Own backend solutions end to end, from understanding business problems to production deployment.
Design and evolve services for performance, scale, resilience, and data integrity.
Diagnose production problems, address root causes, and share knowledge across the team.
Trading212 enables everyone to build wealth by creating exceptional trading and investing products. Serving over 6 million clients with more than €38 billion in assets under management, the company values high standards, high velocity, and engineering ownership.
Own high-consequence backend problems spanning services and product domains.
Establish architectural direction and make technical decisions explicit.
Mentor senior engineers and improve engineering judgement across teams.
Trading212 is a fintech company that reinvents trading and investing by creating exceptional products for wealth building. They serve over 6 million clients with more than €38 billion in assets under management, fostering a culture of high standards, high velocity, and engineering ownership.
Design and build high-performance backend services and APIs for early-stage startups.
Optimize databases, caching layers, and event-driven architectures.
Collaborate with cross-functional teams to align backend strategy with business goals.
SignalFire is a venture capital firm that partners with early-stage startups shaping the future of technology. Our portfolio spans 200+ companies across AI, cybersecurity, healthtech, and fintech.
Design, build, and maintain backend services for the data layer that stores and serves Camunda 8's process data, spanning relational databases and Elasticsearch/OpenSearch.
Own the end-to-end delivery of engineering initiatives, working with Product Management to break down requirements into concrete solution designs.
Help evolve how we process, retain, and expose process data, so customers can work with their data the way they need to.
Camunda is the enterprise platform for agentic orchestration, enabling organizations to coordinate AI agents, people, and systems. Trusted by over 700 organizations worldwide, including 9 of top 10 US banks, Camunda is fully remote and global, transforming into an AI-first organization.
Own and evolve the core platform, including data model, APIs, and services.
Design and build backend systems for portfolio intelligence, including data aggregation and analysis at scale.
Build and maintain integrations with customer tools and make architectural decisions for growth.
Dragonboat provides an AI platform for Strategic Product and Portfolio Management, trusted by enterprises globally. It is a venture-backed, fast-growing SaaS startup with remote teams in Portugal and the US.
Design and implement high-performance, fault-tolerant distributed systems powering our SaaS platform.
Architect and optimize cloud-native microservices using Java, Spring Boot, and Kubernetes.
Collaborate with product and operations teams to improve platform reliability and developer experience.
Jitterbit is a data, application, and process workflow automation solution provider. It is a growing global company with a remote-friendly, performance-oriented culture.
Design and implement low-latency backend systems and APIs for quoting, hedging, and executing across on-chain and traditional trading venues.
Collaborate with the trading team to define interfaces and workflows between pricing, execution, and market data services.
Build reconciliation and data-integrity tooling to ensure positions, fills, and PnL consistency across live trading state.
Ondo Finance provides institutional-grade, blockchain-enabled investment products and services, with a technology arm developing DeFi and an asset management arm creating tokenized funds. They are a well-capitalized, fully remote team with members across the U.S., backed by top investors.
You will lead the delivery of complex projects involving many stakeholders and systems.
You will architect and implement scalable solutions for the ledger, reconciliation, and financial reporting.
You will use AI-assisted development to focus on complex architecture and high-stakes decision-making.
We provide smart technology and data science to help small businesses access flexible finance quickly. We have funded over 100,000 businesses with more than £4 billion and foster a culture of independent thinking, evidence-based decisions, and AI-assisted development.
Advocate for engineering excellence while mentoring junior team members and collaborating across teams.
Binance is the world's leading blockchain ecosystem behind the largest cryptocurrency exchange by trading volume. Trusted by over 300 million users across 100+ countries, the company fosters a user-centric, flat-structured culture with world-class talent.
Take end-to-end ownership of backend features from refining requirements to delivering robust production-ready solutions.
Evolve the system core, APIs, and data layer to optimize performance, scalability, and reliability under demanding workloads.
Balance fast product increments with sustainable technical architecture.
Genestack is tackling the underlying computational and scientific challenges of bioinformatics to provide researchers with software tools that streamline the discovery process and drive forward precision medicine, drug development, and bioinformatics research. Their platform is deployed at leading pharmaceutical, agricultural, and consumer goods companies, as well as leading academic institutions, and they are continuing to grow.
Design and implement scalable backend services and APIs for cryptocurrency swapping.
Build routing and aggregation logic for swap execution across multiple liquidity sources.
Integrate on-chain and off-chain data sources (RPC nodes, indexers, third-party APIs).
Biti Pro is a company building core backend systems for cryptocurrency swapping and DeFi aggregation. They are a small team focused on high-performance, scalable services.
Design and develop backend features end-to-end, from technical design through production rollout.
Architect and implement backend changes supporting long-term scalability, reliability, and maintainability.
Investigate production workloads to identify and resolve scalability bottlenecks, including database access and concurrency issues.
Jobgether is a platform that uses AI-powered matching to connect candidates with job opportunities. They process applications and share top-fitting candidates with hiring companies, with a focus on efficiency and data privacy.
Design, build, and maintain robust backend applications and RESTful APIs using Java and Spring Boot.
Deploy and manage microservices on AWS with Docker and Kubernetes for containerization and orchestration.
Integrate production-grade LLMs into backend workflows to power intelligent product features.
In All Media is a managed nearshore teams provider headquartered in Austin, specializing in building and embedding high-performing software development teams. The company values expertise, creativity, and impact, fostering a collaborative culture.
Design and build highly scalable distributed systems to support global expansion across multiple countries and regulatory environments.
Partner closely with product, operations, payments, logistics, and platform teams to own critical operational and transactional systems.
Work on cross-border transaction infrastructure, tax and regulatory compliance, international post-purchase experiences, and marketplace operational tooling.
Whatnot is the largest live shopping platform in North America and Europe, enabling sellers to build businesses across hundreds of categories. They are a remote co-located team with hubs across the US, UK, Ireland, Poland, Germany, and Australia, and were recently named the #1 Best Startup Employer in America.
Design highly scalable, mission-critical market data provider services.
Maintain good software quality and test coverage, and participate in code reviews.
Troubleshoot incidents and reported bugs.
Alpaca is a US-headquartered global leader in agent-first brokerage infrastructure for stocks, ETFs, options, crypto, fixed income, and more. The company is backed by $400 million in funding and has a diverse team of 400+ members across multiple countries.
Design, develop, and continuously improve backend services using Java 17+ and Spring Boot.
Build and evolve microservices and REST APIs used by the Charisma solution.
Turn new business requirements into maintainable and scalable technical solutions.
Deutsche Telekom System Solutions Slovakia is an innovative IT services company providing communication and information technology services. With over 3,900 employees, it is the second largest employer in eastern Slovakia and focuses on continuous transformation.
Design and implement scalable, distributed Back-end solutions for a SaaS platform focused on accessibility automation and compliance.
Develop and maintain microservices and cloud-native applications using Golang, Kotlin, or JVM-based languages.
Collaborate with cross-functional teams on architecture evolution, infrastructure decisions, and AI-assisted development practices.
Our customer is a rapidly growing technology company specializing in digital accessibility solutions for enterprise web and mobile products. Sigma Software is an international engineering community focused on meaningful products and long-term collaboration with distributed teams across Ukraine, Poland, Romania, and Albania.
Develop and implement robust, scalable backend solutions including APIs and microservices.
Design and maintain relational and non-relational databases with integrations across Cloud and SAP.
Contribute to testing, deployment, and production support for high-quality technical solutions.
Our partner builds robust, scalable backend solutions using Cloud and SAP technologies. They offer a collaborative, remote-first culture focused on innovation and results.
Lead the design, development, and continuous improvement of backend services using Java 17+ and Spring Boot.
Define and evolve microservices and REST APIs, ensuring scalability, security, and operational reliability.
Drive performance optimization, technical stabilization, and root-cause analysis of production services.
Deutsche Telekom IT Solutions Slovakia provides innovative information and communication technology services, forming part of the global Deutsche Telekom group. With over 3,900 employees, it is the second largest employer in eastern Slovakia, fostering a culture of continuous improvement and work-life balance.