Senior Software Engineer, Foundations

EngRadar
New York, New York, United StatesFull-time$200,000–$250,000Posted Aug 29, 2026

About the role

EngRadar / Peregrine

Senior Software Engineer, Foundations

Peregrine

Peregrine helps public safety organizations, state and local governments, federal agencies, and private-sector institutions turn siloed data into operational intelligence.

New York, NY Posted today govtechpublic safety

Apply directly →

Backed by leading Silicon Valley investors, Peregrine helps public safety organizations, state and local and governments, federal agencies, and private-sector institutions address society’s challenges with unprecedented speed and accuracy. Our AI-enabled platform turns siloed and disconnected data into operational intelligence — instantly surfacing mission-critical information to empower better, faster decisions that improve outcomes at every touchpoint. Today Peregrine supports hundreds of customers across 30+ states and two countries, serving more than 125 million people — and we’re amplifying our impact as we expand into the enterprise and internationally.

Our Team

As an engineering team, we believe strongly that empathy improves our solutions. Seeing how people use the product is a priority and the way we get to the right answer. Engineers will have the opportunity to work closely with our team onsite to understand the variety of use cases that Peregrine serves.

The Foundations team consists of detail-oriented engineers driving innovation and enhancing performance through technical excellence and a focus on results. We own the performance and reliability of key pieces of Peregrine's infrastructure and take on hard technical problems that create new capabilities for the platform.

We value both ownership and collaboration. You will take full responsibility for the features you own and work closely with other engineers to drive them to completion. We believe that humility and empathy are essential for building the right solutions — you will collaborate directly with our deployment team and users as we iterate to solve their problems. Perseverance and creativity are crucial to executing our vision.

Role

As a member of our Foundations team, you'll independently own well-scoped, meaningful projects that improve the reliability and performance of Peregrine's data platform; the systems that ingest, process, and enrich large volumes of customer data from a wide variety of sources, at high scale and low latency. You'll work within our datastores, orchestrated data pipelines, and the connection, authorization, and notification layers that keep the entire system efficient and secure — extending existing architectural patterns and proposing new ones where they're needed.

You'll Take On Real Technical Challenges That Meaningfully Improve The Quality, Stability, Or Velocity Of The Team. Representative Recent Work At This Level Includes

Contributing to a rewrite of a core datastore's underlying storage format and helping roll it out safely across environments

Upgrading a major framework version within a heavily used service without introducing regressions

Improving database connection-pooling to reduce outage risk

Building out a new piece of the platform's authorization system

Reducing a data-processing backlog's latency from hours to under a second

Helping scale and tune our search infrastructure to keep pace with rapid data growth

Participating in incident response and root-causing production issues

Our stack is constantly evolving but based on a backend foundation of Python, Django, Celery, Airflow, and Kafka; a frontend built in React, Redux, and Mapbox; data stores including PostgreSQL and Elasticsearch; and AWS, Pulumi, Terraform, and Kubernetes as our underlying infrastructure.

About You

Desire and drive to own problems from design to production

Passion for crafting and shipping software solutions that delight users

Comfortable digging into unfamiliar parts of the codebase and working through ambiguity

Collaborative. You enjoy pairing, giving and receiving code review, and learning from teammates

Eager to grow your technical scope and take on more complex problems over time

What We Look For

Degree in Computer Science or a related field, or equivalent experience

5+ years of professional software engineering experience

Experience working on distributed systems or data-intensive services (e.g. data pipelines, relational and search datastores, message queues)

Experience taking projects from design through production rollout

Experience shipping and iterating on production-grade software, professionally and/or in the open-source community

Ability to write robust, well-tested, and well-designed code that frequently gets deployed to users

Comfort navigating and contributing to large, established codebases

Comfort participating in incident response and helping resolve recurring failure patterns

Located in the San Francisco or New York area and open to working in office

Salary Range: $200,000 - $250,000 Annually + Benefits + Equity (if applicable) + Bonus (if applicable)

Actual compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, certifications or licenses, and specific work location. Information on the benefits offered is here.

Peregrine Technologies is committed to creating an inclusive environment for all employees. We celebrate diversity and are a proud equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Peregrine Technologies is committed to creating an inclusive environment for all employees. We celebrate diversity and are a proud equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Posted by Peregrine on their own careers page — you apply directly, no recruiter in between. View original / apply →

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Responsibilities

  • Independently own well-scoped projects to improve reliability and performance of data platform
  • Contribute to a rewrite of a core datastore's underlying storage format
  • Upgrade major framework versions within heavily used services
  • Improve database connection-pooling to reduce outage risk
  • Build out new pieces of the platform's authorization system
  • Reduce data-processing backlog's latency
  • Scale and tune search infrastructure
  • Participate in incident response and root-cause production issues

Qualifications

  • Degree in Computer Science or related field, or equivalent experience
  • 5+ years of professional software engineering experience
  • Experience with distributed systems or data-intensive services
  • Experience taking projects from design through production rollout
  • Ability to write robust, well-tested, and well-designed code
  • Comfort navigating and contributing to large codebases
  • Comfort participating in incident response

Benefits

  • Benefits package
  • Equity (if applicable)
  • Bonus (if applicable)

Skills mentioned

PythonDjangoDistributed SystemsApache AirflowApache KafkaPostgreSQLElasticsearchKubernetesTerraformSoftware Testing

About EngRadar

EngRadar is a direct-apply tech job board. We surface open engineering and product roles straight from companies' own Greenhouse, Lever and Ashby career pages — no recruiters, no aggregators, no ghost jobs. Browse fresh, daily-updated jobs across full-stack, AI/ML, backend, data, DevOps, product, design and security — each linking directly to the employer's application. We also publish measured, first-party hiring data: monthly hiring reports, the fastest-growing companies, and disclosed-salary benchmarks. Find the roles worth applying to at engradar.com.

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