Tech jobs — page 253 · freehire

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Matrix Global Services

Senior Java Developer @ Matrix Global Services

Senior Java developer on the client's Escalation Team, acting as first line of defense for urgent customer needs: debugging and fixing critical production bugs and high-priority feature requests in live environments, using a Kanban-style workflow. Core stack is Java/C#, with AI proficiency required and AWS experience a strong plus.

AI AWS Cloud C# Java +1 skills

Senior Java Developer @ Devire

Senior Java Engineer (B2B via Devire) building and maintaining Java/Spring Boot backend microservices for a global investment bank: Kafka integrations, Docker/Kubernetes, GitLab CI/CD with Argo CD, and Prometheus/Grafana/Elastic monitoring. Hybrid — 3 days/week in central Warsaw; rate 170–210 PLN/h net + VAT.

AI CI/CD Docker GitHub Github Copilot +8 skills

170 – 210 PLN / hr

Senior Java Developer @ Antal

Senior Java developer building a new fraud detection system within a large Polish digital transformation program for claims and benefits handling. Day-to-day: designing microservices and event-driven integrations with Java, Spring Boot/Cloud, Hibernate, Kafka, Flowable/BPMN, Azure, Neo4j and Docker in a hybrid Warsaw setup.

Agentic AI AI Angular API Azure +14 skills

Senior Python Developer @ Antal

Senior Python Developer on a Financial Engineering (Credit Risk) team, building and maintaining Python libraries and test frameworks for wholesale credit risk modeling tools and supporting risk modelers in using them. Hybrid role based in Kraków (6 office days/month), requiring strong Python, OOP, TDD/pytest and Git skills.

Agile Analytics CI/CD Git Matplotlib +8 skills

Senior Software Engineer In Test

HybridNorth AmericaSenior

Senior Software Engineer in Test at Charles Schwab, working onsite in Tarrytown, TX: design and build test automation for the company's trading platform, act as tech lead for the automation team, and develop AI-driven tools to improve SDLC quality and speed. Core stack includes Java or Python, SQL, Linux/Windows, API testing, and CI/CD practices.

Acceptance Criteria Agile AI API Automation +9 skills

Senior Java Developer

HybridNorth AmericaFull-timeSenior

Tech-lead-level senior Java developer on Charles Schwab's Client Data Technologies Segmentation team, designing and building enterprise data integration and segmentation solutions for analytics and reporting. Day to day: Java/Python with Spring Boot, GCP data pipelines (Dataflow, Composer), ETL tooling, and AI-assisted engineering, while mentoring and leading onsite and offshore developers.

Agentic AI Agile AI Airflow Analytics +36 skills

Senior Software Engineer - Spark Data Pipelines + AI Remote

RemoteLATAMSenior

AgileEngine (posted under INGEPSY) seeks a Senior Software Engineer to design scalable data processing systems with Spark and AWS EMR, building batch and distributed pipelines and partnering with AI and product teams to operationalize model-enabled use cases. 100% remote with flexible hours; strong English required.

AI Data Quality Spark

Senior Java Developer | FinTech Microservices Expert

Senior Java Developer building FinTech microservices using Java and Spring Boot. The role involves working with SQL/NoSQL databases, Maven, CI pipelines, and performing unit/integration testing within a highly qualified team.

Fintech Java Maven NoSQL Spring +2 skills

Software Engineer, Senior

North AmericaSenior

Senior software engineer at Qualcomm (posted under Nutanix) in Toronto building full-stack internal tooling for silicon teams: GUIs, CLIs, CI/CD pipelines, SDKs and regression/test infrastructure across semiconductor product lines. Stack includes JavaScript (React, Node, NextJS), Python, C/C++, MongoDB and Postgres on Linux.

CI/CD Cloud Confluence C++ Ethernet +18 skills

101K – 151K CAD

Senior Java Developer (Hybrid) – Microservices for Retail

Senior Java Developer at Napse Global in Buenos Aires (hybrid) building microservices for retail and unified commerce projects across Latin America. Core stack is Java 1.8+, Spring/Hibernate, and MongoDB with MVC, plus valued web frontend skills in HTML, Bootstrap, and jQuery.

Bootstrap Hibernate HTML Java jQuery +3 skills

Nordic Investin Group

Senior Robotics Software Engineer

A senior engineer builds robot behaviour, planning and autonomy software for a Nordic Investin partner that makes intelligent robotic products. Daily work spans C++ and Python development on Linux, integrating perception, localisation and motion, and validating algorithms in simulation and on physical robots.

Automation Linux Python Sensor Fusion

Low-Latency Front-Office Java Engineer (Equity Derivatives)

Menrva is seeking a Senior Java Developer to join its Equity Derivatives Trading Engineering team. You will design and build low-latency, high-throughput trading, market data and pricing systems used across global…

Java Kafka Microservices

MENRVA PTE. LTD.

Senior Java Engineer: Low-Latency Equity Derivatives Trading

MENRVA PTE. LTD. in Singapore is seeking a Senior Java Developer to join a high‑performance Equity Derivatives Trading Engineering team. You will design and build low‑latency, high‑throughput trading, market data and…

Java Kafka Microservices

QUESSCORP SINGAPORE PTE. LTD.

Senior Java Engineer: Kafka & CI/CD for Trading Platforms

QUESSCORP SINGAPORE PTE. LTD. is seeking an experienced Java-focused engineer to support electronic trading platforms and integrations in Singapore. The role covers design, development, configuration, and production…

MENRVA PTE. LTD.

Senior Java Developer - Equity Derivatives (Trading Engineering)

Senior Java developer on an equity derivatives trading engineering team, designing low-latency, high-throughput trading, market data, and pricing systems. Day-to-day is hands-on Core Java, microservices, and Kafka-based streaming, working front-office alongside traders and quants.

CI/CD Cloud Cloud Native Containerization Distributed Systems +4 skills

Senior Software Developer (Quebec City, Hybrid)

HybridNorth AmericaSenior

Senior Software Developer responsible for the end-to-end design and development of platform services and APIs for geoscience data and AI workflows. The role involves architecting scalable data models and cloud-based solutions using Python, SQL, and streaming technologies like Kafka within a hybrid work environment in Quebec City.

Accessibility AI Analytics API AWS +14 skills

Senior Java Developer (Inglés alto)

Senior backend Java developer at SlashMobility in Barcelona, building microservices and REST (JSON) APIs for mobile solutions delivered to large clients. Day to day involves designing scalable backend services with Elasticsearch, Postman and basic Kubernetes, while tracking tasks, dates and project milestones across teams.

API Elasticsearch Java JSON Kubernetes +1 skills

Senior Web Developer

RemoteAfricaSenior

Senior full-stack web developer on a fully remote engineering team, designing, building, and maintaining scalable, high-performance web applications while mentoring juniors, reviewing code, and shaping technical direction. Core tech spans React/Angular/Vue, Node.js/Python/Ruby/PHP back ends, SQL/NoSQL databases, and AWS/Azure/GCP cloud.

Angular AWS Azure Cloud CSS +15 skills

Senior software engineer - cloud infrastructure

Recruiter-posted senior role to design, build, and maintain a client's cloud infrastructure in Sandton: developing scalable microservices, managing infrastructure as code (Terraform/CloudFormation), building CI/CD pipelines, and optimizing cloud costs across AWS, Azure, or GCP, with containers and languages like Go, Python, Java, or Node.js.

AWS Azure CI/CD Cloud Cloud Native +12 skills

Senior Software Engineer

Senior backend engineer at a fast-growing HealthTech SaaS company (sourced via HireQ Talent), fully remote anywhere in the UK. Day to day you design scalable Python/FastAPI APIs and cloud-native services, shape platform architecture, and mentor engineers, working with PostgreSQL, Docker, Azure and CI/CD. Pays up to £110,000 plus benefits.

Agile API Authentication Azure CI/CD +15 skills