Application developer Jobs in Cambridge, MA

Description

Summary

For over forty years, HarbourVest has been home to a committed team of professionals with an entrepreneurial spirit and a desire to deliver impactful solutions to our clients and investing partners. As our global firm grows, we continue to add individuals who seek a collaborative, open-door culture that values diversity and innovative thinking.

In our collegial environment that’s marked by low turnover and high energy, you’ll be inspired to grow and thrive. Here, you will be encouraged to build on your strengths and acquire new skills and experiences.

We are committed to fostering an environment of inclusion that promotes mutual respect among all employees. Understanding and valuing these differences optimizes the potential of both the individual and the firm.

HarbourVest is an equal opportunity employer.

This position will be a hybrid work arrangement. You will receive 18 remote workdays per quarter to use at your discretion, subject to manager approval. For example, you may choose to work in the office 4 days per week and take one remote day weekly (typically 13 weeks per quarter), leaving 5 additional remote days to be used as needed.

Seated within our Quantitative Investment Science group, this position focuses on transforming raw warehouse data into application-ready, performant datasets optimized for QIS's computational models and analysis pipelines. This engineer ensures that every downstream computation starts with clean, fast, trustworthy data - reducing manual rework and enabling the team to move quickly with confidence. This role is ideal for engineers who love making data pipelines bulletproof and performant.

The ideal candidate is someone who has :

A passion for data quality, reliability, and performance

Strong attention to detail and a systematic approach to problem-solving

Strong collaboration abilities - you'll partner closely with the Performance Tech Lead and application developers

A love for building systems that "just work"

Interest in finance and quantitative applications

What you will do :

Optimize middle-tier OLTP schemas and materialized tables for efficient application data access

Refactor heavy bottom-up models and preprocessing pipelines, narrowing inputs to essential subsets

Implement Dagster / dbt data agreements, automated tests, and drift detection for reliability

Build and maintain data validation layers that catch issues before they reach production

Collaborate with the Performance Tech Lead to guarantee smooth data transfer between storage and computation

Build monitoring and alerting for data pipeline health and latency

Document data lineage and transformation logic for team transparency

What you bring :

Strong proficiency in Python and its data stack (pandas, numpy, polars)

Expert-level SQL skills including query optimization, indexing strategies, and execution plan analysis

Experience with modern data orchestration tools (Dagster, dbt, or Airflow)

Understanding of OLTP vs OLAP patterns and when to use each

Experience implementing data contracts, schema validation, and automated testing for data pipelines

Experience with data quality frameworks and identifying drift

Understanding of materialized views, incremental processing, and caching strategies

Experience with cloud data platforms (Azure preferred)

Awareness of performance optimization at the data layer

Preferred : Experience with financial data, time series data, or quantitative analysis pipelines

Education Preferred

Bachelor of Science (B.S.) or equivalent experience

Experience

3-6 years development experience with significant focus on data engineering or data-intensive applications

#LI-Hybrid

Salary Range

$160,000.00 - $240,000.00

This USD base salary range represents only one component of total compensation for this role and is provided in accordance with local requirements. This role is eligible for a discretionary annual bonus, which is determined based on individual and overall firm performance. In addition to salary and bonus, total compensation may include eligibility for long-term reward programs and a comprehensive total rewards package that may include retirement, health, insurance, paid time off, and wellness programs. Our total rewards offerings are influenced by several business factors, and eligibility for certain components will vary by position and geography. Please note the posted ranges do not apply outside the U.S. and should not be converted to other currencies as a proxy for compensation in other countries.