Dayan Walter

Frontend Engineer

San Salvador, El Salvador9 yrs 9 mos experience

Highly StableAI Enabled

Key Highlights

Expert in Next.js and React.js for SaaS applications.
Proven track record in optimizing frontend architectures.
Strong leadership and problem-solving skills in logistics.

Stackforce AI infers this person is a SaaS-focused Frontend Developer with expertise in modern JavaScript frameworks.

Contact

dayanwalter@googlemail.com LinkedIn

Skills

Core Skills

Next.jsReact.jsGraphqlLeadershipCommunication

Other Skills

TypeScriptDockerPostgreSQLTailwind CSSGitArtificial Intelligence (AI)Problem SolvingJavaScriptAgile Application DevelopmentFront-End DevelopmentNode.jsDatabasesJSONGitHubREST-API

About

Frontend developer specialised in 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 and 𝗚𝗿𝗮𝗽𝗵𝗤𝗟, experienced in building applications using both 𝗚𝗿𝗮𝗽𝗵𝗤𝗟 and 𝗥𝗘𝗦𝗧ful APIs, 𝗥𝗲𝗱𝘂𝘅 and 𝗖𝗼𝗻𝘁𝗲𝘅𝘁 𝗔𝗣𝗜. What currently interests me is lightweight state management with 𝗭𝘂𝘀𝘁𝗮𝗻𝗱. To see examples of my work, please visit my GitHub (https://github.com/DayanWalter), portfolio (https://www.dayanwalter.com) or follow my worklog on linkedIn #cleancodesolutions

Experience

9 yrs 9 mos

Total Experience

2 yrs 5 mos

Average Tenure

Current Experience

Bonn consulting

2 roles

Frontend Developer

Sep 2024 – Present · 1 yr 8 mos · Remote

𝗡𝗲𝘅𝘁.𝗷𝘀 / 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 / 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 / 𝗚𝗿𝗮𝗽𝗵𝗤𝗟 / 𝗔𝗽𝗼𝗹𝗹𝗼 𝗖𝗹𝗶𝗲𝗻𝘁 / 𝗥𝗲𝗱𝘂𝘅
Built a real-time energy management SaaS frontend using 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, and 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁, enabling data-driven insights and achieving up to 20% energy cost reduction.
Migrated legacy 𝗥𝗘𝗦𝗧 APIs to 𝗚𝗿𝗮𝗽𝗵𝗤𝗟 and implemented 𝗥𝗲𝗱𝘂𝘅 state management to eliminate over-fetching and reduce latency in complex analytics dashboards.
Optimized a data-intensive SaaS frontend architecture by mastering 𝗚𝗿𝗮𝗽𝗵𝗤𝗟, 𝗔𝗽𝗼𝗹𝗹𝗼 𝗖𝗹𝗶𝗲𝗻𝘁, and scalable 𝗥𝗲𝗱𝘂𝘅 patterns, ensuring high performance and maintainability at scale.

Next.jsReact.jsTypeScriptGraphQLDockerPostgreSQL+13

Frontend Developer

Jun 2024 – Aug 2024 · 2 mos · Remote

𝗡𝗲𝘅𝘁.𝗷𝘀 / 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 / 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 / 𝗠𝗮𝗽𝗯𝗼𝘅 / 𝗚𝗲𝗼𝗧𝗜𝗙𝗙 / 𝗥𝗘𝗦𝗧 APIs
Built a sustainable agriculture SaaS frontend using 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, and 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁, enabling real-time irrigation optimization and crop health monitoring.
Integrated 𝗠𝗮𝗽𝗯𝗼𝘅 and 𝗚𝗲𝗼𝗧𝗜𝗙𝗙 via 𝗥𝗘𝗦𝗧 APIs to render large-scale geospatial imagery, optimizing performance through efficient client-side processing and controlled API requests.
Gained hands-on experience with geospatial data visualization in 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, building interactive maps and precision farming interfaces for data-driven agricultural decision-making.

Next.jsReact.jsTypeScriptDockerPostgreSQLREST-API

Career break

2 roles

Full-time parenting

Jun 2019 – Sep 2022 · 3 yrs 3 mos

Health and well-being

Jun 2018 – May 2019 · 11 mos

Hagebau logistik gmbh & co. kg

Retourenmanager

May 2014 – May 2018 · 4 yrs

Led conversion and optimization of returns processing system across 6 locations for 320 employees, streamlining workflows and improving efficiency.
Maintained and managed Linux-based databases to support accurate returns tracking and operational reliability.
Applied leadership, communication, and problem-solving skills to drive process improvements in high-volume logistics returns management.

LeadershipCommunicationProblem SolvingLinuxDatabases

Gls germany gmbh & co. ohg

Administrative Specialist

Jul 2013 – May 2014 · 10 mos

Maintained 𝗱𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 to ensure accurate and reliable data for operational and customer processes.
Provided support to drivers and customers, resolving inquiries and issues promptly.
Applied strong communication and problem-solving skills in a fast-paced logistics support environment.

CommunicationProblem SolvingDatabases

Bundeswehr (german federal armed forces)

Soldier for IT administration

Oct 2010 – Jul 2011 · 9 mos

Supported IT administration tasks in a military environment, ensuring reliable system operation and user support.
Collaborated with teams to troubleshoot and resolve technical issues under time pressure.
Developed leadership, communication, and problem-solving skills in a disciplined, high-stakes setting.

LeadershipCommunicationProblem Solving

Real sb-warenhaus gmbh

Retail merchant

Aug 2007 – Aug 2010 · 3 yrs

Assisted in daily store operations, including customer advising, sales, and merchandise presentation to drive positive shopping experiences.
Supported marketing and promotional activities, such as product displays and sales actions, to boost customer engagement and turnover.
Developed strong communication, problem-solving, and sales skills through hands-on retail teamwork and customer interaction.

CommunicationProblem SolvingMarketingSales