Platform Software Engineer

Role overview Speechify seeks a Platform Software Engineer based in Cambridge, MA. This position centers on building and enhancing the core platforms that power Speechify’s applications. The work involves designing, implementing, and refining scalable systems that influence both product development and the overall user experience. What you will do Develop and maintain platform software supporting Speechify’s products Work with engineering, product, and design teams to deliver reliable solutions Improve existing systems for better performance and scalability Share ideas that help shape the direction of Speechify’s technology Requirements Proven experience building high-quality software Ability to collaborate with cross-functional teams Interest in tackling complex technical challenges This is an onsite role in Cambridge, MA.

Teamwork Makes the Stream Work. Transforming TV Viewing with RokuAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is on a mission to empower every television worldwide. We pioneered the concept of streaming to the TV, aiming to create a platform that seamlessly integrates all elements of the television ecosystem. Our goal is to connect viewers to the content they love while providing content creators the tools to monetize their audiences and offering advertisers unique engagement opportunities.From the moment you join Roku, you will play a vital role in our team. As a rapidly growing public company, we ensure that every employee feels valued. This is your chance to impact millions of TV streamers globally and gain invaluable experience across various disciplines. Role OverviewWith over 85 million users worldwide, our products are renowned for their intuitive performance and seamless integration. This success is not incidental; our commitment to user-centered design ensures our products are not just functional but also instinctive to use. We strive to simplify the streaming experience for users.We seek a Senior Software Engineer to develop core features for the Roku platform's user interface. The ideal candidate will have experience creating high-performance applications and SDK components, eager to code for a highly popular consumer electronics platform. This position offers significant visibility and the chance to make a substantial business impact, working on components that influence nearly all content streamed on Roku. About Our TeamThis team focuses on customer-centric features that enhance user experience, including cross-platform device interactions, TV and Player-centric user interfaces, and IoT integration with Roku OS. Our product roadmap is designed to accelerate our growth and scalability, delivering innovative features to millions of Roku users worldwide.Our developers and engineers are proactive and driven, taking ownership of their work and finding motivation in their contributions.

Join ttp1 as a Platform Engineer in our dynamic Cellular Origins department, where you will play a pivotal role in designing and developing innovative platforms that drive cutting-edge cellular technology. You will collaborate with a talented team of engineers and scientists, contributing your expertise to enhance our products and solutions. This is an exciting opportunity to work in a fast-paced environment where creativity and technical skills are highly valued.

Join our dynamic team at ttp1 as a Senior Platform Engineer. In this pivotal role, you will be responsible for designing, developing, and maintaining scalable platform solutions that enable our innovative projects to thrive. You will collaborate with cross-functional teams to ensure seamless integration and exceptional performance of our systems.

Quotient Therapeutics is a private biotechnology company developing new therapies by working with natural somatic genetic diversity in patients. The team applies expertise in somatic genomics to advance biopharmaceutical research, running both internal and collaborative programs. Founded by Flagship Pioneering, Quotient Therapeutics is part of a network of over 100 ventures launched in the last two decades, each tackling challenges in biology, industry, and engineering. Role overview This mid-level AWS Platform Engineer position is based at the Chesterford Research Campus near Cambridge, UK. The role focuses on building and improving cloud infrastructure that supports genomics-driven drug discovery. As part of the Data Infrastructure team, the engineer will work alongside biologists, informaticians, and software engineers to maintain data pipelines, applications, and AI/ML workflows across the organization. The position reports to the Head of Data Engineering. Candidates must have the right to work in the UK. What you will do Manage and enhance the AWS-based platform for development and production environments. Develop and maintain infrastructure-as-code, primarily using AWS CDK, to provision and manage cloud resources. Help build CI/CD pipelines and automation for engineering teams. Support and optimize AWS services including EC2, S3, Lambda, Batch, ECS/EKS, and RDS. Improve observability through better logging, monitoring, alerting, and cost tracking. Troubleshoot issues across infrastructure, pipelines, and applications, collaborating closely with engineers and scientists. Location This position is based at the Chesterford Research Campus near Cambridge, UK.

Imagine being part of a pioneering organization that fosters, funds, and builds innovative life sciences companies focused on groundbreaking technologies aimed at transforming healthcare and sustainability. Montai Therapeutics is an early-stage biotechnology company that is privately owned, dedicated to developing a unique platform designed to understand and utilize complex molecular interactions to address global health and sustainability challenges. Our multidisciplinary approach combines advanced tools, including machine learning, big data, multi-omics, and high-throughput screening. At Montai, we cultivate a vibrant, forward-thinking culture committed to enhancing human health: We operate as a cohesive unit, characterized by mutual trust, empowerment, and accountability. While we each contribute our strengths, we thrive as a unified team, dedicated to excellence. We embody urgency and tenacity, with a strong belief in our capacity to effect change. We embrace discomfort as a pathway to growth, employing rigorous methods and viewing failures as valuable data points. Diversity in our workforce, thoughts, personalities, opinions, backgrounds, and uniqueness is a priority for us. We maintain a sense of humor to navigate the complexities of our strategic endeavors. About the Role We are in search of a Senior Platform Engineer who will enhance and expand our AWS-based infrastructure that underpins our products and teams. This role entails architecting the foundation that fuels our innovation and growth. You will tackle intricate engineering challenges, streamline automation processes for quicker and more dependable deployments, and construct resilient systems that empower our teams to operate at scale. Why should you consider joining us? Here, you will be at the forefront of genuine innovation, engaging with cutting-edge cloud technologies, challenging the limits of automation, and developing state-of-the-art tools that enable our users and teams to excel. If you are enthusiastic about creating platforms that yield significant impacts and wish to help define the future of technology delivery, this position is tailored for you. What You Will Do Design, build, and maintain AWS infrastructure (ECS, EC2, RDS, S3, IAM, VPC) or equivalent services from alternative cloud providers (GCP, Azure). Develop backend services and integration tools to bolster critical systems. Implement and optimize CI/CD pipelines (GitHub Actions, CodePipeline). Drive automation initiatives to ensure deployments are swift, reliable, and...

Role OverviewJoin Healx as a passionate Platform Engineer, where your expertise will be pivotal in constructing cloud infrastructure and crafting production pipelines that advance our AI-driven drug discovery initiatives. You will play a crucial role in merging infrastructure with scientific software, engaging in design, development, and support of cloud systems, while also collaborating closely with bioinformaticians, machine learning engineers, and data scientists to implement effective data pipelines.As part of a compact, dynamic engineering team, you will take ownership of your tasks, drive innovation swiftly, and engage in collaborative pair programming. Your work will have a significant impact on the future of AI drug discovery, helping to find treatments for patients suffering from rare diseases. We encourage you to attach a cover letter detailing why you believe you would excel in this position. Our Approach to AI DevelopmentOur engineers leverage AI coding tools to address challenges and efficiently implement systems, while maintaining accountability for system design, implementation, and code testing. We prioritize rapid development alongside a deep understanding of the systems we create and manage. About HealxHealx is a pioneering tech bio company harnessing AI to transform drug discovery. With over 10,000 rare diseases impacting 400 million individuals globally, 90% of which lack approved treatments, Healx is committed to revolutionizing drug discovery to support patients in need. By integrating data, artificial intelligence, and profound pharmacology knowledge, we aim to develop treatments more swiftly and cost-effectively than traditional methods. We firmly believe that diversity and inclusion are fundamental to our mission of assisting individuals with rare diseases. At Healx, we encourage applications from candidates of all backgrounds and experiences.

Join our innovative team at ttp1 as a Robotic Software Engineer. In this pivotal role, you will develop cutting-edge robotic software solutions that enhance our capabilities and drive our projects forward. Your expertise will be crucial in designing, testing, and implementing software for robotic systems, working alongside a dedicated team of engineers and scientists.If you are passionate about robotics and eager to contribute to groundbreaking technology, we invite you to apply and be a part of our journey!

This Integration Software Engineer position is based in Cambridge, UK and offers a hybrid working arrangement. The role is full-time and permanent. Salary: £65,000 - £80,000, depending on experience. The final offer will reflect relevant experience, transferable skills, and previous achievements. Applicants are encouraged to mention their preferred working schedule in the cover letter. Role overview This role focuses on integrating software solutions that support the advancement of quantum error correction (QEC) technology. Riverlane works at the intersection of quantum computing and fields such as material science, climate research, and drug design. Integration Software Engineers play a key part in developing and connecting systems that help address the technical challenges of QEC. About Riverlane Riverlane is committed to developing quantum error correction technology, aiming to unlock the full potential of quantum computers. The company partners with quantum hardware providers and government agencies to drive progress toward fault-tolerant quantum computing. With over $125 million raised, Riverlane continues to expand its research and development efforts in this area.

POS-9034About Our TeamThe Commerce Hub at HubSpot is revolutionizing how businesses sell, bill, and manage revenue seamlessly within our platform. Handling billions in customer transactions, our focus on accuracy, clarity, and reliability is paramount. We are developing an AI-first commerce ecosystem that integrates flawlessly with HubSpot’s CRM, offering a streamlined, consistent, and adaptable experience for both sellers and buyers.About the RoleWe are in search of a Principal Software Engineer to drive the technical evolution of Commerce Hub. This pivotal role demands hands-on involvement, where you will engage in coding, exploring services, evaluating complex designs, troubleshooting intricate systems, and taking ownership of the architecture for critical components in CPQ, Billing, Payments, and Revenue OS.Your ResponsibilitiesDevelop a Cohesive, Scalable PlatformInfluence the technical roadmap for CPQ, Billing, and Payments using strong, decisive patterns.Define and enhance core domain models to ensure consistent and predictable behavior for pricing, products, contracts, invoices, and payments.Create frameworks that facilitate easy extensions without increasing complexity.Be a Proactive, Impactful BuilderRegularly write code, lead design reviews, and construct impactful systems from start to finish.Manage extensive multi-team projects that encompass CPQ, Billing, and Payments.Transform prototypes into scalable production-ready solutions.Guide Architectural DirectionEstablish patterns for extensibility, contract boundaries, financial accuracy, event-driven consistency, and safe interactions between AI/agents and commerce objects.Advocate for simplicity in complex domains while maintaining consistency across surfaces.Collaborate Closely with Product LeadershipShape product strategies across CPQ, Buyer Portal, and Revenue OS.Assist teams in navigating trade-offs between speed, accuracy, compliance, and long-term platform sustainability.Elevate Organizational StandardsMentor senior engineers and technical leads.Drive informed design choices and facilitate learning from incidents and significant migrations.Encourage teams to align on best practices and strategic goals.

Collaboration Fuels Our Innovation. Join Roku, Revolutionizing Television ViewingRoku stands as the leading TV streaming platform across the U.S., Canada, and Mexico, with aspirations of transforming every television globally. As pioneers in TV streaming, our mission is to serve as the platform that unites the entire TV ecosystem, linking consumers to beloved content, enabling publishers to cultivate and monetize extensive audiences, and equipping advertisers with unique tools for consumer engagement.From day one at Roku, your contributions will be recognized and valued. We are a fast-evolving public company where every team member plays a significant role. Embrace the opportunity to delight millions of TV streamers globally while gaining invaluable experience across diverse disciplines. Role Overview At Roku, you will work on a platform utilized by real users. Showcase your achievements to friends and family, and see your work in leading electronics retailers.As a senior member of the Roku Core OS team, you will take part in designing and developing the core/system components of Roku OS. We seek a senior software engineer with profound expertise in embedded Linux development and integration.Roku boasts a proven history of creating successful products based on value SoCs, relying on our talented software engineers to optimize limited resources.We genuinely mean it when we say that Roku is a place where everyone contributes. If you aspire to work with top talent, developing products used by millions, and thrive in a tech culture that excels, we invite you to contact us. Join us in creating the next generation of cost-effective streaming players and TVs for our customers. Your Responsibilities Design and develop OS features within a multi-process environment that prioritize speed, efficiency, and platform flexibility.Exhibit excellence in C++ development to deliver high-performance and ultra-reliable software, focusing on optimization, performance, and memory management.Implement features with the necessary abstractions to ensure compatibility across various hardware.

Teamwork Makes the Stream Work. Roku is Revolutionizing Television.As the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is on a mission to empower every television globally. We pioneered the concept of streaming to TVs and aspire to connect consumers to their favorite content while enabling content publishers to grow and monetize their audiences. Advertisers can also benefit from our unique engagement capabilities.From day one at Roku, you'll be a key contributor in our dynamic and fast-growing public company, where every team member makes a significant impact. Join us to delight millions of TV streamers worldwide while gaining diverse experiences across various disciplines. About the TeamThe International TV Software team at Roku focuses on developing and delivering innovative software for television platforms in international markets, particularly in Europe and Australia. Collaborating closely with SOC partners, we aim to introduce new TV products, develop software that adheres to regional broadcast standards, and support certification with organizations like ETV, the BBC, and DTG. Our team engages in both new platform and common software development projects, contributing to both groundbreaking features and the ongoing evolution of Roku’s international TV software ecosystem. We value engineers who are inquisitive, adaptable, and eager to comprehend the full scope of the systems they work on.About the RoleAs a Software Engineer on the Regional TV Software team, you will play a vital role in developing and delivering software for regional TV platforms, engaging in both new projects and software development. You will collaborate with SOC vendors, assist in certification processes with UK and European broadcasting organizations, and contribute to defining and building new software features. This position is ideal for an early-career engineer who is curious, collaborative, and driven to expand their expertise across various areas of a complex software system.What You’ll Be DoingDeveloping and maintaining software for regional TV platforms, focusing on European and Australian markets.Collaborating with SOC vendors to support new initiatives and software projects.

Join Engine as a Senior Associate in Community OperationsAt Engine, we empower visionary founders who are tackling the world's most critical challenges in areas such as climate change, health, and advanced technologies. Our commitment includes providing robust support through founder programs, access to shared infrastructure and labs, and the opportunity to connect with a diverse national network of corporate partners, investors, and industry experts.

About Graphcore At Graphcore, we are pioneering the next generation of AI computing technology. Our team comprises industry-leading experts in semiconductors, software, and artificial intelligence, dedicated to developing a comprehensive AI compute stack that spans from silicon innovations to extensive data center infrastructure. As a proud member of the SoftBank Group, we are supported by substantial long-term investments, enabling us to advance critical technologies within the rapidly evolving SoftBank AI ecosystem. To capitalize on the immense opportunities in AI, Graphcore is expanding its global workforce. We are uniting the brightest minds to tackle the most challenging problems in an environment where every individual can significantly influence the organization, our products, and the future of artificial intelligence.

Your Contribution at Lila Sciences Lila Sciences is seeking a passionate Software Engineer to spearhead the development of cutting-edge Lab Instrument Integration Software, a crucial element of our AI-powered laboratory ecosystem. We want innovative thinkers who thrive at the intersection of software, science, and hardware, delivering impactful solutions that propel scientific advancements. Key Responsibilities Lab Instrument Software Development: Design and implement reliable software that facilitates seamless communication between robotic systems and automation hardware (e.g., robotic arms, liquid handlers, sensors) and control software, guaranteeing effective hardware integration. System Integration: Integrate lab instruments into our next-gen AI-driven lab automation framework, managing intricate connections between cloud and edge infrastructures, along with device execution. Testing and Debugging: Conduct comprehensive testing, debugging, and troubleshooting of drivers to pinpoint, isolate, and resolve performance issues, bugs, and compatibility hurdles. Technical Documentation: Develop, revise, and maintain thorough documentation for driver interfaces, APIs, and integration procedures, ensuring clarity for internal teams and end-users. Collaboration and Support: Partner with cross-functional teams, including hardware engineers, software developers, product managers, and end-users, to provide technical assistance and resolve integration challenges efficiently. AI-Driven Development: Leverage advanced coding models and development tools to enhance the speed and quality of software delivery. Qualifications for Success Proficiency in Python, C#/.NET, or other programming languages/frameworks is essential. Proven experience in debugging and problem-solving, particularly in hardware-software integration contexts. Strong analytical skills and a methodical approach to troubleshooting complex technical challenges. Excellent verbal and written communication skills to facilitate effective collaboration within multidisciplinary teams. Bonus Qualifications A keen interest or background in science. Experience in developing software for laboratory instruments.

Teamwork makes the stream work. Join Roku in transforming the way the world experiences televisionAs the leading TV streaming platform across the U.S., Canada, and Mexico, Roku is dedicated to revolutionizing the viewing experience for people everywhere. We have pioneered streaming technology and seek to unify the TV ecosystem, connecting viewers with their favorite content while empowering content creators to reach vast audiences and providing advertisers with innovative engagement tools.From day one at Roku, you will make significant contributions in a thriving public company where every team member plays an essential role. This is an opportunity to impact millions of TV streamers globally while acquiring valuable experience across various fields. About the RoleIn this senior software engineering position, you will be responsible for the architecture, design, implementation, and testing of the run-time and native renderer components of Roku's innovative software development kit (SDK). Collaborate closely with fellow engineers who focus on the higher-level scripting elements of the SDK.At Roku, we take pride in creating software and features that function seamlessly on both our oldest and newest devices. Hence, it's crucial that the SDK is designed to operate efficiently even on devices with minimal system resources like RAM, Flash memory, and CPU. What you’ll be doingArchitecting, designing, implementing, and testing the run-time and native renderer of Roku's SDK.

Teamwork makes the stream work. Roku is revolutionizing the way the world experiences televisionAs the leading TV streaming platform in the U.S., Canada, and Mexico, Roku is dedicated to powering every television globally. We pioneered the streaming experience and are on a mission to connect the entire TV ecosystem. We link consumers to their favorite content, empower publishers to build and monetize vast audiences, and offer advertisers unparalleled opportunities to engage viewers.Your journey at Roku begins with impactful contributions. As a rapidly expanding public company, every team member plays a vital role. Join us in delighting millions of TV streamers worldwide while gaining invaluable experience across diverse fields. About This TeamThe Embedded teams focus on device firmware, platform features, and the integration of system-on-chip (SoC) components, emphasizing reliability, performance, and seamless user experiences across devices and TVs. About the InternshipJoin Roku’s embedded software team as a Software Engineer Intern, where your enthusiasm for technology and creativity will be pivotal to our success. This paid internship lasts for 12 weeks, starting in Summer 2026.As an Embedded Software Engineer Intern, you will tackle a specific project that enhances our embedded stack, such as implementing a new feature, improving performance, or developing automation enhancements to ensure the delivery of high-quality software across devices. Your ResponsibilitiesLead a project in the embedded sphere; possible tasks include implementing a feature, optimizing memory/performance, or creating automated tests for a system module.Utilize C++ on Linux-based systems; employ debugging and analysis tools to reproduce, isolate, and resolve issues.Collaborate with engineers across firmware, platform services, and quality assurance to ensure reliable delivery. Preferred QualificationsCurrently pursuing a degree in Computer Science, Engineering, or a related field.Proficiency in C++ (experience with modern C++ is a significant advantage).Familiarity with development and debugging on Linux-based embedded platforms.

KAYAK, a proud member of Booking Holdings (NASDAQ: BKNG), stands as a premier travel search engine, processing billions of queries to assist customers in discovering their ideal flight, accommodation, rental car, and vacation package. Our innovative corporate travel solution, KAYAK for Business, is redefining business travel.Joining KAYAK means becoming part of a dynamic travel organization that encompasses a variety of global metasearch brands, including momondo, Cheapflights, and HotelsCombined. Our journey from a startup to an industry frontrunner is fueled by innovation, and every team member is empowered to leave their mark. Our mission is to develop the most effective travel search engine, simplifying global exploration for everyone.We are seeking talented Java Backend Engineers to enhance and sustain KAYAK’s search and booking systems. If you are passionate about travel and committed to crafting reliable and user-friendly experiences, we invite you to apply.This position requires in-office work at our Cambridge, MA location at least 3 days a week.

Join Riverlane as a Senior Software Engineer specializing in modelling, where you will leverage your expertise to develop cutting-edge software solutions. In this role, you will collaborate with a talented team of engineers and scientists to innovate and optimize our modelling capabilities. Your contributions will drive the advancement of technology in a dynamic and supportive environment.

We are seeking a talented Automation Software Engineer to join our dynamic team at ttp1. In this role, you will be responsible for developing and implementing automation solutions that enhance our software products and services. Your expertise will play a critical role in optimizing our processes and ensuring the highest standards of software quality. If you are passionate about automation, have a strong background in software engineering, and thrive in a collaborative environment, we want to hear from you!