Zaposlitev "backend"

Blocksi Inc, . a leading company dedicated to creating secure and productive learning environments is looking for a talented Backend Developer to join our innovative team. As a Backend Developer at Blocksi, you will play a pivotal role in shaping the future of educational technology. You will work with a dynamic tech stack including Node.js, TypeScript or Express, MongoDB, Redis, Cassandra, Python, HTML, CSS, jQuery, Docker, Agile methodology, Jira, Git, and Google API. Develop and maintain server-side logic and integrate with front-end components. Design, implement, and maintain robust database systems, ensuring efficient data storage, retrieval and security. Create and maintain APIs to facilitate communication between different services and front-end applications. Monitor and optimize server performance, identifying and resolving bottlenecks. Implement security measures, including encryption, authentication, and authorization, to protect data integrity. Integrate third-party services and APIs to extend application functionality. Write clean, maintainable code and document the development process, code structure, and API endpoints. Diagnose and fix bugs, performance issues, and other problems in the application. Develop and execute unit tests, integration tests, and other testing protocols to ensure application robustness and reliability. Utilize version control systems like Git to manage and track changes in the codebase. Stay updated with the latest technologies, best practices, and industry trends to continuously improve skills and the application. Requirements: Bachelor Degree in Computer Science, Engineering, or a related field. Proven experience as a Backend Developer or similar role. Proficiency in server-side languages such as JavaScript, Node.js, Python, etc. Experience with database technologies like MySQL, PostgreSQL, MongoDB, Cassandra, etc. Strong understanding web services. Familiarity with front-end technologies and frameworks is a plus. Knowledge of security best practices and development. Excellent problem-solving skills and attention to detail. Strong communication and collaboration skills. Meaningful work, working on a product that ensures the safety of millions of students. Competitive Salary, based on knowledge and experience. Budget for education, courses, and conferences. Free coffee/snacks, team-building events, and a gym. Bonuses twice per year. Work in an office center Maribor. Mid Level: 2.500 - 3.300 € gross - based on knowledge and experiences Senior Level: 3.300 - 4.500 € gross - based on knowledge and experiences [email protected]

Objavljeno pred: 1 teden

Razvoj in vzdrževanje enega globalno najnaprednejših sistemov na področju energetike; Integracije in dopolnitve sistema za podporo tujim trgom; Razvoj in vzdrževanje podpornih sistemov. 3+ let strokovnih izkušenj v backend razvoju; Dobro poznavanje vsaj enega programskega jezika, poznavanje jezika GO je prednost; Poznavanje vsaj ene relacijske baze, poznavanje PostgreSQL je prednost; Druga zaželena znanja: Git, MongoDB, RabbitMQ, Docker, Kubernetes, Linux; Sposobnost samostojnega in skupinskega dela, hitrega učenja in prilagajanja novim tehnologijam; Dobro razumevanje najboljših praks razvoja programske opreme; Diplomski ali višji študij računalništva ali sorodnega področja; Odlične veščine reševanja problemov in komunikacije; Tekoče znanje angleščine. Zaposlitev za nedoločen čas s poskusno dobo; Stimulativno plačilo, ki odraža vaše znanje in izkušnje; Fleksibilen delovni čas – možnost hibridnega dela (po poskusni dobi); Dinamično delovno okolje z možnostjo profesionalnega razvoja; Delo na zanimivih in inovativnih projektih; Neposredno vključenost v razvoj mednarodnega podjetja na enem najhitreje rastočih področij ključnih za podporo zelene preobrazbe družbe; Delo v strokovno podkovani mednarodni ekipi; Dodatna strokovna izobraževanja; Delo v sodobno opremljenih prostorih; Malico v naši restavraciji Manu; Brezplačno parkirišče; Možnost polnjenja EV. [email protected]

Kot Senior backend inženir boste ključni del naše ekipe in boste neposredno vplivali na razvoj naše platforme. Vaše delo bo osredotočeno na reševanje konkretnih izzivov: - Načrtovali in implementirali boste naš nov, razvijalcem prijazen Public API, ter sodelovali neposredno s strankami pri njihovih integracijskih načrtih. - Reševali boste izzive skaliranja našega sistema za obdelavo podatkov iz več kot 100.000 povezanih plovil hkrati. - Arhitekturno boste zasnovali robustne podatkovne modele za kompleksne primere uporabe, kot so podatkovno podprto vzdrževanje plovil in zajemanje podatkov iz dvojnega CAN vodila. - Sodelovali boste pri načrtovanju in implementaciji novih funkcionalnosti za naše aplikacije, vključno z novimo hardverskimi integracijami. - Vsaj 5 let izkušenj na področju razvoja zalednih (backend) sistemov. - Odlično poznavanje programskega jezika Python in visoka strokovna usposobljenost za delo s Python ogrodji za razvoj spletnih storitev (Django, Django REST Framework, itd). - Poznavanje vsaj nekaterih tehnologij, kot so REST, PostgreSQL, avtomatizirano testiranje, RabbitMQ, TimescaleDB, SQL, Docker in Ansible, upravljanje z Linux strežniki. - Dokazljive izkušnje z načrtovanjem in izgradnjo RESTful API-jev ter snovanjem kompleksnih podatkovnih modelov. - Dobro poznavanje orodij za nadzor različic programske opreme, kot je Git, in poznavanje načel in vzorcev razvoja programske opreme. - Odlične komunikacijske sposobnosti in močan občutek za reševanje izzivov, tako pri samostojnem kot timskem delu. - Zagotavljanje visoke ravni učinkovitosti in zanesljivosti storitev in ključnih sistemov. - Aktivno znanje angleškega jezika. - Sodelovanje pri razvoju in načrtovanju najsodobnejših IoT storitev in produktov, ki so vodilni na področju pomorske industrije. - Delo v sproščeni, povezani in zagnani ekipi, ki želi deliti svoje znanje in stremi k skupnim ciljem. - Delovno okolje, ki nudi nove izzive in znanja. - Zaposlitev za nedoločen čas s poskusno dobo 6 mesecev. - Fleksibilen delovni čas in možnost prilagajanja prostočasnim dejavnostim. - Konkurenčno plačilo. - Okolje, ki ima posluh za želje in predloge ter skupaj z vami razvija vašo karierno pot. - Možnost dela na infrastrukturno ugodni lokaciji v Ljubljani (Tehnološki park) ali hibridnega dela. - Izpostavljenost številnim priložnostim za strokovni in osebni razvoj. - Dolgoročno sodelovanje s polnim delovnim časom. [email protected]

What you will do Develop scalable & reliable systems Develop core functionality for our own customer-facing and internal products, systems and data platforms, and e-commerce capabilities using modern frameworks Develop extensible platforms and architectures that make it possible to quickly and efficiently launch new products and lines of business Develop and maintain integrations with third-party systems Develop the APIs powering the web & mobile platforms for our product portfolio Drive impact in a team environment You'll work with other software engineers, designers, QAs, product managers, business stakeholders and domain experts You'll drive impact and own your work end-to-end - from scoping & planning, architectural design decisions, implementation and testing, to production deployment and operations. What we need from you Experience building web backends in Node.js/Typescript or a willingness to learn on the job Familiarity with scalable cloud architectures, design patterns and best practices Practical experience with CI/CD and IaC (Infrastructure-as-code) Experience with databases & data management practices - relational databases & search engines Experience with TDD and testable code - unit / integration / performance testing Great verbal and written communication skills and the ability to explain complex ideas in a simple way to non-engineering teammates Ability to zoom in and out - be comfortable with getting into the relevant low-level details while also making the optimal tradeoffs for achieving the "big picture" goals This is a hybrid role requiring 3 days per week in the office Experience you may have A degree in CS or equivalent is a plus Practical experience with building scalable & highly reliable cloud systems that support product used by millions of users around the world 24/7 Familiarity with modern JS frameworks Experience working in cross functional teams An eye for user behaviour and design and attention to detail Remote DOO/SP delo z dobro kompenzacijo in bonitetami. Veliko dobrih tehničnih izzivov in sodelovanje pri oblikovanju arhitekture sistemov in produkta. Delo v UK/EU timezone, delovnik fleksibilen. Email: [email protected]

Delim povezavo do razpisanega delovnega mesta za Backend inženirja: https://3fs.bamboohr.com/careers/56 https://3fs.bamboohr.com/careers/56

Objavljeno pred: 3 tedne

Delamo na produktih za trgovanje in varno hrambo digitalnih sredstev, med drugim na platformi BISON za trgovanje s kriptovalutami, ter na sistemih, kjer so varnost, zanesljivost in skalabilnost ključnega pomena. V zadnjem času vse več sodelujemo tudi z institutional strankami. Postali boste del ekipe za skrbništvo (Custody), ki je specializirana za razvoj varnih in razširljivih zalednih rešitev za skrbniške produkte na institucionalni ravni. Delo je osredotočeno na integracije tehnologije veriženja blokov, zagotavljanje visoke ravni varnosti in skladnost s predpisi. Vaše naloge: - Delo v agilni razvojni ekipi in sodelovanje z različnimi deležniki. - Razvoj in vzdrževanje varnih programskih vmesnikov (API-jev) ter mikroservisov. - Integracija in vzdrževanje podpore za tehnologije veriženja blokov. - Upoštevanje panožnih varnostnih standardov, pisanje testov enot in sodelovanje pri pregledih kode za zagotavljanje varne, skladne in enostavno vzdrževane kode. - Najmanj tri leta izkušenj s programiranjem v jeziku C# in poznavanje platforme. NET; poznavanje okolja. NET Core oziroma različice. NET 5 ali novejše predstavlja prednost. - Izkušnje z načrtovanjem, programiranjem in testiranjem novih aplikacij. - Dobro poznavanje mikroservisnih okolij oziroma porazdeljenih sistemov (Kubernetes, Docker), Linuxa in relacijskih podatkovnih zbirk. - Osnovno poznavanje platforme AWS. - Poznavanje Gita. - Tekoče ustno in pisno znanje angleščine. - Zanimanje za trgovanje, investiranje predstavlja prednost. - Dobro plačilo in shemo nagrajevanja. - Redno zaposlitev za nedoločen čas. - Možnost izbire opreme za delo. - Hibridno delo (v septembru se selimo v novo pisarno v Ljubljano). - 30 dni dopusta. - Parkirno mesto v garaži. - BBQ na terasi, teambuildingi, letni hackathon … Prijava preko https://bsdigital.hire.trakstar.com/ ali na [email protected]

Ključne odgovornosti: razvoj in vzdrževanje programske opreme v okolju C# /.NET, razvoj backend storitev, API-jev in drugih programskih modulov. dobro znanje C# /.NETdobro razumevanje osnov razvoja programske opremeosnovno ali dobro poznavanje SQL in relacijskih baz podatkovsamostojnost, odgovornost in analitičen način razmišljanjaaktivno znanje angleškega jezikazaželeno poznavanje orodij, kot so Visual Studio, Git, Jira ali podobnoPrednost imajo kandidati z izkušnjami na področjihbackend razvojaREST API in web storitevSQL Server ali drugih relacijskih baz podatkodiagnostike in odpravljanja napak v produkcijskem okolju zaposlitev za nedoločen čas s poskusnim obdobjemdelo na zanimivih, inovativnih in razvojno usmerjenih projektihuvajanje v naše produkte in način delamožnost strokovnega in osebnega razvojasodobno delovno okoljefleksibilen delovni čassodelovanje v prijetni, razvojno usmerjeni ekipidelo v podjetju, kjer tvoje ideje in prispevek štejejoprijetno in podporno delovno okolje, kjer cenimo odprto komunikacijo in sodelovanje.skupna kosila, kava, sadje v pisarni in druge ugodnosti.team buildingi in novoletna druženjadelovno mesto v Kranju

Za našega naročnika, vodilno podjetje na področju programskih rešitev za optimizacijo poslovanja, iščemo organiziranega in samoiniciativnega kandidata za delovno mesto "C# razvijalec m/ž". Vabljeni k prijavi! Lokacija dela: Jesenice / hibridno Odlično poznavanje C# in. NET Core Framework-a ter izkušnje z Entity Framework (EF Core); Dobro razumevanje relacijskih baz (MySQL, Microsoft SQL); Izkušnje z razvojem Rest API-jev in integracijami s tretjimi sistemi; Poznavanje avtomatskih mehanizmov (OAuth, JWT); Uporaba GIT-a za verzioniranje ter sposobnost načrtovanja arhitekture backend sistemov; Zaželene izkušnje z Docker-jem ter poznavanje IIS-a (konfiguracija, deployment, upravljanje); Zaželeno je tudi razumevanje CI/CD procesov (GitLab CI) ter osnovno poznavanje frontend tehnologij (HTML, CSS, JavaScript, Angular); Komunikativnost, urejenost in natančnost. Fleksibilni delovni čas med 6. in 18. uro; Mentorstvo izkušenega sodelavca za lažji začetek; Stimulativni osebni dogodek in nagrajevanje za delovno uspešnost; Možnost osebnega in profesionalnega razvoja; Moderno urejeno in mirno delovno okolje; Sproščeno ekipo, ki deluje kot prava ekipa; Odlično kavo in zdrave prigrizke vsak dan; Zavedamo se, da so popoldnevi namenjeni družini, prijateljem in hobijem - zato dela ne nosite domov. V kolikor ustrezate razpisanim pogojem, vas vabimo, da se prijavite preko naše spletne strani s klikom na "Prijavi se na delovno mesto".

Za uspešno mednarodno tehnološko podjetje iščemo izkušenega Senior C++ razvijalca, ki se bo pridružil ekipi za razvoj visoko zmogljivih backend rešitev. Delo bo usmerjeno predvsem v razvoj sistemov s področja rudarjenja kriptovalut, ki povezujejo veliko število naprav ter zahtevajo izjemno odzivnost, zanesljivost in učinkovito obdelavo številnih sočasnih povezav. tehnično izobrazbo ali primerljive praktične izkušnje, večletne izkušnje z razvojem v sodobnem C++, zelo dobro poznavanje C++17; poznavanje C++20 predstavlja prednost, dobro poznavanje standardne knjižnice STL, dobro razumevanje računalniških omrežij in protokolov TCP, UDP ter HTTP, izkušnje z večnitnim programiranjem in asinhronimi vhodno-izhodnimi operacijami, izkušnje z razvojem visoko zmogljivih sistemov z nizkimi odzivnimi časi, poznavanje CMake ter orodij za razhroščevanje, profiliranje in odkrivanje napak, izkušnje s testiranjem, pregledovanjem kode, CI-procesi in upoštevanjem razvojnih standardov, izkušnje z delom v agilni razvojni ekipi, zanimanje za računalniška omrežja, večje količine podatkov in kriptovalute. Prednost predstavljajo: izkušnje s Stratum strežniki, protokolom Stratum ali rudarskimi bazeni, poznavanje Boost. Asio ali korutin C++20 za asinhrono omrežno komunikacijo, poznavanje sočasnih in »lock-free« podatkovnih struktur, izkušnje s TLS in varno omrežno komunikacijo, poznavanje metode testiranja »fuzzing«, izkušnje z mikrostoritvami, Dockerjem in Kubernetesom, poznavanje orodij Prometheus in Grafana, izkušnje s področja telekomunikacij, računalniških omrežij ali kriptovalut. izkušnje s Stratum strežniki, protokolom Stratum ali rudarskimi bazeni, poznavanje Boost. Asio ali korutin C++20 za asinhrono omrežno komunikacijo, poznavanje sočasnih in »lock-free« podatkovnih struktur, izkušnje s TLS in varno omrežno komunikacijo, poznavanje metode testiranja »fuzzing«, izkušnje z mikrostoritvami, Dockerjem in Kubernetesom, poznavanje orodij Prometheus in Grafana, izkušnje s področja telekomunikacij, računalniških omrežij ali kriptovalut. Lokacija: Maribor / Hibridno delo

Hi there! Do you enjoy building and evolving complex backend systems that power products used around the world? Are you passionate about clean architecture, scalable solutions, and solving challenging technical problems? Do you enjoy collaborating with experienced engineers while having the freedom to propose improvements and shape the future of a platform? We're looking for a Senior Back-End Developer who will help us continuously improve and maintain our gaming platform, contribute to its long-term architecture, and support the development of new products and technologies. Does this sound like you? Keep reading. We might be a great match! Who are we? At GameArt, we are all about delivering high-quality online video slot games, developing for online casino operators in regulated markets around the world. Our international remote-first team crafts top-tier games with eye-catching graphics, innovative concepts, and cutting-edge tech, tailored to customers' preferences and markets. The key bits: - Location: +2/-2 CET time zone - Work setting: Remote-first - Start date: As soon as possible - Recruitment process: 1st Interview, Task, 2nd Interview, 3rd Interview, Offer - Your profile: An experienced backend engineer with strong Node.js expertise, architectural thinking, and a passion for building scalable, reliable systems. - Your goal: Continuously evolve and strengthen our backend platform by delivering secure, high-quality solutions that support both current products and future growth. - Your role: Design, develop, and maintain core backend services while collaborating across teams to solve complex technical challenges, improve platform architecture, and support new games, integrations, and internal tools. - What we offer to you: A remote-first, full-time role, long-term, growth opportunities, freedom without micromanagement, and a dynamic international team that values fresh ideas, collaboration, and fun gatherings. What you will do: - Designing, developing, and maintaining scalable backend services using Node.js and JavaScript - Contributing to the long-term architecture and continuous evolution of our platform - Working on complex backend systems that have evolved over multiple years and technologies - Supporting the integration of new games, game types, and platform features - Improving platform performance, reliability, scalability, and maintainability - Solving security challenges and helping ensure a secure platform - Performing code reviews and mentoring other developers through constructive feedback - Collaborating closely with game developers, frontend developers, DevOps, QA, Product, Support, Finance, and other teams - Supporting internal stakeholders by developing tools, features, and platform improvements - Troubleshooting production issues and contributing to bug fixing and platform stability - Evaluating and adopting modern engineering practices, including AI-powered development tools where they add value What kind of challenges will you solve: - Platform renewal and long-term platform evolution - Supporting new game mechanics and future game types - Solving security-related challenges - Building features requested by customers and partners - Supporting new integration types for new clients - Designing and developing internal tools and improving existing ones for departments such as Support, Finance - Maintaining a stable, high-performing platform while continuously modernising its architecture Are we a match? - At least 5 years of relevant backend development experience - Strong experience with Node.js and JavaScript - Experience designing scalable backend architectures and distributed systems - Solid understanding of backend application design and software architecture - Experience working with mature production systems and large codebases - Good knowledge of relational and NoSQL databases - Experience with code reviews, technical mentoring, and knowledge sharing - Understanding of security best practices for backend systems Your characteristics: - Resourceful, proactive, communicative - Curious and eager to learn - Creative and willing to challenge existing solutions - Comfortable sharing ideas and participating in technical discussions - A strong team player who enjoys collaborating across departments - Supportive of adopting AI where it genuinely improves engineering quality and efficiency - Comfortable taking ownership and driving improvements What is in IT for you? - Remote-first. Work whenever and wherever you find it best. The choice is yours. - We have offices in Slovenia (Nova Gorica, Ljubljana, Maribor), and Malta (St. Julian's). We'd like to see you come to the office from time to time. - Full time & long-term position. We are in it for the long run, offering an indefinite contract with 6-month probation period. - Enjoy autonomy and direct impact, there is no time for micromanagement. - Friendly, international, and multicultural environment. - Dynamic and fun work. We make games, it's never a dull moment. - We welcome new fresh ideas and different perspectives. - A collaborative and supportive culture focused on quality, innovation, and long-term success. - We like to meet up together at least two times a year, at an annual teambuilding and New Year's party. Ready to join the world of games? If you enjoy designing scalable backend systems, solving complex architectural challenges, and continuously improving platforms that power products used by players around the world, we'd love to hear from you! Fill in the short form here: https://tally.so/r/dWXA6A & we will get in touch with you soon. We are excited to connect with you!

We're building something that doesn't exist yet: an AI immune system for humans. The Umanitek Guardian Agent protects people from deepfakes and digital impersonation by combining intelligence with systems built for verification and scale. If you're excited by the idea of building reliable platforms and backend systems for agents that reason, not just predict, you'll feel right at home. As a Platform Engineer, you'll build and operate the platform powering the Guardian Agent ecosystem. You'll work across backend engineering and infrastructure, building production-ready services while ensuring they can be deployed, monitored, and scaled reliably. Your primary focus will be developing backend services, REST APIs, MCP tooling, and agent runtimes using Node.js and TypeScript. You'll also own key parts of the platform layer: CI/CD pipelines, cloud environments, deployments, observability, and infrastructure automation. This is a hands-on role where ownership and systems thinking matter. You'll help ensure Guardian services are secure, scalable, observable, and easy for the team to evolve. Responsibilities -Build and maintain backend services, REST APIs, MCP servers, and agent tooling using Node.js and TypeScript -Design and operate cloud infrastructure on AWS -Own CI/CD pipelines, deployments, release workflows, and production environments -Build and maintain containerized services using Docker and infrastructure automation tools -Ensure reliability through monitoring, logging, alerting, performance optimization, and security best practices -Troubleshoot production issues across application and infrastructure layers -Collaborate on architecture decisions around AI agents, decentralized systems, and scalable production infrastructure Technical Experience -4+ years of experience in Backend Engineering, Platform Engineering, DevOps, or Infrastructure Engineering -Strong Nest.js, TypeScript and Node.js experience building production backend services -Experience with REST APIs, Express, Nest.js, and microservice architectures -Experience deploying and operating production systems in cloud environments (AWS, DigitalOcean, or GCP) -Strong experience with Docker, CI/CD pipelines, and infrastructure automation concepts -Experience with monitoring, logging, and production troubleshooting -Solid understanding of databases, networking, Linux systems, and security fundamentals Nice to Have -Familiarity with Turborepo and monorepo workflows -Experience with MCP tooling, AI/LLM applications, or agent-based systems -Experience with Docker or advanced container orchestration -Experience with Terraform or infrastructure-as-code workflows -Experience with distributed systems, event-driven architectures, or background workers -Familiarity with decentralized systems or knowledge graph technologies Why Umanitek We're early, lean, and ambitious. You'll work directly with founders and researchers behind OriginTrail and Umanitek, helping build the foundation of AI safety infrastructure used by public institutions, enterprises, and individuals. If that sounds like your kind of hard — come build with us. We offer a market-aligned salary, participation in the employee stock option pool, and clear opportunities to grow into senior and leadership roles as the company scales. Final employer: Umanitek ag Approximate salary: 4000-6000EUR Apply: If interested, please send your CV to [email protected] or apply via our website.

At Celtra, we're leading a creative revolution. In a world where digital content consumption is skyrocketing and audience expectations evolve daily, traditional production models can no longer keep up - and that's where we come in. Our creative solutions help media owners and operators monetize inventory more effectively, bridge the creative supply gap for brands and agencies, and deliver faster, smarter, and more personalized experiences. We're not just keeping up with industry shifts - we're setting the pace. Now, we're looking for a Software Developer Intern who will have an opportunity to work on our products, used by top companies and thousands of people on a daily basis. You will be joining one of our cross-functional teams and, with the support of our mentors, you will get your hands dirty by working on some interesting projects. 1. What tools do we use? On the backend, you can find Scala, NodeJS, PHP, MySQL, Spark, Snowflake, and also MongoDB, Kinesis. On the frontend, we use Vue.js, Typescript and Vanilla JS when needed. Everything runs on the AWS cloud, and the ECS cluster orchestrates it. We also love CI/CD, IaC and do daily deployments to ensure your contributions see the light of day as soon as the QA team is happy. We also actively embrace AI-assisted development with Cursor to boost productivity, iterate on PoCs and explore new ways of building software. 2. Your responsibilities: - Developing frontend and backend of our products that are used by top companies and thousands of people on a daily basis. - On the frontend you will be implementing rich experiences in our apps, participating in revamping the client-side architecture and general redesign of the product frontend. - On the backend you will mainly work on our APIs (REST, web sockets) and family of background jobs. - Making sure we maintain a high level of quality by writing automated tests. 1. Qualifications - Active student status in Slovenia. - Finished undergraduate studies at the Faculty of Arts or pursuing a degree in a design or design-related field (graphic design, fine art, motion graphic, or multimedia). - Good verbal and written English communication skills. - Skills in design software, particularly Photoshop, InDesign, Illustrator, and After Effects or Premiere, Figma. - A drive to produce a well-informed design with pixel-perfect attention to detail. - A portfolio including digital design work (presentations, websites, mobile apps, advertising) and conceptual examples. 2. What brings extra points? - Knowledge of Vue.js. - Knowledge of global state management concepts. Our offer: - A buddy and a mentor that will help you grow professionally, plus a well structured onboarding / professional development plan. - Flexible working hours and hybrid work based on a fixed number of in-office days. - Top-notch working equipment. - Regular team & company events. - Free breakfasts & beverages available in the office. Apply directly here: https://celtra.com/careers/openings/#op-421095-software-developer-intern-