MongoDB is building a world-class team in North America to create tooling that helps customers modernize their applications and migrate their data from legacy relational databases to MongoDB in real-time. As companies modernise legacy workloads and data ecosystems, they are increasingly drawn to the flexibility and scalability of the document model. The tools developed by the Code Generation and Data Migration team are critical in this journey, helping customers with schema modeling, code generation, initial data loads, and continuous data synchronization.

We're looking for a Senior Engineer with a strong background in computer science fundamentals, systems design, experience in the Java ecosystem, streaming systems, and data-intensive applications to join our engineering team. In this role, you will be instrumental in designing, building, and optimizing the underlying data structures, algorithms, and database interactions that power our generative AI platform, code generation and migration tools. This involves crafting sophisticated orchestration layers, robust integration points, and high-performance data systems that seamlessly connect and leverage advanced AI capabilities for code generation and  building a sophisticated data migration suite using a modern technology stack, which includes Java, Spring Boot, Kafka, Debezium, and React.You will work on critical components that ensure the scalability, efficiency, and reliability of our services, collaborating closely with AI researchers, product management and other engineers to design and implement cutting-edge products that solve complex customer challenges.

This role will be based out of North America in the PST and MST zones only.

The ideal candidate for this role will have

• 2+ years of  engineering experience in backend systems, distributed systems, or core platform development
• Experience in one or several of Java, Rust, C/C++, and/or Python, with a strong understanding of systems-level programming, memory management, and performance tuning
• Experience with streaming data platforms such as Apache Kafka and Change Data Capture (CDC) tools like Debezium
• Experience with relational data modeling and hands-on experience with at least one SQL database (Postgres, MySQL, etc)
• Exposure to client-side technologies such as JavaScript and React is a plus
• Good understanding of algorithms, data structures and their time and space complexity
• Curiosity, a positive attitude, and a drive to continue learning
• Excellent verbal and written communication skills

Nice to Have

• Familiarity with cloud-native distributed systems (e.g., Kubernetes)
• Experience with NoSQL databases and understanding of their trade-offs is great, but not required. We'll teach you NoSQL
• Contributions to relevant open-source projects

Position Expectations

• Contribute high-quality, well-tested backend code to the data migration engine and core components of our generative AI orchestration platform
• Collaborate effectively with Product Management, AI researchers and machine learning engineers and designers to build and deliver on the product roadmap
• Work to develop robust and efficient backend services that orchestrate AI functionalities
• Identify and address performance bottlenecks and architectural challenges in our systems, particularly within data flow and orchestration
• Participate actively in code reviews to enforce best practices and patterns
• Help troubleshoot and resolve complex technical issues in our distributed systems
• Give and solicit feedback on technical design documents and pull requests
• Perform tasks related to process such as CI/CD, quality, testing, etc 

Success Measures

Within the first three months, you will have:

• Familiarize yourself with the MongoDB database and aggregation language
• Familiarize yourself with the backend tech stack including Java, Spring Boot, and Kafka
• Set up software development infrastructure (tech stack, build tools, etc) to enable development using the relevant tech stacks
• Started collaborating with your peers and contributed to code reviews

Within six months, you will have:

• Familiarised yourself with the rest of our the application modernization tool stack
• Delivered at least one large scale feature that spans the entire tech stack
• Reviewed and contributed to scope and technical design documents

Within 12 months, you will have:

• Become a key contributor to our backend stack, capable of taking on complex features independently
• Helped recruit and interview new members of the team
• Collaborated effectively with other teams at MongoDB on cross-functional projects

About MongoDB

MongoDB is built for change, empowering our customers and our people to innovate at the speed of the market. We have redefined the database for the AI era, enabling innovators to create, transform, and disrupt industries with software. MongoDB’s unified database platform—the most widely available, globally distributed database on the market—helps organizations modernize legacy workloads, embrace innovation, and unleash AI. Our cloud-native platform, MongoDB Atlas, is the only globally distributed, multi-cloud database and is available across AWS, Google Cloud, and Microsoft Azure.

With offices worldwide and nearly 60,000 customers—including 75% of the Fortune 100 and AI-native startups—relying on MongoDB for their most important applications, we’re powering the next era of software.

Our compass at MongoDB is our Leadership Commitment, guiding how and why we make decisions, show up for each other, and win. It’s what makes us MongoDB. 

To drive the personal growth and business impact of our employees, we’re committed to developing a supportive and enriching culture for everyone. From employee affinity groups, to fertility assistance and a generous parental leave policy, we value our employees’ wellbeing and want to support them along every step of their professional and personal journeys. Learn more about what it’s like to work at MongoDB, and help us make an impact on the world!

MongoDB is committed to providing any necessary accommodations for individuals with disabilities within our application and interview process. To request an accommodation due to a disability, please inform your recruiter.

MongoDB, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type and makes all hiring decisions without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

REQ ID: 425547

About Wonderschool
Wonderschool’s mission is to ensure every child has access to early childhood education that helps them realize their full potential. We empower small business owners, childcare providers, to launch and grow in-home programs through cutting-edge software, personalized coaching, and responsive support. We also partner with governments to modernize public childcare infrastructure. Our team is small, fast-moving, and deeply motivated by the impact we create in families and communities across the country.

About the Role
We are looking for a Forward Deployed AI Engineer to lead product development on some of the most strategically important initiatives at Wonderschool. You’ll spend your time working directly with customers (traveling as needed), uncovering pain points, and building AI-powered solutions that drive measurable impact across revenue, operational efficiency, and user experience. You’ll act like a founder inside the company: identifying problems, shipping code, driving adoption, and iterating quickly based on what you learn. This role blends engineering, product, operations, and business leadership, and is ideal for someone who has launched products, acquired users, and driven growth independently. You will work closely with our sales, onboarding, and account management teams to automate workflows, build better customer experiences, and unlock new growth.

This role is inspired by best-in-class FDSEs at companies like Palantir and is perfect for builders who love solving real-world problems in the field, not from behind a desk.

What You’ll Do
Work directly with users and internal teams to identify high-leverage problems and ship product solutions. Write production code (approximately 50% of your time) and ship weekly improvements across the customer journey. Use tools like Widesurf, Cursor, and other AI accelerators to increase your velocity and quality of output. Build and deploy AI-powered tooling that eliminates manual effort and improves the experience for providers, parents, and government partners. Automate onboarding flows, proposal generation, reporting processes, and other operational workflows. Own full loops: talk to users, design solutions, write code, test, deploy, and monitor adoption. Prioritize based on business impact and collaborate across teams to drive measurable results.

What Success Looks Like
You uncover user pain points faster than anyone else and consistently ship solutions that address them. You deploy AI-infused internal tools or product experiences that improve core metrics (conversion, retention, revenue). You fully own feedback loops, from discovery to deployment, and iterate rapidly. Internal teams rely on your tools to operate faster and with fewer resources. You’re moving fast, staying close to the customer, and operating with very little hand-holding.

Who You Are
A builder and founder at heart, you’ve started a company, built products that got users, or made revenue independently. Comfortable talking to users weekly and distilling insight into product decisions. Technical enough to ship production code on your own, experience with Python, JavaScript, or similar languages. Experienced using AI/LLMs and developer tools like Windsurf and Cursor to move faster and smarter. Business-minded, you’ve worked in consulting, managed a P&L, or attended business school and know how to prioritize based on ROI. Comfortable operating in ambiguity and energized by a high-trust, high-impact, in-person environment.

Why Join Us
Make a direct impact on families, small business owners, and communities. Operate with founder-like ownership on the company’s most important priorities. Join a small, fast-moving team with a bias for action. Talk to users, ship weekly, and see your work go live and drive real-world outcomes. Help reimagine early education and child care for the modern era.

Job Summary

Kairos Power is seeking a highly motivated Process Engineer with expertise in the development and implementation of chemical and physical processes stream related equipment, to support the Kairos Power fuels program. In this role, you will work within an engineering team to design, construct, commission, and optimize performance of the process equipment necessary for TRISO particle fabrication. You will also work cross-functionally with facility operations, facility engineers, quality assurance, and environmental, health and safety (EHS) to enable supporting functions.

Responsibilities

• Interpret process engineering information communicated via Process Flow Diagrams (PFDs), including heat and material balances, process envelopes, and their integration into mechanical designs.
• Develop equipment specifications and size equipment such as tanks, vessels, valves, lines, and pumps based on process needs.
• Prepare equipment lists and data sheets for equipment.
• Develop and/or approve manufacturing drawings for custom-designed equipment.
• Interface with vendors for procurement of equipment and instruments.
• Work with the Lead Responsible Engineer to develop the equipment commissioning plan and procedures.
• Coordinate with facility operations to implement, test, and optimize TRISO fuel fabrication processes.
• Provide technical oversight of fuel fabrication processes and incorporate best practices for continuous improvement.
• Work with other engineers and technologists to understand mechanical deficiencies and opportunities for process equipment improvements, incorporating those learnings into design improvements.
• Partner with manufacturing team and participate in equipment manufacturing, assembly, and test certification of process equipment skids.
• Perform other duties as assigned.

Qualifications

• Bachelor’s degree in Chemical Engineering, Manufacturing Engineering, Industrial Engineering, Mechanical Engineering, or similar discipline.
• 5+ years performing duties in a process or mechanical engineering role in a chemical, pharmaceutical, industrial, or manufacturing setting.
• Experience in generating Process Flow Diagrams (PFDs), Heat & Material Balances (H&MBs), Piping & Instrumentation Diagrams (P&IDs), equipment lists, and utility consumption lists.
• Experience working with hazardous processes and chemicals, including the implementation of appropriate safety controls.
• Experience in commissioning new vendor-supplied equipment, as well as being able to commission in-house designed equipment.

Knowledge, Skills & Abilities

• Proficient with engineering software programs including CAD, SolidWorks, and modeling software.
• Ability to work with highly collaborative teams.
• Ability to identify opportunities for improvement of existing equipment.
• Ability to verify process designs against mechanical designs, in keeping with operational and maintenance interfaces to ensure that systems and facility are optimal from an installation, integration, operational and maintenance perspective.
• Familiar with process documentation, including PFDs and P&IDs, and how they inform industrial system operations and integration.
• Strong problem-solving and organizational skills, able to manage multiple priorities in dynamic environments while maintaining attention to detail.
• Excellent written and verbal communication skills, with the ability to clearly document plans and effectively convey information across engineering, operations, and leadership teams.
• Ability to be proactive and adaptable.
• Prioritizes and ensures safety of oneself and others.
• Ability to proactively collect, manage and transfer knowledge.
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues.

Physical Demands

• Ascending or descending ladders, stairs, scaffolding, ramps, scissor lifts, articulated boom lifts and the like.
• Moving self in different positions to accomplish tasks in various environments including tight and confined spaces.
• Remaining in a stationary position, often standing, or sitting for prolonged periods.
• Moving about to accomplish tasks or moving from one worksite to another.
• Adjusting, moving, transporting, installing, positioning, or removing objects up to 10 pounds in all directions.
• Communicating with others to exchange information.

Environmental Conditions

• General office environment.
• Noisy environments.
• Odors or fumes from chemicals or chemical reactions.
• Assessing the accuracy, neatness and thoroughness of the work assigned.
• High-concentration, demanding and fast-paced.

Safety and PPE

• Reading and interpreting hazardous warning signs.
• Reporting issues with equipment or unsafe conditions.

Travel

• Some travel may be required, up to 5%

Additional Requirements

• Seldom requires working weekends.
• Occasionally requires schedule flexibility.
• Seldom requires extended hours to support launch and critical project timelines.

• Onsite: #LI-Onsite

Job Summary 

The Inventory Management System (IMS) team is seeking a highly motivated and passionate Engineer to join our efforts in designing, building, and commissioning high-temperature skids for molten salt systems. The ideal candidate will have a strong foundation in process, chemical, and mechanical engineering, with the ability to apply these skills to high-temperature design challenges. 

 In this role, you will contribute to the development of critical process systems for the Hermes reactor, our first-of-a-kind low-power nuclear demonstration reactor. As a key member of the IMS team, you will assist in designing, commissioning, and operating components to manage and control the reactor’s molten salt coolant inventory. The position requires an aptitude for chemical engineering, systems integration, and industrial or pilot-scale system deployment. You will collaborate closely with mechanical design, plant layout, piping, instrumentation, and operations teams to integrate and optimize these systems. 

Responsibilities  

• Support design of high temperature piping loops, vessels, heaters, and instruments to manage the Hermes molten salt coolant inventory.
• Perform engineering calculations to support defining hydraulic, thermal, or other design parameters such as pipe size, required pump head, heat loss, hydraulic losses in a pipe loop, etc.
• Lead the design and construction of test platforms, including component prototypes, scaled system demonstrations, and engineering studies to inform IMS system design and performance.
• Develop and document engineering calculations, technical studies, and design rationale through clear and concise technical reports, memos, and presentations.
• Support system commissioning, startup, and operational readiness activities, including procedure development and execution.
• Assist with requirements definition, design verification, and validation activities to ensure IMS systems meet functional and regulatory expectations.
• Leverage expertise in Process Flow Diagrams (PFDs) and Piping and Instrumentation Diagrams (P&IDs) to communicate and collaborate effectively across teams.
• Contribute to Failure Modes and Effects Analysis (FMEA) and Hazard and Operability (HAZOP) studies, ensuring robust safety and performance across system interfaces.
• Work cross-functionally with mechanical, instrumentation, controls, and operations teams to integrate and optimize IMS designs in alignment with reactor requirements. 
• Other duties as assigned. 

Qualifications  

• Bachelor’s or Master’s degree in Chemical, Mechanical, Nuclear Engineering, or a related field with 3+ years of relevant experience in process/system design or related roles.
• Experience designing systems for high-temperature processes, molten salts, liquid metals, hazardous chemicals, or petrochemical processes is preferred.
• Demonstrated ability to bring hardware design projects to completion and through commissioning, for industrial-scale systems or lab test stands.
• Familiarity with ASME vessel and piping codes is a plus.
• Experience with SolidWorks or other CAD software desired.
• Demonstrated capacity for autonomous problem-solving and willingness to own a wide range of technical and non-technical tasks. 

Knowledge, Skills & Abilities 

• Proficient in interpreting PFDs, P&IDs, and process equipment datasheets, with the ability to translate these into functional design and implementation plans.
• Knowledge of HazOp process and demonstrated experience designing processes with a safety-first mindset to create robust systems. Prioritizes and ensures safety of oneself and others.
• Knowledge of system commissioning practices, startup sequencing, and operational troubleshooting for process systems.
• Ability to work with highly collaborative team with excellent verbal, written communication/presentation, and interpersonal skills. Ability to proactively collect, manage and transfer knowledge.
• Ability to quickly and effectively work with manufacturing/assembly teams to pivot or troubleshoot when hardware build issues are discovered while maintaining delivery schedule. 

Physical Conditions  

• Remaining in a stationary position, often standing or sitting for prolonged periods.
• Adjusting, moving, transporting, installing, positioning, or removing objects up to 30 pounds in all directions.
• Occasionally moving self in different positions to accomplish tasks in various environments including tight and confined spaces (laboratory/shop environment). 

Environmental Conditions  

• General office environment.
• High-concentration, demanding and fast-paced environment.
• Occasional laboratory or shop environment exposure (loud noises, PPE required, chemical fumes possible). 

Safety and PPE 

• Reading and interpreting hazardous warning signs.
• Reporting issues with equipment or unsafe conditions.
• Wearing proper PPE, to include face mask, face shields, gloves, safety shoes, etc. 

Travel  

• Some travel may be required, up to 20%. 

Additional Requirements  

• Requires occasional extended hours to support critical project timelines. 

The salary range for this position is $106,300 to $125,100 for employees working onsite at our Alameda, CA headquarters. The range provided in this job posting represents the typical range or starting rate of candidates hired in California. Factors that maybe used to determine your actual salary may include your education, experience, knowledge, skills, ability and the market data for your work location, and a comparison to other employees already in the role.

#LI-Onsite

Job Summary 

Kairos Power is seeking a highly motivated Senior Electron Beam Welding Engineer that will be responsible for in-house electron beam welding (EBW) capability development and technology maturation. In this role, you will work on the Welding Development team to assist in the advancement and implementation of welding and manufacturing capabilities. The candidate will partner with design, testing, materials, modeling & simulation, and reliability engineers to develop weld joint design, weld techniques, weld specifications, and inspection methods needed for welded KP-FHR and test platform assemblies.

Responsibilities

Procedure Development & Qualification

• Design, develop, and maintain EBW procedures and supporting documentation (WPS/PQR) to meet material, joint, and quality requirements in compliance with applicable codes, standards (e.g., AWS, ASME, API), and regulatory expectations.
• Develop and execute weld qualification plans, including test coupons and validation trials, in coordination with quality and materials teams
• Anticipate future welding needs by aligning EBW procedures and qualification strategies with evolving product designs, manufacturing processes, and regulatory demands.

Quality Assurance & Process Optimization

• Oversee and review EBW inspections to verify compliance with design specifications and applicable quality standards.
• Analyze weld test data to identify trends, determine root causes of defects, and implement corrective actions to enhance welding performance and reliability.
• Lead continuous improvement initiatives to optimize EBW processes, increase efficiency, reduce cost, and maintain high-quality output.

Collaboration & Training

• Partner with design engineers, production teams, and key stakeholders to integrate EBW processes into the manufacturing workflow effectively.
• Provide hands-on training and mentorship to welding technicians and operators on EBW techniques, safety protocols, and industry best practices.

Technical Documentation & Reporting

• Develop and maintain comprehensive technical documentation, including process instructions, work procedures, and detailed reports.
• Ensure accurate recordkeeping of EBW procedures, inspection results, and quality control data to support traceability and continuous improvement.

Equipment Ownership & Maintenance

• Ensure performance, reliability, and availability of EBW systems, including high-vacuum chambers, beam control units, and power supplies.
• Monitor and calibrate critical parameters (e.g., beam alignment, focus, power output, vacuum integrity) to maintain process consistency and compliance with specifications.
• Lead maintenance and upgrade initiatives, including preventive planning, troubleshooting, vendor coordination, and system improvements to enhance automation and long-term equipment reliability.

Other Duties as Assigned

Qualifications

• Bachelor’s degree or higher in Welding Engineering, Materials Science, Mechanical Engineering, or a related technical field
• Minimum 5 years of welding engineering experience, with substantial hands-on experience in EBW required
• Experience with weld inspection methods, including both destructive testing and non-destructive examination (NDE) techniques
• Hands-on experience working with austenitic stainless steels, carbon steels, piping systems, and pressure vessels
• Experience leading cross-functional projects or mentoring junior engineers and technicians is preferred.
• Experience with manual and CNC machining operations is preferred

Knowledge, Skills & Abilities

• Strong knowledge of EBW processes, high-vacuum systems, and high-voltage equipment operation
• Proficient in reading and interpreting complex engineering and assembly drawings, including weld symbols and geometric dimensioning & tolerancing (GD&T)
• Familiarity with ASME Boiler and Pressure Vessel Code and AWS structural welding standards
• Skilled in using CAD software such as SolidWorks for part modeling and drawing generation
• Proficient with computers and digital tools used in technical documentation, data analysis, and process development
• Familiarity with the calibration, preventive maintenance, and troubleshooting of EBW systems and associated instrumentation.
• Strong problem-solving skills and ability to drive continuous improvement through data-driven analysis and collaboration
• Proven ability to manage multiple priorities in a fast-paced, agile manufacturing or development environment
• Excellent verbal and written communication skills; able to collaborate effectively across engineering, production, and quality teams
• Ability to collect, manage, and transfer technical knowledge across teams or documentation systems
• Committed to fostering a safe, inclusive, and high-performing workplace
• Ability to work with highly collaborative team.
• Ability to solve problems quickly and efficiently.
• Prioritizes and ensures safety of oneself and others.
• Ability to seek different and novel ways to create efficiencies when working on problems, challenges and issues.

Physical Demands

• Ascending or descending ladders, stairs, scaffolding, ramps, scissor lifts, articulated boom lifts and the like
• Setting up and transferring temporary structures (e.g. scaffolding, ladders)
• Moving self in different positions to accomplish tasks in various environments including tight and confined spaces
• Remaining in a stationary position, often standing, or sitting for prolonged periods
• Moving about to accomplish tasks or moving from one worksite to another
• Adjusting, moving, transporting, installing, positioning, or removing objects up to 50 pounds in all directions
• Communicating with others to exchange information
• Operating motor vehicles, heavy equipment or machinery
• Use hand tools
• Repetitive assembly operations of manufacturing test fixtures and test setups in collaboration with engineering and manufacturing teams 

Environmental Conditions

• Low temperatures
• High temperatures
• Outdoor environment or elements such as precipitation and wind 
• Noisy environments
• Small and/or enclosed spaces
• Odors or fumes from chemicals or chemical reactions
• Elevated heights
• Accessing the accuracy, neatness and thoroughness of the work assigned
• High-concentration, demanding and fast-paced
• General office environment
• Manufacturing/Industrial Environment

Safety and PPE

• Reading and interpreting hazardous warning signs
• Wearing proper PPE, to include face mask, face shields, gloves, safety shoes, etc.
• Reporting issues with equipment or unsafe conditions

Travel

• Some travel may be required (up to 20%) to other Kairos Power offices or external suppliers

Additional Requirements

• Occasionally requires overtime
• Occasionally requires working weekends 
• Occasionally requires schedule flexibility
• Occasionally requires non-standard work-week hours 
• Occasionally requires extended hours to support launch and critical project timelines

#LI-Onsite