Open Architects (OA) seeks a Lead Data Engineer to strategically enhance our ETL processes and data connectors, enabling reliable, sustainable, and scalable integration with diverse data systems. Reporting directly to OA’s Director of Technology, you will guide the development of our data engineering strategy, drive key architectural decisions, and build pipelines to extract customer data. Our ideal candidate is an experienced Python developer with a complementary DevOps skillset that allows them to make informed decisions.
OA supports school districts, municipalities, and education non-profits with custom-built visualizations and data tools that empower leaders to make informed decisions. In our ninth year, OA provides a collaborative and inclusive environment driven by a deep commitment to our clients and the students they serve, and we eagerly get into the trenches to help solve our clients’ problems. We are also a learning organization that embraces the messiness of the work and has fun along the way. We take our work seriously but not ourselves.
Role & Responsibilities
Lead and implement strategic improvements to OA’s ETL infrastructure and processes.
Build and maintain robust data connectors to dozens of systems, ensuring reliability, scalability, and sustainability.
Monitor data pipeline performance, proactively troubleshooting and resolving issues to maintain data integrity and system uptime.
Collaborate with district IT departments to address and resolve technical issues beyond client service capabilities.
Develop internal documentation, guidelines, and best practices to support growth and onboarding.
Influence platform and technology decisions to improve pipeline resilience and transparency.
Qualifications
Required Technical Skills and Experience
4+ years of experience as a data engineer with Python as the primary programming language
Strong DevOps skills in a Linux environment, including CI/CD, Git, and containerization tools such as Docker
Experience with data pipeline orchestration and management technologies (e.g., Docker, Airflow, Kubernetes)
Proven ability to establish and document technical standards and operational best practices.
Bachelor’s degree required
Required Personal Skills and Experience
Highly self-motivated and able to structure independent work effectively in a fully remote environment.
Exceptional communication skills, capable of translating complex technical concepts clearly for internal stakeholders and clients.
Enthusiastic collaborator, comfortable working within a flexible and flat organizational structure.
Commitment to maintaining strict confidentiality and ethical standards when handling sensitive client data.
Experience effectively engaging with diverse stakeholders, especially education and municipal leaders.
Preferred Skills and Experience
Familiarity with educational technology (EdTech) or experience working with student data systems.
Availability during standard U.S. Eastern Time business hours.
Please mention the word STRONG when applying to show you read the job post completely (#RMjE2LjczLjIxNi4yNDM=). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.
Salary and compensation
$120,000 — $140,000/year
Benefits
💰 401(k)
🤓 Vision insurance
🦷 Dental insurance
🚑 Medical insurance
🏖 Unlimited vacation
🏖 Paid time off
💰 401k matching
🏔 Company retreats
🎅 We hire old (and young)
How do you apply?
Hiring Process
Application review and initial screening.
First-round interview with company leadership.
Live technical assessment.
Final interview.
Offer extended.
To Apply Interested candidates should submit a cover letter and resume to [email protected]. Work samples are encouraged but not required at this stage.
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This job post is closed and the position is probably filled. Please do not apply. Work for Lemon.io and want to re-open this job? Use the edit link in the email when you posted the job!
We also have an ASAP project for a Senior Backend Developer for an AI GRC company (Python and Node.js) (only European timezone) with a rate up to $40/hour.
Are you a talented senior engineer looking for a remote job that lets you show your skills and get better compensation and career growth? Look no further than Lemon.io - the marketplace that connects you with hand-picked startups in the US and Europe.
What do we offer:
- We respect your time: here is no micromanagement or screen trackers. - You can earn with us $5k - $8.5k monthly - the rate depends on your skills and experience. We've already paid out over $10M to our engineers. - You will enjoy your work - it’s possible to communicate async and choose a schedule that works best for you. - You will communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah? - We will support you from the time when the application will be started during all our cooperation. - No more hunting for clients or negotiating rates - let us handle the business side of things so you can focus on what you do best. - We'll manually find you the best project according to your skills and preferences. - You will work at the fast-paced startup environment that will keep you motivated and engaged. - We will connect you with the best developers in the world through our community.
We also collaborate with other companies through staff augmentation. More details are [here](https://lemon.io/partnership-with-lemonio/).
Who we are looking for:
- Senior/Senior+ Data Scientist & Data Engineer.
Also we are seeking for:
- Senior/Senior+ ML & Data Scientist - Senior/Senior+ AI & Data Scientist - Senior/Senior+ AI & ML
Requirements:
- Proven experience in either Data Science or Data Engineering, with a minimum of 3 years of hands-on experience. - At least 2 years of commercial experince with AI/ML. - Hands-on experience with Python. - Experience with AWS/GCP/Azure, SQL, and Airflow is a must - Familiarity with NoSQL databases. - Hands-on experience with the following technologies Spark, Hadoop, PowerBI, and Lookeri BigQuery would be a huge plus. - Ability to work with large datasets and write efficient code capable of processing and analyzing data at scale. - Strong analytical and problem-solving skills, with the ability to extract insights and patterns from complex data. - Good command of English, both written and spoken, as you’ll be communicating with clients directly - Strong organizational skills — ability to work full-time remotely with no supervision - Responsibility — we want to trust you - Soft skills — we value clear and effective communication, at the same time, don't force you becoming a public speaker
ALSO, we have a large number of different projects for Senior Full-Stack Developers, so if you have 4+ years of commercial experience in software development you are fluent with Python, Ruby on Rails, React.js or React Native - we would be happy to communicate and provide you a project which matches with your experience. Just apply, and we will share with you more details.
Ready to take your career to the next level? Apply now and join the Lemon.io community!
If your experience matches with our requirements be ready for the next steps:
- VideoAsk (about 10 minutes) - Completing your me.lemon profile - 30 minutes Screening call with our Recruiters - Technical Interview with our Developers - Feedback - Magic Box (we are looking for best project for you)
P.S. We work with developers from 59 countries in different regions: Europe, LATAM, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), Canada and the UK. However, we have some exceptions.
At the moment, we don’t have a legal basis to accept applicants from certain European countries: Albania, Belarus, Bosnia and Herzegovina, Croatia, Iceland, Liechtenstein, Kosovo, Montenegro, North Macedonia, Russia, Serbia, and Slovenia. Additionally, there are a few countries in Latin America from which we cannot accept applicants: Cuba and Nicaragua, as well as most Asian countries. Furthermore, we are unable to accept applicants from Africa.
Please note that due to the overwhelming number of applications, only suitable candidates will be contacted for an interview.
We strongly ask you to send your CVs in ENGLISH. Application in English will be considered first. Good luck to everyone!
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Salary and compensation
$60,000 — $90,000/year
How do you apply?
This job post has been closed by the poster, which means they probably have enough applicants now. Please do not apply.
This job post is closed and the position is probably filled. Please do not apply. Work for Tessera and want to re-open this job? Use the edit link in the email when you posted the job!
Total Compensation Value:
$80k - $180k (Salary + equity)
NOTE: Actual total compensation offer will vary based on applicant location / cost of living, skillsets, and level of relevant experience
Time zones:
Eastern (UTC -05:00) and Central European UTC (+1:00)
About the company:
Tessera provides ownership of the world’s most sought after NFTs! Working at Tessera, you will be building on the cutting edge of art, finance, and blockchain technology to help shape the future of digital collecting experiences.
You will get to work, learn and grow with an experienced team supported by incredible partnerships and committed investments from developers, collectors, investors, and thought leaders deeply passionate about the decentralization ecosystem.
We are looking for an exceptional data engineer to join our team. They will work closely with our CTO and web stack team to build our databases with an anticipation of future data needs, identify where to find that data, and build scalable backend infrastructure. The role will be expected to discover and aggregate data from different sources and blockchains using their skillsets which should include designing database architecture, data structures, pipelines, ETL processes, API/SDK development, and some backend software development as we build our foundation for rapid growth, future data science initiatives, and continued innovation in this exciting space! Experience with blockchain, NFTs, and DeFi is preferred.
Integrations: Various APIs, browser-based crypto wallets (e.g., MetaMask) etc.
What to expect
Make a HUGE impact helping to bring ideas to reality
Learn highly valuable, and complex concepts related to art, finance, and technology in a full-time job in an industry growing exponentially, on a team with some of the leading NFT influencers
Become a core member of a very passionate team in a friendly environment
Work within a dynamic team, who challenges the status quo and champions agile working plus continuous improvement
In this role you will be expected to...
Work with our development team to continually release technical enhancements
Be responsible for identifying and anticipating our data needs and optimizing our backend software infrastructure, setting data priorities, and building a scalable foundation for our fast evolving site tessera.co
Own the data lifecycle (from ingest and automated quality checks, to discovery and usage, and database setup)
Build custom integrations between cloud-based or blockchain-based systems using APIs and other data sources
Design efficient data structures, database schemas and ETL for long-term sustainability
Ship high-quality, well-tested, secure, and maintainable code
Write server scripts and APIs
Routinely inspect server code for speed optimization and practical trade-offs
Build a scalable NFT metadata backend infrastructure for tessera.co
Incorporate data processing and workflow management tools into pipeline design (AWS etc.)
Design, develop, and optimize data pipelines and backend services for real-time decisioning, reporting, data collection, and related features / functions
Drive strategic technology decisions related to the appropriate data stores for the job (e.g., warehouses etc.)
(Long-term) Architect, build, and launch new data models that provide intuitive analytics to the team
Wrangle large-scale data sets from the blockchain and other site APIs (e.g., OpenSea)
Build data expertise and own data quality for the pipelines you create
Strong technical and non-technical communication abilities, both verbal and written
Our fast-paced, agile development environment will require a penchant for task management and respect for efficient, best practice development principles as well!
What we’re looking for
6+ months of tinkering and/or participating somewhere in Web3 (DeFi, NFTs, DAOs, etc.)
Experience with querying and interacting with EVM & non-EVM Based blockchains
Understanding of low-level idiosyncrasies of popular blockchains including Ethereum, Solana
3 or more years of relevant software experience in a data or backend-focused role
Strong experience with two or more of the following languages: Python, SQL, Javascript, Scala
Experience designing data structures, database schemas and ETL pipelines from scratch
Experience with workflow systems such as Apache Airflow2 or more years of professional work experience on ETL pipeline implementation using services such as Pyspark, Glue, Dataflow, Lambda, Athena, S3, GCS, SNS, PubSub, Kinesis, etc.
Experience with scalable cloud-based solutions
A pro-active and autonomous team player, self-starter with the ability to anticipate future needs
Capable of prioritizing multiple project in order to meet goals without management oversight
Experience in communicating with users, other technical teams, and product management to understand requirements, describe data priorities and challenges, and technical design needs
Excellent writing skills and the ability to drive via influence
Proficiency in the English language, both written and verbal, sufficient for success in a remote and largely asynchronous work environment
Strong attention to detail
Bonus points for
BS/MS in Computer Science, Computer Engineering, or a related technical field
Previous experience in a rapidly scaling start-up environment
Professional work experience using real-time streaming systems (Kafka/Kafka Connect, Spark, Flink or AWS Kinesis)
Previous experience building Analytics/BI systems from scratch
Previous experience building large-scale data architectures
Previous experience in BI or Data Science
What we're offering
Competitive salary (and equity) in an exciting space driving disruptive innovation
The opportunity to play a key voice in our growing organization
A remote work environment with competitive benefits and holidays
7 additional company holidays, including all-company week-long winter break
Medical, Dental, and Vision Insurance for US-based employees
Agile working environment with flexible working hours and location, career advancement, and competitive compensation package
Optional offsite social events to help our employees become familiar with each other and our culture
Applicants for employment in the US must have work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States
If you’re convinced you are the right fit and you can’t wait to join our team, we look forward to hearing from you!
Once you've applied, please be patient :) it may take us up to 2-3 weeks to get back to you!
Don’t meet every single requirement?
Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Tessera we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways.
You may be just the right candidate for this or other roles.
Please mention the word EXHILARATE when applying to show you read the job post completely (#RMjE2LjczLjIxNi4yNDM=). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.
Salary and compensation
$80,000 — $180,000/year
Benefits
🌎 Distributed team
⏰ Async
🤓 Vision insurance
🦷 Dental insurance
🚑 Medical insurance
🏖 Unlimited vacation
🏔 Company retreats
💰 Equity compensation
How do you apply?
This job post has been closed by the poster, which means they probably have enough applicants now. Please do not apply.
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