Quixta

About the role

You'll join our Backend, Data & ML team and support API development, database work, integrations and data tasks under the guidance of senior teammates.

What you'll do

• Build and maintain backend APIs and services.
• Write database queries, migrations and data scripts.
• Support third-party and internal integrations.
• Help with data processing and cleaning tasks.
• Fix bugs, write tests and document your work.

What we're looking for

• 1-3 years of backend experience (internships and strong projects count).
• Working knowledge of Django and SQL.
• Understanding of REST APIs, databases and Git.
• Interest in data engineering and ML.
• Clear communication and willingness to learn.
• Experience working with AI tools for development such as Claude and Cursor

Note: You don't need to be full stack. A solid backend foundation and the ability to work with frontend and mobile teammates is what we're after.

Nice to have

• Python and basic data tools (for example pandas).
• Exposure to cloud platforms or Docker.

About the role

You'll join our frontend team and build features in Next.js under the guidance of a Senior Next.js Developer.

What you'll do

• Build UI components, pages and features in Next.js and React.
• Turn designs into responsive, pixel-accurate interfaces.
• Integrate APIs with guidance from senior teammates.
• Fix bugs, improve existing features and write clean, maintainable code.
• Take part in code reviews, standups and sprint planning.

What we're looking for

• 1-3 years of experience with React or Next.js (internships and strong personal projects count).
• Good knowledge of HTML, CSS, JavaScript/TypeScript and React.
• Strong experience with Tailwind CSS or similar styling approaches.
• Understanding of APIs and Git.
• Clear communication and willingness to learn and take feedback.
• Experience working with AI tools for development such as Claude and Cursor

Note: This is a dedicated frontend role. Backend knowledge isn't required, but you should be comfortable talking with backend teammates about what you need.

Nice to have

• A portfolio or GitHub with Next.js projects.
• An eye for UI detail and accessibility.

About the role

You'll join our React Native team and work under a Senior React Native Developer to build and ship features for our iOS and Android apps. You'll also work with the Backend team on API integrations. This is a good role for someone who wants to grow quickly in mobile development.

What you'll do

• Build mobile app features and UI components in React Native (Expo).
• Integrate backend APIs into the mobile app with guidance from the senior developer and the Backend team.
• Fix bugs, write tests and improve app performance and stability.
• Help with builds and releases to the App Store and Play Store.
• Take part in code reviews, standups and sprint planning.

What we're looking for

• 1–3 years of experience with React Native (internships and solid personal projects count).
• Good knowledge of JavaScript/TypeScript and React fundamentals.
• Basic understanding of REST APIs, JSON and how frontends talk to backends.
• Eagerness to learn and openness to feedback.
• Clear communication. You should be comfortable asking questions and working with backend and design teammates.
• Experience working with AI tools for development such as Claude and Cursor

Note: You don't need to be full stack. A basic understanding of backend concepts and the willingness to work with the Backend team is enough.

Nice to have

• A published app or personal project on the App Store or Play Store.
• Exposure to Expo, Git workflows and mobile debugging tools.

About the role

You'll work alongside a Senior Backend, Data & ML Developer and our existing backend team to build backend systems, process data, and integrate ML and data science models into our platform.

What you'll do

• Build and maintain backend services and APIs.
• Develop data processing workflows and pipelines.
• Implement, integrate and maintain ML models and data science algorithms in production.
• Optimise database queries, data models and system performance.
• Work with the frontend and mobile teams on API integrations.
• Write tests and documentation, and take part in code reviews.

What we're looking for

• 3–5 years of backend development experience.
• Strong skills in Django and working knowledge of SQL databases.
• Practical experience with ML models and data science algorithms, from training or integration through to deployment.
• Experience handling and transforming data at scale.
• Experience with cloud platforms, Git and CI/CD.
• Clear communication with backend, web and mobile teammates.
• Experience working with AI tools for development such as Claude and Cursor

Note: Full-stack experience isn't required. Strong backend and data skills plus good cross-team communication matter most.

Nice to have

• Python data and ML tools (for example pandas, scikit-learn or PyTorch).
• Experience with model serving or MLOps tools.

About the role

You'll take technical ownership of our Backend, Data & ML team and lead the backend development team. You'll design and scale our backend services, APIs and data systems, and bring data science and ML models into production. You'll also be the main technical link to the React Native and Next.js teams.

What you'll do

• Own backend architecture, API design, databases and data infrastructure.
• Design and build data pipelines and data models for analytics and ML.
• Lead the implementation, deployment and monitoring of ML models and data science algorithms in production.
• Work closely with the React Native and Next.js teams on API contracts, data flows and ML/DS integrations.
• Mentor the backend and data team, review code, and set engineering standards along with the TPM.
• Ensure system reliability, security, scalability and observability.
• Take part in the senior on-call rotation, including international paging.

What we're looking for

• 6+ years of backend development, with significant experience in data engineering.
• Strong expertise in Django, relational databases, and API design (REST/GraphQL).
• Hands-on experience building data pipelines.
• Some practical experience deploying ML models to production, including serving, versioning, monitoring and retraining (MLOps).
• Some understanding of common data science algorithms and ML techniques.
• Experience with cloud infrastructure (AWS, GCP or Azure), containers and CI/CD.
• Experience leading or mentoring engineers.
• Excellent communication skills. You should be able to explain backend and data decisions clearly to mobile and web teams.

Note: Full-stack experience is valuable but not mandatory. A strong backend and data specialist who works well with the frontend and mobile teams is a great fit.

Nice to have

• Python ML ecosystem experience (for example scikit-learn, PyTorch, TensorFlow or pandas).
• Experience with LLMs, recommendation systems or real-time data processing.
• Experience with unstructured data
• Familiarity with Next.js or React Native.
• Familiarity with US data protection requirements and compliance laws, such as FERPA or COPPA

About the role

You'll lead our Next.js frontend team. You'll own frontend architecture and guide a team of developers. You'll work closely with the Backend team to make sure integrations are well designed and delivered independently.

What you'll do

• Own frontend architecture, standards and technical decisions for our Next.js applications.
• Build scalable, performant and accessible web features.
• Work with the Backend team on API design, data flows and system requirements.
• Lead code reviews, mentor the frontend team, and assign and guide technical work with the TPM.
• Drive improvements in performance, SEO, Core Web Vitals and developer experience.
• Work with Design to turn designs into polished, responsive interfaces.
• Take part in the senior on-call rotation, including international paging.

What we're looking for

• 6+ years of frontend development, with 3+ years of hands-on Next.js work.
• Expert knowledge of React, TypeScript and modern Next.js (App Router, server components, SSR/SSG/ISR).
• Strong grasp of frontend architecture, state management, caching and performance optimisation.
• Solid experience integrating REST/GraphQL APIs and handling authentication.
• Experience leading or mentoring frontend developers.
• Excellent communication skills. You should be able to work through API contracts and requirements clearly with backend and mobile teams.
• Experience working with AI tools for development, and a willingness to integrate AI into the SDLC

Note: Full-stack experience is a strong plus but not mandatory. A strong frontend specialist who works effectively with the Backend team is a great fit.

Nice to have

• Backend experience with Django.
• Experience with Vercel, CI/CD and frontend testing (for example Playwright or Jest).
• Familiarity with React Native.
• Familiarity with US front-end compliance requirements, such as WCAG2.2

About the role

You'll own React Native development at the company. You'll lead our mobile app from architecture through to App Store and Play Store releases, and you'll mentor a Junior React Native Developer. You'll work closely with the Backend team on APIs and integrations, so clear communication across teams is essential.

What you'll do

• Own the architecture, code quality and technical direction of our React Native (Expo) apps.
• Build and maintain high-quality, performant features for iOS and Android.
• Manage the full release cycle: builds, signing, versioning, OTA updates, store submissions, and handling review feedback.
• Work with the Backend team to define API contracts, data needs and integration approaches.
• Mentor the Junior React Native Developer through code reviews, pairing and guidance along with the TPM.
• Work with Design to turn designs into polished mobile experiences.
• Take part in the senior on-call rotation, including international paging.

What we're looking for

• 6+ years of mobile development, with 3+ years of hands-on React Native work.
• Strong TypeScript/JavaScript and solid knowledge of React.
• Proven experience shipping and maintaining apps on both the Apple App Store and Google Play Store.
• Experience with Expo and EAS (Expo Application Services), native modules, push notifications, deep linking, and performance tuning.
• Solid understanding of REST/GraphQL APIs, authentication and state management.
• Experience leading or mentoring other developers.
• Excellent communication skills. You should be able to discuss requirements and trade-offs clearly with backend, web and design teams.
• Experience working with AI tools for development, and a willingness to integrate AI into the SDLC

Note: Full-stack experience is a strong plus but not mandatory. If you're an excellent mobile specialist who works well with backend engineers, we want to hear from you.

Nice to have

• Backend experience with Django.
• Experience with Next.js or sharing code between web and mobile.
• Experience with app analytics and crash monitoring tools (for example Sentry or PostHog).

Technical Project and Delivery Manager

Permanent full-time | Remote | One opening

Required joining date: on or before December 1, 2026.

Own day-to-day execution across our mobile, frontend, and backend/data teams. This is a non-coding role working closely with the technical lead, who retains ownership of technical direction.

Responsibilities

• Translate project priorities into clear tasks, owners, milestones, and delivery plans.
• Allocate team capacity, coordinate dependencies, and track progress across development and design.
• Identify delivery risks early, resolve blockers with the technical lead, and communicate decisions and trade-offs.
• Coordinate testing, release readiness, and mobile app store submissions with the engineering team.
• Maintain clear status updates and improve planning, handoffs, and follow-through in a remote team.

Essential skills and experience

• Experience managing software delivery across multiple developers and technical workstreams.
• Strong technical understanding of React Native, iOS and Android release processes, Next.js, and backend/API integrations.
• Ability to break down work, prioritize competing needs, and manage dependencies without daily founder intervention.
• Clear written communication, stakeholder coordination, and practical experience using project tracking tools.

Preferred experience

Experience coordinating mobile and web releases, working with distributed teams, and improving delivery processes in a growing team.

Application details

Share your CV, current location, expected compensation, notice period, and earliest confirmed joining date. Please also include a brief example of a software project you managed, including team size, your responsibilities, and how you handled a delivery risk.