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Senior / Principal Research Engineer in LLM Synthetic Data

Lila Sciences

Full-time|$224K/yr - $336K/yr|On-site|Cambridge, MA USA; San Francisco, CA USA

Your Impact at Lila As a Senior or Principal Research Engineer specializing in Synthetic Data, you will play a pivotal role in shaping the vision, roadmap, and execution of our synthetic data initiatives. Your responsibilities will span from asset generation and simulation to integrating machine learning training and achieving measurable enhancements in mode…

Mar 25, 2026

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Senior Photonics Process Development Engineer

HyperLight

Full-time|$125K/yr - $185K/yr|On-site|Cambridge, Massachusetts, United States

HyperLight, located in Cambridge, Massachusetts, develops thin-film lithium niobate (TFLN) integrated photonics for scalable optical components. Since 2018, the company has supported sectors such as AI and datacom infrastructure, hyperscale computing, quantum computing, and sensing. HyperLight’s TFLN Chiplet™ platform enables modular, integrated system design and supports manufacturability for complex applications. Role overview The Senior Photonics Process Development Engineer leads efforts to develop, refine, and scale fabrication processes for the TFLN platform. This position involves working directly with customers, especially in quantum computing and other emerging areas, to turn technical requirements into robust, scalable manufacturing processes. The role also manages advanced process node development and coordinates process variations to improve device performance. What you will do Define and optimize next-generation and custom fabrication processes for high-performance TFLN photonic integrated circuits (PICs). Collaborate with customers and suppliers to develop processes that meet immediate and future performance needs. Coordinate with internal teams in design, testing, and production to manage development tapeouts, oversee production, and support wafer-level testing. Collaboration and impact This role involves cross-functional work within HyperLight, including direct interaction with customers and suppliers. The Senior Photonics Process Development Engineer helps shape fabrication strategies for new applications and ensures timely delivery of solutions.

Apr 21, 2026

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CUDA Kernel Engineer (Remote US)

Pragmatike

Full-time|Remote|Cambridge

Location: Remote USStart Date: ASAPLanguages: English (required) Pragmatike is an AI startup founded by MIT CSAIL researchers and recognized as a Top 10 GenAI company by GTM Capital. The team builds large-scale AI systems for Fortune 500 organizations. Role overview This CUDA Kernel Engineer position centers on building and optimizing NVIDIA CUDA kernels from the ground up. The work aims to improve GPU performance for demanding AI workloads. Deep understanding of NVIDIA GPU architecture, memory hierarchies, warp-level execution, and profiling tools is essential. Contributions in this role support the efficiency, throughput, and scalability of Pragmatike's AI systems. What you will do Design, implement, and optimize custom CUDA kernels for NVIDIA GPUs, focusing on occupancy, memory throughput, and warp efficiency. Profile GPU workloads using tools such as Nsight Compute, Nsight Systems, nvprof, and CUDA-MEMCHECK. Identify and resolve performance bottlenecks, including warp divergence, uncoalesced memory access, register pressure, and PCIe transfer overhead. Improve GPU memory pipelines (global, shared, L2, texture memory) and ensure effective memory coalescing. Work closely with teams focused on AI systems, model acceleration, and backend distributed systems. Contribute to GPU architecture decisions, kernel libraries, and internal performance engineering practices. Requirements Hands-on experience developing NVIDIA CUDA kernels from scratch, not just using existing libraries. Strong skills in kernel optimization, including tiling, occupancy tuning, shared memory layout, and warp scheduling. Thorough understanding of CUDA threads, warps, blocks, grids, GPU memory hierarchy, and memory coalescing, with expertise in detecting and reducing warp divergence. Background in diagnosing PCIe bottlenecks and optimizing data transfers.

Apr 22, 2026

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Senior UI/Frontend Engineer - AI Solutions

Pragmatike

Full-time|On-site|Cambridge

Location: Cambridge, MA (Eastern Time / UTC -4)Relocation package: AvailableStart date: ASAPLanguages: English (required)About the RoleAt Pragmatike, we're on the lookout for a talented Senior UI / Frontend Engineer to join a dynamic AI startup that has been recognized as one of the Top 10 GenAI Companies by GTM Capital. Founded by esteemed researchers from MIT CSAIL, our team is dedicated to delivering cutting-edge AI solutions.In this role, you will leverage your extensive experience in developing high-quality, high-performance user interfaces tailored for complex, data-rich AI products utilized by Fortune 500 clients. This position is perfect for an engineer who places a premium on User Experience (UX), performance, and sustainable frontend architecture. You will take ownership of features from inception to deployment, collaborating closely with design and backend teams to produce polished, production-ready interfaces that scale effectively.Your ResponsibilitiesDesign and maintain modern, production-ready web interfaces utilizing React and TypeScript.Transform product specifications and design systems into clean, scalable UI components.Oversee the development of complex frontend features, managing everything from implementation to production support.Enhance UI performance for large datasets, real-time updates, and high-traffic dashboards.Work collaboratively with product, design, and backend teams to deliver user-facing features.Establish frontend best practices concerning state management, testing, and code quality.Advance frontend architecture, tooling, and developer experience.Troubleshoot and resolve production UI issues across various browsers and devices.QualificationsMinimum of 5 years of experience as a Frontend / UI Engineer.Demonstrated expertise with React and TypeScript in live production environments.Deep understanding of modern frontend architecture and component-based design principles.Proven experience in creating responsive, accessible, and high-performing user interfaces.Familiarity with frontend build tools, bundlers, and CI/CD processes.Ability to work effectively in a fast-paced, collaborative environment.

Mar 3, 2026

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Senior Research Engineer, Mechanical Intelligence in Multimodal Models

Toyota Research Institute

Full-time|On-site|Los Altos, CA; Cambridge, MA

At Toyota Research Institute (TRI), we are dedicated to enhancing the quality of human life through innovative technology. Our mission is to develop advanced tools and capabilities that enrich the human experience. To spearhead this transformative evolution in mobility, we have assembled a premier team that is at the forefront of advancements in AI, robotics, driving technologies, and materials science.The TeamThe Future Factory team within TRI's Energy and Materials division is committed to pioneering state-of-the-art tools and methodologies that expedite change while enhancing flexibility and efficiency in Toyota's product design and manufacturing processes. Our goal is to accelerate the transition to a zero-emissions future. To accomplish this, we are constructing comprehensive AI systems that can reason about the design and manufacture of physical objects—encompassing geometry, constraints, simulation, and assembly—and creating the engineering infrastructure necessary for training, evaluating, and iterating on these systems at scale.The OpportunityWe are seeking a Senior Research Engineer to collaborate with us in developing the systems and tools that drive our research in physical AI. This role is ideal for candidates with a robust software engineering background, extensive experience in geometry or physical modeling, and a genuine passion for understanding the manufacturing process.As a research engineer on our team, you will design and construct the pipelines and tools that enable researchers to operate swiftly and assess what matters most—ranging from large-scale training and evaluation frameworks to the geometry processing and physics-aware components integral to our models. You will work at the intersection of software engineering and research, translating cutting-edge concepts into reliable, production-ready implementations.

Apr 2, 2026

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Geospatial Project Manager

1Spatial Group Limited

Full-time|Hybrid|Cambridge, England, United Kingdom

Role Overview 1Spatial Group Limited is hiring a Geospatial Project Manager to join the team in Cambridge, UK. This is a full-time, permanent position with a hybrid work arrangement (remote options may be available for highly experienced candidates). The role centers on managing and delivering complex projects within our geospatial software and services portfolio. What You Will Do Lead planning, execution, monitoring, and closure of geospatial and software projects. Manage project scope, schedules, budgets, and resources to meet objectives. Work closely with cross-functional teams, including product management, development, sales, and professional services. Communicate clearly with stakeholders, providing updates and managing expectations throughout the project lifecycle. Identify and address project risks and issues as they arise. Apply project management best practices and seek ways to improve processes. Ensure compliance with company policies, standards, and customer requirements. Who We’re Looking For Experienced project manager with a background in the geospatial domain. Comfortable working at SFIA Level 4 or 5, with evidence of managing projects in a technical or software environment. Strong skills in stakeholder engagement and cross-team collaboration. Ability to balance multiple projects and priorities effectively. Location and Work Arrangement This role is based at 1Spatial HQ in Cambridge, UK, with a hybrid work model. For candidates with significant experience, remote work may be considered.

Apr 17, 2026

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C# Developer at dev2 | Cambridgeshire

dev2

Full-time|On-site|Cambridgeshire

Join our innovative team at dev2 as a C# Developer. You will play a pivotal role in designing, developing, and maintaining robust software solutions using C#. Your expertise will help us enhance our product line and deliver exceptional value to our clients.

Jan 22, 2023

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Senior Lead Quality Assurance Analyst

Integrated Resources Inc.

Full-time|On-site|Cambridge

Join our dynamic team at Integrated Resources Inc. as a Senior Lead Quality Assurance Analyst, where you will play a crucial role in ensuring the highest quality of our software products. In this leadership position, you will oversee QA processes, mentor team members, and collaborate with cross-functional teams to enhance our testing strategies.Your expertise will guide the development of test plans, execution of test cases, and the implementation of best practices in QA methodologies. We are looking for a passionate individual who thrives in a fast-paced environment and is committed to delivering exceptional software quality.

Mar 10, 2015

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Cloud Computing Engineer - Trainee

ecareers

Full-time|Remote|Remote — Cambridge, England, United Kingdom

NO EXPERIENCE NECESSARY, FULL TRAINING PROVIDEDEmbark on an exciting new career in Cloud Computing with us!The demand for IT Technicians, AWS Cloud Computing Professionals, and Cyber Security Experts is skyrocketing due to a significant skills gap in the industry. Our extensive network of employers is eager to hire newly trained tech professionals, particularly in the field of Cloud Computing.As part of our Career Academy Programs, we facilitate connections between our students and a diverse range of employers to fill critical tech positions in this thriving sector.Join our complimentary AWS Webinar this weekend by clicking 'Apply for this job', and we will promptly send you the joining link.*Please note: The webinar is informational only and does not guarantee job placement.

Feb 26, 2026

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Senior Maintenance Mechanic

Integrated Resources Inc.

Full-time|On-site|Cambridge

We are seeking a highly skilled Senior Maintenance Mechanic to join our team in Cambridge. In this role, you will be responsible for performing complex mechanical repairs and maintenance on various equipment and machinery. The ideal candidate will possess a strong mechanical aptitude, exceptional problem-solving skills, and the ability to work independently as well as part of a team.

May 18, 2015

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AWS Architect

Arete Technologies, Inc.

Full-time|On-site|Cambridge

Are you an experienced AWS Architect looking to make an impact? Join Arete Technologies, Inc. and leverage your expertise in Amazon Web Services (AWS) provisioning and deployment. You will be responsible for automating processes and utilizing AWS technologies such as Elastic Compute Cloud (EC2), Simple Storage Service (S3), and CloudFormation. Your role will also involve creating infrastructure qualification documents, executing test plans, and collaborating with IT Quality Teams for document approval. Strong written and verbal communication skills are essential for success in this role.

Aug 23, 2017

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Lead Device Development for Drug Delivery Systems

TTP Group

Full-time|On-site|Cambridge

We are seeking an experienced and innovative Device Development Lead to spearhead our efforts in advancing Drug Delivery Systems. The ideal candidate will possess a deep understanding of device development, coupled with a passion for enhancing patient outcomes through cutting-edge technology.Your role will involve leading cross-functional teams, driving product design, and ensuring compliance with regulatory standards. You will also be responsible for conducting feasibility studies, prototyping, and overseeing the entire development lifecycle from concept to clinical trials.

Aug 8, 2025

Advanced Developer with Java, JavaScript, and SQL Expertise

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