Skip to main content

Senior Backend Engineer

posted by: spj_bot

Location: Remote - +/- 3 hours from CET (EST / Europe preferred)

Remote | Full-time

Compensation: $90K - $150K

We are hiring on behalf of our client in the high-growth Web3 and DeFi sector who is seeking a Senior Backend Engineer to join its core Platform team. This organization builds and evolves the distributed backend systems that power its primary products and customer-facing solutions.

The successful candidate will design and operate complex systems, manage Web3 infrastructure, and collaborate closely with product and platform engineers to deliver reliable, scalable solutions. This role is ideal for an engineer who values strong ownership, thoughtful system design, and maintains a high bar for code quality. The client fosters an environment that prioritizes building solid systems and moving quickly without compromising standards, leveraging modern tools—including AI—to maximize efficiency.

Key Responsibilities:

Job Skills

View the job post & apply

Staff Software Engineer - Backend & AI Infra

posted by: spj_bot



Staff Software Engineer - Backend & AI Infra

Remote | Full-time

Location:
Based in US to GMT timezones

Compensation: Competitive Compensation Package

Our client is a high-growth technology firm. They are seeking a Staff Software Engineer to spearhead two critical domains: the core agent runtime and backend infrastructure powering a high-frequency trading fleet, and the comprehensive migration of model hosting and agent deployment to in-house, proprietary infrastructure.

This is a foundational, high-impact building role. The successful candidate will design and implement the backend services, runtime engines, and deployment systems that enable a fleet of autonomous agents to operate with superior speed, reliability, and intelligence. By moving away from third-party LLM providers and hosted platforms, this role will establish the sovereign infrastructure necessary for the next generation of autonomous financial software.

Key Responsibilities

Agent Runtime & Backend Development

Job Skills

system architecture incident response financial software real time system reliability high throughput equity security policy websocket custom built ul operate persistence job scheduling design build debugging high frequency trading distributed systems bridging management node js uptime data pipeline execution systems acting backend self host bridge hosted process migrating high performance low latency telemetry reinforcing time market operational trading system analytical redis bigquery platform tool python deployment systems high frequency managed securely operations advanced systems deep dive kubernetes hosting infrastructure as code real time collaborative infrastructure system incidents yaml typescript applicable data e multi agent writing stakes software engineer market intelligence manage track
View the job post & apply

Senior Backend Engineer

posted by: spj_bot

Senior Backend Engineer

Location: US or Europe (Must have solid overlap with EST)

Remote | Full-time

Compensation: $150K - $200K

Our client is an industry-leading DeFi organization building the next generation of trading infrastructure. Operating as the largest builder-code product on a major decentralized exchange protocol, the company has processed over $65B in cumulative trading volume and generated eight-figure revenue over the past year. With a user base exceeding 400,000 registered traders, the platform is at the forefront of democratizing access to global financial markets across crypto, equities, and commodities.

The organization operates as a lean, highly technical team of individual contributors who prioritize autonomy, ownership, and rapid execution. This environment is designed for a Senior Backend Engineer who thrives in 0-to-1 environments and is capable of building ambitious systems from the ground up. This role is central to scaling trading interfaces that manage billions of dollars in daily volume while maintaining high-speed, intuitive user experiences.

Key Responsibilities

Job Skills

View the job post & apply

Mobile App Engineer

posted by: spj_bot

Mobile App Engineer

Location: New York (Office)

On-site | Full-time

Compensation: $185K - $300K

Our client is developing a next-generation mobile trading platform designed to redefine the future of finance. Unlike simplified retail applications, this platform offers a full-featured trading experience, including live market data, complex order types, and multi-venue execution.

The Mobile Engineer will be responsible for bringing the power of professional trading terminals to a mobile form factor. The role involves tackling sophisticated engineering challenges, such as maintaining synchronized real-time price feeds and ensuring system performance remains stable during periods of high market volatility. This position is ideal for a developer who excels in high-bandwidth, in-person collaborative environments and is passionate about building ambitious systems from the ground up.

Key Responsibilities

Job Skills

View the job post & apply

AI Engineer - Pentesting Agent

posted by: spj_bot

AI Engineer - Pentesting Agent

Location: Preference for the UK or US

Remote | Full-time

Compensation: Competitive

Our client is the fastest-growing online cybersecurity training platform in the industry, currently serving more than 6 million users and over 1,000 global businesses, including government agencies and Fortune 500 organizations. With a significant initial investment, the organization is developing a fully autonomous AI pentesting agent designed to plan, exploit, adapt, and report with the speed and precision required for modern offensive security.

The team is seeking a talented AI Engineer to join a small, high-impact group dedicated to building this autonomous system from the ground up. This role is ideal for a deeply curious engineer with a passion for AI agents and a strong interest in the cybersecurity domain. The successful candidate will design the core logic of the system, shaping its reasoning, memory, and execution flows to handle complex offensive security tasks reliably.

Key Responsibilities

Job Skills

View the job post & apply

Full Stack Engineer

posted by: spj_bot

Location: San Francisco, CA, US

On-site | Full-time

Compensation: $170K - $230K•0.15% - 0.30%

A high-growth, venture-backed startup based in San Francisco is seeking an ambitious Full Stack Engineer to join their engineering-driven team. This is a role for an individual who thrives in high-stakes, fast-paced environments where code deployed one night is demoed to thousands the next morning.

Our client provides an agentic Operating System for sales that closes the loop between coaching and execution. Having recently secured a $15M Series A and experiencing 5x ARR growth year-over-year, the organization is scaling rapidly. The engineering culture is defined by radical ownership, speed, and technical excellence. The team is composed of former founders and high-achievers who prioritze impact over process.

This role is strictly on-site five days a week in San Francisco. It is designed for an engineer with "something to prove" who is looking to operate with massive autonomy during a period of hyper-growth.

Key Responsibilities

Job Skills

View the job post & apply

Senior Backend Engineer - Stellar Ecosystem

posted by: spj_bot

Senior Backend Engineer

Location: EMEA / EU Hours - Authorised to work in EMEA

Remote | Full-time

Compensation: €90K - €130K

Our client is a high-growth fintech leader specializing in simplifying multi-chain DeFi for traditional financial institutions, fintechs, and service providers. By offering a unified API, the platform provides seamless access to on-chain liquidity across all major blockchains for optimized same-chain and cross-chain swaps. The organization is on a mission to enable a fairer, decentralized world while prioritizing exceptional user experiences to make complex technologies accessible to a global audience.

The organization is seeking multiple Senior Backend Engineers to lead the design, development, and maintenance of robust, scalable, and secure backend systems. Reporting to the Backend Lead, the successful candidates will collaborate with cross-functional teams— including frontend developers, product managers, and designers—to deliver high-quality software solutions. The technical environment utilizes a modern stack including Node.js (TypeScript), MongoDB, Redis, and ethers.js, supported by a GitOps CD chain involving Kubernetes and AWS.

Key Responsibilities

Job Skills

streamline system architecture professional test suite prioritizing leadership product managers reliability mentorship operates equity security policy personal development scalable integration code review high availability adapt service provider debugging business requirement node js maintainability stakeholder communication collaboratively computer science backend prioritizes readability infrastructural manager analytical quality software mongodb redis algorithms accountability collaborate development budget managed securely best practices communication skills deep dive blockchain kubernetes innovation cross functional teams document databases problem solving financial institution performance optimization API initial screening collaborative english typescript applicable data user experience budget onboarding
View the job post & apply

Backend Software Engineer

posted by: spj_bot

Software Engineer (Backend & AI Infrastructure)

Location: San Francisco, CA

Hybrid | Full-time

Compensation: $160K – $300K + Equity

Our client is a venture-backed technology firm based in San Francisco that is redefining the global research industry through AI-powered user interviews. By leveraging advanced AI-moderated technology, the platform enables global enterprises to achieve deep qualitative insights at unprecedented speed and scale. Currently serving world-class brands across the technology and consumer sectors, our client is disrupting a $140B market by replacing slow, high-cost legacy services with high-performance automated solutions.

Following a breakout year characterized by 8x growth, the organization recently secured a $30M Series B funding round led by top-tier Silicon Valley investors. The engineering team is currently scaling to support the rapid adoption of AI-moderated research as the new industry standard. This is a high-impact opportunity for a Backend Software Engineer to join a lean, elite team of 30 in San Francisco and take ownership of mission-critical infrastructure.

Key Responsibilities

Job Skills

View the job post & apply

Senior Director Systems Operations

posted by: spj_bot

DSI Systems Inc., an authorized AT&T partner and leading provider of sales enablement solutions, is seeking a Senior Director, Systems Operations to lead the strategy, governance, and optimization of the enterprise platforms that power our sales, customer support, and field organizations. This executive-level role is responsible for the performance, scalability, security, and innovation of mission-critical systems, including contact center technologies, CRM and support platforms, and AI-driven enablement tools.

Reporting to the Senior Vice President of National Sales, the Senior Director will define and execute a long-term systems strategy aligned with business growth objectives. This leader will drive cross-functional collaboration, oversee enterprise integrations, strengthen vendor partnerships, and build a high-performing Systems Operations team to ensure technology capabilities continuously advance operational excellence and customer experience.

About DSI

Founded in 1984, DSI is a family-owned company committed to delivering exceptional value and measurable results to our clients and partners. Our comprehensive services include sales management, marketing support, hardware logistics, immersive training, engineering expertise, and proprietary software solutions—all designed to drive growth and operational efficiency.

Job Skills

system architecture leadership customer experience reliability customer support single sign on information system sales service level agreement cross functional integration ul plan negotiate director systems sale management uptime data integrity continuous improvement cross functional collaboration logistics operational enhance performance enterprise systems operational excellence service level sale enablement enterprise platforms long term systems operations technology management life insurance support operations analytics operations manage vendors innovation communication skills interoperability critical systems training functions adoption system implementation mobility broadband strategy negotiate scalability performance optimization support systems operational efficiency enterprise integration sale operation communication training scale advanced certifications CRM proprietary software manage execute
View the job post & apply

Senior Product Manager

posted by: spj_bot

About us:

Soar is a global fintech startup that specializes in financing and investment. Currently headquartered in Saudi Arabia, Soar is growing throughout the region with a mission to help people achieve their financial goals with innovative financial and property investment solutions and tools through its multi-purpose platform, designed to offer a simple and seamless user experience.

Role Overview

We are seeking a Senior Product Manager – Finance & Lending Systems to lead the strategy, design, and execution of Soar’s financial infrastructure. This role is responsible for the end-to-end product lifecycle of financing, payment, settlement, and reconciliation systems. The successful candidate will work at the intersection of lending, payments, regulatory compliance, and banking integrations within the Saudi market. The position requires strong expertise in regulated financial environments and the ability to translate complex financial and regulatory requirements into scalable product solutions.

Key Responsibilities

1. Product Strategy & Ownership

• Define and own the roadmap for financing and financial transaction systems.

• Align product initiatives with regulatory requirements and operational objectives.

Job Skills

regulatory compliance system architecture testing strategies risk financial customer experience reliability risk management bank cross functional system design operate product lifecycle regulatory requirement scalable product manager resiliency mitigation operations risk suspicious activity service provider risk control management strategy design accounting principles financial datum amortization schedule translate operational financing banks high availability high analytical financial transaction finance product management payment service provider product strategy arabic language reconciliation collaborate multi purpose banking workflows real estate settlement financial calculation product design literacy innovative exception handling scalability API transaction systems authorization operational efficiency infrastructure embedded product engineering real estate finance regulated financial investment system support user experience e coordinate user story audits structured settlement financing structures financial system integrations refund
View the job post & apply
Subscribe to system architecture

SPJ is not just a platform; it's a transformative force in the maritime sector. We reinvent job discovery and collaboration, leveraging cutting-edge AI to create a space where careers thrive and innovations set sail.

Featured Posts