2,020 Results for

Freelance Communications Jobs in Cambridge, MA

Jobs

Mobile Infrastructure Engineer Polymarket

New York, New York

$250,000–$500,000 / year

Polymarket is looking for a Mobile Infrastructure Engineer to own mobile infrastructure end-to-end: the release pipeline, CI, test infrastructure, stability, and observability that let a small mobile platform team ship a high-traffic trading product quickly and safely. Build the quality tooling: regression gates and automated coverage that let the team set and defend crash-free and ANR targets — and go directly into app code to fix crash clusters and harden error paths when the tooling surfaces them.

6 days ago

Backend Engineer fun.xyz

New York, New York

Why Join Us Shape the future of payments and programmable money Work with bleeding-edge tech in a domain where innovation moves fast Join a mission-driven team focused on access, openness, and trust Be a key contributor, not just a cog—your work will ship fast and matter Collaborate with top-tier protocols, builders, and financial infrastructure providers Location and Work Environment This role is primarily in-person at our Midtown, NYC headquarters. You’ll be working on high-performance, low-latency systems that support complex use cases like asset conversion, identity and security verification, transaction finality, and decentralized routing—while ensuring fault tolerance, scalability, and compliance across a global user base.

30+ days ago

Senior Marine Structural Engineer - Kiewit Infrastructure Engineers Kiewit Corp

Manhattan, NY

$145,000–$180,000 / year

The role combines deep technical involvement in marine structural engineering, including berthing and mooring analysis and the design of bulkheads, docks, piers, and related waterfront structures, with project leadership, business development, and the strategic growth of the MCR practice. Experience preparing design calculations, plans, specifications, technical reports, and construction or observation documentation, preferably within integrated or contractor-led delivery models (e.g., Design-Build, EPC, Progressive Design-Build).

30+ days ago

Software Engineer, Infrastructure Security Notion Labs Inc

New York, NY

$230,000–$280,000 / year

Skills Youll Need to Bring: Security architecture and expertise: you've built and maintained systems to secure cloud architectures, ranging from secrets management to Identity and Access Management solutions. As an IC4 on this team, you'll own meaningful infrastructure security problems end-to-end: from identifying risk, to designing pragmatic controls, to shipping secure defaults that scale across engineering.

30+ days ago

AI Adoption Engineer - East Traversal Inc

$150,000–$300,000 / year

Our roots remain deeply embedded in AI research, and we've brought together researchers from institutions including MIT, Harvard, Berkeley, Columbia, and Cornell with world-class technical staff and operators from companies like Google, Meta, Datadog, ServiceNow, and Citadel Securities to take on one of the hardest problems for AI to solve. Run every customer-facing meeting type in the process: kickoffs, team enablement sessions, bi-weekly product feedback calls, power-user 1:1s, weekly syncs, exec/leadership syncs, and Quarterly Business Reviews.

18 days ago

Cyber - AI Engineer - Senior - Consulting Ernst & Young Global Ltd

New York, NY

$125,800–$209,700 / year

If you have a disability and either need assistance applying online or need to request an accommodation during any part of the application process, please call 1-800-EY-HELP3, select Option 2 for candidate related inquiries, then select Option 1 for candidate queries and finally select Option 2 for candidates with an inquiry which will route you to EY's Talent Shared Services Team (TSS) or email the TSS at ssc.customersupport@ey.com. A bachelors degree in Cybersecurity, Computer Science, Information Systems, Engineering, or a related field and 3-5 years of relevant experience, including hands-on software engineering and experience building or deploying AI/ML solutions.

27 days ago

Electrical Engineer Judge Group

Pearl River, NY

$45–$50 / year
Quick Apply

By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. You'll help ensure reliable operation of critical utilities, support infrastructure upgrades, and partner across facilities, EHS, security, and IT teams.

30+ days ago

Infrastructure Engineering Director Flutter Entertainment plc

New York, NY

$197,000–$246,000 / year

FanDuel Group consists of a portfolio of leading brands across mobile wagering including: America's #1 Sportsbook, FanDuel Sportsbook; its leading iGaming platform, FanDuel Casino; the industry's unquestioned leader in horse racing and advance-deposit wagering, FanDuel Racing; and its daily fantasy sports product. FanDuel Group is a subsidiary of Flutter Entertainment, the world''s largest sports betting and gaming operator with a portfolio of globally recognized brands and traded on the New York Stock Exchange (NYSE: FLUT).

30+ days ago

Principal AI-Native Software Engineer ButterflyMX Inc

$215,000–$250,000 / year

Access to optional benefits including pre-tax flexible healthcare spending accounts (FSA and HSA), Dependent Care FSA, and Commuter Benefits, as well as optional Supplemental Life, AD&D, Hospital Indemnity, Legal, Accident, Critical Illness, Pet, and Personal Liability Insurance. Our products are installed in more than 20,000+ multifamily, commercial, gated communities, and student-housing properties worldwide, including properties developed, owned, and managed by the most trusted names in real estate.

30+ days ago

Senior Software Engineer, Web3 Backend Robinhood Markets Inc

New York, NY

$196,000–$230,000 / year

You'll provide technical leadership to deliver a best-in-class trading experience for cryptocurrencies and tokenized assets-including perpetual futures-to customers worldwide, solving complex distributed systems and correctness challenges in an environment where the systems you build move real customer assets continuously around the clock. The team continuously improves Robinhood Chain to provide a best-in-class decentralized platform for trading real-world assets, builds specialized smart contracts, and provides infrastructure services for other Robinhood teams that rely on DeFi.

6 days ago

Software Engineer, Education Anthropic

New York City, NY

$320,000–$405,000 / year

You'll work with a handful of highly technical educational collaborators to own the technical vision and execution for how Anthropic's education team delivers educational experiences at scale, and you'll build the AI-augmented pipelines and platform capabilities that let a small team of educators operate with reach and responsiveness that would otherwise require an organization ten times larger. Architect and own Anthropic's enterprise ready education platform and infrastructure - authentication/SSO, learner data models, content delivery, credentialing, and progress tracking - designed for scale, AI-forward features, and reliability from day one.

30+ days ago

Senior Mechanical Engineer, Rail + Transit (Design) T.Y. Lin International Group Ltd

New York, NY

$117,600–$176,400 / year

This role is ideal for an experienced mechanical engineer who takes pride in technical excellence, enjoys solving challenging design problems, and is motivated by the opportunity to shape modern transit environments. TYLin's Rail + Transit team is seeking a Senior Mechanical Engineer to support the design of high-performance mechanical systems for some of the most complex transit infrastructure projects in the country.

30+ days ago

Full Stack Engineer 4- People Tech- GenAI & Agentic Systems (LangChain, LangGraph) Capital One Financial Corp

New York, NY

$179,400–$204,700 / year

Chicago, IL: $179,400 - $204,700 for Full-stack Engineer 4. McLean, VA: $197,300 - $225,100 for Full-stack Engineer 4. New York, NY: $215,200 - $245,600 for Full-stack Engineer 4. Plano, TX: $179,400 - $204,700 for Full-stack Engineer 4. Richmond, VA: $179,400 - $204,700 for Full-stack Engineer 4. San Francisco, CA: $215,200 - $245,600 for Full-stack Engineer 4. San Jose, CA: $215,200 - $245,600 for Full-stack Engineer 4. Candidates hired to work in other locations will be subject to the pay range associated with that location, and the actual annualized salary amount offered to any candidate at the time of hire will be reflected solely in the candidate's offer letter. Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and Kubernetes, and a variety of AWS tools and services.

18 days ago

Staff + Software Security Engineer, Labs Anthropic PBC

New York City, NY

$320,000–$485,000 / year

The kinds of bets currently in flight or queued: Standing up a prototype high-assurance research cluster: running real Anthropic training and research workloads under extreme isolation and physical security controls, and finding out exactly where productivity breaks and what we''d need to invent to get it back. You''re a strong software engineer as a baseline, and on top of that you''ve gone deep in at least one area most engineers don''t get near: firmware or hardware security, applied cryptography, OS / kernel / hypervisor internals, formal methods, reverse engineering, or high-assurance and cross-domain systems.

6 days ago

Devops Engineer (Usa) Trexquant Investment

Stamford, CT

Cross-Functional Collaboration: Partner closely with Linux Systems Engineers and internal technical stakeholders to align delivery pipelines with operational goals. We are seeking a DevOps Engineer to build, manage, and scale the automation, tooling, and delivery pipelines supporting our research and trading platforms.

30+ days ago

DevOps Engineer TechDigital Corporation

Secaucus, NJ

Remote

Quick Apply

Working closely with architecture, operational, and security teams, you will play a key role in developing new teams and processes to support client cloud applications. As a DevOps Engineer you will be responsible for developing the efficient planning, provisioning, installation/configuration, and operations of systems hardware and software and related infrastructure in a hybrid cloud architecture.

29 days ago

Senior Electrical Engineer, RF & Wireless Hardware Chip-Down Design | Remote Eligible | Relocation Assistance Axon Enterprise Inc

New York, NY

Remote

$112,800–$196,535 / year

You will solve complex challenges across Land Mobile Radio (LMR), LTE/cellular, broadband wireless, RF coexistence, interference, isolation, EMI/EMC, power, and antenna integration, working closely with RF, Systems, Mechanical, Firmware, and Manufacturing teams. Technical Leadership: Provide technical direction on radio hardware architecture and design while working with chipset vendors, external design partners, ODMs/JDMs, and internal engineering teams.

17 days ago

Software Engineer III JPMorgan Chase Bank, N.A.

Jersey City, NJ

Full time

As a Software Engineer III at JPMorgan Chase within the Corporate Technology, Employee Platforms team, you serve as a seasoned member of an agile team to design and deliver trusted, market-leading technology products in a secure, stable, and scalable way. JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P.

11 days ago

Senior Traffic Engineer / Project Manager GFT Infrastructure Inc

Woodbury, NY

$125,000–$165,000 / year

The successful candidate will be responsible for managing technical tasks, mentoring junior staff, and ensuring the delivery of high-quality engineering solutions that improve mobility, safety, and operational efficiency for clients including NYSDOT, NYCDOT, MTA, and local municipalities. Whether working on highways and bridges or traffic engineering, our team excels in resilient, sustainable design and construction, delivering innovative solutions that address the complexities of modern, multimodal roadway systems and ensure safe, efficient, and reliable travel for all.

30+ days ago

Forward Deployed Engineer Implementation Engineering Harness Inc

New York, NY

Remote

$170,000–$200,000 / year

Over the past year, Harness powered over 185M deployments, 82M builds, 18T flag evaluations, 8M security scans, 9.1B optimized tests, 3T protected API calls, and helped manage $2.8B in cloud spend - enabling customers like United Airlines, Morningstar, and Choice Hotels to accelerate releases by up to 75%, reduce cloud costs by up to 60%, and achieve 10x DevOps efficiency. Powered by Harness AI and the Software Delivery Knowledge Graph, the Harness Platform applies deep context and intelligent automation across the software delivery lifecycle with governance and policy-driven controls embedded throughout the platform.

15 days ago

Get noticed by top employers!

Upload your resume to let employers know you're open to Freelance Communications job opportunities. Plus, receive relevant job recommendations in your inbox.

Create A Free Account

Freelance Communications Jobs in Cambridge, MA

Mobile Infrastructure Engineer Polymarket

Backend Engineer fun.xyz

Senior Marine Structural Engineer - Kiewit Infrastructure Engineers Kiewit Corp

Software Engineer, Infrastructure Security Notion Labs Inc

AI Adoption Engineer - East Traversal Inc

Cyber - AI Engineer - Senior - Consulting Ernst & Young Global Ltd

Electrical Engineer Judge Group

Infrastructure Engineering Director Flutter Entertainment plc

Principal AI-Native Software Engineer ButterflyMX Inc

Senior Software Engineer, Web3 Backend Robinhood Markets Inc

Software Engineer, Education Anthropic

Senior Mechanical Engineer, Rail + Transit (Design) T.Y. Lin International Group Ltd

Full Stack Engineer 4- People Tech- GenAI & Agentic Systems (LangChain, LangGraph) Capital One Financial Corp

Staff + Software Security Engineer, Labs Anthropic PBC

Devops Engineer (Usa) Trexquant Investment

DevOps Engineer TechDigital Corporation

Senior Electrical Engineer, RF & Wireless Hardware Chip-Down Design | Remote Eligible | Relocation Assistance Axon Enterprise Inc

Software Engineer III JPMorgan Chase Bank, N.A.

Senior Traffic Engineer / Project Manager GFT Infrastructure Inc

Forward Deployed Engineer Implementation Engineering Harness Inc

Similar Job Searches