Founding Full Stack Software Engineer (Backend/AI Focus)

Location: Los Angeles, CA, US (On-site)

Employment Type: Full-time

Salary Range: $160K - $225K

We are a rapidly growing, Y-Combinator-backed (YC X25) startup operating at the intersection of AI and Cybersecurity. We are building fully autonomous, in-house AI agent systems designed to solve critical, large-scale problems in modern web application security. Join a small, high-impact founding team to define and build the core technology from the ground up.

We are seeking a skilled and passionate Founding Full Stack Software Engineer with a strong focus on backend development and AI systems. You will be responsible for designing, developing, and maintaining highly scalable, high-performance web applications and our cutting-edge AI Agent platform.

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

Lead Mobile Engineer - Fintech/Blockchain

Location: Remote - Location: US or EU (remote-first, office optional). Based in EST time zone preferably and as close to France, Paris is always the major preference.

Compensation: $140K - $220K

We are hiring a Lead Mobile Engineer to drive the user-facing side of our secure, next-generation financial platform. This remote-first role is focused entirely on mobile, requiring you to design, build, and refine our iOS and Android applications, craft intuitive cross-platform interfaces, and shape the mobile SDKs that developers rely on. This is a critical opportunity to turn complex financial requirements into simple, trustworthy workflows while owning projects end-to-end.

As the Lead Mobile Engineer, you will set the technical direction for our user-facing mobile experience, balancing fintech-grade UX with bank-grade security and reliability. You will be responsible for bringing complex requirements into production quickly and rigorously.

Responsibilities:

Fullstack Engineer (Python, React)

Location: San Francisco, CA

Employment Type: Full-time

On-site: 9-9-6 in-office schedule

About the Role

Our client is an intensely ambitious, hyper-growth AI startup that is completely rebuilding the foundation of the world’s largest industry: Insurance Claims Processing. They achieved six-figure ARR in just three months and raised a highly oversubscribed $3.8 million seed round from top-tier investors. Their team comes from elite global AI labs (Oxford, Cambridge, ETH Zurich).

They are seeking a Fullstack Engineer with a strong backend focus and clear signals of technical excellence. This role is defined by total ownership—you will be expected to ship features end-to-end and solve every problem, from core infrastructure design to direct client integrations for AI use cases.

What You'll Do

Location: New York, NY (Flatiron District)

Employment Type: Full-time

On-site: 5 days/week in-person (Non-negotiable)

About the Role

Our client is a high-growth, venture-backed defense tech company working at the cutting edge of signal processing, machine learning, and embedded systems. As a Machine Learning Infra Engineer, you will design and build core infrastructure from scratch to handle petabytes of radio spectrum data. This is a high-ownership role for an experienced engineer who has strong opinions on tooling best practices and can make informed, future-proof decisions about architecture.

This team operates with a high bar for talent, a culture of high growth and high ownership, and requires an in-person presence to foster collaboration.

What You'll Do

Who we are:

Centah Inc. is a scaling Software as a Service (SaaS) company that is part of Financeit. We have become the leading experts in providing innovative and configurable solutions to home improvement retailers, trades, construction and facility management departments.  Our world-class development team has created configurable Work Order Management software that helps our clients to maximize their service levels and increase sales leads.

Together we created a place where collaboration, inclusivity, fairness, and respect aren’t just ideas that get talked about, but are part of who we are. If such a workplace intrigues you, we hope you’ll join us.

About the role:

Our development team is searching for an experienced Software Developer to help our company in pursuit of our vision and goals! Centah supports some of the largest retailers in the world with lead generation, workflow management, live contact agents, financing and promotions.

Our current technology stack includes a Ruby on Rails backend, Ember.js for frontend development, and PostgreSQL as our database system.

We are looking for developers who value continuous learning and development, collaboration with the team, and of course the quality of their code.

What you’ll do:

About Jobgether:

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for an Engineering Manager (JavaScript / NodeJS / TypeScript) in Portugal.

We are seeking a skilled Engineering Manager to lead small to mid-sized cross-functional teams responsible for delivering scalable SaaS products in the digital advertising space. This role combines leadership, technical guidance, and hands-on coding, focusing on NodeJS microservices and TypeScript-based applications. You will collaborate closely with product and design teams, ensure the quality and maintainability of code, and mentor engineers to help them thrive. This position offers an exciting opportunity to shape engineering culture, practices, and team success.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Cloud Database Support Engineer in United States.

As a Cloud Database Support Engineer, you will provide crucial support to enterprise customers by diagnosing and resolving complex technical issues related to databases. You will be responsible for troubleshooting database internals, SQL queries, and system-related configurations, ensuring the seamless operation of cloud databases. You will work closely with product development teams, sales engineers, and technical account managers to ensure quick resolutions for critical outages and help improve internal processes. This role demands technical expertise combined with a customer-focused approach to ensure customers' positive experiences.

Accountabilities:

About Jobgether

Jobgether is a Talent Matching Platform that partners with companies worldwide to efficiently connect top talent with the right opportunities through AI-driven job matching.

One of our companies is currently looking for a Senior/Staff AI Engineer in the United States.

This is an exciting opportunity for an experienced software engineer to lead the development of AI-first SaaS products powered by advanced Large Quantitative Models (LQMs) and agentic frameworks. In this role, you’ll work alongside a high-caliber team of engineers and scientists to design, prototype, and deliver complex software systems from the ground up. You will have a central role in shaping product architecture, driving technical innovation, and ensuring the reliability and scalability of new solutions. If you're passionate about AI, experienced in building production-grade software, and eager to contribute to transformative applications, this position is a strong match.

Accountabilities: