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

The Role

We’re looking for a Senior Software Developer to take a leading role in developing and maintaining one of our software brands. This is a high-impact role where you’ll work across the full stack of a mature SaaS product used in real-world daily operations. You’ll collaborate closely with product, customer success, and other stakeholders to deliver features, improve performance, and maintain reliability.

What You’ll Do

• Own the full application lifecycle — features, bugs, performance, and deployments
• Maintain and extend a large PHP/MySQL codebase
• Build new features driven by customer needs
• Work with third-party integrations
• Support multi-location and multi-tenant functionality
• Optimize database performance and queries
• Respond to production issues and ensure system reliability
• Collaborate with internal stakeholders on product direction and priorities
• Contribute to ongoing improvements in code quality and architecture

Technology Stack

• Backend: PHP
• Database: MySQL
• Frontend: JavaScript, jQuery, HTML/CSS
• Web Server: Apache
• Dependencies: Composer
• Integrations: Ecommerce, payments, messaging, reporting tools
• Architecture: Established monolithic PHP application with long-term production stability.

What We’re Looking For

Required:

• 5+ years of professional PHP development experience
• Strong MySQL skills
• Solid JavaScript experience
• Experience working with APIs
• Familiarity with payment processing concepts
• Git proficiency
• Basic Linux/server knowledge
• Ability to work independently

Preferred:

• Experience with ecommerce integrations
• Experience with payment platforms
• Experience with messaging/email APIs
• Familiarity with multi-tenant SaaS architectures
• Experience working in legacy codebases
• Understanding of retail/POS concepts

Nice to Have:

• Experience in nonprofit or resale industries
• Familiarity with logistics or scheduling systems
• Experience with BI/reporting tools
• Interest in modernizing legacy systems

What Success Looks Like

First 30 days:

• Onboarded and productive
• Understands core application flow
• Ships initial bug fixes or small features

First 90 days:

• Independently handling features and bug fixes
• Comfortable with deployment and integration workflows
• Strong understanding of system architecture

First 6 months:

• Owning significant areas of the product
• Delivering meaningful improvements
• Contributing to technical direction

About the Codebase — Transparency

• Large, long-running production system
• Primarily procedural PHP
• Limited automated testing today
• Emphasis on stability and incremental improvement

What We Offer

• Opportunity to build software that powers real-world commerce at scale.
• Competitive salary and equity package.
• Comprehensive benefits (health, dental, vision, 401k, etc.).
• Flexible work environment.
• Strong emphasis on engineering quality and career growth.

Location: Onsite, Provo, Utah
Salary: 105-120k base + bonus

About the Role

We are seeking an experienced Senior Software Engineer to join one or more product engineering teams building mission-critical Point of Sale and eCommerce SaaS platforms. This role balances technical execution, hands-on development, and cross-functional collaboration in a highly regulated, high-availability environment.

You will contribute to delivering secure, scalable, and reliable payment solutions while upholding a strong engineering culture.

Key Responsibilities

Technical Execution & Development

• Write, review, and maintain high-quality code across backend, frontend, and/or mobile systems.
• Uphold coding standards and architecture best practices.
• Participate in design and code reviews, contributing constructive feedback to peers.
• Contribute to technical documentation and architectural designs.
• Champion a culture of accountability, quality, and continuous improvement.

Cross-Functional Collaboration

• Communicate technical ideas and plans clearly in team settings.
• Translate product and business goals into well-scoped technical solutions.
• Communicate progress, risks, and tradeoffs to engineering teams and stakeholders.
• Work closely with customer support and operations on merchant-impacting issues.

Delivery & Engineering Excellence

• Partner with Product, Design, Compliance, SRE, and Operations to deliver POS, payment, loyalty, gift card, and other features end-to-end.
• Contribute to sprint planning, delivery predictability, incident follow-ups, and technical debt management.
• Implement and advocate for best practices in code quality, testing, observability, and CI/CD.
• Help guide architectural decisions for high-throughput, low-latency systems.

Cloud-Based Point of Sale & Platform Features

• Inventory Management and PO sync: Items matrices, Vendor Catalog, Purchase Order Management, Multi-store inventory.
• CRM: Customer details capture, purchase history tracking, targeted marketing campaigns, gift card management, and loyalty rewards.
• Sales & Promotions: Custom discounts, bulk pricing, time-sensitive promotions, and bundled offers.
• Reporting & Analytics: Detailed dashboards and exportable reports covering best-sellers, profit margins, and more.
• Employee Management: User roles, time tracking, permissions, and cross-location metrics.
• Payment: Integration with Quilt Payment or external payment providers.
• eCommerce Sync: Integration with Quilt's internal eCommerce module or platforms like Shopify and DoorDash.
• Support platform reliability, uptime, and data integrity for merchants and partners.
• Participate in incident response and post-mortems, contributing to long-term fixes.
• Support PCI DSS, SOC 2, and other compliance requirements.

Required Qualifications

• 5+ years of software engineering experience.
• Hands-on, full-stack development experience with React (frontend) and PHP/MySQL (backend) .
• Experience building and operating SaaS platforms at scale.
• Strong understanding of modern backend systems (APIs, microservices, databases, cloud infrastructure).
• Experience working in regulated or compliance-heavy environments with strong technical documentation practices.
• Effective communicator with the ability to collaborate across teams.

Preferred Qualifications

• Experience with POS systems, eCommerce, or fintech 
• Familiarity with PCI DSS, SOC 2, or financial compliance standards.
• Experience with cloud platforms (AWS, GCP, or Azure).
• Background in distributed systems, event-driven architectures, or real-time transaction processing.

What We Offer

• Opportunity to build software that powers real-world commerce at scale.
• Competitive salary and equity package.
• Comprehensive benefits (health, dental, vision, 401k, etc.).
• Flexible work environment.
• Strong emphasis on engineering quality and career growth.

Location: In-Person: Irvine, CA, Charlotte, NC or Provo, UT
Salary: 115-130k base Salary + Bonus

We are seeking a mid-level Full Stack Engineer with 3–5 years of experience building production-grade mobile applications and contributing to backend systems. This role will support and enhance Place Inc’s portfolio of mobile applications—including Brivity Go, Brivity Home, the Place Partner App, Brivity Open House, and AreaPro—while also contributing to backend services and APIs that power these products.

You will work across the full stack, owning features end-to-end: mobile client implementation, API integrations, backend service development, and system reliability. Our applications serve thousands of daily users and support complex workflows, requiring thoughtful engineering across shared systems, scalable backend architecture, and polished platform-specific experiences.

Job Duties (Including, but not limited to):

• Develop and maintain cross-platform mobile applications using React Native (TypeScript, Expo, React Navigation/Expo Router).
• Build and maintain integrations with native iOS (Swift/Objective-C) and Android (Kotlin/Java) modules when required.
• Implement mobile UI/UX from Figma designs with strong attention to performance and platform conventions.
• Write unit and integration tests using Jest, React Native Testing Library, Detox, XCTest, and JUnit.
• Manage mobile release processes (EAS, TestFlight, Google Play Console).

• Design, build, and maintain RESTful and/or GraphQL APIs using Ruby on Rails.
• Develop scalable backend services that support mobile and web clients.
• Work with relational databases (PostgreSQL/MySQL), including schema design, migrations, indexing, and performance tuning.
• Implement authentication and authorization systems (JWT, OAuth, role-based access).
• Write automated tests using RSpec or similar frameworks.
• Monitor application performance and address scalability, reliability, and security concerns.
• Contribute to CI/CD pipelines and deployment workflows.

• Collaborate with product leadership to translate requirements into technical solutions across the full stack.
• Partner with design, QA, and other engineers to deliver features end-to-end.
• Participate in architectural discussions and propose scalable system improvements.
• Identify and address technical debt across mobile and backend systems.
• Participate in Agile ceremonies including standups, sprint planning, grooming, and retrospectives.
• Deliver high-quality features within agreed sprint timelines.
• Create and maintain technical documentation for features and system architecture.
• Present technical concepts and updates to non-technical stakeholders when needed.
• Maintain awareness of broader business context and product strategy.

Requirements and Skills:

• 3–5 years of professional software development experience.
• Strong proficiency in React Native and TypeScript.
• Production experience with Ruby on Rails building APIs and backend services.
• Solid understanding of RESTful API design and integration.
• Experience working with relational databases (PostgreSQL or MySQL).
• Experience with Git and collaborative workflows (PR reviews, trunk-based development).

• Experience building and deploying React Native apps to App Store and Google Play.
• Familiarity with native module integrations (Swift/Kotlin).
• Understanding of modern mobile architecture patterns (hooks-based architecture, MVVM-inspired patterns, clean architecture principles).
• Experience with automated testing (Jest, Detox, XCTest, JUnit).

• Experience writing automated tests for Rails applications (RSpec or similar).
• Knowledge of background job processing (Sidekiq or similar).
• Experience implementing authentication, authorization, and secure API design.
• Familiarity with caching strategies (Redis, HTTP caching).
• Experience integrating third-party APIs and services.

• Strong written and verbal communication skills.
• Ability to work cross-functionally across product, QA, and design.
• Ability to manage and prioritize work across both mobile and backend initiatives.

Nice to Have:

• Experience with GraphQL.
• Firebase experience (Auth, Firestore, Crashlytics, Remote Config).
• Experience with real-time communication (WebSockets, SSE).
• CI/CD experience (GitHub Actions, Bitrise, Fastlane).
• Experience with analytics, feature flags, and A/B testing.
• Experience scaling Rails applications in production environments.
• Familiarity with Docker and containerized deployments.
• Experience building applications with live streaming or e-commerce capabilities.

Salary: $80,000 - $120,000/year

Location: This is a hybrid role but must be able to commute to the office in Draper, Utah.

Locations: South Jordan, UT

Salary: $45,000

Want to work in technology at an investment bank?

In-depth graduate training, ongoing support, opportunities at leading global employers – the Alumni graduate program gives you everything you need. (And don’t worry, there’s no training bond. No exit fees, no hidden catches).

Here at mthree, we pair great graduates with brilliant global businesses. Our clients include tier one investment banks and other organizations across a range of industries, from insurance to healthcare to travel.

As part of the mthree Alumni program, mthree has an exciting and exclusive partnership with Columbia Univ. School of Engineering. All mthree Alumni are eligible to receive two Executive Education certificates from Columbia Engineering as part of their Academy and industry placement experience at no cost. Further, all participating Alumni will have access to the Columbia Engineering network and ongoing training.

What you'll do:

Production support plays a vital role in enterprise technology, from algorithmic trading engines to regulatory reporting.

Think of it as healthcare for technology. As a production support analyst with mthree, you’ll be on a shared mission to look after the technical systems and processes other teams rely on.

How the Alumni program works:

1. Apply via this job advert.
2. Complete our assessment process.
3. Get trained at mthree Academy in an online class for 4-8 weeks with other graduates.
4. Join a mthree client for 12-24 months while receiving support and salary increases every 12 months.
5. The vast majority then convert to permanent employees with the client at the end of the program.

What you’ll learn at the mthree Academy:

• How to discuss production support activity at a high level including ITIL (information technology infrastructure library), monitoring, DevOps, SRE (site reliability engineering), and disaster recovery.
• How to discuss common financial topics, including financial markets, equity trading, derivatives, currency, treasury, regulation, and risk.
• How to write a basic computer program in Python, including user input, common data structures, and flow of control.
• How to use MySQL to perform CRUD (create, read, update and delete) operations on a relational database stored in a MySQL Server.

What you'll need:

• Bachelor's degree in computer science or a related STEM subject (science, technology, engineering, math).
• A GPA of 2.75 or higher. We look for potential, not prestige, but it’s important that you enjoy pushing yourself to pick up new ideas.
• Ability to troubleshoot, taking an analytical approach to solve problems.
• Excellent spoken and written English communication skills.
• The right to work without needing visa sponsorship.

What you’ll get:

• In-depth, interactive training in small classes with graduates like you. Our training is created and delivered by industry experts who know your field inside out.
• A generous graduate salary.
• An annual increase to reflect your progress.
• A flexible benefits package.
• Ongoing training and support.
• Valuable industry experience. Ultimately, a foot in the door to build your career in an in-demand niche.

How to apply:

1. Apply via the form below and tell us a bit about you.
2. Complete the online assessment (we’ll send you a link by email).
3. Complete the interviews with our friendly talent team over phone and video.
4. Lastly, you’ll interview with one or more of our clients.

So you don’t miss out on your dream job, we encourage you to be open to relocating.

We take great pride in celebrating the diversity of each and every individual who contributes to making mthree the company it is today and will be in the future. We value diversity both within mthree and with our partner companies, and we're proud to provide an environment where all our colleagues can flourish. That means promoting a strong culture of equality but, most importantly, inclusion. We never want people to change - only add to the amazing mix of people that work for mthree.

Applicants must be currently authorized to work in the United States on a full-time basis. The Company will not sponsor applicants for work visas.