Top Software Engineer Jobs

Develop backend services and clients for Interactive Brokers’ Web API platform. Responsibilities include adding features and interfaces, writing documentation and regression tests, designing RESTful services, supporting real-time WebSocket communications, and providing third-level support. The role requires Java, Spring, Vert.x, Git, REST, testing frameworks, and strong software engineering and collaboration skills. This is a hybrid position with three office days and two remote days.

Designs, develops, tests, troubleshoots, and implements complex Java software capabilities, including enterprise APIs, REST services, and microservices. Integrates AI coding agents for feature development, refactoring, testing, and code review across complex repositories. Provides technical leadership, mentorship, and team guidance while working collaboratively in an agile, hybrid environment.

Maintain and enhance enterprise brokerage tax systems, Oracle data models, XML schemas, and Java processing programs. Translate business requirements into technical specifications, deliver end-to-end platform improvements, resolve production incidents, improve scalability, and help transition bulk processing to event-based architecture. The role requires strong database, object-oriented development, system design, project leadership, and engineering quality skills, with tax reporting knowledge preferred.

Develop and deliver high-quality C++ software for core brokerage and risk technology. Own development tasks from requirements analysis through production support, collaborate with engineering teams, and contribute to application and service improvements. The role requires strong knowledge of object-oriented programming, design patterns, algorithms, data structures, concurrency, networking, Linux/UNIX, shell scripting, and C/C++ debugging.

Develop and maintain scalable Java back-end services and internal financial systems supporting clearing, settlement, reconciliation, reporting, and brokerage operations. Responsibilities include coding, testing, code review, documentation, production support, deployment, risk controls, and collaboration with stakeholders. The role also involves message-oriented systems, batch processing, microservices, application-server configuration, and continuous improvement of automated systems.

Develop and maintain multi-tier software systems across server-side applications, GUIs, databases, mid-tier services, and batch applications. Responsibilities include participating in the full software development lifecycle, debugging existing systems, resolving complex problems, and improving financial back-office technology.

Develop and maintain Python-based tools and automated testing frameworks for front-office trading systems. Design scalable solutions, troubleshoot Linux and trading-system issues, support FIX connectivity and financial asset-class workflows, and collaborate with developers, quality engineers, and traders. The role requires deep brokerage and front-office trading expertise, Pytest automation experience, strong analytical skills, and the ability to work independently in a hybrid environment.

Design, develop, optimize, and maintain applications and services supporting Interactive Brokers’ global brokerage platform. Build systems for expanding into new markets, improve reliability and performance through refactoring, and maintain technical documentation. The role requires collaboration, analytical problem-solving, and independent execution in a hybrid work environment.

Build and own full-stack business automations across recruiting, security, compliance, finance, operations, and go-to-market workflows. Develop AI-assisted tools, integrations, APIs, internal services, customer lifecycle automations, and user-facing features using React, Python, APIs, and LLMs. Partner with founders and cross-functional teams to convert manual processes into scalable systems in a fast-paced startup environment.

Early senior engineer who will define technical direction, own core full-stack platform architecture, build AI-powered multi-modal systems (voice, text, email), make infrastructure and tooling decisions, mentor engineers, and work directly with customers to ship solutions quickly.

Design and implement high-performance Java platform components that improve reliability, efficiency, and productivity across Uber’s backend services. Lead architecture, optimize JVM and distributed-system performance, support modern Java adoption, develop scalable platform designs, and collaborate with platform teams on technical improvements and developer tooling.

Provides technical leadership and architectural direction for Windows-based software supporting semiconductor test, measurement, automation, motion control, and equipment integration. Designs complex applications and reusable platforms using C#, .NET, C++, and Visual Studio; leads modernization, testing, validation, and deployment efforts. Collaborates globally with multidisciplinary engineering teams and customers, resolves complex system issues, drives software strategy, mentors engineers, and influences product roadmaps without direct managerial responsibility.

Lead design and development of high-volume, low-latency full-stack applications, collaborating with product and architecture teams. Drive microservices and API-first implementations on cloud (AWS), ensure SRE practices, define AI governance and best practices, coach and mentor engineers, document technical solutions, and facilitate communication across technical and non-technical stakeholders.

Own the architecture, reliability, production operations, and evolution of Trustly’s Account Data Services. Lead distributed systems design for high-volume account data retrieval and storage with strict latency SLAs. Manage on-call operations, incident response, observability, documentation, AI-assisted implementation, integration testing, and cross-regional knowledge transfer. Help hire and lead the team responsible for this business-critical domain.

Own the architecture, reliability, production operations, and roadmap of Trustly’s Payment Gateway. Lead systems supporting ACH and RTP money movement, banking integrations, rail selection, returns, and reversals. Drive observability, incident response, documentation, AI-assisted development, integration testing, and technical ownership. Partner with distributed engineering teams, help build a new engineering hub, and hire and lead the team responsible for the platform.

Own the architecture, reliability, production operations, and future direction of Trustly’s Settlement and Ledger systems. Lead service design, observability, incident response, reconciliation, and integration testing while using AI tools to understand and improve a mature codebase. Partner with global engineers, create documentation and runbooks, and help hire and lead the team responsible for this business-critical financial platform.

Develop and operate full-stack financial products across React/TypeScript front ends and backend APIs. Build LLM-powered features for financial data using retrieval, tool calling, evaluation, monitoring, and privacy guardrails. Participate in architecture and design reviews, code reviews, testing, production troubleshooting, modernization, observability, and deployment. Collaborate with product managers, lead projects, improve engineering practices, and mentor teammates while maintaining scalable, secure, customer-facing systems.

Architect, build, and operate secure, scalable data platform capabilities covering ingestion, transformation, orchestration, metadata, lineage, and data quality. Lead complex initiatives from architecture through production, establish reliability and engineering standards, automate deployment and onboarding, and drive operational excellence. Partner with security, risk, controls, and business teams on governance and regulatory requirements while mentoring engineers and influencing technical direction across teams.

Build and maintain scalable full-stack products and services in an agile team. Design, develop, test, deploy, and debug backend services, APIs, frontend applications, data services, and integrations. Collaborate with product management and customers, write automated tests, support production systems, and balance rapid delivery with maintainability. The role requires backend and frontend expertise, database knowledge, API design experience, modern development tooling, and experience integrating AI tools into software development.

Designs, develops, configures, and maintains Guidewire software solutions. The role includes customizing Guidewire applications, developing integrations through SOAP and REST APIs, participating in code reviews, collaborating with architects, and ensuring scalable, resilient, high-quality software. Candidates need Guidewire configuration and GOSU experience, cloud understanding, integration expertise, and Guidewire certification.

Develop and maintain internal business systems, web applications, APIs, integrations, databases, automation solutions, and Generative AI initiatives. Participate in the full software development lifecycle, including requirements analysis, coding, testing, deployment, troubleshooting, documentation, secure development, and technical support. This on-site role collaborates with stakeholders to improve business operations and requires continuous learning across cloud, cybersecurity, and IT technologies.

Design, develop, and optimize scalable backend services, APIs, middleware, and core platform components. Build hospital-system integrations, improve performance for high-volume medical data, maintain monitoring and observability, and automate deployment pipelines and infrastructure. Support live customer integrations, implement enhancements, and contribute to system architecture, reliability, and cost efficiency across cloud-native, containerized environments.

Serves as the primary technical liaison between automotive customers and internal engineering teams. Responsibilities include troubleshooting complex software and production issues, coordinating customer technical topics, managing escalations, documenting and closing open issues, supporting root cause analysis, conducting technical training, coordinating prototypes, and driving product improvements with engineering, manufacturing, quality, and design teams. The role requires customer relationship management, cross-functional coordination, and up to 10% domestic travel.

Develop scalable full-stack applications, secure APIs, microservices, event-driven integrations, and production AI solutions. Build agentic workflows, semantic search, and conversational tools using modern AI frameworks. Deploy cloud workloads with CI/CD, containers, Kubernetes, and infrastructure as code while implementing security, compliance, governance, monitoring, and observability. Collaborate with product, architecture, data, security, and business teams to translate requirements into enterprise-grade financial technology solutions.

The Senior Software Autonomy Engineer will design, develop, and evaluate autonomous behaviors for heterogeneous teams of vehicles, focusing on cutting-edge defense systems.