Top Tech Jobs & Startup Jobs in Chicago, IL

Lead design and implementation of highly scalable, secure backend services and APIs. Define architecture for databases and microservices, own projects end-to-end, resolve reliability/performance issues, improve CI/CD and observability, mentor engineers, and align technical strategy with product and security requirements.

Own full sales cycle selling cross-border payments and banking infrastructure to US enterprise fintechs. Generate pipeline from an existing network, lead technical discovery and solution design, negotiate commercial terms, coordinate implementation, and represent the company at industry events.

Architect and develop high-performance Solana programs in Rust (Anchor or native), extend issuance infrastructure using Token-2022, optimize compute/unit usage and account sizing, perform code and design reviews, and prepare codebases for third-party security audits via tests, invariants, and fuzz harnesses while collaborating cross-functionally.

Design, build, and operate secure, scalable cloud infrastructure for a blockchain wallet backend. Lead automation with Terraform and CI/CD, run containerized workloads (Docker, Kubernetes), implement observability (Datadog), tune SQL/NoSQL databases, optimize Node.js services, configure secure enclaves, and align infrastructure with product and security teams.

Inaugural DevRel Engineer responsible for end-to-end developer content, building demos and open-source templates in TypeScript, growing community across GitHub/YouTube/socials, dogfooding the platform to inform product, and representing the company at industry events.

Build and scale a developer community (digital and in-person), plan and run Bay Area meetups and hackathons, recruit speakers and partners, manage Slack engagement, and convert community activity into sales pipeline.

Lead US institutional sales for a Web3 infrastructure platform, driving ARR growth, sourcing and closing complex enterprise deals with banks and fintechs, managing procurement/RFPs, collaborating with product and engineering for technical evaluations, and supporting post-sale onboarding and account expansion while representing the company at industry events.

Build and scale the go-to-market sales engine as the first sales hire. Own full-cycle outbound enterprise sales targeting insurers and MGAs, drive pipeline generation, close high-ACV deals ($150K+), and create repeatable processes, playbooks, and collaboration with product and operations to optimize solution-market fit.

Serve as a hands-on, client-facing technical lead to design integrations, guide onboarding, deploy secure scalable architectures, troubleshoot issues, support sales with demos and RFPs, maintain technical documentation, and translate customer feedback into product and API improvements.

Design, operate, and scale cloud-native infrastructure for wallet services, transaction processing, and blockchain integrations. Build containerized platforms (Docker/Kubernetes), implement IaC and CI/CD (Terraform, Jenkins), ensure observability (Datadog/ELK/Prometheus), optimize Node.js performance, and harden security (PKI, secure enclaves). Collaborate with product and security teams, document architectures, and support client-facing technical discussions.