Senior Process Development Engineer

We are seeking a highly skilled Senior Process Development Engineer to join our dynamic team. In this pivotal role, you will be responsible for leading the development and optimization of manufacturing processes to enhance product quality and efficiency. Your expertise will drive innovation as you collaborate with cross-functional teams to implement cutting-…

At Klaviyo, we celebrate the diverse backgrounds, experiences, and perspectives that each Klaviyo (we affectionately call ourselves Klaviyos) brings to our dynamic workplace. We believe that everyone deserves a fair opportunity to succeed and value the unique experiences each individual contributes beyond traditional job qualifications. If you feel you’re a close match to the description, we encourage you to apply and explore the possibilities with us. To learn more about life at Klaviyo, visit klaviyo.com/careers to discover how we empower creators to forge their own paths.About the RoleWe are on the lookout for a Senior Full Stack Engineer to spearhead vital initiatives that will elevate our product offerings and drive the growth of our company. In this pivotal role, you will play an instrumental part in developing innovative, end-to-end solutions utilizing both front-end and back-end technologies. Your efforts will optimize our existing products while creating groundbreaking solutions that expand the horizons for our customers.As a Senior Engineer, you will confront complex challenges, devise multiple solutions, and assess both business and technical trade-offs to determine the optimal course of action. You'll also assume a leadership role by mentoring team members and guiding essential technology decisions. Your responsibilities will include deploying meticulously designed and thoroughly tested solutions that guarantee reliability and performance.The New Products team is at the forefront of Klaviyo’s most daring innovations, driving the development and scaling of our boldest new ventures. As a fast-moving team with a flat structure, we prioritize simplicity, speed, and significant impact. Each member is expected to take radical ownership—collaborating across disciplines and going beyond conventional role boundaries to ensure success. Excelling in this position means delivering outstanding work that sets a benchmark for speed and results across the company, while also contributing to shaping Klaviyo’s future through creativity and executional excellence.What We’re Looking ForA proven history of constructing high-quality products and systems, with a strong emphasis on writing clean, efficient code.7+ years of experience in software engineering roles.Extensive expertise in developing comprehensive software solutions or significant experience in full-stack development.

We are seeking a highly skilled Senior UI Developer with over a decade of experience in Web UI development. The ideal candidate should have at least 12 months of recent experience with React and Redux. Candidates with lighter React.js experience but strong expertise in D3.js are also encouraged to apply.The successful applicant will demonstrate exceptional proficiency in core web technologies such as the DOM, JavaScript, and CSS.Extensive experience with the React.js library is required, along with solid knowledge of at least one of the following libraries: Ext JS, AngularJS, Backbone.js, or Bootstrap.A genuine passion for creating impactful visualizations on the web and a strong sense of craftsmanship are essential qualities for this role.Experience in the investment sector is a valuable bonus.Applicants are strongly encouraged to provide screenshots of previous work or a link to an online portfolio, as those who do will receive priority consideration.

Deciphera Pharmaceuticals is seeking a highly skilled and experienced Senior Medical Director of Clinical Development to lead our clinical research initiatives. In this pivotal role, you will oversee the design and execution of clinical trials and collaborate closely with cross-functional teams to advance our innovative therapies. The ideal candidate will have a deep understanding of clinical development processes and a proven track record in leading successful trials.

Company Overview Metaphore Biotechnologies, Inc. is a pioneering biotechnology firm dedicated to developing the next generation of biological therapeutics. Our mission is to revolutionize patient care by harnessing the potential of biological therapeutics through an innovative mimic-discovery platform. Position Overview We are actively looking for a Senior Director of CMC Development & External Manufacturing to spearhead the comprehensive CMC strategy and execution for our biologics programs. This role entails significant accountability for formulating drug substance and drug product processes in collaboration with external manufacturing partners (CDMOs). The successful candidate will oversee the integrated CMC plan encompassing strategy, timelines, budgets, and risk management, while partnering with key internal stakeholders to ensure a smooth transition into late-stage CMC operations, thereby supporting regulatory submissions and clinical supply requirements.

Flagship Pioneering Inc. is known for launching and nurturing life sciences companies that focus on advancing human health and sustainability. Since 2000, the organization has created over 100 ventures, including Moderna Therapeutics, Rubius Therapeutics, Sana Biotechnology, Generate Biomedicines, and Tessera Therapeutics. These efforts have led to a combined value exceeding $212 billion and recognition on Fortune’s “Change the World” list in 2021. FL116, a Flagship-backed biotechnology company, is developing a new platform for synthesizing biomolecules used in research, diagnostics, and therapeutics. The team values creative problem solvers who want to drive change in biotechnology and therapeutic innovation. Role overview The Senior Manager of Corporate Development and Enablement partners closely with the President to drive strategic and operational initiatives. This role covers corporate development, partnerships, investor and board communications, operations, and product strategy informed by market needs. Success in this position requires collaboration with both scientific and business leaders, translating complex technical and market insights into clear strategies and actionable plans. The environment is early-stage and fast-evolving, so adaptability and a structured, analytical approach are essential. What you will do Report directly to the President, preparing internal and external presentations and reports, including materials for the board and investor pitches. Facilitate weekly leadership team meetings, set agendas, and track action items from discussions. Oversee major external partnerships, ensuring projects stay on schedule and within budget. Requirements Strong ability to navigate ambiguity and solve problems methodically. Experience shaping and executing strategy in an early-stage biotechnology or similar context. Skilled at collaborating across scientific and business teams.

We are on the lookout for an enthusiastic and driven Senior Scientist II to become an integral part of the Purification Development team within the Biologics Drug Substance Development organization at AbbVie. Our team is tasked with the comprehensive development journey, spanning from initial human process development to late-stage optimization, scaling up processes, transferring technology to clinical and commercial sites, and characterizing processes across all biologics modalities at the AbbVie Bioresearch Center in Worcester, MA. We are at the forefront of creating innovative downstream technologies and generating valuable intellectual property that leads to cost-effective manufacturing processes.The primary objective of our downstream team is to create robust manufacturing processes and foster innovative technologies grounded in strong scientific principles. The ideal candidate will possess extensive biologics purification experience and a fervor for hands-on laboratory process development. You will be expected to spearhead the identification and development of cutting-edge approaches and technologies to enhance process development efficiency and commercialization. A collaborative nature is essential as you will be addressing process challenges across diverse projects, contributing to cross-functional teams, and taking a leadership role in devising and implementing solutions.Key Responsibilities:Function effectively as a Principal Scientist, generating innovative technical concepts and research or development strategies.Lead the development, optimization, scaling, and tech transfer of purification processes for biologics candidates to support both early and late-stage development.Champion the purification development team and actively shape development strategies within cross-functional CMC teams.Oversee the transfer of processes to pilot and GMP manufacturing environments.Engage in hands-on laboratory operations in collaboration with direct reports and/or purification development team members to achieve project milestones.Exhibit creative problem-solving abilities and advocate for new technologies to fulfill project objectives. Actively pursue new tools, techniques, and strategies to enhance the overall downstream platform.Advance scientific expertise and showcase leadership by advising and sharing expert insights with subordinates, peers, and senior management.Develop new scientific proposals and lead these initiatives. Anticipate and critically assess scientific or regulatory advancements or competitive threats and respond with effective new strategies.Prepare technical publications, reports, presentations, and regulatory submissions, including publishing research in peer-reviewed journals and presenting findings at scientific conferences.

Electric Hydrogen is dedicated to revolutionizing the energy landscape by producing hydrogen through renewable electrolysis, aiming to decarbonize heavy industries at prices that compete with fossil fuels. Our talented team is our greatest asset, and we are committed to fostering innovation and sustainability in our operations.We seek a highly skilled Senior Process Development Engineer to join our dynamic team in Devens, MA. Reporting directly to the Manager of Process Development Engineering, you will spearhead the implementation of assembly and lamination processes to facilitate the introduction of new products. Collaborating closely with design, integration, and manufacturing teams, you will ensure the efficiency and effectiveness of our current manufacturing processes.

Are you a dynamic and results-oriented sales professional who excels in consultative selling and is passionate about fostering long-lasting client relationships? If this resonates with you, then Triumvirate Environmental, one of North America's largest environmental services firms, invites you to apply for the position of Senior Business Development Manager in Somerville, MA.We seek a proactive, ambitious individual who thrives on relationship-building, closing deals, and significantly impacting our clients' success. The ideal candidate will be committed to expanding Triumvirate's market presence across North America by providing tailored solutions that meet our clients' needs.This role demands a strategic sales approach, leveraging industry knowledge to drive growth and innovation within our services. Join us in making a difference in the environmental sector!

At ezCater, we are the premier technology platform for workplace food solutions in the U.S., connecting businesses in need of food with a vast network of over 100,000 restaurants across the nation. Our services range from regular employee meals to catering for special events, all supported by our dedicated 24/7 customer service team. Our customizable platform empowers companies to manage their food expenditures efficiently. For our restaurant partners, we facilitate growth by increasing their orders and attracting high-value customers. We are proud to be backed by leading investors such as Insight, Iconiq, Lightspeed, GIC, SoftBank, and Quadrille.Position Overview: We are seeking a driven Marketing Development Representative to join our dynamic Enterprise Marketing team, focusing on scaling our rapidly growing Enterprise business. In this critical role, you will enhance our sales cycle by collaborating closely with both marketing and sales teams, ensuring that no lead is overlooked. You will engage and nurture leads generated from various digital marketing initiatives and events to boost our qualified lead conversion rates and meet our ambitious growth objectives.

Role overview As a Senior Product Designer at jobgether, the focus is on defining and improving how users interact with our products. This remote role is open to candidates based in Massachusetts. What you will do Partner with teams from different disciplines to create design solutions that enhance the user experience Offer creative input to boost product engagement and usability Shape both the visual style and interaction patterns of new and existing features Team collaboration Work in a setting where designers, product managers, and engineers actively collaborate. The team values building products that make a difference and relies on open communication and shared problem-solving.

As a Senior Chief of Staff at Jobgether, you will play a pivotal role in shaping our strategic initiatives and driving operational efficiencies across the organization. This fully remote position offers an exciting opportunity to collaborate with senior leadership, streamline operations, and implement innovative solutions that propel our mission forward. Your insights and leadership will be crucial in fostering a culture of continuous improvement and excellence.

At Real Chemistry, our mission is to enhance global health—this is our daily commitment. We leverage our profound scientific knowledge, human-centered creativity, and AI-powered insights to foster an environment where innovation flourishes and our team is dedicated to making an impact. As a leading global agency, we offer a comprehensive range of services in healthcare communications and marketing to esteemed clients in the pharmaceutical and biotech sectors.Our culture, #LifeatRealChem, is deeply rooted in our people. We believe in the power of collaboration and are committed to excellence for our clients and colleagues alike. Whether you are an experienced professional or just embarking on your career, if you share our enthusiasm for healthcare and connectivity, we encourage you to explore the opportunities available.Discover your purpose. Embrace innovation. Experience #LifeatRealChem.Real Chemistry is actively seeking a Senior Group Director of Business Development to join our growth team in the U.S.!This is a hybrid role, based in or near one of our U.S. locations.We are in search of a senior-level, strategic, and enterprise-minded growth leader who can drive high-impact new business pitches, major organic growth initiatives, and capability expansion across our healthcare portfolio. Reporting to the Head of Business Strategy and Growth, you will:Enhance the pitch process, ensuring submissions are cohesive, compelling, and aligned with the agency's strengths. Propel cross-enterprise business development efforts in sync with capabilities and global markets. Lead a matrixed team across various markets and capabilities to elevate performance. Create content, tools, and scalable processes in collaboration with corporate and capability teams.This role is highly visible within Real Chemistry’s growth leadership team, with a clear objective to boost revenue, enhance win rates, develop scalable strategies, and ensure alignment with evolving market demands across the pharmaceutical, biotech, and life sciences sectors.

Spear Bio, established in 2021, is an innovative and well-capitalized biotechnology startup based in Woburn, Massachusetts. Our cutting-edge technology, Successive Proximity Extension Amplification Reaction (SPEAR), represents a groundbreaking wash-free immunoassay platform that delivers unmatched sensitivity. We are committed to transforming early disease diagnosis and monitoring, providing scalable and ultra-sensitive solutions that achieve unparalleled accuracy in detecting low-abundance biomarkers, thereby empowering clinicians and researchers to enhance patient outcomes and drive global health advancements.We are currently seeking a Scientist or Senior Scientist with a robust background in immunoassay Product and Process Development. The ideal candidate will be instrumental in the development, optimization, and commercialization of next-generation immunoassay products and processes. As a subject matter expert, you will address assay troubleshooting, drive continuous improvement, and ensure the robustness, reproducibility, and scalability of Spear Bio's offerings.

Join Whoop as a Senior Product Manager, where you will play a pivotal role in enhancing our platform capabilities. In this position, you’ll collaborate with cross-functional teams to define product strategy, prioritize features, and deliver innovative solutions that address user needs. Your expertise in product management will be crucial as you guide the development of a world-class platform that empowers athletes and fitness enthusiasts to optimize their performance.

Flagship Pioneering brings together scientists and entrepreneurs to launch companies that address major challenges in health, sustainability, and technology. The organization supports innovators with capital and resources, helping them advance projects in disease detection, treatment, agriculture, and artificial intelligence. Flagship’s portfolio companies have contributed to global vaccination efforts, developed new therapies, and improved agricultural sustainability. The company has received recognition from FORTUNE and Fast Company for its impact and innovation. Role overview The Senior Research Associate in Formulation Development will join a team focused on designing and optimizing dried powder formulations. This position centers on hands-on work with techniques such as lyophilization and spray drying, supporting early-stage platform development. The role calls for experimental precision, strong data analysis, and a collaborative approach to problem-solving. What you will do Design, execute, and refine dried powder formulations using lyophilization and spray drying methods. Prioritize stability, reproducibility, and performance across different formulation types. Collaborate with process development teams to ensure powder formulations are stable and scalable. Develop experimental plans, interpret data, and help establish best practices for formulation screening, characterization, and documentation. Requirements Experience with formulation development, especially dried powders. Hands-on skills in lyophilization and spray drying. Ability to design experiments, analyze results, and document findings. Comfort working in an early-stage, collaborative environment.

Join our dynamic team at Jobgether as a Senior Financial Accountant. This is a fully remote role where you will leverage your expertise in financial reporting and analysis to drive business decisions. You will be responsible for managing financial statements, ensuring compliance with accounting standards, and contributing to the overall financial strategy of the organization.If you are a proactive financial professional with a passion for accuracy and excellence, we want to hear from you!

Join our dynamic team as a Senior Accounting Manager in a fully remote capacity. This is an exciting opportunity for an experienced accounting professional to lead financial operations and contribute to strategic decision-making processes. You will be responsible for overseeing the accounting department, ensuring compliance with financial regulations, and providing accurate financial reporting.

Join CGS Federal as a Senior APEX Developer in Boston, MA, where you will contribute significantly to our mission of providing innovative solutions to governmental challenges. This full-time role within the Legal Department requires Top Secret Clearance and is ideal for a passionate developer eager to support legal accounts through advanced Oracle APEX applications.As a part of our dynamic team, you will leverage your technical skills to design, code, debug, and maintain high-quality applications, ensuring they meet the evolving needs of our clients. Your adaptability to shifting priorities and ability to work under pressure will be vital for success in this role.

Role overview jobgether seeks a Senior Program Manager to lead strategic programs and ensure strong project execution. This remote role is based in Massachusetts and focuses on delivering results across multiple initiatives. What you will do Direct and coordinate major initiatives from initial planning through final delivery Collaborate with cross-functional teams to set shared goals and establish timelines Oversee projects to completion, upholding quality and efficiency standards Promote clear communication among all stakeholders throughout each project phase Use project management methods to streamline processes and improve outcomes Requirements Proven experience in program or project management Background working with multiple teams and stakeholders Strong leadership and organizational skills Ability to manage priorities and deliver results in a remote environment