Domain-Specific Language Engineer

About the PositionJane Street is seeking a skilled Software Engineer with extensive experience in programming languages to join our dynamic team. Our OCaml Language team is dedicated to enhancing the OCaml programming language, serving as the backbone of our expanding technology stack. We collaborate closely with the broader OCaml community to address various aspects of the language, making it more accessible for developers to articulate their ideas in OCaml, improving the performance of the generated code, and optimizing the OCaml compiler for better speed and usability.Throughout the years, our team has made significant advancements, including extending the type system to support innovative language features, completely re-engineering the optimizer, and introducing feedback-directed optimization. We also work on enhancing the surrounding toolchain, developing tools for profiling, debugging, and documentation generation. The majority of our projects are open-source, and we strive to contribute as much as possible back to the mainstream OCaml compiler.About YouWe are looking for candidates with several years of practical experience in language design and implementation within industrial settings for this specialized role on the OCaml Language team. While research experience and publications in programming languages are advantageous, they are not mandatory. Previous knowledge of OCaml or functional programming languages is not a requirement.

About BasisBasis is a pioneering nonprofit organization dedicated to applied AI research, driven by a dual mission.Firstly, we aim to deepen our understanding and development of intelligence. This involves establishing the mathematical foundations of reasoning, learning, decision-making, understanding, and explanation, along with creating software that embodies these principles.Secondly, we strive to enhance society’s capacity to tackle complex challenges. This means broadening the scale and complexity of the problems we can address today, while also accelerating our future problem-solving capabilities.To realize these aims, we are constructing an innovative technological framework inspired by human reasoning and fostering a collaborative organization that prioritizes human values.About the RoleAs a Research Scientist at Basis, you will play a crucial role in advancing our understanding of the theoretical, mathematical, and computational principles underlying intelligence.Our Research Scientists possess key characteristics:Outstanding technical expertise—strong mathematical and computational foundations.A creative builder’s mindset—capable of designing, constructing, and refining complex systems based on foundational principles.Commitment to scientific rigor—engaging in high-quality, robust scientific inquiry without hesitance to experiment, learn from mistakes, and explore unconventional ideas.At Basis, collaboration is key, both within our teams and with external partners. We seek individuals who thrive in collaborative environments and are eager to tackle challenges that transcend individual capabilities.Programming Languages Research ScientistsThis role is tailored for experts in the design, implementation, and analysis of programming languages. You will assist in the design and implementation of the foundational computational reasoning systems under development at Basis.Key focus areas of programming languages research include compiler design, partial evaluation, program analysis, abstract interpretation, and program transformation. This work is conducted within the context of constructing reasoning systems, leading to engagement with topics such as probabilistic programming, automatic differentiation, and SAT/SMT solvers.Expectations:Possess a PhD (or equivalent experience) in a relevant field.

At EngFlow, we empower developers to streamline their software building and testing processes. Our innovative cloud-based and distributed service significantly enhances developer workflows through remote execution and intelligent caching, resulting in improved efficiency, productivity, and product quality.Backed by leading investors, EngFlow is at the forefront of transforming the software development landscape. We deliver solutions that accelerate builds by tenfold or more, while our observability platform offers actionable insights for optimization. Founded by prominent contributors to Bazel, we create tools that enable engineering teams—from dynamic startups to established Fortune 500 companies—to boost developer velocity and enhance build performance.Find out about our mission, culture, and team: EngFlow | Watch our VideoAs a Software Engineering Manager specializing in build systems, compilers, and programming languages, you will lead a talented engineering team and spearhead the development of pivotal features for our platform. You will have a significant impact on collaborative projects involving Bazel, gRPC, Goma, Soong, CMake, and other open-source initiatives, addressing intricate scalability and performance challenges. This role presents abundant opportunities to explore cutting-edge technology and contribute to a scalable product utilized by some of the most exciting tech companies globally.You will report directly to the Head of Product Engineering, and your responsibilities will encompass project leadership, team management, and direct contributions to product and platform engineering. Over time, this position may evolve from an individual contributor role to a managerial position.

About the PositionJane Street is seeking a skilled Software Engineer with expertise in language compilers and runtime systems. You will join our dedicated team, responsible for maintaining a robust framework utilized across various applications, including financial modeling, risk assessment, and custom alert notifications. Our innovative system processes a complex, dynamic graph of user-defined computations in real-time and in parallel. We are particularly dedicated to enhancing performance and scalability while tackling challenges related to programming language implementations, efficient computation graph scheduling, and precise resource usage metrics.About YouYou possess a strong foundation in compilers, scheduling, dynamic graph systems, parallel runtimes, or a related discipline.You have significant experience in performance analysis and optimization.Prior knowledge of OCaml or functional programming languages is not a prerequisite.

At Trunk Tools, we are pioneering the integration of AI in the construction industry, which is the second-largest sector globally. Recently, we successfully secured a $40 million Series B funding round led by Insight Partners, bringing our total funding to $70 million from esteemed investors such as Redpoint and Innovation Endeavors. This investment is propelling us into our next stage of growth as we deploy AI agents across various job sites.Our mission is to revolutionize construction through intelligent automation. Despite being a $13 trillion industry, many processes remain outdated and analog. We are on a mission to transform this landscape by embedding AI directly into field operations.Founded by professionals from the construction and technology sectors, including alumni of Stanford and MIT, our team has developed software utilized by over 140,000 field professionals, impacting millions and contributing to over $10 billion in completed projects. Many team members have firsthand experience in the field, granting us a profound understanding of the industry's unique challenges.After years of development, we are ready to launch production-level AI agents, starting with intelligent document processing and question-answering solutions, and we are rapidly expanding into core operational workflows. With our team having doubled in size over the past year to over 65 employees (including more than 25 engineers), we are entering a phase of hypergrowth. This is a unique opportunity to join us at a pivotal moment.

About Us: At EvolutionIQ, we are dedicated to revolutionizing the insurance claims landscape with cutting-edge technology that enhances the accuracy, fairness, and efficiency of claims handling. Our goal is to ensure that individuals affected by injury or illness can lead their lives with dignity and stability. In light of our rapid growth, we are on the lookout for exceptional talent eager to contribute to our scaling efforts and transform the insurance sector. Our team is our top priority, and we are proud to be recognized as one of Inc.’s Best Workplaces for three consecutive years and Built In’s Best Places to Work in 2025 and 2026!The Adventure: As the leading AI Guidance Platform in the insurance industry, we collaborate with some of the largest insurance carriers in the US and are expanding our reach globally. Our impressive growth is underscored by a near 100% success rate in transitioning pilots to production deployments. You will have the opportunity to design on a unified platform that scales across diverse lines of business. Our engineering culture emphasizes simplicity, foundational engineering principles, quality, transparency, and strong collaboration. If you are enthusiastic about working in a dynamic enterprise engineering team utilizing the latest technologies at scale, we want to hear from you!About You: As a driven AI/LLM Engineer, you will be pivotal in enhancing our leading medical synthesis product. You possess a strong sense of ownership over your projects and have a proven history of managing projects from inception to deployment. Excelling in a fast-paced startup atmosphere, you keep abreast of the latest AI and machine learning developments. Your passion lies in integrating hybrid approaches that fuse large language models (LLMs), statistical machine learning techniques, and retrieval-augmented generation (RAG) with embedding-based models to deliver superior, reliable outcomes for our users.In this Role You Will:Design, build, and deploy AI-driven and LLM-powered features for our claims synthesis product, including effective extraction of critical information from intricate medical documents and human-in-the-loop summarization workflows.Develop and implement hybrid machine learning solutions that utilize statistical models, LLMs, and embedding-based retrieval techniques such as RAG to enhance system accuracy, scalability, and robustness.Write clean, scalable, and efficient code while optimizing the performance of existing AI/ML systems in production.

About Mirage Mirage builds an AI-powered video platform that connects production and editing through natural language processing. Our models use contextual awareness to mirror the choices of skilled editors, streamlining workflows for experienced teams and making video creation more accessible to a wider audience. Learn More Our Product (Captions by Mirage) Our Research (Seeing Voices, technical white paper) Latest Updates (Mirage on X / Twitter) Mirage has been featured in TechCrunch, Forbes AI 50, and Fast Company. Our Investors Mirage is backed by leading venture firms and entrepreneurs, including Index Ventures, Kleiner Perkins, Sequoia Capital, Andreessen Horowitz, and others. Location Requirement All roles at Mirage require in-person work at our Union Square headquarters in New York City. Role Overview: Research Engineer – Large Language Models Mirage seeks a Research Engineer to design, build, and scale systems for training and deploying large language models, with a focus on multimodal creative applications in video analysis. This role works closely with researchers to turn new ideas into efficient, production-ready systems that strengthen our platform.

Join The New York Times as a Software Engineer in our Programming team, where your expertise will help shape the future of our editorial tools. Reporting to the Senior Engineering Manager, you will collaborate with a diverse team of engineers and cross-functional partners to develop innovative solutions that enhance our newsroom's capabilities. Be a part of creating a next-generation homepage programming system that simplifies the editorial process for our newsroom editors while adhering to our high standards for journalistic integrity.

Join our vibrant team as an Italian Instructor for our afterschool program at PS166! This is a remarkable chance to immerse Kindergarten through 5th grade students in the charm of the Italian language and culture. We seek a dynamic individual who can infuse energy, songs, visuals, and creativity into lessons, making language acquisition engaging and enjoyable for young learners.Key Responsibilities:- Deliver beginner-level Italian vocabulary, conversational phrases, songs, and cultural insights through interactive and enjoyable lessons.- Design and conduct age-appropriate language activities that enhance listening, speaking, and comprehension skills.- Foster a nurturing, inclusive classroom environment that encourages curiosity and cultural appreciation.- Assist students in building confidence by utilizing Italian in simple, practical contexts.- Maintain effective communication with administration and families as necessary.- Complete attendance and incident reports as required.This Role Is Perfect For You If:- You have experience working with students, preferably at the elementary level.- You possess proficiency in Italian; fluency is highly preferred.- You have a background in educating children, ideally in a language learning environment.- You exhibit strong classroom management skills and an engaging teaching style.- You are enthusiastic, creative, and culturally inquisitive.Schedule:- Day: Friday (part-time availability)- Time: 2:40 PM - 5:40 PM (split into two sessions: early session from 2:40 PM-4:20 PM and late session from 4:20 PM-5:40 PM)- Season kicks off on September 4th, and we are looking for candidates who can commit for the entire 2025-26 school year.Location:- PS 166 The Richard Rodgers School of The Arts and Technology- 132 W. 89th Street, New York, NY 10024Application Process:- To apply, please submit your resume detailing your teaching experience and passion for working with elementary-aged students to ps166@amazingathletes.com.Become part of our team and make a meaningful difference in the lives of young individuals! We eagerly await your application.

Job OverviewFauna Robotics is on the hunt for a skilled Manufacturing Engineering Program Manager to spearhead the execution of our supply chain, vendor management, and build operations. This pivotal role will guide our innovative robots from prototype to consistent production, ensuring seamless collaboration across engineering, operations, and manufacturing. You will be instrumental in driving build readiness, overseeing external suppliers and contract manufacturers (CMs), and guaranteeing that our in-house production meets high standards of quality and timeliness.In this role, you will ensure timely parts delivery, optimize vendor performance, and swiftly resolve any manufacturing challenges that arise.Key ResponsibilitiesSupply Chain ManagementOversee comprehensive material readiness for builds, including forecasting, purchasing coordination, kitting, and shortage management.Maintain transparency in build BOM status while tracking long lead items, alternatives, and potential risks.Collaborate with engineering teams to ensure designs are practical for production and sourcing.Lead efforts in reducing material costs through effective vendor negotiations, alternative sourcing, and design-for-cost considerations.Manage inbound logistics, inventory planning, and basic warehouse operations as necessary.Vendor and Supplier OversightEstablish and maintain communication with suppliers for critical mechanical, electrical, and electromechanical components.Handle RFQs, quotation cycles, lead times, payment conditions, and delivery schedules.Create supplier scorecards focusing on quality, delivery, responsiveness, and cost to enhance supplier performance.Coordinate corrective actions with suppliers to address issues like defects, late deliveries, and recurring failures.Identify and onboard new suppliers as project requirements evolve across various manufacturing processes.Build ManagementPlan and execute internal builds, including EVT/DVT/PVT, pilot builds, and production runs.Manage build schedules, readiness assessments, work instructions, tooling coordination, and staffing requirements.Work closely with technicians and engineers to remove obstacles during the build process.Monitor yields, rework rates, failures, and any manufacturing hindrances to ensure consistent production flow.

Join Datadog's innovative Applied AI group, where we are redefining user interaction with our platform through cutting-edge artificial intelligence capabilities. Our teams focused on Natural Language Query (NLQ) and Command-I (Cmd-I) are leading the charge in transforming how users can effortlessly query telemetry data, troubleshoot production issues, and configure their Datadog experience using natural language and intelligent conversational agents.As an Engineering Manager I in the Applied AI division, you will spearhead a dynamic team of engineers and applied scientists dedicated to developing natural language interfaces and conversational AI systems. Your team will tackle exciting challenges including LLM-powered query translation, context-aware retrieval systems, agentic architectures, and robust evaluation frameworks. You will be instrumental in guiding technical execution, nurturing team growth, and collaborating across engineering, product, and research disciplines to deliver AI-driven experiences that fundamentally enhance how our customers engage with Datadog.At Datadog, we deeply value our office culture, fostering relationships and collaboration that ignite creativity. We embrace a hybrid workplace model, allowing our team members to achieve a harmonious work-life balance tailored to their individual needs.

Role Overview cape is hiring a Technical Program Manager for the Product & Engineering team in New York, NY. This role guides cross-functional teams to deliver solutions that support cape's mission. The Technical Program Manager plans, executes, and delivers important projects, working closely with stakeholders to keep efforts aligned and on track.

JOB SUMMARYWe are seeking a talented and experienced Korean linguist to serve as a Language Lead Backup for our key account. This role is crucial as it involves stepping in to assume the review responsibilities in the absence of our primary Hebrew Language Lead or when additional support is required.As the primary reviewer, you will be responsible for conducting comprehensive linguistic reviews and quality assurance checks, ensuring all content adheres to the highest standards and aligns with client-specific guidelines. This role demands attention to detail and a proactive approach to maintaining quality.The ideal candidate will be available to work during PST business hours (9:00 AM – 5:00 PM) to accommodate client delivery schedules.

Baystate Interpreters seeks in-person interpreters in Albany, New York. This position centers on supporting clear communication across different languages for a range of community settings. Role overview Interpreters will use their language proficiency to help people understand one another in person. Assignments may involve healthcare, education, legal, or social service environments, depending on client needs. What you will do Interpret spoken conversations accurately and confidentially between parties Work in various locations around Albany, adapting to each setting Support individuals from diverse backgrounds by ensuring their voices are heard Requirements Fluency in English and at least one other language Strong listening and communication skills Professionalism and cultural sensitivity

Role overview Smith Engineering is seeking a Director of Design Engineering to lead its design team in New York City. This leader will oversee the development of engineering solutions that meet client requirements and comply with industry standards. The role involves shaping project direction and supporting the growth of a skilled group of engineers. What you will do Guide and manage the design engineering team Drive the creation of efficient, high-quality engineering designs Ensure all work aligns with client needs and industry standards Mentor and develop engineering talent within the team Influence the direction of engineering projects at Smith Engineering

Harlem Children’s Zone supports children and families in New York City by focusing on education, career preparation, and essential life skills. The organization aims to break the cycle of intergenerational poverty through comprehensive programs and community engagement. Role overview The Program Coordinator for After-School Programming develops and manages after-school activities for students in Harlem. This role emphasizes academic support, leadership development, and preparation for high school and college. The coordinator is responsible for shaping curriculum, allocating resources, and ensuring programs run smoothly. This position reports directly to the Director and Assistant Director. Key responsibilities Coordinate and implement after-school programs for youth Promote academic achievement and leadership skills among students Oversee resource management and scheduling for program activities Contribute to curriculum planning and program design Collaborate with the Director and Assistant Director to achieve program objectives Location This position is based in New York, New York, United States. Learn more For insights into working at Harlem Children’s Zone, visit Want to Work at Harlem Children’s Zone? Here’s 7 Things You Need to Know.

CoreWeave is The Essential Cloud for AI™. Founded by visionaries for visionaries, CoreWeave provides a cutting-edge platform of technology, tools, and expert teams that empower innovators to confidently build and scale AI solutions. Our services are trusted by top AI labs, startups, and global enterprises, combining unmatched infrastructure performance with extensive technical expertise to drive breakthroughs and transform computing into powerful capabilities. CoreWeave transitioned to a publicly traded company (Nasdaq: CRWV) in March 2025. Discover more at www.coreweave.com.What You’ll Do:The Design Program Coordinator will act as a strategic and operational partner to the VP of Data Center Design, enhancing execution, alignment, and efficiency across the Design organization. This role collaborates closely with leadership to prioritize initiatives, coordinate complex design programs, and facilitate clear communication among teams and stakeholders.About the role:The Design Program Coordinator is a vital partner focused on program execution, organizational effectiveness, and cross-functional alignment. On a daily basis, you will assist the VP in managing priorities, tracking key initiative execution, and ensuring the design organization operates smoothly and efficiently. You will oversee intricate design programs, support team planning and resource allocation, and translate technical work into clear, actionable updates for leadership. This position merges technical knowledge in data center design with robust program and organizational management responsibilities.Who You Are:Bachelor’s degree in Mechanical, Electrical, or related Engineering discipline4+ years of experience in data center design, MEP engineering, or technical data center infrastructure rolesProven expertise in coordinating multi-project portfolios or intricate engineering programsStrong comprehension of data center MEP systems and design documentation workflowsExperience in project tracking, milestone management, and executive-level reporting

The City of New York is hiring a Program Coordinator based in East Elmhurst. This role supports the planning and delivery of community programs, working alongside local partners and stakeholders to keep initiatives on track. Key responsibilities Organize schedules and logistics for community events and program activities Collaborate with internal teams and external partners to advance program objectives Monitor project timelines and track progress toward goals Support daily administration and handle program communications Requirements Strong organizational abilities Comfort managing several tasks and priorities at once Effective communication and collaboration with diverse groups

fullmind is seeking a Virtual Italian Language Educator to support students remotely from Brooklyn, New York, or anywhere in the United States. This position centers on teaching Italian through live online sessions and encouraging students to explore both the language and its cultural context. What you will do Design and prepare lesson plans tailored to an online classroom Deliver instructional content that keeps students engaged Assess student progress and provide feedback to help them grow Requirements Fluency in Italian Experience or strong interest in teaching Comfort working in a virtual learning environment This role offers the chance to help students develop their Italian language skills in a supportive, interactive setting.