Staff Software Engineer – API Platform Job at SONIFI Health (Sioux Falls)

Staff Backend Software Engineer - API Platform

Perplexity is redefining how people search, reason, and interact with informatio...

Location

United States , San Francisco, New York City, Seattle

Salary:

250000.00 - 385000.00 USD / Year

Perplexity

Expiration Date

Until further notice

Requirements

5+ years of backend engineering experience with Python, Go, or Rust
Strong understanding of high-traffic API design: versioning, schema evolution, idempotency, auth patterns, and performance tuning
Hands-on experience running AWS services, plus fluency with Kubernetes, CI/CD, and modern DevOps practices
Experience with LLM or natural-language APIs (latency tuning, streaming, model orchestration) is a strong plus
Strong customer empathy and product sense, ensuring the APIs you build are ergonomic, well-documented, and easy to adopt

Job Responsibility

Design, build, and operate mission-critical APIs in Python, Go, or Rust optimized for low latency, high throughput, and strong consistency
Lead major technical initiatives, from new platform components to multi-team system redesigns
Improve system reliability and security by implementing rate limiting, authentication, observability (metrics, tracing, logging), and automated testing
Collaborate across teams to determine when to extend existing systems versus build new, specialized services
Translate customer needs into scalable platform capabilities and generalized API features
Uphold engineering excellence through design reviews, code quality, and internal documentation

What we offer

Comprehensive health, dental, and vision insurance for you and your dependents
Includes a 401(k) plan
Offers Equity

Fulltime

Staff Software Engineer, Platform Infrastructure

We are seeking an experienced and highly motivated Staff Software Engineer to le...

Location

United States , Pittsburgh

Salary:

171000.00 - 273000.00 USD / Year

Aurora Innovation

Expiration Date

Until further notice

Requirements

Senior or Staff-level experience (P7 equivalent) as a Software Engineer, ideally in infrastructure, developer tooling, or critical shared services
Proven experience leading technical projects and mentoring/directing other engineers
Familiarity with distributed compute technologies, cloud services (e.g., AWS), and large-scale workflow management systems
Demonstrated ability to triage, debug, and perform on-call and incident management for complex, cross-cutting infrastructure issues
Strong communication skills to manage stakeholder alignment and drive cross-team standardization efforts

Job Responsibility

Lead the OTI Team: Serve as the technical lead (TL) for the OTI team within PIE-Compute, driving the strategic vision, execution, and long-term stability of the core infrastructure
Help Define and Optimize the Testing Ecosystem: Lead the design of the next-generation offline testing architecture to meet diverse team needs, reducing redundancy and siloing across the organization
Partner with Test Creation and Test Drive teams to standardize end-to-end test execution and reporting (Creation -> Execution -> Reporting)
Refine the full test lifecycle to ensure performance and scalability, and maintain clear attribution of failures to enhance reliability and efficient debugging
Own Critical OTI Components and Migrations: Take ownership of the shared OTI components, including maintenance and on-call support
Own various offline test Modalities, including step code, workflow code, and general health
Lead the maintenance and development of common OTI tooling, including launching test evaluations, polling APIs, communicating results, and providing recommended pipeline templates
Establish Architecture and Best Practices: Define and enforce data management policies for the testing ecosystem (storage, lifecycling, write strategies, data integrity, and lineage)
Define use cases and feature design for new test modalities, including single versus cross-modality testing strategies
Manage incidents related to offline tests and maintain Standard Operating Procedures (SOPs) for PRs, local workflows, V&V, and releases

What we offer

annual bonus
equity compensation
benefits

Fulltime

Staff Software Engineer, Platform Infrastructure

We are seeking an experienced and highly motivated Staff Software Engineer to le...

Location

United States , Mountain View

Salary:

189000.00 - 303000.00 USD / Year

Aurora Innovation

Expiration Date

Until further notice

Requirements

Senior or Staff-level experience (P7 equivalent) as a Software Engineer, ideally in infrastructure, developer tooling, or critical shared services
Proven experience leading technical projects and mentoring/directing other engineers
Familiarity with distributed compute technologies, cloud services (e.g., AWS), and large-scale workflow management systems
Demonstrated ability to triage, debug, and perform on-call and incident management for complex, cross-cutting infrastructure issues
Strong communication skills to manage stakeholder alignment and drive cross-team standardization efforts

Job Responsibility

Lead the OTI Team: Serve as the technical lead (TL) for the OTI team within PIE-Compute, driving the strategic vision, execution, and long-term stability of the core infrastructure
Help Define and Optimize the Testing Ecosystem: Lead the design of the next-generation offline testing architecture to meet diverse team needs, reducing redundancy and siloing across the organization
Partner with Test Creation and Test Drive teams to standardize end-to-end test execution and reporting (Creation -> Execution -> Reporting)
Refine the full test lifecycle to ensure performance and scalability, and maintain clear attribution of failures to enhance reliability and efficient debugging
Own Critical OTI Components and Migrations: Take ownership of the shared OTI components, including maintenance and on-call support
Own various offline test Modalities, including step code, workflow code, and general health
Lead the maintenance and development of common OTI tooling, including launching test evaluations, polling APIs, communicating results, and providing recommended pipeline templates
Establish Architecture and Best Practices: Define and enforce data management policies for the testing ecosystem (storage, lifecycling, write strategies, data integrity, and lineage)
Define use cases and feature design for new test modalities, including single versus cross-modality testing strategies
Manage incidents related to offline tests and maintain Standard Operating Procedures (SOPs) for PRs, local workflows, V&V, and releases

What we offer

annual bonus
equity compensation
benefits

Fulltime

Staff Software Engineer, Platform

You'll own critical platform infrastructure supporting 70M+ users and scaling to...

Location

United States , San Francisco

Salary:

230000.00 - 310000.00 USD / Year

Gamma

Expiration Date

Until further notice

Requirements

7+ years of backend engineering experience with deep expertise in distributed systems and data infrastructure
Proven track record architecting systems that scaled through multiple orders of magnitude
Expert-level proficiency in scalable APIs, databases (PostgreSQL, Redis), and event-driven architectures
Experience with real-time systems including collaborative editing, WebSockets, CRDTs, or similar conflict resolution
Strong operational excellence with monitoring, alerting, incident response, and performance debugging at scale
Proficiency in backend technologies (Node.js, Python, or similar) with deep understanding of tradeoffs
Product-minded approach with ability to make technical decisions that unlock business value and user experience
High autonomy, low ego with empathetic, reflective, self-aware, growth mindset that actively promotes psychological safety

Job Responsibility

Lead major infrastructure initiatives including database migrations, architecture refactors, and performance optimization at scale
Define engineering standards and best practices across backend teams
Mentor engineers on system design, scalability patterns, and production excellence
Make build vs buy decisions for platform components and balance technical debt paydown with feature velocity
Collaborate with leadership to shape multi-year platform roadmap
Dive deep into gnarly technical problems including race conditions, performance bottlenecks, and data consistency issues

What we offer

competitive equity

Fulltime

Staff Software Engineer – Platform

We’re looking for a Staff Software Engineer (Platform) to help strengthen and ev...

Location

United States of America

Salary:

Not provided

ATLAS

Expiration Date

Until further notice

Requirements

Strong experience building and operating production systems
Solid backend experience with Node.js and/or .NET (C#)
Experience working in a cloud environment (Azure preferred)
Familiarity with infrastructure as code and modern deployment practices
Understanding of reliability, scalability, and operational tradeoffs
Experience designing APIs, data models, and service boundaries
Clear communication skills and a collaborative approach
Ability to lead technical work through influence and sound judgment

Job Responsibility

Design, build, and evolve shared platform systems and infrastructure
Take ownership of complex or cross-team technical initiatives
Identify systemic issues and help address them at the root
Contribute to platform standards, patterns, and best practices
Work with engineering and product leaders to prioritise platform investments
Support teams during complex production issues when needed
Mentor and support other engineers through reviews, pairing, and collaboration
Stay hands-on in critical code paths, infrastructure, and operational workflows

What we offer

Country-specific benefits
Flexible PTO
Your birthday off and a day for you to volunteer and give back to the organization of your choice
Generous Parental Leave Program
Growth and development opportunities with access to a top learning content provider

Fulltime

Staff Software Engineer, Platform

Kiddom is a groundbreaking educational platform that promotes student equity and...

Location

United States , San Francisco; New York

Salary:

180000.00 - 200000.00 USD / Year

Kiddom

Expiration Date

Until further notice

Requirements

10+ years of software development experience at scale
3+ years of experience leading cross-functional projects
Fluency in Go is a must
Fluency in at least one of these languages: TypeScript, Javascript, Python
Experience managing services in AWS or other cloud platforms
Experience with Docker containers and Linux virtual machines
You put the dev in DevOps, bridging applications to infrastructure

Job Responsibility

Supports tools and core services that provide a great product experience to our end-users and a great developer experience to our engineering teams
A typical day might start out looking for trouble and end with project plans and cross-functional collaborations that run a thorny problem to ground
This role combines technical leadership with strategic impact, shaping Kiddom’s systems to grow each school year
You’ll work in languages from Go to TypeScript to Python, on technologies from web APIs to graph databases to edge computing and LLMs
You will have the opportunity to drive technical change across every team
You will help engineers around you do their best work using tools you select and build

What we offer

Competitive salary
Meaningful equity
Health insurance benefits: medical (various PPO/HMO/HSA plans), dental, vision, disability and life insurance
One Medical membership (in participating locations)
Flexible vacation time policy (subject to internal approval). Average use 4 weeks off per year
10 paid sick days per year (pro rated depending on start date)
Paid holidays
Paid bereavement leave
Paid family leave after birth/adoption. Minimum of 16 paid weeks for birthing parents, 10 weeks for caretaker parents. Meant to supplement benefits offered by State
Commuter and FSA plans

Fulltime

Staff Software Engineer - ETL Platform

Fivetran is building data pipelines to power the modern data stack for thousands...

Location

Canada , Toronto

Salary:

167548.00 - 209435.00 CAD / Year

Fivetran

Expiration Date

Until further notice

Requirements

Expertise in at least one interpreted language such as Python, Ruby on Rails, etc.
Expertise in at least one compiled language such as C++, Kotlin, Scala, Go, Java, etc.
Solid understanding of relational databases (experience with data warehousing solutions (e.g., Snowflake) is a bonus)
Proven experience in system integration, including API consumption and development (experience with infrastructure management is a bonus)
Familiarity with leading cloud providers, such as GCP, AWS, or Azure
Experience being on-call
Ownership - Experience being on-call, driving system quality higher, managing costs and constantly recognizing areas to simplify while always improving composability
Autonomous and Self-Motivated - thrives in a high-trust environment, driving projects forward and making independent decisions with confidence
Adaptable and Resilient - comfortably navigates ambiguity and views challenges as opportunities for growth
Driven and Persistent - maintains a strong focus on goals, confidently overcoming obstacles and eagerly seeking innovative solutions to exceed expectations

Job Responsibility

Make valuable contributions to the deepest recesses of our tech stack – including writing typesafe Ruby and Rails with Sorbet, building performant Kotlin microservices, managing highly available Spark clusters, working on deterministic Temporal workflows, and Terraforming all the things in AWS
Operate in hostile territory on all sides–building and managing a data diffing ETL engine that operates across every type of data warehouse and SQL dialect imaginable on data you don’t own or control, and send it to countless permutations of destinations that could respond any number of unpredictable ways
Be a reliable and steadfast operator, participating in the team on-call rotation to help diagnose, triage and fix performance bottlenecks and gnarly edge-cases our customers discover
Work closely with our product team to help design and develop new features to improve data pipeline observability and debuggability

What we offer

100% employer-paid medical insurance*
Generous paid time-off policy (PTO), plus paid sick time, inclusive parental leave policy, holidays, and volunteer days off
RSU stock grants*
Professional development and training opportunities
Company virtual happy hours, free food, and fun team-building activities
Monthly cell phone stipend
Access to an innovative mental health support platform that offers personalized care and resources in areas such as: therapy, coaching, and self-guided mindfulness exercises for all covered employees and their covered dependents

Fulltime

Staff Software Engineer, Tech Platform

Airwallex is the only unified payments and financial platform for global busines...

Location

Singapore , Singapore

Salary:

Not provided

Airwallex

Expiration Date

Until further notice

Requirements

Strong proficiency in backend programming languages such as Java, Go, Rust, Lua, or Python and their corresponding frameworks
Familiarity with cloud services (AWS, GCP, Aliyun) and infrastructure management tools (Kubernetes, Docker, Istio)
Proven hands-on experience with PostgreSQL, Redis, Elasticsearch, and logical replication, with a deep understanding of performance optimization, scalability, and data consistency in distributed systems
Strong familiarity with NGINX, OpenResty, Envoy, APISIX, Kong, and Istio, with a solid understanding of traffic routing, load balancing, and API gateway management in high-scale distributed systems
Strong experience and deep understanding of API lifecycle management, from design to deprecation, along with expertise in API security best practices, including authentication, authorization, and threat mitigation

Job Responsibility

Build Impactful Infrastructure – Develop and refine a cutting-edge application infrastructure that eliminates common technical bottlenecks, reduces maintenance overhead for developers, and accelerates business innovation
Solve Complex, High - Scale Challenges – Tackle intricate, organization-wide problems by leveraging the latest technologies, including reactive programming, Temporal, vector databases, distributed systems, and advanced gateway solutions
Drive Strategic Technological Excellence – Conduct comprehensive evaluations of emerging solutions and guide the company’s long-term architectural decisions to ensure scalability, efficiency, and global resilience

Fulltime

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Staff Software Engineer – API Platform

Job Description

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