Senior Mobile Engineer (Swift)

Location: Remote
Experience: Senior (5+ years)
Employment: Contract

Role Overview

We are looking for a Senior Mobile Engineer with strong experience in Swift to help build the next generation of on-device AI applications. You will play a key role in building highly polished mobile experiences that leverage our Liquid Foundation Models running directly on user devices.

Finance industry experience is a plus (e.g., secure app development, regulated UI flows, mobile wallets, authentication frameworks), but not required.

Required Qualifications

5+ years of professional mobile development experience.

Strong expertise in Swift (core components, bridge modules, performance tuning).

Solid understanding of mobile performance optimization and profiling.

Experience working in fast-paced, product-focused environments.

Strong problem-solving skills and a collaborative mindset.

Preferred Qualifications

Finance industry experience

React native expirience

Required Skills Experience

React Native - 5 years

Senior Mobile Engineer (React Native)

Location: Remote
Experience: Senior (5+ years)
Employment: Contract

Role Overview

We are looking for a Senior Mobile Engineer with strong experience in Swift to help build the next generation of on-device AI applications. You will play a key role in building highly polished mobile experiences that leverage our Liquid Foundation Models running directly on user devices.

Finance industry experience is a plus (e.g., secure app development, regulated UI flows, mobile wallets, authentication frameworks), but not required.

Required Qualifications

5+ years of professional mobile development experience.

Strong expertise in React Native (core components, bridge modules, performance tuning).

Solid understanding of mobile performance optimization and profiling.

Experience working in fast-paced, product-focused environments.

Strong problem-solving skills and a collaborative mindset.

Preferred Qualifications

Finance industry experience

Swift expirience

Required Skills Experience

React Native - 5 years

Location: Remote
Experience: Senior (6+ years)
Employment: Full-time

Role Overview

We are seeking a Senior Systems Engineer with deep expertise in modern C++ to help architect and build high-performance backend services powering our distributed analytics engine. You will work across low-latency data pipelines, core compute modules, and performance-critical infrastructure.

Experience with networking protocols, concurrent systems, or high-frequency data processing is beneficial but not required.

Required Qualifications

• 6+ years of professional C++ development experience

• Strong proficiency in C++17/20 and STL

• Solid understanding of memory management, multithreading, and performance tuning

• Experience building large-scale, production-grade systems

• Strong debugging, profiling, and system-level optimization skills

• Ability to thrive in an iterative, fast-paced engineering environment

Preferred Qualifications

• Experience with distributed systems or real-time data processing

• Familiarity with Linux kernel-level programming or network stack optimization

• Knowledge of Python or Rust for tooling

Required Skills Experience

C++ — 6 years

Location: Hybrid (NYC or Remote US)
Experience: Senior (5+ years)
Employment: Full-time or Contract

Role Overview

We’re looking for a Senior Backend Engineer with strong Ruby on Rails experience to help develop and scale the core platforms behind our customer-facing applications. You will be responsible for architecting high-quality APIs, integrating third-party services, and improving the reliability of our backend systems.

E-commerce or SaaS experience is a plus but not required.

Required Qualifications

• 5+ years of professional Ruby on Rails experience

• Strong understanding of MVC architecture and REST API design

• Experience with PostgreSQL, Redis, and background job frameworks (Sidekiq, Resque)

• Comfort with scaling Rails applications and optimizing database performance

• Strong test-driven development (TDD) mindset

• Excellent communication and cross-functional collaboration skills

Preferred Qualifications

• Experience with AWS (ECS, Lambda, RDS)

• Familiarity with front-end frameworks (React, Vue, or Stimulus)

• Experience working in Agile product-driven teams

Required Skills Experience

Ruby on Rails — 5 years