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Desenvolvedor(a) de Software com foco em IA SR
Senior software developer building AI-powered applications and APIs (LLMs, generative AI agents, RAG, vector databases) in cloud and on-prem environments for a Brazilian IT services group. Core stack is Java 11+/Spring Boot with OpenAI/Azure/Gemini integrations; hybrid role with 2 days/week on-site at Vila Olímpia, São Paulo.
Information Security Lead
William Blair, an investment banking and wealth management firm, is hiring an Information Security Lead in Chicago (hybrid) to run security governance, incident response, security awareness, and client/vendor due diligence. Day to day: maintaining policy frameworks, leading NIST CSF maturity assessments, coordinating incidents and tabletop exercises, and supporting regulatory/audit requests.
Compliance Analyst – Trade Surveillance
Solutions for Today’s Challenges. Vision for Tomorrow’s Opportunities. Join William Blair, the Premier Global Partnership. William Blair is seeking a detail-oriented and highly motivated Compliance Analyst to support…
Director of Research
Solutions for Today’s Challenges. Vision for Tomorrow’s Opportunities. Join William Blair, the Premier Global Partnership. The Director of Research is responsible for setting the strategic direction, overseeing the…
Working in Technology (WiT) Software Engineering - Summer 2027
A 12-week summer 2027 software engineering internship at William Blair in Chicago for graduate students (including those from underrepresented backgrounds in tech). Interns work on full-stack, cloud-based solutions using JavaScript, SQL, Python, Docker/Kubernetes, and Azure within Agile teams.
Working in Technology (WiT) Data Science - Summer 2027
A 12-week Summer 2027 internship in Chicago for graduate students from underrepresented backgrounds in tech, working on data science, machine learning, generative AI (RAG, LLMs), and data engineering projects supporting business use cases. Core stack includes Python/R, SQL, Azure cloud, Spark, and ML/NLP frameworks.
Lead Enterprise Solutions Architect
Lead the design and implementation of AI-ready cloud platforms and data solutions on Azure, modernizing the tech stack with an AI-first approach for scalable, secure applications.
Data & AI Engineer – Equities Technology
Designs and builds scalable data pipelines and AI-enabled platforms for equities trading, research, and sales using Azure and Databricks, while integrating LLM-based solutions in a regulated financial environment.
Lead Data Scientist – AI Engineer
Lead AI Engineer embedded with William Blair's investment banking deal teams, building LLM-powered agents, data pipelines (Databricks/Dagster), and Salesforce integrations for banking workflows, while setting team-wide engineering standards for architecture, CI/CD, testing, and deployment.
Senior Data Scientist – AI Engineer
Senior AI Engineer on William Blair's Investment Banking AI & Technology team, embedded with deal teams (forward-deployed model) to ship LLM-powered agents and banking tools into Salesforce workflows. Full-stack work spans data pipelines (Databricks, Dagster), ML models, and Enterprise Claude-based applications.
Full Stack Developer (Java + Angular)
Joins a team building a large business system for a big organization, doing full-stack work: backend in Java (Spring Boot, Spring Data JPA, Hibernate, PostgreSQL) and frontend in Angular/TypeScript, plus system integrations. Fully remote, with occasional optional visits to the Warsaw office.
Staff Software Development Engineer in Test
Leads test automation infrastructure and quality strategy for a data-movement platform, building shared tools in Java/Python and cloud-native stacks to ensure reliable, high-confidence releases.
Java Developer - Hybrid London, SC Clearance
Java developer on a 6-month contract for a public sector client in London, building services with Java 11+, Spring Boot, and RESTful APIs; day-to-day work uses Git, Maven/Gradle, and Docker in a hybrid model with two days per week in the London office. SC clearance is welcomed or can be obtained.
Java Developer (1-4 years experience)
6-month inside-IR35 contract Java Developer role for a UK public sector client, hired through security-cleared talent firm LA International. Hybrid in London (2 office days/week); daily work centers on Java 11+, Spring Boot REST services, Git, Maven/Gradle and Docker, with SC clearance required or willingness to obtain it.
Fullstack Software Developer
Senior full-stack developer (7-12 yrs) designing, building, and maintaining large-scale Java microservices with Spring Boot, integrating Oracle SQL databases, and writing unit tests. Front-end work uses React.js/JavaScript, delivered via Agile/Scrum with Gradle/Maven builds and GitHub version control.
Consultant DevSecOps (h/f)
Consultant DevSecOps in Paris: identifies, triages and remediates security vulnerabilities across CI/CD pipelines and containerized (OpenShift/Docker) environments, using SonarQube, Checkmarx, OWASP ZAP and Dependabot, with Python/Bash automation and compliance with ISO 27001, NIST, GDPR and SOC 2.
Senior Java Developer
Senior Java developer (5+ years) in Warsaw (1 office day/week, B2B at 160 PLN/h) developing Java applications and microservices. Day to day: building Spring-based services, optimizing SQL queries, implementing security, writing unit/integration tests, code reviews, and integrating with external systems.
Senior QA Automation Engineer - HELOC (LATAM)
Senior QA Automation Engineer builds and runs automated tests for fintech banking products using Java, Playwright, and Kubernetes, ensuring seamless customer experiences.