Senior Backend Engineer - Advertising Technology at Hopper | Remote

About HTS MediaHTS Media, a dynamic division of Hopper, is revolutionizing the way travel brands engage with consumers. Our platform seamlessly connects travel brands, destinations, and suppliers with travelers, leveraging our app and extensive B2B partnerships with industry giants like Capital One Travel and TripAdvisor. Our goal is to establish the leading retail media network in the travel sector, driving significant profitability for Hopper and our partners, much like Instacart, Uber, and Amazon have achieved in their respective industries.Though we are in the early phases of our development, HTS Media has already emerged as one of Hopper’s most rapidly expanding and profitable segments. The engineering team is crucial in enhancing our platform, ensuring that our ad technologies provide tangible benefits for advertisers while delivering a seamless user experience for travelers.About the RoleAs a Senior Backend Engineer on the HTS Media team, you will be instrumental in developing the core engine that drives our advertising platform. Your responsibilities will include designing, constructing, and scaling high-throughput, low-latency services that manage ad requests, conduct auctions, and deliver millions of targeted offers to travelers in real-time. This pivotal position will have a direct influence on platform performance, advertiser satisfaction, and Hopper’s overall financial success.You will confront the intricate challenges within the ad tech arena, optimizing our real-time bidding (RTB) logic and ensuring responses occur within milliseconds, even under heavy loads. As a technical leader, you will mentor other engineers, guide architectural choices, and uphold high standards of scalable, high-quality code. If you have a passion for building distributed systems capable of operating at an extensive scale, this is the perfect opportunity for you.

Join Our Innovative TeamBe part of the Customer Experience (CX) Product team that oversees the complete post-booking journey. From the moment a trip is booked to handling changes, disruptions, refunds, and customer support interactions, we are dedicated to enhancing the travel experience.We develop and maintain systems that provide rapid, high-quality support at scale, including:User-friendly self-service experiences within the Hopper app and partner-integrated systems.Robust internal agent platforms that facilitate efficient, high-quality human resolution.HTS Assist, our premier agentic AI platform, utilized internally and as a B2B solution for global travel partners.Our platforms serve millions of travelers across various channels—chat, voice, web, and third-party—ensuring seamless post-booking experiences worldwide.Your RoleAs a Senior Software Engineer in the CX Platform team, you will architect, build, and enhance the core systems that underpin Hopper’s post-booking experience. Your contributions will directly affect customers, internal support agents, and the growth of HTS Assist across AI-driven communication channels.You will work in close collaboration with Product, Design, AI, Data, and Operations teams to deliver intelligent, scalable customer service systems, including conversational AI workflows and self-service customer journeys.Daily ResponsibilitiesDesign, develop, and enhance backend and/or full-stack systems that support HTS Assist, internal agent tools, and customer self-service flows.Create scalable APIs, microservices, and orchestration logic for complex post-booking journeys across AI, chat, voice, and web.Collaborate with product, design, AI, and operations teams to implement features that optimize customer experiences and improve agent efficiency.Integrate with external systems such as telephony, CRM, identity, and booking platforms to support both internal and partner-specific applications.Own features from initial technical design through implementation, testing, deployment, monitoring, and iteration.

At WHOOP, we are dedicated to transforming human performance and enhancing healthspan. Our mission is to empower members to achieve peak performance through a profound understanding of their bodies and daily lives. With our cutting-edge wearable technology, we monitor essential physiological metrics to provide tailored insights that boost fitness, health, and recovery.The Growth Team at WHOOP is a dynamic, results-oriented group committed to driving user acquisition, activation, and retention. Our data-centric approach enables us to continuously assess the effectiveness of our features and iterate based on those insights.As a Senior Backend Software Engineer, you will be instrumental in constructing backend services that significantly influence our business metrics and foster member growth. Collaborating cross-functionally, you will deliver impactful features and contribute to architectural decisions, ensuring WHOOP's scalability to millions of members.

At Toast, we are passionate about creating a revolutionary restaurant platform that empowers restaurants to reclaim their passion and focus on what they do best: nurturing their beloved businesses. We pride ourselves on being an unconventional tech company that thrives on innovation. Challenging the status quo is embedded in our culture. Building a transformative product necessitates forward-thinking, which is why we deeply value diverse backgrounds and experiences. Our mission is to enable restaurants of all sizes to assemble exceptional teams, boost revenue, streamline operations, and offer unforgettable guest experiences. By combining our extensive knowledge of the restaurant industry with robust cloud-based software and top-tier hardware, we deliver an intuitive all-in-one solution. Join us in our quest to uplift the restaurant community, delight guests, and help them flourish. Our Fintech division at Toast plays a pivotal role in our infrastructure by managing payments for restaurants and ensuring timely transactions. Payment processing is not only a vital revenue stream for Toast but also essential for our customers, as we handle millions of dollars in transactions daily. We are on the lookout for a Senior Software Engineer to enhance our Payments team and develop our unified payment processing platform. This solution provides a seamless, integrated service for accepting payments across various channels and supports a configurable enterprise approach. It is engineered to enable a build-once, available-to-all strategy for both existing and emerging payment methods. The right candidate will play a crucial role in creating services that provide essential support and functionality within this payment processing framework.

ezCater stands at the forefront of food technology in the U.S., seamlessly connecting organizations in need of workplace meals with over 100,000 restaurants across the nation. Our platform offers flexible and scalable solutions, catering to everything from regular employee meals to special events, all supported by our dedicated 24/7 customer service team. For restaurant partners, ezCater drives growth by increasing order volume and attracting high-value customers. We are backed by leading investors such as Insight, Iconiq, Lightspeed, GIC, SoftBank, and Quadrille.As a Senior Software Engineer on our Finance Technology team, you will play a pivotal role in revolutionizing our finance technology platform. You will be responsible for architecting and implementing modern solutions that transform our existing software into an integrated, AI-enabled tech stack, ensuring efficient, secure, and compliant financial transactions for both our customers and restaurant partners. Key tasks will include credit card processing, invoicing, payouts, and tax calculations.

Together, we enhance the streaming experience. Join Roku in transforming the television landscapeRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico, with aspirations to empower every television globally. As pioneers in streaming technology, we aim to be the central platform connecting the entire TV ecosystem. Our mission is to bridge consumers to their favorite content, assist content publishers in growing and monetizing their audiences, and provide advertisers with unique engagement tools.From your first day at Roku, your contributions will be impactful and recognized. As a rapidly expanding public company, every team member plays a crucial role. You will have the chance to delight millions of TV streamers worldwide while gaining valuable experience across multiple disciplines. About the Team Our Advertising Engineering team develops the user interfaces and APIs powering Roku’s advertising initiatives, facilitating growth for Roku and strategic content partners like The Roku Channel. We function as a highly agile, service-oriented team that continuously ships updates—enhancing existing systems while improving usability, quality, performance, and scalability. Collaborating closely with UX, Product, and Commercial teams at Roku, as well as with external strategic partners, you'll deliver exceptional web applications and backend services at scale. We value relentless curiosity, a global perspective with local execution, and proactive problem-solving, combined with strong interpersonal skills and adaptability to evolving business demands. About the Role We are seeking a seasoned developer to join our team, specializing in building user interfaces and APIs to support advertising campaigns. The ideal candidate will possess endless curiosity and the ability to blend a global outlook with localized execution. You should be a determined problem solver and self-starter capable of driving initiatives in collaboration with product and commercial teams at Roku, as well as with external strategic partners. The successful candidate will exhibit a balance of technical and interpersonal skills, demonstrating agility in responding to shifting business requirements.

We are on the lookout for a highly skilled Senior Backend Software Engineer to become an integral part of our dynamic team. In this role, you will collaborate in the design, implementation, and deployment of our core data pipeline and processing platform for our innovative AI-native cloud environment. Your expertise will be pivotal in creating robust, scalable, and sophisticated solutions to tackle intricate cybersecurity challenges. You will take charge of selecting and implementing the essential technologies and architectures needed for success.Key Responsibilities:- Architect, implement, and maintain the foundational data pipelines and processing platform for our AI-native cloud services.- Develop high-quality, scalable, and elegant solutions for complex cybersecurity scenarios.- Evaluate and integrate appropriate technologies and architectures.- Guarantee the scalability, reliability, and performance of our cloud-based offerings.Qualifications:- A minimum of 7 years of experience in backend development.- Proven hands-on experience with cloud architecture and deployment.- Familiarity with a diverse array of cloud technologies and architectural frameworks.- Exceptional software development skills, coupled with a proactive, fast-paced approach to shipping solutions.- Bachelor's degree or equivalent in a relevant discipline.- Strong analytical thinking and communication abilities.About Seven AI:At Seven AI, we welcome professionals at all levels who are passionate about making a significant impact and thriving in a fast-paced, growth-oriented environment. With the rapid advancement of AI technology, this is an exciting time to join us, where your skills can influence the future of cybersecurity. You will engage with cutting-edge technology and spearhead innovative solutions while working alongside industry experts committed to safeguarding against emerging AI-driven threats. Our culture emphasizes respect, collaboration, and a shared dedication to delivering exceptional value to our clients. If you are enthusiastic about building remarkable solutions and desire to be in an environment where your contributions are valued, we would love to hear from you.

At WHOOP, we are driven by a commitment to enhancing human performance and extending healthspan. Our platform empowers a wide range of members, from Olympians and professional athletes to fitness enthusiasts, enabling them to achieve their peak potential by gaining profound insights into their bodies and daily lives. We are eager to welcome highly skilled and motivated engineers to join our team, propelling our established system to unprecedented heights. Join the AI Platform team at WHOOP where we are tasked with building a robust foundation that facilitates the scalable, responsible, and accessible implementation of Generative AI across our diverse array of products. Our primary focus is on creating reusable infrastructure, services, and tools that empower both product and software teams to explore, integrate, and deploy GenAI-powered features both efficiently and securely. By simplifying the complexities associated with large language models (LLMs) and ensuring the delivery of personalized insights to our members, our platform accelerates innovation while maintaining a consistent, high-quality user experience. As a Senior Software Engineer on the AI Platform team, you will play a pivotal role in designing and scaling the systems that underpin WHOOP’s Generative AI capabilities. You will develop robust, modular services and user-friendly tools that streamline the interaction with GenAI models across the organization. This position merges a platform-oriented mindset with engineering excellence, helping WHOOP unlock the full potential of Generative AI across our core products, coaching services, insights, and beyond.

At WHOOP, we are dedicated to revolutionizing human performance and extending healthspan. By leveraging cutting-edge wearable technology, WHOOP empowers our members to achieve peak performance through an in-depth understanding of their physiological metrics and daily habits. Our devices monitor vital metrics to deliver personalized insights that optimize fitness, health, and recovery. As a Senior Software Engineer (Backend) concentrating on Core & Ecosystem, you will be instrumental in constructing and enhancing the robust systems that underpin the WHOOP member experience related to sleep, strain, and recovery. Your contributions will also facilitate the WHOOP connected experience for both new and existing partnerships, as well as external developer applications and supporting platforms. This team is charged with creating the infrastructure and shared services that drive data pipelines, algorithms, and scalability across our product. You will work closely with product management, design, data science, and your fellow engineers to architect and implement reliable, impactful backend systems that support features for our members. You will lead the technical planning for complex projects, mentor junior engineers, and elevate the standard of engineering excellence within the backend team.

Foundation LLM Technologies, a venture-backed startup founded at MIT, is building an AI Copilot for design and manufacturing. The team blends artificial intelligence, physics simulation, and computer graphics to streamline engineering work and lower costs throughout the design and manufacturing lifecycle. Role overview This Senior CAD Backend Engineer position focuses on backend integrations and automation for the company's AI engineering platform. The role emphasizes connecting CAD systems, particularly CATIA, to cloud-native services, automating mechanical design workflows, and developing backend features in Python. Deep expertise with CATIA is essential. Key responsibilities Develop backend integrations linking CATIA with cloud services Automate mechanical design processes within the platform Create and maintain backend features using Python Optimize workflows to enhance engineering productivity Requirements Extensive experience with CATIA and CAD APIs Strong Python programming skills Background in mechanical design automation and backend development Location Boston, MA

At MyFitnessPal, we are committed to fostering better health through nutrition. Our leading app equips users with the tools, resources, and support they need to achieve their wellness aspirations. With millions of users globally, we combine innovative technology with a passionate mission to assist individuals on their health journeys. Our freemium model, supported by advertisements, is central to our goal of making healthy food tracking accessible to all. We continuously strive to improve user engagement by integrating premium advertising formats that not only captivate our audience but also significantly contribute to our revenue as our user community grows.We are in search of a driven and strategic Senior Client Partner, Advertising - Electronics & Entertainment to strengthen our dynamic sales team. This role involves building, managing, and nurturing relationships with key clients and agency partners, while spearheading revenue growth through cutting-edge advertising solutions. You will collaborate with cross-functional teams, including product development, engineering, revenue operations, and marketing, to create impactful advertising campaigns that fulfill client objectives. Expect travel commitments of 30-50%.

At WHOOP, we are dedicated to empowering individuals to enhance their performance and extend their healthspan. As a Senior Software Engineer on our Business Systems team, you will be instrumental in designing and implementing robust backend systems that drive WHOOP’s internal operations. Your efforts will facilitate scalability and operational efficiency across various departments, including Finance, Operations, and Member Services. By architecting and maintaining critical services and integrations, you will play a crucial role in ensuring that our systems are reliable, secure, and high-performing, ultimately helping WHOOP deliver exceptional value to our members and support our global growth ambitions.

About WHOOP WHOOP helps people understand their bodies and habits so they can perform at their best and improve their healthspan. The team builds tools and insights that support members in reaching their goals every day. Role Overview The Senior Backend Software Engineer - Health Records will design and build the systems that connect external healthcare data with the WHOOP platform. This work ensures health data is integrated securely and can scale as needs grow. The role focuses on transforming complex health records into insights that members can use, strengthening WHOOP’s ability to deliver personalized health experiences and long-term value.

Collaboration Fuels Our Streaming Success. Join Roku as We Transform Television ViewingAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is dedicated to revolutionizing the way people experience television. We have pioneered streaming technology and our mission is to connect viewers with the content they adore while offering publishers the tools to engage vast audiences and providing advertisers with innovative ways to reach consumers.From your very first day at Roku, you will play a pivotal role in our mission. Being part of a rapidly growing public company means you won't be a bystander; you will have the chance to delight millions of streamers globally while gaining valuable experience across various fields. Your RoleWe are looking for a Senior Director of Product Management to lead the vision and ongoing development of Roku’s proprietary Video Ad Platform. This platform facilitates programmatic advertising across Roku Media, integrating supply, demand, data, and ad decision-making into a seamless marketplace.In this role, you will shape how inventory is presented and managed on Roku platforms, oversee the connections and transactions with external demand systems, and ensure that data and signals flow effectively throughout the platform for optimal measurement and enhancement. A key aspect of this position is to ensure compatibility within the advertising ecosystem while enabling Roku to innovate and stand out through its proprietary technology.This pivotal role is central to Roku’s programmatic strategy, driving a unified platform vision that harmonizes advertiser results, viewer satisfaction, and scalable monetization. A deep understanding of video advertising technology and programmatic marketplace architecture is essential.For Candidates in Massachusetts Only - The anticipated annual salary for this role ranges from $382,600 to $536,250. Compensation packages are tailored to each candidate, considering factors such as skill set, certifications, and geographic location. This position comes with health insurance, equity awards, life insurance, disability benefits, parental leave, wellness programs, and paid time off. Your ResponsibilitiesComplete Platform OwnershipEstablish and communicate the strategic direction for the Video Ad Platform.Collaborate with cross-functional teams to ensure alignment with overall company objectives.Drive innovation in ad tech offerings and enhance user engagement.

Are you ready to shape the future of engineering?Simpson Gumpertz & Heger (SGH) is a renowned national engineering firm dedicated to providing integrated solutions for our clients' most intricate challenges. We harness our collective expertise, technical knowledge, and industry insights in structures and building enclosures, advanced analysis, performance and code consulting, and applied science and research to offer unparalleled solutions that enhance performance. With a workforce of 800 across the nation, SGH's top-tier teams are constantly pushing the boundaries of innovation.Why choose a career with SGH?At SGH, the path to advancement is paved with curiosity and exploration. Every team member is both a learner and an educator, devoted to personal growth, team development, and industry progress. Together, we are cultivating a culture that never settles for the status quo but always strives for better.Reasons to join SGH:Our Work: Clients rely on us to provide clarity and deliver exceptional solutions for their most challenging projects.Our Team: We are innovative thinkers and supportive colleagues, dedicated to continuous learning and professional development.Our Integrity: We uphold our commitment to honesty and actively contribute to our professions and communities.Our Benefits: We provide a comprehensive compensation and benefits package, including company-sponsored and optional programs aimed at fostering healthy lifestyles, strong relationships, and future success.We seek a passionate problem-solver in engineering.The Consulting Engineer will take on project management responsibilities for small to medium-sized projects, including new design and the evaluation, investigation, and design of repairs for existing structures. You will oversee significant individual projects or multiple projects that necessitate supervision of various staff and client interactions. Maintaining professional relationships and active involvement in relevant associations and committees is crucial. Essential duties include climbing ladders and scaffolding, working at heights, and traveling to diverse job sites via car, train, and air.

Join our innovative team at Lever as a Backend Engineer, where you will play a pivotal role in crafting cutting-edge software solutions that transform the hiring landscape.At Lever, we are dedicated to revolutionizing the way companies recruit top talent. Our software is trusted by industry leaders like Netflix, Yelp, Cirque du Soleil, Shopify, and Spotify. As we continue to grow, we seek talented individuals who are passionate about redefining talent acquisition.We are proud to be recognized as the #1 workplace in San Francisco and a top employer in the United States. Our team, known as “Leveroos,” is our greatest asset, and we are committed to fostering a people-first culture that celebrates collaboration and innovation.

At WHOOP, we are dedicated to enhancing human performance and extending healthspans. Our innovative enterprise platform empowers organizations in athletics, business, healthcare, and public service to gain deeper insights into the health and performance of their teams.As WHOOP Enterprise embarks on an exciting new phase of growth and reinvestment, we are seeking a passionate Senior Software Engineer to play a vital role in transforming our Enterprise platform. You will be responsible for developing core systems, influencing technical direction, and establishing a robust foundation for a scalable enterprise product.This position offers significant ownership and autonomy, allowing you to thrive in a product-ambiguous environment. You will help define excellence in our offerings and work closely with design, stakeholders, and leadership as we propel the platform forward.

At MyFitnessPal, we are passionate about promoting good health through nutrition. Our platform empowers users to achieve their health aspirations with innovative tools and supportive resources. As the leading health and wellness app globally, we merge advanced technology with a dedicated mission to facilitate personal wellness journeys. Our freemium application, supplemented by advertisements, plays a crucial role in our goal of making food tracking accessible to all. We strive to improve user engagement by integrating premium ad formats that attract users while generating substantial revenue as our community grows.We are on the lookout for a dynamic and results-oriented Senior Client Partner, Advertising - Health, Beauty & Personal Care to join our exceptional sales team. In this pivotal role, you will establish and nurture relationships with key clients and agency partners, driving revenue growth through creative advertising solutions. Collaborating cross-functionally with product, engineering, revenue operations, and marketing teams, you will deliver impactful campaigns that align with client objectives. Please note that this position requires 30 - 50% travel.

ezCater stands at the forefront of the food for work technology sector in the United States, seamlessly connecting businesses in need of workplace catering with a vast network of over 100,000 restaurants nationwide. Our innovative platform delivers flexible and scalable solutions, catering to everything from regular employee meals to special one-off events, all supported by our dedicated 24/7 customer service team. Additionally, we empower companies to efficiently manage their food budgets through a single, customizable platform. For our restaurant partners, ezCater drives growth by increasing their order volume and attracting high-value customers. We are proud to be backed by prominent investors including Insight, Iconiq, Lightspeed, GIC, SoftBank, and Quadrille.Are you enthusiastic about harnessing the power of data? Are you ready to influence a rapidly expanding two-sided marketplace through data-driven insights? Do you have innovative ideas on how to empower data scientists within a billion-dollar organization to optimize workforce planning or predict real-time customer lifetime value? If so, we want to connect with you!The Data Technology team at ezCater is on an exciting growth trajectory! As we prepare for the future, data will remain a core strategic asset across the company—encompassing everything from advanced machine learning to business intelligence and data governance. Data is poised to be our key differentiator, driving significant impact within the $100 billion catering industry.We are looking for a Senior Data Engineer to join our dynamic team and tackle complex data and platform challenges that will help accelerate our business growth. The ideal candidate is a data aficionado who champions best practices in systems and architecture, and is dedicated to creating robust infrastructure that underpins accurate and efficient data. You will collaborate directly with executive stakeholders as we embark on an organization-wide data modeling initiative, making adaptability and the ability to translate business needs into technical solutions essential.

At WHOOP, we are dedicated to enhancing human performance and extending healthspan. Our mission is to empower individuals to achieve their peak potential by providing in-depth insights into their physiological data through our advanced wearable technology. This technology tracks essential metrics to deliver personalized feedback that enhances fitness, health, and recovery.As a Software Engineer I, you will play a pivotal role in the design, development, and upkeep of the services that underpin WHOOP’s essential product experiences. Collaborating closely with seasoned engineers, product managers, designers, and data scientists, you will contribute to creating scalable and dependable systems that provide valuable insights to our users. This position is perfect for those eager to learn, produce high-quality code, and make a significant impact within a dynamic, mission-driven environment.