Senior Machine Learning Engineer

Senior Software Engineer 2 (Ruby on Rails)

Senior Frontend Engineer

Android - Sr/Staff Software Engineer

iOS - Sr/Staff Software Engineer

Senior Staff Software Engineer iOS

Role Description: <ul><li>Working closely with the Data Scientists and be responsible for implementing large language models (LLMs) based applications, working with proprietary and open-source Models as well as popular frameworks such as Lang Chain to ensure seamless integration and deployment.</li></ul> Responsibilities: <ul><li>Building standalone applications that interact with LLM models.</li><li>Building RAG-based applications.</li><li>Understanding of Vector DBs like Solr for LLM based applications</li><li>Integrate models with existing systems and APIs.</li><li>Implement production quality ETL jobs</li><li>Preprocess and manage data for training and deployment.</li><li>Collaborate with cross-functional teams to define, design, and ship new features.</li><li>Write clean, maintainable, and efficient code.</li><li>Document development processes, code, and APIs.</li></ul> Requirements: <ul><li>Degree in Computer Science, Data Science, or related field.• Proven experience in building customer facing ML based APIs</li><li>Mexico City–based (or nearby), available to work onsite 2 days per week at Glorietadel Ahuehuete, Reforma.</li><li>Experience in developing applications that are scalable to handle TBs of data</li><li>Strong knowledge of API integration (RESTful, GraphQL).</li><li>Experience with data preprocessing, SQL, and NoSQL databases as well as vector stores (e.g., Postgres, MySQL, Solr, Elasticsearch/OpenSearch, etc.).</li><li>Familiarity with deployment tools (Docker, Kubernetes).</li><li>Experience with DevOps tools like Jenkins, Terraform, Cloud Formation templates is highly preferred.</li><li>Excellent problem-solving and communication skills.</li><li>Experience with Spark/Hadoop, EMR or any other Big Data technology would be a plus</li><li>Experience working on agents is considered a good-to-have</li><li>Familiarity with agents, even through courses Work in a way that works for you We promote a healthy work/life balance across the organization..</li></ul> Other Information: These are some of the benefits we are delighted to offer: <ul><li>Private Medical/Dental Plan.</li><li>Savings Fund.</li><li>Life Insurance.</li><li>Meal/Grocery Voucher.</li><li>We offer an appealing working prospect for our people.</li><li>With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.</li><li>Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive Working for you.</li><li>We know that your well-being and happiness are key to a long and successful career.</li></ul>

Responsibilities: <ul><li>Design, build, and maintain scalable backend systems using Ruby on Rails, ensuring reliability, performance, and an exceptional user experience.</li><li>Collaborate closely with Product and Design teams to translate customer needs into high-impact technical solutions, balancing simplicity with scalability.</li><li>Define and communicate clear technical specifications by breaking down complex requirements into actionable, well-structured implementation plans.</li><li>Uphold engineering excellence through test-driven development (TDD), comprehensive integration testing, and disciplined API design and management.</li><li>Optimize data storage and messaging systems, including PostgreSQL, NoSQL databases, and RabbitMQ, to ensure system efficiency and stability.</li><li>Mentor and support fellow engineers through pairing, knowledge sharing, and leading refactoring initiatives to continuously raise team-wide technical standards.</li></ul> Requirements: <ul><li>Technical Depth: A degree in Computer Science (or equivalent experience) and 3+ years of professional mastery in Ruby and its frameworks (Rails, Grape, or Sinatra).&nbsp;</li><li>A Quality Mindset: A strong TDD advocate who lives and breathes RSpec.&nbsp;</li><li>Systems Thinking: Deep experience with relational databases and message-driven architectures. You understand how parts of a system talk to one another.&nbsp;</li><li>Growth Mindset: A drive to learn and take ownership. You dont wait for permission to make things better.&nbsp;</li><li>Effective Communication: The ability to influence technical decisions and explain "the why" to both technical and non-technical stakeholders.</li></ul>

Responsibilities: <ul><li>Create and implement interactive, user-friendly, and visually appealing user interfaces (UIs) for web applications.</li><li>Develop robust front-end architectures, write high-quality code, and perform code reviews to maintain standards.&nbsp;</li><li>Ensure applications are fast, responsive, and scalable across various devices and platforms by optimizing loading times and performance.&nbsp;</li><li>Research, evaluate, and adopt new front-end technologies and frameworks (Angular, React) to keep products at the groundbreaking.&nbsp;</li><li>Collaborate with our team to create user-friendly web3 applications.</li><li>Develop responsive and intuitive UIs with React, Next.js, HTML, CSS, and JavaScript/TypeScript.</li><li>Work with WAGMI, Viem to interact with smart contracts.</li><li>Work with Redux and/or MobX for smooth state management.</li><li>Work with REST APIs and GraphQL for backend communication.</li></ul> Requirements: <ul><li>Proven experience as a senior frontend engineer, with a track record of delivering high-quality web applications.</li><li>Strong proficiency in JavaScript/TypeScript languages.</li><li>Expertise in frontend frameworks: Angular and/or React.</li><li>Hands-on experience with RxJS library and state management systems: NGRX, NGXS.</li><li>Experience in writing and support unit tests (Karma, Jasmine, Spectator).</li></ul>

The Role As a Staff Software Engineer, you will act as a subject matter expert. We are looking for technologists with the highest levels of technical talent, programming, and communication skills with a keen desire to deeply understand our product and how to make our systems stronger and more resilient. &nbsp;Responsibility <ul><li>Lead engineering efforts and team level processes by defining outcomes for others, refining ongoing processes, and providing technical advice to senior leaders on systems, solutions, challenges, and strategy.</li><li>Evangelist for technical standards, engineering best practices, and quality across larger Venmo team , Inc. Determines the technical tasks that other engineers will follow.</li><li>Support end-to-end ownership of design, implementation and operational excellence of software components while proactively improving existing structures and processes.</li><li>Contribute to the technical engineering roadmap by completing quality and thorough assessments of implementation alternatives and their associated trade-offs and providing recommendations.</li><li>Be consistently solutions-focused while contributing to the vision of domain and larger Venmo technical engineering roadmap.</li><li>Exercises judgement in reconciling diverse and competing priorities to identify optimal solutions to problems.</li><li>Leverage strategic thinking and experience to look ahead and anticipate consequences and risks linked to implementation choices; able to identify patterns to reduce repetition into meaningful general solutions.</li><li>A key voice on team-level processes (ex code &amp; design reviews) and oversees projects, ensuring an accurate, complete, timely and operable solution is delivered.</li><li>Serves as an expert to resolve technical inquiries of others.</li><li>Be able to provide technical leadership for a team with limited guidance from management or senior teammates.</li><li>Strong skills interacting and tailoring communication with various technical and non-technical stakeholders, such as product, support, finance operations, compliance and legal.</li></ul> Requirement <ul><li>At least 5+ years’ Experience developing and maintaining consumer-facing mobile applications at scale.</li><li>Strong Kotlin skills &amp; knowledge of multi-threaded, asynchronous code.</li><li>Deep understanding and knowledge around consuming GraphQL and REST APIs from Mobile applications.</li><li>Passionate about mentoring and developing software engineers.</li><li>Strong understanding of testing best practices and familiarity with at least one testing framework for Mobile Development. Skilled at writing Unit and Automation tests.</li><li>Strong knowledge of common design patterns, algorithms, and object-oriented programming with expertise in design patterns such as MVC and MVVM.</li></ul>

The Role:&nbsp; <ul><li>As a iOS Engineer on our Consumer Credit Mobile team, you will be building and enhancing the Buy Now Pay Later or Credit Card products. </li><li>You will leverage your technical expertise to build solutions that empower our customers to effortlessly access and manage credit accounts. </li><li>You will build out scalable solutions, seamless experiences in partnership with other consumer credit engineering, product and UED teams.&nbsp;</li></ul> Responsibilities: <ul><li>Develop and maintain high performing, reusable Swift code and stay current with the newest mobile technologies.&nbsp;</li><li>Provide and receive feedback on code through pull requests and regular reviews of processes.&nbsp;</li><li>Work with product owners to crystallize the technical needs during grooming and planning&nbsp;</li><li>meetings. You will also work with engineering managers, engineers, and partner teams to&nbsp;</li><li>develop innovative solutions.&nbsp;</li><li>Define and develop processes, tools and methodologies to achieve excellence in software&nbsp;</li><li>development, testing, and deployment, follow coding standards and guidelines with attention to performance, scalability, and availability.&nbsp;</li></ul> Requirements: <ul><li>At least 5+ years of iOS development experience with Swift programming skills.&nbsp;</li><li>Understanding of mobile UI design principles, patterns, and best practices.&nbsp;</li><li>Experience building iOS applications connected to APIs – RESTful and GraphQL.&nbsp;</li><li>Practical knowledge of iOS architecture.&nbsp;</li><li>Experience with a version control system and the processes that come with committing, reviewing, and merging code across a team.&nbsp;</li></ul> Basic Qualifications:&nbsp; <ul><li>A solid grounding in Computer Science &amp; UI Design fundamentals.&nbsp;</li><li>2-3 years of experience building successful production software systems&nbsp;</li></ul>

Job Description:What you need to know about the role:As a iOS Engineer on our Consumer Credit Mobile team, you will be building and enhancing the Buy Now Pay Later or Credit Card products. You will leverage your technical expertise to build solutions that empower our customers to effortlessly access and manage credit accounts. You will build out scalable solutions, seamless experiences in partnership with other consumer credit engineering, product and UED teams.Meet our TeamJoining the Consumer Credit experience engineering team, you will get to showcase your work every day in the real world. With rapid success in the market, we are working both on consistently releasing new and improved features grounded in data-driven decisions as well as improving and iterating on current processes. The Consumer Credit team builds and maintains the product suite of Buy Now Pay Later and Credit Card products offerings for customers. Credit Card Mobile team develops and manages the end-to-end mobile experiences around Company's revolving consumer credit products in the United States and foreign markets.Your way to impact: You will build and contribute to high-performing systems in close partnerships with various teams. You will also possess keen judgment in selecting technologies and building the right solution for the meaningful challenges we get to tackle here. Responsibilities:Develop and maintain high performing, reusable Swift code and stay current with the newest mobile technologies. Provide and receive feedback on code through pull requests and regular reviews of processes. Work with product owners to crystallize the technical needs during grooming and planning meetings. You will also work with engineering managers, engineers, and partner teams to develop innovative solutions. Define and develop processes, tools and methodologies to achieve excellence in software development, testing, and deployment, follow coding standards and guidelines with attention to performance, scalability, and availability.  Requirements:At least 5+ years of iOS development experience with Swift programming skills. Understanding of mobile UI design principles, patterns, and best practices. Experience building iOS applications connected to APIs – RESTful and GraphQL. Practical knowledge of iOS architecture. Experience with a version control system and the processes that come with committing, reviewing, and merging code across a team. Basic Qualifications: A solid grounding in Computer Science & UI Design fundamentals. 2-3 years of experience building successful production software systems 

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Senior Machine Learning Engineer

Senior Software Engineer 2 (Ruby on Rails)

Senior Frontend Engineer

Android - Sr/Staff Software Engineer

iOS - Sr/Staff Software Engineer

Senior Staff Software Engineer iOS

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6 graphql Jobs found

Senior Machine Learning Engineer

Senior Software Engineer 2 (Ruby on Rails)

Senior Frontend Engineer

Android - Sr/Staff Software Engineer

iOS - Sr/Staff Software Engineer

Senior Staff Software Engineer iOS

WhiteCrow WhiteCrow is on a mission to connect companies with the best talent across the globe.

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