About Ylopo

Ylopo, LLC is a rapidly growing marketing and technology company providing internet marketing services and proprietary lead generation and engagement software to successful real estate agents across the country. We are seeking an outgoing, tech savvy individual to join our growing team.

Why work for Ylopo?

At Ylopo we offer team members:

A full time, permanent work from home set up

A commitment to personal development
guidance and support at a high level through interfacing with our Executive Team to prioritize goals as a company,

Excellent leadership and mentoring for our entry-level to senior staff, and recognition of outstanding efforts,

Team building events, team lunches/ happy hours, and other company wide events

A supportive, caring environment dedicated to continuous learning and growth.
With over a decade of experience in the real estate industry Howard is now back alongside Juefeng Ge, former head of digital marketing for TigerLead and now co-founder and Chief Marketing Officer of Ylopo, to leverage the latest and most effective technological advancements in the field to help Ylopo’s clients generate more business and better promote their team, brand, and listings.

Ylopo LLC

Why work for Ylopo?

<ul>
	<li>At Ylopo we offer team members:</li>
	<li>a commitment to personal development,</li>
	<li>guidance and support at a high level through interfacing with our Executive Team to prioritize goals as a company,</li>
	<li>excellent leadership and mentoring for our entry-level to senior staff, and recognition of outstanding efforts,</li>
	<li>team building events, team lunches/ happy hours, and other company wide events</li>
	<li>a supportive, caring environment dedicated to continuous learning and growth.</li>
</ul>

 

Ylopo LLC is an exciting, rapidly growing, and well-funded technology headquartered in Santa Monica, CA with a growing team based in and around Manila. We are looking for a talented Data Analyst and System Support to work alongside our CTO. The right candidate will have extensive experience with ETL process and SQL coding and analysis skills.

This is a full-time, work from home position with working hours of 8:00 AM - 4:00 PM PST. Occasional weekend work or overtime may arise when deadlines need to be met.

 

Job Requirement:

<ul>
	<li>Design, analyze and document business requirements</li>
	<li>Collect, analyze and structure data sets based on requirements</li>
	<li>Analyze, design, document, develop databases and data collection systems</li>
	<li>Collaborate with a team of analysts and other associates to process information and visualize data</li>
	<li>Work with the management and other business leaders to identify and prioritize business and information needs</li>
	<li>Conduct SIT, lead the UAT and oversee projects from beginning to completion</li>
	<li>Locate and define new process improvement opportunities</li>
	<li>Monitor and maintains application and troubleshoot technical issues</li>
	<li>Provide technical support, test and evaluate new technologies</li>
</ul>

Data Analyst

Yondu is a Philippine-based IT solutions company owned by Globe Telecom. We empower businesses across various industries through a wide array of innovative technology solutions to help them scale in the new digital economy. Our mission is to create happier technological experiences by turning great ideas into excellent and valuable business solutions.
If you’re looking to advance your career in the IT industry, Yondu is the best place to be. You will be a part of a young, dynamic culture that always pursues innovation and growth. As a Yondude, you’ll gain fresh perspectives from a team of knowledgeable and competitive individuals and learn how to develop cutting-edge business solutions that go above and beyond. You’ll also enjoy collaborating with brilliant and fun people who are ready to take on the world.
Established in 2001, our company has grown exponentially, and we’re always on the lookout for highly skilled and competitive individuals to innovate and evolve with. If this sounds exciting for you, #BeAYondude, and leverage your expertise to help us achieve our ultimate goal of going above and beyond!
Join us and grow your career in the IT industry!

YONDU INC.

Duties and Responsibilities:

<ul>
	<li>Develop and implement advanced data analysis techniques to optimize efficiency and quality.</li>
	<li>Prepare and present detailed reports, dashboards, and visualizations of operational results for stakeholders.</li>
	<li>Interpret data using analytics and statistical methods, providing insights and recommendations.</li>
	<li>Lead the full lifecycle of analytics projects, from requirements gathering to design and execution.</li>
	<li>Evaluate key performance indicators and provide ongoing reports to support decision-making.</li>
	<li>Collaborate with cross-functional teams to ensure data integrity and alignment with business goals.</li>
	<li>Stay updated on industry trends and emerging technologies in data analysis and analytics tools.</li>
	<li>Conducted data quality assessments and implemented improvements as needed.</li>
	<li>Support the development and implementation of data governance policies and procedures.</li>
	<li>Mentor junior analysts and provide training on data analysis techniques and tools.</li>
	<li>Other job-related activities may be assigned from time to time.</li>
</ul>

Work Set-up: Hybrid (3x a week RTO)

Python

Started in 2013, we are the first agency in the Philippines to provide sales and marketing outsourcing solutions through a fully-staffed, ready to dock sales and marketing organization. In less than 5 years, we have serviced some of the biggest brands in the country, such as adidas Philippines, Globe Telecom, Datu Puti, San Remo Pasta, Bridgestone, Meralco, and many more!

Check out more at:
https://www.youtube.com/watch?v=TzmRH_T4Tvs&t=7s

Blue Spark Solutions, Inc.

Do

•Translate business requirements to usable Excel dashboards and visualizations

•Design and execute efficient ETL process and data model that will allow for easy integration of builds like additional calculations and visualization

•Design charts and tools that will enable richer insight

•Create topline analysis on assigned workstreams

Display

•Intellectual horsepower

•Structured &amp; logical thinking (simplifying the complex)

•Strong project management skills

•Creative thinking

•Effective communication

•Proactiveness

•Good storytelling

Deliver

•On-time delivery of dashboards, reports, analysis

•100% accuracy on key category context reports / outputs

Be a model of our three core values: Excellence, Integrity, and Malasakit

Data Analyst | Consumer Insights

Peroptyx is a provider of location-based machine learning (ML) training data and model evaluation solutions to leading global consumer technology brands.

Customers benefit from unique data security and identity innovations which minimise bias and errors in ML training data and model evaluation solutions delivered from 26 countries.

The Peroptyx platform integrates personalized authentication, onboarding, use-case education, performance analytics and compensation experiences for its global community of domain expert data analysts - who ensure Peroptyx always delivers higher quality training data and feedback to accelerate ML model performance improvement.

Peroptyx Data Annotation and Model Evaluation solutions are designed for Product and Data Science leaders who place high fidelity, location-based training data at the heart of their AI.

Peroptyx Limited

For thousands of years, maps have provided humans with the knowledge they need to make decisions. As a Maps Evaluator, you will have the opportunity to provide ground truth for your town, city or country.

At Peroptyx, we are looking for Data Analysts who will review mapping data for digital mapping applications. Your research capabilities will validate and ensure that the navigation of certain routes are accurate and safe.

As part of this role, you will verify that business names and opening hours are correct. You will check that the distance from a starting point to an end destination is listed accurately, resulting in better user experiences. 

With this job you can plan your days around this highly flexible working schedule, work weekends or late evenings, all from the comfort of your own office. The flexibility of our roles minimizes the impact on your daily routine. So, whether you are a student looking to earn as you learn, a retiree looking for a new challenge, a part-time/full time professional or a work from home parent, Peroptyx has the right role for you!

Benefits· Work up to 20 hours per week. 
· Earn a competitive rate of pay. 
· Develop your research skills. 
· Avoid the long commute. 
· Work from the comfort of your home office. 
· Enjoy the flexibility of setting your own working hours! 

Apply Online Today!

This is a freelance, independent contractor position.

Data Analyst No Experience Required

Duties and Responsibilities:

<ul>
	<li>Develop and implement advanced data analysis techniques to optimize efficiency and quality.</li>
	<li>Prepare and present detailed reports, dashboards, and visualizations of operational results for stakeholders.</li>
	<li>Interpret data using analytics and statistical methods, providing insights and recommendations.</li>
	<li>Lead the full lifecycle of analytics projects, from requirements gathering to design and execution.</li>
	<li>Evaluate key performance indicators and provide ongoing reports to support decision-making.</li>
	<li>Collaborate with cross-functional teams to ensure data integrity and alignment with business goals.</li>
	<li>Stay updated on industry trends and emerging technologies in data analysis and analytics tools.</li>
	<li>Conducted data quality assessments and implemented improvements as needed.</li>
	<li>Support the development and implementation of data governance policies and procedures.</li>
	<li>Mentor junior analysts and provide training on data analysis techniques and tools.</li>
	<li>Other job-related activities may be assigned from time to time.</li>
</ul>

Data Analyst | SQL & Python

Qualifications:

Bachelor’s degree in Information Technology, Computer Science, Statistics, or a related field

4–6 years of progressive experience in Data Analysis, Business Intelligence, or related roles

Advanced proficiency in ETL tools and managing large-scale data pipelines

Strong expertise in Python for data analysis, automation, and integration with analytics platforms

In-depth knowledge of DAX for complex data modeling and calculations

Proven experience with BI and visualization tools such as Power BI and Tableau for executive dashboards and enterprise reporting

Strong background in data modeling, SQL, and relational databases

Experience working with stakeholders, translating business needs into technical solutions

Ability to mentor junior analysts and contribute to best practices in data governance and analytics

Strong problem-solving, communication, and presentation skills with a track record of delivering insights that drive business decisions

Data Analyst ] ETL and Python and Dax

HÖEGH LNG SERVICES AS is a multinational company organized and existing under the laws of Norway, was duly licensed by this Commission in accordance with the Omnibus Investments Code of 1987, as amended by RA 8756 and its implementing rules and regulations and with a favorable recommendation from the Board of Investments dated August 29, 2018, to establish its Regional Operating Headquarters in the Philippines doing business as Höegh LNG Services ROHQ to: engage in general administration and planning; business planning and coordination; sourcing/procurement of raw materials and components; corporate finance advisory services; marketing control and sales promotion; training and personnel management; logistics services; research and development services and product development; technical support and maintenance; data processing and communication; and business development.

Höegh LNG Services ROHQ

Höegh Evi is a pioneer within maritime energy infrastructure, providing fast-track floating LNG terminals enabling national and regional energy security around the world. Our purpose is to accelerate countries to energy security and transition by providing innovative and flexible marine energy infrastructure. The flexibility provided by floating terminal solutions also supports the transition to clean, carbon-free energy.

We are a truly global company, present in Norway, Germany, Lithuania, United Kingdom, the USA, Singapore, Indonesia, Egypt, Colombia, Brazil, Jamaica and the Philippines.

Owned by Larus Holding Limited, a 50/50 joint venture between Leif Höegh &amp; Co. Ltd. and Funds managed by Igneo Infrastructure Partners, we employ approximately 900 employees at sea and onshore.

The Data Analyst ensures accurate and complete entry of equipment technical details, spare part lists, and maintenance tasks into AMOS, based on data identified by Marine Engineers. Sourced from vessel drawings, manuals, and technical references, the data must maintain integrity between equipment, spares, and maintenance tasks. Encoding is typically done using Excel or SQL scripts, but the employee is encouraged to suggest improved or more efficient methods. All work must follow company and maker standards while supporting continuous improvements in data handling and validation.

<ul>
	<li>Receive and process equipment technical details, spare part lists, and maintenance tasks identified by Marine Engineers from vessel drawings, manuals, and other references.</li>
	<li>Prepare and standardize data for encoding, ensuring correct structure, formatting, and alignment with company and maker standards.</li>
	<li>Encode data into AMOS, using Microsoft Excel, SQL scripts, or other approved methods that maintain the integrity between equipment, spares, and maintenance routines.</li>
	<li>Maintain clear and organized work files for each vessel project, including raw data, processed templates, and final upload records for traceability and quality control.</li>
	<li>Perform data checks and validations to ensure consistency, accuracy, and completeness prior to system upload.</li>
	<li>Suggest and implement improvements in data preparation, encoding methodologies, or tools to enhance efficiency and accuracy.</li>
	<li>Coordinate with Marine Engineers and project stakeholders to clarify data requirements or resolve discrepancies.</li>
	<li>Adhere to project timelines and support documentation standards for audit, handover, and future reference.</li>
</ul>

Fleet Management Support Data Analyst

M2.0 Communications specializes in business, technology and lifestyle communication, with emphasis on public relations, stakeholder management and digital communication. We focus on public relations, social media marketing and media analytics, and pride ourselves as experts in earned media communication.

Starting with one employee in 2003, M2.0 now has a total of around 50 full-time staﬀers composed of a dozen manager/director level employees and more than 40 specialists. During this time, the company came to work with dozens of national and international brands including Intel, Dell, Carrier, Bank of the Philippine Islands. Currently, we work with brands including UNICEF, Philips, OPPO, Del Monte, Bayo and the Government of the Philippines.

M2.0's diﬀerentiation lies in the robust support oﬀered by its diﬀerent service units, as well as its knowledge and experience in stakeholder management, technology and business PR. The agency also oﬀers a unique media monitoring service that is currently one of the most responsive and comprehensive in the Philippines today.

M2.0 Communications Inc.

As a Junior Data Analyst, you will play a crucial role in the data preprocessing phase of our project to fine-tune the Whisper model for Taglish and other languages. Your responsibilities will include collecting, organizing, cleaning, and preparing high-quality multilingual data for model training. You will work closely with the machine learning team to ensure that the data meets the necessary standards for effective model training.

Key Responsibilities:

Data Collection and Organization:

<ul>
	<li>Gather raw audio files in various formats (e.g., MP3, WAV, FLAC) from diverse sources such as interviews, podcasts, and YouTube videos.</li>
	<li>Organize files into a structured directory hierarchy, ensuring a clear and consistent file naming convention.</li>
</ul>

Audio Preprocessing:

<ul>
	<li>Convert audio files to the required format (16kHz mono, 16-bit signed integer WAV) using tools like FFmpeg.</li>
	<li>Transcribe audio files, either manually or through a transcription service, and store text files with corresponding filenames.</li>
</ul>

Data Cleaning and Normalization:

<ul>
	<li>Clean and normalize text data to address spelling variations, punctuation issues, and formatting inconsistencies.</li>
	<li>Standardize abbreviations and contractions, and remove special characters or unnecessary symbols.</li>
</ul>

Data Segmentation and Labeling:

<ul>
	<li>Split lengthy audio recordings into smaller, manageable segments.</li>
	<li>Create and maintain a metadata file that maps audio files to their corresponding transcriptions and alignment details.</li>
</ul>

Quality Assurance and Validation:

<ul>
	<li>Conduct thorough quality checks to validate the dataset for accuracy, consistency, and completeness.</li>
	<li>Identify and resolve issues in the audio and text data, such as misalignments or incorrect transcriptions.</li>
</ul>

Data Analysis and Reporting:

<ul>
	<li>Use data analysis techniques to evaluate dataset health and completeness.</li>
	<li>Provide regular reports on data collection progress, challenges, and recommendations for improvements.</li>
</ul>

Collaboration and Communication:

<ul>
	<li>Work closely with the machine learning team to address any data-related issues.</li>
	<li>Provide regular updates on data collection and preprocessing progress.</li>
</ul>

Junior Data Analyst

<ul>
	<li>Develop and implement advanced data analysis techniques to optimize efficiency and quality.</li>
	<li>Prepare and present detailed reports, dashboards, and visualizations of operational results for stakeholders.</li>
	<li>Interpret data using analytics and statistical methods, providing insights and recommendations.</li>
	<li>Lead the full lifecycle of analytics projects, from requirements gathering to design and execution.</li>
	<li>Evaluate key performance indicators and provide ongoing reports to support decision-making.</li>
	<li>Collaborate with cross-functional teams to ensure data integrity and alignment with business goals.</li>
	<li>Stay updated on industry trends and emerging technologies in data analysis and analytics tools.</li>
	<li>Conducted data quality assessments and implemented improvements as needed.</li>
	<li>Support the development and implementation of data governance policies and procedures.</li>
	<li>Mentor junior analysts and provide training on data analysis techniques and tools.</li>
	<li>Other job-related activities may be assigned from time to time.</li>
</ul>

*Data Analyst* {With PowerBI, Tableau, Sql & Python}

2X is the global leader in B2B marketing as a service (MaaS), a subscription-based alternative to traditional B2B marketing delivery models. Offering AI-enabled B2B marketing talent and strategic consulting, 2X allows marketing leaders to accelerate growth in today’s resource-constrained environment and to deliver measurable results without increasing budgets. 

Founded in 2017 by three former CMOs from major global corporations, our mission at 2X is to improve marketing performance with powerful, data-driven campaigns that help businesses create more visibility, generate leads, and increase competitive advantage—twice as fast, and with double the impact. 

2X is composed of world-class marketing strategists, developers, analysts, designers and writers who work together to build, run, and optimize marketing. Our company is growing fast, and we’re looking for the best talent to join our pioneering MaaS team. 

2x (Formerly StraightArrow Corporation)

The Data Analyst is responsible for gathering and analyzing data from a variety of sources to identify trends in market performance, customer behavior, and the effectiveness of marketing campaigns. This involves using statistical tools and methods to process and interpret large dataset and using BI platforms to create visualizations comprehensible to a broad audience. They collaborate closely with the marketing team and other functions to convert raw data into valuable insights that drive key business decisions.

Key Accountabilities and Responsibilities:

<ul>
	<li>Database Management: Ensure the overall health of the database, including improving and maintaining data accuracy and relevance, managing data imports and ensuring the uniqueness of records within the CRM, and implementing logical and strategic segmentation.</li>
	<li>ABM Research: Create account dossiers through the gathering of insights and data about target accounts to inform and personalize marketing/sales strategies and tactics.</li>
	<li>Reporting and Visualization: Create reports and dashboards to visualize data insights and present findings to stakeholders, helping them make informed decisions.</li>
	<li>Data Analysis: Analyze large datasets to identify trends, patterns, and insights that can inform marketing strategies.</li>
	<li>Stakeholder Management: Understand, engage, and influence stakeholders to ensure their needs are addressed, building a good rapport with stakeholders.</li>
	<li>Cross-Functional Collaboration: Work with MarOps, Campaigns, Design, and Content to analyze gaps and opportunities.</li>
	<li>Campaign Optimization: Collaborating with marketing teams to optimize campaigns based on data-driven insights, such as adjusting targeting strategies, refining messaging, or reallocating budget.</li>
	<li>People Management: Serve as a senior buddy to data associates, offering guidance and support to foster their learning and development.</li>
</ul>

Primary Responsibilities:

<ul>
	<li>Strategic Assessment: Conduct data assessments to gauge client’s data and marketing maturity, define data goals and objectives, and clarify project scopes with client stakeholders.</li>
	<li>Client Engagement: Establish and align procedures and timelines for data operations and KPIs with clients. Build and stabilize data processes and workflows.</li>
	<li>Cross Functional Collaboration: Engage with MarOps to understand data sources and create workflows to create a seamless environment between all MarTech platforms.</li>
	<li>Priority Coordination: Coordinate priorities with client stakeholders, identifying dependencies or risks proactively.</li>
	<li>Strategy Development: Providing strategic recommendations based on data analysis to improve ROI, customer acquisition, retention, and overall marketing effectiveness.</li>
	<li>Data Analysis: Conducting in depth analysis of marketing campaigns, customer behavior, and market trends using statistical techniques and tools.</li>
	<li>Reporting and Visualization: Creating comprehensive reports and visualizations that effectively communicate insights to stakeholders, including marketing teams, executives, and clients.</li>
	<li>Campaign Optimization: Collaborating with marketing teams to optimize campaigns based on data driven insights, such as adjusting targeting strategies, refining messaging, or reallocating budget.</li>
	<li>People Management: Serve as a senior buddy to data analysts and associates, offering guidance and support to foster their professional development.</li>
</ul>

Senior Data Analyst

Roles and Responsibilities

1. SQL Proficiency for Analytics

○ Writes optimized queries to support BI workloads.

○ Uses window functions, CTEs, and subqueries for analytical transformations.

○ Tunes queries with a focus on speed for dashboards and reporting.

○ Adapts across SQL dialects (PostgreSQL, BigQuery, Snowflake, etc.).

2. Data Modeling G Warehousing

○ Designs star/snowflake schemas for BI use cases.

○ Balances Kimball (analytics-oriented) and Inmon (integration) approaches.

○ Optimizes partitioning and clustering for query efifiiciency (rather than compute efficiency).

3. BI Readiness G Reporting Support

○ Builds curated datasets for BI tools (Looker, Tableau, Power BI).

○ Collaborates with analysts to ensure usability of datasets.

4. Data Quality G Validation

○ Implements automated testing in dbt or similar.

○ Familiarity with observability tools.

○ Ensures trustworthiness of analytics-layer tables.

5. Pipeline Development (Analytics-Focused)

○ Orchestrates workflows with dbt, Airflow, or Fivetran.

○ Manages ELT with emphasis on transfiormation in the warehouse.

6. Governance G Privacy (User-Facing Data)

○ Implements data masking and role-based access control for analysts.

○ Ensures compliance at the analytics layer.

Data Analytics Engineer

Duties and Responsibilities:

<ul>
	<li>Design, build, and maintain scalable, secure data pipelines and storage systems; ensure data quality through ETL processes and regular checks.</li>
	<li>Implement policies and practices to control, optimize, and secure data assets, ensuring data integrity and accessibility.</li>
	<li>Develop and maintain data models, structures, and databases to meet business needs; communicate data architecture effectively.</li>
	<li>Develop, test, and maintain scripts and programs to automate data processing and pipelines, adhering to industry standards.</li>
	<li>Create and operationalize data visualization solutions to simplify complex data for stakeholders and decision-making.</li>
	<li>Work with cross-functional teams to gather data requirements, optimize existing processes, and deliver ad hoc reports and insights</li>
</ul>

Work Set-up:

Hybrid (3x a week RTO)

Data Engineer

Media Meter is a technology company that tracks mentions across thousands of media channels including newspapers, magazines, radio, TV, blogs, and social media. For us, it’s all about helping organizations understand what is happening in their world so that they can build more effective communications strategies. We do this by revealing conversations about issues and brands in the media, and extracting insights from these conversations so that organizations can build strategies around them.

Media Meter

Is the role right for you?

As a Data Engineer, you will be part of the data collection team that creates and maintains a scraping system. As a developer, your duties may include designing and developing the system, selecting appropriate scraping tools, writing efficient scraping scripts, monitoring and maintaining the system, ensuring data quality and integrity.

What are your responsibilities?

<ul>
	<li>Document website analysis processes and metrics in order to help programmers iterate data scraping algorithms</li>
	<li>Designing and developing efficient and scalable algorithm to scrape data from various websites</li>
	<li>Develop and maintain scripts for automation of tasks related to data processing and analysis</li>
	<li>Extracting, transforming, and loading (ETL) data from different sources to enable data analysis and reporting.</li>
	<li>Build and maintain data processing infrastructure</li>
	<li>Continuously improve data quality and automation processes</li>
	<li>Produce and exhibit reports that give a comprehensive overview of the status of your tasks and how much progress has been made on them</li>
</ul>

What kinds of opportunities are on offer?

We believe that the power to learn new things is the one of the most important skills anyone can ever have. Given enough persistence and grit, as a part of our data collection team, you will

<ul>
	<li>You will become extremely knowledgeable in scraping system and become good at automating processes</li>
	<li>Become proficient in programming languages such as Python</li>
	<li>Gain an understanding of how to design big data delivery platforms and scalable scraping system</li>
</ul>

The ATR Asset Management Group (ATRAM or ATRAM Group) operates through ATR Asset Management, Inc. (ATRAM MF) and the ATRAM Trust Corporation (Formerly Maybank ATR Kim Eng Capital Partners, Inc. - Trust).
 
In 2009, the ATRAM Group decided to expand its presence in the fast-growing domestic asset management industry by forming a dedicated business group called ATR Asset Management Group (ATRAM or ATRAM Group).  This group, comprised of ATRAM MF  and ATRAM - Trust, manages portfolios consisting of mutual funds, trust assets, insurance portfolios, and real estate for proprietary and third party clients.

Why join us?

We are the leading Digitally-powered Asset and Wealth Management ﬁrm serving institutional clients and retail customers,  providing innovative products and unique customer experiences delivered through technology-enabled platforms. Our goal is to secure our clients’ ﬁnancial future
 
ATRAM offers a professional, fair and progressive work environment. In addition, ATRAM strongly supports career development and work-life balance for its employees.

ATR Asset Management (ATRAM)

<ol>
	<li>Data Validation - Compare migration file entries with client folders and EDMS documents.</li>
	<li>Quality Assurance - Review and confirm accuracy of data encoding through maker-checker setup.</li>
	<li>Reporting &amp; Escalation - Maintain records of discrepancies and escalate issues for resolution.</li>
</ol>

Kalibrr Job Search

Data Analyst

Data Analyst

Data Analyst | Consumer Insights

Data Analyst No Experience Required

Data Analyst | SQL & Python

Data Analyst ] ETL and Python and Dax

Fleet Management Support Data Analyst

Junior Data Analyst

Data Analyst {With PowerBI, Tableau, Sql & Python}

Data Analyst

Senior Data Analyst

Data Analytics Engineer

Data Engineer

Data Engineer

Data Encoder