Tech jobs

About The Role We are looking for a strong hands on engineer and technical leader passionate about building products users love backed by scalable systems and effective architecture. As a Lead Software Engineer you…

Cassandra Cloud Cloud Native Elasticsearch Java +4 skills

Senior Java Developer (with LLM expertise)

HybridNorth AmericaFull-timeSenior

We are looking for a Senior Java Developer with LLM expertise to lead the technical design, development and integration of core banking application systems for a major financial services client. This role bridges…

Agentic AI Agile AI API Authentication +38 skills

Staff Cloud Infrastructure Engineer

North AmericaStaff

United States

Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions…

AI AWS Bash CI/CD Claude Code +28 skills

Senior Backend Developer

RemoteAPACSenior

India

Senior Backend Developer at Koottu Inc., an AI-powered matchmaking platform. Manages backend services, AWS infrastructure (EC2, S3, CloudWatch, API Gateway), CI/CD pipelines (ArgoCD, Jenkins, Docker, Kubernetes), and database design (MongoDB, PostgreSQL) for scalable, secure APIs supporting the platform's features.

AI Angular API Argo CD Authentication +25 skills

Senior Software Engineer (API, Fraud Platform)

EuropeFull-timeSenior

Ireland

Senior Java Engineer role at Mastercard in Dublin building a real-time fraud decisioning platform with distributed in-memory caching, low-latency APIs, and global-scale transaction processing. Owns features end-to-end, leads technical design, on-call, and mentors in an Agile team using Java 17+, Spring Boot, Geode/Hazelcast/Redis, and CI/CD.

Agile API Automation Bash CI/CD +20 skills

.NET Developer (Microservices Architecture) FREELANCE

RemoteAPACContract

Philippines

Freelance .NET Developer role building and maintaining microservices-based web applications using C#, .NET Core, ASP.NET MVC, and Razor Views, with responsibilities spanning API integration, front-end development (Bootstrap, HTML/CSS, JavaScript), and infrastructure (Docker, Kubernetes, Redis, Elasticsearch, Identity Server). Must reside in the Philippines.

API Api Design Authentication Bootstrap Containerization +15 skills

Software Engineer Intern - Backend

Open 4d RemoteEuropeInternshipIntern

Germany

Backend engineering intern at a startup building cloud services for mobile multiplayer games; works directly with founders on Erlang/Go backend services, owns projects from design to deployment, and improves scalability using PostgreSQL, Cassandra, Redis, and cloud platforms.

AWS Cassandra Cloud C++ C# +7 skills

Fullstack Developer (Python/Django + Kotlin or Flutter)

RemoteEuropeFull-time

Who we are Vista Auction is an online auction for returned and overstock goods. Items go up for auction in our mobile app, people bid, and winners pick up at our warehouses near Charlotte, North Carolina. We serve more…

Agentic AI AI Android API Django +9 skills

Software Engineer, Conversational Products & Agent Workflows

On-siteNorth AmericaFull-time

United States

Backend-focused software engineer building AI-native conversational agents for Klaviyo's marketing platform. Designs scalable Python systems (FastAPI, async queues) for agentic workflows: tool use, RAG, retrieval, evaluation, and production reliability at ecommerce scale.

Agentic AI AI API Automation AWS +19 skills

116K – 174K $

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HG

Hygi.de GmbH & Co. KG

2 weeks ago

Senior Backend Developer PHP/Symfony - AI & E-Commerce (m/w/d) (Kaufmann/-frau - E-Commerce)

EuropeFull-timeSenior

Germany

Deine Karrierechance alsSENIOR BACKEND DEVELOPER PHP/SYMFONY – AI & E-COMMERCE (m/w/d)PHP/Symfony ist dein Fundament – AI gehört für dich inzwischen zum modernen Software Engineering dazu?Dann entwickle mit uns das…

AI API CI/CD Claude Code E-commerce +14 skills

Senior Staff DevOps Engineer

RemoteLATAMStaff

Senior Staff DevOps Engineer at Brandwatch (Cision) responsible for designing and maintaining CI/CD pipelines, automating infrastructure with IaC (Terraform, Ansible), managing cloud environments (AWS/Azure/GCP), and implementing observability. Requires 12+ years experience with scripting (Python, Bash, Go), containerization (Docker, Kubernetes), and Linux/Windows administration.

Ansible Automation AWS Azure Azure DevOps +23 skills

Senior DevOps Engineer (Remote, Contract)

RemoteEuropeFull-timeSenior

OUR HIRING PROCESS: We will review your application against our job requirements. We do not employ machine learning technologies during this phase as we believe every human deserves attention from another human. We do…

AI Ansible AWS Bash CI/CD +40 skills

Software Engineer

RemoteEuropeFull-time

Poland

Software Engineer on Tealium's Data Platform team building scalable data services for their Universal Data Hub using Java/Python/Scala, AWS, Spark/Databricks, and various databases. Involves distributed systems, data pipelines, and emerging AI/GenAI capabilities like RAG and MCP.

Agentic AI Agile AI Analytics Automation +48 skills

Full-Stack Developer

RemoteEurope

Romania

Full-stack developer building and maintaining e-commerce microservices and micro-frontends using Java/Spring Boot and React/WebComponents, owning the full development lifecycle in a distributed team.

API Cucumber Design Patterns Docker E-commerce +14 skills

Backend Engineer

RemoteNorth America

Canada

Backend Engineer building and scaling core services for AllScales using Python (FastAPI/Django/Flask) or Go (Gin/Echo/Fiber), with PostgreSQL/MySQL, Redis, Kafka, and Kubernetes in a high-concurrency microservices environment.

API Api Design Api Documentation CI/CD DevOps +19 skills

AI Systems Engineering Subject Matter Expert

RemoteEurope

Estonia

Description 🤓 TripleTen is an EdTech company that designs and runs tech career learning programs for the US and Latin American markets. We've been doing it for over five years, teaching complete beginners — people…

AI API CI/CD Cloud Distributed Systems +20 skills

Manual QA Backend

EuropeFull-time

Ukraine

Manual QA Engineer (Server) at Ajax Systems tests the back-end of a security-system ecosystem built on microservices, working with their binary protocol, gRPC, APIs, MongoDB, Redis, S3, and internal emulators.

AJAX API Confluence Git gRPC +11 skills

Linux / Web Hosting Engineer

RemoteEuropeFull-time

We are looking for a hands-on Senior Linux / Web Hosting Engineer to manage and optimize client hosting infrastructure, primarily focused on WHM/cPanel, Plesk, and WordPress/WooCommerce environments. This role is ideal…

Automation Bash CI/CD DevOps DNS +14 skills

Backend Engineer (with any language, transitioning to Go)

RemoteEuropeFull-time

Our partner is an American company that has developed a specialized leave management system. Among the product’s clients are Google, IBM, Meta, Adobe, and other leading global corporations. We are looking for Backend…

API AWS Cassandra CI/CD Cloud +15 skills

Senior Golang Developer - US Product Company

RemoteFull-timeSenior

Our partner is an American company that has developed a specialized leave management system. Among the product’s clients are Google, IBM, Meta, Adobe, and other leading global corporations. We are looking for a Golang…

API AWS Cassandra CI/CD Cloud +16 skills

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Job listings

Lead Software Engineer

Senior Java Developer (with LLM expertise)

Staff Cloud Infrastructure Engineer

Senior Backend Developer

Senior Software Engineer (API, Fraud Platform)

.NET Developer (Microservices Architecture) FREELANCE

Software Engineer Intern - Backend

Fullstack Developer (Python/Django + Kotlin or Flutter)

Software Engineer, Conversational Products & Agent Workflows

Senior Backend Developer PHP/Symfony - AI & E-Commerce (m/w/d) (Kaufmann/-frau - E-Commerce)

Senior Staff DevOps Engineer

Senior DevOps Engineer (Remote, Contract)

Software Engineer

Full-Stack Developer

Backend Engineer

AI Systems Engineering Subject Matter Expert

Manual QA Backend

Linux / Web Hosting Engineer

Backend Engineer (with any language, transitioning to Go)

Senior Golang Developer - US Product Company