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Senior Backend Engineer (Go) - Hybrid, Stock Options
Wheely in London is hiring a Mid/Senior Backend Engineer for its Marketplace team to build and maintain high-scale Go services and design new microservices, working with product, design, and data science. Office-based in West London 4 days/week with a stack of Go, PostgreSQL, MongoDB, Redis, RabbitMQ, Kafka, AWS, Kubernetes, and Terraform.
Senior Backend Engineer
Senior backend engineer at Publicis Media building OneSuite, a marketing intelligence and automation platform. Day to day: architecting distributed Python (FastAPI/Flask) microservices and APIs, and building PySpark/Databricks data pipelines for campaign activation, on AWS/GCP with Docker/Kubernetes. Based in London, working from the office four days per week.
(Senior) Backend Engineer, Maps
Backend engineer on Wheely's Mapping team, building Go microservices for road matching, low-latency ETA prediction, and high-volume geospatial tracking. Stack includes Go, PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift on AWS and Kubernetes.
(Senior) Backend Engineer, Marketplace
Backend engineer on Wheely's Marketplace team, building the Go services behind supply/demand balancing, pricing, and driver-passenger matching for its premium ride-hailing service. Stack includes PostgreSQL, MongoDB, RabbitMQ, Redis, gRPC, and Thrift on AWS/Kubernetes, with an office-based role in West London 4 days a week.
Software Engineer
Full-stack software engineer building features and services for Bauer Media Audio's audio platform in a new in-house Manchester engineering hub. Core stack is Java Spring Boot + AWS backend with TypeScript/React frontend, plus CI/CD, DevOps, and incident-management rotas; hybrid with two office days per week.
Java Developer - Cloud, Kafka & AWS | FinTech Solutions
Java developer in London delivering client projects in a global technology consulting setting: designing and implementing solutions focused on Kafka, migrating legacy systems to AWS, and setting up CI/CD and cloud deployments, with regular client interaction.
Senior Java Developer - 12 Months - Inside IR35 - Hybrid
A 12-month Inside IR35 contract for a Senior Java Developer on a large-scale, cloud-first UK government digital transformation programme, hybrid with 60% office attendance at any major UK hub (excluding London). Day to day involves building cloud-native Java/Node.js microservices and APIs on AWS, with Kafka, Docker, Terraform and GitLab CI/CD.
Java developer in financial services
Java developer at a global technology consultancy in London, delivering transformational projects for financial-services clients — Kafka messaging, migrating legacy systems to AWS, and introducing CI/CD pipelines and cloud deployments. Core stack: Java, Spring Boot, Kafka, REST APIs, AWS, microservices.
Java Developer (Fixed Income)
Java developer on a global investment bank's Fixed Income Technology team, building and supporting mission-critical, low-latency, event-driven applications for front-office trading. Core stack: Java, Spring/Spring Boot, Kafka/MQ/AMPS, AWS, Oracle/PostgreSQL and CI/CD tooling.
Software Engineer (Golang/iOS)
12-month contract, hybrid in Bristol (2-3 days per week on site), building the platforms behind large-scale mobile apps: Go microservices, REST/gRPC APIs, Kubernetes deployment and CI/CD, plus reusable iOS frameworks and SDKs in Swift. Banking or Open Banking experience is desirable.
Sr. Staff Backend Engineer
Internal-transfer posting for a Staff-level backend engineer on Coupang's Marketplace Growth team in Seattle, building large-scale streaming data processing systems, data pipelines, and infrastructure that power the third-party seller experience. Core stack: Java, Spring, AWS, and big data tech like Kafka, Spark, Flink, and ClickHouse.
Sr. Staff Backend Engineer
Senior backend engineer on Coupang's Marketplace Growth team in Seattle, building large-scale streaming data pipelines and infrastructure that power third-party seller tools. Core stack is Java/Spring on AWS with big data tech like Spark, Flink, Kafka, and ClickHouse.
ML 엔지니어 (커뮤니티 추천) (ML Engineer)
Build and improve a community-feed recommendation system for a stock-trading app used by 4 million monthly active users, using Python, PyTorch, and cloud-native serving stacks.
Software Engineer II
Software Engineer II building object-oriented, multithreaded Java software for satellite ground systems supporting national security missions at a confidential defense/aerospace client, hired via Talent Stack. Onsite in Aurora, CO with exposure to AWS, microservices, Docker/Kubernetes, and CI/CD; TS/SCI clearance and U.S. citizenship required. Salary $150k-$185k.
Python Developer (New York City Metropolitan Area)
Senior Python consultant embedded in a global multi-strategy hedge fund's equities core technology team in NYC, building post-trade lifecycle event processing, large-scale data/P&L services with pandas/Polars/NumPy, FastAPI REST services, and Kafka/Avro streaming with CI/CD practices.
Python Developer (New York)
6-month onsite contract in NYC for a senior Python developer to build and enhance applications supporting equity trading and post-trade processes — trade lifecycle events, corporate actions, P&L, reconciliation services — using pandas/Polars/NumPy, Kafka/Avro, FastAPI or Flask, and SQL databases.
Senior Software Engineer - Backend (Chicago)
Senior backend engineer at Jobba Trade Technologies building a cloud-native SaaS for commercial roofing job management. Day to day: modernize a legacy .NET Framework system to .NET 10, design DDD-based distributed services, REST APIs, and CI/CD with IaC. Mostly onsite (4 days/week) at the Rosemont, Chicago office.
Java Backend Engineer (Kafka, Kubernetes, AWS, Testing) (Chicago)
Java backend engineer at a highly regulated financial firm in Chicago (hybrid, 3 days onsite): writes Spring Boot microservices, works with Kafka, AWS and Kubernetes, owns Jenkins CI/CD and containerized deployments, drives security tooling adoption (SonarQube, Snyk, Veracode), and leads the automation testing framework and code reviews.
Jr. Java backend developer (Raleigh)
Junior Java backend developer (W2 contract) in Raleigh, NC building REST APIs and microservices with Spring Boot and Java 11/17+, backed by SQL databases, JUnit/Mockito tests, Git/CI-CD, and hands-on use of AI coding assistants; fintech/securities domain experience is a plus.
Software Engineer
Backend software engineer at Covet Health, an API-first healthcare TPA and benefits provider, joining an early engineering team (hybrid, New York) to design and build server-side systems, APIs, microservices, and cloud/data infrastructure for claims administration. Stack spans Spring Boot/Python/Node backends, PostgreSQL/Redis, AWS/GCP serverless, and message queues.