Tech jobs — page 30 · freehire

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25,487 jobs

25,487 jobs

Chris Turner Recruitment Ltd

DATA ENGINEER

The Data Engineer will design and maintain robust ETL pipelines, data APIs, and storage solutions to support rail industry analytics and software products. The role involves working with cloud platforms like AWS or Azure and collaborating in an agile environment to solve complex operational challenges.

agile analytics api aws azure +10 skills

Client Server Ltd.

Senior Backend Engineer - Node.js/TypeScript, Remote UK

The Senior Backend Engineer will design and extend backend systems using Node.js and TypeScript, focusing on microservices and event-driven architectures with Kafka. The role involves ensuring high system uptime and collaborating with DevOps and game teams to build scalable platforms.

api devops event-driven-architecture kafka microservices +2 skills

up to 80 000 £

Depop Limited - Nova

Senior Backend Engineer — Scale Payments (Remote-Friendly)

HybridUKFull-timeSenior

The Senior Backend Engineer will build and scale payment services for Depop, collaborating with cross-functional teams using TypeScript, Scala, Java, or Kotlin. The role involves working with high-traffic systems and modern data technologies like Postgres, DynamoDB, and Kafka.

data-science devops dynamodb java kafka +4 skills

United States Digital Space LLC

(Senior) Backend Engineer, Marketplace

The Backend Engineer will join the Marketplace team to develop algorithms and microservices that balance supply and demand for a premium transportation platform. The role involves working with Go, PostgreSQL, and Kubernetes to build scalable systems while migrating from a legacy Ruby monolith.

aws ci-cd cpp grpc java +13 skills

90 000 – 120 000 £

Augur Communications Ltd

Backend Engineer London

Augur is seeking a Backend Engineer to build distributed systems and data infrastructure for their sensor integration platform. The role involves working with a Rust and Python stack to manage high-throughput data pipelines and storage at scale.

accessibility ai api api-design data-pipelines +10 skills

Depop Limited - Nova

Senior Backend Engineer - Payments

UKFull-timeSenior

The Senior Backend Engineer will work within a cross-functional payments team to design, implement, and support scalable backend services for a fashion marketplace. The role requires proficiency in JVM languages like Scala and TypeScript, along with experience in cloud infrastructure and database management.

ab-testing agile ai aws data-engineering +19 skills

Solirius Consulting

Ruby Backend Engineer - Scalable APIs & Cloud

Solirius Consulting is seeking a Ruby Backend Developer to build and maintain scalable, secure RESTful services and high-performance applications. The role involves working with PostgreSQL, Redis, Kafka, and Docker within a cloud-based, CI/CD-driven environment.

ci-cd cloud devops docker kafka +5 skills

N Consulting Limited

Senior Java Engineering Architect

UKContractSenior

Architect and lead delivery of high-volume banking and payment platforms using Java, Spring Boot, Kafka, and Kubernetes, while championing AI-powered software engineering practices.

ai api claude-code cloud cloud-native +15 skills

Java Developer – Kafka, AWS & CI/CD (Hybrid)

This Java Developer role involves designing and delivering projects for clients, focusing on Kafka messaging and AWS cloud deployments within a consultancy environment. The position is hybrid, requiring three days onsite in London, and involves working on financial services projects.

aws cloud java kafka spring

Java Developer Kafka API - Tech Consultancy

This role is for a Java Developer at a global technology consultancy, focusing on building and migrating financial services systems using Kafka, AWS, and microservices. The position involves client-facing work and requires strong backend engineering skills in a hybrid office environment.

api aws ci-cd cloud design-patterns +7 skills

80 000 – 90 000 £

Citibank (Switzerland) AG

Senior Java Developer - Fixed Income Algo Technology, VP

HybridUKFull-timeC-level

Senior Java Developer building low-latency, high-throughput algo trading platform components for Citi's fixed income eTrading business, collaborating closely with traders and quants.

accessibility ai artifactory design-patterns git +5 skills

Salt Digital Recruitment

Lead Java Developer (Server-side, Microservices) Bank – London

Lead Java Developer migrating a bank's legacy app to event-driven microservices architecture using Java, Spring Boot, Kafka, Docker, and Kubernetes in a hybrid London role.

agile cloud devops docker event-driven-architecture +11 skills

600 – 800 € / day

Software Engineer Manager (Database Observability)

Open 18d RemoteAPAC

Leads a team of 6–8 senior engineers building AI-driven database observability tools, managing telemetry pipelines, agent development, and AI-powered diagnostics while setting technical direction and fostering high-performance engineering culture.

agentic-ai ai automation ci-cd claude-code +17 skills

Java Back-End Developer | Sênior (Remote)

Build and maintain Java back-end services using Spring Boot, Kubernetes, and Kafka, following microservices and distributed-architecture best practices.

cloud design-patterns java kafka kubernetes +2 skills

Mid Level Java Developer

Mid-level Java developer building and maintaining scalable backend services for a B2B commerce platform, focusing on Spring Boot, microservices, and REST APIs to support global retail operations.

agile api automation azure azure-devops +15 skills

Senior Software Engineer, Digital Twin Platform

RemoteNorth AmericaFull-timeSenior

The Senior Software Engineer will design and build scalable data platforms to maintain real-time inventory accuracy for Instacart's digital twin system. This role involves collaborating with ML and computer vision teams to integrate data pipelines and models into production environments.

ai airflow aws azure candidate-experience +15 skills

166 000 – 210 000 $

Software Engineer - Systems and Infrastructure

HybridNorth AmericaFull-timeMiddle

Build next-generation data infrastructure, storage systems, and streaming platforms powering LinkedIn's AI-first products at scale using distributed systems, Java, Go, Python, and related technologies.

ai airflow analytics azure cassandra +17 skills

120 000 – 195 000 $

Staff Software Engineer, Developer Productivity Async

Open 72d North AmericaFull-timeStaff H-1B sponsor history

Builds and improves async infrastructure (Sidekiq, Kafka) and developer tooling to boost productivity for Gusto’s engineers, using AI to streamline code migrations and incident response.

ai api candidate-experience kafka llm +2 skills

220 000 – 250 000 $

Backend Engineer

Build and scale backend services for a cybersecurity platform that secures AI-driven software development using .NET Core, Kafka, and Kubernetes.

agentic-ai ai ci-cd cloud cloud-native +15 skills

Senior Software Engineer (AI)

HybridNorth AmericaSenior

The Senior Software Engineer will build and scale the Agentic Deal Desk product by developing Java microservices and the underlying AI agent harness. This role focuses on creating reliable, enterprise-grade agent infrastructure using LLMs, tool dispatch systems, and state management engines.

agentic-ai ai api api-design assembly +36 skills

164 800 – 226 600 $