Senior/Lead Backend Engineer - FinTech/Crypto

location: Remote - Fully remote across Europe - they can do B2B or hire through EoR.

compensation: $115K - $130K

We are seeking a Senior/Lead Backend Engineer to join our team dedicated to revolutionizing the FinTech and crypto industries. You will be a pillar of our engineering team, working directly with the product team to solve complex banking and crypto problems. This role requires an obsession with robust architecture, efficiency, and resilience, and a commitment to delivering the most elegant solutions and the best product for our customers.

This is a fast-paced, high-impact role where your speed, ability to deliver, and capacity for elegant problem-solving will be critical. You will be responsible for building the core services that drive our new paradigm in finance.

What you’ll be working on:

Full-Stack Engineer, (AI)

Location: NYC preference - will accept Remote USA to work EST hours - Will accept LATAM region to work EST hours, and also Tel Aviv

Remote | Full-time

Compensation: $160K - $200K

Our client is a pioneer in automated, on-chain economic security systems, providing high-fidelity custom EVM simulations to protect and optimize decentralized finance (DeFi) protocols. Trusted by the industry’s leading platforms to secure and manage billions of dollars in assets, our client enables crypto protocols to refine risk management and capital efficiency through actionable, data-driven insights.

The organization is seeking a proactive and results-driven Full-Stack Engineer to join their AI division. Reporting directly to the Head of Product & AI, this individual will play a critical role in collaborating with the CEO and the AI team to develop a sophisticated financial AI agent. The ideal candidate thrives in high-velocity, self-directed environments and possesses the technical breadth to manage everything from scalable backend services to high-performance, user-facing interfaces.

Key Responsibilities

Software Engineer (Backend/AI)

Location: San Francisco, CA (100% On-site)

Compensation: $140,000 - $300,000 (Base Salary) + Significant Equity

We are a rapidly growing AI company that helps AI teams ingest real-world enterprise data with state-of-the-art accuracy. Our platform trains vision models and integrates LLMs to read unstructured documents (like PDFs and spreadsheets), enabling customers to build products and automate processes at scale. With rapid 7x YOY revenue growth and over $100M in funding, we are seeking a highly skilled Backend/AI Engineer to work on our core document processing API.

This is a high-agency, full-development-lifecycle role where you will build and optimize the core infrastructure that makes state-of-the-art document understanding accessible at scale for hundreds of companies, from startups to large enterprises.

The core work will include:

Tiger Analytics is a leading advanced analytics consulting firm, recognized for its deep expertise in Data Science, Machine Learning, and Artificial Intelligence. We partner with several Fortune 100 companies to solve complex business challenges and drive measurable impact through innovative analytical solutions.

We are seeking an experienced Onsite Techno-Functional Lead to drive a key digital transformation initiative for a leading wealth management firm. In this role, you will serve as the primary liaison between client stakeholders and our offshore delivery team, translating business requirements into effective technical solutions for the firm’s new Advisor and Client Portals. Your leadership, domain expertise, and technical acumen will be instrumental in ensuring the project’s success and delivering tangible business value.

Responsibilities-

• Lead client engagement, from requirement gathering and analysis to stakeholder management.
• Provide techno-functional leadership, designing solutions and guiding the integration of systems like Salesforce and Tamarac.
• Manage the project using Agile methodologies, coordinating with offshore teams to ensure timely and high-quality delivery.
• Drive the end-to-end project lifecycle, including risk management and quality assurance.

Requirements

The Project (Field) Engineer will deliver assigned work packages with attention to detail, participating in their allocated team for the successful execution of project or tender.

The Project (Field) Engineers are expected to:

·     Pursue innovation and improvement in engineering & design practices.

·     Pursue the concept of 'Design for safety, function and practicality / economy of fabrication', in accordance with the DOF Engineering Manual, project BoD, Client expectations, budget and schedule.

·     Understand and apply industry codes / standards required to support specific project or tendering requirements

- including AS / DNV / API / IMCA / AISC etc.

·     Ensure all technical deliverables are concise, legible, accurate and in compliance with DOF standards & templates.

·     Ensure all work is completed in accordance with the DOF Engineering Manual.

Requirements

TASKS AND RESPONSIBILITIES

Key Tasks:

Project (Field) Engineers are expected to carry out the following work tasks:

·     Assemble and review all design inputs required to support specific project or tendering works.

·     Own and be responsible for delivery of discrete work packages as allocated by your functional and administrative managers, on time and in budget

Founding Engineer

Location: New York City, NY (100% On-site)

Compensation: $150,000 - $250,000 (Base Salary) + Significant Early-Stage Equity

We are an early-stage, YC-backed company building the future clean data layer for the internet, starting with financial firms. Our platform solves complex data cleaning, extraction, and validation problems by combining advanced AI (LLMs) with expert human review via a simple API. We're looking for a highly capable and driven Founding Engineer to join us and help build the core of our platform from the ground up. This role offers an opportunity for the right candidate to grow into a CTO-level position.

As a Founding Engineer, you will take ownership of critical systems that drive our product, working across the entire stack. You will directly influence our product strategy and technical direction, experiencing the full arc of building a successful startup.

What you'll do:

Tiger Analytics is one of the fastest growing advanced analytics consulting and Engineering services firm. We are the trusted analytics partner for several Fortune 100 companies, enabling them to generate business value from data. Our consultants bring deep expertise in Data Science, Machine Learning and Al, and our engineers bring innovative engineering techniques to enable scalable data platforms and data products that are insights driven. Our business value and leadership has been recognized by various market research firms, including Forrester and Gartner.

We are looking to hire a Data Architecture Lead to design, develop, and govern the organization’s end-to-end data ecosystem. This role will define the vision, strategy, and roadmap for how data is collected, integrated, stored, and accessed to enable digital transformation, AI/ML, and advanced analytics initiatives.

Requirements

Software Engineer (New Grad - Construction Tech Platform)

Company: Agave (YC W22)

Location: San Francisco, CA (FiDi)

Employment Type: Full-time

Work Arrangement: On-site 5 days a week

About the Role

Our client is a well-funded, profitable YC-backed startup (YC W22) modernizing the $12 trillion global construction industry. They solve a massive problem: connecting fragmented, siloed software systems—many of which are 20-40 years old, on-prem, and lack modern APIs. They build proprietary APIs to connect these systems and wrap them in a modern UI to automate critical work, like syncing financial data between job sites and accounting offices. The company has over 200 paying customers, is cash-flow positive, and is backed by investors like Accel and leaders from Procore and Autodesk.

They are seeking a world-class New Grad Software Engineer who loves simplifying complex systems, unifying fragmented data, and building high-scale backend systems. This role offers high ownership and the chance to work on unique technical challenges that exist at the intersection of old-school enterprise and modern cloud infrastructure.

What You'll Be Doing (Interesting Technical Challenges)

Software Engineer (Early Team Member)

Location: San Francisco, CA (On-site)

We are a rapidly growing, well-funded startup building an innovative AI-powered productivity tool for professional teams. We help users capture, organize, and utilize insights from their daily conversations, making every meeting more valuable. You'll be joining a small, high-impact team of experienced engineers as employee #5 and play a crucial role in shaping our product and technical foundation.

This is an end-to-end engineering role where you will take ownership of features from conception to deployment. We're looking for a highly motivated and quality-focused individual who takes pride in their craft.

What You'll Do:

Robusta Technology Group (RTG) is a key driver of digital transformation by providing a holistic tech ecosystem. RTG works with its local and international partners to help build digital customer experiences, establish engineering hubs and build ventures across multiple industries and domains. In this pursuit, RTG serves as a catalyst for impact and growth through events, spaces and content focused on creating impact and growth across the different interactions.

Octopus is proud to be part of the Robusta Technology Group (RTG), a leading tech consultancy group. With a decade of experience and a successful track record of delivering over 300 projects across Europe, the Middle East, and North America, RTG has established itself as a preferred employer in the Egyptian market. Octopus and Robusta are building a bridge between Europe and Africa, creating tailored hub solutions to connect companies with top talent across the globe.

Responsibilities