2mo
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Principal, Data Engineer
Woburn, Massachusetts, United States
HybridFull Time
8+ YOE8+ years data engineering; CS/Math degree; expert SQL/Python; cloud platforms; Spark; Kafka; Airflow; governance; leadership.
SQL, Python, Apache Spark, PySpark, AWS, Azure, Google Cloud, Databricks, Snowflake, Kafka, Kinesis, Airflow, dbt, CI/CD, Infrastructure as Code, Data Quality, Data Governance
2w
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Principal Data Engineer
Boston, Massachusetts, United States
$175k-$200k/yr HybridFull Time
8+ YOEDegree in CS or related,8+ years data engineering,5+ years Databricks,expert PySpark/Python,Terraform,AWS,Kafka,CI/CD,HIPAA experience and disaster recovery expertise.
Databricks, PySpark, Unity Catalog, Delta Lake, Structured Streaming, Terraform, Apache Kafka, AWS MSK, Jenkins, GitHub Actions, Python, SQL, CloudZero, AWS Cost Explorer, Tableau, S3, IAM, Secrets Manager, VPC/Private Link, HL7, FHIR, EHR, Claude, Gemini, Codex
2d
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Principal Data Engineer
Boston or New York City or Paris or United States
$190k-$210k/yr RemoteFull Time
10+ YOE10+ years backend/data engineering experience, strong SQL/PostgreSQL, data streaming (Kafka/RabbitMQ/Pulsar/Kinesis), container and IaC experience (Kubernetes, Terraform, Helm), strong communication and system design skills.
SQL, PostgreSQL, Kafka, RabbitMQ, Pulsar, Amazon Kinesis, TypeScript, Julia, Kubernetes, Terraform, Helm
6d
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Principal Data Engineer
Boston, Massachusetts, United States
HybridFull Time
10+ YOE10+ years in data engineering or ML-related roles; strong Python or Java skills; experience with Airflow, DBT, advanced SQL and Snowflake; degree in Computer Science or related; proven architecture and leadership experience.
Python, Java, Airflow, DBT, SQL, Snowflake
2mo
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Senior Principal Data Analytics Engineer
Nashua, New Hampshire, United States
$133k-$226k/yr HybridFull Time
6+ YOEBachelor's in a technical discipline or equivalent, 6+ years data/analytics engineering, expert SQL, dbt, Postgres/Snowflake/MySQL, GitOps (GitLab CI/Jenkins), orchestration (Airflow/Prefect/Dagster), data quality frameworks, Python, ability to obtain Secret clearance, U.S. person required.
Medallion Architecture, dbt, Postgres, GitOps, GitLab CI, Jenkins, Airflow, Prefect, Dagster, dbt-tests, Great Expectations, Snowflake, MySQL, Docker, Kubernetes, Terraform, Pulumi, Python, SQL
1mo
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Principal Data Engineer - MarTech
United States or Ontario or Waltham
$143k-$179k/yr HybridFull Time
7+ YOE7+ years data engineering with a strong MarTech focus; CDP/TMS architecture, API/webhook integrations, data lineage and privacy (GDPR/CCPA), and proficiency in JavaScript/Node.js, Python, and SQL.
CDP, Tag Management System (TMS), REST, RESTful APIs, webhooks, SDKs, JavaScript, Node.js, Python, SQL
5d
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Principal Data Engineer
Boston, Massachusetts, United States
$152k-$229k/yr OnsiteFull Time
5+ YOE5+ years Python,3+ years with message buses/MongoDB/graph DB/cloud/ElasticSearch,REST API and ETL/ELT experience,leadership and stakeholder communication,BS/MS in CS/math/engineering or equivalent.
Python, Kafka, RabbitMQ, MongoDB, AWS Neptune, Neo4j, ElasticSearch, Argo CD, Kubernetes, Prefect, Flask, Django, FastAPI
2mo
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Principal Data Engineer
Waltham, Massachusetts, United States
$160k-$165k/yr HybridFull Time
8+ YOEProven expertise in Java, Spring Boot, REST APIs, microservices; strong Kafka/Flink on AWS; cloud-native AWS infra; Kubernetes and CI/CD experience.
Java, Spring Boot, REST API, Microservices, Apache Kafka, Kafka Connect, Kafka Streams, Apache Flink, AWS, Kubernetes, Docker, Terraform, CloudFormation, ECS, EKS, S3, MSK, Redshift, Aurora, RDS, Lambda, Glue, CloudWatch, Oracle, PostgreSQL, Redshift, Aurora, Jenkins, GitHub Actions, GitLab CI/CD, Maven, Gradle, SonarQube, Prometheus, Grafana, ELK Stack
1mo
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Principal Engineer, Data Infrastructure
Boston, Massachusetts, United States
$244k-$366k/yr OnsiteFull Time
10+ YOE10+ years building and operating distributed data systems; expertise in ingestion/CDC, stream processing, batch orchestration, lakehouse patterns, governance, SLOs, and applying AI/ML to data platforms.
Kafka, PubSub, Flink, Spark, Beam, Airflow, Dagster, Iceberg, Delta, Hudi, Snowflake, BigQuery, object storage
2mo
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Principal Software Engineer, Data
Cambridge or San Francisco
$204k-$348k/yr HybridFull Time
8+ YOE8-15 years of backend-focused engineering; full stack experience; AWS, Kubernetes; API design; data pipelines; Python; collaboration with scientists and engineers.
React, TypeScript, Nx, Tailwind, FastAPI, SQL/NoSQL, Python, Pydantic, SQLAlchemy, SQLModel, Django, Airflow, Prefect, Temporal, Dagster, pandas, numpy, scipy, jax, pytorch, AWS, Kubernetes, Terraform, CloudFormation, GitHub Actions
1mo
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Principal, Data Analyst/BI Engineer
Boston or Chicago or Denver or United States
$109k-$145k/yr RemoteFull Time
5+ YOE5–7 years in data engineering/analytics/marketing technology; hands-on Snowflake, BigQuery, Looker/LookML, Python, SQL, AWS/GCP; strong technical leadership, measurement, and privacy expertise.
Snowflake, BigQuery, Looker, LookML, Python, SQL, AWS, Google Cloud Platform (GCP), Matillion, dbt, Fivetran, Airflow, Google Ads, Meta, SA360, DV360, CM360, GTM, server-side GTM, Tealium, CDPs, Consent Mode v2, Conversions API (CAPI), Enhanced Conversions, Offline Conversion Import, MMPs, SDKs, SKAdNetwork, LiveRamp, AppsFlyer, Adjust, Branch
1mo
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Principal, Data Engineer
Durham or Merrimack or Westlake
OnsiteFull Time
12+ YOE12+ years Oracle database experience, 5+ years cloud experience, deep expertise in database administration, performance tuning, replication, and solution design across Oracle, PostgreSQL, Snowflake, CockroachDB, SingleStore and other platforms.
Oracle, Exadata, PostgreSQL, CockroachDB, SingleStore, NoSQL, Snowflake, Db2, Oracle Golden Gate, HVR, EDB Replication, AWS, Azure, Oracle OCI, Oracle Enterprise Manager, Linux, PL/SQL, Microsoft SQL Server, Oracle RAC, DynamoDB, Aerospike
3d
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Principal Engineer
Waltham, Massachusetts, United States
$173k-$193k/yr HybridFull Time
PhD (>8 yrs) or MS (>15 yrs) in Science/Engineering; expert in small-molecule process development, scale-up, tech transfer, DOE, data analysis, CDMO management; strong leadership and communication.
Process Analytical Technology (PAT)
1mo
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Principal Data Link & Communications Engineer (Link 22)
Bedford, Massachusetts, United States
$160k-$185k/yr OnsiteFull Time
5+ YOEUS citizen with active Top-Secret clearance, 5+ years software design experience, proficiency in C++ and Java, MBSE (DODAF, SysML, UML, Cameo), networking/embedded systems, and experience with data link engineering (Link 22/Link 16).
C++, Java, DODAF, SysML, UML, Cameo, Joint Mission Planning System (JMPS)
3w
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Principal Data Links and Communications Engineer
Bedford, Massachusetts, United States
$145k-$155k/yr OnsiteFull Time
5+ YOEU.S. citizen with Top Secret/SCI clearance; experience with Link 22 and tactical data links; software design and requirements experience; proficiency in C++ and Java; MBSE (DODAF, SysML, UML, Cameo) experience preferred.
C++, Java, DODAF, SysML, UML, Cameo, Joint Mission Planning System (JMPS)
2mo
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Principal Quantitative Engineer, Investments Technology
Boston, Massachusetts, United States
HybridFull Time
8+ YOE5+ years Python, quantitative finance experience; full-stack development; data pipelines; production-grade software; strong SQL; AI/ML tooling; investment management domain knowledge.
Python, pandas, NumPy, Plotly, Dash, Git, Github Copilot, Claude, cvxpy, SciPy, Scikit-Learn, statsmodels
2mo
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Principal Mixed-Signal Design Engineer
Wilmington, Massachusetts, United States
$157k-$227k/yr HybridFull Time
14+ YOEMS in Electrical Engineering; 14+ years CMOS design; high-speed data converters; Cadence and SPICE; MATLAB; strong communication; team collaboration.
Cadence, SPICE, MATLAB
4d
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Principal Scientist, Data Science
Titusville or Cambridge or Raritan or Spring House
$117k-$201k/yr HybridFull Time
5+ YOEPhD in a quantitative discipline,5+ years applying ML/NLP/GenAI and optimization to real-world data (EHR/claims/registries),experience with multimodal RWD,stochastic simulation,optimization engines,Python and SQL proficiency,MLOps and data privacy familiarity.
MLflow, Kedro, Git, CI/CD, Python, SQL, DSPy, LangChain, pymoo, scikit learn, XGBoost, Optuna, PyMC
3w
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Principal Digital Engineering Data Solutions Systems Engineer
Huntsville or Cambridge
$95k-$245k/yr OnsiteFull Time
7+ YOEMaster's degree in engineering/computer science/mathematics required (PhD preferred); 7+ years systems engineering experience; experience with C/C++, MATLAB/Simulink; ability to obtain government security clearance.
C/C++, MATLAB/Simulink, Python
1w
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Principal Engineer, Resilience
Berlin or London or Valencia or Boston or Durham or Munich
HybridFull Time
5+ YOE5+ years shipping production software, 2+ years building with LLMs, full‑stack ownership (frontend, backend, data, ML), prompt/context engineering, agents, retrieval/embeddings, and SQL proficiency.
A2UI, AG-UI, MCP, MCP-UI, Python, TypeScript, Node, React, SQL
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