At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Quento Technologies seeks a highly motivated and experienced Full Stack Developer.

Responsibilities:

At Quento, the ICT arm of the Qualco Group, we deliver comprehensive and innovative solutions across AI, Digital Engineering, Cloud, and Cybersecurity, helping businesses accelerate digital transformation. With a presence in Greece, Luxembourg, and Belgium, and backed by the expertise of the Qualco Group, we combine deep technical knowledge with strategic partnerships to support business growth.

At Quento, we empower our people to innovate and lead in delivering transformative ICT solutions to our clients worldwide. Our high-performing, dynamic, and collaborative environment fosters professional growth at every stage.

Quento Technologies seeks a highly motivated and experienced Senior Java Backend Engineer to join our team and help us build reliable, scalable backend services. You will work with modern Java technologies, cloud-native tools, and distributed systems.

Your responsibilities will entail:

Software Engineer - MTS (AI Office Suite)

Full-time | On-site

Location: San Francisco, CA

We are building the enterprise AI layer that enables agents to perform complex, judgment-heavy work by learning and leveraging a customer’s institutional intelligence. Our platform drives significant productivity gains for Fortune 100 companies across engineering, finance, and consulting. We are seeking a Software Engineer (Member of Technical Staff) to architect and ship the core systems that make this possible.

As a Software Engineer (MTS), you will own the end-to-end development of critical, real-time features that empower our AI agents. This role blends full-stack development with strategic system design, directly impacting measurable customer outcomes.

Key Responsibilities:

Senior Software Engineer - Rust

Location: Remote - European time zone

Start Date: Aiming for 15/12/2025

Job Department/BU: Engineering

Job Function: Development

We are seeking a highly skilled and experienced Senior Software Engineer focused on the Rust programming language to join our innovative Engineering team. In this pivotal role, you will be instrumental in elevating our software development processes and actively contributing to high-quality product delivery. You will serve as a technical and mentoring leader, driving best practices across multiple teams and codebases.

The Senior Software Engineer is responsible for driving the quality of engineering practices within a team, identifying and implementing cross-team improvements, and directly contributing to product development. This role requires technical leadership, mentorship, and a commitment to continuous improvement in our software building and maintenance processes.

Key Responsibilities:

Senior Full Stack Engineer (Backend Focus)

Full-time | Remote

Salary: $150,000

We are a technology platform on a mission to eliminate communication barriers by connecting users to live, qualified interpreters across hundreds of languages in seconds. We are seeking an experienced Senior Full Stack Engineer with a strong backend focus to architect and scale our core platform services.

As a Senior Full Stack Engineer, you will be primarily responsible for the backend architecture, reliability, and security of our large-scale, real-time platform. You will lead technical direction, solve complex distributed systems challenges, and drive engineering excellence.

What you'll do:

Founding Engineer, Full Stack (Product-Minded)

Full-time | On-site

Location: San Francisco

We are building a unified platform that streamlines the use of large language models (LLMs) to build and deploy applications at scale. We are seeking a Founding Full Stack Engineer to own the entire application layer, driving developer productivity by providing a single pane of glass for data collection, model evaluation, training, and deployment.

As a Founding Engineer, you will be a product-minded generalist responsible for the entire feature lifecycle. You'll primarily focus on the backend systems that interface with our core machine learning (ML) stack, ensuring a scalable and reliable platform for our customers.

What You'll Do:

Staff/Senior/Principal Software Engineer (Elixir/AI Focus)

Location: Remote (with occasional travel)

Base Location: Salt Lake City, UT, US

Employment Type: Full-time

Salary Range: $150K - $260K (Based on YOE; potential flexibility for more tenured candidates)

We are a rapidly growing, well-funded technology company trusted by enterprise clients, developing a leading AI-powered platform for a specialized professional sector. Join our small, highly efficient engineering team to take ownership of complex systems and ship features quickly in a high-velocity, modern tech stack environment.

We are looking for a Staff, Senior, or Principal Software Engineer with a strong background in software engineering leadership to drive the design, implementation, and reliability of our core product. You will take full ownership of features from concept to production in a distributed, modern stack.

What You’ll Do:

Staff Software Engineer, Machine Learning (LLM Backend)

Location: Burlingame, CA (On-site, 4 days/week)

Employment Type: Full-time

Salary Range: $145K - $250K

We are a rapidly growing AI technology company transforming mission-critical processes in the healthcare industry. We are seeking a Staff Software Engineer to architect and scale the secure, reliable backend systems that power our advanced Large Language Model (LLM) applications. This role requires expertise at the intersection of applied AI, distributed systems, and security/compliance in a regulated domain.

You will be responsible for pushing LLMs beyond demos into mission-critical, cost-efficient, and secure production healthcare workflows. This is a technical leadership role driving the end-to-end delivery of core ML/LLM systems.

Key Responsibilities:

Senior Software Engineer - AI-Powered Healthcare Communication

Location: Hybrid - San franciisco

Compensation: $125K - $200K

We are a high-growth AI and Healthcare technology company with the mission of making exceptional healthcare accessible anytime, anywhere, for everyone. Our platform uses Generative AI to facilitate millions of patient interactions, helping health systems automate operational tasks and navigate care at scale. We are well-capitalized, growing rapidly (with 10x revenue growth since January), and backed by leading investors. We are seeking a product-minded Senior Software Engineer to build and scale the customizable fleet of GenAI agents that power our platform.

You will be a critical, autonomous contributor, deeply involved in key decisions alongside the founders. Your primary focus will be on building our AI-powered healthcare communication platform, which includes developing voice agents that serve as the first point of contact for medical practices, handling tasks from appointment scheduling to patient triage. You will translate complex healthcare needs into scalable, secure software solutions.

Responsibilities:

Founding Software Engineer - AI Evaluation & Data Infrastructure

Location: San Francisco

compensation: $150K - $240K

We are building the most complex infrastructure that powers frontier data creation for agentic and hard reasoning workflows, helping push the frontier of LLMs and AI Agents. We work with all 5 of the leading AI labs and are experiencing sharp hockey stick growth. We are seeking a Founding Software Engineer with end-to-end ownership to build the systems that power data and evaluation for the next generation of AI.

This is a dynamic, high-impact role that offers immense breadth of ownership over projects that push the frontier of AI evaluation. You will move fluidly across the entire stack, from research prototyping to distributed cloud infrastructure and user-facing analytics. You must be comfortable with constant context switching and relentless shipping in a talent-dense environment.

What You’ll Do: