- Страна
- США
- Зарплата
- 145 500 $ – 235 400 $
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на вакансии с ИИ

SDK Software Engineer
Отличная вакансия для опытных инженеров: высокая прозрачная зарплата, удаленная работа, работа над open-source продуктом и возможность влиять на развитие платформы.
Сложность вакансии
Высокая сложность обусловлена необходимостью быть 'полиглотом' (знать несколько языков программирования) и иметь опыт разработки библиотек/SDK, что требует глубокого понимания архитектуры и производительности.
Анализ зарплаты
Предлагаемая зарплата ($145k - $235k) полностью соответствует и даже местами превышает рыночные показатели для Senior/Staff инженеров в США, особенно с учетом RSU и бонусов.
Сопроводительное письмо
I am writing to express my interest in the SDK Software Engineer position at LaunchDarkly. With over five years of experience in backend development and a strong background in building developer-facing libraries, I am excited about the opportunity to contribute to a platform that fundamentally changes how software is delivered. My experience as a polyglot developer, particularly with Go, Java, and Python, aligns perfectly with your need for an engineer who can seamlessly context-switch between different tech stacks while maintaining high standards for performance and concurrency.
Throughout my career, I have focused on creating resilient and idiomatic code, often contributing to open-source projects where maintainability and clear documentation are paramount. I am particularly drawn to LaunchDarkly because of your commitment to transparency and the technical challenge of serving trillions of feature flags daily. I am confident that my skills in building robust integration tests and my passion for developer experience will allow me to make a significant impact on your SDK team and help drive the next chapter of your story.
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Описание вакансии
About the Job:
As a Software Engineer on LaunchDarkly’s SDK team, you will build the primary touchpoint that our customers interact with on a daily basis. You’ll work with multiple technologies across our 35+ SDKs while enabling customers of all kinds to feature flag their code. When working on our SDKs, you’d be contributing to much more than thin client wrappers. Our SDKs are feature-rich agents with strong emphases on performance, concurrency, and resiliency -- all while following idiomatic practices for their tech stack.
LaunchDarkly serves trillions of feature flags daily to customers all around the globe, and every flag is handled by our SDKs. This team has a major impact not only on our company, but on our customers (and their customers). We are growing fast and we need your help writing the next chapter in our story.
Responsibilities:
- Contribute to development for SDKs in supported platforms:
+ Implement new features and improvements to meet customer performance and resiliency requirements
+ Keep up to date with the latest development practices
- Collaborate with our engineering and product teams to drive the implementation and release of major features
- Actively maintain our open-source repositories
- Identify areas of improvement and advocate for best practices
- Have an active voice in shaping both technology and product decisions
Qualifications:
- Demonstrable experience building libraries and packages used by other developers
- Polyglot background with an ability to context switch between languages quickly
- 5+ years experience with at least two of the following: .NET/Go/Ruby/Python/NodeJS/Java
- Experience with the following is a plus:
+ C++/Erlang/Haskell/Lua
+ AI SDKs
+ Observability SDKs
+ Mobile development
- Strong computer science fundamentals
- Committed to working in a communicative, collaborative environment
- Self‐starter and problem solver, willing to solve difficult problems and work independently when necessary
- Strong testing background: experience building unit, integration, load tests, and benchmarks
- Experience writing production-ready code with emphasis on quality and maintainability
- Experience contributing to open-source software
Logistics:
- This is a remote role, with opportunities to visit the office in Bay Area California
- The SDK team is spread between Eastern and Pacific time zones
Highlights:
- You will work collaboratively with a team of highly experienced engineers who are amazing at the craft of engineering and building SDKs
- Your contributions will be publicly visible as the SDK team develops LaunchDarkly’s open-source SDKs in public
- LaunchDarkly uses our own SDKs. You will have opportunities working with the other teams within LaunchDarkly
- In this role, you can learn about many programming languages and frameworks
- You will have opportunities to strongly influence roadmap and prioritization
Pay:
Target pay ranges based on Geographic Zones\ for Level 3:*
- Zone 1: San Francisco/Bay Area or NYC Metropolitan Area, Boston, Seattle - $171,200 - $235,400\\
- Zone 2: Irvine, LA, Monterey, Santa Barbara, Santa Rosa, Austin, Portland, Philadelphia, Chicago - $154,100 - $211,860\\
- Zone 3: All other US locations - $145,500 - $200,090\\
LaunchDarkly operates from a place of high trust and transparency; we are happy to state the pay range for our open roles to best align with your needs. Exact compensation may vary based on skills, experience, and location.
\Within the United States, our geographic pay zones are defined by counties surrounding major metropolitan areas.*
\\Restricted Stock Units (RSUs), health, vision, and dental insurance, and mental health benefits in addition to salary.
About LaunchDarkly:
Modern software delivery was supposed to be the foundation for a thriving digital business but reality has proven otherwise. Slow, inefficient development cycles, costly outages, and fragmented customer experiences are preventing developers from building their best software. The LaunchDarkly platform helps developers innovate on new features faster while protecting them with a safety valve to instantly rewind when things go wrong. Developers can target product experiences to any customer segment and maximize the business impact of every feature. And by gradually rolling out new application components, they escape nightmare "big-bang" technology migrations.
The LaunchDarkly platform was built to guide engineers to the next frontier of DevOps by:
- Improving the velocity and stability of software releases, without the fear of end customer outages
- Delivering targeted experiences by easily personalizing features to customer cohorts
- Maximizing the business impact of every feature through the ability to experiment and optimize
- Coordinating the release and optimization of software to provide consistent experiences across mobile platforms and device types
- Improving the effectiveness and productivity of engineering teams, by providing insights into engineering cadence and stability
At LaunchDarkly, we believe in the power of teams. We're building a team that is humble, open, collaborative, respectful and kind. We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, gender identity, sexual orientation, age, marital status, veteran status, or disability status. LD invites any applicant to review our written Affirmative Action Plan. To do so, contact People Ops at hr@launchdarkly.com.
Do you need a disability accommodation?
Fill out this accommodations request form and someone from our People Operations team will contact you for assistance.
Your safety matters to us. To protect yourself from potential scams, LaunchDarkly recruiters will only contact you from @launchdarkly.com email addresses. Be cautious of emails from other domains. Legitimate LaunchDarkly recruiters will never ask for money, fees, or banking information before making a job offer. LaunchDarkly will never make a job offer without conducting a formal interview process. Our interview process does not involve asking detailed questions by email. If you are ever unsure about a communication that you receive, don't click any links—visit Careers | LaunchDarkly directly for confirmed job openings and links to apply.
Please notify us of any fraudulent representation by sending an email to careers@launchdarkly.com.
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Навыки
- Go
- Java
- .NET
- Ruby
- Python
- Node.js
- C++
- Erlang
- Haskell
- Lua
- SDK Development
- Open Source
- Unit Testing
- Concurrency
Возможные вопросы на собеседовании
Проверка способности быстро переключаться между стеками и понимания идиоматики разных языков.
Расскажите о вашем опыте работы с несколькими языками программирования одновременно. С какими трудностями в реализации идиоматичного кода вы сталкивались?
SDK — это публичный интерфейс. Важно понять, как кандидат проектирует API для других разработчиков.
Каковы ваши основные принципы при проектировании публичного API для библиотеки или SDK? Как вы обеспечиваете обратную совместимость?
LaunchDarkly обрабатывает триллионы флагов, поэтому производительность SDK критична.
Как бы вы подошли к оптимизации производительности и потребления памяти в SDK, который должен работать в высоконагруженных системах?
SDK LaunchDarkly являются открытыми. Важен опыт взаимодействия с сообществом.
Опишите ваш опыт участия в open-source проектах. Как вы работаете с внешними контрибьюторами и обрабатываете issue?
Проверка навыков обеспечения надежности кода.
Как вы организуете процесс тестирования для SDK, который должен поддерживать множество различных платформ и версий языков?
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- Страна
- США
- Зарплата
- 145 500 $ – 235 400 $