5 years of experience and a strong analytical mindset to solve complex business problems. Proficiency in SQL, Tableau, R, and Python (advanced preferred), along with an ability to derive actionable insights, is essential for this role. Key Responsibilities...SQLFull time
- ...• Hands-on experience in developing and successfully deploying production-level AI applications • Experience with Python, Spark or SQL. • Basic understanding of LLMs, Generative AI concepts, prompt engineering, and AI/ML workflows. • Exposure to at least one cloud...SQLFull timeWorldwide
