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Active TS/SCI with Polygraph required. U.S. citizenship required. Location: On-site in McLean, VA (Full-Time). Bridge data science and production software. You'll build NLP and machine learning capabilities in…
We are seeking an experienced Senior JavaScript Full-Stack Developer to build and evolve production web systems. You will deliver accessible, high-performance UIs and reliable JVM- and TypeScript-based services on…
We are looking for a skilled JavaScript Full-Stack Developer to contribute to production web systems. You will build accessible, performant UIs and reliable JVM- and TypeScript-based services on cloud infrastructure.…
Join the Team Modernizing Medicine At ModMed , we’re not just building software—we’re reimagining the healthcare experience. Founded in 2010 by a practicing physician and a successful tech entrepreneur, we took a…
Senior backend engineer designing and building large-scale, fault-tolerant distributed systems and microservices in Java (or Python) in New York. Day to day: REST APIs, event-driven services with messaging like Kafka, cloud-native apps on AWS/Azure/GCP, performance tuning, and mentoring.
A senior full-stack developer role in Milan working on an important banking project, building innovative digital solutions for the financial sector. Day to day: developing new features, taking part in the whole development lifecycle, doing corrective/evolutionary maintenance, and coordinating junior resources, using Java, Kotlin, and React.
Senior hands-on, backend-led full-stack engineer building and operating business-critical digital services for clients, primarily with Kotlin or modern Java (17+) on the JVM, plus React/TypeScript frontends. Work spans API design, automated testing, CI/CD and observability, with openness to AI-augmented engineering tools.
Senior Backend Engineer joining the Data Serving team to build and own the API boundary and low-latency serving layer between raw product data and its consumers (internal teams, AI agents, customers). Core stack: Kotlin, Python, Postgres, BigQuery, Kafka, Kubernetes on AWS/GCP.
Senior Backend Engineer at Taptap Send (London) building the unified backend integration layer that connects dozens of third-party payment/remittance providers for a cross-border money-transfer app. Day-to-day is backend-heavy work in Kotlin on AWS with PostgreSQL, Terraform and Ansible, shipping resilient, secure payment flows with Product and Operations.
Senior Java Backend Engineer building real-time, low-latency data processing platforms for a banking client. Day to day involves designing scalable, event-driven microservices with Java 17+, Spring Boot, Kafka streaming, Debezium CDC, and Kubernetes/Docker on cloud platforms, with heavy focus on performance tuning and sub-100ms latency.
Senior (VP-level) hands-on engineer in Citi's London-based High Performance Architectures team, writing low-latency Java/Rust event-sourced microservices (10-100 microsecond response times) and algorithmic trading utilities like market data replay and backtesting, enabling 100+ Markets eTrading teams while mentoring junior developers.
Senior Android developer building a sportsbook/online casino app end-to-end (prototype, implementation, launch, iteration) for a gambling client scaling its European operations. Day-to-day is Kotlin/JVM Android feature development, code review, task planning, and keeping code quality high.
1. 负责核心业务安全与风控系统的架构设计、开发与迭代,构建高并发、低延迟、高可用的实时风控决策引擎,保障系统在海量流量下的稳定性; 2. 深入理解业务风控场景(如黑灰产、内容安全、账号安全等),探索并落地 LLM 与 AI Agent 在风控全链路(感知、决策、处置、运营)中的应用,推动风控范式的智能化升级; 3. 推动 AI Coding 及智能体编排框架(Agent…
Build and maintain the core server platform for Toss’s fintech services using Java/Kotlin and Spring, focusing on scalability, monitoring, and distributed systems.
4SH recherche un·e stagiaire de fin d’études pour rejoindre le développement de BeCLM, une plateforme SaaS modulaire qui aide les acteurs du secteur financier à vérifier l’identité de leurs clients, à suivre leurs…
Job ID: 100407696672 Posted: 2026-09-09 Location: Jersey City, New Jersey, United States Salary: $176,720.00 - $265,080.00 Category: Technology, Applications Development, Professional Company: Citi Technology Lead for…
Build and maintain the core platform infrastructure supporting all Toss services—distributed systems, API gateways, and developer productivity tools. Work with Kotlin/Java, Spring Boot/Cloud, Redis, Kafka, and Kubernetes to improve performance, security, and reliability across a high-traffic fintech environment.
Site Reliability Engineer on Toss Securities' SRE team in Seoul, responsible for preventing and responding to incidents on a high-traffic service: building monitoring/alerting around SLOs, performing deep root-cause analysis (down to Linux kernel, network, and eBPF level), and automating operations with internal tooling. Stack includes Java/Kotlin, Kubernetes/Istio, Prometheus/Grafana/ELK, and Go/
Deda Speed, parte del Gruppo Deda, cerca un Full Stack Java React Developer per un progetto Banking & Fintech a Milano. Inserimento in modalità agile con contratto in Partiva IVA e visibilità di lungo periodo. Il…