Senior Full Stack Software Engineer
$160k - $210ktwenty80.io
Job Description
Job Description
About the Role
A growing technology startup is hiring a Senior Full Stack Software Engineer to help build and scale its core product. This engineer will work across the frontend and backend, contributing directly to customer-facing features as well as internal systems. The role offers a high level of ownership and influence over technical decisions in a fast-paced environment.
This position is well-suited for an engineer who enjoys working closely with product and design, shipping quickly, and improving systems over time.
What You’ll DoBuild and maintain full stack web applications used by customers and internal teams
Develop scalable backend services and APIs to support product features
Implement modern, responsive frontend interfaces with a focus on usability and performance
Collaborate with product managers and designers to define requirements and deliver solutions
Contribute to architectural decisions and technical roadmap planning
Write high-quality, well-tested code and participate in code reviews
Help improve engineering processes, tooling, and system reliability
Mentor junior engineers and contribute to a strong engineering culture
The engineering team works with a modern startup stack, including:
Frontend: React, TypeScript, Next.js
Backend: Node.js (Express or NestJS) and/or Python (Django or FastAPI)
Databases: PostgreSQL, Redis
Cloud & Infrastructure: AWS or GCP, Docker, CI/CD
APIs: REST and GraphQL
Tools: Git, GitHub, modern monitoring and logging tools
5+ years of professional software engineering experience
Strong full stack experience with modern JavaScript/TypeScript
Proven experience building and maintaining backend services and APIs
Solid understanding of relational databases and data modeling
Experience deploying and operating applications in cloud environments
Ability to work independently and take ownership of projects
Prior experience in a startup or fast-moving product team is a plus
Base Salary: $160,000 – $210,000 (San Francisco senior-level range)
Equity: Competitive equity package
Benefits: Medical, dental, vision coverage; flexible PTO; standard startup benefits
Work Model: Hybrid or remote-friendly depending on location and team needs
This role is with an equal opportunity employer. Qualified applicants will be considered without regard to race, color, religion, gender, sexual orientation, gender identity, age, disability, or veteran status.
- iSpace, Inc. is seeking a Senior Full-Stack Developer to architect and develop large-scale enterprise applications using React.js, Node.js, and Postgres. The role is fully remote, requiring 10+ years of experience and solid skills in developing complex web applications....SeniorRemote job
- A leading technology consultancy is seeking a Full-stack Developer to collaborate with one of the largest investment management companies, based in Southern California. The role requires strong skills in Angular, Typescript, HTML, and CSS, with significant backend experience...Senior
$140k - $200k
A prominent software company in Los Angeles is seeking a Full-Stack Engineer to design and maintain web applications. The ideal candidate should have expertise in React and JavaScript/TypeScript, strong problem-solving skills, and the ability to work with minimal oversight...Senior- Bayone is seeking a Senior Full Stack Developer in Culver City, California. The ideal candidate will have over 3 years of experience in full... ...is preferred. Join Bayone and be part of an innovative team dedicated to enhancing software solutions! #J-18808-Ljbffr BayoneSenior
- A technology firm in Los Angeles is seeking a seasoned Full Stack Developer to design, develop, and maintain applications in the Travel... ...developers. The ideal candidate has over 10 years of experience in software development and strong proficiency in React, Node.js, and...Senior
$135k - $175k
...Role We are seeking an experienced, highly motivated Senior Full-Stack Engineer to join our growing team. The ideal candidate will be a strong... ...on the role of Artificial Intelligence (AI) in modern software development. Candidates must demonstrate an active engagement...SeniorFull timeRemote workShift work- Fincons.US, Inc. is seeking a Full Stack Developer located in Los Angeles, California. The ideal candidate will have over 5 years of experience and strong Golang skills to work in the Ad Tech industry, building scalable services and applications. The position requires...Senior
- ...Academy - , Patient Advocacy Workshops in Los Angeles, - and in Northern Ireland - and our Online Peer to Peer Events - Senior Full Stack Engineer: Build the Unified Patient Experience Join Human Health Project and engineer a revolutionary, data-driven platform...Senior
- Beyond Hosting is seeking a Full Stack Developer to work across the entire technology stack, from React applications to backend Node.js... ...and TypeScript, and a strong passion for building innovative software. Beyond Hosting prioritizes employee well-being with comprehensive...SeniorFlexible hours
- A medical technology company in Glendale, AZ, is seeking a Fullstack Developer to build and scale applications in the medical/dental tech space. The ideal candidate will have strong skills in React and Ruby on Rails, with experience in building large-scale applications....Senior
- A leading software solutions provider is looking for an experienced Full Stack Developer to join their team remotely. The role involves designing and implementing custom software applications, mentoring junior developers, and focusing on user-centric development. Candidates...SeniorRemote job
$120k - $220k
...you'll do Build and own end-to-end software systems that power flight operations, autonomy... ...looking for ~2+ years building real full-stack software in production ~ Strong... ...massive responsibility # High signal (engineering) to noise (management) culture # Dream...SeniorWork experience placementDay shift$140k - $200k
...Job Description Job Description Senior Full-Stack Software Engineer Job Title: Senior Full-Stack Software Engineer Location: Glendale, CA (HYBRID) Salary: $140-200k/year + FULL BENEFITS Requirements: Python, Javascript, React, Cloud (AWS, GCP, etc.)...SeniorOngoing contractCurrently hiringLocal area$145k - $173k
...truly feel safe. POSITION OVERVIEW: We're seeking a Senior Full Stack Engineer to join our App Experience team, where you'll play a critical... ...PostgreSQL MINIMUM QUALIFICATIONS : ~7+ years of software engineering experience with at least 3 years in senior...Senior$125k - $185k
...Job Description Job Description Senior Full Stack Software Engineer Based in Pasadena, CA OffWorld is a robotics startup working on developing a mobile robotic workforce for heavy industrial jobs on Earth, Moon, asteroids & Mars. OffWorld was founded by...SeniorLocal areaRemote work$124k - $180k
...audiences and our employees - and aim to leave a positive mark on culture.The Applied Intelligence team is seeking a Senior Full-Stack Software Engineer to lead the development of innovative, data-driven applications and visualization tools that power analytics, decision...Senior$165k - $230k
...actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. SR. FULL STACK SOFTWARE ENGINEER (COMPONENTS) The Components Engineering Team develops the world’s best flight hardware and fabricates it at an in-house...SeniorPermanent employmentFull timeTemporary work- Live Nation International in Beverly Hills, CA, is seeking a Senior Software Engineer I in Fan Based Marketing. This role involves developing... ...proficiency in Java, SQL, and AWS, among other skills. This full-time position offers a collaborative environment focused on...SeniorFull time
$139k - $201k
...boundaries of what’s possible in space-based defense and logistics. What You'll Do: As a Senior Full Stack Engineer at Inversion, you will define and build the internal software tools that help our engineering teams innovate, make better decisions, and operate more...SeniorPermanent employmentFull timeWork at officeShift workWeekend work$140k - $175k
...services, and so much more. The Role As a Senior Full Stack Developer, you will be a key leader across the entire software development lifecycle, from conceptual design... ...strategic opportunities they create for the engineering profession. Key Responsibilities Lead the...SeniorFull timeShift work$102.5k - $187.9k
...systems. Our teams span digital strategy, architecture, engineering, design, operations, and applied AI across a wide range of... ...love to hear your story. The opportunity As a Senior Full Stack Software Engineer , you will independently develop, test, and maintain...SeniorFull timeSummer holidayLocal areaFlexible hours- ...Job Description Job Description Senior Full Stack Engineer, AI-First Platform About the Company One of the fastest-growing lenders in the country, founded by an industry veteran and backed by a technology team that ships production code daily. This is not a...SeniorFull timeRemote work
- ...Title: Full Stack Software Engineer Location: Los Angeles, CA We are seeking highly motivated, collaborative, and technically strong Full Stack... ...reliability. The selected candidates will work closely with senior engineering leadership and help coordinate delivery execution...
$108k - $154k
...Rangeview | Full-Stack Software Engineer | El Segundo, CA | ONSITE | $108k–$154k + equity Rangeview is building the foundry system that reindustrializes America. We apply advanced software, deep automation, and materials science to making metal parts. You'd be an early...$140k - $180k
...From telescopes to software architecture, Observable Space provides... ...SpaceX’s former VP of software engineering to create a developer... ...applications. Observable Space’s full line of products serves all sectors... ...skilled and experienced Full Stack Software Engineer to join our...Work at officeLocal areaRemote workFlexible hours3 days per week- ...Full Stack Software Engineer We are seeking a versatile Full Stack Software Engineer to help us design and build the systems that power our control and command interface, infrastructure management, and cloud orchestration logic. This role spans the full software development...
$200k - $400k
...Full Stack Software Engineer We are seeking a highly motivated, collaborative, and technically strong Full Stack Software Engineer to join an... ..., and operational reliability. You will work closely with senior engineering leadership, contribute to architecture and implementation...- ...Springboot React BPM Tools knowledge (e.g. Camunda) Job Summary The Full Stack Lead will be responsible for leading the development and... ...stack java projects. The role involves overseeing the entire software development life cycle, from design and architecture to testing...
$143k - $165k
...the Role We are looking for a highly skilled and experienced Senior Full Stack Developer to design, build, and maintain next‑generation web... ...cross‑functionally with product managers, designers, and engineers to translate business requirements into technical solutions....SeniorLocal area$180k - $200k
...From telescopes to software architecture, Observable Space provides... .... Observable Space’s full line of products serves all... ...skilled and experienced Full Stack Software Engineer to join our dynamic team. This... ...to closure. Actively develop senior and mid-level engineers through...Work at officeLocal areaImmediate startRemote workFlexible hours3 days per week
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Full Stack Software Engineer. Be the first to apply!
- java full stack angular developer Los Angeles, CA
- c# .net full stack developer Los Angeles, CA
- remote .net full stack web developer Los Angeles, CA
- senior full stack web developer Los Angeles, CA
- full time engineer Los Angeles, CA
- full stack developer Los Angeles, CA
- full stack developer remote Los Angeles, CA
- senior java full-stack developer Los Angeles, CA
- senior full stack developer Los Angeles, CA
- junior full-stack web developer Los Angeles, CA

