Design, create, and maintain robust, efficient, and reliable backend services to meet our platform's evolving needs.
Collaborate closely with business stakeholders to architect and implement new services from inception to delivery.
Contribute to developing new features and capabilities that deliver substantial value to our customers.
Sardine is a leader in fraud prevention and AML compliance. Their platform uses device intelligence, behavior biometrics, machine learning, and AI to stop fraud before it happens. They have hubs in the Bay Area, NYC, Austin, Toronto, and São Paulo and maintain a remote-first work culture with talented, self-motivated individuals.
Lead the architectural design and hands-on development of our global fiat payment rails.
Architect, implement, and scale seamless API integrations into our banking partners' systems.
Develop robust internal operational tooling to support reconciliation, automated alerts, financial operations, and compliance reporting.
Zerohash is the leading crypto and stablecoin infrastructure platform and the operating system for digital money, powering the next generation of financial services. Founded in 2017, zerohash enables banks, brokerages, fintechs, and payment companies to offer crypto trading and is trusted by some of the world’s most recognized financial and consumer brands.
Design, build, test, deploy, and maintain scalable, reliable platform services and shared libraries.
Contribute to platform and system architecture decisions with a focus on reliability, scalability, and developer experience.
Write high-quality, maintainable code and set a strong example of engineering best practices.
Oportun is a mission-driven financial services company that aims to help its members reach their financial goals. They have provided more than $21.3 billion in responsible and affordable credit and saved its members more than $2.5 billion in interest and fees.
Build and own backend services, infrastructure, and data systems.
Solve complex scalability challenges.
Gain expertise in financial systems and make a direct impact.
Devexperts works with financial institutions, delivering products and solutions for retail and brokerage houses, exchanges, and buy-side firms. They focus on trading platforms and brokerage automation, complex software development, market data products, and IT consulting.
Design, build, test, deploy, and maintain scalable and reliable platform services and shared libraries.
Contribute to platform and system architecture decisions with a focus on reliability, scalability, and developer experience.
Mentor and support junior and mid-level engineers through code reviews, pairing, and technical guidance.
Oportun is a mission-driven financial services company that aims to put its members' financial goals within reach. They have provided more than $21.3 billion in responsible and affordable credit and saved its members more than $2.5 billion in interest and fees.
Lead the design of a double-entry, multi-partner sub-ledger architecture.
Design the integration layer that lets the company add or swap partners without rewriting product code.
Design how OFAC screening, BSA/AML signals, and in-house fraud models run inline on every money movement decision.
CertifID provides a secure platform that verifies identities, authenticates wire transfer instructions, and detects fraud attempts in real estate transactions. They have been recognized as one of the Best Startups to Work for in Austin and prioritize a dynamic work environment.
Design, build, and maintain scalable backend services and APIs that power Chattermill’s core analytics platform.
Architect reliable, maintainable distributed systems and contribute to the evolution of backend service design and infrastructure.
Own end-to-end delivery of backend engineering workstreams, from technical scoping and architecture through to implementation, testing, observability, and production support.
Chattermill helps large successful brands like Uber, Amazon, and Wise put their customers at the centre of everything they do. Using best-in-class tech in a fast-evolving AI space, their Customer Experience Intelligence platform continuously analyses feedback to help clients identify what to do next.
Plan, design, and ship features across the team's core services, including KYC and identity verification.
Take primary responsibility for a defined slice of Trust's surface area, driving design, implementation, rollout, and ongoing operations.
Partner with product and engineering teams onboarding to KYC, tokenization, filevaulting, and deduplication to communicate changes and write documentation.
EarnIn is building products that deliver real-time financial flexibility for those with the unique needs of living paycheck to paycheck. The company is growing fast and continues to bring world-class talent onboard to help shape the next chapter of its growth journey.
Design and build backend systems, APIs, infrastructure, and platform capabilities that improve developer workflows across Reddit.
Build scalable and reliable systems across both AI-powered developer workflows and the core non-AI systems engineers rely on every day.
Lead high-impact projects across Reddit’s developer tooling ecosystem by writing and reviewing code and design docs, aligning stakeholders, and making pragmatic technical tradeoffs.
Reddit is a community-based platform built on shared interests, passion, and trust, facilitating open and authentic conversations. With over 100,000 active communities and approximately 126 million daily active unique visitors, it serves as one of the internet’s largest sources of information.
Design the systems that power every financial report and statement, from monthly reports to daily statements to custom client requests.
Build automated frameworks that guarantee accuracy and consistency for every number sent to clients.
Collaborate closely with Data Engineers on data contracts and SLAs to ensure seamless integration between the data engine and API layer.
Anchorage Digital is building the world’s most advanced digital asset platform for institutions to participate in crypto. Founded in 2017, Anchorage Digital is a regulated crypto platform that provides institutions with integrated financial services and infrastructure solutions.
Build and maintain backend services and full-stack features
Develop scalable APIs and systems handling high-volume traffic
Improve system performance, reliability, and security
Lavendo partners with startups and high‑growth companies to help them hire top‑tier sales, go‑to-market, and technical talent. At Lavendo, they partner with clients who care about building high‑performing, inclusive teams, and they hold themselves to the same standard.
Build and evolve the frontend experiences customers use to create, preview, and analyze email campaigns.
Design and scale the backend systems that power high-volume email sending, including queue management, retry logic, and event processing.
Own deliverability-adjacent systems: bounce classification, suppression management, IP/domain reputation monitoring, and feedback loop processing.
Customer.io's platform is used by over 8,000 companies to send billions of emails, push notifications, in-app messages, and SMS every day. They help teams send smarter, more relevant messages using real-time behavioral data; under the hood, Go, React, Ember and AI help them ship fast and scale with confidence.
Take part in all development aspects from design through production of a dynamic hybrid/cloud native product.
Write high quality, testable and efficient code in Go and Typescript.
Initiate and promote new ideas for continuous improvement of the product functionality.
Torq is a cybersecurity company with an AI SOC platform that grabs attention. Backed by Series D funding, they have experienced 200% employee growth and 300% revenue growth, making them one of Forbes' Best Startup Employers in America and a Business Insider 'startup to bet your career on'.
Build and ship new features across Privacy.com 's product suite, working on both frontend and backend systems.
Use AI coding tools (Claude Code, Cursor, Copilot, etc.) effectively across the full development lifecycle and help establish patterns for the team.
Collaborate with product and design to translate requirements into technical solutions that prioritize customer experience.
Privacy.com is the virtual card platform giving consumers and small businesses complete control over their online payments. Their dedicated team of 35 sits at the heart of Lithic's 160+ person organization, spanning 26 states and 7 countries, headquartered in New York City.
Own and ship full-stack features end-to-end, from shaping early ideas to delivering production systems used by customers daily.
Build complex, data-dense interfaces that don't break under real customer data.
Use AI tooling as your primary mode of writing code; own architecture, decomposition, verification, and review.
They are building an AI-native back-office for small businesses, offering autonomous agents and expert-backed service. This is a lean, high-trust team, which means less process, fewer layers, and more ownership for the engineers, who shape the product and influence decisions.
Design, build, and operate cloud-native applications with an emphasis on reliability.
Embed automated testing, observability, and operational ownership into feature delivery.
Collaborate with product engineering teams to champion event-driven best practices.
Topstep provides training and insights to both new and experienced traders, facilitating payout requests. They foster a collaborative culture with open communication and offer various perks to support employee well-being and professional growth.
Design, develop, deploy and maintain new and existing applications.
Co-own our services architecture, resilience, scalability and robustness.
Grow on technical leadership & mentorship of other engineers.
Qonto provides a finance workspace with banking at its core, augmented by financial tools, creating freedom for SMEs to succeed. Founded in 2017, Qonto has over 1,600 employees and serves over 600,000 customers across 8 European countries with a customer satisfaction-focused culture.
Design and develop scalable AI-powered backend systems for SysML-based engineering environments
Build and maintain distributed data ingestion and ETL pipelines for large-scale engineering artifacts and technical documentation
Develop and optimize LLM-powered workflows for metadata extraction, semantic analysis, and entity resolution
Sigma Software builds scalable AI-driven systems. They are an innovative team leveraging AI, semantic graphs, and distributed processing to deliver impactful solutions.
Design, develop, and deliver high-quality backend services and APIs primarily using Go (Golang) and deploy them in Kubernetes environments.
Build and maintain automated tests for backend services, participate in code reviews, and monitor service performance in production to debug issues.
Provide technical guidance on backend architecture and integration challenges, sharing knowledge and supporting continuous improvement of processes and documentation.
Applied Systems provides innovative software and services for the insurance industry. They are an established insurtech company with 40+ years of experience and focus on creating a collaborative, value-driven culture for their team.
Build scalable backend services and APIs that power our digital merchandising platform.
Work with other senior engineers to contribute to high level decisions about the architecture and design.
Work with Product Managers to make Jane’s advertising product offerings sound, robust and easy to use.
Jane Technologies is an MIT-founded eCommerce company in the cannabis industry experiencing rapid growth. Their mission is to bring confidence to the online cannabis shopping experience by connecting consumers with local dispensaries and brands. They are a small close-knit team of highly technical engineers with diverse backgrounds and a strong engineering culture.