NewWorkday Integration Developer Bright Vision TechnologiesWorkday Integration DeveloperWestford, MARemote$100,000–$180,000 / yearJob Title: Workday Integration Developer Location: 100% Remote (U.S.) Position Type: Full-time, Direct W2 Salary Range: $100,000–$180,000 Annually Experience Required: 6+ years Sponsorship: U.S. Citizens, Green Card Holders, EAD Holders, and H-1B transfer candidates are encouraged to apply. In this role you will work closely with cross-functional partners — product, design, engineering, operations, and business stakeholders — to translate ambiguous requirements into well-engineered solutions, and will be expected to raise the bar through code review, design review, and mentorship of more junior engineers.
NewWindchill Integration Developer Bright Vision TechnologiesWindchill Integration DeveloperWestford, MARemote$100,000–$180,000 / yearLead migration efforts to retire legacy point-to-point integrations and replace them with modern, middleware-mediated patterns, planning phased cutovers, building backward-compatibility shims where needed, and ensuring each migration step is reversible and well-monitored. Job Title: Windchill Integration Developer Location: 100% Remote (U.S.) Position Type: Full-time, Direct W2 Salary Range: $100,000–$180,000 Annually Experience Required: 6+ years Sponsorship: U.S. Citizens, Green Card Holders, EAD Holders, and H-1B transfer candidates are encouraged to apply.
Senior AWS Developer SMART TECH SKILLS LLCSenior AWS DeveloperBoston, MAFull timeThe IT Senior AWS Developer supports critical MassHealth applications by designing, developing, and maintaining cloud-native solutions within the Medicaid Systems Development (MSD) team. This role focuses on building serverless applications on AWS that support healthcare operations, document processing, system integrations, and secure data management.
Actimize Developer Integrated Resources, IncActimize DeveloperQuincy, MassachusettsFull timePosition: Actimize developerDuration: 6+ MonthsLocation: Quincy, MA• has more than 5-6+ years overall experience and at least 2-3+ years' experience in Actimize - SAM8, WLF and CDD Modules• Experience in leading Actimize product implementation in banks for AML and/or Fraud• Good knowledge of Actimize's architecture, engineering and implementation.• 2 to 3 years of IT experience and advanced skills in SQL DB, Java/ JEE, Web-Technologies, XML, ETL and Web-Services• 2 to 3 years of IT experience in Data Modeling concept, Systems Analysis and Design• Should be well versed with the data feeds required by Actimize.•
Sr. UI Developer, eCommerce, HOKA NA Deckers Outdoor CorpSr. UI Developer, eCommerce, HOKA NAMA$64,820–$91,060 / yearInterested applicants must reside in one of the following approved states: Arizona, California, Colorado, Connecticut, Massachusetts, Minnesota, New Jersey, New York, Oregon, Texas, Wisconsin. Shape the digital experience for HOKA customers by designing and developing responsive, visually stunning web pages and interactive features that inspire and engage.
NewBack End Developer (Mid) MaximusBack End Developer (Mid)Manchester, NHRemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Back-End Software Developer Shall perform engineering tasks for back-end design and development efforts including, but not limited to, developing back-end architectures to support current and new system capabilities and integrations, RESTful API development and modification, database management, and data model development and optimization.
Senior Java Developer Eliassen GroupSenior Java DeveloperBoston, Massachusetts$60–$65 / hourAbout Eliassen Group:Eliassen Group is a strategic consulting firm that helps organizations reach further and achieve more through our technology, business advisory, and life sciences solutions. For nearly 40 years, we have combined exceptional people, deep domain expertise, and intelligent capabilities to expand our clients’ capacity and accelerate meaningful outcomes.
Software Development Engineer II, Developer Experience Architecture Car GurusSoftware Development Engineer II, Developer Experience ArchitectureBoston, MA$112,000–$141,000 / yearThoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways.
Senior Software Engineer, Developer Experience Architecture Car GurusSenior Software Engineer, Developer Experience ArchitectureBoston, MA$140,000–$176,000 / yearThoughtful perks like daily free lunch, a new car discount, meditation and fitness apps, commuting cost coverage, and more help our people create space for what matters most in their personal and professional lives. Our career development and corporate giving programs, as well as our employee resource groups (ERGs) and communities, help people build connections while making an impact in personally meaningful ways.
Java Full Stack Developer Infosys LtdJava Full Stack DeveloperBoston, MA2247825No5439237910.00.007/10/2026Java Full Stack DeveloperIn the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below: Contribute to the requirements elicitation process by documenting assigned parts of business requirements, in line with guidance provided. We specialize in creating human-centered digital platforms that help enterprises stay relevant by transforming business models, future-proofing operations, and bringing agility and responsiveness.
Senior .NET developer Boston Globe Media Partners LLCSenior .NET developerBoston, MA$115,000–$140,000 / yearYou will work on a team of front-end and back-end developers to deliver a high quality ecommerce experience for bostonglobe.com and affiliated properties. Proficiency in database design - experience with MySQL, Postgres, SQL Server or other relational SQL database (creating tables, views, stored procedures).
Python Full Stack Developer Infosys LtdPython Full Stack DeveloperBoston, MA$76,071–$98,893 / year2247806No5439237910.00.007/21/2026Python Full Stack DeveloperIn the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below: Contribute to the requirements elicitation process by documenting assigned parts of business requirements, in line with guidance provided. Technology Lead - USTechnology|data science|PYTHON Technology|Reactive Programming|react JS Technology|Analytics - Solutions|SQL Server - Analytics.
Java, AWS, CICD Developer Infosys LtdJava, AWS, CICD DeveloperBoston, MATechnology Lead - USTechnology|AI Hyperscalers|AWS Agentic AI Services Technology|data science|PYTHON Skills: Python PySpark Java Springboot, Microservices, API/Rest Services, AWS Services, Redshift Postgres SQL, GitHub copilot knowledge or any other AI tool experience. 2247829No5439237910.00.007/10/2026Java, AWS, CICD DeveloperIn the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below: Contribute to the requirements elicitation process by documenting assigned parts of business requirements, in line with guidance provided.
Java with Python Developer Infosys LtdJava with Python DeveloperBoston, MATechnology Lead - USTechnology|Full stack|Java Full stack Technology|data science|PYTHON Skills: Python PySpark Java Springboot, Microservices, API/Rest Services, AWS Services, Redshift Postgres SQL, GitHub copilot knowledge or any other AI tool experience. 2247828No5439237910.00.007/10/2026Java with Python DeveloperIn the assigned Job Role of Technology Consultant 2, your Area Of Responsibility will be as below: Contribute to the requirements elicitation process by documenting assigned parts of business requirements, in line with guidance provided.
.NET developer Boston Globe Media Partners.NET developerBoston, MA$115,000–$140,000 / yearPart timeProficiency in database design - experience with MySQL, Postgres, SQL Server or other relational SQL database (creating tables, views, stored procedures). You will work on a team of front-end and back-end developers to deliver a high quality ecommerce experience for bostonglobe.com and affiliated properties.
Apple iOS Developer iBoss CybersecurityApple iOS DeveloperMAiboss is a leading AI-powered Zero Trust SASE (Secure Access Service Edge) platform trusted by more than 4,000 enterprises worldwide, including a significant number of Fortune 50 companies and U.S. government agencies. Leveraging a purpose-built cloud architecture backed by 230+ issued and pending patents and more than 100 points of presence globally, iboss processes over 150 billion transactions daily, blocking 4 billion threats per day.
Software Engineer, Full Stack, Developer Productivity Benchling IncSoftware Engineer, Full Stack, Developer ProductivityBoston, MABy understanding the unique challenges developers face and crafting solutions to streamline their workflows, youll play a key role in driving innovation and fulfilling Benchling's mission. Over 200,000 scientists around the world trust Benchling to power their most important work, from academic labs to Sanofi, Moderna, and more than half of the worlds top 50 biopharma.
Java Developer Inteletech GlobalJava DeveloperBoston, MassachusettsEmail321-472-2525 Work www.inteletechglobal.com E-Verified | Fastest Growing company by Inc 5000 | MWBE, WOSB Certified Compensation: $50.00 - $60.00 per hour . Proficient in relational databases (e.g., MySQL, PostgreSQL, DB2) and experience with writing complex queries and optimizing database performance.
Python Developer GovServicesHubPython DeveloperBoston, MassachusettsRequirements: Experience: Proven experience as a Senior/Principal Full Stack Python Developer with a strong portfolio of building enterprise level applications. Looking for a Senior Python Software Engineer with experience integrating with Axioma optimizer.
.NET developer Boston Globe Media.NET developerBoston, MassachusettsProficiency in database design - experience with MySQL, Postgres, SQL Server or other relational SQL database (creating tables, views, stored procedures). You will work on a team of front-end and back-end developers to deliver a high quality ecommerce experience for bostonglobe.com and affiliated properties.
.Net Developer Boston Globe Media.Net DeveloperBoston, MA$115,000–$140,000 / yearProficiency in database design - experience with MySQL, Postgres, SQL Server or other relational SQL database (creating tables, views, stored procedures). You will work on a team of front-end and back-end developers to deliver a high quality ecommerce experience for bostonglobe.com and affiliated properties.
Senior Software Engineer, Developer Experience Architecture CarGurus IncSenior Software Engineer, Developer Experience ArchitectureBoston, MA$140,000–$176,000 / yearPosition Pay Range 140000 - 176000 USD Working at CarGurus We reward our Gurus curiosity and passion with best-in-class benefits and compensation including equity for all employees both when they start and as they continue to grow with us. Thoughtful perks like daily free lunch a new car discount meditation and fitness apps commuting cost coverage and more help our people create space for what matters most in their personal and professional lives.
Software Development Engineer II, Developer Experience Architecture CarGurus IncSoftware Development Engineer II, Developer Experience ArchitectureBoston, MA$112,000–$141,000 / yearPosition Pay Range 112000 - 141000 USD Working at CarGurus We reward our Gurus curiosity and passion with best-in-class benefits and compensation including equity for all employees both when they start and as they continue to grow with us. Thoughtful perks like daily free lunch a new car discount meditation and fitness apps commuting cost coverage and more help our people create space for what matters most in their personal and professional lives.
A - 2/6 - 9656 - Sr Rhapsody Developer - Remote FHRA - 2/6 - 9656 - Sr Rhapsody Developer - RemoteBoston, MARemoteDescription: The candidate must be able to independently research and design processes, create specifications, develop, lead testing, perform code reviews, actively engage with the team and stakeholders, attend meetings, provide guidance, and respond promptly. • Assist the team, DPH staff, and vendors to onboard providers and partners to utilize Rhapsody supported services like HL7 electronic lab reporting (ELR), electronic test.
A - 2/2 - 9656 - Sr Rhapsody Developer - Remote FHRA - 2/2 - 9656 - Sr Rhapsody Developer - RemoteBoston, MARemoteDescription: The candidate must be able to independently research and design processes, create specifications, develop, lead testing, perform code reviews, actively engage with the team and stakeholders, attend meetings, provide guidance, and respond promptly. • Assist the team, DPH staff, and vendors to onboard providers and partners to utilize Rhapsody supported services like HL7 electronic lab reporting (ELR), electronic test.
Sr. Salesforce Developer, Service Cloud MindlanceSr. Salesforce Developer, Service CloudBedford, MAWhat You Will Do: Design, build, and support solutions on Salesforce Service Cloud, Salesforce Order Management (OMS) using Apex, Lightning, and Flows. Candidates need to know the above and be able to explain their experience working with them - please only submit candidates you're confident in after verify they understand and can speak to their experience in the above requirements.
Senior Oracle Apex Developer II CONTACT GOVERNMENT SERVICESSenior Oracle Apex Developer IIBoston, MA$149,760–$216,320 / yearCGS is hiring a Senior Oracle APEX Developer to support a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. For the past seven years, we've been growing our government contracting portfolio, and along the way, we've created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work.
Dynamics Software Developer Bright Horizons Family SolutionsDynamics Software DeveloperNewton, MA$113,000–$141,000 / yearThe individual must have a strong customer service philosophy and skills; thrive in a team environment as well as in an individual setting; demonstrate impeccable organization, attention to detail and follow-up skills; have a willingness to take on new projects; be a self-starter, highly motivated, results-driven and goal-oriented, comfortable setting aggressive goals and exceeding them. Bright Horizons is a leading education and care company that helps employees thrive at work and at home by partnering with employers to offer high-quality child care, elder care, and educational support.
Share Point Developer CONTACT GOVERNMENT SERVICESShare Point DeveloperBoston, MA$80,000–$200,000 / yearWorks out the details of functional and design requirements, systems design, programming specifications, data elements, data validation specifications, data capture mechanisms, and data conversion procedures through discussions with Government staff and own superiors. Here at CGS we value honesty through hard work and self-awareness, professionalism in all we do, and to deliver the best quality to our consumers mending those relations for years to come.
Senior Oracle APEX Developer Contact Government Services LLCSenior Oracle APEX DeveloperBoston, MASenior Oracle APEX DeveloperBoston MA Remote Hybrid Philadelphia PAInformation Technology Full Time Hybrid Hybridapply for this jobSenior Oracle APEX DeveloperEmployment Type Full-Time Entry-Mid LevelDepartment Information TechnologyCGS is hiring a Senior Oracle APEX Developer to support a range of IT services including software application support enterprise infrastructure support service desk ITSM deskside support workstation engineering and maintenance telecommunications and mobility engineering services managed print services Active Directory services and video conferencing. Join our team and become part of government innovationExplore additional job opportunities with CGS on our Job Boardhttpscgsfederal.comjoin-our-teamFor more information about CGS please visit httpswww.cgsfederal.com or contactEmail emailprotectedCJ116480 - 149760 a yearWe may use artificial intelligence AI tools to support parts of the hiring process such as reviewing applications analyzing resumes or assessing responses.
Senior Oracle Apex Developer CONTACT GOVERNMENT SERVICESSenior Oracle Apex DeveloperBoston, MA$116,480–$149,760 / yearCGS is hiring a Senior Oracle APEX Developer to support a range of IT services, including software application support, enterprise infrastructure support, service desk, ITSM, deskside support, workstation engineering and maintenance, telecommunications and mobility engineering services, managed print services, Active Directory services, and video conferencing. For the past seven years, we've been growing our government contracting portfolio, and along the way, we've created valuable partnerships by demonstrating a commitment to honesty, professionalism, and quality work.
Senior Node.js Full Stack Developer Nirvana Health IncSenior Node.js Full Stack DeveloperSouthborough, MADesign and develop scalable web applications with rich and modern user experiences using Angular, Node, and JavaScript. Developer with a high degree of versatility, integrity, and technical ability to join our agile software development team.
Frontend Developer, Shopify Maverick Work Wear IncFrontend Developer, ShopifyNorth Reading, MA$100,000–$120,000 / yearAs our Frontend Developer, Shopify you will be the primary internal owner of our Shopify Plus storefront ecosystem, responsible for building, maintaining, and continuously improving the digital experiences that serve our DTC customers online, our wholesale partners through our B2B catalog, and our retail teams through Shopify Point of Sale. Develop, maintain, and enhance the BRUNT DTC eCommerce storefront on Shopify Plus, building and customizing Liquid-based themes to deliver a brand-consistent, high-performance shopping experience.
Senior Applications Developer Boston CollegeSenior Applications DeveloperMARemote$107,350–$134,200 / yearThis requires involvement by the incumbent at various capacities, including managing and planning project assignments, developing design and technical specifications, assisting users with business requirements, mentoring and training application developers, and promoting and developing strategic new services. Strong SQL and relational database experience, solid experience in Application Engine, Application Package, Component Interface, SQR, nVision, PeopleCode, Workflow, PeopleTools 8 AppDesigner, application of Upgrade/Bundles, Oracle DBMS, and Linux experience.
Senior Developer - Business Process Solutions - Solect Energy Pattern Energy Group LPSenior Developer - Business Process Solutions - Solect EnergyHopkinton, Massachusetts$90,000–$110,000 / yearDesign, develop, test and deploy solutions primarily within Salesforce (Apex, LWC, Flow, integrations) and the Microsoft 365 ecosystem (Power Automate, Power Apps, SharePoint) to support business processing needs. This role requires both strong technical depth and the interpersonal skills necessary to extract requirements, collaborate across teams, and independently drive projects from inception through delivery.
Senior Salesforce Developer Wounded Warrior Project, Inc.Senior Salesforce DeveloperBoston, MA$103,448–$129,360 / yearAll resumes submitted by search firms to any employee at Wounded Warrior Project via email, the Internet or directly to hiring managers at Wounded Warrior Project in any form without a valid written search agreement in place will be deemed the sole property of Wounded Warrior Project, and no fee will be paid in the event the candidate is hired by Wounded Warrior Project as a result of the referral or through other means.". The Wounded Warrior Project (WWP) Senior Salesforce Developer designs, develops, and implements scalable Salesforce solutions, including custom applications, integrations, and Communities/Portal functionality.
Developer Relations LogRocketDeveloper RelationsBoston, MA$155,000–$265,000 / yearYou'll inherit one of the strongest developer content platforms in the industry: PodRocket, our podcast that's consistently ranked a top developer show in State of JS and State of CSS surveys; the LogRocket blog, which has been one of the most-trafficked frontend engineering resources on the web for years; and our growing YouTube channel. The classic developer blog model, high-volume SEO content for frontend frameworks, is getting squeezed by AI search and LLM-generated answers.
Mulesoft Developer TandymMulesoft DeveloperWilmington, Massachusetts$65 / hourAn organization is seeking a Mulesoft Developer in Wilmington, MA to design, develop, and support enterprise integrations and API solutions. Experience with REST and SOAP web services, RAML, DataWeave, connectors, JSON, XML, XSLT, JMS, and SQL.
Javascript - Senior Developers - AI Training - Boston, USA Prolific Academic LtdJavascript - Senior Developers - AI Training - Boston, USABoston, MAWe've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. We're looking for JavaScript Experts to join our Expert Network to help train and evaluate cutting-edge AI models using real engineering expertise.
HTML/CSS - Senior Developers - AI Training - Boston, USA Prolific Academic LtdHTML/CSS - Senior Developers - AI Training - Boston, USABoston, MAWe've built a unique platform that connects researchers and companies with a global pool of participants, enabling the collection of high-quality, ethically sourced human behavioural data and feedback. Testing & Tools: proficiency with browser DevTools, accessibility auditing tools (e.g., axe, Lighthouse), and cross-browser testing platforms.
Cloud Developer II Honeywell International IncCloud Developer IIFramingham, MA$94,400–$142,000 / yearAs a trusted partner, we provide actionable solutions and innovation through our Aerospace Technologies, Building Automation, Energy and Sustainability Solutions, and Industrial Automation business segments - powered by our Honeywell Forge software - that help make the world smarter, safer and more sustainable. Lenel/S2 is looking for a driven professional to join its Cloud Engineering/Managed Services team to onboard and secure the On-Guard AWS hosted single-tenant environments for our key customers, as well as helping us automate sustainable and repeatable architecture for future growth.
Senior Quantitative Developer Man GroupSenior Quantitative DeveloperBoston, MassachusettsWe use Control-M and Airflow for workflow management, Kafka for data pipelines, Bitbucket for source control, Jenkins for continuous integration, Grafana + Prometheus for metrics collection, ELK for log shipping and monitoring, Docker for containerisation, OpenStack for our private cloud, Ansible for architecture automation, and Slack for internal communication. Your challenges will be varied and may include onboarding new datasets, implementing new trading signals, developing portfolio optimization tools, building data visualization frameworks, enhancing our research platform, and performance tuning existing code using efficient numerical algorithms and cluster-computing solutions.
Guidewire Developer-Claimcenter Kemper Corp.Guidewire Developer-ClaimcenterBoston, MARemote$89,000–$148,100 / yearAlpharetta, Georgia, Birmingham, Alabama, Boston, Massachusetts, Chicago, Illinois, Cleveland, Ohio, Columbus, Ohio, Downers Grove, Illinois, Jacksonville, Florida, P&C-Ingram Rd-San Antonio-TX, Remote-CT, Remote-GA, Remote-IL, Remote-IN, Remote-OH, Remote-PA, Remote-TX, Remote-VA, Richardson, Texas, Tampa, Florida. You will work on Guidewire ClaimCenter and its surrounding middleware (Java/SpringBoot, AWS SQS/SNS, AWS Lambdas, AWS PostgreSQL, etc…).
NewSENIOR CRM DEVELOPER, IS&T Applications Vets HiredSENIOR CRM DEVELOPER, IS&T ApplicationsBoston, MassachusettsParticipate in projects that typically require a working knowledge of various Salesforce products such as Sales Cloud, Service Cloud, Community Cloud, Marketing Cloud, and Tableau CRM Plus or the force.com platform and have a mix of non-Salesforce CRM systems. Effective oral and written communication skills to work with subject matter experts (SMEs) and business partners within the University to elicit the information necessary for project technical design.
Android Mobile Developer Analog DevicesAndroid Mobile DeveloperWilmington, MassachusettsADI combines analog, digital, and software technologies into solutions that help drive advancements in digitized factories, mobility, and digital healthcare, combat climate change, and reliably connect humans and the world. For positions requiring access to technical data, Analog Devices, Inc. may have to obtain export licensing approval from the U.S. Department of Commerce - Bureau of Industry and Security and/or the U.S. Department of State - Directorate of Defense Trade Controls.
Java/C++ Developer Integrated Resources, IncJava/C++ DeveloperConcord, MassachusettsFull timeDesign and develop high-volume, low-latency applications for mission-critical systems, delivering high-availability and performanceContribute in all phases of the development lifecycle, provide design and architectural guidance and lead other engineers from time to time as well as perform as a hand's on developerWrite well designed, testable, efficient codeEnsure designs are in compliance with specificationsPrepare and produce releases of software componentsSupport continuous improvement by investigating alternatives and technologies and presenting these for architectural reviewBS/MS degree in Computer Science, Engineering or a related subject5 - 10 years of hands-on Software Development experience along with demonstrated track record of participating in SW design activities5 years of experience in Java or C++ development (Java preferred)Hands on experience in designing and developing applications using either Visual -Studio or Eclipse IDE environmentsExperience working with Agile/Scrum processExperience with Hadoop or other "Big Data" technologies (Cassandra, Accumulo) is a strong positive. Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)Experience with large-scale search and discovery platforms such as Elastic Search and Solar is strongly desired
SFDC Developer Georgia IT Inc.SFDC DeveloperBoston, MAExperience implementing complex Apex integrations using multiple integration design patterns. Hands-on experience delivering complex Lightning Web Components (LWC) user stories independently.
Salesforce SFDC Developer Georgia IT Inc.Salesforce SFDC DeveloperBoston, MAStrong expertise in Salesforce Apex development, including multi object triggers, bulkified code, and governor limit optimization. • Excellent communication skills, with the ability to translate business requirements into scalable solutions and mentor team members Preferred Qualifications.
Staff Aug- Senior Snowflake Developer-DPH MindlanceStaff Aug- Senior Snowflake Developer-DPHBoston, MAThis role is responsible for building scalable data solutions that support reporting, analytics, and data-driven decision-making for EOHLC's Public Housing and Rental Assistance Divisions, enabling program teams to effectively manage, analyze, and leverage critical housing and assistance data. The Executive Office of Housing and Livable Communities ( EOHLC or Eligible Entity ) was established as a Secretariat in 2023 by the Healey-Driscoll Administration to create more homes and lower housing costs for Massachusetts residents.
PowerBI developer 181486 PeopleSERVE, Inc.PowerBI developer 181486Boston, MAThe Skills You Bring Tech lead role who will be responsible for managing a team of developers and analysts to deliver business value by coordinating with Architects, Analysts and Product owners. Strong understanding of data modeling concepts (star schema, snowflake schema, etc.) and the ability to design scalable data models.