Jobs at Arcesium

Serves as a strategic HR partner to business and technology leaders, guiding workforce planning, organizational design, talent management, employee relations, engagement, succession, and change initiatives. Analyzes people metrics, supports compensation benchmarking, resolves complex employee matters, and coaches managers across a client-facing technical organization.

Manages fund and investor allocation activities, including NAV calculations, P&L and expense allocations, management and incentive fee calculations, capital transactions, reconciliations, and investor reporting. Reviews legal fund documents and configures allocation logic, coordinates with clients, administrators, product and technology teams, and leads UAT and process-improvement initiatives while overseeing team accuracy and deliverables.

Build and maintain pricing models for derivatives, bonds, and inflation products; perform independent price verification; investigate pricing breaks; calibrate curves; analyze valuation reserves and fair-value hierarchy; and support audits, regulatory requests, and client due diligence. Partner with trading, risk, product control, and technology teams to automate valuation workflows using Python and SQL.

Manage complex client-facing and internal strategic projects for a financial technology firm. Responsibilities include implementing products for enterprise clients, creating project plans, coordinating cross-functional deliverables, managing scope, budgets, risks, and stakeholders, improving processes, developing implementation tools, and mentoring peers in project management. The role requires strong governance, communication, presentation, negotiation, and stakeholder-influence skills.

Designs and develops compute-intensive, distributed, event-driven financial technology systems for large-scale portfolio and market data processing. Responsibilities include modeling financial instruments, integrating third-party libraries, optimizing performance-critical production systems, and mentoring engineers while setting standards for architecture, testing, and code review.

Supports end-to-end monthly payroll processing, including data validation, reconciliations, payslips, statutory payments, tax filings, audit documentation, and employee queries. Maintains payroll records and HRIS data, coordinates with HR, Finance, auditors, consultants, and regulatory authorities, and supports payroll accounting, compliance reviews, actuarial valuations, and process documentation across jurisdictions.

Manage end-to-end demand generation campaigns, including email and nurture programs, social media, testing, optimization, reporting, and marketing calendar coordination. Partner with Sales and Product Marketing on LinkedIn subject matter expert initiatives. Build AI agents and workflow automations to improve campaign efficiency, personalization, quality, and measurement.

Provides strategic legal counsel across commercial contracts, corporate governance, employment and labor law, regulatory compliance, investigations, and cross-border matters. Drafts and negotiates technology, vendor, procurement, partnership, NDA, MSA, and SLA agreements; develops contracting templates and playbooks; advises leadership under Indian law; manages external counsel; and partners with Human Capital, Finance, and other global teams.

Support corporate strategy through market, competitive, financial, and scenario analyses; evaluate growth, market entry, M&A, and go-to-market opportunities; track industry and competitor trends; build models, forecasts, dashboards, and executive presentations; and collaborate with Product, Sales, Finance, and Technology on strategic initiatives and special projects.

Supports global tax operations by maintaining direct tax, indirect tax, and notice trackers; documenting and updating SOPs; recording preparer-reviewer sign-offs; and using Claude to structure data, draft documentation, and create dashboard views. The role requires Excel proficiency, basic tax compliance knowledge, strong written communication, and attention to detail while collaborating with the tax team.

Supports product lifecycle management by researching customer needs, analyzing marketplace and competitive data, collaborating with engineering on implementation and schedules, and exploring new products and markets with strategy and commercial teams. The intern works cross-functionally with product, engineering, client development, corporate strategy, and financial institution clients.

Supports corporate technology initiatives for a hybrid work environment, including systems engineering, automation, unified communications evaluation and deployment, and reducing manual operational tasks. The intern collaborates with experienced engineers and applies scripting, infrastructure, security, cloud computing, systems administration, and software development skills to solve business problems.

Drafts and negotiates customer, vendor, licensing, technology, purchase, service, and consulting agreements. Advises business teams on intellectual property, generative AI, contract interpretation, and related legal matters. Reviews RFPs and due diligence questionnaires, coordinates with outside counsel, and supports corporate, employment, and litigation matters. Requires independent judgment, strong analytical and drafting skills, and the ability to manage competing priorities in a fast-paced environment.

Software Engineer Interns will collaborate with full-time engineers to build, scale, and ship applications and features for Arcesium’s cloud-based enterprise SaaS platform. The role provides exposure to core platform development, modern software systems, and next-generation technology while emphasizing teamwork, problem solving, communication, and professional growth.

Infrastructure Engineering Interns help build and automate Arcesium’s cloud-based SaaS infrastructure. Responsibilities include supporting Linux and cloud systems, contributing to AWS, Kubernetes, Docker, SRE, CI automation, developer experience, secrets management, and application-infrastructure integration. Interns collaborate with experienced engineers on infrastructure projects while developing software and systems engineering skills.

Manage private fund accounting client implementations, including requirements gathering, fund structure and workflow review, data mapping, transformation, loading, reconciliation, investor allocations, and NAV/GAV calculations. Collaborate with project management, technology, and client stakeholders to onboard private capital markets data onto Arcesium’s platform, support bespoke reporting and testing, and improve implementation tools.

Build and deploy production-grade AI agents, workflow automations, and internal applications that improve enterprise processes. Partner with business, operations, engineering, and security teams to identify use cases, design reliable agent architectures, prototype with LLMs and agent frameworks, measure impact, and drive adoption. The role requires strong systems engineering, API, data, and workflow design skills, along with the ability to translate ambiguous business problems into scalable technical solutions.

Own the architecture, automation, health, and technical roadmap of a large Linux developer-compute fleet spanning AWS WorkSpaces, WSL, and related infrastructure. Diagnose complex Unix, identity, package-management, container, and connectivity issues at root cause; codify fixes in Ansible; support OS and regional rollouts; improve observability and self-service tooling; and mentor engineers through high-impact escalations.

Own end-to-end portfolio accounting and reconciliation for complex funds across listed and OTC asset classes. Perform daily trade, position, cash, P&L, and corporate action reconciliations; finalize GAV/NAV; investigate breaks and P&L movements; coordinate with counterparties, administrators, clients, and internal teams; and support reporting, special projects, and UAT testing.

Provides local IT support for the Lisbon office, including employee onboarding, hardware provisioning, workstation and conference-room support, inventory, procurement, and troubleshooting. The role also develops software infrastructure skills through scripting, Ansible automation, GitLab CI/CD, AWS support, Linux administration, and documentation. The position suits an early-career professional who can work independently onsite while collaborating with distributed senior engineers.