Software Engineer II — Onboarding & Growth Platform
$116k - $174kKlaviyo
At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny. About Klaviyo Klaviyo is a world-leading marketing automation platform dedicated to accelerating revenue and customer connection for online businesses using the channels they own like email, web and mobile. Enabling brands to leverage these owned marketing channels, Klaviyo makes it easy to store, access, analyze and use transactional and behavioral data to power highly-targeted customer and prospect communications. The company’s hybrid customer-data and marketing-platform model allows companies to grow by fostering direct, high-fidelity relationships with customers, without giving up their valuable data to Facebook or Amazon. In 2020, Klaviyo reached coveted unicorn status with a robust Series C of $200m at $4.15B valuation. Innovative companies like Unilever, Custom Ink, and Huckberry sell more with Klaviyo. Learn more at Why You Should Join the Onboarding Team The Product Expansion / Activation team at Klaviyo is focused on improving the early experience of Klaviyo for new customers. We work diligently to improve the rate at which customers are successfully setting up their Klaviyo account and gaining value from the platform. Engineers on the team use data to discover opportunities for improvement, implement A/B tests to validate ideas, and work across the product to iteratively improve UX and reduce friction for new customers. We are looking for great generalist software engineers with a passion for the experience-layer that have an interest in or experience with growing a user-base and building a great customer onboarding pipeline and experience. How You Will Make a Difference In this role, you will implement user-experience improvements across the Klaviyo product, especially in areas that affect new customers. You will design and implement A/B tests to validate ideas, and interpret the results of these tests to inform iterative improvements to the product. You will collaborate with marketing, data-science, sales, and engineering teams to discover areas for improvement, as well as engaging with customers directly to learn more about how we can better serve their needs. You will help us improve our experimentation and development processes, and mentor other engineers on the team. You will clearly define the goal, constraints, and context for AI agents, while remaining responsible for the correctness of the implementation, with a focus on security, performance, and maintainability. Working from our Boston HQ at least three days a week. Who You Are Have a background in full stack software engineering with experience building and improving products with an emphasis on user-facing features, along with the APIs and infrastructure to support them. Passionate about growing and improving a product on a daily basis using a data driven mindset. Experienced with A/B Testing products with metric based goals to improve user experience and customer acquisition and success (nice to have) Demonstrated ability and success in using AI-driven software delivery practices and methods and/or a willingness and excitement to learn. Thrives in an entrepreneurial type environment that is fast paced, customer focused, and strategic. Technologies We Use (not Exhaustive) HTML, TypeScript, JavaScript, React Python, Django MySQL, Cassandra, RabbitMQ, Redis Amazon Web Services (EC2, RDS, Aurora, etc.), Terraform, Ansible, Packer, and other DevOps tools Massachusetts Applicants It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability. Our salary range reflects the cost of labor across various U.S. geographic markets. The range displayed below reflects the minimum and maximum target salaries for the position across all our US locations. The base salary offered for this position is determined by several factors, including the applicant’s job-related skills, relevant experience, education or training, and work location. In addition to base salary, our total compensation package may include participation in the company’s annual cash bonus plan, variable compensation (OTE) for sales and customer success roles, equity, sign-on payments, and a comprehensive range of health, welfare, and wellbeing benefits based on eligibility. Your recruiter can provide more details about the specific salary/OTE range for your preferred location during the hiring process. Base Pay Range For US Locations:
$116,000—$174,000 USD
This role may require up to 10% travel for purposes such as new hire onboarding, client or partner work if applicable, team meetings, and industry events. Travel is coordinated in advance. Get to Know Klaviyo We’re Klaviyo (pronounced clay-vee-oh). We empower creators to own their destiny by making first-party data accessible and actionable like never before. We see limitless potential for the technology we’re developing to nurture personalized experiences in ecommerce and beyond. To reach our goals, we need our own crew of remarkable creators—ambitious and collaborative teammates who stay focused on our north star: delighting our customers. If you’re ready to do the best work of your career, where you’ll be welcomed as your whole self from day one and supported with generous benefits, we hope you’ll join us. AI fluency at Klaviyo includes responsible use of AI (including privacy, security, bias awareness, and human-in-the-loop). We provide accommodations as needed. By participating in Klaviyo’s interview process, you acknowledge that you have read, understood, and will adhere to our Guidelines for using AI in the Klaviyo interview Process. For more information about how we process your personal data, see our Job Applicant Privacy Notice. Klaviyo is committed to a policy of equal opportunity and non-discrimination. We do not discriminate on the basis of race, ethnicity, citizenship, national origin, color, religion or religious creed, age, sex (including pregnancy), gender identity, sexual orientation, physical or mental disability, veteran or active military status, marital status, criminal record, genetics, retaliation, sexual harassment or any other characteristic protected by applicable law. IMPORTANT NOTICE: Our company takes the security and privacy of job applicants very seriously. We will never ask for payment, bank details, or personal financial information as part of the application process. All our legitimate job postings can be found on our official career site. Please be cautious of job offers that come from non-company email addresses (@klaviyo.com), instant messaging platforms, or unsolicited calls. By clicking "Submit Application" you consent to Klaviyo processing your Personal Data in accordance with our Job Applicant Privacy Notice. If you do not wish for Klaviyo to process your Personal Data, please do not submit an application. You can find our Job Applicant Privacy Notice here and here (FR). #J-18808-Ljbffr Klaviyo- ...you should join the Mobile App Growth team The Mobile App Growth... ...We're looking for passionate engineers who want to roll up their sleeves... ...behavior consistent across platforms. Contribute to documentation... ...purposes such as new hire onboarding, client or partner work if applicable...PlatformWork at office
$116k - $174k
...their Klaviyo accounts and gaining value from the platform. We are looking for generalist software engineers with a passion for the experience layer, who are interested... ...in growing a user base and building a strong onboarding pipeline and experience. Responsibilities...Platform3 days per week$125k
...discovery through signup, onboarding, and early activation moments. As part of the Growth Engineering organization, our work centers... ...for a talented Frontend Software Engineer II to join our Signup & Activation... ..., shared UI libraries, or platform constraints) and...PlatformWork at officeLocal areaRemote workHome officeFlexible hours$115k - $125k
...provides the leading cloud platform for smart security and IoT,... ...Role Summary We are hiring a Software Engineer II to contribute to the design... ...health. Collaboration & Growth Work closely with senior... ...Contribute to documentation, onboarding guides, and engineering...PlatformFull timeFixed term contractCasual workWork at officeImmediate startWorldwide$125k - $175k
...bodies and daily lives. WHOOP is hiring a Software Engineer II (Backend, Health Records) to help... ...external healthcare ecosystems with WHOOP’s platform, transforming complex health records... ...and share in the company’s long‑term growth and success. The U.S. base salary...PlatformFull timeWork at officeRelocation$120 - $160 per hour
...About the role As a Senior Growth Engineer within the Product Engineering... ...that help new users onboard seamlessly, drive product adoption... ..., including experimentation platforms, tracking systems and data pipelines... ...writing production software and building web applications...PlatformHourly payCurrently hiringLocal areaRemote workWeekend work$125k - $175k
...into users' fitness, health, and recovery. As a Backend Software Engineer II, you will build on WHOOP’s generative AI capabilities to develop... ...to own part of WHOOP and share in the company’s long-term growth and success. The U.S. base salary range for this full-...PlatformFull timeWork at officeRelocation$125k - $215k
...human performance and healthspan. Our enterprise platform helps organizations across athletics, business,... ...WHOOP Enterprise is entering a new phase of growth and reinvestment. We’re looking for a Software Engineer II to play a critical role in evolving the Enterprise...PlatformFull timeWork at officeRelocation$104.3k - $177.8k
...today. Opportunity Happens Here. Senior Software Engineer II Join our team at Alegeus, where you’ll... ...regularly: Be a key player in our platform transformation: Help lead the modernization... ...by the challenges we tackle and the growth we create for our people and partners....PlatformFull timeWork at officeLocal areaFlexible hours$176k - $196.1k
...industry with our end-to-end platform that empowers... ...coordination to welcoming and onboarding new agents. Next... ...Technical Multiplier: Mentor engineers, lead design reviews,... ...For: 7+ years of software engineering experience... ..., equity, inclusion, growth and mobility. As an...PlatformMinimum wageFull timeFlexible hours$112k - $141k
...go-to-market acceleration has driven industry-leading growth. We are the largest and fastest-growing automotive marketplace... .... Role Overview As a core member of the Search Platform team (SPT), this Software Engineer II will collaborate with cross-functional teams,...PlatformFlexible hours$125k - $175k
...reliably is core to this mission. We are looking for a Software Engineer II (Full Stack Web) to join our Client Platform team, focused on Design Systems and Translations.... ...of WHOOP and share in the company’s long-term growth and success. The U.S. base salary range for this...PlatformFull timeWork at officeRelocationFlexible hours$137.5k - $141.7k
McKinsey & Company is looking for a Software Engineer to join their team in Boston, MA. As part of your role, you will produce high quality... ...mentorship opportunities and a commitment to your professional growth. The ideal candidate will have a Bachelor’s degree and at...- A leading marketing solutions company in Boston seeks a Software Engineer II to independently develop and maintain projects for the Delivery team. This role involves collaborating with teams to build next-generation marketing solutions, ensuring project quality and efficiency...PlatformRemote workFlexible hours
$140k - $180k
About Blitzy Blitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle... ...creating a new role at Blitzy called Software Developer Growth Engineer. This is not a traditional Software Engineer, SDR,...Platform$125k - $175k
...personalized insights that enhance fitness, health, and recovery. The Growth Team at WHOOP is a fast‑paced, experimentation‑driven group... ...our features and iterating based on those results. As an iOS Engineer II, you will play a key role in building mobile experiences that...Full timeWork at officeWorldwideRelocation- ...a diverse team of experts in software, robotics, control systems, optimization... ...them across a breadth of platforms, including the Anduril Fury,... ..., hardware, and test engineering to solve some of the hardest... ...About the Job As an Engineer II, you’ll help build and test the...PlatformFull timeTemporary workPart timeInternshipWorldwide
- ...We Are The Pricing Systems Engineering team powers one of the most critical... ...business impact. As a Software Engineer on this team, you’ll... ...Kafka or similar event streaming platforms, orchestration and data... ...Caregiver Services Financial Growth & Security 401K Matching (Employee...PlatformTemporary workFlexible hours
$148k - $222k
...own destiny. Why You Should Join the Onboarding Team The Product Expansion / Activation... ...account and gaining value from the platform. Engineers use data to discover opportunities, implement... .... We are looking for great generalist software engineers with a passion for the...Platform3 days per week$114.5k - $188k
Software Engineer II As a Software Engineer II at Iterable, you will independently develop, maintain, and deliver moderate‑complexity projects... ...bring next‑generation marketing solutions to our scalable platform. How you will make an impact Execute core work with minimal...PlatformLocal areaRemote workFlexible hours$174.8k - $205.7k
...Description Job Description Senior Engineer II, Full Stack Location... ...is a leading AI-powered growth solutions partner for regulated... ...directly with every platform team to architect, build, and... ...Claude Code, Copilot) in the full software development lifecycle, including...PlatformFull timeWork at office3 days per week$120k - $180k
...Join us in shaping the future of science! We are seeking a Software Engineer II with backend experience to join our Lab Software Team (LaS)... ...Orchestration Systems: Experience with software orchestration platforms (Airflow, Prefect, Temporal, Dagster) and design patterns....PlatformFull timeWork at officeLocal areaFlexible hours$197.4k - $232k
...FullTime Location Type: Remote Department: Engineering Compensation: $197.4K - $232K •... ..., data doesn’t sit still. Our platform puts information in motion, streaming... ...Platform. About the Role As a Senior Software Engineer II at Confluent, you will take ownership...PlatformFull timeImmediate startRemote work$116k - $174k
...Klaviyo is looking for a Backend Engineer to support key initiatives... ...offerings and drive company growth. In this role, you'll play a... ...for our customers. As a Software Engineer II, you’ll tackle complex... ...a rock-solid communications platform. We work cross-functionally...PlatformImmediate start- ...environment interacting closely with other software engineers, product managers, designers, and... ...resolve complex system issues, ensuring platform stability, security, and scalability Contribute... ...) Caregiver Services Financial Growth & Security 401K Matching (Employee...PlatformTemporary workFlexible hours
$176k - $196.1k
...real estate industry with our end‑to‑end platform that empowers residential real estate... ..., and fee structure. As a Senior Software Engineer on this team, you will design and build... ...reliability engineering, and partner onboarding Financial or commission domain knowledge...PlatformMinimum wageFlexible hours$116k - $174k
...is looking for a Full Stack Engineer to support key initiatives that... ...offerings and drive company growth. In this role, you'll play a... ...for our customers. As a Software Engineer II, you’ll tackle complex... ...the bar for what a marketing platform can do with this channel...PlatformRemote jobImmediate start$116k - $174k
...access, organizations, and platform integrity at Klaviyo. We manage... ...work will directly affect engineering velocity (auth as a shared... .... What you'll do As a Software Engineer II on the IAM team, you will:... ...purposes such as new hire onboarding, client or partner work if...PlatformFlexible hours$125k - $170k
...WHOOP is hiring an Android Engineer II to join our Healthcare team.... ...shared frameworks, iterating on growth experiments, or shipping health... ...code, and contribute to a platform that is improving health outcomes... ...Learn more about our Software Org and how to be successful...PlatformFull timeWork at officeRelocation- ...across Wayfair; our Storefront Engineering teams ensure that we’re... ...ways. The Storefront Backend Platform team is responsible for building... ...scale, in a fast-paced, high growth and agile environment, this is... ...‑on experience delivering software within high‑growth environments...PlatformTemporary workLive inFlexible hours
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