Top 10 Tech Startups Hiring Junior Developers in Argentina in 2026

Table of Contents

• Introduction
• Mercado Libre
• Ualá
• Pomelo
• Sezzle
• Henry
• Coderhouse
• Cashea
• Fudo
• Agrofy
• Takenos
• How to choose your route
• Frequently Asked Questions

Mercado Libre

If Buenos Aires tech had route numbers, Mercado Libre would be your Linea 60: not the newest bus, but the one that reliably crosses the whole city. From its Saavedra campus to its Córdoba hub, it’s the company that quietly moves thousands of engineers across e-commerce and fintech every day.

Why it’s a launchpad for juniors

Mercado Libre regularly shows up among the country’s most influential tech employers in rankings like StartupBlink’s top startups in Argentina and curated lists on Wellfound. For juniors, the key advantage is structure: clearly defined tracks in backend, data/ML, and site reliability, plus cohorts of entry-level hires instead of “solo junior” roles.

Typical entry points include:

• Backend developer for Mercado Pago APIs
• Data or ML engineer on recommendation and fraud teams
• Frontend developer for merchant dashboards and internal tools

Compensation for entry-level engineers often sits in the USD 1,500-2,200/month band (≈ARS amounts vary with the MEP/official rate), usually pegged to USD but paid in ARS, with bonuses and strong benefits. In community salary reports and on platforms like Wellfound’s Argentina company pages, Mercado Libre consistently lands in the upper tier for junior pay.

What you actually do in year one

On a typical squad, you’re shipping user-facing features on a modern stack: Java, Kotlin or Scala services; React frontends; microservices on AWS or GCP; and internal ML platforms that power search, pricing, and fraud detection. A realistic first project is owning a small Java microservice that calls an internal fraud model for “buy now, pay later,” writing unit and integration tests, wiring observability, and using AI coding assistants to handle boilerplate.

How to board this “line”

Most juniors come in via university fairs at UBA, UTN, or Universidad Nacional de Córdoba, code challenges, or internships advertised on LinkedIn. Treat the process like catching a busy colectivo: watch their careers page, keep your CV and GitHub “SUBE” charged, and be ready to move when a junior posting appears in Buenos Aires or Córdoba.

Ualá

If Mercado Libre is your Linea 60, Ualá is more like one of those express coaches leaving Retiro for La Plata: sleek, fast, and laser-focused on getting one kind of passenger - here, consumer-fintech users - from point A to point B.

Mobile-first fintech, product to the core

Based in Buenos Aires, Ualá runs a mobile-first personal finance platform spanning cards, savings, and loans across LatAm. In rankings of top startups in Argentina, it regularly appears as a flagship fintech unicorn, sitting in the same conversation as Mercado Libre and other heavyweights.

The engineering org is built around cross-functional squads that own slices of the app: onboarding, card management, savings products, credit, and risk. Junior developers land on these squads as:

• Android or iOS engineers working in Kotlin or Swift
• Backend developers in Java or Node.js on payments and risk services
• Data and analytics devs instrumenting events and pipelines for growth and credit models

Compensation and pace

For entry-level roles, Ualá typically offers USD-indexed salaries in ARS, often in the USD 1,400-2,000/month range for juniors, sometimes paired with equity or phantom stock. Community reports consistently place it slightly below Mercado Libre on base salary but ahead on early product ownership and speed: features ship fast, and even juniors see their code in production quickly.

Why it works well for AI-minded juniors

Because Ualá lives or dies on risk and engagement, data is everywhere: transaction categorisation, credit scoring, growth experiments. As a junior backend dev, you might expose an endpoint that feeds an internal ML model to label purchases, log user behaviour for A/B tests, and review metrics with data scientists. For someone coming from project-based bootcamps like Nucamp or Henry, this is where Python notebooks, prompt-engineering experiments, and solid API skills start to intersect with real-world fintech constraints.

To board this “line”, watch their LinkedIn roles and follow local ecosystem coverage like Argentina startup deep-dives. Then show up at Palermo fintech meetups with a portfolio that proves you can ship, measure, and iterate - not just code in isolation.

Pomelo

Some routes in the Buenos Aires network don’t carry end users; they move the system itself. That’s Pomelo: instead of another shiny wallet app, it’s the “fintech plumbing” that lets other players issue cards and process payments across LatAm. From Buenos Aires, its teams power infrastructure that newer startups ride on top of.

Fintech plumbing for a growing market

Pomelo is a B2B fintech infrastructure startup with hubs in Buenos Aires and a heavily remote culture. It builds APIs for issuing cards, managing balances, and handling compliance across multiple countries. In regional funding overviews such as FundedIQ’s Argentina startup report, Pomelo is consistently highlighted as a standout, having raised more than USD 105M to scale its platform. That runway matters for juniors: it signals product-market fit and the budget to invest in mentorship rather than throwing you into chaos.

Why juniors learn fast here

The engineering stack leans on Go and Node.js microservices, cloud-native deployments, and modern observability - ideal if you want to understand distributed systems early. Junior-friendly roles typically include:

• Backend engineers extending Go/Node services for new card programs
• Full-stack devs wiring merchant dashboards and internal tools
• API-focused engineers working on SDKs and developer experience

Compensation is usually USD-indexed and paid in ARS, with juniors often landing around USD 1,500-2,100/month equivalent, plus potential equity. For a first or second job, that’s firmly in the top fintech band in Argentina.

What year one actually feels like

Instead of tweaking UI buttons, you might help add support for a new regional card scheme: extending a Go microservice, integrating with a third-party sandbox, writing contract tests, and wiring metrics so data engineers can track approval rates in real time. Because Pomelo serves clients across the Americas, you also get nearshore experience early - standups with Mexican or US-based teams, Slack threads in Spanglish, and real SLAs to respect. For juniors who want to grow into backend, infra, or AI-for-fintech roles, this is one of the fastest “express lines” leaving Buenos Aires.

Sezzle

Some “lines” in the fintech network feel like they start in Minneapolis and stop in Microcentro. Sezzle is one of those: a US-founded buy now, pay later company that’s opened a lean, fast-moving engineering hub across Argentina, operating largely remote but anchored in Buenos Aires. With around 201-500 employees globally, it behaves like a startup while shipping at scale.

A clearly marked junior pipeline

Unlike many fintechs that hide behind “semi-senior” titles, Sezzle publicly advertises a Junior Software Engineer (Argentina) track. In their own role description for Argentina-based juniors, they spell out:

• Salary between USD 1,500-2,700/month, paid in ARS at the prevailing rate
• Target experience of 0-3 years
• A structured six-stage interview process focused on testing and code quality

For a junior dev in a hirer’s market, that level of transparency is rare. It signals serious expectations (you’re treated as a real contributor, not a cheap intern) and a clear path to grow if you can prove yourself.

What you’d build from here

Sezzle’s stack centers on Golang backends and React/React Native frontends, wrapped in a strong automated-testing culture. As a new hire, you might start by designing integration tests for a Go service that calculates installment schedules, then move on to exposing a new API so merchants can simulate plans inside their dashboards. Throughout, you’re expected to lean on AI assistants for boilerplate and test scaffolding, and to reason clearly about edge cases in a global payments system.

How to catch this route

Most Argentine juniors find Sezzle through LinkedIn and remote-first boards like RemoteRocketship’s Argentina listings. With more than 600 software-engineer roles visible across job sites, you need a sharp angle: Sezzle openly values “high IQ plus high EQ” profiles, so foreground projects where you owned tests, handled production-like incidents, or collaborated across time zones. Treat their six stages like checkpoints on a long-distance coach trip: plan your energy, practice Golang fundamentals, and show up ready to talk about both code and communication.

Henry

Instead of a bus line, Henry feels like the busy terminal classroom just off the main platform: people arriving from every background, laptops open, instructors shouting deadlines instead of departure times. For many juniors in Argentina, it’s both the ticket and the first stop on the route into tech.

Bootcamp and employer under one roof

Henry is an edtech startup headquartered in Buenos Aires that runs intensive web dev and data programs while also hiring its graduates. Backed by a Series A of about USD 12.2M and a team of 51-200 employees, it appears in indexes like Tracxn’s continued-learning startups in Argentina, alongside other regional education players.

The typical tech stack you’ll touch is JavaScript/TypeScript, React, Node.js, and PostgreSQL, with growing use of AI-powered feedback tools. Junior-friendly entry points include:

• Teaching Assistants for full-stack and data cohorts
• Junior full-stack devs on Henry’s own learning platform
• Roles in Henry Labs, their internal product and experimentation arm

Why it accelerates your fundamentals

Entry-level compensation usually sits in the USD 900-1,400/month equivalent band in ARS, slightly below fintech unicorns but with unusually high exposure to code review and mentoring. As a TA, you might guide a group building an e-commerce app in React and Node, debug live during class, then push improvements to Henry’s LMS - like refining an AI-based hint system or adding analytics on which challenges trip students up.

Bridge to the wider ecosystem

Henry is explicit about social mobility: reporting by outlets like Context News on Argentine bootcamps notes how programs here target underrepresented groups to fill tech jobs. Henry connects graduates to a network of 1,000+ hiring partners across fintech, SaaS, and consulting, so a typical path is student → TA → junior dev (internal or external). If you’re coming from another bootcamp such as Nucamp, Henry can be the “transfer stop” where you solidify fundamentals while teaching, then hop onto product teams in Buenos Aires, Córdoba, or fully remote roles across LatAm.

Coderhouse

Where Henry feels like a bootcamp campus, Coderhouse is more like a packed evening curso in Palermo - live-online, chat scrolling nonstop, instructors and TAs bouncing between questions. It’s one of Argentina’s edtech heavyweights, focused on live, cohort-based courses in dev, data, and design rather than pre-recorded content.

Edtech scaleup with real product teams

Headquartered in Buenos Aires and operating remote-first, Coderhouse has raised around USD 13.6M (Series A) and grown to roughly 201-500 employees. In overviews of the local ecosystem such as Argentina startup galleries, it regularly appears alongside top fintech and SaaS players, signalling that it’s not “just a school” but a mature tech company with a serious product team.

Juniors typically enter as:

• Front-end or full-stack developers on the learning platform
• Teaching Assistants who later transition into product roles
• Engineers focused on payments, analytics, or community features

Culture of “learning by doing”

The internal stack leans on React, Node.js, TypeScript, AWS, and data analytics tooling. For an entry-level dev, that means constant exposure to real user feedback - if you deploy a change to the “Projects” area or to live class tools, hundreds of students will hit it that night. Salary bands usually sit in the USD 1,000-1,600/month equivalent range in ARS, with performance bonuses and a reputation for more predictable hours than hypergrowth fintechs.

Nearshore-ready skills from Buenos Aires

Because Coderhouse teaches thousands of Latin American students how to code, its own platform has to be robust enough for nearshore clients that expect reliability and modern UX. Reports on why companies hire in Argentina, like Simera’s breakdown of the local market, highlight this mix of strong talent and lower costs - exactly the environment Coderhouse trains for. For juniors, that makes it an ideal “line” if you want to build B2C education products, sharpen front-end and experimentation skills, and still have energy left after work to keep studying AI and data.

Cashea

On the fintech map, Cashea is that new BNPL line that suddenly appears on the departures board and fills up fast. It focuses on installment payments for e-commerce, giving Argentine shoppers a way to split purchases while helping merchants close more sales - a powerful mix in a country where credit access is uneven but online buying keeps growing.

Early-stage, but not tiny

Cashea recently closed a ~USD 750k seed round (March 2025) and already counts around 501-1,000 employees globally, with a rapidly expanding footprint in Argentina. That odd combo - fresh funding plus substantial team size - means it behaves like a scaleup in operations, but keeps early-stage traits: direct exposure to senior engineers and founders, fast decisions, and plenty of greenfield work.

The core stack blends Python, Odoo (for ERP-style workflows), React, and PostgreSQL, plus fintech-grade security layers. Junior dev roles commonly include:

• Backend or Odoo developers extending credit and billing logic
• Front-end engineers building merchant and operations dashboards in React
• Data-minded devs wiring product features to basic risk or recommendation models

Why it’s attractive for first or second jobs

Entry-level packages typically land around USD 1,000-1,500/month equivalent in ARS, with greater equity upside than mature fintechs. For juniors, the bigger win is responsibility: instead of touching a tiny slice of a giant system, you might own a full dashboard that shows repayment stats to merchants, integrate it with a Python backend, and collaborate with data scientists on a simple ML flag for high-risk customers.

Finding this line on the board

Cashea surfaces often on LinkedIn, Get on Board, and startup-focused channels highlighted in Revelo’s guide to hiring developers in Argentina. In Palermo or Microcentro meetups, ask specifically about BNPL and Odoo teams; engineers connected to that ecosystem will know who’s hiring juniors quietly, before ads even hit the job boards.

Fudo

In the Buenos Aires tech network, Fudo is the line that winds through every barrio with a bar or parrilla. It powers the restaurants themselves: point-of-sale, reservations, delivery integrations, and the analytics that tell owners whether Thursday nights or Sunday lunches are really paying the rent.

Gastronomy SaaS with real-world stakes

Fudo builds cloud-based software for restaurants across LatAm, combining POS terminals, booking tools, inventory, and data dashboards into a single platform. Multiple 2026 startup rankings describe it as a top Argentine SaaS scaleup, reflecting both its user base and steady hiring. The typical stack mixes a modern JS framework on the front (React or Vue), a web backend (Node, Ruby, or Python), mobile apps, and cloud infrastructure tuned for thousands of concurrent orders at dinner rush.

Why juniors grow quickly here

The company’s own messaging emphasises building an “enthusiastic team eager to learn and grow,” and that shows up in the kinds of roles they open:

• Junior front-end and full-stack devs shipping features to the POS and admin panels
• Engineers collaborating with support and sales to fix issues from real restaurants
• Developers working with data teams on sales dashboards and forecasting tools

Salary-wise, Fudo usually sits in the mid-range for product startups, with juniors earning roughly USD 1,000-1,600/month equivalent in ARS, depending on experience and role. For many, the payoff is domain depth: understanding SME SaaS, subscription metrics, churn, and upsell is highly portable to other product companies highlighted in overviews like global rankings of Argentine software firms.

On a concrete project, you might surface an ML-powered “busy hours” prediction on the POS home screen: pulling data from a sales-history service, wiring a chart into the UI, and adding tracking so data scientists can validate forecast accuracy. To board this line, follow Fudo on LinkedIn, check their careers page regularly, and show portfolio projects where you turned messy, real-world constraints - inventory, schedules, payments - into clean, usable interfaces.

Agrofy

Not every promising route leaves from Buenos Aires. Sometimes the right bus is the one pulling out of Retiro toward Rosario, past silos and soy fields. That’s Agrofy: a marketplace and SaaS platform built in the heart of the pampas, where code meets tractors, seeds, and financing instead of yet another ride-hailing clone.

Agtech marketplace from Rosario to the world

Agrofy connects farmers, suppliers, and financial services in a single digital marketplace: listings for machinery and inputs, embedded financing options, and tools to coordinate logistics. In maps of the ecosystem like StartupBlink’s top startups in Argentina, it stands out as one of Rosario’s flagship tech employers and one of the most mature agtech scaleups in the region.

Under the hood, you’ll find a classic marketplace stack: React or Angular on the front, Java or Node.js on the back, plus search, recommendation, and pricing engines tuned for seasonal demand and volatile commodity prices.

Why juniors should look beyond CABA

Joining Agrofy is a way to step outside the AMBA bubble without sacrificing modern product work. Typical junior roles include:

• Front-end developers improving search and listing experiences
• Backend engineers working on catalog, pricing, or logistics services
• Data-minded devs helping with relevance, recommendations, and market intelligence tools

Entry-level compensation usually falls around USD 900-1,500/month equivalent in ARS, broadly competitive with many CABA roles, but paired with a lower cost of living in Rosario and nearby cities.

What you’ll actually ship

A realistic first project might be improving how tractors or seed packages are displayed and filtered in search: adding new filters and sorting options, wiring them into backend query APIs, and collaborating with data engineers on relevance signals like click-through rates, conversion, and seasonality. It’s a strong “line” if you care about real-economy impact and want early exposure to search and recommendation problems that later translate directly into roles at larger AI and marketplace companies across Argentina and LatAm.

Takenos

Among all the big-name fintech “buses”, Takenos is the small unit that pulls into the platform with hand-written signage and the founder at the wheel. It’s a young cross-border payments startup in Buenos Aires, building tools so SMEs can send and receive money across borders without feeling like they’re fighting the banking system.

Tiny team, serious problem space

With roughly 11-50 employees and a fresh funding round in October 2025, Takenos sits firmly in the early-stage camp. That size means you’re not one more dev in a 300-person squad; you’re in the room where the product gets defined. The stack is straightforward but modern - Node.js on the backend, React on the front, plus fintech-grade security and compliance integrations to keep regulators happy while pesos, dollars, and reais move around.

What “junior” really means here

For juniors, Takenos is likely the closest thing on this list to a true “garage startup.” Instead of waiting months to touch production, you might own an entire onboarding flow for SMEs: building a React UI, wiring it to Node APIs, adding KYC steps, and integrating with external compliance providers. Base pay is leaner than at unicorns - often around USD 800-1,300/month equivalent in ARS - but typically paired with meaningful equity and direct access to founders who are still iterating on product-market fit.

Using it as a launchpad

Because cross-border fintech touches FX, risk, and global partners, the problems you solve early on are naturally “AI-adjacent”: anomaly detection on transactions, document verification flows, or smart routing of payments. If you’re aiming at future roles in applied ML or AI for finance, this kind of raw domain exposure is gold.

To discover companies at this stage, don’t rely only on mass job boards. Early founders often tap networks like YC’s Buenos Aires job filters, local accelerators, or even Twitter posts before they ever publish a polished ad. In that world, a solid GitHub, a clear story, and willingness to learn fast can matter more than a long CV.

How to choose your route

By now, the departures board is full: Mercado Libre, Ualá, Pomelo, Sezzle, Henry, Coderhouse, Cashea, Fudo, Agrofy, Takenos. The trick isn’t finding a bus; it’s knowing which route matches where you are, and where you actually want to end up in Argentina’s AI and software ecosystem.

Read the board, not the ads

Instead of asking “Which company is best?”, ask how each line scores on a few concrete axes:

• Route: Does the stack (Java/Go, JS/React, Python/ML) match the skills you’re building now?
• Pace: Do you want structured training (Mercado Libre, Sezzle) or founder chaos (Takenos, Cashea)?
• Stops: Are you tied to AMBA, or open to hubs like Córdoba and Rosario, which together handle roughly 30-40% of Argentina’s software exports?
• Fuel: Is there recent funding or clear revenue so you’re not changing buses in six months?

Know what “junior” really means now

Analyses of 100+ postings show that juniors are hired as contributors who happen to be early in their careers, not apprentices. As one trend report from Denoise Digital on the disappearance of the junior developer puts it:

“To survive 2026, you must shift from ‘Coder’ to ‘Architect’… firms now want contributors who can use AI agents instantly.” - Denoise Digital Trends

That’s doubly true in Argentina, where nearshore demand means local devs are often 30-50% cheaper than US peers, so companies compensate by raising the bar on impact from day one.

Finally, be smarter than the average passenger. Go beyond Bumeran and Computrabajo: use startup-focused boards like Wellfound’s Argentina startup listings, VC portfolio job pages, and communities like Sysarmy or FrontEndCafé. Treat this Top 10 as your Buenos Aires bus map - then cross-check each line against your skills, risk tolerance, and AI ambitions. Once you’re clear on your destination, the board stops being overwhelming, and choosing your first route becomes a deliberate decision instead of a rushed guess before the doors close.

Frequently Asked Questions